diff --git a/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/Documentation/devicetree/bindings/i2c/i2c-at91.txt
index 96c914e048f5..2015f50aed0f 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-at91.txt
@@ -73,7 +73,7 @@ i2c0: i2c@f8034600 {
 	pinctrl-0 = <&pinctrl_i2c0>;
 	pinctrl-1 = <&pinctrl_i2c0_gpio>;
 	sda-gpios = <&pioA 30 GPIO_ACTIVE_HIGH>;
-	scl-gpios = <&pioA 31 GPIO_ACTIVE_HIGH>;
+	scl-gpios = <&pioA 31 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 
 	wm8731: wm8731@1a {
 		compatible = "wm8731";
diff --git a/Documentation/devicetree/bindings/power/supply/maxim,max17040.yaml b/Documentation/devicetree/bindings/power/supply/maxim,max17040.yaml
index de91cf3f058c..f792d06db413 100644
--- a/Documentation/devicetree/bindings/power/supply/maxim,max17040.yaml
+++ b/Documentation/devicetree/bindings/power/supply/maxim,max17040.yaml
@@ -89,7 +89,7 @@ examples:
         reg = <0x36>;
         maxim,alert-low-soc-level = <10>;
         interrupt-parent = <&gpio7>;
-        interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+        interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
         wakeup-source;
       };
     };
diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 992bf91eeec8..53d396650afb 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -717,10 +717,10 @@ users.
 ===================== ======================== ===================
 User                  F2FS                     Block
 ===================== ======================== ===================
-                      META                     WRITE_LIFE_NOT_SET
-                      HOT_NODE                 "
-                      WARM_NODE                "
-                      COLD_NODE                "
+N/A                   META                     WRITE_LIFE_NOT_SET
+N/A                   HOT_NODE                 "
+N/A                   WARM_NODE                "
+N/A                   COLD_NODE                "
 ioctl(COLD)           COLD_DATA                WRITE_LIFE_EXTREME
 extension list        "                        "
 
@@ -746,10 +746,10 @@ WRITE_LIFE_LONG       "                        WRITE_LIFE_LONG
 ===================== ======================== ===================
 User                  F2FS                     Block
 ===================== ======================== ===================
-                      META                     WRITE_LIFE_MEDIUM;
-                      HOT_NODE                 WRITE_LIFE_NOT_SET
-                      WARM_NODE                "
-                      COLD_NODE                WRITE_LIFE_NONE
+N/A                   META                     WRITE_LIFE_MEDIUM;
+N/A                   HOT_NODE                 WRITE_LIFE_NOT_SET
+N/A                   WARM_NODE                "
+N/A                   COLD_NODE                WRITE_LIFE_NONE
 ioctl(COLD)           COLD_DATA                WRITE_LIFE_EXTREME
 extension list        "                        "
 
diff --git a/Makefile b/Makefile
index 83f4212e004f..3a59a09d93a8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 13
-SUBLEVEL = 3
-EXTRAVERSION =
+SUBLEVEL = 4
+EXTRAVERSION = -rc1
 NAME = Opossums on Parade
 
 # *DOCUMENTATION*
@@ -129,6 +129,11 @@ endif
 $(if $(word 2, $(KBUILD_EXTMOD)), \
 	$(error building multiple external modules is not supported))
 
+# Remove trailing slashes
+ifneq ($(filter %/, $(KBUILD_EXTMOD)),)
+KBUILD_EXTMOD := $(shell dirname $(KBUILD_EXTMOD).)
+endif
+
 export KBUILD_EXTMOD
 
 # Kbuild will save output files in the current working directory.
diff --git a/arch/arm/boot/dts/am335x-cm-t335.dts b/arch/arm/boot/dts/am335x-cm-t335.dts
index 36d963db4026..ec4730c82d39 100644
--- a/arch/arm/boot/dts/am335x-cm-t335.dts
+++ b/arch/arm/boot/dts/am335x-cm-t335.dts
@@ -496,7 +496,7 @@ &spi0 {
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&spi0_pins>;
-	ti,pindir-d0-out-d1-in = <1>;
+	ti,pindir-d0-out-d1-in;
 	/* WLS1271 WiFi */
 	wlcore: wlcore@1 {
 		compatible = "ti,wl1271";
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index f517d1e843cf..8b696107eef8 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -860,7 +860,7 @@ &spi0 {
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&spi0_pins_default>;
 	pinctrl-1 = <&spi0_pins_sleep>;
-	ti,pindir-d0-out-d1-in = <1>;
+	ti,pindir-d0-out-d1-in;
 };
 
 &spi1 {
@@ -868,7 +868,7 @@ &spi1 {
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&spi1_pins_default>;
 	pinctrl-1 = <&spi1_pins_sleep>;
-	ti,pindir-d0-out-d1-in = <1>;
+	ti,pindir-d0-out-d1-in;
 };
 
 &usb2_phy1 {
diff --git a/arch/arm/boot/dts/am5718.dtsi b/arch/arm/boot/dts/am5718.dtsi
index ebf4d3cc1cfb..6d7530a48c73 100644
--- a/arch/arm/boot/dts/am5718.dtsi
+++ b/arch/arm/boot/dts/am5718.dtsi
@@ -17,17 +17,13 @@ / {
  * VCP1, VCP2
  * MLB
  * ISS
- * USB3, USB4
+ * USB3
  */
 
 &usb3_tm {
 	status = "disabled";
 };
 
-&usb4_tm {
-	status = "disabled";
-};
-
 &atl_tm {
 	status = "disabled";
 };
diff --git a/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi b/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi
index 20322de2f8bf..e2fd9610e125 100644
--- a/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi
+++ b/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 &usb {
 	dr_mode = "otg";
-	g-rx-fifo-size = <558>;
+	g-rx-fifo-size = <256>;
 	g-np-tx-fifo-size = <32>;
 	/*
 	 * According to dwc2 the sum of all device EP
diff --git a/arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi b/arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi
index 1409d1b559c1..0ff0e9e25327 100644
--- a/arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi
+++ b/arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 &usb {
 	dr_mode = "peripheral";
-	g-rx-fifo-size = <558>;
+	g-rx-fifo-size = <256>;
 	g-np-tx-fifo-size = <32>;
 	g-tx-fifo-size = <256 256 512 512 512 768 768>;
 };
diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
index 7db72a2f1020..86872e12c355 100644
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -520,27 +520,27 @@ spi@18029200 {
 		      <0x1811b408 0x004>,
 		      <0x180293a0 0x01c>;
 		reg-names = "mspi", "bspi", "intr_regs", "intr_status_reg";
-		interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
+		interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
-			     <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
-		interrupt-names = "spi_lr_fullness_reached",
+			     <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "mspi_done",
+				  "mspi_halted",
+				  "spi_lr_fullness_reached",
 				  "spi_lr_session_aborted",
 				  "spi_lr_impatient",
 				  "spi_lr_session_done",
-				  "spi_lr_overhead",
-				  "mspi_done",
-				  "mspi_halted";
+				  "spi_lr_overread";
 		clocks = <&iprocmed>;
 		clock-names = "iprocmed";
 		num-cs = <2>;
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		spi_nor: spi-nor@0 {
+		spi_nor: flash@0 {
 			compatible = "jedec,spi-nor";
 			reg = <0>;
 			spi-max-frequency = <20000000>;
diff --git a/arch/arm/boot/dts/dra7-l4.dtsi b/arch/arm/boot/dts/dra7-l4.dtsi
index 149144cdff35..648d23f7f748 100644
--- a/arch/arm/boot/dts/dra7-l4.dtsi
+++ b/arch/arm/boot/dts/dra7-l4.dtsi
@@ -4129,28 +4129,6 @@ usb3: usb@10000 {
 			};
 		};
 
-		usb4_tm: target-module@140000 {		/* 0x48940000, ap 75 3c.0 */
-			compatible = "ti,sysc-omap4", "ti,sysc";
-			reg = <0x140000 0x4>,
-			      <0x140010 0x4>;
-			reg-names = "rev", "sysc";
-			ti,sysc-mask = <SYSC_OMAP4_DMADISABLE>;
-			ti,sysc-midle = <SYSC_IDLE_FORCE>,
-					<SYSC_IDLE_NO>,
-					<SYSC_IDLE_SMART>,
-					<SYSC_IDLE_SMART_WKUP>;
-			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
-					<SYSC_IDLE_NO>,
-					<SYSC_IDLE_SMART>,
-					<SYSC_IDLE_SMART_WKUP>;
-			/* Domains (P, C): l3init_pwrdm, l3init_clkdm */
-			clocks = <&l3init_clkctrl DRA7_L3INIT_USB_OTG_SS4_CLKCTRL 0>;
-			clock-names = "fck";
-			#address-cells = <1>;
-			#size-cells = <1>;
-			ranges = <0x0 0x140000 0x20000>;
-		};
-
 		target-module@170000 {			/* 0x48970000, ap 21 0a.0 */
 			compatible = "ti,sysc-omap4", "ti,sysc";
 			reg = <0x170010 0x4>;
diff --git a/arch/arm/boot/dts/dra71x.dtsi b/arch/arm/boot/dts/dra71x.dtsi
index cad0e4a2bd8d..9c270d8f75d5 100644
--- a/arch/arm/boot/dts/dra71x.dtsi
+++ b/arch/arm/boot/dts/dra71x.dtsi
@@ -11,7 +11,3 @@
 &rtctarget {
 	status = "disabled";
 };
-
-&usb4_tm {
-	status = "disabled";
-};
diff --git a/arch/arm/boot/dts/dra72x.dtsi b/arch/arm/boot/dts/dra72x.dtsi
index d403acc754b6..f3e934ef7d3e 100644
--- a/arch/arm/boot/dts/dra72x.dtsi
+++ b/arch/arm/boot/dts/dra72x.dtsi
@@ -108,7 +108,3 @@ &pcie1_ep {
 &pcie2_rc {
 	compatible = "ti,dra726-pcie-rc", "ti,dra7-pcie";
 };
-
-&usb4_tm {
-	status = "disabled";
-};
diff --git a/arch/arm/boot/dts/dra74x.dtsi b/arch/arm/boot/dts/dra74x.dtsi
index e1850d6c841a..b4e07d99ffde 100644
--- a/arch/arm/boot/dts/dra74x.dtsi
+++ b/arch/arm/boot/dts/dra74x.dtsi
@@ -49,49 +49,6 @@ dsp2_system: dsp_system@41500000 {
 			reg = <0x41500000 0x100>;
 		};
 
-		target-module@48940000 {
-			compatible = "ti,sysc-omap4", "ti,sysc";
-			reg = <0x48940000 0x4>,
-			      <0x48940010 0x4>;
-			reg-names = "rev", "sysc";
-			ti,sysc-mask = <SYSC_OMAP4_DMADISABLE>;
-			ti,sysc-midle = <SYSC_IDLE_FORCE>,
-					<SYSC_IDLE_NO>,
-					<SYSC_IDLE_SMART>,
-					<SYSC_IDLE_SMART_WKUP>;
-			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
-					<SYSC_IDLE_NO>,
-					<SYSC_IDLE_SMART>,
-					<SYSC_IDLE_SMART_WKUP>;
-			clocks = <&l3init_clkctrl DRA7_L3INIT_USB_OTG_SS4_CLKCTRL 0>;
-			clock-names = "fck";
-			#address-cells = <1>;
-			#size-cells = <1>;
-			ranges = <0x0 0x48940000 0x20000>;
-
-			omap_dwc3_4: omap_dwc3_4@0 {
-				compatible = "ti,dwc3";
-				reg = <0 0x10000>;
-				interrupts = <GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH>;
-				#address-cells = <1>;
-				#size-cells = <1>;
-				utmi-mode = <2>;
-				ranges;
-				status = "disabled";
-				usb4: usb@10000 {
-					compatible = "snps,dwc3";
-					reg = <0x10000 0x17000>;
-					interrupts = <GIC_SPI 345 IRQ_TYPE_LEVEL_HIGH>,
-						     <GIC_SPI 345 IRQ_TYPE_LEVEL_HIGH>,
-						     <GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH>;
-					interrupt-names = "peripheral",
-							  "host",
-							  "otg";
-					maximum-speed = "high-speed";
-					dr_mode = "otg";
-				};
-			};
-		};
 
 		target-module@41501000 {
 			compatible = "ti,sysc-omap2", "ti,sysc";
@@ -224,3 +181,52 @@ &pcie1_ep {
 &pcie2_rc {
 	compatible = "ti,dra746-pcie-rc", "ti,dra7-pcie";
 };
+
+&l4_per3 {
+	segment@0 {
+		usb4_tm: target-module@140000 {         /* 0x48940000, ap 75 3c.0 */
+			compatible = "ti,sysc-omap4", "ti,sysc";
+			reg = <0x140000 0x4>,
+			      <0x140010 0x4>;
+			reg-names = "rev", "sysc";
+			ti,sysc-mask = <SYSC_OMAP4_DMADISABLE>;
+			ti,sysc-midle = <SYSC_IDLE_FORCE>,
+					<SYSC_IDLE_NO>,
+					<SYSC_IDLE_SMART>,
+					<SYSC_IDLE_SMART_WKUP>;
+			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
+					<SYSC_IDLE_NO>,
+					<SYSC_IDLE_SMART>,
+					<SYSC_IDLE_SMART_WKUP>;
+			/* Domains (P, C): l3init_pwrdm, l3init_clkdm */
+			clocks = <&l3init_clkctrl DRA7_L3INIT_USB_OTG_SS4_CLKCTRL 0>;
+			clock-names = "fck";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0x0 0x140000 0x20000>;
+
+			omap_dwc3_4: omap_dwc3_4@0 {
+				compatible = "ti,dwc3";
+				reg = <0 0x10000>;
+				interrupts = <GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+				utmi-mode = <2>;
+				ranges;
+				status = "disabled";
+				usb4: usb@10000 {
+					compatible = "snps,dwc3";
+					reg = <0x10000 0x17000>;
+					interrupts = <GIC_SPI 345 IRQ_TYPE_LEVEL_HIGH>,
+						     <GIC_SPI 345 IRQ_TYPE_LEVEL_HIGH>,
+						     <GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH>;
+					interrupt-names = "peripheral",
+							  "host",
+							  "otg";
+					maximum-speed = "high-speed";
+					dr_mode = "otg";
+				};
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/exynos5422-odroidhc1.dts b/arch/arm/boot/dts/exynos5422-odroidhc1.dts
index 20c222b33f98..d91f7fa2cf80 100644
--- a/arch/arm/boot/dts/exynos5422-odroidhc1.dts
+++ b/arch/arm/boot/dts/exynos5422-odroidhc1.dts
@@ -22,7 +22,7 @@ led-1 {
 			label = "blue:heartbeat";
 			pwms = <&pwm 2 2000000 0>;
 			pwm-names = "pwm2";
-			max_brightness = <255>;
+			max-brightness = <255>;
 			linux,default-trigger = "heartbeat";
 		};
 	};
diff --git a/arch/arm/boot/dts/exynos5422-odroidxu4.dts b/arch/arm/boot/dts/exynos5422-odroidxu4.dts
index ede782257643..1c24f9b35973 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu4.dts
+++ b/arch/arm/boot/dts/exynos5422-odroidxu4.dts
@@ -24,7 +24,7 @@ led-1 {
 			label = "blue:heartbeat";
 			pwms = <&pwm 2 2000000 0>;
 			pwm-names = "pwm2";
-			max_brightness = <255>;
+			max-brightness = <255>;
 			linux,default-trigger = "heartbeat";
 		};
 	};
diff --git a/arch/arm/boot/dts/exynos54xx-odroidxu-leds.dtsi b/arch/arm/boot/dts/exynos54xx-odroidxu-leds.dtsi
index 2fc3e86dc5f7..982752e1df24 100644
--- a/arch/arm/boot/dts/exynos54xx-odroidxu-leds.dtsi
+++ b/arch/arm/boot/dts/exynos54xx-odroidxu-leds.dtsi
@@ -22,7 +22,7 @@ led-1 {
 			 * Green LED is much brighter than the others
 			 * so limit its max brightness
 			 */
-			max_brightness = <127>;
+			max-brightness = <127>;
 			linux,default-trigger = "mmc0";
 		};
 
@@ -30,7 +30,7 @@ led-2 {
 			label = "blue:heartbeat";
 			pwms = <&pwm 2 2000000 0>;
 			pwm-names = "pwm2";
-			max_brightness = <255>;
+			max-brightness = <255>;
 			linux,default-trigger = "heartbeat";
 		};
 	};
diff --git a/arch/arm/boot/dts/gemini-rut1xx.dts b/arch/arm/boot/dts/gemini-rut1xx.dts
index 9611ddf06792..08091d2a64e1 100644
--- a/arch/arm/boot/dts/gemini-rut1xx.dts
+++ b/arch/arm/boot/dts/gemini-rut1xx.dts
@@ -125,18 +125,6 @@ ethernet-port@1 {
 			};
 		};
 
-		ethernet@60000000 {
-			status = "okay";
-
-			ethernet-port@0 {
-				phy-mode = "rgmii";
-				phy-handle = <&phy0>;
-			};
-			ethernet-port@1 {
-				/* Not used in this platform */
-			};
-		};
-
 		usb@68000000 {
 			status = "okay";
 		};
diff --git a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
index d0768ae429fa..e3de2b487cf4 100644
--- a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
@@ -96,30 +96,40 @@ ethphy0: ethernet-phy@0 {	/* SMSC LAN8710Ai */
 			reg = <0>;
 			max-speed = <100>;
 			reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
-			reset-delay-us = <1000>;
-			reset-post-delay-us = <1000>;
+			reset-assert-us = <1000>;
+			reset-deassert-us = <1000>;
+			smsc,disable-energy-detect; /* Make plugin detection reliable */
 		};
 	};
 };
 
 &i2c1 {
 	clock-frequency = <100000>;
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c1>;
+	pinctrl-1 = <&pinctrl_i2c1_gpio>;
+	scl-gpios = <&gpio3 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio3 28 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 	status = "okay";
 };
 
 &i2c2 {
 	clock-frequency = <100000>;
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c2>;
+	pinctrl-1 = <&pinctrl_i2c2_gpio>;
+	scl-gpios = <&gpio4 12 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio4 13 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 	status = "okay";
 };
 
 &i2c3 {
 	clock-frequency = <100000>;
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c3>;
+	pinctrl-1 = <&pinctrl_i2c3_gpio>;
+	scl-gpios = <&gpio1 3 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio1 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 	status = "okay";
 
 	ltc3676: pmic@3c {
@@ -285,6 +295,13 @@ MX6QDL_PAD_EIM_D28__I2C1_SDA		0x4001b8b1
 		>;
 	};
 
+	pinctrl_i2c1_gpio: i2c1-gpio-grp {
+		fsl,pins = <
+			MX6QDL_PAD_EIM_D21__GPIO3_IO21		0x4001b8b1
+			MX6QDL_PAD_EIM_D28__GPIO3_IO28		0x4001b8b1
+		>;
+	};
+
 	pinctrl_i2c2: i2c2-grp {
 		fsl,pins = <
 			MX6QDL_PAD_KEY_COL3__I2C2_SCL		0x4001b8b1
@@ -292,6 +309,13 @@ MX6QDL_PAD_KEY_ROW3__I2C2_SDA		0x4001b8b1
 		>;
 	};
 
+	pinctrl_i2c2_gpio: i2c2-gpio-grp {
+		fsl,pins = <
+			MX6QDL_PAD_KEY_COL3__GPIO4_IO12		0x4001b8b1
+			MX6QDL_PAD_KEY_ROW3__GPIO4_IO13		0x4001b8b1
+		>;
+	};
+
 	pinctrl_i2c3: i2c3-grp {
 		fsl,pins = <
 			MX6QDL_PAD_GPIO_3__I2C3_SCL		0x4001b8b1
@@ -299,6 +323,13 @@ MX6QDL_PAD_GPIO_6__I2C3_SDA		0x4001b8b1
 		>;
 	};
 
+	pinctrl_i2c3_gpio: i2c3-gpio-grp {
+		fsl,pins = <
+			MX6QDL_PAD_GPIO_3__GPIO1_IO03		0x4001b8b1
+			MX6QDL_PAD_GPIO_6__GPIO1_IO06		0x4001b8b1
+		>;
+	};
+
 	pinctrl_pmic_hw300: pmic-hw300-grp {
 		fsl,pins = <
 			MX6QDL_PAD_EIM_A25__GPIO5_IO02		0x1B0B0
diff --git a/arch/arm/boot/dts/qcom-sdx55-t55.dts b/arch/arm/boot/dts/qcom-sdx55-t55.dts
index ddcd53aa533d..2ffcd085904d 100644
--- a/arch/arm/boot/dts/qcom-sdx55-t55.dts
+++ b/arch/arm/boot/dts/qcom-sdx55-t55.dts
@@ -250,7 +250,7 @@ nand@0 {
 		nand-ecc-step-size = <512>;
 		nand-bus-width = <8>;
 		/* efs2 partition is secured */
-		secure-regions = <0x500000 0xb00000>;
+		secure-regions = /bits/ 64 <0x500000 0xb00000>;
 	};
 };
 
diff --git a/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts b/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
index 3065f84634b8..80c40da79604 100644
--- a/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
+++ b/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
@@ -250,8 +250,8 @@ nand@0 {
 		nand-ecc-step-size = <512>;
 		nand-bus-width = <8>;
 		/* ico and efs2 partitions are secured */
-		secure-regions = <0x500000 0x500000
-				  0xa00000 0xb00000>;
+		secure-regions = /bits/ 64 <0x500000 0x500000
+					    0xa00000 0xb00000>;
 	};
 };
 
diff --git a/arch/arm/boot/dts/r8a7779-marzen.dts b/arch/arm/boot/dts/r8a7779-marzen.dts
index d2240b89ee52..465845323495 100644
--- a/arch/arm/boot/dts/r8a7779-marzen.dts
+++ b/arch/arm/boot/dts/r8a7779-marzen.dts
@@ -145,7 +145,7 @@ &du {
 	status = "okay";
 
 	clocks = <&mstp1_clks R8A7779_CLK_DU>, <&x3_clk>;
-	clock-names = "du", "dclkin.0";
+	clock-names = "du.0", "dclkin.0";
 
 	ports {
 		port@0 {
diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 74d7e9084eab..3c5fcdfe16b8 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -463,6 +463,7 @@ du: display@fff80000 {
 		reg = <0xfff80000 0x40000>;
 		interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp1_clks R8A7779_CLK_DU>;
+		clock-names = "du.0";
 		power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
 		status = "disabled";
 
diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
index 272a1a67a9ad..31d08423a32f 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
@@ -123,7 +123,6 @@ &ethernet0 {
 	max-speed = <100>;
 	phy-handle = <&phy0>;
 	st,eth-ref-clk-sel;
-	phy-reset-gpios = <&gpioh 3 GPIO_ACTIVE_LOW>;
 
 	mdio0 {
 		#address-cells = <1>;
@@ -132,6 +131,13 @@ mdio0 {
 
 		phy0: ethernet-phy@1 {
 			reg = <1>;
+			/* LAN8710Ai */
+			compatible = "ethernet-phy-id0007.c0f0",
+				     "ethernet-phy-ieee802.3-c22";
+			clocks = <&rcc ETHCK_K>;
+			reset-gpios = <&gpioh 3 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <500>;
+			reset-deassert-us = <500>;
 			interrupt-parent = <&gpioi>;
 			interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
 		};
diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
index 97f497854e05..d05fa679dcd3 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
@@ -85,7 +85,7 @@ &emac {
 	pinctrl-0 = <&emac_rgmii_pins>;
 	phy-supply = <&reg_gmac_3v3>;
 	phy-handle = <&ext_rgmii_phy>;
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 
 	status = "okay";
 };
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index 25b01da4771b..8b48326be9fd 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -55,6 +55,7 @@ void __init exynos_sysram_init(void)
 		sysram_base_addr = of_iomap(node, 0);
 		sysram_base_phys = of_translate_address(node,
 					   of_get_address(node, 0, NULL, NULL));
+		of_node_put(node);
 		break;
 	}
 
@@ -62,6 +63,7 @@ void __init exynos_sysram_init(void)
 		if (!of_device_is_available(node))
 			continue;
 		sysram_ns_base_addr = of_iomap(node, 0);
+		of_node_put(node);
 		break;
 	}
 }
diff --git a/arch/arm/probes/kprobes/test-thumb.c b/arch/arm/probes/kprobes/test-thumb.c
index 456c181a7bfe..4e11f0b760f8 100644
--- a/arch/arm/probes/kprobes/test-thumb.c
+++ b/arch/arm/probes/kprobes/test-thumb.c
@@ -441,21 +441,21 @@ void kprobe_thumb32_test_cases(void)
 		"3:	mvn	r0, r0	\n\t"
 		"2:	nop		\n\t")
 
-	TEST_RX("tbh	[pc, r",7, (9f-(1f+4))>>1,"]",
+	TEST_RX("tbh	[pc, r",7, (9f-(1f+4))>>1,", lsl #1]",
 		"9:			\n\t"
 		".short	(2f-1b-4)>>1	\n\t"
 		".short	(3f-1b-4)>>1	\n\t"
 		"3:	mvn	r0, r0	\n\t"
 		"2:	nop		\n\t")
 
-	TEST_RX("tbh	[pc, r",12, ((9f-(1f+4))>>1)+1,"]",
+	TEST_RX("tbh	[pc, r",12, ((9f-(1f+4))>>1)+1,", lsl #1]",
 		"9:			\n\t"
 		".short	(2f-1b-4)>>1	\n\t"
 		".short	(3f-1b-4)>>1	\n\t"
 		"3:	mvn	r0, r0	\n\t"
 		"2:	nop		\n\t")
 
-	TEST_RRX("tbh	[r",1,9f, ", r",14,1,"]",
+	TEST_RRX("tbh	[r",1,9f, ", r",14,1,", lsl #1]",
 		"9:			\n\t"
 		".short	(2f-1b-4)>>1	\n\t"
 		".short	(3f-1b-4)>>1	\n\t"
@@ -468,10 +468,10 @@ void kprobe_thumb32_test_cases(void)
 
 	TEST_UNSUPPORTED("strexb	r0, r1, [r2]")
 	TEST_UNSUPPORTED("strexh	r0, r1, [r2]")
-	TEST_UNSUPPORTED("strexd	r0, r1, [r2]")
+	TEST_UNSUPPORTED("strexd	r0, r1, r2, [r2]")
 	TEST_UNSUPPORTED("ldrexb	r0, [r1]")
 	TEST_UNSUPPORTED("ldrexh	r0, [r1]")
-	TEST_UNSUPPORTED("ldrexd	r0, [r1]")
+	TEST_UNSUPPORTED("ldrexd	r0, r1, [r1]")
 
 	TEST_GROUP("Data-processing (shifted register) and (modified immediate)")
 
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
index e22b94c83647..5e66ce1a334f 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
@@ -79,7 +79,7 @@ &ehci1 {
 &emac {
 	pinctrl-names = "default";
 	pinctrl-0 = <&rgmii_pins>;
-	phy-mode = "rgmii-id";
+	phy-mode = "rgmii-txid";
 	phy-handle = <&ext_rgmii_phy>;
 	phy-supply = <&reg_dc1sw>;
 	status = "okay";
diff --git a/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts b/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts
index baa55643b40f..ffe1a9bd8f70 100644
--- a/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts
+++ b/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts
@@ -32,3 +32,7 @@ serial@f991e000 {
 		};
 	};
 };
+
+&tlmm {
+	gpio-reserved-ranges = <85 4>;
+};
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
index 24d293ef56d7..74d15789ce9a 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
@@ -655,6 +655,8 @@ sn65dsi86_bridge: bridge@2d {
 		clocks = <&rpmhcc RPMH_LN_BB_CLK3>;
 		clock-names = "refclk";
 
+		no-hpd;
+
 		ports {
 			#address-cells = <1>;
 			#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 6228ba2d8513..b82014eac56b 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -2754,8 +2754,8 @@ usb_1_hsphy: phy@88e3000 {
 		usb_1_qmpphy: phy-wrapper@88e9000 {
 			compatible = "qcom,sc7180-qmp-usb3-dp-phy";
 			reg = <0 0x088e9000 0 0x18c>,
-			      <0 0x088e8000 0 0x38>,
-			      <0 0x088ea000 0 0x40>;
+			      <0 0x088e8000 0 0x3c>,
+			      <0 0x088ea000 0 0x18c>;
 			status = "disabled";
 			#address-cells = <2>;
 			#size-cells = <2>;
diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
index 8f617f7b6d34..f712771df0c7 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
@@ -46,6 +46,14 @@ vol-up {
 	};
 
 	reserved-memory {
+		/* The rmtfs_mem needs to be guarded due to "XPU limitations"
+		 * it is otherwise possible for an allocation adjacent to the
+		 * rmtfs_mem region to trigger an XPU violation, causing a crash.
+		 */
+		rmtfs_lower_guard: memory@f5b00000 {
+			no-map;
+			reg = <0 0xf5b00000 0 0x1000>;
+		};
 		/*
 		 * The rmtfs memory region in downstream is 'dynamically allocated'
 		 * but given the same address every time. Hard code it as this address is
@@ -59,6 +67,10 @@ rmtfs_mem: memory@f5b01000 {
 			qcom,client-id = <1>;
 			qcom,vmid = <15>;
 		};
+		rmtfs_upper_guard: memory@f5d01000 {
+			no-map;
+			reg = <0 0xf5d01000 0 0x2000>;
+		};
 
 		/*
 		 * It seems like reserving the old rmtfs_mem region is also needed to prevent
diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
index 140db2d5ba31..c2a709a384e9 100644
--- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
+++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
@@ -376,6 +376,8 @@ sn65dsi86: bridge@2c {
 		clocks = <&sn65dsi86_refclk>;
 		clock-names = "refclk";
 
+		no-hpd;
+
 		ports {
 			#address-cells = <1>;
 			#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
index 46f8dbf68904..95d9262d4f8a 100644
--- a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
@@ -76,6 +76,7 @@ opp-1500000000 {
 			opp-hz = /bits/ 64 <1500000000>;
 			opp-microvolt = <820000>;
 			clock-latency-ns = <300000>;
+			opp-suspend;
 		};
 	};
 
diff --git a/arch/arm64/boot/dts/renesas/r8a77960.dtsi b/arch/arm64/boot/dts/renesas/r8a77960.dtsi
index 12476e354d74..a91a42c57484 100644
--- a/arch/arm64/boot/dts/renesas/r8a77960.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77960.dtsi
@@ -63,18 +63,19 @@ cluster0_opp: opp_table0 {
 
 		opp-500000000 {
 			opp-hz = /bits/ 64 <500000000>;
-			opp-microvolt = <820000>;
+			opp-microvolt = <830000>;
 			clock-latency-ns = <300000>;
 		};
 		opp-1000000000 {
 			opp-hz = /bits/ 64 <1000000000>;
-			opp-microvolt = <820000>;
+			opp-microvolt = <830000>;
 			clock-latency-ns = <300000>;
 		};
 		opp-1500000000 {
 			opp-hz = /bits/ 64 <1500000000>;
-			opp-microvolt = <820000>;
+			opp-microvolt = <830000>;
 			clock-latency-ns = <300000>;
+			opp-suspend;
 		};
 		opp-1600000000 {
 			opp-hz = /bits/ 64 <1600000000>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77961.dtsi b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
index d9804768425a..7f9d5c360522 100644
--- a/arch/arm64/boot/dts/renesas/r8a77961.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
@@ -52,18 +52,19 @@ cluster0_opp: opp_table0 {
 
 		opp-500000000 {
 			opp-hz = /bits/ 64 <500000000>;
-			opp-microvolt = <820000>;
+			opp-microvolt = <830000>;
 			clock-latency-ns = <300000>;
 		};
 		opp-1000000000 {
 			opp-hz = /bits/ 64 <1000000000>;
-			opp-microvolt = <820000>;
+			opp-microvolt = <830000>;
 			clock-latency-ns = <300000>;
 		};
 		opp-1500000000 {
 			opp-hz = /bits/ 64 <1500000000>;
-			opp-microvolt = <820000>;
+			opp-microvolt = <830000>;
 			clock-latency-ns = <300000>;
+			opp-suspend;
 		};
 		opp-1600000000 {
 			opp-hz = /bits/ 64 <1600000000>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts b/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
index 7417cf5fea0f..2426e533128c 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
@@ -59,7 +59,7 @@ thc63lvd1024_out: endpoint {
 	memory@48000000 {
 		device_type = "memory";
 		/* first 128MB is reserved for secure area. */
-		reg = <0x0 0x48000000 0x0 0x38000000>;
+		reg = <0x0 0x48000000 0x0 0x78000000>;
 	};
 
 	osc5_clk: osc5-clock {
diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
index 70b3604e56cd..9a7d1aca4998 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
@@ -1096,7 +1096,6 @@ gic: interrupt-controller@f1000000 {
 			      <0x0 0xf1060000 0 0x110000>;
 			interrupts = <GIC_PPI 9
 				      (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_HIGH)>;
-			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
 		};
 
 		fcpvd0: fcp@fea10000 {
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts b/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts
index c7e31efdd2e1..c02059c0a954 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dts
@@ -177,8 +177,6 @@ rtl8211e: ethernet-phy@1 {
 };
 
 &gmac2phy {
-	pinctrl-names = "default";
-	pinctrl-0 = <&fephyled_linkm1>, <&fephyled_rxm1>;
 	status = "okay";
 };
 
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
index fa5809887643..cef4d18b599d 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
@@ -33,7 +33,7 @@ lan_led: led-lan {
 
 		sys_led: led-sys {
 			gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
-			label = "red:sys";
+			label = "red:power";
 			default-state = "on";
 		};
 
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
index c172f5a803e7..8b27ee4be755 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
@@ -389,6 +389,7 @@ regulator-state-mem {
 
 			vcc_sdio: LDO_REG4 {
 				regulator-name = "vcc_sdio";
+				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <3000000>;
@@ -493,6 +494,8 @@ vdd_gpu: regulator@41 {
 		regulator-min-microvolt = <712500>;
 		regulator-max-microvolt = <1500000>;
 		regulator-ramp-delay = <1000>;
+		regulator-always-on;
+		regulator-boot-on;
 		vin-supply = <&vcc3v3_sys>;
 
 		regulator-state-mem {
diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
index ca59d1f711f8..bcbf436a96b5 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
@@ -489,7 +489,8 @@ cpsw_port1: port@1 {
 				ti,mac-only;
 				label = "port1";
 				phys = <&phy_gmii_sel 1>;
-				mac-address = [00 00 de ad be ef];
+				mac-address = [00 00 00 00 00 00];
+				ti,syscon-efuse = <&main_conf 0x200>;
 			};
 
 			cpsw_port2: port@2 {
@@ -497,7 +498,7 @@ cpsw_port2: port@2 {
 				ti,mac-only;
 				label = "port2";
 				phys = <&phy_gmii_sel 2>;
-				mac-address = [00 01 de ad be ef];
+				mac-address = [00 00 00 00 00 00];
 			};
 		};
 
diff --git a/arch/arm64/boot/dts/ti/k3-am64-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am64-mcu.dtsi
index deb19ae5e168..eaf7edb2ef4d 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-mcu.dtsi
@@ -87,7 +87,7 @@ mcu_gpio_intr: interrupt-controller@4210000 {
 	};
 
 	mcu_gpio0: gpio@4201000 {
-		compatible = "ti,am64-gpio", "keystone-gpio";
+		compatible = "ti,am64-gpio", "ti,keystone-gpio";
 		reg = <0x0 0x4201000 0x0 0x100>;
 		gpio-controller;
 		#gpio-cells = <2>;
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index dad0efa961ed..2fd0de905e61 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -334,7 +334,7 @@ &mcu_spi1 {
 &main_spi0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&main_spi0_pins_default>;
-	ti,pindir-d0-out-d1-in = <1>;
+	ti,pindir-d0-out-d1-in;
 	eeprom@0 {
 		compatible = "microchip,93lc46b";
 		reg = <0>;
diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
index de763ca9251c..d9a7e2689b93 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi
@@ -575,7 +575,7 @@ &mcu_spi0 {
 
 	#address-cells = <1>;
 	#size-cells= <0>;
-	ti,pindir-d0-out-d1-in = <1>;
+	ti,pindir-d0-out-d1-in;
 };
 
 &tscadc0 {
diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index eddb2ffb93ca..1b947e2c2e74 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -299,7 +299,7 @@ &main_spi0 {
 	pinctrl-0 = <&main_spi0_pins_default>;
 	#address-cells = <1>;
 	#size-cells= <0>;
-	ti,pindir-d0-out-d1-in = <1>;
+	ti,pindir-d0-out-d1-in;
 
 	flash@0{
 		compatible = "jedec,spi-nor";
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
index 19fea8adbcff..a4b4b17a6ad7 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
@@ -683,6 +683,7 @@ usb0: usb@6000000 {
 					  "otg";
 			maximum-speed = "super-speed";
 			dr_mode = "otg";
+			cdns,phyrst-a-enable;
 		};
 	};
 
@@ -696,7 +697,6 @@ main_gpio0: gpio@600000 {
 			     <149>;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		#address-cells = <0>;
 		ti,ngpio = <69>;
 		ti,davinci-gpio-unbanked = <0>;
 		power-domains = <&k3_pds 105 TI_SCI_PD_EXCLUSIVE>;
@@ -714,7 +714,6 @@ main_gpio2: gpio@610000 {
 			     <158>;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		#address-cells = <0>;
 		ti,ngpio = <69>;
 		ti,davinci-gpio-unbanked = <0>;
 		power-domains = <&k3_pds 107 TI_SCI_PD_EXCLUSIVE>;
@@ -732,7 +731,6 @@ main_gpio4: gpio@620000 {
 			     <167>;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		#address-cells = <0>;
 		ti,ngpio = <69>;
 		ti,davinci-gpio-unbanked = <0>;
 		power-domains = <&k3_pds 109 TI_SCI_PD_EXCLUSIVE>;
@@ -750,7 +748,6 @@ main_gpio6: gpio@630000 {
 			     <176>;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		#address-cells = <0>;
 		ti,ngpio = <69>;
 		ti,davinci-gpio-unbanked = <0>;
 		power-domains = <&k3_pds 111 TI_SCI_PD_EXCLUSIVE>;
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
index 5663fe3ea466..343449af53fb 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
@@ -117,7 +117,6 @@ wkup_gpio0: gpio@42110000 {
 		interrupts = <103>, <104>, <105>, <106>, <107>, <108>;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		#address-cells = <0>;
 		ti,ngpio = <85>;
 		ti,davinci-gpio-unbanked = <0>;
 		power-domains = <&k3_pds 113 TI_SCI_PD_EXCLUSIVE>;
@@ -134,7 +133,6 @@ wkup_gpio1: gpio@42100000 {
 		interrupts = <112>, <113>, <114>, <115>, <116>, <117>;
 		interrupt-controller;
 		#interrupt-cells = <2>;
-		#address-cells = <0>;
 		ti,ngpio = <85>;
 		ti,davinci-gpio-unbanked = <0>;
 		power-domains = <&k3_pds 114 TI_SCI_PD_EXCLUSIVE>;
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index 60764366e22b..ffccbc53f1e7 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -9,6 +9,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/net/ti-dp83867.h>
+#include <dt-bindings/phy/phy-cadence.h>
 
 / {
 	chosen {
@@ -358,7 +359,7 @@ &serdes_wiz3 {
 };
 
 &serdes3 {
-	serdes3_usb_link: link@0 {
+	serdes3_usb_link: phy@0 {
 		reg = <0>;
 		cdns,num-lanes = <2>;
 		#phy-cells = <0>;
@@ -635,8 +636,45 @@ &mcasp11 {
 	status = "disabled";
 };
 
+&cmn_refclk1 {
+	clock-frequency = <100000000>;
+};
+
+&wiz0_pll1_refclk {
+	assigned-clocks = <&wiz0_pll1_refclk>;
+	assigned-clock-parents = <&cmn_refclk1>;
+};
+
+&wiz0_refclk_dig {
+	assigned-clocks = <&wiz0_refclk_dig>;
+	assigned-clock-parents = <&cmn_refclk1>;
+};
+
+&wiz1_pll1_refclk {
+	assigned-clocks = <&wiz1_pll1_refclk>;
+	assigned-clock-parents = <&cmn_refclk1>;
+};
+
+&wiz1_refclk_dig {
+	assigned-clocks = <&wiz1_refclk_dig>;
+	assigned-clock-parents = <&cmn_refclk1>;
+};
+
+&wiz2_pll1_refclk {
+	assigned-clocks = <&wiz2_pll1_refclk>;
+	assigned-clock-parents = <&cmn_refclk1>;
+};
+
+&wiz2_refclk_dig {
+	assigned-clocks = <&wiz2_refclk_dig>;
+	assigned-clock-parents = <&cmn_refclk1>;
+};
+
 &serdes0 {
-	serdes0_pcie_link: link@0 {
+	assigned-clocks = <&serdes0 CDNS_SIERRA_PLL_CMNLC>;
+	assigned-clock-parents = <&wiz0_pll1_refclk>;
+
+	serdes0_pcie_link: phy@0 {
 		reg = <0>;
 		cdns,num-lanes = <1>;
 		#phy-cells = <0>;
@@ -646,7 +684,10 @@ serdes0_pcie_link: link@0 {
 };
 
 &serdes1 {
-	serdes1_pcie_link: link@0 {
+	assigned-clocks = <&serdes1 CDNS_SIERRA_PLL_CMNLC>;
+	assigned-clock-parents = <&wiz1_pll1_refclk>;
+
+	serdes1_pcie_link: phy@0 {
 		reg = <0>;
 		cdns,num-lanes = <2>;
 		#phy-cells = <0>;
@@ -656,7 +697,10 @@ serdes1_pcie_link: link@0 {
 };
 
 &serdes2 {
-	serdes2_pcie_link: link@0 {
+	assigned-clocks = <&serdes2 CDNS_SIERRA_PLL_CMNLC>;
+	assigned-clock-parents = <&wiz2_pll1_refclk>;
+
+	serdes2_pcie_link: phy@0 {
 		reg = <0>;
 		cdns,num-lanes = <2>;
 		#phy-cells = <0>;
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
index 3bcafe4c1742..9ce4afd6da62 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
@@ -8,6 +8,20 @@
 #include <dt-bindings/mux/mux.h>
 #include <dt-bindings/mux/ti-serdes.h>
 
+/ {
+	cmn_refclk: clock-cmnrefclk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <0>;
+	};
+
+	cmn_refclk1: clock-cmnrefclk1 {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <0>;
+	};
+};
+
 &cbass_main {
 	msmc_ram: sram@70000000 {
 		compatible = "mmio-sram";
@@ -338,24 +352,12 @@ main_pmx0: pinctrl@11c000 {
 		pinctrl-single,function-mask = <0xffffffff>;
 	};
 
-	dummy_cmn_refclk: dummy-cmn-refclk {
-		#clock-cells = <0>;
-		compatible = "fixed-clock";
-		clock-frequency = <100000000>;
-	};
-
-	dummy_cmn_refclk1: dummy-cmn-refclk1 {
-		#clock-cells = <0>;
-		compatible = "fixed-clock";
-		clock-frequency = <100000000>;
-	};
-
 	serdes_wiz0: wiz@5000000 {
 		compatible = "ti,j721e-wiz-16g";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		power-domains = <&k3_pds 292 TI_SCI_PD_EXCLUSIVE>;
-		clocks = <&k3_clks 292 5>, <&k3_clks 292 11>, <&dummy_cmn_refclk>;
+		clocks = <&k3_clks 292 5>, <&k3_clks 292 11>, <&cmn_refclk>;
 		clock-names = "fck", "core_ref_clk", "ext_ref_clk";
 		assigned-clocks = <&k3_clks 292 11>, <&k3_clks 292 0>;
 		assigned-clock-parents = <&k3_clks 292 15>, <&k3_clks 292 4>;
@@ -364,21 +366,21 @@ serdes_wiz0: wiz@5000000 {
 		ranges = <0x5000000 0x0 0x5000000 0x10000>;
 
 		wiz0_pll0_refclk: pll0-refclk {
-			clocks = <&k3_clks 292 11>, <&dummy_cmn_refclk>;
+			clocks = <&k3_clks 292 11>, <&cmn_refclk>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz0_pll0_refclk>;
 			assigned-clock-parents = <&k3_clks 292 11>;
 		};
 
 		wiz0_pll1_refclk: pll1-refclk {
-			clocks = <&k3_clks 292 0>, <&dummy_cmn_refclk1>;
+			clocks = <&k3_clks 292 0>, <&cmn_refclk1>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz0_pll1_refclk>;
 			assigned-clock-parents = <&k3_clks 292 0>;
 		};
 
 		wiz0_refclk_dig: refclk-dig {
-			clocks = <&k3_clks 292 11>, <&k3_clks 292 0>, <&dummy_cmn_refclk>, <&dummy_cmn_refclk1>;
+			clocks = <&k3_clks 292 11>, <&k3_clks 292 0>, <&cmn_refclk>, <&cmn_refclk1>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz0_refclk_dig>;
 			assigned-clock-parents = <&k3_clks 292 11>;
@@ -412,7 +414,7 @@ serdes_wiz1: wiz@5010000 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		power-domains = <&k3_pds 293 TI_SCI_PD_EXCLUSIVE>;
-		clocks = <&k3_clks 293 5>, <&k3_clks 293 13>, <&dummy_cmn_refclk>;
+		clocks = <&k3_clks 293 5>, <&k3_clks 293 13>, <&cmn_refclk>;
 		clock-names = "fck", "core_ref_clk", "ext_ref_clk";
 		assigned-clocks = <&k3_clks 293 13>, <&k3_clks 293 0>;
 		assigned-clock-parents = <&k3_clks 293 17>, <&k3_clks 293 4>;
@@ -421,21 +423,21 @@ serdes_wiz1: wiz@5010000 {
 		ranges = <0x5010000 0x0 0x5010000 0x10000>;
 
 		wiz1_pll0_refclk: pll0-refclk {
-			clocks = <&k3_clks 293 13>, <&dummy_cmn_refclk>;
+			clocks = <&k3_clks 293 13>, <&cmn_refclk>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz1_pll0_refclk>;
 			assigned-clock-parents = <&k3_clks 293 13>;
 		};
 
 		wiz1_pll1_refclk: pll1-refclk {
-			clocks = <&k3_clks 293 0>, <&dummy_cmn_refclk1>;
+			clocks = <&k3_clks 293 0>, <&cmn_refclk1>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz1_pll1_refclk>;
 			assigned-clock-parents = <&k3_clks 293 0>;
 		};
 
 		wiz1_refclk_dig: refclk-dig {
-			clocks = <&k3_clks 293 13>, <&k3_clks 293 0>, <&dummy_cmn_refclk>, <&dummy_cmn_refclk1>;
+			clocks = <&k3_clks 293 13>, <&k3_clks 293 0>, <&cmn_refclk>, <&cmn_refclk1>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz1_refclk_dig>;
 			assigned-clock-parents = <&k3_clks 293 13>;
@@ -469,7 +471,7 @@ serdes_wiz2: wiz@5020000 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		power-domains = <&k3_pds 294 TI_SCI_PD_EXCLUSIVE>;
-		clocks = <&k3_clks 294 5>, <&k3_clks 294 11>, <&dummy_cmn_refclk>;
+		clocks = <&k3_clks 294 5>, <&k3_clks 294 11>, <&cmn_refclk>;
 		clock-names = "fck", "core_ref_clk", "ext_ref_clk";
 		assigned-clocks = <&k3_clks 294 11>, <&k3_clks 294 0>;
 		assigned-clock-parents = <&k3_clks 294 15>, <&k3_clks 294 4>;
@@ -478,21 +480,21 @@ serdes_wiz2: wiz@5020000 {
 		ranges = <0x5020000 0x0 0x5020000 0x10000>;
 
 		wiz2_pll0_refclk: pll0-refclk {
-			clocks = <&k3_clks 294 11>, <&dummy_cmn_refclk>;
+			clocks = <&k3_clks 294 11>, <&cmn_refclk>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz2_pll0_refclk>;
 			assigned-clock-parents = <&k3_clks 294 11>;
 		};
 
 		wiz2_pll1_refclk: pll1-refclk {
-			clocks = <&k3_clks 294 0>, <&dummy_cmn_refclk1>;
+			clocks = <&k3_clks 294 0>, <&cmn_refclk1>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz2_pll1_refclk>;
 			assigned-clock-parents = <&k3_clks 294 0>;
 		};
 
 		wiz2_refclk_dig: refclk-dig {
-			clocks = <&k3_clks 294 11>, <&k3_clks 294 0>, <&dummy_cmn_refclk>, <&dummy_cmn_refclk1>;
+			clocks = <&k3_clks 294 11>, <&k3_clks 294 0>, <&cmn_refclk>, <&cmn_refclk1>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz2_refclk_dig>;
 			assigned-clock-parents = <&k3_clks 294 11>;
@@ -526,7 +528,7 @@ serdes_wiz3: wiz@5030000 {
 		#address-cells = <1>;
 		#size-cells = <1>;
 		power-domains = <&k3_pds 295 TI_SCI_PD_EXCLUSIVE>;
-		clocks = <&k3_clks 295 5>, <&k3_clks 295 9>, <&dummy_cmn_refclk>;
+		clocks = <&k3_clks 295 5>, <&k3_clks 295 9>, <&cmn_refclk>;
 		clock-names = "fck", "core_ref_clk", "ext_ref_clk";
 		assigned-clocks = <&k3_clks 295 9>, <&k3_clks 295 0>;
 		assigned-clock-parents = <&k3_clks 295 13>, <&k3_clks 295 4>;
@@ -535,21 +537,21 @@ serdes_wiz3: wiz@5030000 {
 		ranges = <0x5030000 0x0 0x5030000 0x10000>;
 
 		wiz3_pll0_refclk: pll0-refclk {
-			clocks = <&k3_clks 295 9>, <&dummy_cmn_refclk>;
+			clocks = <&k3_clks 295 9>, <&cmn_refclk>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz3_pll0_refclk>;
 			assigned-clock-parents = <&k3_clks 295 9>;
 		};
 
 		wiz3_pll1_refclk: pll1-refclk {
-			clocks = <&k3_clks 295 0>, <&dummy_cmn_refclk1>;
+			clocks = <&k3_clks 295 0>, <&cmn_refclk1>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz3_pll1_refclk>;
 			assigned-clock-parents = <&k3_clks 295 0>;
 		};
 
 		wiz3_refclk_dig: refclk-dig {
-			clocks = <&k3_clks 295 9>, <&k3_clks 295 0>, <&dummy_cmn_refclk>, <&dummy_cmn_refclk1>;
+			clocks = <&k3_clks 295 9>, <&k3_clks 295 0>, <&cmn_refclk>, <&cmn_refclk1>;
 			#clock-cells = <0>;
 			assigned-clocks = <&wiz3_refclk_dig>;
 			assigned-clock-parents = <&k3_clks 295 9>;
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 08c6f769df9a..9907a431db0d 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -491,7 +491,6 @@ CONFIG_SPI_S3C64XX=y
 CONFIG_SPI_SH_MSIOF=m
 CONFIG_SPI_SUN6I=y
 CONFIG_SPI_SPIDEV=m
-CONFIG_MTK_PMIC_WRAP=m
 CONFIG_SPMI=y
 CONFIG_PINCTRL_SINGLE=y
 CONFIG_PINCTRL_MAX77620=y
diff --git a/arch/arm64/lib/copy_from_user.S b/arch/arm64/lib/copy_from_user.S
index 95cd62d67371..2cf999e41d30 100644
--- a/arch/arm64/lib/copy_from_user.S
+++ b/arch/arm64/lib/copy_from_user.S
@@ -29,7 +29,7 @@
 	.endm
 
 	.macro ldrh1 reg, ptr, val
-	user_ldst 9998f, ldtrh, \reg, \ptr, \val
+	user_ldst 9997f, ldtrh, \reg, \ptr, \val
 	.endm
 
 	.macro strh1 reg, ptr, val
@@ -37,7 +37,7 @@
 	.endm
 
 	.macro ldr1 reg, ptr, val
-	user_ldst 9998f, ldtr, \reg, \ptr, \val
+	user_ldst 9997f, ldtr, \reg, \ptr, \val
 	.endm
 
 	.macro str1 reg, ptr, val
@@ -45,7 +45,7 @@
 	.endm
 
 	.macro ldp1 reg1, reg2, ptr, val
-	user_ldp 9998f, \reg1, \reg2, \ptr, \val
+	user_ldp 9997f, \reg1, \reg2, \ptr, \val
 	.endm
 
 	.macro stp1 reg1, reg2, ptr, val
@@ -53,8 +53,10 @@
 	.endm
 
 end	.req	x5
+srcin	.req	x15
 SYM_FUNC_START(__arch_copy_from_user)
 	add	end, x0, x2
+	mov	srcin, x1
 #include "copy_template.S"
 	mov	x0, #0				// Nothing to copy
 	ret
@@ -63,6 +65,11 @@ EXPORT_SYMBOL(__arch_copy_from_user)
 
 	.section .fixup,"ax"
 	.align	2
+9997:	cmp	dst, dstin
+	b.ne	9998f
+	// Before being absolutely sure we couldn't copy anything, try harder
+USER(9998f, ldtrb tmp1w, [srcin])
+	strb	tmp1w, [dst], #1
 9998:	sub	x0, end, dst			// bytes not copied
 	ret
 	.previous
diff --git a/arch/arm64/lib/copy_in_user.S b/arch/arm64/lib/copy_in_user.S
index 1f61cd0df062..dbea3799c3ef 100644
--- a/arch/arm64/lib/copy_in_user.S
+++ b/arch/arm64/lib/copy_in_user.S
@@ -30,33 +30,34 @@
 	.endm
 
 	.macro ldrh1 reg, ptr, val
-	user_ldst 9998f, ldtrh, \reg, \ptr, \val
+	user_ldst 9997f, ldtrh, \reg, \ptr, \val
 	.endm
 
 	.macro strh1 reg, ptr, val
-	user_ldst 9998f, sttrh, \reg, \ptr, \val
+	user_ldst 9997f, sttrh, \reg, \ptr, \val
 	.endm
 
 	.macro ldr1 reg, ptr, val
-	user_ldst 9998f, ldtr, \reg, \ptr, \val
+	user_ldst 9997f, ldtr, \reg, \ptr, \val
 	.endm
 
 	.macro str1 reg, ptr, val
-	user_ldst 9998f, sttr, \reg, \ptr, \val
+	user_ldst 9997f, sttr, \reg, \ptr, \val
 	.endm
 
 	.macro ldp1 reg1, reg2, ptr, val
-	user_ldp 9998f, \reg1, \reg2, \ptr, \val
+	user_ldp 9997f, \reg1, \reg2, \ptr, \val
 	.endm
 
 	.macro stp1 reg1, reg2, ptr, val
-	user_stp 9998f, \reg1, \reg2, \ptr, \val
+	user_stp 9997f, \reg1, \reg2, \ptr, \val
 	.endm
 
 end	.req	x5
-
+srcin	.req	x15
 SYM_FUNC_START(__arch_copy_in_user)
 	add	end, x0, x2
+	mov	srcin, x1
 #include "copy_template.S"
 	mov	x0, #0
 	ret
@@ -65,6 +66,12 @@ EXPORT_SYMBOL(__arch_copy_in_user)
 
 	.section .fixup,"ax"
 	.align	2
+9997:	cmp	dst, dstin
+	b.ne	9998f
+	// Before being absolutely sure we couldn't copy anything, try harder
+USER(9998f, ldtrb tmp1w, [srcin])
+USER(9998f, sttrb tmp1w, [dst])
+	add	dst, dst, #1
 9998:	sub	x0, end, dst			// bytes not copied
 	ret
 	.previous
diff --git a/arch/arm64/lib/copy_to_user.S b/arch/arm64/lib/copy_to_user.S
index 043da90f5dd7..9f380eecf653 100644
--- a/arch/arm64/lib/copy_to_user.S
+++ b/arch/arm64/lib/copy_to_user.S
@@ -32,7 +32,7 @@
 	.endm
 
 	.macro strh1 reg, ptr, val
-	user_ldst 9998f, sttrh, \reg, \ptr, \val
+	user_ldst 9997f, sttrh, \reg, \ptr, \val
 	.endm
 
 	.macro ldr1 reg, ptr, val
@@ -40,7 +40,7 @@
 	.endm
 
 	.macro str1 reg, ptr, val
-	user_ldst 9998f, sttr, \reg, \ptr, \val
+	user_ldst 9997f, sttr, \reg, \ptr, \val
 	.endm
 
 	.macro ldp1 reg1, reg2, ptr, val
@@ -48,12 +48,14 @@
 	.endm
 
 	.macro stp1 reg1, reg2, ptr, val
-	user_stp 9998f, \reg1, \reg2, \ptr, \val
+	user_stp 9997f, \reg1, \reg2, \ptr, \val
 	.endm
 
 end	.req	x5
+srcin	.req	x15
 SYM_FUNC_START(__arch_copy_to_user)
 	add	end, x0, x2
+	mov	srcin, x1
 #include "copy_template.S"
 	mov	x0, #0
 	ret
@@ -62,6 +64,12 @@ EXPORT_SYMBOL(__arch_copy_to_user)
 
 	.section .fixup,"ax"
 	.align	2
+9997:	cmp	dst, dstin
+	b.ne	9998f
+	// Before being absolutely sure we couldn't copy anything, try harder
+	ldrb	tmp1w, [srcin]
+USER(9998f, sttrb tmp1w, [dst])
+	add	dst, dst, #1
 9998:	sub	x0, end, dst			// bytes not copied
 	ret
 	.previous
diff --git a/arch/hexagon/kernel/vmlinux.lds.S b/arch/hexagon/kernel/vmlinux.lds.S
index 35b18e55eae8..57465bff1fe4 100644
--- a/arch/hexagon/kernel/vmlinux.lds.S
+++ b/arch/hexagon/kernel/vmlinux.lds.S
@@ -38,6 +38,8 @@ SECTIONS
 	.text : AT(ADDR(.text)) {
 		_text = .;
 		TEXT_TEXT
+		IRQENTRY_TEXT
+		SOFTIRQENTRY_TEXT
 		SCHED_TEXT
 		CPUIDLE_TEXT
 		LOCK_TEXT
@@ -59,14 +61,9 @@ SECTIONS
 
 	_end = .;
 
-	/DISCARD/ : {
-		EXIT_TEXT
-		EXIT_DATA
-		EXIT_CALL
-	}
-
 	STABS_DEBUG
 	DWARF_DEBUG
 	ELF_DETAILS
 
+	DISCARDS
 }
diff --git a/arch/m68k/68000/dragen2.c b/arch/m68k/68000/dragen2.c
index 584893c57c37..62f10a9e1ab7 100644
--- a/arch/m68k/68000/dragen2.c
+++ b/arch/m68k/68000/dragen2.c
@@ -11,6 +11,7 @@
 #include <linux/init.h>
 #include <asm/machdep.h>
 #include <asm/MC68VZ328.h>
+#include "screen.h"
 
 /***************************************************************************/
 /*                        Init Drangon Engine hardware                     */
diff --git a/arch/m68k/68000/screen.h b/arch/m68k/68000/screen.h
new file mode 100644
index 000000000000..2089bdf02688
--- /dev/null
+++ b/arch/m68k/68000/screen.h
@@ -0,0 +1,804 @@
+/* Created with The GIMP */
+#define screen_width 320
+#define screen_height 240
+static unsigned char screen_bits[] = {
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x39, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x56,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x0d, 0x55, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x29, 0x5a, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6b, 0x55,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x03, 0x95, 0x6a, 0x00, 0x00, 0x00, 0x03, 0xf8, 0x70, 0xe0, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38,
+   0x01, 0xf8, 0x00, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x5b, 0x55, 0x00, 0x00, 0x00, 0x0f,
+   0xfc, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x38, 0x03, 0xfc, 0x00, 0x7f, 0x80, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x31, 0xb5, 0x56,
+   0x00, 0x00, 0x00, 0x1e, 0x0c, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x03, 0x0e, 0x00, 0x61,
+   0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0xd7, 0x55, 0x55, 0x00, 0x03, 0x8e, 0x1c, 0x00, 0x70, 0xe1, 0x9e,
+   0x0e, 0x38, 0xe1, 0x80, 0x70, 0xc0, 0xf0, 0x73, 0x33, 0xc0, 0x78, 0x38,
+   0x00, 0x0e, 0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x02, 0xa9, 0xaa, 0xad, 0x00, 0x03, 0x8e, 0x38,
+   0x00, 0x70, 0xe1, 0xff, 0x0e, 0x38, 0xe3, 0x80, 0x71, 0xc3, 0xf8, 0x77,
+   0x3f, 0xe1, 0xfc, 0x38, 0x00, 0x0e, 0x00, 0xef, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x2b, 0x55, 0x6a,
+   0x00, 0x03, 0x8e, 0x38, 0x00, 0x70, 0xe1, 0xe7, 0x0e, 0x38, 0x73, 0x00,
+   0x73, 0x83, 0x9c, 0x7f, 0x3c, 0xe1, 0xce, 0x38, 0x00, 0x1c, 0x00, 0xff,
+   0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x15, 0x56, 0xab, 0x55, 0x00, 0x03, 0x8e, 0x38, 0x00, 0x70, 0xe1, 0xc7,
+   0x0e, 0x38, 0x76, 0x00, 0x77, 0x07, 0x1c, 0x78, 0x38, 0xe3, 0x8e, 0x38,
+   0x00, 0x78, 0x00, 0xf3, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x69, 0x55, 0x5a, 0xb7, 0x00, 0x03, 0x8e, 0x38,
+   0x00, 0x70, 0xe1, 0xc7, 0x0e, 0x38, 0x3c, 0x00, 0x7e, 0x07, 0xfc, 0x70,
+   0x38, 0xe3, 0xfe, 0x38, 0x00, 0xf0, 0x00, 0xe1, 0xc0, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xa5, 0x9a, 0xab, 0x6d,
+   0x00, 0x03, 0x8e, 0x3c, 0x00, 0x70, 0xe1, 0xc7, 0x0e, 0x38, 0x3e, 0x00,
+   0x7f, 0x07, 0xfc, 0x70, 0x38, 0xe3, 0xfe, 0x38, 0x01, 0xc0, 0x00, 0xe1,
+   0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
+   0x4d, 0x75, 0xb6, 0xd5, 0x00, 0x03, 0x8e, 0x1c, 0x00, 0x70, 0xe1, 0xc7,
+   0x0e, 0x38, 0x77, 0x00, 0x77, 0x87, 0x00, 0x70, 0x38, 0xe3, 0x80, 0x38,
+   0x03, 0x80, 0x00, 0xe1, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x14, 0xaa, 0xca, 0xd5, 0x5b, 0x00, 0x03, 0x9e, 0x1f,
+   0x0c, 0x70, 0xe1, 0xc7, 0x0e, 0x78, 0x67, 0x00, 0x73, 0xc7, 0x8c, 0x70,
+   0x38, 0xe3, 0xc6, 0x38, 0x03, 0xfe, 0x38, 0x71, 0xc0, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2a, 0xb5, 0xbb, 0x5b, 0x6a,
+   0x00, 0x03, 0xfe, 0x0f, 0xfc, 0x70, 0xe1, 0xc7, 0x0f, 0xf8, 0xe3, 0x80,
+   0x71, 0xe3, 0xfc, 0x70, 0x38, 0xe1, 0xfe, 0x38, 0x03, 0xfe, 0x38, 0x7f,
+   0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa9,
+   0x6b, 0x56, 0xd6, 0xad, 0x00, 0x01, 0xe6, 0x03, 0xf0, 0x70, 0xe1, 0xc7,
+   0x07, 0x98, 0xc3, 0x80, 0x70, 0xe0, 0xf8, 0x70, 0x38, 0xe0, 0x7c, 0x38,
+   0x03, 0xfe, 0x38, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x03, 0x55, 0x55, 0x6a, 0xba, 0xeb, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x56, 0xd5, 0xd5, 0xd5, 0xac,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2a, 0x5a,
+   0xb7, 0x3d, 0x57, 0x5b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x75, 0x6d, 0xaa, 0xd3, 0xac, 0xaa, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x8b, 0x6a, 0xb6, 0xde, 0x6b, 0xb6,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xba, 0xad,
+   0xeb, 0x32, 0xda, 0xad, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x1e, 0xaa, 0xb5, 0xad, 0x6e, 0x96, 0xaa, 0x00, 0x00, 0x00, 0x00,
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+   0x5a, 0xad, 0xa8, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x03,
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+   0x64, 0x61, 0x21, 0x95, 0xad, 0x56, 0xaa, 0xd7, 0xab, 0x55, 0x50, 0x03,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x01, 0x80, 0x04, 0xaa, 0x94,
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+   0x12, 0x46, 0x20, 0xdc, 0xc4, 0x01, 0x01, 0xaa, 0xaa, 0xa9, 0x5b, 0x49,
+   0x2a, 0xad, 0xa0, 0x03, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x01,
+   0x80, 0x02, 0xa4, 0xa5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+   0xaa, 0x95, 0x66, 0xaa, 0xaa, 0xaa, 0xa0, 0x03, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xfe, 0x01, 0x80, 0x05, 0x55, 0x29, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0c, 0xa8, 0x89, 0x99,
+   0x00, 0x22, 0x03, 0xd5, 0x4a, 0xaa, 0xa7, 0x4d, 0x5a, 0xd5, 0x40, 0x07,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x01, 0x80, 0x02, 0x49, 0x4a,
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+   0x18, 0x02, 0x03, 0x24, 0x10, 0xa8, 0x2f, 0x6a, 0xaa, 0xaa, 0x45, 0x51,
+   0x4a, 0xb5, 0x40, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00,
+   0x80, 0x04, 0x95, 0x2a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x02, 0x01, 0x05, 0x48, 0x07, 0xae, 0x83, 0x02, 0x8c, 0x2a,
+   0x95, 0x52, 0xcd, 0x56, 0xad, 0x56, 0xc0, 0x07, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xfe, 0x00, 0xc0, 0x01, 0x52, 0x52, 0x00, 0x00, 0x00, 0x00,
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+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08,
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+   0xc0, 0x01, 0x29, 0x52, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x08, 0xa1, 0x2d, 0x21, 0x7f, 0x40, 0x4d, 0xb0, 0x35, 0x55,
+   0x15, 0x15, 0x79, 0x25, 0x4a, 0xca, 0x04, 0x0f, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xff, 0x00, 0xc0, 0x02, 0x52, 0x96, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x40, 0x7f, 0x24,
+   0x8a, 0x58, 0xad, 0x55, 0x55, 0x52, 0x0a, 0x5a, 0xaa, 0xbb, 0x04, 0x0f,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xc0, 0x00, 0xa5, 0x20,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x41, 0x09,
+   0x50, 0x42, 0xfd, 0xc0, 0x59, 0x53, 0x53, 0x4c, 0xaa, 0x54, 0x5a, 0xa2,
+   0xad, 0xaa, 0x04, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
+   0xc0, 0x01, 0x4d, 0x55, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x08, 0x02, 0x15, 0x90, 0x7d, 0x15, 0x76, 0xac, 0xad, 0x52,
+   0x95, 0x55, 0xaa, 0x4c, 0xa5, 0x54, 0x04, 0x0f, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xff, 0x00, 0xc0, 0x00, 0xa5, 0x12, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x0c, 0x83, 0x01, 0xff, 0xf9,
+   0x15, 0x29, 0x51, 0x55, 0x52, 0x2c, 0xa2, 0x54, 0xab, 0x6c, 0x04, 0x0f,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x80, 0x01, 0x28, 0x54,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x98,
+   0x06, 0x01, 0xff, 0xe9, 0x55, 0xd5, 0x56, 0xa5, 0x55, 0xaa, 0xad, 0x51,
+   0x35, 0x54, 0x04, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
+   0x80, 0x00, 0x4a, 0xa9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x01, 0x08, 0x31, 0x1c, 0x12, 0xf4, 0xc5, 0x44, 0x5a, 0xaa, 0x49,
+   0xaa, 0xa9, 0xa8, 0x95, 0x55, 0x50, 0x04, 0x0f, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xff, 0x01, 0x80, 0x01, 0x52, 0x82, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x40, 0x48, 0x1c, 0x41, 0x3e, 0x2e,
+   0x8b, 0x54, 0xaa, 0xab, 0x52, 0xa5, 0x45, 0x24, 0x95, 0x50, 0x06, 0x0f,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x01, 0x24, 0x5a,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc1, 0x00,
+   0x38, 0x01, 0x1d, 0x64, 0x9a, 0xa9, 0x2a, 0x94, 0xaa, 0xab, 0x55, 0x55,
+   0xaa, 0xd8, 0x02, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03,
+   0x00, 0x01, 0x4a, 0x92, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x13, 0xc8, 0x00, 0xb0, 0x02, 0x3e, 0x96, 0x35, 0x6a, 0xaa, 0x55,
+   0x4a, 0x95, 0x4a, 0x54, 0x55, 0x28, 0x03, 0x0f, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xff, 0x8f, 0xc0, 0x01, 0x29, 0x4a, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x83, 0x49, 0x20, 0x8c, 0x78, 0xb5,
+   0x65, 0x4a, 0xaa, 0xa6, 0xaa, 0xa5, 0x29, 0x45, 0xaa, 0xa8, 0x03, 0x0f,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x70, 0x01, 0x45, 0x28,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x25, 0x03, 0x20,
+   0x00, 0x30, 0x75, 0x4c, 0x95, 0x55, 0x54, 0xa9, 0x52, 0x95, 0x52, 0x95,
+   0x2a, 0xa8, 0x01, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80,
+   0x18, 0x00, 0x94, 0xa5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x0d, 0x0c, 0x0c, 0x44, 0x18, 0xe5, 0xb9, 0xb5, 0x54, 0x92, 0x96,
+   0xaa, 0x55, 0x4a, 0x69, 0x55, 0x20, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xff, 0x00, 0x00, 0x01, 0x29, 0x29, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x01, 0x2e, 0x08, 0x1c, 0x01, 0x7b, 0xdc, 0x96,
+   0x4a, 0xaa, 0xaa, 0xa9, 0x4a, 0xaa, 0x95, 0x0a, 0x73, 0x50, 0x00, 0xff,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x01, 0x52, 0x52,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x20, 0x30,
+   0x44, 0x79, 0x88, 0xd4, 0x95, 0x49, 0x54, 0xab, 0x52, 0x94, 0xa4, 0xaa,
+   0xc6, 0x51, 0xe0, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00,
+   0x00, 0x00, 0x8a, 0x8a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x38, 0x2a, 0x21, 0x01, 0xfb, 0xa0, 0x7d, 0x54, 0xb5, 0x55, 0x54,
+   0x95, 0x55, 0x29, 0x55, 0x29, 0x57, 0xf8, 0x3f, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xfe, 0x00, 0x00, 0x02, 0x50, 0x52, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x02, 0x78, 0x90, 0x00, 0x0d, 0xfb, 0xca, 0xd2,
+   0xaa, 0x92, 0x49, 0x55, 0x55, 0x2a, 0x4a, 0x4a, 0xd3, 0x57, 0xfc, 0x1f,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x02, 0x95, 0x54,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x39, 0x20, 0xa4,
+   0x13, 0xfd, 0xab, 0x2a, 0x52, 0xa5, 0x52, 0x55, 0x52, 0xa9, 0x55, 0x55,
+   0x2a, 0x57, 0xff, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc6, 0x00,
+   0x00, 0x0d, 0x24, 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x08, 0x30, 0xc0, 0x00, 0x77, 0xb5, 0x55, 0x69, 0x4a, 0xaa, 0x96, 0xaa,
+   0x94, 0xaa, 0x91, 0x45, 0x55, 0x4f, 0xff, 0x03, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0xcf, 0x00, 0x00, 0x1e, 0x55, 0x2a, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x01, 0x30, 0x81, 0x00, 0x67, 0xb4, 0x74, 0x52,
+   0x55, 0x55, 0x2a, 0xaa, 0xaa, 0x52, 0x55, 0x35, 0x52, 0xaf, 0xff, 0x81,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcf, 0x00, 0x00, 0x1e, 0xa0, 0x48,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xe3, 0x00, 0x08,
+   0x86, 0x4a, 0xd4, 0xd5, 0x54, 0x91, 0x49, 0x55, 0x51, 0x54, 0x95, 0x49,
+   0x56, 0x4f, 0xff, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xdf, 0x80,
+   0x00, 0x3e, 0x0b, 0x53, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x05, 0xc4, 0x02, 0x00, 0x7f, 0xbd, 0x8a, 0x25, 0x49, 0x55, 0x2a, 0xb5,
+   0x55, 0x52, 0xa4, 0x96, 0xac, 0x8f, 0xff, 0xe0, 0x7f, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0x9f, 0x80, 0x00, 0x7e, 0x54, 0xa4, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x43, 0x80, 0x20, 0x21, 0x4d, 0x3f, 0x52, 0xb4,
+   0x55, 0x2a, 0x55, 0x55, 0x4a, 0xa4, 0x95, 0x32, 0xa5, 0x4f, 0xff, 0xe0,
+   0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xc0, 0x00, 0xfe, 0x49, 0x14,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xe8, 0x04, 0x08,
+   0x1a, 0x46, 0xd4, 0x49, 0xaa, 0xa4, 0xaa, 0xaa, 0x54, 0x95, 0x2a, 0xc4,
+   0x94, 0x8f, 0xff, 0xf0, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xe0,
+   0x01, 0xfe, 0x92, 0x49, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0x8e, 0x40, 0x80, 0x00, 0x74, 0x44, 0x51, 0x55, 0x64, 0xa9, 0x49, 0x55,
+   0x49, 0x51, 0x52, 0x5a, 0x2a, 0x1f, 0xff, 0xf8, 0x07, 0xff, 0xff, 0xff,
+   0xff, 0xff, 0x9f, 0xf0, 0x07, 0xfe, 0x24, 0x52, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x0d, 0x90, 0x00, 0x41, 0xeb, 0x12, 0xab, 0x52,
+   0xa9, 0x4a, 0xaa, 0xa5, 0x52, 0x95, 0x2a, 0xa2, 0xa8, 0x1f, 0xff, 0xf8,
+   0x03, 0xff, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xf8, 0x1f, 0xfe, 0x52, 0x8a,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x3b, 0x81, 0x08, 0x05,
+   0xe3, 0x15, 0xa5, 0x36, 0x95, 0x4a, 0x4a, 0xaa, 0x45, 0x2a, 0xa2, 0xac,
+   0x00, 0x3f, 0xff, 0xfc, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff,
+   0xff, 0xfe, 0x04, 0xa8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+   0xb2, 0x00, 0x00, 0x80, 0xe8, 0x52, 0xac, 0xa8, 0xa4, 0x92, 0xa9, 0x4a,
+   0x95, 0x51, 0x2d, 0x50, 0xe1, 0xff, 0xff, 0xfe, 0x00, 0x7f, 0xff, 0xff,
+   0xff, 0xff, 0x9f, 0xff, 0xff, 0xfe, 0x29, 0x05, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x04, 0x00, 0x35, 0x10, 0x09, 0xa9, 0x4a, 0xaa, 0xaa,
+   0xa9, 0x54, 0x95, 0x2a, 0xa4, 0x8a, 0xa9, 0x43, 0xff, 0xff, 0xff, 0xfe,
+   0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff, 0xff, 0xfe, 0x12, 0xa9,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2e, 0x01, 0x03,
+   0x34, 0xa5, 0x19, 0x25, 0x55, 0x55, 0x55, 0x55, 0x15, 0x55, 0x45, 0x53,
+   0xff, 0xff, 0xff, 0xff, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff,
+   0xff, 0xfe, 0x04, 0x92, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
+   0x49, 0x3c, 0x00, 0x34, 0x75, 0x4a, 0xa2, 0xaa, 0x92, 0x92, 0x92, 0x54,
+   0x52, 0x54, 0x99, 0x53, 0xff, 0xff, 0xff, 0xff, 0x80, 0x0f, 0xff, 0xff,
+   0xff, 0xff, 0x9f, 0xff, 0xff, 0xff, 0x14, 0x94, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0x02, 0x00, 0x78, 0x12, 0xfc, 0xaa, 0x92, 0x2d, 0x54,
+   0xa4, 0xa5, 0x2a, 0x92, 0x94, 0x92, 0xa2, 0xa3, 0xff, 0xff, 0xff, 0xff,
+   0x80, 0x0f, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff, 0xff, 0xff, 0x01, 0x51,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x16, 0xf0, 0x80, 0x71,
+   0xc5, 0x2a, 0x65, 0x25, 0x55, 0x4a, 0x52, 0xaa, 0x51, 0x52, 0x95, 0x21,
+   0xff, 0xff, 0xff, 0xff, 0xc0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x8f, 0xff,
+   0xff, 0xff, 0x81, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
+   0x8e, 0xa0, 0x00, 0xb3, 0x94, 0xa4, 0xa9, 0x55, 0x45, 0x54, 0xa5, 0x25,
+   0x25, 0x2a, 0x65, 0x41, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff,
+   0xff, 0xff, 0x8f, 0xff, 0xff, 0xff, 0x80, 0x4a, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x00, 0xa0, 0x0f, 0x42, 0x13, 0x46, 0x94, 0x94, 0xa5, 0x4a,
+   0x54, 0x92, 0x88, 0xa8, 0x49, 0x55, 0x4a, 0x51, 0xff, 0xff, 0xff, 0xff,
+   0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0x8f, 0xff, 0xff, 0xff, 0xe0, 0x52,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4c, 0x2d, 0x00, 0x87, 0x56,
+   0x4b, 0x2a, 0x99, 0x55, 0x4a, 0xaa, 0x55, 0x4a, 0x92, 0xa2, 0x54, 0xa8,
+   0xff, 0xff, 0xff, 0xff, 0xf0, 0x07, 0xff, 0xff, 0xff, 0xfd, 0x8f, 0xff,
+   0xff, 0xff, 0xfe, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x88,
+   0x18, 0x04, 0x1f, 0x11, 0x51, 0x51, 0x0b, 0x54, 0x94, 0xa5, 0x52, 0x92,
+   0x55, 0x54, 0x95, 0x20, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x0f, 0xff, 0xff,
+   0xff, 0xf9, 0x8f, 0xff, 0xff, 0xff, 0xff, 0x89, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x11, 0xe0, 0x38, 0x01, 0x3e, 0x4d, 0x0a, 0x55, 0x5a, 0x55,
+   0x55, 0x4a, 0x25, 0x24, 0x81, 0x25, 0x29, 0x48, 0xff, 0xff, 0xff, 0xff,
+   0xf8, 0x1f, 0xff, 0xff, 0xff, 0xf0, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xc2,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x80, 0xf0, 0x90, 0x7e, 0xd4,
+   0x68, 0x92, 0xaa, 0x54, 0x92, 0x92, 0xa9, 0x55, 0x2e, 0xaa, 0xa2, 0x58,
+   0x7f, 0xff, 0xff, 0xff, 0xfc, 0x3f, 0xff, 0xff, 0xff, 0xe0, 0x8f, 0xff,
+   0xff, 0xff, 0xff, 0xe4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x04,
+   0x40, 0x00, 0x49, 0xe2, 0x8a, 0xa9, 0x54, 0x95, 0x2a, 0x54, 0x4a, 0x48,
+   0x91, 0x51, 0x2a, 0xc8, 0x7f, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff,
+   0xff, 0xc0, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xe2, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x2e, 0x00, 0x00, 0x03, 0x79, 0x4a, 0xa9, 0x45, 0x49, 0x54,
+   0xa4, 0x89, 0x49, 0x52, 0x8a, 0x85, 0x4a, 0x98, 0x7f, 0xff, 0xff, 0xff,
+   0xfe, 0x7f, 0xff, 0xff, 0xff, 0x80, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xc4,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x48, 0x44, 0x91, 0x65, 0x55,
+   0x4a, 0x54, 0x96, 0x85, 0x55, 0x52, 0xaa, 0x8a, 0x1a, 0xaa, 0x59, 0x30,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xfe, 0x01, 0x0f, 0xff,
+   0xff, 0xff, 0xff, 0x82, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x20, 0x00,
+   0x00, 0x02, 0xc3, 0x50, 0x29, 0x49, 0x2d, 0x35, 0x24, 0x54, 0x89, 0x32,
+   0x52, 0x91, 0x49, 0x40, 0xff, 0xff, 0xff, 0xff, 0xff, 0x30, 0xff, 0xff,
+   0xfc, 0x01, 0x0f, 0xff, 0xff, 0xff, 0xff, 0x04, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x00, 0x20, 0x08, 0x80, 0x00, 0x87, 0x4b, 0x42, 0x95, 0x2a, 0x4a,
+   0x4a, 0x89, 0x52, 0x44, 0x45, 0x25, 0x55, 0x10, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0x98, 0x7f, 0xff, 0xf0, 0x01, 0x0f, 0xff, 0xff, 0xff, 0xfc, 0x09,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x40, 0x40, 0x11, 0x15, 0x6a, 0x92,
+   0x4d, 0x29, 0x4a, 0xaa, 0xa4, 0xaa, 0x55, 0x54, 0x9a, 0x74, 0x44, 0xb1,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0x8c, 0x1f, 0xff, 0x00, 0x01, 0x0f, 0xff,
+   0xff, 0xff, 0xf0, 0x29, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
+   0x80, 0x01, 0x48, 0x54, 0x94, 0xa6, 0xa9, 0x52, 0x45, 0x24, 0x84, 0x92,
+   0xa4, 0x85, 0x2a, 0x43, 0xff, 0xff, 0xff, 0xff, 0xff, 0x84, 0x00, 0x00,
+   0x00, 0x01, 0x1f, 0xff, 0xff, 0xff, 0xc0, 0x92, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x11, 0x00, 0x09, 0x02, 0x03, 0x53, 0x15, 0x2a, 0x49, 0x4a, 0xa5,
+   0x49, 0x29, 0x29, 0x24, 0x2a, 0xd5, 0x54, 0xa3, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xc6, 0x00, 0x00, 0x00, 0x03, 0x1f, 0xff, 0xff, 0xfe, 0x01, 0x24,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x02, 0x20, 0x26, 0xd4, 0xa2,
+   0x49, 0xb5, 0x15, 0x4a, 0x52, 0xa9, 0x4a, 0x92, 0xa5, 0x12, 0x52, 0xa3,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xc6, 0x00, 0x00, 0x00, 0x03, 0x1f, 0xff,
+   0xff, 0xf0, 0x14, 0x92, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84, 0x00, 0x44,
+   0x00, 0x0c, 0xc4, 0xa4, 0xa8, 0x25, 0x2a, 0xaa, 0x84, 0x45, 0x28, 0xa4,
+   0xa8, 0xa5, 0x4a, 0x43, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc2, 0x00, 0x00,
+   0x00, 0x06, 0x1f, 0xff, 0xff, 0xc0, 0x25, 0x24, 0x00, 0x00, 0x00, 0x00,
+   0x00, 0x10, 0x80, 0x12, 0x01, 0x11, 0x12, 0x8a, 0x95, 0x49, 0x55, 0x49,
+   0x2a, 0xaa, 0x45, 0x0a, 0x4a, 0x94, 0xaa, 0x90, 0xff, 0xff, 0xff, 0xff,
+   0xff, 0xc2, 0x00, 0x00, 0x00, 0x06, 0x1f, 0xff, 0xff, 0x02, 0x48, 0x92,
+   0x00, 0x00, 0x00, 0x00, 0x02, 0x01, 0x08, 0x00, 0x22, 0x01, 0x24, 0x95,
+   0x21, 0x55, 0x55, 0x2a, 0x54, 0x92, 0x94, 0xa8, 0xa9, 0x2a, 0x92, 0xa8,
+   0x1f, 0xff, 0xff, 0xff, 0xff, 0x82, 0x00, 0x00, 0x00, 0x06, 0x0f, 0xff,
+   0xfe, 0x02, 0x49, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x01, 0x40,
+   0x00, 0xc4, 0x89, 0x11, 0x54, 0x95, 0x29, 0x49, 0x49, 0x24, 0x29, 0x12,
+   0x92, 0xa5, 0x55, 0x28, 0x01, 0xff, 0xff, 0xff, 0xff, 0x82, 0x00, 0x00,
+   0x00, 0x02, 0x0f, 0xff, 0xfc, 0x14, 0x92, 0x49, 0x00, 0x00, 0x00, 0x00,
+   0x08, 0x42, 0x06, 0x44, 0x45, 0x08, 0x92, 0x24, 0x95, 0xaa, 0xa5, 0x52,
+   0x92, 0x55, 0x42, 0x52, 0xaa, 0x4a, 0x49, 0x4a, 0x80, 0x0f, 0xff, 0xff,
+   0xff, 0x84, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xff, 0xf0, 0x04, 0x92, 0x49,
+   0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x2a, 0x80, 0x01, 0x95, 0x2a, 0x8a,
+   0xa0, 0x95, 0x2a, 0x95, 0x54, 0xa4, 0x54, 0x84, 0x44, 0x95, 0x55, 0x29,
+   0x54, 0x00, 0x7f, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff,
+   0xe0, 0x29, 0x24, 0x92, 0x00, 0x00, 0x00, 0x00, 0x22, 0x04, 0x03, 0x03,
+   0x42, 0x12, 0x52, 0x2a, 0x15, 0x55, 0x54, 0xa8, 0x92, 0xa9, 0x49, 0x29,
+   0x54, 0xaa, 0x92, 0x52, 0xa5, 0x40, 0x07, 0xff, 0xff, 0x00, 0x15, 0x50,
+   0x92, 0x44, 0x07, 0xff, 0xc0, 0x52, 0x54, 0xaa, 0x00, 0x00, 0x00, 0x00,
+   0x84, 0x02, 0x86, 0x03, 0x08, 0x41, 0x48, 0x94, 0xa5, 0x52, 0xaa, 0x8a,
+   0x49, 0x52, 0x92, 0x45, 0x49, 0x55, 0x2a, 0xaa, 0x94, 0x96, 0x00, 0x7f,
+   0xfe, 0x01, 0x55, 0x2b, 0x25, 0x50, 0x03, 0xff, 0x00, 0xa4, 0x91, 0x08,
+   0x00, 0x00, 0x00, 0x00, 0x88, 0x2c, 0x18, 0x14, 0x0a, 0xaa, 0x92, 0x55,
+   0x49, 0x55, 0x4a, 0xa9, 0x52, 0x44, 0x92, 0x94, 0x92, 0x92, 0xca, 0x4a,
+   0x55, 0x27, 0xa0, 0x0f, 0xf8, 0x05, 0x35, 0x49, 0x68, 0x91, 0x00, 0xf8,
+   0x04, 0x95, 0x25, 0x29, 0x00, 0x00, 0x00, 0x01, 0x08, 0x04, 0x18, 0x00,
+   0x08, 0x04, 0x49, 0x08, 0x55, 0x4a, 0xa9, 0x12, 0x95, 0x55, 0x49, 0x22,
+   0x65, 0x2a, 0x5a, 0x92, 0xa9, 0x49, 0x54, 0x00, 0xe0, 0x24, 0xb2, 0x55,
+   0x15, 0x4c, 0x00, 0x00, 0x02, 0x48, 0x52, 0x52, 0x00, 0x00, 0x00, 0x02,
+   0x21, 0x09, 0x50, 0x81, 0x51, 0x69, 0x48, 0x52, 0x92, 0x94, 0xaa, 0x54,
+   0x25, 0x54, 0x92, 0x4a, 0x89, 0x54, 0x82, 0xaa, 0x4a, 0x53, 0x55, 0x00,
+   0x00, 0x49, 0x65, 0x52, 0x51, 0x12, 0x80, 0x00, 0x14, 0x92, 0x92, 0x42,
+   0x00, 0x00, 0x00, 0x01, 0x00, 0x20, 0x50, 0x24, 0x2a, 0x95, 0x25, 0x29,
+   0x4a, 0xb5, 0x48, 0xa5, 0x52, 0x49, 0x24, 0x94, 0xaa, 0xab, 0x15, 0x24,
+   0x92, 0xa5, 0x54, 0x40, 0x00, 0xaa, 0xb5, 0x25, 0x4a, 0xa4, 0x80, 0x00,
+   0x21, 0x24, 0xa8, 0x94, 0x00, 0x00, 0x00, 0x0a, 0x44, 0x02, 0xb1, 0x01,
+   0x24, 0x80, 0x48, 0xa2, 0x55, 0x55, 0x52, 0x8a, 0x94, 0xaa, 0x49, 0x22,
+   0x8a, 0x49, 0x49, 0x55, 0x4a, 0x51, 0x25, 0x48, 0x02, 0xa8, 0x6a, 0x69,
+   0x12, 0x29, 0x50, 0x00, 0x55, 0x24, 0x81, 0x24, 0x00, 0x00, 0x00, 0x23,
+   0x80, 0x90, 0x70, 0x14, 0x82, 0x55, 0x22, 0x8a, 0xa9, 0x14, 0xaa, 0xa9,
+   0x25, 0x51, 0x2a, 0x55, 0x21, 0x55, 0x55, 0x12, 0x55, 0x32, 0xaa, 0x94,
+   0xa5, 0x55, 0x5a, 0x92, 0x54, 0xa5, 0x52, 0x24, 0xa2, 0x49, 0x2a, 0x92,
+   0x00, 0x00, 0x00, 0x0e, 0x08, 0x00, 0xe2, 0xa0, 0x04, 0x54, 0x84, 0x52,
+   0x4a, 0xa4, 0xaa, 0x2a, 0xa9, 0x25, 0x45, 0x42, 0xae, 0x92, 0x44, 0xa4,
+   0x91, 0x24, 0xaa, 0xaa, 0xaa, 0x91, 0x55, 0x55, 0x51, 0x55, 0x54, 0xa9,
+   0x14, 0x92, 0x49, 0x24, 0x00, 0x00, 0x00, 0x24, 0x01, 0x82, 0x70, 0x09,
+   0x2a, 0x41, 0x2a, 0x89, 0x14, 0x49, 0x29, 0x52, 0x4a, 0xaa, 0x2a, 0x15,
+   0x12, 0xaa, 0xa9, 0x2a, 0xaa, 0xba, 0xa4, 0x94, 0x95, 0x55, 0x5a, 0x49,
+   0x25, 0x20, 0x49, 0x22, 0xa5, 0x24, 0x92, 0x92, 0x00, 0x00, 0x01, 0x0c,
+   0x93, 0x10, 0xe2, 0x11, 0x00, 0x94, 0x22, 0x52, 0x69, 0x53, 0x52, 0x45,
+   0x49, 0x22, 0xa4, 0x4a, 0x55, 0x29, 0x2a, 0xa4, 0x52, 0x42, 0xaa, 0xa5,
+   0x52, 0xa8, 0xaa, 0x55, 0x4a, 0xab, 0xa9, 0x4a, 0x54, 0x49, 0x32, 0x24 };
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index e4b7839293e1..3548b3b45269 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -40,7 +40,7 @@ GCOV_PROFILE := n
 UBSAN_SANITIZE := n
 
 # decompressor objects (linked with vmlinuz)
-vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o
+vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/bswapsi.o
 
 ifdef CONFIG_DEBUG_ZBOOT
 vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT)		   += $(obj)/dbg.o
@@ -54,7 +54,7 @@ extra-y += uart-ath79.c
 $(obj)/uart-ath79.c: $(srctree)/arch/mips/ath79/early_printk.c
 	$(call cmd,shipped)
 
-vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o $(obj)/bswapsi.o
+vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o
 
 extra-y += ashldi3.c
 $(obj)/ashldi3.c: $(obj)/%.c: $(srctree)/lib/%.c FORCE
diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c
index 3d70d15ada28..aae1346a509a 100644
--- a/arch/mips/boot/compressed/decompress.c
+++ b/arch/mips/boot/compressed/decompress.c
@@ -7,6 +7,8 @@
  * Author: Wu Zhangjin <wuzhangjin@gmail.com>
  */
 
+#define DISABLE_BRANCH_PROFILING
+
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/arch/mips/include/asm/vdso/vdso.h b/arch/mips/include/asm/vdso/vdso.h
index 737ddfc3411c..a327ca21270e 100644
--- a/arch/mips/include/asm/vdso/vdso.h
+++ b/arch/mips/include/asm/vdso/vdso.h
@@ -67,7 +67,7 @@ static inline const struct vdso_data *get_vdso_data(void)
 
 static inline void __iomem *get_gic(const struct vdso_data *data)
 {
-	return (void __iomem *)data - PAGE_SIZE;
+	return (void __iomem *)((unsigned long)data & PAGE_MASK) - PAGE_SIZE;
 }
 
 #endif /* CONFIG_CLKSRC_MIPS_GIC */
diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c
index 5d91036ad626..58fbcfcc98c9 100644
--- a/arch/powerpc/boot/devtree.c
+++ b/arch/powerpc/boot/devtree.c
@@ -13,6 +13,7 @@
 #include "string.h"
 #include "stdio.h"
 #include "ops.h"
+#include "of.h"
 
 void dt_fixup_memory(u64 start, u64 size)
 {
@@ -23,21 +24,25 @@ void dt_fixup_memory(u64 start, u64 size)
 	root = finddevice("/");
 	if (getprop(root, "#address-cells", &naddr, sizeof(naddr)) < 0)
 		naddr = 2;
+	else
+		naddr = be32_to_cpu(naddr);
 	if (naddr < 1 || naddr > 2)
 		fatal("Can't cope with #address-cells == %d in /\n\r", naddr);
 
 	if (getprop(root, "#size-cells", &nsize, sizeof(nsize)) < 0)
 		nsize = 1;
+	else
+		nsize = be32_to_cpu(nsize);
 	if (nsize < 1 || nsize > 2)
 		fatal("Can't cope with #size-cells == %d in /\n\r", nsize);
 
 	i = 0;
 	if (naddr == 2)
-		memreg[i++] = start >> 32;
-	memreg[i++] = start & 0xffffffff;
+		memreg[i++] = cpu_to_be32(start >> 32);
+	memreg[i++] = cpu_to_be32(start & 0xffffffff);
 	if (nsize == 2)
-		memreg[i++] = size >> 32;
-	memreg[i++] = size & 0xffffffff;
+		memreg[i++] = cpu_to_be32(size >> 32);
+	memreg[i++] = cpu_to_be32(size & 0xffffffff);
 
 	memory = finddevice("/memory");
 	if (! memory) {
@@ -45,9 +50,9 @@ void dt_fixup_memory(u64 start, u64 size)
 		setprop_str(memory, "device_type", "memory");
 	}
 
-	printf("Memory <- <0x%x", memreg[0]);
+	printf("Memory <- <0x%x", be32_to_cpu(memreg[0]));
 	for (i = 1; i < (naddr + nsize); i++)
-		printf(" 0x%x", memreg[i]);
+		printf(" 0x%x", be32_to_cpu(memreg[i]));
 	printf("> (%ldMB)\n\r", (unsigned long)(size >> 20));
 
 	setprop(memory, "reg", memreg, (naddr + nsize)*sizeof(u32));
@@ -65,10 +70,10 @@ void dt_fixup_cpu_clocks(u32 cpu, u32 tb, u32 bus)
 		printf("CPU bus-frequency <- 0x%x (%dMHz)\n\r", bus, MHZ(bus));
 
 	while ((devp = find_node_by_devtype(devp, "cpu"))) {
-		setprop_val(devp, "clock-frequency", cpu);
-		setprop_val(devp, "timebase-frequency", tb);
+		setprop_val(devp, "clock-frequency", cpu_to_be32(cpu));
+		setprop_val(devp, "timebase-frequency", cpu_to_be32(tb));
 		if (bus > 0)
-			setprop_val(devp, "bus-frequency", bus);
+			setprop_val(devp, "bus-frequency", cpu_to_be32(bus));
 	}
 
 	timebase_period_ns = 1000000000 / tb;
@@ -80,7 +85,7 @@ void dt_fixup_clock(const char *path, u32 freq)
 
 	if (devp) {
 		printf("%s: clock-frequency <- %x (%dMHz)\n\r", path, freq, MHZ(freq));
-		setprop_val(devp, "clock-frequency", freq);
+		setprop_val(devp, "clock-frequency", cpu_to_be32(freq));
 	}
 }
 
@@ -133,8 +138,12 @@ void dt_get_reg_format(void *node, u32 *naddr, u32 *nsize)
 {
 	if (getprop(node, "#address-cells", naddr, 4) != 4)
 		*naddr = 2;
+	else
+		*naddr = be32_to_cpu(*naddr);
 	if (getprop(node, "#size-cells", nsize, 4) != 4)
 		*nsize = 1;
+	else
+		*nsize = be32_to_cpu(*nsize);
 }
 
 static void copy_val(u32 *dest, u32 *src, int naddr)
@@ -163,9 +172,9 @@ static int add_reg(u32 *reg, u32 *add, int naddr)
 	int i, carry = 0;
 
 	for (i = MAX_ADDR_CELLS - 1; i >= MAX_ADDR_CELLS - naddr; i--) {
-		u64 tmp = (u64)reg[i] + add[i] + carry;
+		u64 tmp = (u64)be32_to_cpu(reg[i]) + be32_to_cpu(add[i]) + carry;
 		carry = tmp >> 32;
-		reg[i] = (u32)tmp;
+		reg[i] = cpu_to_be32((u32)tmp);
 	}
 
 	return !carry;
@@ -180,18 +189,18 @@ static int compare_reg(u32 *reg, u32 *range, u32 *rangesize)
 	u32 end;
 
 	for (i = 0; i < MAX_ADDR_CELLS; i++) {
-		if (reg[i] < range[i])
+		if (be32_to_cpu(reg[i]) < be32_to_cpu(range[i]))
 			return 0;
-		if (reg[i] > range[i])
+		if (be32_to_cpu(reg[i]) > be32_to_cpu(range[i]))
 			break;
 	}
 
 	for (i = 0; i < MAX_ADDR_CELLS; i++) {
-		end = range[i] + rangesize[i];
+		end = be32_to_cpu(range[i]) + be32_to_cpu(rangesize[i]);
 
-		if (reg[i] < end)
+		if (be32_to_cpu(reg[i]) < end)
 			break;
-		if (reg[i] > end)
+		if (be32_to_cpu(reg[i]) > end)
 			return 0;
 	}
 
@@ -240,7 +249,6 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 		return 0;
 
 	dt_get_reg_format(parent, &naddr, &nsize);
-
 	if (nsize > 2)
 		return 0;
 
@@ -252,10 +260,10 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 
 	copy_val(last_addr, prop_buf + offset, naddr);
 
-	ret_size = prop_buf[offset + naddr];
+	ret_size = be32_to_cpu(prop_buf[offset + naddr]);
 	if (nsize == 2) {
 		ret_size <<= 32;
-		ret_size |= prop_buf[offset + naddr + 1];
+		ret_size |= be32_to_cpu(prop_buf[offset + naddr + 1]);
 	}
 
 	for (;;) {
@@ -278,7 +286,6 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 
 		offset = find_range(last_addr, prop_buf, prev_naddr,
 		                    naddr, prev_nsize, buflen / 4);
-
 		if (offset < 0)
 			return 0;
 
@@ -296,8 +303,7 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr,
 	if (naddr > 2)
 		return 0;
 
-	ret_addr = ((u64)last_addr[2] << 32) | last_addr[3];
-
+	ret_addr = ((u64)be32_to_cpu(last_addr[2]) << 32) | be32_to_cpu(last_addr[3]);
 	if (sizeof(void *) == 4 &&
 	    (ret_addr >= 0x100000000ULL || ret_size > 0x100000000ULL ||
 	     ret_addr + ret_size > 0x100000000ULL))
@@ -350,11 +356,14 @@ int dt_is_compatible(void *node, const char *compat)
 int dt_get_virtual_reg(void *node, void **addr, int nres)
 {
 	unsigned long xaddr;
-	int n;
+	int n, i;
 
 	n = getprop(node, "virtual-reg", addr, nres * 4);
-	if (n > 0)
+	if (n > 0) {
+		for (i = 0; i < n/4; i ++)
+			((u32 *)addr)[i] = be32_to_cpu(((u32 *)addr)[i]);
 		return n / 4;
+	}
 
 	for (n = 0; n < nres; n++) {
 		if (!dt_xlate_reg(node, n, &xaddr, NULL))
diff --git a/arch/powerpc/boot/ns16550.c b/arch/powerpc/boot/ns16550.c
index b0da4466d419..f16d2be1d0f3 100644
--- a/arch/powerpc/boot/ns16550.c
+++ b/arch/powerpc/boot/ns16550.c
@@ -15,6 +15,7 @@
 #include "stdio.h"
 #include "io.h"
 #include "ops.h"
+#include "of.h"
 
 #define UART_DLL	0	/* Out: Divisor Latch Low */
 #define UART_DLM	1	/* Out: Divisor Latch High */
@@ -58,16 +59,20 @@ int ns16550_console_init(void *devp, struct serial_console_data *scdp)
 	int n;
 	u32 reg_offset;
 
-	if (dt_get_virtual_reg(devp, (void **)&reg_base, 1) < 1)
+	if (dt_get_virtual_reg(devp, (void **)&reg_base, 1) < 1) {
+		printf("virt reg parse fail...\r\n");
 		return -1;
+	}
 
 	n = getprop(devp, "reg-offset", &reg_offset, sizeof(reg_offset));
 	if (n == sizeof(reg_offset))
-		reg_base += reg_offset;
+		reg_base += be32_to_cpu(reg_offset);
 
 	n = getprop(devp, "reg-shift", &reg_shift, sizeof(reg_shift));
 	if (n != sizeof(reg_shift))
 		reg_shift = 0;
+	else
+		reg_shift = be32_to_cpu(reg_shift);
 
 	scdp->open = ns16550_open;
 	scdp->putc = ns16550_putc;
diff --git a/arch/powerpc/include/asm/inst.h b/arch/powerpc/include/asm/inst.h
index 268d3bd073c8..887ef150fdda 100644
--- a/arch/powerpc/include/asm/inst.h
+++ b/arch/powerpc/include/asm/inst.h
@@ -12,6 +12,8 @@
 	unsigned long __gui_ptr = (unsigned long)ptr;			\
 	struct ppc_inst __gui_inst;					\
 	unsigned int __prefix, __suffix;				\
+									\
+	__chk_user_ptr(ptr);						\
 	__gui_ret = gu_op(__prefix, (unsigned int __user *)__gui_ptr);	\
 	if (__gui_ret == 0) {						\
 		if ((__prefix >> 26) == OP_PREFIX) {			\
@@ -29,7 +31,10 @@
 })
 #else /* !CONFIG_PPC64 */
 #define ___get_user_instr(gu_op, dest, ptr)				\
-	gu_op((dest).val, (u32 __user *)(ptr))
+({									\
+	__chk_user_ptr(ptr);						\
+	gu_op((dest).val, (u32 __user *)(ptr));				\
+})
 #endif /* CONFIG_PPC64 */
 
 #define get_user_instr(x, ptr) \
diff --git a/arch/powerpc/include/asm/ps3.h b/arch/powerpc/include/asm/ps3.h
index e646c7f218bc..12b6b76e8d0f 100644
--- a/arch/powerpc/include/asm/ps3.h
+++ b/arch/powerpc/include/asm/ps3.h
@@ -71,6 +71,7 @@ struct ps3_dma_region_ops;
  * @bus_addr: The 'translated' bus address of the region.
  * @len: The length in bytes of the region.
  * @offset: The offset from the start of memory of the region.
+ * @dma_mask: Device dma_mask.
  * @ioid: The IOID of the device who owns this region
  * @chunk_list: Opaque variable used by the ioc page manager.
  * @region_ops: struct ps3_dma_region_ops - dma region operations
@@ -85,6 +86,7 @@ struct ps3_dma_region {
 	enum ps3_dma_region_type region_type;
 	unsigned long len;
 	unsigned long offset;
+	u64 dma_mask;
 
 	/* driver variables  (set by ps3_dma_region_create) */
 	unsigned long bus_addr;
diff --git a/arch/powerpc/mm/book3s64/radix_tlb.c b/arch/powerpc/mm/book3s64/radix_tlb.c
index 409e61210789..817a02ef6032 100644
--- a/arch/powerpc/mm/book3s64/radix_tlb.c
+++ b/arch/powerpc/mm/book3s64/radix_tlb.c
@@ -291,22 +291,30 @@ static inline void fixup_tlbie_lpid(unsigned long lpid)
 /*
  * We use 128 set in radix mode and 256 set in hpt mode.
  */
-static __always_inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
+static inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
 {
 	int set;
 
 	asm volatile("ptesync": : :"memory");
 
-	/*
-	 * Flush the first set of the TLB, and if we're doing a RIC_FLUSH_ALL,
-	 * also flush the entire Page Walk Cache.
-	 */
-	__tlbiel_pid(pid, 0, ric);
+	switch (ric) {
+	case RIC_FLUSH_PWC:
 
-	/* For PWC, only one flush is needed */
-	if (ric == RIC_FLUSH_PWC) {
+		/* For PWC, only one flush is needed */
+		__tlbiel_pid(pid, 0, RIC_FLUSH_PWC);
 		ppc_after_tlbiel_barrier();
 		return;
+	case RIC_FLUSH_TLB:
+		__tlbiel_pid(pid, 0, RIC_FLUSH_TLB);
+		break;
+	case RIC_FLUSH_ALL:
+	default:
+		/*
+		 * Flush the first set of the TLB, and if
+		 * we're doing a RIC_FLUSH_ALL, also flush
+		 * the entire Page Walk Cache.
+		 */
+		__tlbiel_pid(pid, 0, RIC_FLUSH_ALL);
 	}
 
 	if (!cpu_has_feature(CPU_FTR_ARCH_31)) {
@@ -1176,7 +1184,7 @@ void radix__tlb_flush(struct mmu_gather *tlb)
 	}
 }
 
-static __always_inline void __radix__flush_tlb_range_psize(struct mm_struct *mm,
+static void __radix__flush_tlb_range_psize(struct mm_struct *mm,
 				unsigned long start, unsigned long end,
 				int psize, bool also_pwc)
 {
diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
index 57a8c1153851..94411af24013 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -667,7 +667,7 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
 		 * BPF_STX ATOMIC (atomic ops)
 		 */
 		case BPF_STX | BPF_ATOMIC | BPF_W:
-			if (insn->imm != BPF_ADD) {
+			if (imm != BPF_ADD) {
 				pr_err_ratelimited(
 					"eBPF filter atomic op code %02x (@%d) unsupported\n",
 					code, i);
@@ -689,7 +689,7 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
 			PPC_BCC_SHORT(COND_NE, tmp_idx);
 			break;
 		case BPF_STX | BPF_ATOMIC | BPF_DW:
-			if (insn->imm != BPF_ADD) {
+			if (imm != BPF_ADD) {
 				pr_err_ratelimited(
 					"eBPF filter atomic op code %02x (@%d) unsupported\n",
 					code, i);
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index d094321964fb..a81eac35d900 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -6,6 +6,7 @@
  *  Copyright 2006 Sony Corp.
  */
 
+#include <linux/dma-mapping.h>
 #include <linux/kernel.h>
 #include <linux/export.h>
 #include <linux/memblock.h>
@@ -1118,6 +1119,7 @@ int ps3_dma_region_init(struct ps3_system_bus_device *dev,
 	enum ps3_dma_region_type region_type, void *addr, unsigned long len)
 {
 	unsigned long lpar_addr;
+	int result;
 
 	lpar_addr = addr ? ps3_mm_phys_to_lpar(__pa(addr)) : 0;
 
@@ -1129,6 +1131,16 @@ int ps3_dma_region_init(struct ps3_system_bus_device *dev,
 		r->offset -= map.r1.offset;
 	r->len = len ? len : ALIGN(map.total, 1 << r->page_size);
 
+	dev->core.dma_mask = &r->dma_mask;
+
+	result = dma_set_mask_and_coherent(&dev->core, DMA_BIT_MASK(32));
+
+	if (result < 0) {
+		dev_err(&dev->core, "%s:%d: dma_set_mask_and_coherent failed: %d\n",
+			__func__, __LINE__, result);
+		return result;
+	}
+
 	switch (dev->dev_type) {
 	case PS3_DEVICE_TYPE_SB:
 		r->region_ops =  (USE_DYNAMIC_DMA)
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 93488bbf491b..90e1639697b4 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -165,7 +165,6 @@ config S390
 	select HAVE_GCC_PLUGINS
 	select HAVE_GENERIC_VDSO
 	select HAVE_IOREMAP_PROT if PCI
-	select HAVE_IRQ_EXIT_ON_IRQ_STACK
 	select HAVE_KERNEL_BZIP2
 	select HAVE_KERNEL_GZIP
 	select HAVE_KERNEL_LZ4
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index e443ed9947bd..098abe3a56f3 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -28,6 +28,7 @@ KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY
 KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null-pointer-checks -msoft-float -mbackchain
 KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronous-unwind-tables
 KBUILD_CFLAGS_DECOMPRESSOR += -ffreestanding
+KBUILD_CFLAGS_DECOMPRESSOR += -fno-stack-protector
 KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, address-of-packed-member)
 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g)
 KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,))
diff --git a/arch/s390/boot/ipl_parm.c b/arch/s390/boot/ipl_parm.c
index d372a45fe10e..dd92092e3eec 100644
--- a/arch/s390/boot/ipl_parm.c
+++ b/arch/s390/boot/ipl_parm.c
@@ -28,22 +28,25 @@ static inline int __diag308(unsigned long subcode, void *addr)
 	register unsigned long _addr asm("0") = (unsigned long)addr;
 	register unsigned long _rc asm("1") = 0;
 	unsigned long reg1, reg2;
-	psw_t old = S390_lowcore.program_new_psw;
+	psw_t old;
 
 	asm volatile(
+		"	mvc	0(16,%[psw_old]),0(%[psw_pgm])\n"
 		"	epsw	%0,%1\n"
-		"	st	%0,%[psw_pgm]\n"
-		"	st	%1,%[psw_pgm]+4\n"
+		"	st	%0,0(%[psw_pgm])\n"
+		"	st	%1,4(%[psw_pgm])\n"
 		"	larl	%0,1f\n"
-		"	stg	%0,%[psw_pgm]+8\n"
+		"	stg	%0,8(%[psw_pgm])\n"
 		"	diag	%[addr],%[subcode],0x308\n"
-		"1:	nopr	%%r7\n"
+		"1:	mvc	0(16,%[psw_pgm]),0(%[psw_old])\n"
 		: "=&d" (reg1), "=&a" (reg2),
-		  [psw_pgm] "=Q" (S390_lowcore.program_new_psw),
+		  "+Q" (S390_lowcore.program_new_psw),
+		  "=Q" (old),
 		  [addr] "+d" (_addr), "+d" (_rc)
-		: [subcode] "d" (subcode)
+		: [subcode] "d" (subcode),
+		  [psw_old] "a" (&old),
+		  [psw_pgm] "a" (&S390_lowcore.program_new_psw)
 		: "cc", "memory");
-	S390_lowcore.program_new_psw = old;
 	return _rc;
 }
 
diff --git a/arch/s390/boot/mem_detect.c b/arch/s390/boot/mem_detect.c
index 40168e59abd3..a0e980f57c02 100644
--- a/arch/s390/boot/mem_detect.c
+++ b/arch/s390/boot/mem_detect.c
@@ -69,24 +69,27 @@ static int __diag260(unsigned long rx1, unsigned long rx2)
 	register unsigned long _ry asm("4") = 0x10; /* storage configuration */
 	int rc = -1;				    /* fail */
 	unsigned long reg1, reg2;
-	psw_t old = S390_lowcore.program_new_psw;
+	psw_t old;
 
 	asm volatile(
+		"	mvc	0(16,%[psw_old]),0(%[psw_pgm])\n"
 		"	epsw	%0,%1\n"
-		"	st	%0,%[psw_pgm]\n"
-		"	st	%1,%[psw_pgm]+4\n"
+		"	st	%0,0(%[psw_pgm])\n"
+		"	st	%1,4(%[psw_pgm])\n"
 		"	larl	%0,1f\n"
-		"	stg	%0,%[psw_pgm]+8\n"
+		"	stg	%0,8(%[psw_pgm])\n"
 		"	diag	%[rx],%[ry],0x260\n"
 		"	ipm	%[rc]\n"
 		"	srl	%[rc],28\n"
-		"1:\n"
+		"1:	mvc	0(16,%[psw_pgm]),0(%[psw_old])\n"
 		: "=&d" (reg1), "=&a" (reg2),
-		  [psw_pgm] "=Q" (S390_lowcore.program_new_psw),
+		  "+Q" (S390_lowcore.program_new_psw),
+		  "=Q" (old),
 		  [rc] "+&d" (rc), [ry] "+d" (_ry)
-		: [rx] "d" (_rx1), "d" (_rx2)
+		: [rx] "d" (_rx1), "d" (_rx2),
+		  [psw_old] "a" (&old),
+		  [psw_pgm] "a" (&S390_lowcore.program_new_psw)
 		: "cc", "memory");
-	S390_lowcore.program_new_psw = old;
 	return rc == 0 ? _ry : -1;
 }
 
@@ -111,24 +114,30 @@ static int diag260(void)
 
 static int tprot(unsigned long addr)
 {
-	unsigned long pgm_addr;
+	unsigned long reg1, reg2;
 	int rc = -EFAULT;
-	psw_t old = S390_lowcore.program_new_psw;
+	psw_t old;
 
-	S390_lowcore.program_new_psw.mask = __extract_psw();
 	asm volatile(
-		"	larl	%[pgm_addr],1f\n"
-		"	stg	%[pgm_addr],%[psw_pgm_addr]\n"
+		"	mvc	0(16,%[psw_old]),0(%[psw_pgm])\n"
+		"	epsw	%[reg1],%[reg2]\n"
+		"	st	%[reg1],0(%[psw_pgm])\n"
+		"	st	%[reg2],4(%[psw_pgm])\n"
+		"	larl	%[reg1],1f\n"
+		"	stg	%[reg1],8(%[psw_pgm])\n"
 		"	tprot	0(%[addr]),0\n"
 		"	ipm	%[rc]\n"
 		"	srl	%[rc],28\n"
-		"1:\n"
-		: [pgm_addr] "=&d"(pgm_addr),
-		  [psw_pgm_addr] "=Q"(S390_lowcore.program_new_psw.addr),
-		  [rc] "+&d"(rc)
-		: [addr] "a"(addr)
+		"1:	mvc	0(16,%[psw_pgm]),0(%[psw_old])\n"
+		: [reg1] "=&d" (reg1),
+		  [reg2] "=&a" (reg2),
+		  [rc] "+&d" (rc),
+		  "=Q" (S390_lowcore.program_new_psw.addr),
+		  "=Q" (old)
+		: [psw_old] "a" (&old),
+		  [psw_pgm] "a" (&S390_lowcore.program_new_psw),
+		  [addr] "a" (addr)
 		: "cc", "memory");
-	S390_lowcore.program_new_psw = old;
 	return rc;
 }
 
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 023a15dc25a3..dbd380d81133 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -207,7 +207,7 @@ static __always_inline unsigned long current_stack_pointer(void)
 	return sp;
 }
 
-static __no_kasan_or_inline unsigned short stap(void)
+static __always_inline unsigned short stap(void)
 {
 	unsigned short cpu_address;
 
@@ -246,7 +246,7 @@ static inline void __load_psw(psw_t psw)
  * Set PSW mask to specified value, while leaving the
  * PSW addr pointing to the next instruction.
  */
-static __no_kasan_or_inline void __load_psw_mask(unsigned long mask)
+static __always_inline void __load_psw_mask(unsigned long mask)
 {
 	unsigned long addr;
 	psw_t psw;
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 382d73da134c..93538e63fa03 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -165,7 +165,7 @@ static void __init set_preferred_console(void)
 	else if (CONSOLE_IS_3270)
 		add_preferred_console("tty3270", 0, NULL);
 	else if (CONSOLE_IS_VT220)
-		add_preferred_console("ttyS", 1, NULL);
+		add_preferred_console("ttysclp", 0, NULL);
 	else if (CONSOLE_IS_HVC)
 		add_preferred_console("hvc", 0, NULL);
 }
diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile
index c57f8c40e992..21c4ebe29b9a 100644
--- a/arch/s390/purgatory/Makefile
+++ b/arch/s390/purgatory/Makefile
@@ -24,6 +24,7 @@ KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes
 KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare
 KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding
 KBUILD_CFLAGS += -c -MD -Os -m64 -msoft-float -fno-common
+KBUILD_CFLAGS += -fno-stack-protector
 KBUILD_CFLAGS += $(CLANG_FLAGS)
 KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
 KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS))
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c
index d8845d4aac6a..6040817c036f 100644
--- a/arch/um/drivers/chan_user.c
+++ b/arch/um/drivers/chan_user.c
@@ -256,7 +256,8 @@ static int winch_tramp(int fd, struct tty_port *port, int *fd_out,
 		goto out_close;
 	}
 
-	if (os_set_fd_block(*fd_out, 0)) {
+	err = os_set_fd_block(*fd_out, 0);
+	if (err) {
 		printk(UM_KERN_ERR "winch_tramp: failed to set thread_fd "
 		       "non-blocking.\n");
 		goto out_close;
diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c
index 482a19c5105c..7334019c9e60 100644
--- a/arch/um/drivers/slip_user.c
+++ b/arch/um/drivers/slip_user.c
@@ -145,7 +145,8 @@ static int slip_open(void *data)
 	}
 	sfd = err;
 
-	if (set_up_tty(sfd))
+	err = set_up_tty(sfd);
+	if (err)
 		goto out_close2;
 
 	pri->slave = sfd;
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 8e0b43cf089f..cbd4f00fe77e 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1242,8 +1242,7 @@ static int __init ubd_driver_init(void){
 		 * enough. So use anyway the io thread. */
 	}
 	stack = alloc_stack(0, 0);
-	io_pid = start_io_thread(stack + PAGE_SIZE - sizeof(void *),
-				 &thread_fd);
+	io_pid = start_io_thread(stack + PAGE_SIZE, &thread_fd);
 	if(io_pid < 0){
 		printk(KERN_ERR
 		       "ubd : Failed to start I/O thread (errno = %d) - "
diff --git a/arch/um/kernel/skas/clone.c b/arch/um/kernel/skas/clone.c
index 592cdb138441..5afac0fef24e 100644
--- a/arch/um/kernel/skas/clone.c
+++ b/arch/um/kernel/skas/clone.c
@@ -29,7 +29,7 @@ stub_clone_handler(void)
 	long err;
 
 	err = stub_syscall2(__NR_clone, CLONE_PARENT | CLONE_FILES | SIGCHLD,
-			    (unsigned long)data + UM_KERN_PAGE_SIZE / 2 - sizeof(void *));
+			    (unsigned long)data + UM_KERN_PAGE_SIZE / 2);
 	if (err) {
 		data->parent_err = err;
 		goto done;
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index 9fa6e4187d4f..32e88baf18dd 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -64,7 +64,7 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv)
 		goto out_close;
 	}
 
-	sp = stack + UM_KERN_PAGE_SIZE - sizeof(void *);
+	sp = stack + UM_KERN_PAGE_SIZE;
 	data.pre_exec = pre_exec;
 	data.pre_data = pre_data;
 	data.argv = argv;
@@ -120,7 +120,7 @@ int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags,
 	if (stack == 0)
 		return -ENOMEM;
 
-	sp = stack + UM_KERN_PAGE_SIZE - sizeof(void *);
+	sp = stack + UM_KERN_PAGE_SIZE;
 	pid = clone(proc, (void *) sp, flags, arg);
 	if (pid < 0) {
 		err = -errno;
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 96f511d1aabe..e283f130aadc 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -129,7 +129,7 @@ void set_sigstack(void *sig_stack, int size)
 	stack_t stack = {
 		.ss_flags = 0,
 		.ss_sp = sig_stack,
-		.ss_size = size - sizeof(void *)
+		.ss_size = size
 	};
 
 	if (sigaltstack(&stack, NULL) != 0)
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index fba674fac8b7..87d3129e7362 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -327,7 +327,7 @@ int start_userspace(unsigned long stub_stack)
 	}
 
 	/* set stack pointer to the end of the stack page, so it can grow downwards */
-	sp = (unsigned long) stack + UM_KERN_PAGE_SIZE - sizeof(void *);
+	sp = (unsigned long)stack + UM_KERN_PAGE_SIZE;
 
 	flags = CLONE_FILES | SIGCHLD;
 
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 16bf4d4a8159..4e5af2b00d89 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -103,6 +103,7 @@ static inline void fpstate_init_fxstate(struct fxregs_state *fx)
 }
 extern void fpstate_sanitize_xstate(struct fpu *fpu);
 
+/* Returns 0 or the negated trap number, which results in -EFAULT for #PF */
 #define user_insn(insn, output, input...)				\
 ({									\
 	int err;							\
@@ -110,14 +111,14 @@ extern void fpstate_sanitize_xstate(struct fpu *fpu);
 	might_fault();							\
 									\
 	asm volatile(ASM_STAC "\n"					\
-		     "1:" #insn "\n\t"					\
+		     "1: " #insn "\n"					\
 		     "2: " ASM_CLAC "\n"				\
 		     ".section .fixup,\"ax\"\n"				\
-		     "3:  movl $-1,%[err]\n"				\
+		     "3:  negl %%eax\n"					\
 		     "    jmp  2b\n"					\
 		     ".previous\n"					\
-		     _ASM_EXTABLE(1b, 3b)				\
-		     : [err] "=r" (err), output				\
+		     _ASM_EXTABLE_FAULT(1b, 3b)				\
+		     : [err] "=a" (err), output				\
 		     : "0"(0), input);					\
 	err;								\
 })
@@ -219,16 +220,20 @@ static inline void fxsave(struct fxregs_state *fx)
 #define XRSTOR		".byte " REX_PREFIX "0x0f,0xae,0x2f"
 #define XRSTORS		".byte " REX_PREFIX "0x0f,0xc7,0x1f"
 
+/*
+ * After this @err contains 0 on success or the negated trap number when
+ * the operation raises an exception. For faults this results in -EFAULT.
+ */
 #define XSTATE_OP(op, st, lmask, hmask, err)				\
 	asm volatile("1:" op "\n\t"					\
 		     "xor %[err], %[err]\n"				\
 		     "2:\n\t"						\
 		     ".pushsection .fixup,\"ax\"\n\t"			\
-		     "3: movl $-2,%[err]\n\t"				\
+		     "3: negl %%eax\n\t"				\
 		     "jmp 2b\n\t"					\
 		     ".popsection\n\t"					\
-		     _ASM_EXTABLE(1b, 3b)				\
-		     : [err] "=r" (err)					\
+		     _ASM_EXTABLE_FAULT(1b, 3b)				\
+		     : [err] "=a" (err)					\
 		     : "D" (st), "m" (*st), "a" (lmask), "d" (hmask)	\
 		     : "memory")
 
diff --git a/arch/x86/kernel/fpu/regset.c b/arch/x86/kernel/fpu/regset.c
index c413756ba89f..6bb874441de8 100644
--- a/arch/x86/kernel/fpu/regset.c
+++ b/arch/x86/kernel/fpu/regset.c
@@ -117,7 +117,7 @@ int xstateregs_set(struct task_struct *target, const struct user_regset *regset,
 	/*
 	 * A whole standard-format XSAVE buffer is needed:
 	 */
-	if ((pos != 0) || (count < fpu_user_xstate_size))
+	if (pos != 0 || count != fpu_user_xstate_size)
 		return -EFAULT;
 
 	xsave = &fpu->state.xsave;
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 1cadb2faf740..4819251ffe7c 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -1084,20 +1084,10 @@ static inline bool xfeatures_mxcsr_quirk(u64 xfeatures)
 	return true;
 }
 
-static void fill_gap(struct membuf *to, unsigned *last, unsigned offset)
+static void copy_feature(bool from_xstate, struct membuf *to, void *xstate,
+			 void *init_xstate, unsigned int size)
 {
-	if (*last >= offset)
-		return;
-	membuf_write(to, (void *)&init_fpstate.xsave + *last, offset - *last);
-	*last = offset;
-}
-
-static void copy_part(struct membuf *to, unsigned *last, unsigned offset,
-		      unsigned size, void *from)
-{
-	fill_gap(to, last, offset);
-	membuf_write(to, from, size);
-	*last = offset + size;
+	membuf_write(to, from_xstate ? xstate : init_xstate, size);
 }
 
 /*
@@ -1109,10 +1099,10 @@ static void copy_part(struct membuf *to, unsigned *last, unsigned offset,
  */
 void copy_xstate_to_kernel(struct membuf to, struct xregs_state *xsave)
 {
+	const unsigned int off_mxcsr = offsetof(struct fxregs_state, mxcsr);
+	struct xregs_state *xinit = &init_fpstate.xsave;
 	struct xstate_header header;
-	const unsigned off_mxcsr = offsetof(struct fxregs_state, mxcsr);
-	unsigned size = to.left;
-	unsigned last = 0;
+	unsigned int zerofrom;
 	int i;
 
 	/*
@@ -1122,41 +1112,68 @@ void copy_xstate_to_kernel(struct membuf to, struct xregs_state *xsave)
 	header.xfeatures = xsave->header.xfeatures;
 	header.xfeatures &= xfeatures_mask_user();
 
-	if (header.xfeatures & XFEATURE_MASK_FP)
-		copy_part(&to, &last, 0, off_mxcsr, &xsave->i387);
-	if (header.xfeatures & (XFEATURE_MASK_SSE | XFEATURE_MASK_YMM))
-		copy_part(&to, &last, off_mxcsr,
-			  MXCSR_AND_FLAGS_SIZE, &xsave->i387.mxcsr);
-	if (header.xfeatures & XFEATURE_MASK_FP)
-		copy_part(&to, &last, offsetof(struct fxregs_state, st_space),
-			  128, &xsave->i387.st_space);
-	if (header.xfeatures & XFEATURE_MASK_SSE)
-		copy_part(&to, &last, xstate_offsets[XFEATURE_SSE],
-			  256, &xsave->i387.xmm_space);
-	/*
-	 * Fill xsave->i387.sw_reserved value for ptrace frame:
-	 */
-	copy_part(&to, &last, offsetof(struct fxregs_state, sw_reserved),
-		  48, xstate_fx_sw_bytes);
-	/*
-	 * Copy xregs_state->header:
-	 */
-	copy_part(&to, &last, offsetof(struct xregs_state, header),
-		  sizeof(header), &header);
+	/* Copy FP state up to MXCSR */
+	copy_feature(header.xfeatures & XFEATURE_MASK_FP, &to, &xsave->i387,
+		     &xinit->i387, off_mxcsr);
+
+	/* Copy MXCSR when SSE or YMM are set in the feature mask */
+	copy_feature(header.xfeatures & (XFEATURE_MASK_SSE | XFEATURE_MASK_YMM),
+		     &to, &xsave->i387.mxcsr, &xinit->i387.mxcsr,
+		     MXCSR_AND_FLAGS_SIZE);
+
+	/* Copy the remaining FP state */
+	copy_feature(header.xfeatures & XFEATURE_MASK_FP,
+		     &to, &xsave->i387.st_space, &xinit->i387.st_space,
+		     sizeof(xsave->i387.st_space));
+
+	/* Copy the SSE state - shared with YMM, but independently managed */
+	copy_feature(header.xfeatures & XFEATURE_MASK_SSE,
+		     &to, &xsave->i387.xmm_space, &xinit->i387.xmm_space,
+		     sizeof(xsave->i387.xmm_space));
+
+	/* Zero the padding area */
+	membuf_zero(&to, sizeof(xsave->i387.padding));
+
+	/* Copy xsave->i387.sw_reserved */
+	membuf_write(&to, xstate_fx_sw_bytes, sizeof(xsave->i387.sw_reserved));
+
+	/* Copy the user space relevant state of @xsave->header */
+	membuf_write(&to, &header, sizeof(header));
+
+	zerofrom = offsetof(struct xregs_state, extended_state_area);
 
 	for (i = FIRST_EXTENDED_XFEATURE; i < XFEATURE_MAX; i++) {
 		/*
-		 * Copy only in-use xstates:
+		 * The ptrace buffer is in non-compacted XSAVE format.
+		 * In non-compacted format disabled features still occupy
+		 * state space, but there is no state to copy from in the
+		 * compacted init_fpstate. The gap tracking will zero this
+		 * later.
 		 */
-		if ((header.xfeatures >> i) & 1) {
-			void *src = __raw_xsave_addr(xsave, i);
+		if (!(xfeatures_mask_user() & BIT_ULL(i)))
+			continue;
 
-			copy_part(&to, &last, xstate_offsets[i],
-				  xstate_sizes[i], src);
-		}
+		/*
+		 * If there was a feature or alignment gap, zero the space
+		 * in the destination buffer.
+		 */
+		if (zerofrom < xstate_offsets[i])
+			membuf_zero(&to, xstate_offsets[i] - zerofrom);
+
+		copy_feature(header.xfeatures & BIT_ULL(i), &to,
+			     __raw_xsave_addr(xsave, i),
+			     __raw_xsave_addr(xinit, i),
+			     xstate_sizes[i]);
 
+		/*
+		 * Keep track of the last copied state in the non-compacted
+		 * target buffer for gap zeroing.
+		 */
+		zerofrom = xstate_offsets[i] + xstate_sizes[i];
 	}
-	fill_gap(&to, &last, size);
+
+	if (to.left)
+		membuf_zero(&to, to.left);
 }
 
 /*
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index a06cb107c0e8..ca3ab89be5cc 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -234,10 +234,11 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size,
 	     void __user **fpstate)
 {
 	/* Default to using normal stack */
+	bool nested_altstack = on_sig_stack(regs->sp);
+	bool entering_altstack = false;
 	unsigned long math_size = 0;
 	unsigned long sp = regs->sp;
 	unsigned long buf_fx = 0;
-	int onsigstack = on_sig_stack(sp);
 	int ret;
 
 	/* redzone */
@@ -246,15 +247,23 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size,
 
 	/* This is the X/Open sanctioned signal stack switching.  */
 	if (ka->sa.sa_flags & SA_ONSTACK) {
-		if (sas_ss_flags(sp) == 0)
+		/*
+		 * This checks nested_altstack via sas_ss_flags(). Sensible
+		 * programs use SS_AUTODISARM, which disables that check, and
+		 * programs that don't use SS_AUTODISARM get compatible.
+		 */
+		if (sas_ss_flags(sp) == 0) {
 			sp = current->sas_ss_sp + current->sas_ss_size;
+			entering_altstack = true;
+		}
 	} else if (IS_ENABLED(CONFIG_X86_32) &&
-		   !onsigstack &&
+		   !nested_altstack &&
 		   regs->ss != __USER_DS &&
 		   !(ka->sa.sa_flags & SA_RESTORER) &&
 		   ka->sa.sa_restorer) {
 		/* This is the legacy signal stack switching. */
 		sp = (unsigned long) ka->sa.sa_restorer;
+		entering_altstack = true;
 	}
 
 	sp = fpu__alloc_mathframe(sp, IS_ENABLED(CONFIG_X86_32),
@@ -267,8 +276,15 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size,
 	 * If we are on the alternate signal stack and would overflow it, don't.
 	 * Return an always-bogus address instead so we will die with SIGSEGV.
 	 */
-	if (onsigstack && !likely(on_sig_stack(sp)))
+	if (unlikely((nested_altstack || entering_altstack) &&
+		     !__on_sig_stack(sp))) {
+
+		if (show_unhandled_signals && printk_ratelimit())
+			pr_info("%s[%d] overflowed sigaltstack\n",
+				current->comm, task_pid_nr(current));
+
 		return (void __user *)-1L;
+	}
 
 	/* save i387 and extended state */
 	ret = copy_fpstate_to_sigframe(*fpstate, (void __user *)buf_fx, math_size);
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index c42613cfb5ba..ca7866d63e98 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -940,8 +940,21 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
 		unsigned virt_as = max((entry->eax >> 8) & 0xff, 48U);
 		unsigned phys_as = entry->eax & 0xff;
 
-		if (!g_phys_as)
+		/*
+		 * If TDP (NPT) is disabled use the adjusted host MAXPHYADDR as
+		 * the guest operates in the same PA space as the host, i.e.
+		 * reductions in MAXPHYADDR for memory encryption affect shadow
+		 * paging, too.
+		 *
+		 * If TDP is enabled but an explicit guest MAXPHYADDR is not
+		 * provided, use the raw bare metal MAXPHYADDR as reductions to
+		 * the HPAs do not affect GPAs.
+		 */
+		if (!tdp_enabled)
+			g_phys_as = boot_cpu_data.x86_phys_bits;
+		else if (!g_phys_as)
 			g_phys_as = phys_as;
+
 		entry->eax = g_phys_as | (virt_as << 8);
 		entry->edx = 0;
 		cpuid_entry_override(entry, CPUID_8000_0008_EBX);
@@ -964,12 +977,18 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
 	case 0x8000001a:
 	case 0x8000001e:
 		break;
-	/* Support memory encryption cpuid if host supports it */
 	case 0x8000001F:
-		if (!kvm_cpu_cap_has(X86_FEATURE_SEV))
+		if (!kvm_cpu_cap_has(X86_FEATURE_SEV)) {
 			entry->eax = entry->ebx = entry->ecx = entry->edx = 0;
-		else
+		} else {
 			cpuid_entry_override(entry, CPUID_8000_001F_EAX);
+
+			/*
+			 * Enumerate '0' for "PA bits reduction", the adjusted
+			 * MAXPHYADDR is enumerated directly (see 0x80000008).
+			 */
+			entry->ebx &= ~GENMASK(11, 6);
+		}
 		break;
 	/*Add support for Centaur's CPUID instruction*/
 	case 0xC0000000:
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 99afc6f1eed0..716266ab177f 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -53,6 +53,8 @@
 #include <asm/kvm_page_track.h>
 #include "trace.h"
 
+#include "paging.h"
+
 extern bool itlb_multihit_kvm_mitigation;
 
 static int __read_mostly nx_huge_pages = -1;
diff --git a/arch/x86/kvm/mmu/paging.h b/arch/x86/kvm/mmu/paging.h
new file mode 100644
index 000000000000..de8ab323bb70
--- /dev/null
+++ b/arch/x86/kvm/mmu/paging.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Shadow paging constants/helpers that don't need to be #undef'd. */
+#ifndef __KVM_X86_PAGING_H
+#define __KVM_X86_PAGING_H
+
+#define GUEST_PT64_BASE_ADDR_MASK (((1ULL << 52) - 1) & ~(u64)(PAGE_SIZE-1))
+#define PT64_LVL_ADDR_MASK(level) \
+	(GUEST_PT64_BASE_ADDR_MASK & ~((1ULL << (PAGE_SHIFT + (((level) - 1) \
+						* PT64_LEVEL_BITS))) - 1))
+#define PT64_LVL_OFFSET_MASK(level) \
+	(GUEST_PT64_BASE_ADDR_MASK & ((1ULL << (PAGE_SHIFT + (((level) - 1) \
+						* PT64_LEVEL_BITS))) - 1))
+#endif /* __KVM_X86_PAGING_H */
+
diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
index 52fffd68b522..45160fe80098 100644
--- a/arch/x86/kvm/mmu/paging_tmpl.h
+++ b/arch/x86/kvm/mmu/paging_tmpl.h
@@ -24,7 +24,7 @@
 	#define pt_element_t u64
 	#define guest_walker guest_walker64
 	#define FNAME(name) paging##64_##name
-	#define PT_BASE_ADDR_MASK PT64_BASE_ADDR_MASK
+	#define PT_BASE_ADDR_MASK GUEST_PT64_BASE_ADDR_MASK
 	#define PT_LVL_ADDR_MASK(lvl) PT64_LVL_ADDR_MASK(lvl)
 	#define PT_LVL_OFFSET_MASK(lvl) PT64_LVL_OFFSET_MASK(lvl)
 	#define PT_INDEX(addr, level) PT64_INDEX(addr, level)
@@ -57,7 +57,7 @@
 	#define pt_element_t u64
 	#define guest_walker guest_walkerEPT
 	#define FNAME(name) ept_##name
-	#define PT_BASE_ADDR_MASK PT64_BASE_ADDR_MASK
+	#define PT_BASE_ADDR_MASK GUEST_PT64_BASE_ADDR_MASK
 	#define PT_LVL_ADDR_MASK(lvl) PT64_LVL_ADDR_MASK(lvl)
 	#define PT_LVL_OFFSET_MASK(lvl) PT64_LVL_OFFSET_MASK(lvl)
 	#define PT_INDEX(addr, level) PT64_INDEX(addr, level)
diff --git a/arch/x86/kvm/mmu/spte.h b/arch/x86/kvm/mmu/spte.h
index bca0ba11cccf..6925dfc38981 100644
--- a/arch/x86/kvm/mmu/spte.h
+++ b/arch/x86/kvm/mmu/spte.h
@@ -38,12 +38,6 @@ static_assert(SPTE_TDP_AD_ENABLED_MASK == 0);
 #else
 #define PT64_BASE_ADDR_MASK (((1ULL << 52) - 1) & ~(u64)(PAGE_SIZE-1))
 #endif
-#define PT64_LVL_ADDR_MASK(level) \
-	(PT64_BASE_ADDR_MASK & ~((1ULL << (PAGE_SHIFT + (((level) - 1) \
-						* PT64_LEVEL_BITS))) - 1))
-#define PT64_LVL_OFFSET_MASK(level) \
-	(PT64_BASE_ADDR_MASK & ((1ULL << (PAGE_SHIFT + (((level) - 1) \
-						* PT64_LEVEL_BITS))) - 1))
 
 #define PT64_PERM_MASK (PT_PRESENT_MASK | PT_WRITABLE_MASK | shadow_user_mask \
 			| shadow_x_mask | shadow_nx_mask | shadow_me_mask)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index e088086f3de6..62f1f06fe197 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1897,7 +1897,7 @@ static int npf_interception(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	u64 fault_address = __sme_clr(svm->vmcb->control.exit_info_2);
+	u64 fault_address = svm->vmcb->control.exit_info_2;
 	u64 error_code = svm->vmcb->control.exit_info_1;
 
 	trace_kvm_page_fault(fault_address, error_code);
@@ -2080,6 +2080,11 @@ static int nmi_interception(struct kvm_vcpu *vcpu)
 	return 1;
 }
 
+static int smi_interception(struct kvm_vcpu *vcpu)
+{
+	return 1;
+}
+
 static int intr_interception(struct kvm_vcpu *vcpu)
 {
 	++vcpu->stat.irq_exits;
@@ -2915,7 +2920,16 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
 			svm_disable_lbrv(vcpu);
 		break;
 	case MSR_VM_HSAVE_PA:
-		svm->nested.hsave_msr = data;
+		/*
+		 * Old kernels did not validate the value written to
+		 * MSR_VM_HSAVE_PA.  Allow KVM_SET_MSR to set an invalid
+		 * value to allow live migrating buggy or malicious guests
+		 * originating from those kernels.
+		 */
+		if (!msr->host_initiated && !page_address_valid(vcpu, data))
+			return 1;
+
+		svm->nested.hsave_msr = data & PAGE_MASK;
 		break;
 	case MSR_VM_CR:
 		return svm_set_vm_cr(vcpu, data);
@@ -3054,8 +3068,7 @@ static int (*const svm_exit_handlers[])(struct kvm_vcpu *vcpu) = {
 	[SVM_EXIT_EXCP_BASE + GP_VECTOR]	= gp_interception,
 	[SVM_EXIT_INTR]				= intr_interception,
 	[SVM_EXIT_NMI]				= nmi_interception,
-	[SVM_EXIT_SMI]				= kvm_emulate_as_nop,
-	[SVM_EXIT_INIT]				= kvm_emulate_as_nop,
+	[SVM_EXIT_SMI]				= smi_interception,
 	[SVM_EXIT_VINTR]			= interrupt_window_interception,
 	[SVM_EXIT_RDPMC]			= kvm_emulate_rdpmc,
 	[SVM_EXIT_CPUID]			= kvm_emulate_cpuid,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index dad282fe0dac..b5a3de788b5f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9347,6 +9347,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
 		set_debugreg(vcpu->arch.eff_db[3], 3);
 		set_debugreg(vcpu->arch.dr6, 6);
 		vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD;
+	} else if (unlikely(hw_breakpoint_active())) {
+		set_debugreg(0, 7);
 	}
 
 	for (;;) {
diff --git a/block/blk-core.c b/block/blk-core.c
index 9bcdae93f6d4..ce0125efbaa7 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1253,7 +1253,7 @@ static void update_io_ticks(struct block_device *part, unsigned long now,
 	unsigned long stamp;
 again:
 	stamp = READ_ONCE(part->bd_stamp);
-	if (unlikely(stamp != now)) {
+	if (unlikely(time_after(now, stamp))) {
 		if (likely(cmpxchg(&part->bd_stamp, stamp, now) == stamp))
 			__part_stat_add(part, io_ticks, end ? now - stamp : 1);
 	}
diff --git a/block/genhd.c b/block/genhd.c
index 9f8cb7beaad1..ad7436bd60c1 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -402,12 +402,12 @@ void disk_uevent(struct gendisk *disk, enum kobject_action action)
 	xa_for_each(&disk->part_tbl, idx, part) {
 		if (bdev_is_partition(part) && !bdev_nr_sectors(part))
 			continue;
-		if (!bdgrab(part))
+		if (!kobject_get_unless_zero(&part->bd_device.kobj))
 			continue;
 
 		rcu_read_unlock();
 		kobject_uevent(bdev_kobj(part), action);
-		bdput(part);
+		put_device(&part->bd_device);
 		rcu_read_lock();
 	}
 	rcu_read_unlock();
diff --git a/block/partitions/ldm.c b/block/partitions/ldm.c
index d333786b5c7e..cc86534c80ad 100644
--- a/block/partitions/ldm.c
+++ b/block/partitions/ldm.c
@@ -510,7 +510,7 @@ static bool ldm_validate_partition_table(struct parsed_partitions *state)
 
 	p = (struct msdos_partition *)(data + 0x01BE);
 	for (i = 0; i < 4; i++, p++)
-		if (SYS_IND (p) == LDM_PARTITION) {
+		if (p->sys_ind == LDM_PARTITION) {
 			result = true;
 			break;
 		}
diff --git a/block/partitions/ldm.h b/block/partitions/ldm.h
index d8d6beaa72c4..8693704dcf5e 100644
--- a/block/partitions/ldm.h
+++ b/block/partitions/ldm.h
@@ -84,9 +84,6 @@ struct parsed_partitions;
 #define TOC_BITMAP1		"config"	/* Names of the two defined */
 #define TOC_BITMAP2		"log"		/* bitmaps in the TOCBLOCK. */
 
-/* Borrowed from msdos.c */
-#define SYS_IND(p)		(get_unaligned(&(p)->sys_ind))
-
 struct frag {				/* VBLK Fragment handling */
 	struct list_head list;
 	u32		group;
diff --git a/block/partitions/msdos.c b/block/partitions/msdos.c
index 8f2fcc080264..c94de377c502 100644
--- a/block/partitions/msdos.c
+++ b/block/partitions/msdos.c
@@ -38,8 +38,6 @@
  */
 #include <asm/unaligned.h>
 
-#define SYS_IND(p)	get_unaligned(&p->sys_ind)
-
 static inline sector_t nr_sects(struct msdos_partition *p)
 {
 	return (sector_t)get_unaligned_le32(&p->nr_sects);
@@ -52,9 +50,9 @@ static inline sector_t start_sect(struct msdos_partition *p)
 
 static inline int is_extended_partition(struct msdos_partition *p)
 {
-	return (SYS_IND(p) == DOS_EXTENDED_PARTITION ||
-		SYS_IND(p) == WIN98_EXTENDED_PARTITION ||
-		SYS_IND(p) == LINUX_EXTENDED_PARTITION);
+	return (p->sys_ind == DOS_EXTENDED_PARTITION ||
+		p->sys_ind == WIN98_EXTENDED_PARTITION ||
+		p->sys_ind == LINUX_EXTENDED_PARTITION);
 }
 
 #define MSDOS_LABEL_MAGIC1	0x55
@@ -193,7 +191,7 @@ static void parse_extended(struct parsed_partitions *state,
 
 			put_partition(state, state->next, next, size);
 			set_info(state, state->next, disksig);
-			if (SYS_IND(p) == LINUX_RAID_PARTITION)
+			if (p->sys_ind == LINUX_RAID_PARTITION)
 				state->parts[state->next].flags = ADDPART_FLAG_RAID;
 			loopct = 0;
 			if (++state->next == state->limit)
@@ -546,7 +544,7 @@ static void parse_minix(struct parsed_partitions *state,
 	 * a secondary MBR describing its subpartitions, or
 	 * the normal boot sector. */
 	if (msdos_magic_present(data + 510) &&
-	    SYS_IND(p) == MINIX_PARTITION) { /* subpartition table present */
+	    p->sys_ind == MINIX_PARTITION) { /* subpartition table present */
 		char tmp[1 + BDEVNAME_SIZE + 10 + 9 + 1];
 
 		snprintf(tmp, sizeof(tmp), " %s%d: <minix:", state->name, origin);
@@ -555,7 +553,7 @@ static void parse_minix(struct parsed_partitions *state,
 			if (state->next == state->limit)
 				break;
 			/* add each partition in use */
-			if (SYS_IND(p) == MINIX_PARTITION)
+			if (p->sys_ind == MINIX_PARTITION)
 				put_partition(state, state->next++,
 					      start_sect(p), nr_sects(p));
 		}
@@ -643,7 +641,7 @@ int msdos_partition(struct parsed_partitions *state)
 	p = (struct msdos_partition *) (data + 0x1be);
 	for (slot = 1 ; slot <= 4 ; slot++, p++) {
 		/* If this is an EFI GPT disk, msdos should ignore it. */
-		if (SYS_IND(p) == EFI_PMBR_OSTYPE_EFI_GPT) {
+		if (p->sys_ind == EFI_PMBR_OSTYPE_EFI_GPT) {
 			put_dev_sector(sect);
 			return 0;
 		}
@@ -685,11 +683,11 @@ int msdos_partition(struct parsed_partitions *state)
 		}
 		put_partition(state, slot, start, size);
 		set_info(state, slot, disksig);
-		if (SYS_IND(p) == LINUX_RAID_PARTITION)
+		if (p->sys_ind == LINUX_RAID_PARTITION)
 			state->parts[slot].flags = ADDPART_FLAG_RAID;
-		if (SYS_IND(p) == DM6_PARTITION)
+		if (p->sys_ind == DM6_PARTITION)
 			strlcat(state->pp_buf, "[DM]", PAGE_SIZE);
-		if (SYS_IND(p) == EZD_PARTITION)
+		if (p->sys_ind == EZD_PARTITION)
 			strlcat(state->pp_buf, "[EZD]", PAGE_SIZE);
 	}
 
@@ -698,7 +696,7 @@ int msdos_partition(struct parsed_partitions *state)
 	/* second pass - output for each on a separate line */
 	p = (struct msdos_partition *) (0x1be + data);
 	for (slot = 1 ; slot <= 4 ; slot++, p++) {
-		unsigned char id = SYS_IND(p);
+		unsigned char id = p->sys_ind;
 		int n;
 
 		if (!nr_sects(p))
diff --git a/drivers/acpi/acpi_amba.c b/drivers/acpi/acpi_amba.c
index 49b781a9cd97..ab8a4e0191b1 100644
--- a/drivers/acpi/acpi_amba.c
+++ b/drivers/acpi/acpi_amba.c
@@ -76,6 +76,7 @@ static int amba_handler_attach(struct acpi_device *adev,
 		case IORESOURCE_MEM:
 			if (!address_found) {
 				dev->res = *rentry->res;
+				dev->res.name = dev_name(&dev->dev);
 				address_found = true;
 			}
 			break;
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 0c884020f74b..08a51dd285c4 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -540,6 +540,15 @@ static const struct dmi_system_id video_dmi_table[] = {
 		DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V131"),
 		},
 	},
+	{
+	 .callback = video_set_report_key_events,
+	 .driver_data = (void *)((uintptr_t)REPORT_BRIGHTNESS_KEY_EVENTS),
+	 .ident = "Dell Vostro 3350",
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3350"),
+		},
+	},
 	/*
 	 * Some machines change the brightness themselves when a brightness
 	 * hotkey gets pressed, despite us telling them not to. In this case
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index c1179edc0f3b..921312a8d957 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -18,10 +18,11 @@
 #include <linux/cpumask.h>
 #include <linux/init.h>
 #include <linux/percpu.h>
+#include <linux/rcupdate.h>
 #include <linux/sched.h>
 #include <linux/smp.h>
 
-static DEFINE_PER_CPU(struct scale_freq_data *, sft_data);
+static DEFINE_PER_CPU(struct scale_freq_data __rcu *, sft_data);
 static struct cpumask scale_freq_counters_mask;
 static bool scale_freq_invariant;
 
@@ -66,16 +67,20 @@ void topology_set_scale_freq_source(struct scale_freq_data *data,
 	if (cpumask_empty(&scale_freq_counters_mask))
 		scale_freq_invariant = topology_scale_freq_invariant();
 
+	rcu_read_lock();
+
 	for_each_cpu(cpu, cpus) {
-		sfd = per_cpu(sft_data, cpu);
+		sfd = rcu_dereference(*per_cpu_ptr(&sft_data, cpu));
 
 		/* Use ARCH provided counters whenever possible */
 		if (!sfd || sfd->source != SCALE_FREQ_SOURCE_ARCH) {
-			per_cpu(sft_data, cpu) = data;
+			rcu_assign_pointer(per_cpu(sft_data, cpu), data);
 			cpumask_set_cpu(cpu, &scale_freq_counters_mask);
 		}
 	}
 
+	rcu_read_unlock();
+
 	update_scale_freq_invariant(true);
 }
 EXPORT_SYMBOL_GPL(topology_set_scale_freq_source);
@@ -86,22 +91,32 @@ void topology_clear_scale_freq_source(enum scale_freq_source source,
 	struct scale_freq_data *sfd;
 	int cpu;
 
+	rcu_read_lock();
+
 	for_each_cpu(cpu, cpus) {
-		sfd = per_cpu(sft_data, cpu);
+		sfd = rcu_dereference(*per_cpu_ptr(&sft_data, cpu));
 
 		if (sfd && sfd->source == source) {
-			per_cpu(sft_data, cpu) = NULL;
+			rcu_assign_pointer(per_cpu(sft_data, cpu), NULL);
 			cpumask_clear_cpu(cpu, &scale_freq_counters_mask);
 		}
 	}
 
+	rcu_read_unlock();
+
+	/*
+	 * Make sure all references to previous sft_data are dropped to avoid
+	 * use-after-free races.
+	 */
+	synchronize_rcu();
+
 	update_scale_freq_invariant(false);
 }
 EXPORT_SYMBOL_GPL(topology_clear_scale_freq_source);
 
 void topology_scale_freq_tick(void)
 {
-	struct scale_freq_data *sfd = *this_cpu_ptr(&sft_data);
+	struct scale_freq_data *sfd = rcu_dereference_sched(*this_cpu_ptr(&sft_data));
 
 	if (sfd)
 		sfd->set_freq_scale();
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index b9fa3ef5b57c..425bae618131 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -948,6 +948,8 @@ static int virtblk_freeze(struct virtio_device *vdev)
 	blk_mq_quiesce_queue(vblk->disk->queue);
 
 	vdev->config->del_vqs(vdev);
+	kfree(vblk->vqs);
+
 	return 0;
 }
 
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 59dfd9c421a1..7eaf303a7a86 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -475,7 +475,7 @@ static struct port_buffer *get_inbuf(struct port *port)
 
 	buf = virtqueue_get_buf(port->in_vq, &len);
 	if (buf) {
-		buf->len = len;
+		buf->len = min_t(size_t, len, buf->size);
 		buf->offset = 0;
 		port->stats.bytes_received += len;
 	}
@@ -1709,7 +1709,7 @@ static void control_work_handler(struct work_struct *work)
 	while ((buf = virtqueue_get_buf(vq, &len))) {
 		spin_unlock(&portdev->c_ivq_lock);
 
-		buf->len = len;
+		buf->len = min_t(size_t, len, buf->size);
 		buf->offset = 0;
 
 		handle_control_message(vq->vdev, portdev, buf);
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index 2f769b1630c5..a27445f40d2c 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -182,6 +182,16 @@ static int cppc_verify_policy(struct cpufreq_policy_data *policy)
 	return 0;
 }
 
+static void cppc_cpufreq_put_cpu_data(struct cpufreq_policy *policy)
+{
+	struct cppc_cpudata *cpu_data = policy->driver_data;
+
+	list_del(&cpu_data->node);
+	free_cpumask_var(cpu_data->shared_cpu_map);
+	kfree(cpu_data);
+	policy->driver_data = NULL;
+}
+
 static void cppc_cpufreq_stop_cpu(struct cpufreq_policy *policy)
 {
 	struct cppc_cpudata *cpu_data = policy->driver_data;
@@ -196,11 +206,7 @@ static void cppc_cpufreq_stop_cpu(struct cpufreq_policy *policy)
 		pr_debug("Err setting perf value:%d on CPU:%d. ret:%d\n",
 			 caps->lowest_perf, cpu, ret);
 
-	/* Remove CPU node from list and free driver data for policy */
-	free_cpumask_var(cpu_data->shared_cpu_map);
-	list_del(&cpu_data->node);
-	kfree(policy->driver_data);
-	policy->driver_data = NULL;
+	cppc_cpufreq_put_cpu_data(policy);
 }
 
 /*
@@ -330,7 +336,8 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	default:
 		pr_debug("Unsupported CPU co-ord type: %d\n",
 			 policy->shared_type);
-		return -EFAULT;
+		ret = -EFAULT;
+		goto out;
 	}
 
 	/*
@@ -345,10 +352,16 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	cpu_data->perf_ctrls.desired_perf =  caps->highest_perf;
 
 	ret = cppc_set_perf(cpu, &cpu_data->perf_ctrls);
-	if (ret)
+	if (ret) {
 		pr_debug("Err setting perf value:%d on CPU:%d. ret:%d\n",
 			 caps->highest_perf, cpu, ret);
+		goto out;
+	}
 
+	return 0;
+
+out:
+	cppc_cpufreq_put_cpu_data(policy);
 	return ret;
 }
 
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index c8a4364ad3c2..ec9a87ca2dbb 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -174,7 +174,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy)
 		nr_opp = dev_pm_opp_get_opp_count(cpu_dev);
 		if (nr_opp <= 0) {
 			dev_err(cpu_dev, "%s: No OPPs for this device: %d\n",
-				__func__, ret);
+				__func__, nr_opp);
 
 			ret = -ENODEV;
 			goto out_free_opp;
diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c
index ed2ab46b15e7..045ead46ec8f 100644
--- a/drivers/dma/fsl-qdma.c
+++ b/drivers/dma/fsl-qdma.c
@@ -1235,7 +1235,11 @@ static int fsl_qdma_probe(struct platform_device *pdev)
 	fsl_qdma->dma_dev.device_synchronize = fsl_qdma_synchronize;
 	fsl_qdma->dma_dev.device_terminate_all = fsl_qdma_terminate_all;
 
-	dma_set_mask(&pdev->dev, DMA_BIT_MASK(40));
+	ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(40));
+	if (ret) {
+		dev_err(&pdev->dev, "dma_set_mask failure.\n");
+		return ret;
+	}
 
 	platform_set_drvdata(pdev, fsl_qdma);
 
diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
index 91164c5f0757..2fc4c3f91fd5 100644
--- a/drivers/edac/Kconfig
+++ b/drivers/edac/Kconfig
@@ -271,7 +271,7 @@ config EDAC_PND2
 config EDAC_IGEN6
 	tristate "Intel client SoC Integrated MC"
 	depends on PCI && PCI_MMCONFIG && ARCH_HAVE_NMI_SAFE_CMPXCHG
-	depends on X64_64 && X86_MCE_INTEL
+	depends on X86_64 && X86_MCE_INTEL
 	help
 	  Support for error detection and correction on the Intel
 	  client SoC Integrated Memory Controller using In-Band ECC IP.
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index 66eb3f0e5daf..c2983ed53494 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -335,6 +335,10 @@ static void scmi_handle_response(struct scmi_chan_info *cinfo,
 		return;
 	}
 
+	/* rx.len could be shrunk in the sync do_xfer, so reset to maxsz */
+	if (msg_type == MSG_TYPE_DELAYED_RESP)
+		xfer->rx.len = info->desc->max_msg_size;
+
 	scmi_dump_header_dbg(dev, &xfer->hdr);
 
 	info->desc->ops->fetch_response(cinfo, xfer);
@@ -513,8 +517,12 @@ static int do_xfer_with_response(const struct scmi_protocol_handle *ph,
 	xfer->async_done = &async_response;
 
 	ret = do_xfer(ph, xfer);
-	if (!ret && !wait_for_completion_timeout(xfer->async_done, timeout))
-		ret = -ETIMEDOUT;
+	if (!ret) {
+		if (!wait_for_completion_timeout(xfer->async_done, timeout))
+			ret = -ETIMEDOUT;
+		else if (xfer->hdr.status)
+			ret = scmi_to_linux_errno(xfer->hdr.status);
+	}
 
 	xfer->async_done = NULL;
 	return ret;
diff --git a/drivers/firmware/tegra/bpmp-tegra210.c b/drivers/firmware/tegra/bpmp-tegra210.c
index ae15940a078e..c32754055c60 100644
--- a/drivers/firmware/tegra/bpmp-tegra210.c
+++ b/drivers/firmware/tegra/bpmp-tegra210.c
@@ -210,7 +210,7 @@ static int tegra210_bpmp_init(struct tegra_bpmp *bpmp)
 	priv->tx_irq_data = irq_get_irq_data(err);
 	if (!priv->tx_irq_data) {
 		dev_err(&pdev->dev, "failed to get IRQ data for TX IRQ\n");
-		return err;
+		return -ENOENT;
 	}
 
 	err = platform_get_irq_byname(pdev, "rx");
diff --git a/drivers/firmware/turris-mox-rwtm.c b/drivers/firmware/turris-mox-rwtm.c
index 62f0d1a5dd32..1cf4f1087492 100644
--- a/drivers/firmware/turris-mox-rwtm.c
+++ b/drivers/firmware/turris-mox-rwtm.c
@@ -147,11 +147,14 @@ MOX_ATTR_RO(pubkey, "%s\n", pubkey);
 
 static int mox_get_status(enum mbox_cmd cmd, u32 retval)
 {
-	if (MBOX_STS_CMD(retval) != cmd ||
-	    MBOX_STS_ERROR(retval) != MBOX_STS_SUCCESS)
+	if (MBOX_STS_CMD(retval) != cmd)
 		return -EIO;
 	else if (MBOX_STS_ERROR(retval) == MBOX_STS_FAIL)
 		return -(int)MBOX_STS_VALUE(retval);
+	else if (MBOX_STS_ERROR(retval) == MBOX_STS_BADCMD)
+		return -ENOSYS;
+	else if (MBOX_STS_ERROR(retval) != MBOX_STS_SUCCESS)
+		return -EIO;
 	else
 		return MBOX_STS_VALUE(retval);
 }
@@ -201,11 +204,14 @@ static int mox_get_board_info(struct mox_rwtm *rwtm)
 		return ret;
 
 	ret = mox_get_status(MBOX_CMD_BOARD_INFO, reply->retval);
-	if (ret < 0 && ret != -ENODATA) {
-		return ret;
-	} else if (ret == -ENODATA) {
+	if (ret == -ENODATA) {
 		dev_warn(rwtm->dev,
 			 "Board does not have manufacturing information burned!\n");
+	} else if (ret == -ENOSYS) {
+		dev_notice(rwtm->dev,
+			   "Firmware does not support the BOARD_INFO command\n");
+	} else if (ret < 0) {
+		return ret;
 	} else {
 		rwtm->serial_number = reply->status[1];
 		rwtm->serial_number <<= 32;
@@ -234,10 +240,13 @@ static int mox_get_board_info(struct mox_rwtm *rwtm)
 		return ret;
 
 	ret = mox_get_status(MBOX_CMD_ECDSA_PUB_KEY, reply->retval);
-	if (ret < 0 && ret != -ENODATA) {
-		return ret;
-	} else if (ret == -ENODATA) {
+	if (ret == -ENODATA) {
 		dev_warn(rwtm->dev, "Board has no public key burned!\n");
+	} else if (ret == -ENOSYS) {
+		dev_notice(rwtm->dev,
+			   "Firmware does not support the ECDSA_PUB_KEY command\n");
+	} else if (ret < 0) {
+		return ret;
 	} else {
 		u32 *s = reply->status;
 
@@ -251,6 +260,27 @@ static int mox_get_board_info(struct mox_rwtm *rwtm)
 	return 0;
 }
 
+static int check_get_random_support(struct mox_rwtm *rwtm)
+{
+	struct armada_37xx_rwtm_tx_msg msg;
+	int ret;
+
+	msg.command = MBOX_CMD_GET_RANDOM;
+	msg.args[0] = 1;
+	msg.args[1] = rwtm->buf_phys;
+	msg.args[2] = 4;
+
+	ret = mbox_send_message(rwtm->mbox, &msg);
+	if (ret < 0)
+		return ret;
+
+	ret = wait_for_completion_timeout(&rwtm->cmd_done, HZ / 2);
+	if (ret < 0)
+		return ret;
+
+	return mox_get_status(MBOX_CMD_GET_RANDOM, rwtm->reply.retval);
+}
+
 static int mox_hwrng_read(struct hwrng *rng, void *data, size_t max, bool wait)
 {
 	struct mox_rwtm *rwtm = (struct mox_rwtm *) rng->priv;
@@ -488,6 +518,13 @@ static int turris_mox_rwtm_probe(struct platform_device *pdev)
 	if (ret < 0)
 		dev_warn(dev, "Cannot read board information: %i\n", ret);
 
+	ret = check_get_random_support(rwtm);
+	if (ret < 0) {
+		dev_notice(dev,
+			   "Firmware does not support the GET_RANDOM command\n");
+		goto free_channel;
+	}
+
 	rwtm->hwrng.name = DRIVER_NAME "_hwrng";
 	rwtm->hwrng.read = mox_hwrng_read;
 	rwtm->hwrng.priv = (unsigned long) rwtm;
@@ -505,6 +542,8 @@ static int turris_mox_rwtm_probe(struct platform_device *pdev)
 		goto free_channel;
 	}
 
+	dev_info(dev, "HWRNG successfully registered\n");
+
 	return 0;
 
 free_channel:
diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c
index 90dbe58ca1ed..dbad73162c83 100644
--- a/drivers/fsi/fsi-master-aspeed.c
+++ b/drivers/fsi/fsi-master-aspeed.c
@@ -645,6 +645,7 @@ static const struct of_device_id fsi_master_aspeed_match[] = {
 	{ .compatible = "aspeed,ast2600-fsi-master" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, fsi_master_aspeed_match);
 
 static struct platform_driver fsi_master_aspeed_driver = {
 	.driver = {
diff --git a/drivers/fsi/fsi-master-ast-cf.c b/drivers/fsi/fsi-master-ast-cf.c
index 57a779a89b07..70c03e304d6c 100644
--- a/drivers/fsi/fsi-master-ast-cf.c
+++ b/drivers/fsi/fsi-master-ast-cf.c
@@ -1427,6 +1427,7 @@ static const struct of_device_id fsi_master_acf_match[] = {
 	{ .compatible = "aspeed,ast2500-cf-fsi-master" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, fsi_master_acf_match);
 
 static struct platform_driver fsi_master_acf = {
 	.driver = {
diff --git a/drivers/fsi/fsi-master-gpio.c b/drivers/fsi/fsi-master-gpio.c
index aa97c4a250cb..7d5f29b4b595 100644
--- a/drivers/fsi/fsi-master-gpio.c
+++ b/drivers/fsi/fsi-master-gpio.c
@@ -882,6 +882,7 @@ static const struct of_device_id fsi_master_gpio_match[] = {
 	{ .compatible = "fsi-master-gpio" },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, fsi_master_gpio_match);
 
 static struct platform_driver fsi_master_gpio_driver = {
 	.driver = {
diff --git a/drivers/fsi/fsi-occ.c b/drivers/fsi/fsi-occ.c
index cb05b6dacc9d..dc74bffedd72 100644
--- a/drivers/fsi/fsi-occ.c
+++ b/drivers/fsi/fsi-occ.c
@@ -636,6 +636,7 @@ static const struct of_device_id occ_match[] = {
 	},
 	{ },
 };
+MODULE_DEVICE_TABLE(of, occ_match);
 
 static struct platform_driver occ_driver = {
 	.driver = {
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index c91d05651596..f5cfc0698799 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -1241,6 +1241,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
 
 	{ .compatible = "onnn,cat9554", .data = OF_953X( 8, PCA_INT), },
 	{ .compatible = "onnn,pca9654", .data = OF_953X( 8, PCA_INT), },
+	{ .compatible = "onnn,pca9655", .data = OF_953X(16, PCA_INT), },
 
 	{ .compatible = "exar,xra1202", .data = OF_953X( 8, 0), },
 	{ }
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index 3521c1dc3ac0..c288a7502de2 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -736,6 +736,11 @@ static int __maybe_unused zynq_gpio_suspend(struct device *dev)
 	struct zynq_gpio *gpio = dev_get_drvdata(dev);
 	struct irq_data *data = irq_get_irq_data(gpio->irq);
 
+	if (!data) {
+		dev_err(dev, "irq_get_irq_data() failed\n");
+		return -EINVAL;
+	}
+
 	if (!device_may_wakeup(dev))
 		disable_irq(gpio->irq);
 
@@ -753,6 +758,11 @@ static int __maybe_unused zynq_gpio_resume(struct device *dev)
 	struct irq_data *data = irq_get_irq_data(gpio->irq);
 	int ret;
 
+	if (!data) {
+		dev_err(dev, "irq_get_irq_data() failed\n");
+		return -EINVAL;
+	}
+
 	if (!device_may_wakeup(dev))
 		enable_irq(gpio->irq);
 
@@ -1001,8 +1011,11 @@ static int zynq_gpio_probe(struct platform_device *pdev)
 static int zynq_gpio_remove(struct platform_device *pdev)
 {
 	struct zynq_gpio *gpio = platform_get_drvdata(pdev);
+	int ret;
 
-	pm_runtime_get_sync(&pdev->dev);
+	ret = pm_runtime_get_sync(&pdev->dev);
+	if (ret < 0)
+		dev_warn(&pdev->dev, "pm_runtime_get_sync() Failed\n");
 	gpiochip_remove(&gpio->chip);
 	clk_disable_unprepare(gpio->clk);
 	device_set_wakeup_capable(&pdev->dev, 0);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index c576902ccf8e..9dfed9d560dc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1148,6 +1148,7 @@ static const struct pci_device_id pciidlist[] = {
 	{0x1002, 0x734F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14},
 
 	/* Renoir */
+	{0x1002, 0x15E7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU},
 	{0x1002, 0x1636, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU},
 	{0x1002, 0x1638, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU},
 	{0x1002, 0x164C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU},
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 0597aeb5f0e8..9ea5b4d2fe8b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -7846,6 +7846,97 @@ static void gfx_v10_0_update_fine_grain_clock_gating(struct amdgpu_device *adev,
 	}
 }
 
+static void gfx_v10_0_apply_medium_grain_clock_gating_workaround(struct amdgpu_device *adev)
+{
+	uint32_t reg_data = 0;
+	uint32_t reg_idx = 0;
+	uint32_t i;
+
+	const uint32_t tcp_ctrl_regs[] = {
+		mmCGTS_SA0_WGP00_CU0_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP00_CU1_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP01_CU0_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP01_CU1_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP02_CU0_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP02_CU1_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP10_CU0_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP10_CU1_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP11_CU0_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP11_CU1_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP12_CU0_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP12_CU1_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP00_CU0_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP00_CU1_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP01_CU0_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP01_CU1_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP02_CU0_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP02_CU1_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP10_CU0_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP10_CU1_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP11_CU0_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP11_CU1_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP12_CU0_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP12_CU1_TCP_CTRL_REG
+	};
+
+	const uint32_t tcp_ctrl_regs_nv12[] = {
+		mmCGTS_SA0_WGP00_CU0_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP00_CU1_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP01_CU0_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP01_CU1_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP02_CU0_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP02_CU1_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP10_CU0_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP10_CU1_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP11_CU0_TCP_CTRL_REG,
+		mmCGTS_SA0_WGP11_CU1_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP00_CU0_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP00_CU1_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP01_CU0_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP01_CU1_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP02_CU0_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP02_CU1_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP10_CU0_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP10_CU1_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP11_CU0_TCP_CTRL_REG,
+		mmCGTS_SA1_WGP11_CU1_TCP_CTRL_REG,
+	};
+
+	const uint32_t sm_ctlr_regs[] = {
+		mmCGTS_SA0_QUAD0_SM_CTRL_REG,
+		mmCGTS_SA0_QUAD1_SM_CTRL_REG,
+		mmCGTS_SA1_QUAD0_SM_CTRL_REG,
+		mmCGTS_SA1_QUAD1_SM_CTRL_REG
+	};
+
+	if (adev->asic_type == CHIP_NAVI12) {
+		for (i = 0; i < ARRAY_SIZE(tcp_ctrl_regs_nv12); i++) {
+			reg_idx = adev->reg_offset[GC_HWIP][0][mmCGTS_SA0_WGP00_CU0_TCP_CTRL_REG_BASE_IDX] +
+				  tcp_ctrl_regs_nv12[i];
+			reg_data = RREG32(reg_idx);
+			reg_data |= CGTS_SA0_WGP00_CU0_TCP_CTRL_REG__TCPI_LS_OVERRIDE_MASK;
+			WREG32(reg_idx, reg_data);
+		}
+	} else {
+		for (i = 0; i < ARRAY_SIZE(tcp_ctrl_regs); i++) {
+			reg_idx = adev->reg_offset[GC_HWIP][0][mmCGTS_SA0_WGP00_CU0_TCP_CTRL_REG_BASE_IDX] +
+				  tcp_ctrl_regs[i];
+			reg_data = RREG32(reg_idx);
+			reg_data |= CGTS_SA0_WGP00_CU0_TCP_CTRL_REG__TCPI_LS_OVERRIDE_MASK;
+			WREG32(reg_idx, reg_data);
+		}
+	}
+
+	for (i = 0; i < ARRAY_SIZE(sm_ctlr_regs); i++) {
+		reg_idx = adev->reg_offset[GC_HWIP][0][mmCGTS_SA0_QUAD0_SM_CTRL_REG_BASE_IDX] +
+			  sm_ctlr_regs[i];
+		reg_data = RREG32(reg_idx);
+		reg_data &= ~CGTS_SA0_QUAD0_SM_CTRL_REG__SM_MODE_MASK;
+		reg_data |= 2 << CGTS_SA0_QUAD0_SM_CTRL_REG__SM_MODE__SHIFT;
+		WREG32(reg_idx, reg_data);
+	}
+}
+
 static int gfx_v10_0_update_gfx_clock_gating(struct amdgpu_device *adev,
 					    bool enable)
 {
@@ -7862,6 +7953,10 @@ static int gfx_v10_0_update_gfx_clock_gating(struct amdgpu_device *adev,
 		gfx_v10_0_update_3d_clock_gating(adev, enable);
 		/* ===  CGCG + CGLS === */
 		gfx_v10_0_update_coarse_grain_clock_gating(adev, enable);
+
+		if ((adev->asic_type >= CHIP_NAVI10) &&
+		     (adev->asic_type <= CHIP_NAVI12))
+			gfx_v10_0_apply_medium_grain_clock_gating_workaround(adev);
 	} else {
 		/* CGCG/CGLS should be disabled before MGCG/MGLS
 		 * ===  CGCG + CGLS ===
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index d97e330a5022..7fe746c5a2b8 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -452,13 +452,9 @@ static const struct sysfs_ops procfs_stats_ops = {
 	.show = kfd_procfs_stats_show,
 };
 
-static struct attribute *procfs_stats_attrs[] = {
-	NULL
-};
-
 static struct kobj_type procfs_stats_type = {
 	.sysfs_ops = &procfs_stats_ops,
-	.default_attrs = procfs_stats_attrs,
+	.release = kfd_procfs_kobj_release,
 };
 
 int kfd_procfs_add_queue(struct queue *q)
@@ -984,9 +980,11 @@ static void kfd_process_wq_release(struct work_struct *work)
 
 			sysfs_remove_file(p->kobj, &pdd->attr_vram);
 			sysfs_remove_file(p->kobj, &pdd->attr_sdma);
-			sysfs_remove_file(p->kobj, &pdd->attr_evict);
-			if (pdd->dev->kfd2kgd->get_cu_occupancy != NULL)
-				sysfs_remove_file(p->kobj, &pdd->attr_cu_occupancy);
+
+			sysfs_remove_file(pdd->kobj_stats, &pdd->attr_evict);
+			if (pdd->dev->kfd2kgd->get_cu_occupancy)
+				sysfs_remove_file(pdd->kobj_stats,
+						  &pdd->attr_cu_occupancy);
 			kobject_del(pdd->kobj_stats);
 			kobject_put(pdd->kobj_stats);
 			pdd->kobj_stats = NULL;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
index 95a6c36cea4c..243dd1efcdbf 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -153,6 +153,7 @@ void pqm_uninit(struct process_queue_manager *pqm)
 		if (pqn->q && pqn->q->gws)
 			amdgpu_amdkfd_remove_gws_from_process(pqm->process->kgd_process_info,
 				pqn->q->gws);
+		kfd_procfs_del_queue(pqn->q);
 		uninit_queue(pqn->q);
 		list_del(&pqn->process_queue_list);
 		kfree(pqn);
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 159014455fab..a68dc25a19c6 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -94,6 +94,9 @@ static int drm_dp_mst_register_i2c_bus(struct drm_dp_mst_port *port);
 static void drm_dp_mst_unregister_i2c_bus(struct drm_dp_mst_port *port);
 static void drm_dp_mst_kick_tx(struct drm_dp_mst_topology_mgr *mgr);
 
+static bool drm_dp_mst_port_downstream_of_branch(struct drm_dp_mst_port *port,
+						 struct drm_dp_mst_branch *branch);
+
 #define DBG_PREFIX "[dp_mst]"
 
 #define DP_STR(x) [DP_ ## x] = #x
@@ -2497,7 +2500,7 @@ drm_dp_mst_handle_conn_stat(struct drm_dp_mst_branch *mstb,
 {
 	struct drm_dp_mst_topology_mgr *mgr = mstb->mgr;
 	struct drm_dp_mst_port *port;
-	int old_ddps, old_input, ret, i;
+	int old_ddps, ret;
 	u8 new_pdt;
 	bool new_mcs;
 	bool dowork = false, create_connector = false;
@@ -2529,7 +2532,6 @@ drm_dp_mst_handle_conn_stat(struct drm_dp_mst_branch *mstb,
 	}
 
 	old_ddps = port->ddps;
-	old_input = port->input;
 	port->input = conn_stat->input_port;
 	port->ldps = conn_stat->legacy_device_plug_status;
 	port->ddps = conn_stat->displayport_device_plug_status;
@@ -2552,28 +2554,6 @@ drm_dp_mst_handle_conn_stat(struct drm_dp_mst_branch *mstb,
 		dowork = false;
 	}
 
-	if (!old_input && old_ddps != port->ddps && !port->ddps) {
-		for (i = 0; i < mgr->max_payloads; i++) {
-			struct drm_dp_vcpi *vcpi = mgr->proposed_vcpis[i];
-			struct drm_dp_mst_port *port_validated;
-
-			if (!vcpi)
-				continue;
-
-			port_validated =
-				container_of(vcpi, struct drm_dp_mst_port, vcpi);
-			port_validated =
-				drm_dp_mst_topology_get_port_validated(mgr, port_validated);
-			if (!port_validated) {
-				mutex_lock(&mgr->payload_lock);
-				vcpi->num_slots = 0;
-				mutex_unlock(&mgr->payload_lock);
-			} else {
-				drm_dp_mst_topology_put_port(port_validated);
-			}
-		}
-	}
-
 	if (port->connector)
 		drm_modeset_unlock(&mgr->base.lock);
 	else if (create_connector)
@@ -3383,6 +3363,7 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr)
 	struct drm_dp_mst_port *port;
 	int i, j;
 	int cur_slots = 1;
+	bool skip;
 
 	mutex_lock(&mgr->payload_lock);
 	for (i = 0; i < mgr->max_payloads; i++) {
@@ -3397,6 +3378,16 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr)
 			port = container_of(vcpi, struct drm_dp_mst_port,
 					    vcpi);
 
+			mutex_lock(&mgr->lock);
+			skip = !drm_dp_mst_port_downstream_of_branch(port, mgr->mst_primary);
+			mutex_unlock(&mgr->lock);
+
+			if (skip) {
+				drm_dbg_kms(mgr->dev,
+					    "Virtual channel %d is not in current topology\n",
+					    i);
+				continue;
+			}
 			/* Validated ports don't matter if we're releasing
 			 * VCPI
 			 */
@@ -3404,8 +3395,16 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr)
 				port = drm_dp_mst_topology_get_port_validated(
 				    mgr, port);
 				if (!port) {
-					mutex_unlock(&mgr->payload_lock);
-					return -EINVAL;
+					if (vcpi->num_slots == payload->num_slots) {
+						cur_slots += vcpi->num_slots;
+						payload->start_slot = req_payload.start_slot;
+						continue;
+					} else {
+						drm_dbg_kms(mgr->dev,
+							    "Fail:set payload to invalid sink");
+						mutex_unlock(&mgr->payload_lock);
+						return -EINVAL;
+					}
 				}
 				put_port = true;
 			}
@@ -3489,6 +3488,7 @@ int drm_dp_update_payload_part2(struct drm_dp_mst_topology_mgr *mgr)
 	struct drm_dp_mst_port *port;
 	int i;
 	int ret = 0;
+	bool skip;
 
 	mutex_lock(&mgr->payload_lock);
 	for (i = 0; i < mgr->max_payloads; i++) {
@@ -3498,6 +3498,13 @@ int drm_dp_update_payload_part2(struct drm_dp_mst_topology_mgr *mgr)
 
 		port = container_of(mgr->proposed_vcpis[i], struct drm_dp_mst_port, vcpi);
 
+		mutex_lock(&mgr->lock);
+		skip = !drm_dp_mst_port_downstream_of_branch(port, mgr->mst_primary);
+		mutex_unlock(&mgr->lock);
+
+		if (skip)
+			continue;
+
 		DRM_DEBUG_KMS("payload %d %d\n", i, mgr->payloads[i].payload_state);
 		if (mgr->payloads[i].payload_state == DP_PAYLOAD_LOCAL) {
 			ret = drm_dp_create_payload_step2(mgr, port, mgr->proposed_vcpis[i]->vcpi, &mgr->payloads[i]);
@@ -4577,9 +4584,18 @@ EXPORT_SYMBOL(drm_dp_mst_reset_vcpi_slots);
 void drm_dp_mst_deallocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
 				struct drm_dp_mst_port *port)
 {
+	bool skip;
+
 	if (!port->vcpi.vcpi)
 		return;
 
+	mutex_lock(&mgr->lock);
+	skip = !drm_dp_mst_port_downstream_of_branch(port, mgr->mst_primary);
+	mutex_unlock(&mgr->lock);
+
+	if (skip)
+		return;
+
 	drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi);
 	port->vcpi.num_slots = 0;
 	port->vcpi.pbn = 0;
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index ebe9dccf2d83..0b8648396fb2 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -352,6 +352,7 @@ static struct drm_framebuffer *psb_user_framebuffer_create
 			 const struct drm_mode_fb_cmd2 *cmd)
 {
 	struct drm_gem_object *obj;
+	struct drm_framebuffer *fb;
 
 	/*
 	 *	Find the GEM object and thus the gtt range object that is
@@ -362,7 +363,11 @@ static struct drm_framebuffer *psb_user_framebuffer_create
 		return ERR_PTR(-ENOENT);
 
 	/* Let the core code do all the work */
-	return psb_framebuffer_create(dev, cmd, obj);
+	fb = psb_framebuffer_create(dev, cmd, obj);
+	if (IS_ERR(fb))
+		drm_gem_object_put(obj);
+
+	return fb;
 }
 
 static int psbfb_probe(struct drm_fb_helper *fb_helper,
diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
index 74bf6fc8461f..674ef8805c70 100644
--- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
@@ -304,10 +304,7 @@ static void __gen8_ppgtt_alloc(struct i915_address_space * const vm,
 			__i915_gem_object_pin_pages(pt->base);
 			i915_gem_object_make_unshrinkable(pt->base);
 
-			if (lvl ||
-			    gen8_pt_count(*start, end) < I915_PDES ||
-			    intel_vgpu_active(vm->i915))
-				fill_px(pt, vm->scratch[lvl]->encode);
+			fill_px(pt, vm->scratch[lvl]->encode);
 
 			spin_lock(&pd->lock);
 			if (likely(!pd->entry[idx])) {
diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
index 8a322594210c..f282a26131c0 100644
--- a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
@@ -348,7 +348,7 @@ static struct i915_fence_reg *fence_find(struct i915_ggtt *ggtt)
 	if (intel_has_pending_fb_unpin(ggtt->vm.i915))
 		return ERR_PTR(-EAGAIN);
 
-	return ERR_PTR(-EDEADLK);
+	return ERR_PTR(-ENOBUFS);
 }
 
 int __i915_vma_pin_fence(struct i915_vma *vma)
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index 24d0c974bfd5..1b44d86af9c2 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -215,6 +215,22 @@ static ssize_t port_show(struct device *dev, struct device_attribute *attr,
 
 static DEVICE_ATTR_RO(port);
 
+static void intel_th_trace_prepare(struct intel_th_device *thdev)
+{
+	struct intel_th_device *hub = to_intel_th_hub(thdev);
+	struct intel_th_driver *hubdrv = to_intel_th_driver(hub->dev.driver);
+
+	if (hub->type != INTEL_TH_SWITCH)
+		return;
+
+	if (thdev->type != INTEL_TH_OUTPUT)
+		return;
+
+	pm_runtime_get_sync(&thdev->dev);
+	hubdrv->prepare(hub, &thdev->output);
+	pm_runtime_put(&thdev->dev);
+}
+
 static int intel_th_output_activate(struct intel_th_device *thdev)
 {
 	struct intel_th_driver *thdrv =
@@ -235,6 +251,7 @@ static int intel_th_output_activate(struct intel_th_device *thdev)
 	if (ret)
 		goto fail_put;
 
+	intel_th_trace_prepare(thdev);
 	if (thdrv->activate)
 		ret = thdrv->activate(thdev);
 	else
diff --git a/drivers/hwtracing/intel_th/gth.c b/drivers/hwtracing/intel_th/gth.c
index 28509b02a0b5..b3308934a687 100644
--- a/drivers/hwtracing/intel_th/gth.c
+++ b/drivers/hwtracing/intel_th/gth.c
@@ -564,6 +564,21 @@ static void gth_tscu_resync(struct gth_device *gth)
 	iowrite32(reg, gth->base + REG_TSCU_TSUCTRL);
 }
 
+static void intel_th_gth_prepare(struct intel_th_device *thdev,
+				 struct intel_th_output *output)
+{
+	struct gth_device *gth = dev_get_drvdata(&thdev->dev);
+	int count;
+
+	/*
+	 * Wait until the output port is in reset before we start
+	 * programming it.
+	 */
+	for (count = GTH_PLE_WAITLOOP_DEPTH;
+	     count && !(gth_output_get(gth, output->port) & BIT(5)); count--)
+		cpu_relax();
+}
+
 /**
  * intel_th_gth_enable() - enable tracing to an output device
  * @thdev:	GTH device
@@ -815,6 +830,7 @@ static struct intel_th_driver intel_th_gth_driver = {
 	.assign		= intel_th_gth_assign,
 	.unassign	= intel_th_gth_unassign,
 	.set_output	= intel_th_gth_set_output,
+	.prepare	= intel_th_gth_prepare,
 	.enable		= intel_th_gth_enable,
 	.trig_switch	= intel_th_gth_switch,
 	.disable	= intel_th_gth_disable,
diff --git a/drivers/hwtracing/intel_th/intel_th.h b/drivers/hwtracing/intel_th/intel_th.h
index 89c67e0e1d34..0ffb42990175 100644
--- a/drivers/hwtracing/intel_th/intel_th.h
+++ b/drivers/hwtracing/intel_th/intel_th.h
@@ -143,6 +143,7 @@ intel_th_output_assigned(struct intel_th_device *thdev)
  * @remove:	remove method
  * @assign:	match a given output type device against available outputs
  * @unassign:	deassociate an output type device from an output port
+ * @prepare:	prepare output port for tracing
  * @enable:	enable tracing for a given output device
  * @disable:	disable tracing for a given output device
  * @irq:	interrupt callback
@@ -164,6 +165,8 @@ struct intel_th_driver {
 					  struct intel_th_device *othdev);
 	void			(*unassign)(struct intel_th_device *thdev,
 					    struct intel_th_device *othdev);
+	void			(*prepare)(struct intel_th_device *thdev,
+					   struct intel_th_output *output);
 	void			(*enable)(struct intel_th_device *thdev,
 					  struct intel_th_output *output);
 	void			(*trig_switch)(struct intel_th_device *thdev,
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index 5a97e4a02fa2..e314ccaf114a 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -24,6 +24,7 @@
 #include <linux/i2c-smbus.h>
 #include <linux/idr.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/irqflags.h>
 #include <linux/jump_label.h>
 #include <linux/kernel.h>
@@ -627,6 +628,8 @@ static void i2c_device_shutdown(struct device *dev)
 	driver = to_i2c_driver(dev->driver);
 	if (driver->shutdown)
 		driver->shutdown(client);
+	else if (client->irq > 0)
+		disable_irq(client->irq);
 }
 
 static void i2c_client_dev_release(struct device *dev)
diff --git a/drivers/iio/gyro/fxas21002c_core.c b/drivers/iio/gyro/fxas21002c_core.c
index 645461c70454..6a85f231fd57 100644
--- a/drivers/iio/gyro/fxas21002c_core.c
+++ b/drivers/iio/gyro/fxas21002c_core.c
@@ -366,14 +366,7 @@ static int fxas21002c_write(struct fxas21002c_data *data,
 
 static int  fxas21002c_pm_get(struct fxas21002c_data *data)
 {
-	struct device *dev = regmap_get_device(data->regmap);
-	int ret;
-
-	ret = pm_runtime_get_sync(dev);
-	if (ret < 0)
-		pm_runtime_put_noidle(dev);
-
-	return ret;
+	return pm_runtime_resume_and_get(regmap_get_device(data->regmap));
 }
 
 static int  fxas21002c_pm_put(struct fxas21002c_data *data)
@@ -1004,7 +997,6 @@ int fxas21002c_core_probe(struct device *dev, struct regmap *regmap, int irq,
 pm_disable:
 	pm_runtime_disable(dev);
 	pm_runtime_set_suspended(dev);
-	pm_runtime_put_noidle(dev);
 
 	return ret;
 }
@@ -1018,7 +1010,6 @@ void fxas21002c_core_remove(struct device *dev)
 
 	pm_runtime_disable(dev);
 	pm_runtime_set_suspended(dev);
-	pm_runtime_put_noidle(dev);
 }
 EXPORT_SYMBOL_GPL(fxas21002c_core_remove);
 
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index 7cedaab096a7..e8d242ee6743 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -15,19 +15,19 @@
  *
  * Supported sensors:
  * - LSM6DS3:
- *   - Accelerometer/Gyroscope supported ODR [Hz]: 13, 26, 52, 104, 208, 416
+ *   - Accelerometer/Gyroscope supported ODR [Hz]: 12.5, 26, 52, 104, 208, 416
  *   - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
  *   - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
  *   - FIFO size: 8KB
  *
  * - LSM6DS3H/LSM6DSL/LSM6DSM/ISM330DLC/LSM6DS3TR-C:
- *   - Accelerometer/Gyroscope supported ODR [Hz]: 13, 26, 52, 104, 208, 416
+ *   - Accelerometer/Gyroscope supported ODR [Hz]: 12.5, 26, 52, 104, 208, 416
  *   - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
  *   - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
  *   - FIFO size: 4KB
  *
  * - LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR/ISM330DHCX/LSM6DST/LSM6DSOP:
- *   - Accelerometer/Gyroscope supported ODR [Hz]: 13, 26, 52, 104, 208, 416,
+ *   - Accelerometer/Gyroscope supported ODR [Hz]: 12.5, 26, 52, 104, 208, 416,
  *     833
  *   - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
  *   - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c
index d534f4f3909e..6cf3eceaf2d9 100644
--- a/drivers/iio/magnetometer/bmc150_magn.c
+++ b/drivers/iio/magnetometer/bmc150_magn.c
@@ -265,7 +265,7 @@ static int bmc150_magn_set_power_state(struct bmc150_magn_data *data, bool on)
 	int ret;
 
 	if (on) {
-		ret = pm_runtime_get_sync(data->dev);
+		ret = pm_runtime_resume_and_get(data->dev);
 	} else {
 		pm_runtime_mark_last_busy(data->dev);
 		ret = pm_runtime_put_autosuspend(data->dev);
@@ -274,9 +274,6 @@ static int bmc150_magn_set_power_state(struct bmc150_magn_data *data, bool on)
 	if (ret < 0) {
 		dev_err(data->dev,
 			"failed to change power state to %d\n", on);
-		if (on)
-			pm_runtime_put_noidle(data->dev);
-
 		return ret;
 	}
 #endif
@@ -966,12 +963,14 @@ int bmc150_magn_probe(struct device *dev, struct regmap *regmap,
 	ret = iio_device_register(indio_dev);
 	if (ret < 0) {
 		dev_err(dev, "unable to register iio device\n");
-		goto err_buffer_cleanup;
+		goto err_disable_runtime_pm;
 	}
 
 	dev_dbg(dev, "Registered device %s\n", name);
 	return 0;
 
+err_disable_runtime_pm:
+	pm_runtime_disable(dev);
 err_buffer_cleanup:
 	iio_triggered_buffer_cleanup(indio_dev);
 err_free_irq:
@@ -995,7 +994,6 @@ int bmc150_magn_remove(struct device *dev)
 
 	pm_runtime_disable(dev);
 	pm_runtime_set_suspended(dev);
-	pm_runtime_put_noidle(dev);
 
 	iio_triggered_buffer_cleanup(indio_dev);
 
diff --git a/drivers/input/touchscreen/hideep.c b/drivers/input/touchscreen/hideep.c
index ddad4a82a5e5..e9547ee29756 100644
--- a/drivers/input/touchscreen/hideep.c
+++ b/drivers/input/touchscreen/hideep.c
@@ -361,13 +361,16 @@ static int hideep_enter_pgm(struct hideep_ts *ts)
 	return -EIO;
 }
 
-static void hideep_nvm_unlock(struct hideep_ts *ts)
+static int hideep_nvm_unlock(struct hideep_ts *ts)
 {
 	u32 unmask_code;
+	int error;
 
 	hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_SFR_RPAGE);
-	hideep_pgm_r_reg(ts, 0x0000000C, &unmask_code);
+	error = hideep_pgm_r_reg(ts, 0x0000000C, &unmask_code);
 	hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_DEFAULT_PAGE);
+	if (error)
+		return error;
 
 	/* make it unprotected code */
 	unmask_code &= ~HIDEEP_PROT_MODE;
@@ -384,6 +387,8 @@ static void hideep_nvm_unlock(struct hideep_ts *ts)
 	NVM_W_SFR(HIDEEP_NVM_MASK_OFS, ts->nvm_mask);
 	SET_FLASH_HWCONTROL();
 	hideep_pgm_w_reg(ts, HIDEEP_FLASH_CFG, HIDEEP_NVM_DEFAULT_PAGE);
+
+	return 0;
 }
 
 static int hideep_check_status(struct hideep_ts *ts)
@@ -462,7 +467,9 @@ static int hideep_program_nvm(struct hideep_ts *ts,
 	u32 addr = 0;
 	int error;
 
-	hideep_nvm_unlock(ts);
+       error = hideep_nvm_unlock(ts);
+       if (error)
+               return error;
 
 	while (ucode_len > 0) {
 		xfer_len = min_t(size_t, ucode_len, HIDEEP_NVM_PAGE_SIZE);
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index 98b3a1c2a181..44a427833385 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -130,6 +130,16 @@ static int qcom_adreno_smmu_alloc_context_bank(struct arm_smmu_domain *smmu_doma
 	return __arm_smmu_alloc_bitmap(smmu->context_map, start, count);
 }
 
+static bool qcom_adreno_can_do_ttbr1(struct arm_smmu_device *smmu)
+{
+	const struct device_node *np = smmu->dev->of_node;
+
+	if (of_device_is_compatible(np, "qcom,msm8996-smmu-v2"))
+		return false;
+
+	return true;
+}
+
 static int qcom_adreno_smmu_init_context(struct arm_smmu_domain *smmu_domain,
 		struct io_pgtable_cfg *pgtbl_cfg, struct device *dev)
 {
@@ -144,7 +154,8 @@ static int qcom_adreno_smmu_init_context(struct arm_smmu_domain *smmu_domain,
 	 * be AARCH64 stage 1 but double check because the arm-smmu code assumes
 	 * that is the case when the TTBR1 quirk is enabled
 	 */
-	if ((smmu_domain->stage == ARM_SMMU_DOMAIN_S1) &&
+	if (qcom_adreno_can_do_ttbr1(smmu_domain->smmu) &&
+	    (smmu_domain->stage == ARM_SMMU_DOMAIN_S1) &&
 	    (smmu_domain->cfg.fmt == ARM_SMMU_CTX_FMT_AARCH64))
 		pgtbl_cfg->quirks |= IO_PGTABLE_QUIRK_ARM_TTBR1;
 
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 6f72c4d208ca..1a647e0ea3eb 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c
@@ -74,7 +74,7 @@ static bool using_legacy_binding, using_generic_binding;
 static inline int arm_smmu_rpm_get(struct arm_smmu_device *smmu)
 {
 	if (pm_runtime_enabled(smmu->dev))
-		return pm_runtime_get_sync(smmu->dev);
+		return pm_runtime_resume_and_get(smmu->dev);
 
 	return 0;
 }
@@ -1271,6 +1271,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain,
 	u64 phys;
 	unsigned long va, flags;
 	int ret, idx = cfg->cbndx;
+	phys_addr_t addr = 0;
 
 	ret = arm_smmu_rpm_get(smmu);
 	if (ret < 0)
@@ -1290,6 +1291,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain,
 		dev_err(dev,
 			"iova to phys timed out on %pad. Falling back to software table walk.\n",
 			&iova);
+		arm_smmu_rpm_put(smmu);
 		return ops->iova_to_phys(ops, iova);
 	}
 
@@ -1298,12 +1300,14 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain,
 	if (phys & ARM_SMMU_CB_PAR_F) {
 		dev_err(dev, "translation fault!\n");
 		dev_err(dev, "PAR = 0x%llx\n", phys);
-		return 0;
+		goto out;
 	}
 
+	addr = (phys & GENMASK_ULL(39, 12)) | (iova & 0xfff);
+out:
 	arm_smmu_rpm_put(smmu);
 
-	return (phys & GENMASK_ULL(39, 12)) | (iova & 0xfff);
+	return addr;
 }
 
 static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain,
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index be35284a2016..dad910ba9553 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -2434,10 +2434,11 @@ __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
 	return 0;
 }
 
-static void domain_context_clear_one(struct intel_iommu *iommu, u8 bus, u8 devfn)
+static void domain_context_clear_one(struct device_domain_info *info, u8 bus, u8 devfn)
 {
-	unsigned long flags;
+	struct intel_iommu *iommu = info->iommu;
 	struct context_entry *context;
+	unsigned long flags;
 	u16 did_old;
 
 	if (!iommu)
@@ -2449,7 +2450,16 @@ static void domain_context_clear_one(struct intel_iommu *iommu, u8 bus, u8 devfn
 		spin_unlock_irqrestore(&iommu->lock, flags);
 		return;
 	}
-	did_old = context_domain_id(context);
+
+	if (sm_supported(iommu)) {
+		if (hw_pass_through && domain_type_is_si(info->domain))
+			did_old = FLPT_DEFAULT_DID;
+		else
+			did_old = info->domain->iommu_did[iommu->seq_id];
+	} else {
+		did_old = context_domain_id(context);
+	}
+
 	context_clear_entry(context);
 	__iommu_flush_cache(iommu, context, sizeof(*context));
 	spin_unlock_irqrestore(&iommu->lock, flags);
@@ -2467,6 +2477,8 @@ static void domain_context_clear_one(struct intel_iommu *iommu, u8 bus, u8 devfn
 				 0,
 				 0,
 				 DMA_TLB_DSI_FLUSH);
+
+	__iommu_flush_dev_iotlb(info, 0, MAX_AGAW_PFN_WIDTH);
 }
 
 static inline void unlink_domain_info(struct device_domain_info *info)
@@ -4436,9 +4448,9 @@ int __init intel_iommu_init(void)
 
 static int domain_context_clear_one_cb(struct pci_dev *pdev, u16 alias, void *opaque)
 {
-	struct intel_iommu *iommu = opaque;
+	struct device_domain_info *info = opaque;
 
-	domain_context_clear_one(iommu, PCI_BUS_NUM(alias), alias & 0xff);
+	domain_context_clear_one(info, PCI_BUS_NUM(alias), alias & 0xff);
 	return 0;
 }
 
@@ -4448,12 +4460,13 @@ static int domain_context_clear_one_cb(struct pci_dev *pdev, u16 alias, void *op
  * devices, unbinding the driver from any one of them will possibly leave
  * the others unable to operate.
  */
-static void domain_context_clear(struct intel_iommu *iommu, struct device *dev)
+static void domain_context_clear(struct device_domain_info *info)
 {
-	if (!iommu || !dev || !dev_is_pci(dev))
+	if (!info->iommu || !info->dev || !dev_is_pci(info->dev))
 		return;
 
-	pci_for_each_dma_alias(to_pci_dev(dev), &domain_context_clear_one_cb, iommu);
+	pci_for_each_dma_alias(to_pci_dev(info->dev),
+			       &domain_context_clear_one_cb, info);
 }
 
 static void __dmar_remove_one_dev_info(struct device_domain_info *info)
@@ -4470,14 +4483,13 @@ static void __dmar_remove_one_dev_info(struct device_domain_info *info)
 	iommu = info->iommu;
 	domain = info->domain;
 
-	if (info->dev) {
+	if (info->dev && !dev_is_real_dma_subdevice(info->dev)) {
 		if (dev_is_pci(info->dev) && sm_supported(iommu))
 			intel_pasid_tear_down_entry(iommu, info->dev,
 					PASID_RID2PASID, false);
 
 		iommu_disable_dev_iotlb(info);
-		if (!dev_is_real_dma_subdevice(info->dev))
-			domain_context_clear(iommu, info->dev);
+		domain_context_clear(info);
 		intel_pasid_free_table(info->dev);
 	}
 
diff --git a/drivers/leds/leds-tlc591xx.c b/drivers/leds/leds-tlc591xx.c
index 5b9dfdf743ec..cb7bd1353f9f 100644
--- a/drivers/leds/leds-tlc591xx.c
+++ b/drivers/leds/leds-tlc591xx.c
@@ -148,16 +148,20 @@ static int
 tlc591xx_probe(struct i2c_client *client,
 	       const struct i2c_device_id *id)
 {
-	struct device_node *np = dev_of_node(&client->dev), *child;
+	struct device_node *np, *child;
 	struct device *dev = &client->dev;
 	const struct tlc591xx *tlc591xx;
 	struct tlc591xx_priv *priv;
 	int err, count, reg;
 
-	tlc591xx = device_get_match_data(dev);
+	np = dev_of_node(dev);
 	if (!np)
 		return -ENODEV;
 
+	tlc591xx = device_get_match_data(dev);
+	if (!tlc591xx)
+		return -ENODEV;
+
 	count = of_get_available_child_count(np);
 	if (!count || count > tlc591xx->max_leds)
 		return -EINVAL;
diff --git a/drivers/leds/leds-turris-omnia.c b/drivers/leds/leds-turris-omnia.c
index 2f9a289ab245..1adfed1c0619 100644
--- a/drivers/leds/leds-turris-omnia.c
+++ b/drivers/leds/leds-turris-omnia.c
@@ -274,6 +274,7 @@ static const struct i2c_device_id omnia_id[] = {
 	{ "omnia", 0 },
 	{ }
 };
+MODULE_DEVICE_TABLE(i2c, omnia_id);
 
 static struct i2c_driver omnia_leds_driver = {
 	.probe		= omnia_leds_probe,
diff --git a/drivers/memory/atmel-ebi.c b/drivers/memory/atmel-ebi.c
index 14386d0b5f57..c267283b01fd 100644
--- a/drivers/memory/atmel-ebi.c
+++ b/drivers/memory/atmel-ebi.c
@@ -600,8 +600,10 @@ static int atmel_ebi_probe(struct platform_device *pdev)
 				child);
 
 			ret = atmel_ebi_dev_disable(ebi, child);
-			if (ret)
+			if (ret) {
+				of_node_put(child);
 				return ret;
+			}
 		}
 	}
 
diff --git a/drivers/memory/fsl_ifc.c b/drivers/memory/fsl_ifc.c
index 89f99b5b6450..d062c2f8250f 100644
--- a/drivers/memory/fsl_ifc.c
+++ b/drivers/memory/fsl_ifc.c
@@ -97,7 +97,6 @@ static int fsl_ifc_ctrl_remove(struct platform_device *dev)
 	iounmap(ctrl->gregs);
 
 	dev_set_drvdata(&dev->dev, NULL);
-	kfree(ctrl);
 
 	return 0;
 }
@@ -209,7 +208,8 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev)
 
 	dev_info(&dev->dev, "Freescale Integrated Flash Controller\n");
 
-	fsl_ifc_ctrl_dev = kzalloc(sizeof(*fsl_ifc_ctrl_dev), GFP_KERNEL);
+	fsl_ifc_ctrl_dev = devm_kzalloc(&dev->dev, sizeof(*fsl_ifc_ctrl_dev),
+					GFP_KERNEL);
 	if (!fsl_ifc_ctrl_dev)
 		return -ENOMEM;
 
@@ -219,8 +219,7 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev)
 	fsl_ifc_ctrl_dev->gregs = of_iomap(dev->dev.of_node, 0);
 	if (!fsl_ifc_ctrl_dev->gregs) {
 		dev_err(&dev->dev, "failed to get memory region\n");
-		ret = -ENODEV;
-		goto err;
+		return -ENODEV;
 	}
 
 	if (of_property_read_bool(dev->dev.of_node, "little-endian")) {
@@ -295,6 +294,7 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev)
 	free_irq(fsl_ifc_ctrl_dev->irq, fsl_ifc_ctrl_dev);
 	irq_dispose_mapping(fsl_ifc_ctrl_dev->irq);
 err:
+	iounmap(fsl_ifc_ctrl_dev->gregs);
 	return ret;
 }
 
diff --git a/drivers/memory/pl353-smc.c b/drivers/memory/pl353-smc.c
index 9c0a28416777..b0b251bb207f 100644
--- a/drivers/memory/pl353-smc.c
+++ b/drivers/memory/pl353-smc.c
@@ -407,6 +407,7 @@ static int pl353_smc_probe(struct amba_device *adev, const struct amba_id *id)
 		break;
 	}
 	if (!match) {
+		err = -ENODEV;
 		dev_err(&adev->dev, "no matching children\n");
 		goto out_clk_disable;
 	}
diff --git a/drivers/memory/stm32-fmc2-ebi.c b/drivers/memory/stm32-fmc2-ebi.c
index 4d5758c419c5..ffec26a99313 100644
--- a/drivers/memory/stm32-fmc2-ebi.c
+++ b/drivers/memory/stm32-fmc2-ebi.c
@@ -1048,16 +1048,19 @@ static int stm32_fmc2_ebi_parse_dt(struct stm32_fmc2_ebi *ebi)
 		if (ret) {
 			dev_err(dev, "could not retrieve reg property: %d\n",
 				ret);
+			of_node_put(child);
 			return ret;
 		}
 
 		if (bank >= FMC2_MAX_BANKS) {
 			dev_err(dev, "invalid reg value: %d\n", bank);
+			of_node_put(child);
 			return -EINVAL;
 		}
 
 		if (ebi->bank_assigned & BIT(bank)) {
 			dev_err(dev, "bank already assigned: %d\n", bank);
+			of_node_put(child);
 			return -EINVAL;
 		}
 
@@ -1066,6 +1069,7 @@ static int stm32_fmc2_ebi_parse_dt(struct stm32_fmc2_ebi *ebi)
 			if (ret) {
 				dev_err(dev, "setup chip select %d failed: %d\n",
 					bank, ret);
+				of_node_put(child);
 				return ret;
 			}
 		}
diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c
index 47556d2d9abe..8ebfc7bbe4e0 100644
--- a/drivers/mfd/da9052-i2c.c
+++ b/drivers/mfd/da9052-i2c.c
@@ -113,6 +113,7 @@ static const struct i2c_device_id da9052_i2c_id[] = {
 	{"da9053-bc", DA9053_BC},
 	{}
 };
+MODULE_DEVICE_TABLE(i2c, da9052_i2c_id);
 
 #ifdef CONFIG_OF
 static const struct of_device_id dialog_dt_ids[] = {
diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c
index 30d82bfe5b02..6fb206da2729 100644
--- a/drivers/mfd/motorola-cpcap.c
+++ b/drivers/mfd/motorola-cpcap.c
@@ -327,6 +327,10 @@ static int cpcap_probe(struct spi_device *spi)
 	if (ret)
 		return ret;
 
+	/* Parent SPI controller uses DMA, CPCAP and child devices do not */
+	spi->dev.coherent_dma_mask = 0;
+	spi->dev.dma_mask = &spi->dev.coherent_dma_mask;
+
 	return devm_mfd_add_devices(&spi->dev, 0, cpcap_mfd_devices,
 				    ARRAY_SIZE(cpcap_mfd_devices), NULL, 0, NULL);
 }
diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c
index 61aa020199f5..cd2f45257dc1 100644
--- a/drivers/mfd/stmpe-i2c.c
+++ b/drivers/mfd/stmpe-i2c.c
@@ -109,7 +109,7 @@ static const struct i2c_device_id stmpe_i2c_id[] = {
 	{ "stmpe2403", STMPE2403 },
 	{ }
 };
-MODULE_DEVICE_TABLE(i2c, stmpe_id);
+MODULE_DEVICE_TABLE(i2c, stmpe_i2c_id);
 
 static struct i2c_driver stmpe_i2c_driver = {
 	.driver = {
diff --git a/drivers/misc/cardreader/alcor_pci.c b/drivers/misc/cardreader/alcor_pci.c
index cd402c89189e..de6d44a158bb 100644
--- a/drivers/misc/cardreader/alcor_pci.c
+++ b/drivers/misc/cardreader/alcor_pci.c
@@ -139,7 +139,13 @@ static void alcor_pci_init_check_aspm(struct alcor_pci_priv *priv)
 	u32 val32;
 
 	priv->pdev_cap_off    = alcor_pci_find_cap_offset(priv, priv->pdev);
-	priv->parent_cap_off = alcor_pci_find_cap_offset(priv,
+	/*
+	 * A device might be attached to root complex directly and
+	 * priv->parent_pdev will be NULL. In this case we don't check its
+	 * capability and disable ASPM completely.
+	 */
+	if (priv->parent_pdev)
+		priv->parent_cap_off = alcor_pci_find_cap_offset(priv,
 							 priv->parent_pdev);
 
 	if ((priv->pdev_cap_off == 0) || (priv->parent_cap_off == 0)) {
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c
index 00e92b678828..eea0d3e35b88 100644
--- a/drivers/misc/habanalabs/common/device.c
+++ b/drivers/misc/habanalabs/common/device.c
@@ -1334,8 +1334,9 @@ int hl_device_init(struct hl_device *hdev, struct class *hclass)
 	}
 
 	/*
-	 * From this point, in case of an error, add char devices and create
-	 * sysfs nodes as part of the error flow, to allow debugging.
+	 * From this point, override rc (=0) in case of an error to allow
+	 * debugging (by adding char devices and create sysfs nodes as part of
+	 * the error flow).
 	 */
 	add_cdev_sysfs_on_err = true;
 
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index 0713b2c12d54..86efb9fa701c 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/drivers/misc/habanalabs/common/firmware_if.c
@@ -1006,11 +1006,14 @@ int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg,
 
 	if (!(hdev->fw_components & FW_TYPE_LINUX)) {
 		dev_info(hdev->dev, "Skip loading Linux F/W\n");
+		rc = 0;
 		goto out;
 	}
 
-	if (status == CPU_BOOT_STATUS_SRAM_AVAIL)
+	if (status == CPU_BOOT_STATUS_SRAM_AVAIL) {
+		rc = 0;
 		goto out;
+	}
 
 	dev_info(hdev->dev,
 		"Loading firmware to device, may take some time...\n");
diff --git a/drivers/misc/habanalabs/common/habanalabs_drv.c b/drivers/misc/habanalabs/common/habanalabs_drv.c
index d15b912a347b..91bcaaed5cd6 100644
--- a/drivers/misc/habanalabs/common/habanalabs_drv.c
+++ b/drivers/misc/habanalabs/common/habanalabs_drv.c
@@ -309,7 +309,7 @@ int create_hdev(struct hl_device **dev, struct pci_dev *pdev,
 
 	if (pdev)
 		hdev->asic_prop.fw_security_disabled =
-				!is_asic_secured(pdev->device);
+				!is_asic_secured(hdev->asic_type);
 	else
 		hdev->asic_prop.fw_security_disabled = true;
 
diff --git a/drivers/misc/habanalabs/common/mmu/mmu.c b/drivers/misc/habanalabs/common/mmu/mmu.c
index b37189956b14..792d25b79ea6 100644
--- a/drivers/misc/habanalabs/common/mmu/mmu.c
+++ b/drivers/misc/habanalabs/common/mmu/mmu.c
@@ -501,12 +501,20 @@ static void hl_mmu_pa_page_with_offset(struct hl_ctx *ctx, u64 virt_addr,
 
 	if ((hops->range_type == HL_VA_RANGE_TYPE_DRAM) &&
 			!is_power_of_2(prop->dram_page_size)) {
-		u32 bit;
+		unsigned long dram_page_size = prop->dram_page_size;
 		u64 page_offset_mask;
 		u64 phys_addr_mask;
+		u32 bit;
 
-		bit = __ffs64((u64)prop->dram_page_size);
-		page_offset_mask = ((1ull << bit) - 1);
+		/*
+		 * find last set bit in page_size to cover all bits of page
+		 * offset. note that 1 has to be added to bit index.
+		 * note that the internal ulong variable is used to avoid
+		 * alignment issue.
+		 */
+		bit = find_last_bit(&dram_page_size,
+					sizeof(dram_page_size) * BITS_PER_BYTE) + 1;
+		page_offset_mask = (BIT_ULL(bit) - 1);
 		phys_addr_mask = ~page_offset_mask;
 		*phys_addr = (tmp_phys_addr & phys_addr_mask) |
 				(virt_addr & page_offset_mask);
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 9e4a6bb3acd1..b7b281ae8d5a 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -2834,7 +2834,7 @@ static void gaudi_init_mme_qman(struct hl_device *hdev, u32 mme_offset,
 
 		/* Configure RAZWI IRQ */
 		mme_id = mme_offset /
-				(mmMME1_QM_GLBL_CFG0 - mmMME0_QM_GLBL_CFG0);
+				(mmMME1_QM_GLBL_CFG0 - mmMME0_QM_GLBL_CFG0) / 2;
 
 		mme_qm_err_cfg = MME_QMAN_GLBL_ERR_CFG_MSG_EN_MASK;
 		if (hdev->stop_on_err) {
@@ -4934,6 +4934,7 @@ static int gaudi_pin_memory_before_cs(struct hl_device *hdev,
 	return 0;
 
 unpin_memory:
+	list_del(&userptr->job_node);
 	hl_unpin_host_memory(hdev, userptr);
 free_userptr:
 	kfree(userptr);
@@ -8306,8 +8307,10 @@ static int gaudi_internal_cb_pool_init(struct hl_device *hdev,
 			HL_VA_RANGE_TYPE_HOST, HOST_SPACE_INTERNAL_CB_SZ,
 			HL_MMU_VA_ALIGNMENT_NOT_NEEDED);
 
-	if (!hdev->internal_cb_va_base)
+	if (!hdev->internal_cb_va_base) {
+		rc = -ENOMEM;
 		goto destroy_internal_cb_pool;
+	}
 
 	mutex_lock(&ctx->mmu_lock);
 	rc = hl_mmu_map_contiguous(ctx, hdev->internal_cb_va_base,
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index e0ad2a269779..d4ac10b9f25e 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -3270,6 +3270,7 @@ static int goya_pin_memory_before_cs(struct hl_device *hdev,
 	return 0;
 
 unpin_memory:
+	list_del(&userptr->job_node);
 	hl_unpin_host_memory(hdev, userptr);
 free_userptr:
 	kfree(userptr);
diff --git a/drivers/misc/ibmasm/module.c b/drivers/misc/ibmasm/module.c
index 4edad6c445d3..dc8a06c06c63 100644
--- a/drivers/misc/ibmasm/module.c
+++ b/drivers/misc/ibmasm/module.c
@@ -111,7 +111,7 @@ static int ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	result = ibmasm_init_remote_input_dev(sp);
 	if (result) {
 		dev_err(sp->dev, "Failed to initialize remote queue\n");
-		goto error_send_message;
+		goto error_init_remote;
 	}
 
 	result = ibmasm_send_driver_vpd(sp);
@@ -131,8 +131,9 @@ static int ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	return 0;
 
 error_send_message:
-	disable_sp_interrupts(sp->base_address);
 	ibmasm_free_remote_input_dev(sp);
+error_init_remote:
+	disable_sp_interrupts(sp->base_address);
 	free_irq(sp->irq, (void *)sp);
 error_request_irq:
 	iounmap(sp->base_address);
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 2debb32a1813..6af227964413 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1581,6 +1581,8 @@ static int virtnet_poll_tx(struct napi_struct *napi, int budget)
 	struct virtnet_info *vi = sq->vq->vdev->priv;
 	unsigned int index = vq2txq(sq->vq);
 	struct netdev_queue *txq;
+	int opaque;
+	bool done;
 
 	if (unlikely(is_xdp_raw_buffer_queue(vi, index))) {
 		/* We don't need to enable cb for XDP */
@@ -1590,10 +1592,28 @@ static int virtnet_poll_tx(struct napi_struct *napi, int budget)
 
 	txq = netdev_get_tx_queue(vi->dev, index);
 	__netif_tx_lock(txq, raw_smp_processor_id());
+	virtqueue_disable_cb(sq->vq);
 	free_old_xmit_skbs(sq, true);
+
+	opaque = virtqueue_enable_cb_prepare(sq->vq);
+
+	done = napi_complete_done(napi, 0);
+
+	if (!done)
+		virtqueue_disable_cb(sq->vq);
+
 	__netif_tx_unlock(txq);
 
-	virtqueue_napi_complete(napi, sq->vq, 0);
+	if (done) {
+		if (unlikely(virtqueue_poll(sq->vq, opaque))) {
+			if (napi_schedule_prep(napi)) {
+				__netif_tx_lock(txq, raw_smp_processor_id());
+				virtqueue_disable_cb(sq->vq);
+				__netif_tx_unlock(txq);
+				__napi_schedule(napi);
+			}
+		}
+	}
 
 	if (sq->vq->num_free >= 2 + MAX_SKB_FRAGS)
 		netif_tx_wake_queue(txq);
@@ -3299,8 +3319,11 @@ static __maybe_unused int virtnet_restore(struct virtio_device *vdev)
 	virtnet_set_queues(vi, vi->curr_queue_pairs);
 
 	err = virtnet_cpu_notif_add(vi);
-	if (err)
+	if (err) {
+		virtnet_freeze_down(vdev);
+		remove_vq_common(vi);
 		return err;
+	}
 
 	return 0;
 }
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index d8aceef83284..07ee347ea3f3 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -1497,7 +1497,6 @@ static void nvmet_tcp_state_change(struct sock *sk)
 	case TCP_CLOSE_WAIT:
 	case TCP_CLOSE:
 		/* FALLTHRU */
-		sk->sk_user_data = NULL;
 		nvmet_tcp_schedule_release_queue(queue);
 		break;
 	default:
diff --git a/drivers/pci/controller/dwc/pcie-intel-gw.c b/drivers/pci/controller/dwc/pcie-intel-gw.c
index f89a7d24ba28..d15cf35fa7f2 100644
--- a/drivers/pci/controller/dwc/pcie-intel-gw.c
+++ b/drivers/pci/controller/dwc/pcie-intel-gw.c
@@ -39,6 +39,10 @@
 #define PCIE_APP_IRN_PM_TO_ACK		BIT(9)
 #define PCIE_APP_IRN_LINK_AUTO_BW_STAT	BIT(11)
 #define PCIE_APP_IRN_BW_MGT		BIT(12)
+#define PCIE_APP_IRN_INTA		BIT(13)
+#define PCIE_APP_IRN_INTB		BIT(14)
+#define PCIE_APP_IRN_INTC		BIT(15)
+#define PCIE_APP_IRN_INTD		BIT(16)
 #define PCIE_APP_IRN_MSG_LTR		BIT(18)
 #define PCIE_APP_IRN_SYS_ERR_RC		BIT(29)
 #define PCIE_APP_INTX_OFST		12
@@ -48,10 +52,8 @@
 	PCIE_APP_IRN_RX_VDM_MSG | PCIE_APP_IRN_SYS_ERR_RC | \
 	PCIE_APP_IRN_PM_TO_ACK | PCIE_APP_IRN_MSG_LTR | \
 	PCIE_APP_IRN_BW_MGT | PCIE_APP_IRN_LINK_AUTO_BW_STAT | \
-	(PCIE_APP_INTX_OFST + PCI_INTERRUPT_INTA) | \
-	(PCIE_APP_INTX_OFST + PCI_INTERRUPT_INTB) | \
-	(PCIE_APP_INTX_OFST + PCI_INTERRUPT_INTC) | \
-	(PCIE_APP_INTX_OFST + PCI_INTERRUPT_INTD))
+	PCIE_APP_IRN_INTA | PCIE_APP_IRN_INTB | \
+	PCIE_APP_IRN_INTC | PCIE_APP_IRN_INTD)
 
 #define BUS_IATU_OFFSET			SZ_256M
 #define RESET_INTERVAL_MS		100
diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
index fa6b12cfc043..3ec7b29d5dc7 100644
--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -1826,7 +1826,7 @@ static int tegra_pcie_ep_raise_msi_irq(struct tegra_pcie_dw *pcie, u16 irq)
 	if (unlikely(irq > 31))
 		return -EINVAL;
 
-	appl_writel(pcie, (1 << irq), APPL_MSI_CTRL_1);
+	appl_writel(pcie, BIT(irq), APPL_MSI_CTRL_1);
 
 	return 0;
 }
diff --git a/drivers/pci/controller/pci-ftpci100.c b/drivers/pci/controller/pci-ftpci100.c
index da3cd216da00..aefef1986201 100644
--- a/drivers/pci/controller/pci-ftpci100.c
+++ b/drivers/pci/controller/pci-ftpci100.c
@@ -34,12 +34,12 @@
  * Special configuration registers directly in the first few words
  * in I/O space.
  */
-#define PCI_IOSIZE	0x00
-#define PCI_PROT	0x04 /* AHB protection */
-#define PCI_CTRL	0x08 /* PCI control signal */
-#define PCI_SOFTRST	0x10 /* Soft reset counter and response error enable */
-#define PCI_CONFIG	0x28 /* PCI configuration command register */
-#define PCI_DATA	0x2C
+#define FTPCI_IOSIZE	0x00
+#define FTPCI_PROT	0x04 /* AHB protection */
+#define FTPCI_CTRL	0x08 /* PCI control signal */
+#define FTPCI_SOFTRST	0x10 /* Soft reset counter and response error enable */
+#define FTPCI_CONFIG	0x28 /* PCI configuration command register */
+#define FTPCI_DATA	0x2C
 
 #define FARADAY_PCI_STATUS_CMD		0x04 /* Status and command */
 #define FARADAY_PCI_PMC			0x40 /* Power management control */
@@ -195,9 +195,9 @@ static int faraday_raw_pci_read_config(struct faraday_pci *p, int bus_number,
 			PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
 			PCI_CONF_WHERE(config) |
 			PCI_CONF_ENABLE,
-			p->base + PCI_CONFIG);
+			p->base + FTPCI_CONFIG);
 
-	*value = readl(p->base + PCI_DATA);
+	*value = readl(p->base + FTPCI_DATA);
 
 	if (size == 1)
 		*value = (*value >> (8 * (config & 3))) & 0xFF;
@@ -230,17 +230,17 @@ static int faraday_raw_pci_write_config(struct faraday_pci *p, int bus_number,
 			PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
 			PCI_CONF_WHERE(config) |
 			PCI_CONF_ENABLE,
-			p->base + PCI_CONFIG);
+			p->base + FTPCI_CONFIG);
 
 	switch (size) {
 	case 4:
-		writel(value, p->base + PCI_DATA);
+		writel(value, p->base + FTPCI_DATA);
 		break;
 	case 2:
-		writew(value, p->base + PCI_DATA + (config & 3));
+		writew(value, p->base + FTPCI_DATA + (config & 3));
 		break;
 	case 1:
-		writeb(value, p->base + PCI_DATA + (config & 3));
+		writeb(value, p->base + FTPCI_DATA + (config & 3));
 		break;
 	default:
 		ret = PCIBIOS_BAD_REGISTER_NUMBER;
@@ -469,7 +469,7 @@ static int faraday_pci_probe(struct platform_device *pdev)
 		if (!faraday_res_to_memcfg(io->start - win->offset,
 					   resource_size(io), &val)) {
 			/* setup I/O space size */
-			writel(val, p->base + PCI_IOSIZE);
+			writel(val, p->base + FTPCI_IOSIZE);
 		} else {
 			dev_err(dev, "illegal IO mem size\n");
 			return -EINVAL;
@@ -477,11 +477,11 @@ static int faraday_pci_probe(struct platform_device *pdev)
 	}
 
 	/* Setup hostbridge */
-	val = readl(p->base + PCI_CTRL);
+	val = readl(p->base + FTPCI_CTRL);
 	val |= PCI_COMMAND_IO;
 	val |= PCI_COMMAND_MEMORY;
 	val |= PCI_COMMAND_MASTER;
-	writel(val, p->base + PCI_CTRL);
+	writel(val, p->base + FTPCI_CTRL);
 	/* Mask and clear all interrupts */
 	faraday_raw_pci_write_config(p, 0, 0, FARADAY_PCI_CTRL2 + 2, 2, 0xF000);
 	if (variant->cascaded_irq) {
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index bebe3eeebc4e..efbf8c80bd31 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -444,7 +444,6 @@ enum hv_pcibus_state {
 	hv_pcibus_probed,
 	hv_pcibus_installed,
 	hv_pcibus_removing,
-	hv_pcibus_removed,
 	hv_pcibus_maximum
 };
 
@@ -3243,8 +3242,9 @@ static int hv_pci_bus_exit(struct hv_device *hdev, bool keep_devs)
 		struct pci_packet teardown_packet;
 		u8 buffer[sizeof(struct pci_message)];
 	} pkt;
-	struct hv_dr_state *dr;
 	struct hv_pci_compl comp_pkt;
+	struct hv_pci_dev *hpdev, *tmp;
+	unsigned long flags;
 	int ret;
 
 	/*
@@ -3256,9 +3256,16 @@ static int hv_pci_bus_exit(struct hv_device *hdev, bool keep_devs)
 
 	if (!keep_devs) {
 		/* Delete any children which might still exist. */
-		dr = kzalloc(sizeof(*dr), GFP_KERNEL);
-		if (dr && hv_pci_start_relations_work(hbus, dr))
-			kfree(dr);
+		spin_lock_irqsave(&hbus->device_list_lock, flags);
+		list_for_each_entry_safe(hpdev, tmp, &hbus->children, list_entry) {
+			list_del(&hpdev->list_entry);
+			if (hpdev->pci_slot)
+				pci_destroy_slot(hpdev->pci_slot);
+			/* For the two refs got in new_pcichild_device() */
+			put_pcichild(hpdev);
+			put_pcichild(hpdev);
+		}
+		spin_unlock_irqrestore(&hbus->device_list_lock, flags);
 	}
 
 	ret = hv_send_resources_released(hdev);
@@ -3301,13 +3308,23 @@ static int hv_pci_remove(struct hv_device *hdev)
 
 	hbus = hv_get_drvdata(hdev);
 	if (hbus->state == hv_pcibus_installed) {
+		tasklet_disable(&hdev->channel->callback_event);
+		hbus->state = hv_pcibus_removing;
+		tasklet_enable(&hdev->channel->callback_event);
+		destroy_workqueue(hbus->wq);
+		hbus->wq = NULL;
+		/*
+		 * At this point, no work is running or can be scheduled
+		 * on hbus-wq. We can't race with hv_pci_devices_present()
+		 * or hv_pci_eject_device(), it's safe to proceed.
+		 */
+
 		/* Remove the bus from PCI's point of view. */
 		pci_lock_rescan_remove();
 		pci_stop_root_bus(hbus->pci_bus);
 		hv_pci_remove_slots(hbus);
 		pci_remove_root_bus(hbus->pci_bus);
 		pci_unlock_rescan_remove();
-		hbus->state = hv_pcibus_removed;
 	}
 
 	ret = hv_pci_bus_exit(hdev, false);
@@ -3322,7 +3339,6 @@ static int hv_pci_remove(struct hv_device *hdev)
 	irq_domain_free_fwnode(hbus->sysdata.fwnode);
 	put_hvpcibus(hbus);
 	wait_for_completion(&hbus->remove_event);
-	destroy_workqueue(hbus->wq);
 
 	hv_put_dom_num(hbus->sysdata.domain);
 
diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index 8069bd9232d4..c979229a6d0d 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -2539,6 +2539,7 @@ static const struct of_device_id tegra_pcie_of_match[] = {
 	{ .compatible = "nvidia,tegra20-pcie", .data = &tegra20_pcie },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, tegra_pcie_of_match);
 
 static void *tegra_pcie_ports_seq_start(struct seq_file *s, loff_t *pos)
 {
diff --git a/drivers/pci/controller/pcie-iproc-msi.c b/drivers/pci/controller/pcie-iproc-msi.c
index eede4e8f3f75..81b4effeb130 100644
--- a/drivers/pci/controller/pcie-iproc-msi.c
+++ b/drivers/pci/controller/pcie-iproc-msi.c
@@ -171,7 +171,7 @@ static struct irq_chip iproc_msi_irq_chip = {
 
 static struct msi_domain_info iproc_msi_domain_info = {
 	.flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
-		MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX,
+		MSI_FLAG_PCI_MSIX,
 	.chip = &iproc_msi_irq_chip,
 };
 
@@ -250,20 +250,23 @@ static int iproc_msi_irq_domain_alloc(struct irq_domain *domain,
 	struct iproc_msi *msi = domain->host_data;
 	int hwirq, i;
 
+	if (msi->nr_cpus > 1 && nr_irqs > 1)
+		return -EINVAL;
+
 	mutex_lock(&msi->bitmap_lock);
 
-	/* Allocate 'nr_cpus' number of MSI vectors each time */
-	hwirq = bitmap_find_next_zero_area(msi->bitmap, msi->nr_msi_vecs, 0,
-					   msi->nr_cpus, 0);
-	if (hwirq < msi->nr_msi_vecs) {
-		bitmap_set(msi->bitmap, hwirq, msi->nr_cpus);
-	} else {
-		mutex_unlock(&msi->bitmap_lock);
-		return -ENOSPC;
-	}
+	/*
+	 * Allocate 'nr_irqs' multiplied by 'nr_cpus' number of MSI vectors
+	 * each time
+	 */
+	hwirq = bitmap_find_free_region(msi->bitmap, msi->nr_msi_vecs,
+					order_base_2(msi->nr_cpus * nr_irqs));
 
 	mutex_unlock(&msi->bitmap_lock);
 
+	if (hwirq < 0)
+		return -ENOSPC;
+
 	for (i = 0; i < nr_irqs; i++) {
 		irq_domain_set_info(domain, virq + i, hwirq + i,
 				    &iproc_msi_bottom_irq_chip,
@@ -284,7 +287,8 @@ static void iproc_msi_irq_domain_free(struct irq_domain *domain,
 	mutex_lock(&msi->bitmap_lock);
 
 	hwirq = hwirq_to_canonical_hwirq(msi, data->hwirq);
-	bitmap_clear(msi->bitmap, hwirq, msi->nr_cpus);
+	bitmap_release_region(msi->bitmap, hwirq,
+			      order_base_2(msi->nr_cpus * nr_irqs));
 
 	mutex_unlock(&msi->bitmap_lock);
 
@@ -539,6 +543,9 @@ int iproc_msi_init(struct iproc_pcie *pcie, struct device_node *node)
 	mutex_init(&msi->bitmap_lock);
 	msi->nr_cpus = num_possible_cpus();
 
+	if (msi->nr_cpus == 1)
+		iproc_msi_domain_info.flags |=  MSI_FLAG_MULTI_PCI_MSI;
+
 	msi->nr_irqs = of_irq_count(node);
 	if (!msi->nr_irqs) {
 		dev_err(pcie->dev, "found no MSI GIC interrupt\n");
diff --git a/drivers/pci/controller/pcie-mediatek-gen3.c b/drivers/pci/controller/pcie-mediatek-gen3.c
index 3c5b97716d40..f3aeb8d4eaca 100644
--- a/drivers/pci/controller/pcie-mediatek-gen3.c
+++ b/drivers/pci/controller/pcie-mediatek-gen3.c
@@ -1012,6 +1012,7 @@ static const struct of_device_id mtk_pcie_of_match[] = {
 	{ .compatible = "mediatek,mt8192-pcie" },
 	{},
 };
+MODULE_DEVICE_TABLE(of, mtk_pcie_of_match);
 
 static struct platform_driver mtk_pcie_driver = {
 	.probe = mtk_pcie_probe,
diff --git a/drivers/pci/controller/pcie-rockchip-host.c b/drivers/pci/controller/pcie-rockchip-host.c
index f1d08a1b1591..78d04ac29cd5 100644
--- a/drivers/pci/controller/pcie-rockchip-host.c
+++ b/drivers/pci/controller/pcie-rockchip-host.c
@@ -592,10 +592,6 @@ static int rockchip_pcie_parse_host_dt(struct rockchip_pcie *rockchip)
 	if (err)
 		return err;
 
-	err = rockchip_pcie_setup_irq(rockchip);
-	if (err)
-		return err;
-
 	rockchip->vpcie12v = devm_regulator_get_optional(dev, "vpcie12v");
 	if (IS_ERR(rockchip->vpcie12v)) {
 		if (PTR_ERR(rockchip->vpcie12v) != -ENODEV)
@@ -973,8 +969,6 @@ static int rockchip_pcie_probe(struct platform_device *pdev)
 	if (err)
 		goto err_vpcie;
 
-	rockchip_pcie_enable_interrupts(rockchip);
-
 	err = rockchip_pcie_init_irq_domain(rockchip);
 	if (err < 0)
 		goto err_deinit_port;
@@ -992,6 +986,12 @@ static int rockchip_pcie_probe(struct platform_device *pdev)
 	bridge->sysdata = rockchip;
 	bridge->ops = &rockchip_pcie_ops;
 
+	err = rockchip_pcie_setup_irq(rockchip);
+	if (err)
+		goto err_remove_irq_domain;
+
+	rockchip_pcie_enable_interrupts(rockchip);
+
 	err = pci_host_probe(bridge);
 	if (err < 0)
 		goto err_remove_irq_domain;
diff --git a/drivers/pci/ecam.c b/drivers/pci/ecam.c
index d2a1920bb055..1c40d2506aef 100644
--- a/drivers/pci/ecam.c
+++ b/drivers/pci/ecam.c
@@ -32,7 +32,7 @@ struct pci_config_window *pci_ecam_create(struct device *dev,
 	struct pci_config_window *cfg;
 	unsigned int bus_range, bus_range_max, bsz;
 	struct resource *conflict;
-	int i, err;
+	int err;
 
 	if (busr->start > busr->end)
 		return ERR_PTR(-EINVAL);
@@ -50,6 +50,7 @@ struct pci_config_window *pci_ecam_create(struct device *dev,
 	cfg->busr.start = busr->start;
 	cfg->busr.end = busr->end;
 	cfg->busr.flags = IORESOURCE_BUS;
+	cfg->bus_shift = bus_shift;
 	bus_range = resource_size(&cfg->busr);
 	bus_range_max = resource_size(cfgres) >> bus_shift;
 	if (bus_range > bus_range_max) {
@@ -77,13 +78,6 @@ struct pci_config_window *pci_ecam_create(struct device *dev,
 		cfg->winp = kcalloc(bus_range, sizeof(*cfg->winp), GFP_KERNEL);
 		if (!cfg->winp)
 			goto err_exit_malloc;
-		for (i = 0; i < bus_range; i++) {
-			cfg->winp[i] =
-				pci_remap_cfgspace(cfgres->start + i * bsz,
-						   bsz);
-			if (!cfg->winp[i])
-				goto err_exit_iomap;
-		}
 	} else {
 		cfg->win = pci_remap_cfgspace(cfgres->start, bus_range * bsz);
 		if (!cfg->win)
@@ -129,6 +123,44 @@ void pci_ecam_free(struct pci_config_window *cfg)
 }
 EXPORT_SYMBOL_GPL(pci_ecam_free);
 
+static int pci_ecam_add_bus(struct pci_bus *bus)
+{
+	struct pci_config_window *cfg = bus->sysdata;
+	unsigned int bsz = 1 << cfg->bus_shift;
+	unsigned int busn = bus->number;
+	phys_addr_t start;
+
+	if (!per_bus_mapping)
+		return 0;
+
+	if (busn < cfg->busr.start || busn > cfg->busr.end)
+		return -EINVAL;
+
+	busn -= cfg->busr.start;
+	start = cfg->res.start + busn * bsz;
+
+	cfg->winp[busn] = pci_remap_cfgspace(start, bsz);
+	if (!cfg->winp[busn])
+		return -ENOMEM;
+
+	return 0;
+}
+
+static void pci_ecam_remove_bus(struct pci_bus *bus)
+{
+	struct pci_config_window *cfg = bus->sysdata;
+	unsigned int busn = bus->number;
+
+	if (!per_bus_mapping || busn < cfg->busr.start || busn > cfg->busr.end)
+		return;
+
+	busn -= cfg->busr.start;
+	if (cfg->winp[busn]) {
+		iounmap(cfg->winp[busn]);
+		cfg->winp[busn] = NULL;
+	}
+}
+
 /*
  * Function to implement the pci_ops ->map_bus method
  */
@@ -167,6 +199,8 @@ EXPORT_SYMBOL_GPL(pci_ecam_map_bus);
 /* ECAM ops */
 const struct pci_ecam_ops pci_generic_ecam_ops = {
 	.pci_ops	= {
+		.add_bus	= pci_ecam_add_bus,
+		.remove_bus	= pci_ecam_remove_bus,
 		.map_bus	= pci_ecam_map_bus,
 		.read		= pci_generic_config_read,
 		.write		= pci_generic_config_write,
@@ -178,6 +212,8 @@ EXPORT_SYMBOL_GPL(pci_generic_ecam_ops);
 /* ECAM ops for 32-bit access only (non-compliant) */
 const struct pci_ecam_ops pci_32b_ops = {
 	.pci_ops	= {
+		.add_bus	= pci_ecam_add_bus,
+		.remove_bus	= pci_ecam_remove_bus,
 		.map_bus	= pci_ecam_map_bus,
 		.read		= pci_generic_config_read32,
 		.write		= pci_generic_config_write32,
@@ -187,6 +223,8 @@ const struct pci_ecam_ops pci_32b_ops = {
 /* ECAM ops for 32-bit read only (non-compliant) */
 const struct pci_ecam_ops pci_32b_read_ops = {
 	.pci_ops	= {
+		.add_bus	= pci_ecam_add_bus,
+		.remove_bus	= pci_ecam_remove_bus,
 		.map_bus	= pci_ecam_map_bus,
 		.read		= pci_generic_config_read32,
 		.write		= pci_generic_config_write,
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index fb3840e222ad..9d06939736c0 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -563,6 +563,32 @@ void pciehp_power_off_slot(struct controller *ctrl)
 		 PCI_EXP_SLTCTL_PWR_OFF);
 }
 
+static void pciehp_ignore_dpc_link_change(struct controller *ctrl,
+					  struct pci_dev *pdev, int irq)
+{
+	/*
+	 * Ignore link changes which occurred while waiting for DPC recovery.
+	 * Could be several if DPC triggered multiple times consecutively.
+	 */
+	synchronize_hardirq(irq);
+	atomic_and(~PCI_EXP_SLTSTA_DLLSC, &ctrl->pending_events);
+	if (pciehp_poll_mode)
+		pcie_capability_write_word(pdev, PCI_EXP_SLTSTA,
+					   PCI_EXP_SLTSTA_DLLSC);
+	ctrl_info(ctrl, "Slot(%s): Link Down/Up ignored (recovered by DPC)\n",
+		  slot_name(ctrl));
+
+	/*
+	 * If the link is unexpectedly down after successful recovery,
+	 * the corresponding link change may have been ignored above.
+	 * Synthesize it to ensure that it is acted on.
+	 */
+	down_read(&ctrl->reset_lock);
+	if (!pciehp_check_link_active(ctrl))
+		pciehp_request(ctrl, PCI_EXP_SLTSTA_DLLSC);
+	up_read(&ctrl->reset_lock);
+}
+
 static irqreturn_t pciehp_isr(int irq, void *dev_id)
 {
 	struct controller *ctrl = (struct controller *)dev_id;
@@ -706,6 +732,16 @@ static irqreturn_t pciehp_ist(int irq, void *dev_id)
 				      PCI_EXP_SLTCTL_ATTN_IND_ON);
 	}
 
+	/*
+	 * Ignore Link Down/Up events caused by Downstream Port Containment
+	 * if recovery from the error succeeded.
+	 */
+	if ((events & PCI_EXP_SLTSTA_DLLSC) && pci_dpc_recovered(pdev) &&
+	    ctrl->state == ON_STATE) {
+		events &= ~PCI_EXP_SLTSTA_DLLSC;
+		pciehp_ignore_dpc_link_change(ctrl, pdev, irq);
+	}
+
 	/*
 	 * Disable requests have higher priority than Presence Detect Changed
 	 * or Data Link Layer State Changed events.
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index 196382630363..c49c13a5fedc 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -308,10 +308,41 @@ static const struct pci_p2pdma_whitelist_entry {
 	{}
 };
 
+/*
+ * This lookup function tries to find the PCI device corresponding to a given
+ * host bridge.
+ *
+ * It assumes the host bridge device is the first PCI device in the
+ * bus->devices list and that the devfn is 00.0. These assumptions should hold
+ * for all the devices in the whitelist above.
+ *
+ * This function is equivalent to pci_get_slot(host->bus, 0), however it does
+ * not take the pci_bus_sem lock seeing __host_bridge_whitelist() must not
+ * sleep.
+ *
+ * For this to be safe, the caller should hold a reference to a device on the
+ * bridge, which should ensure the host_bridge device will not be freed
+ * or removed from the head of the devices list.
+ */
+static struct pci_dev *pci_host_bridge_dev(struct pci_host_bridge *host)
+{
+	struct pci_dev *root;
+
+	root = list_first_entry_or_null(&host->bus->devices,
+					struct pci_dev, bus_list);
+
+	if (!root)
+		return NULL;
+	if (root->devfn != PCI_DEVFN(0, 0))
+		return NULL;
+
+	return root;
+}
+
 static bool __host_bridge_whitelist(struct pci_host_bridge *host,
 				    bool same_host_bridge)
 {
-	struct pci_dev *root = pci_get_slot(host->bus, PCI_DEVFN(0, 0));
+	struct pci_dev *root = pci_host_bridge_dev(host);
 	const struct pci_p2pdma_whitelist_entry *entry;
 	unsigned short vendor, device;
 
@@ -320,7 +351,6 @@ static bool __host_bridge_whitelist(struct pci_host_bridge *host,
 
 	vendor = root->vendor;
 	device = root->device;
-	pci_dev_put(root);
 
 	for (entry = pci_p2pdma_whitelist; entry->vendor; entry++) {
 		if (vendor != entry->vendor || device != entry->device)
diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c
index c32f3b7540e8..76b381cf70b2 100644
--- a/drivers/pci/pci-label.c
+++ b/drivers/pci/pci-label.c
@@ -145,7 +145,7 @@ static void dsm_label_utf16s_to_utf8s(union acpi_object *obj, char *buf)
 	len = utf16s_to_utf8s((const wchar_t *)obj->buffer.pointer,
 			      obj->buffer.length,
 			      UTF16_LITTLE_ENDIAN,
-			      buf, PAGE_SIZE);
+			      buf, PAGE_SIZE - 1);
 	buf[len] = '\n';
 }
 
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 37c913bbc6e1..dac6922553b4 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -385,6 +385,8 @@ static inline bool pci_dev_is_disconnected(const struct pci_dev *dev)
 
 /* pci_dev priv_flags */
 #define PCI_DEV_ADDED 0
+#define PCI_DPC_RECOVERED 1
+#define PCI_DPC_RECOVERING 2
 
 static inline void pci_dev_assign_added(struct pci_dev *dev, bool added)
 {
@@ -439,10 +441,12 @@ void pci_restore_dpc_state(struct pci_dev *dev);
 void pci_dpc_init(struct pci_dev *pdev);
 void dpc_process_error(struct pci_dev *pdev);
 pci_ers_result_t dpc_reset_link(struct pci_dev *pdev);
+bool pci_dpc_recovered(struct pci_dev *pdev);
 #else
 static inline void pci_save_dpc_state(struct pci_dev *dev) {}
 static inline void pci_restore_dpc_state(struct pci_dev *dev) {}
 static inline void pci_dpc_init(struct pci_dev *pdev) {}
+static inline bool pci_dpc_recovered(struct pci_dev *pdev) { return false; }
 #endif
 
 #ifdef CONFIG_PCIEPORTBUS
diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c
index e05aba86a317..c556e7beafe3 100644
--- a/drivers/pci/pcie/dpc.c
+++ b/drivers/pci/pcie/dpc.c
@@ -71,6 +71,58 @@ void pci_restore_dpc_state(struct pci_dev *dev)
 	pci_write_config_word(dev, dev->dpc_cap + PCI_EXP_DPC_CTL, *cap);
 }
 
+static DECLARE_WAIT_QUEUE_HEAD(dpc_completed_waitqueue);
+
+#ifdef CONFIG_HOTPLUG_PCI_PCIE
+static bool dpc_completed(struct pci_dev *pdev)
+{
+	u16 status;
+
+	pci_read_config_word(pdev, pdev->dpc_cap + PCI_EXP_DPC_STATUS, &status);
+	if ((status != 0xffff) && (status & PCI_EXP_DPC_STATUS_TRIGGER))
+		return false;
+
+	if (test_bit(PCI_DPC_RECOVERING, &pdev->priv_flags))
+		return false;
+
+	return true;
+}
+
+/**
+ * pci_dpc_recovered - whether DPC triggered and has recovered successfully
+ * @pdev: PCI device
+ *
+ * Return true if DPC was triggered for @pdev and has recovered successfully.
+ * Wait for recovery if it hasn't completed yet.  Called from the PCIe hotplug
+ * driver to recognize and ignore Link Down/Up events caused by DPC.
+ */
+bool pci_dpc_recovered(struct pci_dev *pdev)
+{
+	struct pci_host_bridge *host;
+
+	if (!pdev->dpc_cap)
+		return false;
+
+	/*
+	 * Synchronization between hotplug and DPC is not supported
+	 * if DPC is owned by firmware and EDR is not enabled.
+	 */
+	host = pci_find_host_bridge(pdev->bus);
+	if (!host->native_dpc && !IS_ENABLED(CONFIG_PCIE_EDR))
+		return false;
+
+	/*
+	 * Need a timeout in case DPC never completes due to failure of
+	 * dpc_wait_rp_inactive().  The spec doesn't mandate a time limit,
+	 * but reports indicate that DPC completes within 4 seconds.
+	 */
+	wait_event_timeout(dpc_completed_waitqueue, dpc_completed(pdev),
+			   msecs_to_jiffies(4000));
+
+	return test_and_clear_bit(PCI_DPC_RECOVERED, &pdev->priv_flags);
+}
+#endif /* CONFIG_HOTPLUG_PCI_PCIE */
+
 static int dpc_wait_rp_inactive(struct pci_dev *pdev)
 {
 	unsigned long timeout = jiffies + HZ;
@@ -91,8 +143,11 @@ static int dpc_wait_rp_inactive(struct pci_dev *pdev)
 
 pci_ers_result_t dpc_reset_link(struct pci_dev *pdev)
 {
+	pci_ers_result_t ret;
 	u16 cap;
 
+	set_bit(PCI_DPC_RECOVERING, &pdev->priv_flags);
+
 	/*
 	 * DPC disables the Link automatically in hardware, so it has
 	 * already been reset by the time we get here.
@@ -106,18 +161,27 @@ pci_ers_result_t dpc_reset_link(struct pci_dev *pdev)
 	if (!pcie_wait_for_link(pdev, false))
 		pci_info(pdev, "Data Link Layer Link Active not cleared in 1000 msec\n");
 
-	if (pdev->dpc_rp_extensions && dpc_wait_rp_inactive(pdev))
-		return PCI_ERS_RESULT_DISCONNECT;
+	if (pdev->dpc_rp_extensions && dpc_wait_rp_inactive(pdev)) {
+		clear_bit(PCI_DPC_RECOVERED, &pdev->priv_flags);
+		ret = PCI_ERS_RESULT_DISCONNECT;
+		goto out;
+	}
 
 	pci_write_config_word(pdev, cap + PCI_EXP_DPC_STATUS,
 			      PCI_EXP_DPC_STATUS_TRIGGER);
 
 	if (!pcie_wait_for_link(pdev, true)) {
 		pci_info(pdev, "Data Link Layer Link Active not set in 1000 msec\n");
-		return PCI_ERS_RESULT_DISCONNECT;
+		clear_bit(PCI_DPC_RECOVERED, &pdev->priv_flags);
+		ret = PCI_ERS_RESULT_DISCONNECT;
+	} else {
+		set_bit(PCI_DPC_RECOVERED, &pdev->priv_flags);
+		ret = PCI_ERS_RESULT_RECOVERED;
 	}
-
-	return PCI_ERS_RESULT_RECOVERED;
+out:
+	clear_bit(PCI_DPC_RECOVERING, &pdev->priv_flags);
+	wake_up_all(&dpc_completed_waitqueue);
+	return ret;
 }
 
 static void dpc_process_rp_pio_error(struct pci_dev *pdev)
diff --git a/drivers/phy/intel/phy-intel-keembay-emmc.c b/drivers/phy/intel/phy-intel-keembay-emmc.c
index eb7c635ed89a..0eb11ac7c2e2 100644
--- a/drivers/phy/intel/phy-intel-keembay-emmc.c
+++ b/drivers/phy/intel/phy-intel-keembay-emmc.c
@@ -95,7 +95,8 @@ static int keembay_emmc_phy_power(struct phy *phy, bool on_off)
 	else
 		freqsel = 0x0;
 
-	if (mhz < 50 || mhz > 200)
+	/* Check for EMMC clock rate*/
+	if (mhz > 175)
 		dev_warn(&phy->dev, "Unsupported rate: %d MHz\n", mhz);
 
 	/*
diff --git a/drivers/power/reset/gpio-poweroff.c b/drivers/power/reset/gpio-poweroff.c
index c5067eb75370..1c5af2fef142 100644
--- a/drivers/power/reset/gpio-poweroff.c
+++ b/drivers/power/reset/gpio-poweroff.c
@@ -90,6 +90,7 @@ static const struct of_device_id of_gpio_poweroff_match[] = {
 	{ .compatible = "gpio-poweroff", },
 	{},
 };
+MODULE_DEVICE_TABLE(of, of_gpio_poweroff_match);
 
 static struct platform_driver gpio_poweroff_driver = {
 	.probe = gpio_poweroff_probe,
diff --git a/drivers/power/reset/regulator-poweroff.c b/drivers/power/reset/regulator-poweroff.c
index f697088e0ad1..20701203935f 100644
--- a/drivers/power/reset/regulator-poweroff.c
+++ b/drivers/power/reset/regulator-poweroff.c
@@ -64,6 +64,7 @@ static const struct of_device_id of_regulator_poweroff_match[] = {
 	{ .compatible = "regulator-poweroff", },
 	{},
 };
+MODULE_DEVICE_TABLE(of, of_regulator_poweroff_match);
 
 static struct platform_driver regulator_poweroff_driver = {
 	.probe = regulator_poweroff_probe,
diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
index e696364126f1..20a2f93252f9 100644
--- a/drivers/power/supply/Kconfig
+++ b/drivers/power/supply/Kconfig
@@ -712,7 +712,8 @@ config BATTERY_GOLDFISH
 
 config BATTERY_RT5033
 	tristate "RT5033 fuel gauge support"
-	depends on MFD_RT5033
+	depends on I2C
+	select REGMAP_I2C
 	help
 	  This adds support for battery fuel gauge in Richtek RT5033 PMIC.
 	  The fuelgauge calculates and determines the battery state of charge
diff --git a/drivers/power/supply/ab8500-bm.h b/drivers/power/supply/ab8500-bm.h
index 41c69a4f2a1f..871bdc1f5cbd 100644
--- a/drivers/power/supply/ab8500-bm.h
+++ b/drivers/power/supply/ab8500-bm.h
@@ -507,8 +507,6 @@ struct abx500_bm_data {
 	int bkup_bat_v;
 	int bkup_bat_i;
 	bool autopower_cfg;
-	bool ac_enabled;
-	bool usb_enabled;
 	bool no_maintenance;
 	bool capacity_scaling;
 	bool chg_unknown_bat;
@@ -730,4 +728,8 @@ int ab8500_bm_of_probe(struct device *dev,
 		       struct device_node *np,
 		       struct abx500_bm_data *bm);
 
+extern struct platform_driver ab8500_fg_driver;
+extern struct platform_driver ab8500_btemp_driver;
+extern struct platform_driver abx500_chargalg_driver;
+
 #endif /* _AB8500_CHARGER_H_ */
diff --git a/drivers/power/supply/ab8500_btemp.c b/drivers/power/supply/ab8500_btemp.c
index fdfcd59fc43e..4df305c767c5 100644
--- a/drivers/power/supply/ab8500_btemp.c
+++ b/drivers/power/supply/ab8500_btemp.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/device.h>
+#include <linux/component.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
@@ -932,26 +933,6 @@ static int __maybe_unused ab8500_btemp_suspend(struct device *dev)
 	return 0;
 }
 
-static int ab8500_btemp_remove(struct platform_device *pdev)
-{
-	struct ab8500_btemp *di = platform_get_drvdata(pdev);
-	int i, irq;
-
-	/* Disable interrupts */
-	for (i = 0; i < ARRAY_SIZE(ab8500_btemp_irq); i++) {
-		irq = platform_get_irq_byname(pdev, ab8500_btemp_irq[i].name);
-		free_irq(irq, di);
-	}
-
-	/* Delete the work queue */
-	destroy_workqueue(di->btemp_wq);
-
-	flush_scheduled_work();
-	power_supply_unregister(di->btemp_psy);
-
-	return 0;
-}
-
 static char *supply_interface[] = {
 	"ab8500_chargalg",
 	"ab8500_fg",
@@ -966,6 +947,40 @@ static const struct power_supply_desc ab8500_btemp_desc = {
 	.external_power_changed	= ab8500_btemp_external_power_changed,
 };
 
+static int ab8500_btemp_bind(struct device *dev, struct device *master,
+			     void *data)
+{
+	struct ab8500_btemp *di = dev_get_drvdata(dev);
+
+	/* Create a work queue for the btemp */
+	di->btemp_wq =
+		alloc_workqueue("ab8500_btemp_wq", WQ_MEM_RECLAIM, 0);
+	if (di->btemp_wq == NULL) {
+		dev_err(dev, "failed to create work queue\n");
+		return -ENOMEM;
+	}
+
+	/* Kick off periodic temperature measurements */
+	ab8500_btemp_periodic(di, true);
+
+	return 0;
+}
+
+static void ab8500_btemp_unbind(struct device *dev, struct device *master,
+				void *data)
+{
+	struct ab8500_btemp *di = dev_get_drvdata(dev);
+
+	/* Delete the work queue */
+	destroy_workqueue(di->btemp_wq);
+	flush_scheduled_work();
+}
+
+static const struct component_ops ab8500_btemp_component_ops = {
+	.bind = ab8500_btemp_bind,
+	.unbind = ab8500_btemp_unbind,
+};
+
 static int ab8500_btemp_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
@@ -1011,14 +1026,6 @@ static int ab8500_btemp_probe(struct platform_device *pdev)
 	psy_cfg.num_supplicants = ARRAY_SIZE(supply_interface);
 	psy_cfg.drv_data = di;
 
-	/* Create a work queue for the btemp */
-	di->btemp_wq =
-		alloc_workqueue("ab8500_btemp_wq", WQ_MEM_RECLAIM, 0);
-	if (di->btemp_wq == NULL) {
-		dev_err(dev, "failed to create work queue\n");
-		return -ENOMEM;
-	}
-
 	/* Init work for measuring temperature periodically */
 	INIT_DEFERRABLE_WORK(&di->btemp_periodic_work,
 		ab8500_btemp_periodic_work);
@@ -1031,7 +1038,7 @@ static int ab8500_btemp_probe(struct platform_device *pdev)
 		AB8500_BTEMP_HIGH_TH, &val);
 	if (ret < 0) {
 		dev_err(dev, "%s ab8500 read failed\n", __func__);
-		goto free_btemp_wq;
+		return ret;
 	}
 	switch (val) {
 	case BTEMP_HIGH_TH_57_0:
@@ -1050,30 +1057,28 @@ static int ab8500_btemp_probe(struct platform_device *pdev)
 	}
 
 	/* Register BTEMP power supply class */
-	di->btemp_psy = power_supply_register(dev, &ab8500_btemp_desc,
-					      &psy_cfg);
+	di->btemp_psy = devm_power_supply_register(dev, &ab8500_btemp_desc,
+						   &psy_cfg);
 	if (IS_ERR(di->btemp_psy)) {
 		dev_err(dev, "failed to register BTEMP psy\n");
-		ret = PTR_ERR(di->btemp_psy);
-		goto free_btemp_wq;
+		return PTR_ERR(di->btemp_psy);
 	}
 
 	/* Register interrupts */
 	for (i = 0; i < ARRAY_SIZE(ab8500_btemp_irq); i++) {
 		irq = platform_get_irq_byname(pdev, ab8500_btemp_irq[i].name);
-		if (irq < 0) {
-			ret = irq;
-			goto free_irq;
-		}
+		if (irq < 0)
+			return irq;
 
-		ret = request_threaded_irq(irq, NULL, ab8500_btemp_irq[i].isr,
+		ret = devm_request_threaded_irq(dev, irq, NULL,
+			ab8500_btemp_irq[i].isr,
 			IRQF_SHARED | IRQF_NO_SUSPEND | IRQF_ONESHOT,
 			ab8500_btemp_irq[i].name, di);
 
 		if (ret) {
 			dev_err(dev, "failed to request %s IRQ %d: %d\n"
 				, ab8500_btemp_irq[i].name, irq, ret);
-			goto free_irq;
+			return ret;
 		}
 		dev_dbg(dev, "Requested %s IRQ %d: %d\n",
 			ab8500_btemp_irq[i].name, irq, ret);
@@ -1081,23 +1086,16 @@ static int ab8500_btemp_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, di);
 
-	/* Kick off periodic temperature measurements */
-	ab8500_btemp_periodic(di, true);
 	list_add_tail(&di->node, &ab8500_btemp_list);
 
-	return ret;
+	return component_add(dev, &ab8500_btemp_component_ops);
+}
 
-free_irq:
-	/* We also have to free all successfully registered irqs */
-	for (i = i - 1; i >= 0; i--) {
-		irq = platform_get_irq_byname(pdev, ab8500_btemp_irq[i].name);
-		free_irq(irq, di);
-	}
+static int ab8500_btemp_remove(struct platform_device *pdev)
+{
+	component_del(&pdev->dev, &ab8500_btemp_component_ops);
 
-	power_supply_unregister(di->btemp_psy);
-free_btemp_wq:
-	destroy_workqueue(di->btemp_wq);
-	return ret;
+	return 0;
 }
 
 static SIMPLE_DEV_PM_OPS(ab8500_btemp_pm_ops, ab8500_btemp_suspend, ab8500_btemp_resume);
@@ -1106,8 +1104,9 @@ static const struct of_device_id ab8500_btemp_match[] = {
 	{ .compatible = "stericsson,ab8500-btemp", },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, ab8500_btemp_match);
 
-static struct platform_driver ab8500_btemp_driver = {
+struct platform_driver ab8500_btemp_driver = {
 	.probe = ab8500_btemp_probe,
 	.remove = ab8500_btemp_remove,
 	.driver = {
@@ -1116,20 +1115,6 @@ static struct platform_driver ab8500_btemp_driver = {
 		.pm = &ab8500_btemp_pm_ops,
 	},
 };
-
-static int __init ab8500_btemp_init(void)
-{
-	return platform_driver_register(&ab8500_btemp_driver);
-}
-
-static void __exit ab8500_btemp_exit(void)
-{
-	platform_driver_unregister(&ab8500_btemp_driver);
-}
-
-device_initcall(ab8500_btemp_init);
-module_exit(ab8500_btemp_exit);
-
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Johan Palsson, Karl Komierowski, Arun R Murthy");
 MODULE_ALIAS("platform:ab8500-btemp");
diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c
index a9be10eb2c22..98127e3591f9 100644
--- a/drivers/power/supply/ab8500_charger.c
+++ b/drivers/power/supply/ab8500_charger.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/device.h>
+#include <linux/component.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/notifier.h>
@@ -414,6 +415,14 @@ static void ab8500_enable_disable_sw_fallback(struct ab8500_charger *di,
 static void ab8500_power_supply_changed(struct ab8500_charger *di,
 					struct power_supply *psy)
 {
+	/*
+	 * This happens if we get notifications or interrupts and
+	 * the platform has been configured not to support one or
+	 * other type of charging.
+	 */
+	if (!psy)
+		return;
+
 	if (di->autopower_cfg) {
 		if (!di->usb.charger_connected &&
 		    !di->ac.charger_connected &&
@@ -440,7 +449,15 @@ static void ab8500_charger_set_usb_connected(struct ab8500_charger *di,
 		if (!connected)
 			di->flags.vbus_drop_end = false;
 
-		sysfs_notify(&di->usb_chg.psy->dev.kobj, NULL, "present");
+		/*
+		 * Sometimes the platform is configured not to support
+		 * USB charging and no psy has been created, but we still
+		 * will get these notifications.
+		 */
+		if (di->usb_chg.psy) {
+			sysfs_notify(&di->usb_chg.psy->dev.kobj, NULL,
+				     "present");
+		}
 
 		if (connected) {
 			mutex_lock(&di->charger_attached_mutex);
@@ -3276,10 +3293,74 @@ static struct notifier_block charger_nb = {
 	.notifier_call = ab8500_external_charger_prepare,
 };
 
-static int ab8500_charger_remove(struct platform_device *pdev)
+static char *supply_interface[] = {
+	"ab8500_chargalg",
+	"ab8500_fg",
+	"ab8500_btemp",
+};
+
+static const struct power_supply_desc ab8500_ac_chg_desc = {
+	.name		= "ab8500_ac",
+	.type		= POWER_SUPPLY_TYPE_MAINS,
+	.properties	= ab8500_charger_ac_props,
+	.num_properties	= ARRAY_SIZE(ab8500_charger_ac_props),
+	.get_property	= ab8500_charger_ac_get_property,
+};
+
+static const struct power_supply_desc ab8500_usb_chg_desc = {
+	.name		= "ab8500_usb",
+	.type		= POWER_SUPPLY_TYPE_USB,
+	.properties	= ab8500_charger_usb_props,
+	.num_properties	= ARRAY_SIZE(ab8500_charger_usb_props),
+	.get_property	= ab8500_charger_usb_get_property,
+};
+
+static int ab8500_charger_bind(struct device *dev)
 {
-	struct ab8500_charger *di = platform_get_drvdata(pdev);
-	int i, irq, ret;
+	struct ab8500_charger *di = dev_get_drvdata(dev);
+	int ch_stat;
+	int ret;
+
+	/* Create a work queue for the charger */
+	di->charger_wq = alloc_ordered_workqueue("ab8500_charger_wq",
+						 WQ_MEM_RECLAIM);
+	if (di->charger_wq == NULL) {
+		dev_err(dev, "failed to create work queue\n");
+		return -ENOMEM;
+	}
+
+	ch_stat = ab8500_charger_detect_chargers(di, false);
+
+	if (ch_stat & AC_PW_CONN) {
+		if (is_ab8500(di->parent))
+			queue_delayed_work(di->charger_wq,
+					   &di->ac_charger_attached_work,
+					   HZ);
+	}
+	if (ch_stat & USB_PW_CONN) {
+		if (is_ab8500(di->parent))
+			queue_delayed_work(di->charger_wq,
+					   &di->usb_charger_attached_work,
+					   HZ);
+		di->vbus_detected = true;
+		di->vbus_detected_start = true;
+		queue_work(di->charger_wq,
+			   &di->detect_usb_type_work);
+	}
+
+	ret = component_bind_all(dev, di);
+	if (ret) {
+		dev_err(dev, "can't bind component devices\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static void ab8500_charger_unbind(struct device *dev)
+{
+	struct ab8500_charger *di = dev_get_drvdata(dev);
+	int ret;
 
 	/* Disable AC charging */
 	ab8500_charger_ac_en(&di->ac_chg, false, 0, 0);
@@ -3287,68 +3368,47 @@ static int ab8500_charger_remove(struct platform_device *pdev)
 	/* Disable USB charging */
 	ab8500_charger_usb_en(&di->usb_chg, false, 0, 0);
 
-	/* Disable interrupts */
-	for (i = 0; i < ARRAY_SIZE(ab8500_charger_irq); i++) {
-		irq = platform_get_irq_byname(pdev, ab8500_charger_irq[i].name);
-		free_irq(irq, di);
-	}
-
 	/* Backup battery voltage and current disable */
 	ret = abx500_mask_and_set_register_interruptible(di->dev,
 		AB8500_RTC, AB8500_RTC_CTRL_REG, RTC_BUP_CH_ENA, 0);
 	if (ret < 0)
 		dev_err(di->dev, "%s mask and set failed\n", __func__);
 
-	usb_unregister_notifier(di->usb_phy, &di->nb);
-	usb_put_phy(di->usb_phy);
-
 	/* Delete the work queue */
 	destroy_workqueue(di->charger_wq);
 
-	/* Unregister external charger enable notifier */
-	if (!di->ac_chg.enabled)
-		blocking_notifier_chain_unregister(
-			&charger_notifier_list, &charger_nb);
-
 	flush_scheduled_work();
-	if (di->usb_chg.enabled)
-		power_supply_unregister(di->usb_chg.psy);
 
-	if (di->ac_chg.enabled && !di->ac_chg.external)
-		power_supply_unregister(di->ac_chg.psy);
-
-	return 0;
+	/* Unbind fg, btemp, algorithm */
+	component_unbind_all(dev, di);
 }
 
-static char *supply_interface[] = {
-	"ab8500_chargalg",
-	"ab8500_fg",
-	"ab8500_btemp",
+static const struct component_master_ops ab8500_charger_comp_ops = {
+	.bind = ab8500_charger_bind,
+	.unbind = ab8500_charger_unbind,
 };
 
-static const struct power_supply_desc ab8500_ac_chg_desc = {
-	.name		= "ab8500_ac",
-	.type		= POWER_SUPPLY_TYPE_MAINS,
-	.properties	= ab8500_charger_ac_props,
-	.num_properties	= ARRAY_SIZE(ab8500_charger_ac_props),
-	.get_property	= ab8500_charger_ac_get_property,
+static struct platform_driver *const ab8500_charger_component_drivers[] = {
+	&ab8500_fg_driver,
+	&ab8500_btemp_driver,
+	&abx500_chargalg_driver,
 };
 
-static const struct power_supply_desc ab8500_usb_chg_desc = {
-	.name		= "ab8500_usb",
-	.type		= POWER_SUPPLY_TYPE_USB,
-	.properties	= ab8500_charger_usb_props,
-	.num_properties	= ARRAY_SIZE(ab8500_charger_usb_props),
-	.get_property	= ab8500_charger_usb_get_property,
-};
+static int ab8500_charger_compare_dev(struct device *dev, void *data)
+{
+	return dev == data;
+}
 
 static int ab8500_charger_probe(struct platform_device *pdev)
 {
-	struct device_node *np = pdev->dev.of_node;
+	struct device *dev = &pdev->dev;
+	struct device_node *np = dev->of_node;
+	struct component_match *match = NULL;
 	struct power_supply_config ac_psy_cfg = {}, usb_psy_cfg = {};
 	struct ab8500_charger *di;
-	int irq, i, charger_status, ret = 0, ch_stat;
-	struct device *dev = &pdev->dev;
+	int charger_status;
+	int i, irq;
+	int ret;
 
 	di = devm_kzalloc(dev, sizeof(*di), GFP_KERNEL);
 	if (!di)
@@ -3393,6 +3453,38 @@ static int ab8500_charger_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	/*
+	 * VDD ADC supply needs to be enabled from this driver when there
+	 * is a charger connected to avoid erroneous BTEMP_HIGH/LOW
+	 * interrupts during charging
+	 */
+	di->regu = devm_regulator_get(dev, "vddadc");
+	if (IS_ERR(di->regu)) {
+		ret = PTR_ERR(di->regu);
+		dev_err(dev, "failed to get vddadc regulator\n");
+		return ret;
+	}
+
+	/* Request interrupts */
+	for (i = 0; i < ARRAY_SIZE(ab8500_charger_irq); i++) {
+		irq = platform_get_irq_byname(pdev, ab8500_charger_irq[i].name);
+		if (irq < 0)
+			return irq;
+
+		ret = devm_request_threaded_irq(dev,
+			irq, NULL, ab8500_charger_irq[i].isr,
+			IRQF_SHARED | IRQF_NO_SUSPEND | IRQF_ONESHOT,
+			ab8500_charger_irq[i].name, di);
+
+		if (ret != 0) {
+			dev_err(dev, "failed to request %s IRQ %d: %d\n"
+				, ab8500_charger_irq[i].name, irq, ret);
+			return ret;
+		}
+		dev_dbg(dev, "Requested %s IRQ %d: %d\n",
+			ab8500_charger_irq[i].name, irq, ret);
+	}
+
 	/* initialize lock */
 	spin_lock_init(&di->usb_state.usb_lock);
 	mutex_init(&di->usb_ipt_crnt_lock);
@@ -3419,14 +3511,16 @@ static int ab8500_charger_probe(struct platform_device *pdev)
 	di->ac_chg.max_out_curr =
 		di->bm->chg_output_curr[di->bm->n_chg_out_curr - 1];
 	di->ac_chg.wdt_refresh = CHG_WD_INTERVAL;
-	di->ac_chg.enabled = di->bm->ac_enabled;
+	/*
+	 * The AB8505 only supports USB charging. If we are not the
+	 * AB8505, register an AC charger.
+	 *
+	 * TODO: if this should be opt-in, add DT properties for this.
+	 */
+	if (!is_ab8505(di->parent))
+		di->ac_chg.enabled = true;
 	di->ac_chg.external = false;
 
-	/*notifier for external charger enabling*/
-	if (!di->ac_chg.enabled)
-		blocking_notifier_chain_register(
-			&charger_notifier_list, &charger_nb);
-
 	/* USB supply */
 	/* ux500_charger sub-class */
 	di->usb_chg.ops.enable = &ab8500_charger_usb_en;
@@ -3438,18 +3532,9 @@ static int ab8500_charger_probe(struct platform_device *pdev)
 	di->usb_chg.max_out_curr =
 		di->bm->chg_output_curr[di->bm->n_chg_out_curr - 1];
 	di->usb_chg.wdt_refresh = CHG_WD_INTERVAL;
-	di->usb_chg.enabled = di->bm->usb_enabled;
 	di->usb_chg.external = false;
 	di->usb_state.usb_current = -1;
 
-	/* Create a work queue for the charger */
-	di->charger_wq = alloc_ordered_workqueue("ab8500_charger_wq",
-						 WQ_MEM_RECLAIM);
-	if (di->charger_wq == NULL) {
-		dev_err(dev, "failed to create work queue\n");
-		return -ENOMEM;
-	}
-
 	mutex_init(&di->charger_attached_mutex);
 
 	/* Init work for HW failure check */
@@ -3500,61 +3585,32 @@ static int ab8500_charger_probe(struct platform_device *pdev)
 	INIT_WORK(&di->check_usb_thermal_prot_work,
 		ab8500_charger_check_usb_thermal_prot_work);
 
-	/*
-	 * VDD ADC supply needs to be enabled from this driver when there
-	 * is a charger connected to avoid erroneous BTEMP_HIGH/LOW
-	 * interrupts during charging
-	 */
-	di->regu = devm_regulator_get(dev, "vddadc");
-	if (IS_ERR(di->regu)) {
-		ret = PTR_ERR(di->regu);
-		dev_err(dev, "failed to get vddadc regulator\n");
-		goto free_charger_wq;
-	}
-
 
 	/* Initialize OVV, and other registers */
 	ret = ab8500_charger_init_hw_registers(di);
 	if (ret) {
 		dev_err(dev, "failed to initialize ABB registers\n");
-		goto free_charger_wq;
+		return ret;
 	}
 
 	/* Register AC charger class */
 	if (di->ac_chg.enabled) {
-		di->ac_chg.psy = power_supply_register(dev,
+		di->ac_chg.psy = devm_power_supply_register(dev,
 						       &ab8500_ac_chg_desc,
 						       &ac_psy_cfg);
 		if (IS_ERR(di->ac_chg.psy)) {
 			dev_err(dev, "failed to register AC charger\n");
-			ret = PTR_ERR(di->ac_chg.psy);
-			goto free_charger_wq;
+			return PTR_ERR(di->ac_chg.psy);
 		}
 	}
 
 	/* Register USB charger class */
-	if (di->usb_chg.enabled) {
-		di->usb_chg.psy = power_supply_register(dev,
-							&ab8500_usb_chg_desc,
-							&usb_psy_cfg);
-		if (IS_ERR(di->usb_chg.psy)) {
-			dev_err(dev, "failed to register USB charger\n");
-			ret = PTR_ERR(di->usb_chg.psy);
-			goto free_ac;
-		}
-	}
-
-	di->usb_phy = usb_get_phy(USB_PHY_TYPE_USB2);
-	if (IS_ERR_OR_NULL(di->usb_phy)) {
-		dev_err(dev, "failed to get usb transceiver\n");
-		ret = -EINVAL;
-		goto free_usb;
-	}
-	di->nb.notifier_call = ab8500_charger_usb_notifier_call;
-	ret = usb_register_notifier(di->usb_phy, &di->nb);
-	if (ret) {
-		dev_err(dev, "failed to register usb notifier\n");
-		goto put_usb_phy;
+	di->usb_chg.psy = devm_power_supply_register(dev,
+						     &ab8500_usb_chg_desc,
+						     &usb_psy_cfg);
+	if (IS_ERR(di->usb_chg.psy)) {
+		dev_err(dev, "failed to register USB charger\n");
+		return PTR_ERR(di->usb_chg.psy);
 	}
 
 	/* Identify the connected charger types during startup */
@@ -3566,84 +3622,93 @@ static int ab8500_charger_probe(struct platform_device *pdev)
 		sysfs_notify(&di->ac_chg.psy->dev.kobj, NULL, "present");
 	}
 
-	if (charger_status & USB_PW_CONN) {
-		di->vbus_detected = true;
-		di->vbus_detected_start = true;
-		queue_work(di->charger_wq,
-			&di->detect_usb_type_work);
-	}
-
-	/* Register interrupts */
-	for (i = 0; i < ARRAY_SIZE(ab8500_charger_irq); i++) {
-		irq = platform_get_irq_byname(pdev, ab8500_charger_irq[i].name);
-		if (irq < 0) {
-			ret = irq;
-			goto free_irq;
-		}
+	platform_set_drvdata(pdev, di);
 
-		ret = request_threaded_irq(irq, NULL, ab8500_charger_irq[i].isr,
-			IRQF_SHARED | IRQF_NO_SUSPEND | IRQF_ONESHOT,
-			ab8500_charger_irq[i].name, di);
+	/* Create something that will match the subdrivers when we bind */
+	for (i = 0; i < ARRAY_SIZE(ab8500_charger_component_drivers); i++) {
+		struct device_driver *drv = &ab8500_charger_component_drivers[i]->driver;
+		struct device *p = NULL, *d;
 
-		if (ret != 0) {
-			dev_err(dev, "failed to request %s IRQ %d: %d\n"
-				, ab8500_charger_irq[i].name, irq, ret);
-			goto free_irq;
+		while ((d = platform_find_device_by_driver(p, drv))) {
+			put_device(p);
+			component_match_add(dev, &match,
+					    ab8500_charger_compare_dev, d);
+			p = d;
 		}
-		dev_dbg(dev, "Requested %s IRQ %d: %d\n",
-			ab8500_charger_irq[i].name, irq, ret);
+		put_device(p);
+	}
+	if (!match) {
+		dev_err(dev, "no matching components\n");
+		return -ENODEV;
+	}
+	if (IS_ERR(match)) {
+		dev_err(dev, "could not create component match\n");
+		return PTR_ERR(match);
 	}
 
-	platform_set_drvdata(pdev, di);
-
-	mutex_lock(&di->charger_attached_mutex);
+	/* Notifier for external charger enabling */
+	if (!di->ac_chg.enabled)
+		blocking_notifier_chain_register(
+			&charger_notifier_list, &charger_nb);
 
-	ch_stat = ab8500_charger_detect_chargers(di, false);
 
-	if ((ch_stat & AC_PW_CONN) == AC_PW_CONN) {
-		if (is_ab8500(di->parent))
-			queue_delayed_work(di->charger_wq,
-					   &di->ac_charger_attached_work,
-					   HZ);
+	di->usb_phy = usb_get_phy(USB_PHY_TYPE_USB2);
+	if (IS_ERR_OR_NULL(di->usb_phy)) {
+		dev_err(dev, "failed to get usb transceiver\n");
+		ret = -EINVAL;
+		goto out_charger_notifier;
 	}
-	if ((ch_stat & USB_PW_CONN) == USB_PW_CONN) {
-		if (is_ab8500(di->parent))
-			queue_delayed_work(di->charger_wq,
-					   &di->usb_charger_attached_work,
-					   HZ);
+	di->nb.notifier_call = ab8500_charger_usb_notifier_call;
+	ret = usb_register_notifier(di->usb_phy, &di->nb);
+	if (ret) {
+		dev_err(dev, "failed to register usb notifier\n");
+		goto put_usb_phy;
 	}
 
-	mutex_unlock(&di->charger_attached_mutex);
 
-	return ret;
+	ret = component_master_add_with_match(&pdev->dev,
+					      &ab8500_charger_comp_ops,
+					      match);
+	if (ret) {
+		dev_err(dev, "failed to add component master\n");
+		goto free_notifier;
+	}
 
-free_irq:
-	usb_unregister_notifier(di->usb_phy, &di->nb);
+	return 0;
 
-	/* We also have to free all successfully registered irqs */
-	for (i = i - 1; i >= 0; i--) {
-		irq = platform_get_irq_byname(pdev, ab8500_charger_irq[i].name);
-		free_irq(irq, di);
-	}
+free_notifier:
+	usb_unregister_notifier(di->usb_phy, &di->nb);
 put_usb_phy:
 	usb_put_phy(di->usb_phy);
-free_usb:
-	if (di->usb_chg.enabled)
-		power_supply_unregister(di->usb_chg.psy);
-free_ac:
-	if (di->ac_chg.enabled)
-		power_supply_unregister(di->ac_chg.psy);
-free_charger_wq:
-	destroy_workqueue(di->charger_wq);
+out_charger_notifier:
+	if (!di->ac_chg.enabled)
+		blocking_notifier_chain_unregister(
+			&charger_notifier_list, &charger_nb);
 	return ret;
 }
 
+static int ab8500_charger_remove(struct platform_device *pdev)
+{
+	struct ab8500_charger *di = platform_get_drvdata(pdev);
+
+	component_master_del(&pdev->dev, &ab8500_charger_comp_ops);
+
+	usb_unregister_notifier(di->usb_phy, &di->nb);
+	usb_put_phy(di->usb_phy);
+	if (!di->ac_chg.enabled)
+		blocking_notifier_chain_unregister(
+			&charger_notifier_list, &charger_nb);
+
+	return 0;
+}
+
 static SIMPLE_DEV_PM_OPS(ab8500_charger_pm_ops, ab8500_charger_suspend, ab8500_charger_resume);
 
 static const struct of_device_id ab8500_charger_match[] = {
 	{ .compatible = "stericsson,ab8500-charger", },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, ab8500_charger_match);
 
 static struct platform_driver ab8500_charger_driver = {
 	.probe = ab8500_charger_probe,
@@ -3657,15 +3722,24 @@ static struct platform_driver ab8500_charger_driver = {
 
 static int __init ab8500_charger_init(void)
 {
+	int ret;
+
+	ret = platform_register_drivers(ab8500_charger_component_drivers,
+			ARRAY_SIZE(ab8500_charger_component_drivers));
+	if (ret)
+		return ret;
+
 	return platform_driver_register(&ab8500_charger_driver);
 }
 
 static void __exit ab8500_charger_exit(void)
 {
+	platform_unregister_drivers(ab8500_charger_component_drivers,
+			ARRAY_SIZE(ab8500_charger_component_drivers));
 	platform_driver_unregister(&ab8500_charger_driver);
 }
 
-subsys_initcall_sync(ab8500_charger_init);
+module_init(ab8500_charger_init);
 module_exit(ab8500_charger_exit);
 
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c
index 0c7c01a0d979..46c718e9ebb7 100644
--- a/drivers/power/supply/ab8500_fg.c
+++ b/drivers/power/supply/ab8500_fg.c
@@ -17,6 +17,7 @@
 
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/component.h>
 #include <linux/device.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
@@ -2980,27 +2981,6 @@ static int __maybe_unused ab8500_fg_suspend(struct device *dev)
 	return 0;
 }
 
-static int ab8500_fg_remove(struct platform_device *pdev)
-{
-	int ret = 0;
-	struct ab8500_fg *di = platform_get_drvdata(pdev);
-
-	list_del(&di->node);
-
-	/* Disable coulomb counter */
-	ret = ab8500_fg_coulomb_counter(di, false);
-	if (ret)
-		dev_err(di->dev, "failed to disable coulomb counter\n");
-
-	destroy_workqueue(di->fg_wq);
-	ab8500_fg_sysfs_exit(di);
-
-	flush_scheduled_work();
-	ab8500_fg_sysfs_psy_remove_attrs(di);
-	power_supply_unregister(di->fg_psy);
-	return ret;
-}
-
 /* ab8500 fg driver interrupts and their respective isr */
 static struct ab8500_fg_interrupts ab8500_fg_irq[] = {
 	{"NCONV_ACCU", ab8500_fg_cc_convend_handler},
@@ -3024,11 +3004,50 @@ static const struct power_supply_desc ab8500_fg_desc = {
 	.external_power_changed	= ab8500_fg_external_power_changed,
 };
 
+static int ab8500_fg_bind(struct device *dev, struct device *master,
+			  void *data)
+{
+	struct ab8500_fg *di = dev_get_drvdata(dev);
+
+	/* Create a work queue for running the FG algorithm */
+	di->fg_wq = alloc_ordered_workqueue("ab8500_fg_wq", WQ_MEM_RECLAIM);
+	if (di->fg_wq == NULL) {
+		dev_err(dev, "failed to create work queue\n");
+		return -ENOMEM;
+	}
+
+	/* Start the coulomb counter */
+	ab8500_fg_coulomb_counter(di, true);
+	/* Run the FG algorithm */
+	queue_delayed_work(di->fg_wq, &di->fg_periodic_work, 0);
+
+	return 0;
+}
+
+static void ab8500_fg_unbind(struct device *dev, struct device *master,
+			     void *data)
+{
+	struct ab8500_fg *di = dev_get_drvdata(dev);
+	int ret;
+
+	/* Disable coulomb counter */
+	ret = ab8500_fg_coulomb_counter(di, false);
+	if (ret)
+		dev_err(dev, "failed to disable coulomb counter\n");
+
+	destroy_workqueue(di->fg_wq);
+	flush_scheduled_work();
+}
+
+static const struct component_ops ab8500_fg_component_ops = {
+	.bind = ab8500_fg_bind,
+	.unbind = ab8500_fg_unbind,
+};
+
 static int ab8500_fg_probe(struct platform_device *pdev)
 {
-	struct device_node *np = pdev->dev.of_node;
-	struct power_supply_config psy_cfg = {};
 	struct device *dev = &pdev->dev;
+	struct power_supply_config psy_cfg = {};
 	struct ab8500_fg *di;
 	int i, irq;
 	int ret = 0;
@@ -3074,13 +3093,6 @@ static int ab8500_fg_probe(struct platform_device *pdev)
 	ab8500_fg_charge_state_to(di, AB8500_FG_CHARGE_INIT);
 	ab8500_fg_discharge_state_to(di, AB8500_FG_DISCHARGE_INIT);
 
-	/* Create a work queue for running the FG algorithm */
-	di->fg_wq = alloc_ordered_workqueue("ab8500_fg_wq", WQ_MEM_RECLAIM);
-	if (di->fg_wq == NULL) {
-		dev_err(dev, "failed to create work queue\n");
-		return -ENOMEM;
-	}
-
 	/* Init work for running the fg algorithm instantly */
 	INIT_WORK(&di->fg_work, ab8500_fg_instant_work);
 
@@ -3113,7 +3125,7 @@ static int ab8500_fg_probe(struct platform_device *pdev)
 	ret = ab8500_fg_init_hw_registers(di);
 	if (ret) {
 		dev_err(dev, "failed to initialize registers\n");
-		goto free_inst_curr_wq;
+		return ret;
 	}
 
 	/* Consider battery unknown until we're informed otherwise */
@@ -3121,15 +3133,13 @@ static int ab8500_fg_probe(struct platform_device *pdev)
 	di->flags.batt_id_received = false;
 
 	/* Register FG power supply class */
-	di->fg_psy = power_supply_register(dev, &ab8500_fg_desc, &psy_cfg);
+	di->fg_psy = devm_power_supply_register(dev, &ab8500_fg_desc, &psy_cfg);
 	if (IS_ERR(di->fg_psy)) {
 		dev_err(dev, "failed to register FG psy\n");
-		ret = PTR_ERR(di->fg_psy);
-		goto free_inst_curr_wq;
+		return PTR_ERR(di->fg_psy);
 	}
 
 	di->fg_samples = SEC_TO_SAMPLE(di->bm->fg_params->init_timer);
-	ab8500_fg_coulomb_counter(di, true);
 
 	/*
 	 * Initialize completion used to notify completion and start
@@ -3141,19 +3151,18 @@ static int ab8500_fg_probe(struct platform_device *pdev)
 	/* Register primary interrupt handlers */
 	for (i = 0; i < ARRAY_SIZE(ab8500_fg_irq); i++) {
 		irq = platform_get_irq_byname(pdev, ab8500_fg_irq[i].name);
-		if (irq < 0) {
-			ret = irq;
-			goto free_irq;
-		}
+		if (irq < 0)
+			return irq;
 
-		ret = request_threaded_irq(irq, NULL, ab8500_fg_irq[i].isr,
+		ret = devm_request_threaded_irq(dev, irq, NULL,
+				  ab8500_fg_irq[i].isr,
 				  IRQF_SHARED | IRQF_NO_SUSPEND | IRQF_ONESHOT,
 				  ab8500_fg_irq[i].name, di);
 
 		if (ret != 0) {
 			dev_err(dev, "failed to request %s IRQ %d: %d\n",
 				ab8500_fg_irq[i].name, irq, ret);
-			goto free_irq;
+			return ret;
 		}
 		dev_dbg(dev, "Requested %s IRQ %d: %d\n",
 			ab8500_fg_irq[i].name, irq, ret);
@@ -3168,14 +3177,14 @@ static int ab8500_fg_probe(struct platform_device *pdev)
 	ret = ab8500_fg_sysfs_init(di);
 	if (ret) {
 		dev_err(dev, "failed to create sysfs entry\n");
-		goto free_irq;
+		return ret;
 	}
 
 	ret = ab8500_fg_sysfs_psy_create_attrs(di);
 	if (ret) {
 		dev_err(dev, "failed to create FG psy\n");
 		ab8500_fg_sysfs_exit(di);
-		goto free_irq;
+		return ret;
 	}
 
 	/* Calibrate the fg first time */
@@ -3185,24 +3194,21 @@ static int ab8500_fg_probe(struct platform_device *pdev)
 	/* Use room temp as default value until we get an update from driver. */
 	di->bat_temp = 210;
 
-	/* Run the FG algorithm */
-	queue_delayed_work(di->fg_wq, &di->fg_periodic_work, 0);
-
 	list_add_tail(&di->node, &ab8500_fg_list);
 
-	return ret;
+	return component_add(dev, &ab8500_fg_component_ops);
+}
 
-free_irq:
-	/* We also have to free all registered irqs */
-	while (--i >= 0) {
-		/* Last assignment of i from primary interrupt handlers */
-		irq = platform_get_irq_byname(pdev, ab8500_fg_irq[i].name);
-		free_irq(irq, di);
-	}
+static int ab8500_fg_remove(struct platform_device *pdev)
+{
+	int ret = 0;
+	struct ab8500_fg *di = platform_get_drvdata(pdev);
+
+	component_del(&pdev->dev, &ab8500_fg_component_ops);
+	list_del(&di->node);
+	ab8500_fg_sysfs_exit(di);
+	ab8500_fg_sysfs_psy_remove_attrs(di);
 
-	power_supply_unregister(di->fg_psy);
-free_inst_curr_wq:
-	destroy_workqueue(di->fg_wq);
 	return ret;
 }
 
@@ -3212,8 +3218,9 @@ static const struct of_device_id ab8500_fg_match[] = {
 	{ .compatible = "stericsson,ab8500-fg", },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, ab8500_fg_match);
 
-static struct platform_driver ab8500_fg_driver = {
+struct platform_driver ab8500_fg_driver = {
 	.probe = ab8500_fg_probe,
 	.remove = ab8500_fg_remove,
 	.driver = {
@@ -3222,20 +3229,6 @@ static struct platform_driver ab8500_fg_driver = {
 		.pm = &ab8500_fg_pm_ops,
 	},
 };
-
-static int __init ab8500_fg_init(void)
-{
-	return platform_driver_register(&ab8500_fg_driver);
-}
-
-static void __exit ab8500_fg_exit(void)
-{
-	platform_driver_unregister(&ab8500_fg_driver);
-}
-
-subsys_initcall_sync(ab8500_fg_init);
-module_exit(ab8500_fg_exit);
-
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Johan Palsson, Karl Komierowski");
 MODULE_ALIAS("platform:ab8500-fg");
diff --git a/drivers/power/supply/abx500_chargalg.c b/drivers/power/supply/abx500_chargalg.c
index f5b792243727..599684ce0e4b 100644
--- a/drivers/power/supply/abx500_chargalg.c
+++ b/drivers/power/supply/abx500_chargalg.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/device.h>
+#include <linux/component.h>
 #include <linux/hrtimer.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
@@ -1943,13 +1944,44 @@ static int __maybe_unused abx500_chargalg_suspend(struct device *dev)
 	return 0;
 }
 
-static int abx500_chargalg_remove(struct platform_device *pdev)
+static char *supply_interface[] = {
+	"ab8500_fg",
+};
+
+static const struct power_supply_desc abx500_chargalg_desc = {
+	.name			= "abx500_chargalg",
+	.type			= POWER_SUPPLY_TYPE_BATTERY,
+	.properties		= abx500_chargalg_props,
+	.num_properties		= ARRAY_SIZE(abx500_chargalg_props),
+	.get_property		= abx500_chargalg_get_property,
+	.external_power_changed	= abx500_chargalg_external_power_changed,
+};
+
+static int abx500_chargalg_bind(struct device *dev, struct device *master,
+				void *data)
 {
-	struct abx500_chargalg *di = platform_get_drvdata(pdev);
+	struct abx500_chargalg *di = dev_get_drvdata(dev);
 
-	/* sysfs interface to enable/disbale charging from user space */
-	abx500_chargalg_sysfs_exit(di);
+	/* Create a work queue for the chargalg */
+	di->chargalg_wq = alloc_ordered_workqueue("abx500_chargalg_wq",
+						  WQ_MEM_RECLAIM);
+	if (di->chargalg_wq == NULL) {
+		dev_err(di->dev, "failed to create work queue\n");
+		return -ENOMEM;
+	}
+
+	/* Run the charging algorithm */
+	queue_delayed_work(di->chargalg_wq, &di->chargalg_periodic_work, 0);
+
+	return 0;
+}
 
+static void abx500_chargalg_unbind(struct device *dev, struct device *master,
+				   void *data)
+{
+	struct abx500_chargalg *di = dev_get_drvdata(dev);
+
+	/* Stop all timers and work */
 	hrtimer_cancel(&di->safety_timer);
 	hrtimer_cancel(&di->maintenance_timer);
 
@@ -1959,48 +1991,36 @@ static int abx500_chargalg_remove(struct platform_device *pdev)
 
 	/* Delete the work queue */
 	destroy_workqueue(di->chargalg_wq);
-
-	power_supply_unregister(di->chargalg_psy);
-
-	return 0;
+	flush_scheduled_work();
 }
 
-static char *supply_interface[] = {
-	"ab8500_fg",
-};
-
-static const struct power_supply_desc abx500_chargalg_desc = {
-	.name			= "abx500_chargalg",
-	.type			= POWER_SUPPLY_TYPE_BATTERY,
-	.properties		= abx500_chargalg_props,
-	.num_properties		= ARRAY_SIZE(abx500_chargalg_props),
-	.get_property		= abx500_chargalg_get_property,
-	.external_power_changed	= abx500_chargalg_external_power_changed,
+static const struct component_ops abx500_chargalg_component_ops = {
+	.bind = abx500_chargalg_bind,
+	.unbind = abx500_chargalg_unbind,
 };
 
 static int abx500_chargalg_probe(struct platform_device *pdev)
 {
-	struct device_node *np = pdev->dev.of_node;
+	struct device *dev = &pdev->dev;
+	struct device_node *np = dev->of_node;
 	struct power_supply_config psy_cfg = {};
 	struct abx500_chargalg *di;
 	int ret = 0;
 
-	di = devm_kzalloc(&pdev->dev, sizeof(*di), GFP_KERNEL);
-	if (!di) {
-		dev_err(&pdev->dev, "%s no mem for ab8500_chargalg\n", __func__);
+	di = devm_kzalloc(dev, sizeof(*di), GFP_KERNEL);
+	if (!di)
 		return -ENOMEM;
-	}
 
 	di->bm = &ab8500_bm_data;
 
-	ret = ab8500_bm_of_probe(&pdev->dev, np, di->bm);
+	ret = ab8500_bm_of_probe(dev, np, di->bm);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to get battery information\n");
+		dev_err(dev, "failed to get battery information\n");
 		return ret;
 	}
 
 	/* get device struct and parent */
-	di->dev = &pdev->dev;
+	di->dev = dev;
 	di->parent = dev_get_drvdata(pdev->dev.parent);
 
 	psy_cfg.supplied_to = supply_interface;
@@ -2016,14 +2036,6 @@ static int abx500_chargalg_probe(struct platform_device *pdev)
 	di->maintenance_timer.function =
 		abx500_chargalg_maintenance_timer_expired;
 
-	/* Create a work queue for the chargalg */
-	di->chargalg_wq = alloc_ordered_workqueue("abx500_chargalg_wq",
-						   WQ_MEM_RECLAIM);
-	if (di->chargalg_wq == NULL) {
-		dev_err(di->dev, "failed to create work queue\n");
-		return -ENOMEM;
-	}
-
 	/* Init work for chargalg */
 	INIT_DEFERRABLE_WORK(&di->chargalg_periodic_work,
 		abx500_chargalg_periodic_work);
@@ -2037,12 +2049,12 @@ static int abx500_chargalg_probe(struct platform_device *pdev)
 	di->chg_info.prev_conn_chg = -1;
 
 	/* Register chargalg power supply class */
-	di->chargalg_psy = power_supply_register(di->dev, &abx500_chargalg_desc,
+	di->chargalg_psy = devm_power_supply_register(di->dev,
+						 &abx500_chargalg_desc,
 						 &psy_cfg);
 	if (IS_ERR(di->chargalg_psy)) {
 		dev_err(di->dev, "failed to register chargalg psy\n");
-		ret = PTR_ERR(di->chargalg_psy);
-		goto free_chargalg_wq;
+		return PTR_ERR(di->chargalg_psy);
 	}
 
 	platform_set_drvdata(pdev, di);
@@ -2051,21 +2063,24 @@ static int abx500_chargalg_probe(struct platform_device *pdev)
 	ret = abx500_chargalg_sysfs_init(di);
 	if (ret) {
 		dev_err(di->dev, "failed to create sysfs entry\n");
-		goto free_psy;
+		return ret;
 	}
 	di->curr_status.curr_step = CHARGALG_CURR_STEP_HIGH;
 
-	/* Run the charging algorithm */
-	queue_delayed_work(di->chargalg_wq, &di->chargalg_periodic_work, 0);
-
 	dev_info(di->dev, "probe success\n");
-	return ret;
+	return component_add(dev, &abx500_chargalg_component_ops);
+}
 
-free_psy:
-	power_supply_unregister(di->chargalg_psy);
-free_chargalg_wq:
-	destroy_workqueue(di->chargalg_wq);
-	return ret;
+static int abx500_chargalg_remove(struct platform_device *pdev)
+{
+	struct abx500_chargalg *di = platform_get_drvdata(pdev);
+
+	component_del(&pdev->dev, &abx500_chargalg_component_ops);
+
+	/* sysfs interface to enable/disable charging from user space */
+	abx500_chargalg_sysfs_exit(di);
+
+	return 0;
 }
 
 static SIMPLE_DEV_PM_OPS(abx500_chargalg_pm_ops, abx500_chargalg_suspend, abx500_chargalg_resume);
@@ -2075,7 +2090,7 @@ static const struct of_device_id ab8500_chargalg_match[] = {
 	{ },
 };
 
-static struct platform_driver abx500_chargalg_driver = {
+struct platform_driver abx500_chargalg_driver = {
 	.probe = abx500_chargalg_probe,
 	.remove = abx500_chargalg_remove,
 	.driver = {
@@ -2084,9 +2099,6 @@ static struct platform_driver abx500_chargalg_driver = {
 		.pm = &abx500_chargalg_pm_ops,
 	},
 };
-
-module_platform_driver(abx500_chargalg_driver);
-
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Johan Palsson, Karl Komierowski");
 MODULE_ALIAS("platform:abx500-chargalg");
diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c
index 39e16ecb7638..37af0e216bc3 100644
--- a/drivers/power/supply/axp288_fuel_gauge.c
+++ b/drivers/power/supply/axp288_fuel_gauge.c
@@ -723,15 +723,6 @@ static const struct dmi_system_id axp288_fuel_gauge_blacklist[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "MEEGOPAD T02"),
 		},
 	},
-	{
-		/* Meegopad T08 */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Default string"),
-			DMI_MATCH(DMI_BOARD_VENDOR, "To be filled by OEM."),
-			DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"),
-			DMI_MATCH(DMI_BOARD_VERSION, "V1.1"),
-		},
-	},
 	{	/* Mele PCG03 Mini PC */
 		.matches = {
 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Mini PC"),
@@ -745,6 +736,15 @@ static const struct dmi_system_id axp288_fuel_gauge_blacklist[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Z83-4"),
 		}
 	},
+	{
+		/* Various Ace PC/Meegopad/MinisForum/Wintel Mini-PCs/HDMI-sticks */
+		.matches = {
+			DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"),
+			DMI_MATCH(DMI_CHASSIS_TYPE, "3"),
+			DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
+			DMI_MATCH(DMI_BIOS_VERSION, "5.11"),
+		},
+	},
 	{}
 };
 
diff --git a/drivers/power/supply/charger-manager.c b/drivers/power/supply/charger-manager.c
index 45da870aecca..d67edb760c94 100644
--- a/drivers/power/supply/charger-manager.c
+++ b/drivers/power/supply/charger-manager.c
@@ -1279,6 +1279,7 @@ static const struct of_device_id charger_manager_match[] = {
 	},
 	{},
 };
+MODULE_DEVICE_TABLE(of, charger_manager_match);
 
 static struct charger_desc *of_cm_parse_desc(struct device *dev)
 {
diff --git a/drivers/power/supply/max17040_battery.c b/drivers/power/supply/max17040_battery.c
index 1aab868adabf..e80dd9141ae7 100644
--- a/drivers/power/supply/max17040_battery.c
+++ b/drivers/power/supply/max17040_battery.c
@@ -361,12 +361,10 @@ static irqreturn_t max17040_thread_handler(int id, void *dev)
 static int max17040_enable_alert_irq(struct max17040_chip *chip)
 {
 	struct i2c_client *client = chip->client;
-	unsigned int flags;
 	int ret;
 
-	flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
 	ret = devm_request_threaded_irq(&client->dev, client->irq, NULL,
-					max17040_thread_handler, flags,
+					max17040_thread_handler, IRQF_ONESHOT,
 					chip->battery->desc->name, chip);
 
 	return ret;
diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c
index 1d7326cd8fc6..ce2041b30a06 100644
--- a/drivers/power/supply/max17042_battery.c
+++ b/drivers/power/supply/max17042_battery.c
@@ -1104,7 +1104,7 @@ static int max17042_probe(struct i2c_client *client,
 	}
 
 	if (client->irq) {
-		unsigned int flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
+		unsigned int flags = IRQF_ONESHOT;
 
 		/*
 		 * On ACPI systems the IRQ may be handled by ACPI-event code,
diff --git a/drivers/power/supply/rt5033_battery.c b/drivers/power/supply/rt5033_battery.c
index f330452341f0..9ad0afe83d1b 100644
--- a/drivers/power/supply/rt5033_battery.c
+++ b/drivers/power/supply/rt5033_battery.c
@@ -164,9 +164,16 @@ static const struct i2c_device_id rt5033_battery_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, rt5033_battery_id);
 
+static const struct of_device_id rt5033_battery_of_match[] = {
+	{ .compatible = "richtek,rt5033-battery", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, rt5033_battery_of_match);
+
 static struct i2c_driver rt5033_battery_driver = {
 	.driver = {
 		.name = "rt5033-battery",
+		.of_match_table = rt5033_battery_of_match,
 	},
 	.probe = rt5033_battery_probe,
 	.remove = rt5033_battery_remove,
diff --git a/drivers/power/supply/sc2731_charger.c b/drivers/power/supply/sc2731_charger.c
index 335cb857ef30..288b79836c13 100644
--- a/drivers/power/supply/sc2731_charger.c
+++ b/drivers/power/supply/sc2731_charger.c
@@ -524,6 +524,7 @@ static const struct of_device_id sc2731_charger_of_match[] = {
 	{ .compatible = "sprd,sc2731-charger", },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sc2731_charger_of_match);
 
 static struct platform_driver sc2731_charger_driver = {
 	.driver = {
diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c
index 9c627618c224..1ae8374e1ceb 100644
--- a/drivers/power/supply/sc27xx_fuel_gauge.c
+++ b/drivers/power/supply/sc27xx_fuel_gauge.c
@@ -1342,6 +1342,7 @@ static const struct of_device_id sc27xx_fgu_of_match[] = {
 	{ .compatible = "sprd,sc2731-fgu", },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, sc27xx_fgu_of_match);
 
 static struct platform_driver sc27xx_fgu_driver = {
 	.probe = sc27xx_fgu_probe,
diff --git a/drivers/power/supply/surface_battery.c b/drivers/power/supply/surface_battery.c
index 7efa431a62b2..5ec2e6bb2465 100644
--- a/drivers/power/supply/surface_battery.c
+++ b/drivers/power/supply/surface_battery.c
@@ -345,6 +345,16 @@ static u32 spwr_notify_bat(struct ssam_event_notifier *nf, const struct ssam_eve
 	struct spwr_battery_device *bat = container_of(nf, struct spwr_battery_device, notif);
 	int status;
 
+	/*
+	 * We cannot use strict matching when registering the notifier as the
+	 * EC expects us to register it against instance ID 0. Strict matching
+	 * would thus drop events, as those may have non-zero instance IDs in
+	 * this subsystem. So we need to check the instance ID of the event
+	 * here manually.
+	 */
+	if (event->instance_id != bat->sdev->uid.instance)
+		return 0;
+
 	dev_dbg(&bat->sdev->dev, "power event (cid = %#04x, iid = %#04x, tid = %#04x)\n",
 		event->command_id, event->instance_id, event->target_id);
 
@@ -720,8 +730,8 @@ static void spwr_battery_init(struct spwr_battery_device *bat, struct ssam_devic
 	bat->notif.base.fn = spwr_notify_bat;
 	bat->notif.event.reg = registry;
 	bat->notif.event.id.target_category = sdev->uid.category;
-	bat->notif.event.id.instance = 0;
-	bat->notif.event.mask = SSAM_EVENT_MASK_STRICT;
+	bat->notif.event.id.instance = 0;	/* need to register with instance 0 */
+	bat->notif.event.mask = SSAM_EVENT_MASK_TARGET;
 	bat->notif.event.flags = SSAM_EVENT_SEQUENCED;
 
 	bat->psy_desc.name = bat->name;
diff --git a/drivers/power/supply/surface_charger.c b/drivers/power/supply/surface_charger.c
index 81a5b79822c9..a060c36c7766 100644
--- a/drivers/power/supply/surface_charger.c
+++ b/drivers/power/supply/surface_charger.c
@@ -66,7 +66,7 @@ struct spwr_ac_device {
 
 static int spwr_ac_update_unlocked(struct spwr_ac_device *ac)
 {
-	u32 old = ac->state;
+	__le32 old = ac->state;
 	int status;
 
 	lockdep_assert_held(&ac->lock);
diff --git a/drivers/pwm/pwm-img.c b/drivers/pwm/pwm-img.c
index cc37054589cc..11b16ecc4f96 100644
--- a/drivers/pwm/pwm-img.c
+++ b/drivers/pwm/pwm-img.c
@@ -156,7 +156,7 @@ static int img_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 	struct img_pwm_chip *pwm_chip = to_img_pwm_chip(chip);
 	int ret;
 
-	ret = pm_runtime_get_sync(chip->dev);
+	ret = pm_runtime_resume_and_get(chip->dev);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/pwm/pwm-imx1.c b/drivers/pwm/pwm-imx1.c
index c957b365448e..e73858a8e464 100644
--- a/drivers/pwm/pwm-imx1.c
+++ b/drivers/pwm/pwm-imx1.c
@@ -168,8 +168,6 @@ static int pwm_imx1_remove(struct platform_device *pdev)
 {
 	struct pwm_imx1_chip *imx = platform_get_drvdata(pdev);
 
-	pwm_imx1_clk_disable_unprepare(&imx->chip);
-
 	return pwmchip_remove(&imx->chip);
 }
 
diff --git a/drivers/pwm/pwm-pca9685.c b/drivers/pwm/pwm-pca9685.c
index 7c9f174de64e..ec9f93006654 100644
--- a/drivers/pwm/pwm-pca9685.c
+++ b/drivers/pwm/pwm-pca9685.c
@@ -23,11 +23,11 @@
 #include <linux/bitmap.h>
 
 /*
- * Because the PCA9685 has only one prescaler per chip, changing the period of
- * one channel affects the period of all 16 PWM outputs!
- * However, the ratio between each configured duty cycle and the chip-wide
- * period remains constant, because the OFF time is set in proportion to the
- * counter range.
+ * Because the PCA9685 has only one prescaler per chip, only the first channel
+ * that is enabled is allowed to change the prescale register.
+ * PWM channels requested afterwards must use a period that results in the same
+ * prescale setting as the one set by the first requested channel.
+ * GPIOs do not count as enabled PWMs as they are not using the prescaler.
  */
 
 #define PCA9685_MODE1		0x00
@@ -78,8 +78,9 @@
 struct pca9685 {
 	struct pwm_chip chip;
 	struct regmap *regmap;
-#if IS_ENABLED(CONFIG_GPIOLIB)
 	struct mutex lock;
+	DECLARE_BITMAP(pwms_enabled, PCA9685_MAXCHAN + 1);
+#if IS_ENABLED(CONFIG_GPIOLIB)
 	struct gpio_chip gpio;
 	DECLARE_BITMAP(pwms_inuse, PCA9685_MAXCHAN + 1);
 #endif
@@ -90,6 +91,22 @@ static inline struct pca9685 *to_pca(struct pwm_chip *chip)
 	return container_of(chip, struct pca9685, chip);
 }
 
+/* This function is supposed to be called with the lock mutex held */
+static bool pca9685_prescaler_can_change(struct pca9685 *pca, int channel)
+{
+	/* No PWM enabled: Change allowed */
+	if (bitmap_empty(pca->pwms_enabled, PCA9685_MAXCHAN + 1))
+		return true;
+	/* More than one PWM enabled: Change not allowed */
+	if (bitmap_weight(pca->pwms_enabled, PCA9685_MAXCHAN + 1) > 1)
+		return false;
+	/*
+	 * Only one PWM enabled: Change allowed if the PWM about to
+	 * be changed is the one that is already enabled
+	 */
+	return test_bit(channel, pca->pwms_enabled);
+}
+
 /* Helper function to set the duty cycle ratio to duty/4096 (e.g. duty=2048 -> 50%) */
 static void pca9685_pwm_set_duty(struct pca9685 *pca, int channel, unsigned int duty)
 {
@@ -240,8 +257,6 @@ static int pca9685_pwm_gpio_probe(struct pca9685 *pca)
 {
 	struct device *dev = pca->chip.dev;
 
-	mutex_init(&pca->lock);
-
 	pca->gpio.label = dev_name(dev);
 	pca->gpio.parent = dev;
 	pca->gpio.request = pca9685_pwm_gpio_request;
@@ -285,8 +300,8 @@ static void pca9685_set_sleep_mode(struct pca9685 *pca, bool enable)
 	}
 }
 
-static int pca9685_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
-			     const struct pwm_state *state)
+static int __pca9685_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
+			       const struct pwm_state *state)
 {
 	struct pca9685 *pca = to_pca(chip);
 	unsigned long long duty, prescale;
@@ -309,6 +324,12 @@ static int pca9685_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 
 	regmap_read(pca->regmap, PCA9685_PRESCALE, &val);
 	if (prescale != val) {
+		if (!pca9685_prescaler_can_change(pca, pwm->hwpwm)) {
+			dev_err(chip->dev,
+				"pwm not changed: periods of enabled pwms must match!\n");
+			return -EBUSY;
+		}
+
 		/*
 		 * Putting the chip briefly into SLEEP mode
 		 * at this point won't interfere with the
@@ -331,6 +352,25 @@ static int pca9685_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 	return 0;
 }
 
+static int pca9685_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
+			     const struct pwm_state *state)
+{
+	struct pca9685 *pca = to_pca(chip);
+	int ret;
+
+	mutex_lock(&pca->lock);
+	ret = __pca9685_pwm_apply(chip, pwm, state);
+	if (ret == 0) {
+		if (state->enabled)
+			set_bit(pwm->hwpwm, pca->pwms_enabled);
+		else
+			clear_bit(pwm->hwpwm, pca->pwms_enabled);
+	}
+	mutex_unlock(&pca->lock);
+
+	return ret;
+}
+
 static void pca9685_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
 				  struct pwm_state *state)
 {
@@ -372,6 +412,14 @@ static int pca9685_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
 
 	if (pca9685_pwm_test_and_set_inuse(pca, pwm->hwpwm))
 		return -EBUSY;
+
+	if (pwm->hwpwm < PCA9685_MAXCHAN) {
+		/* PWMs - except the "all LEDs" channel - default to enabled */
+		mutex_lock(&pca->lock);
+		set_bit(pwm->hwpwm, pca->pwms_enabled);
+		mutex_unlock(&pca->lock);
+	}
+
 	pm_runtime_get_sync(chip->dev);
 
 	return 0;
@@ -381,7 +429,11 @@ static void pca9685_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
 {
 	struct pca9685 *pca = to_pca(chip);
 
+	mutex_lock(&pca->lock);
 	pca9685_pwm_set_duty(pca, pwm->hwpwm, 0);
+	clear_bit(pwm->hwpwm, pca->pwms_enabled);
+	mutex_unlock(&pca->lock);
+
 	pm_runtime_put(chip->dev);
 	pca9685_pwm_clear_inuse(pca, pwm->hwpwm);
 }
@@ -422,6 +474,8 @@ static int pca9685_pwm_probe(struct i2c_client *client,
 
 	i2c_set_clientdata(client, pca);
 
+	mutex_init(&pca->lock);
+
 	regmap_read(pca->regmap, PCA9685_MODE2, &reg);
 
 	if (device_property_read_bool(&client->dev, "invert"))
diff --git a/drivers/pwm/pwm-spear.c b/drivers/pwm/pwm-spear.c
index 1a1cedfd11ce..6879b49581b3 100644
--- a/drivers/pwm/pwm-spear.c
+++ b/drivers/pwm/pwm-spear.c
@@ -228,10 +228,6 @@ static int spear_pwm_probe(struct platform_device *pdev)
 static int spear_pwm_remove(struct platform_device *pdev)
 {
 	struct spear_pwm_chip *pc = platform_get_drvdata(pdev);
-	int i;
-
-	for (i = 0; i < NUM_PWM; i++)
-		pwm_disable(&pc->chip.pwms[i]);
 
 	/* clk was prepared in probe, hence unprepare it here */
 	clk_unprepare(pc->clk);
diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c
index c529a170bcdd..5509ce0d5432 100644
--- a/drivers/pwm/pwm-tegra.c
+++ b/drivers/pwm/pwm-tegra.c
@@ -300,7 +300,6 @@ static int tegra_pwm_probe(struct platform_device *pdev)
 static int tegra_pwm_remove(struct platform_device *pdev)
 {
 	struct tegra_pwm_chip *pc = platform_get_drvdata(pdev);
-	unsigned int i;
 	int err;
 
 	if (WARN_ON(!pc))
@@ -310,18 +309,6 @@ static int tegra_pwm_remove(struct platform_device *pdev)
 	if (err < 0)
 		return err;
 
-	for (i = 0; i < pc->chip.npwm; i++) {
-		struct pwm_device *pwm = &pc->chip.pwms[i];
-
-		if (!pwm_is_enabled(pwm))
-			if (clk_prepare_enable(pc->clk) < 0)
-				continue;
-
-		pwm_writel(pc, i, 0);
-
-		clk_disable_unprepare(pc->clk);
-	}
-
 	reset_control_assert(pc->rst);
 	clk_disable_unprepare(pc->clk);
 
diff --git a/drivers/pwm/pwm-visconti.c b/drivers/pwm/pwm-visconti.c
index 46d903786366..af4e37d3e3a6 100644
--- a/drivers/pwm/pwm-visconti.c
+++ b/drivers/pwm/pwm-visconti.c
@@ -82,17 +82,14 @@ static int visconti_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 		return -ERANGE;
 
 	/*
-	 * PWMC controls a divider that divides the input clk by a
-	 * power of two between 1 and 8. As a smaller divider yields
-	 * higher precision, pick the smallest possible one.
+	 * PWMC controls a divider that divides the input clk by a power of two
+	 * between 1 and 8. As a smaller divider yields higher precision, pick
+	 * the smallest possible one. As period is at most 0xffff << 3, pwmc0 is
+	 * in the intended range [0..3].
 	 */
-	if (period > 0xffff) {
-		pwmc0 = ilog2(period >> 16);
-		if (WARN_ON(pwmc0 > 3))
-			return -EINVAL;
-	} else {
-		pwmc0 = 0;
-	}
+	pwmc0 = fls(period >> 16);
+	if (WARN_ON(pwmc0 > 3))
+		return -EINVAL;
 
 	period >>= pwmc0;
 	duty_cycle >>= pwmc0;
diff --git a/drivers/remoteproc/remoteproc_cdev.c b/drivers/remoteproc/remoteproc_cdev.c
index 0b8a84c04f76..4ad98b0b8caa 100644
--- a/drivers/remoteproc/remoteproc_cdev.c
+++ b/drivers/remoteproc/remoteproc_cdev.c
@@ -124,7 +124,7 @@ int rproc_char_device_add(struct rproc *rproc)
 
 void rproc_char_device_remove(struct rproc *rproc)
 {
-	__unregister_chrdev(MAJOR(rproc->dev.devt), rproc->index, 1, "remoteproc");
+	cdev_del(&rproc->cdev);
 }
 
 void __init rproc_init_cdev(void)
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 626a6b90fba2..203e2bd8ebb4 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -2602,7 +2602,6 @@ int rproc_del(struct rproc *rproc)
 	mutex_unlock(&rproc->lock);
 
 	rproc_delete_debug_dir(rproc);
-	rproc_char_device_remove(rproc);
 
 	/* the rproc is downref'ed as soon as it's removed from the klist */
 	mutex_lock(&rproc_list_mutex);
@@ -2613,6 +2612,7 @@ int rproc_del(struct rproc *rproc)
 	synchronize_rcu();
 
 	device_del(&rproc->dev);
+	rproc_char_device_remove(rproc);
 
 	return 0;
 }
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 7353f9e7e7af..b643efcf995a 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -474,14 +474,12 @@ static int stm32_rproc_attach(struct rproc *rproc)
 static int stm32_rproc_detach(struct rproc *rproc)
 {
 	struct stm32_rproc *ddata = rproc->priv;
-	int err, dummy_data, idx;
+	int err, idx;
 
 	/* Inform the remote processor of the detach */
 	idx = stm32_rproc_mbox_idx(rproc, STM32_MBX_DETACH);
 	if (idx >= 0 && ddata->mb[idx].chan) {
-		/* A dummy data is sent to allow to block on transmit */
-		err = mbox_send_message(ddata->mb[idx].chan,
-					&dummy_data);
+		err = mbox_send_message(ddata->mb[idx].chan, "stop");
 		if (err < 0)
 			dev_warn(&rproc->dev, "warning: remote FW detach without ack\n");
 	}
@@ -493,15 +491,13 @@ static int stm32_rproc_detach(struct rproc *rproc)
 static int stm32_rproc_stop(struct rproc *rproc)
 {
 	struct stm32_rproc *ddata = rproc->priv;
-	int err, dummy_data, idx;
+	int err, idx;
 
 	/* request shutdown of the remote processor */
 	if (rproc->state != RPROC_OFFLINE) {
 		idx = stm32_rproc_mbox_idx(rproc, STM32_MBX_SHUTDOWN);
 		if (idx >= 0 && ddata->mb[idx].chan) {
-			/* a dummy data is sent to allow to block on transmit */
-			err = mbox_send_message(ddata->mb[idx].chan,
-						&dummy_data);
+			err = mbox_send_message(ddata->mb[idx].chan, "detach");
 			if (err < 0)
 				dev_warn(&rproc->dev, "warning: remote FW shutdown without ack\n");
 		}
@@ -556,7 +552,7 @@ static void stm32_rproc_kick(struct rproc *rproc, int vqid)
 			continue;
 		if (!ddata->mb[i].chan)
 			return;
-		err = mbox_send_message(ddata->mb[i].chan, (void *)(long)vqid);
+		err = mbox_send_message(ddata->mb[i].chan, "kick");
 		if (err < 0)
 			dev_err(&rproc->dev, "%s: failed (%s, err:%d)\n",
 				__func__, ddata->mb[i].name, err);
@@ -580,7 +576,7 @@ static int stm32_rproc_da_to_pa(struct rproc *rproc,
 			continue;
 
 		*pa = da - p_mem->dev_addr + p_mem->bus_addr;
-		dev_dbg(dev, "da %llx to pa %#x\n", da, *pa);
+		dev_dbg(dev, "da %llx to pa %pap\n", da, pa);
 
 		return 0;
 	}
diff --git a/drivers/remoteproc/ti_k3_r5_remoteproc.c b/drivers/remoteproc/ti_k3_r5_remoteproc.c
index 5cf8d030a1f0..4104e4846dbf 100644
--- a/drivers/remoteproc/ti_k3_r5_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_r5_remoteproc.c
@@ -1272,9 +1272,9 @@ static int k3_r5_core_of_init(struct platform_device *pdev)
 
 	core->tsp = k3_r5_core_of_get_tsp(dev, core->ti_sci);
 	if (IS_ERR(core->tsp)) {
+		ret = PTR_ERR(core->tsp);
 		dev_err(dev, "failed to construct ti-sci proc control, ret = %d\n",
 			ret);
-		ret = PTR_ERR(core->tsp);
 		goto err;
 	}
 
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 3e7f55e44d84..bc8e90c8be52 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -59,7 +59,8 @@ config RESET_BRCMSTB
 config RESET_BRCMSTB_RESCAL
 	bool "Broadcom STB RESCAL reset controller"
 	depends on HAS_IOMEM
-	default ARCH_BRCMSTB || COMPILE_TEST
+	depends on ARCH_BRCMSTB || COMPILE_TEST
+	default ARCH_BRCMSTB
 	help
 	  This enables the RESCAL reset controller for SATA, PCIe0, or PCIe1 on
 	  BCM7216.
@@ -82,6 +83,7 @@ config RESET_IMX7
 
 config RESET_INTEL_GW
 	bool "Intel Reset Controller Driver"
+	depends on X86 || COMPILE_TEST
 	depends on OF && HAS_IOMEM
 	select REGMAP_MMIO
 	help
diff --git a/drivers/reset/core.c b/drivers/reset/core.c
index 71c1c8264b2d..e2a6a927b84c 100644
--- a/drivers/reset/core.c
+++ b/drivers/reset/core.c
@@ -774,7 +774,10 @@ static struct reset_control *__reset_control_get_internal(
 	if (!rstc)
 		return ERR_PTR(-ENOMEM);
 
-	try_module_get(rcdev->owner);
+	if (!try_module_get(rcdev->owner)) {
+		kfree(rstc);
+		return ERR_PTR(-ENODEV);
+	}
 
 	rstc->rcdev = rcdev;
 	list_add(&rstc->list, &rcdev->reset_control_head);
diff --git a/drivers/reset/reset-a10sr.c b/drivers/reset/reset-a10sr.c
index 7eacc89382f8..99b3bc8382f3 100644
--- a/drivers/reset/reset-a10sr.c
+++ b/drivers/reset/reset-a10sr.c
@@ -118,6 +118,7 @@ static struct platform_driver a10sr_reset_driver = {
 	.probe	= a10sr_reset_probe,
 	.driver = {
 		.name		= "altr_a10sr_reset",
+		.of_match_table	= a10sr_reset_of_match,
 	},
 };
 module_platform_driver(a10sr_reset_driver);
diff --git a/drivers/reset/reset-brcmstb.c b/drivers/reset/reset-brcmstb.c
index f213264c8567..42c9d5241c53 100644
--- a/drivers/reset/reset-brcmstb.c
+++ b/drivers/reset/reset-brcmstb.c
@@ -111,6 +111,7 @@ static const struct of_device_id brcmstb_reset_of_match[] = {
 	{ .compatible = "brcm,brcmstb-reset" },
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, brcmstb_reset_of_match);
 
 static struct platform_driver brcmstb_reset_driver = {
 	.probe	= brcmstb_reset_probe,
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index d8c13fded164..914497abeef9 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -502,7 +502,8 @@ config RTC_DRV_M41T80_WDT
 
 config RTC_DRV_BD70528
 	tristate "ROHM BD70528, BD71815 and BD71828 PMIC RTC"
-	depends on MFD_ROHM_BD71828 || MFD_ROHM_BD70528 && (BD70528_WATCHDOG || !BD70528_WATCHDOG)
+	depends on MFD_ROHM_BD71828 || MFD_ROHM_BD70528
+	depends on BD70528_WATCHDOG || !BD70528_WATCHDOG
 	help
 	  If you say Y here you will get support for the RTC
 	  block on ROHM BD70528, BD71815 and BD71828 Power Management IC.
diff --git a/drivers/rtc/proc.c b/drivers/rtc/proc.c
index 73344598fc1b..cbcdbb19d848 100644
--- a/drivers/rtc/proc.c
+++ b/drivers/rtc/proc.c
@@ -23,8 +23,8 @@ static bool is_rtc_hctosys(struct rtc_device *rtc)
 	int size;
 	char name[NAME_SIZE];
 
-	size = scnprintf(name, NAME_SIZE, "rtc%d", rtc->id);
-	if (size > NAME_SIZE)
+	size = snprintf(name, NAME_SIZE, "rtc%d", rtc->id);
+	if (size >= NAME_SIZE)
 		return false;
 
 	return !strncmp(name, CONFIG_RTC_HCTOSYS_DEVICE, NAME_SIZE);
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 7f4445b0f819..2f96c31e9b7b 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -35,8 +35,8 @@
 #define SCLP_VT220_MINOR		65
 #define SCLP_VT220_DRIVER_NAME		"sclp_vt220"
 #define SCLP_VT220_DEVICE_NAME		"ttysclp"
-#define SCLP_VT220_CONSOLE_NAME		"ttyS"
-#define SCLP_VT220_CONSOLE_INDEX	1	/* console=ttyS1 */
+#define SCLP_VT220_CONSOLE_NAME		"ttysclp"
+#define SCLP_VT220_CONSOLE_INDEX	0	/* console=ttysclp0 */
 
 /* Representation of a single write request */
 struct sclp_vt220_request {
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index 544efd4c42f0..b8cd75a872ee 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -487,6 +487,7 @@ static ssize_t zfcp_sysfs_port_fc_security_show(struct device *dev,
 	if (0 == (status & ZFCP_STATUS_COMMON_OPEN) ||
 	    0 == (status & ZFCP_STATUS_COMMON_UNBLOCKED) ||
 	    0 == (status & ZFCP_STATUS_PORT_PHYS_OPEN) ||
+	    0 != (status & ZFCP_STATUS_PORT_LINK_TEST) ||
 	    0 != (status & ZFCP_STATUS_COMMON_ERP_FAILED) ||
 	    0 != (status & ZFCP_STATUS_COMMON_ACCESS_BOXED))
 		i = sprintf(buf, "unknown\n");
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 4b79661275c9..42e494a7106c 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -1923,8 +1923,12 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr
 
 		if (ccb->arc_cdb_size <= 0x300)
 			arc_cdb_size = (ccb->arc_cdb_size - 1) >> 6 | 1;
-		else
-			arc_cdb_size = (((ccb->arc_cdb_size + 0xff) >> 8) + 2) << 1 | 1;
+		else {
+			arc_cdb_size = ((ccb->arc_cdb_size + 0xff) >> 8) + 2;
+			if (arc_cdb_size > 0xF)
+				arc_cdb_size = 0xF;
+			arc_cdb_size = (arc_cdb_size << 1) | 1;
+		}
 		ccb_post_stamp = (ccb->smid | arc_cdb_size);
 		writel(0, &pmu->inbound_queueport_high);
 		writel(ccb_post_stamp, &pmu->inbound_queueport_low);
@@ -2415,10 +2419,17 @@ static void arcmsr_hbaD_doorbell_isr(struct AdapterControlBlock *pACB)
 
 static void arcmsr_hbaE_doorbell_isr(struct AdapterControlBlock *pACB)
 {
-	uint32_t outbound_doorbell, in_doorbell, tmp;
+	uint32_t outbound_doorbell, in_doorbell, tmp, i;
 	struct MessageUnit_E __iomem *reg = pACB->pmuE;
 
-	in_doorbell = readl(&reg->iobound_doorbell);
+	if (pACB->adapter_type == ACB_ADAPTER_TYPE_F) {
+		for (i = 0; i < 5; i++) {
+			in_doorbell = readl(&reg->iobound_doorbell);
+			if (in_doorbell != 0)
+				break;
+		}
+	} else
+		in_doorbell = readl(&reg->iobound_doorbell);
 	outbound_doorbell = in_doorbell ^ pACB->in_doorbell;
 	do {
 		writel(0, &reg->host_int_status); /* clear interrupt */
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 27c4f1598f76..b98f2f1e782d 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -416,7 +416,7 @@ static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev)
 			"beiscsi_hba_alloc - iscsi_host_alloc failed\n");
 		return NULL;
 	}
-	shost->max_id = BE2_MAX_SESSIONS;
+	shost->max_id = BE2_MAX_SESSIONS - 1;
 	shost->max_channel = 0;
 	shost->max_cmd_len = BEISCSI_MAX_CMD_LEN;
 	shost->max_lun = BEISCSI_NUM_MAX_LUN;
@@ -5318,7 +5318,7 @@ static int beiscsi_enable_port(struct beiscsi_hba *phba)
 	/* Re-enable UER. If different TPE occurs then it is recoverable. */
 	beiscsi_set_uer_feature(phba);
 
-	phba->shost->max_id = phba->params.cxns_per_ctrl;
+	phba->shost->max_id = phba->params.cxns_per_ctrl - 1;
 	phba->shost->can_queue = phba->params.ios_per_ctrl;
 	ret = beiscsi_init_port(phba);
 	if (ret < 0) {
@@ -5745,6 +5745,7 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev,
 	pci_disable_msix(phba->pcidev);
 	pci_dev_put(phba->pcidev);
 	iscsi_host_free(phba->shost);
+	pci_disable_pcie_error_reporting(pcidev);
 	pci_set_drvdata(pcidev, NULL);
 disable_pci:
 	pci_release_regions(pcidev);
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
index 2ad85c6b99fd..8cf2f9a7cfdc 100644
--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -791,7 +791,7 @@ struct bnx2i_hba *bnx2i_alloc_hba(struct cnic_dev *cnic)
 		return NULL;
 	shost->dma_boundary = cnic->pcidev->dma_mask;
 	shost->transportt = bnx2i_scsi_xport_template;
-	shost->max_id = ISCSI_MAX_CONNS_PER_HBA;
+	shost->max_id = ISCSI_MAX_CONNS_PER_HBA - 1;
 	shost->max_channel = 0;
 	shost->max_lun = 512;
 	shost->max_cmd_len = 16;
diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index f6bcae829c29..506b561670af 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -337,7 +337,7 @@ void cxgbi_hbas_remove(struct cxgbi_device *cdev)
 EXPORT_SYMBOL_GPL(cxgbi_hbas_remove);
 
 int cxgbi_hbas_add(struct cxgbi_device *cdev, u64 max_lun,
-		unsigned int max_id, struct scsi_host_template *sht,
+		unsigned int max_conns, struct scsi_host_template *sht,
 		struct scsi_transport_template *stt)
 {
 	struct cxgbi_hba *chba;
@@ -357,7 +357,7 @@ int cxgbi_hbas_add(struct cxgbi_device *cdev, u64 max_lun,
 
 		shost->transportt = stt;
 		shost->max_lun = max_lun;
-		shost->max_id = max_id;
+		shost->max_id = max_conns - 1;
 		shost->max_channel = 0;
 		shost->max_cmd_len = SCSI_MAX_VARLEN_CDB_SIZE;
 
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index efa8c0381476..005b97c61dc0 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -517,7 +517,8 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg)
 	int len, k, off, bufflen = ALUA_RTPG_SIZE;
 	int group_id_old, state_old, pref_old, valid_states_old;
 	unsigned char *desc, *buff;
-	unsigned err, retval;
+	unsigned err;
+	int retval;
 	unsigned int tpg_desc_tbl_off;
 	unsigned char orig_transition_tmo;
 	unsigned long flags;
@@ -562,12 +563,12 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg)
 			kfree(buff);
 			return SCSI_DH_OK;
 		}
-		if (!scsi_sense_valid(&sense_hdr)) {
+		if (retval < 0 || !scsi_sense_valid(&sense_hdr)) {
 			sdev_printk(KERN_INFO, sdev,
 				    "%s: rtpg failed, result %d\n",
 				    ALUA_DH_NAME, retval);
 			kfree(buff);
-			if (driver_byte(retval) == DRIVER_ERROR)
+			if (retval < 0)
 				return SCSI_DH_DEV_TEMP_BUSY;
 			return SCSI_DH_IO;
 		}
@@ -791,11 +792,11 @@ static unsigned alua_stpg(struct scsi_device *sdev, struct alua_port_group *pg)
 	retval = submit_stpg(sdev, pg->group_id, &sense_hdr);
 
 	if (retval) {
-		if (!scsi_sense_valid(&sense_hdr)) {
+		if (retval < 0 || !scsi_sense_valid(&sense_hdr)) {
 			sdev_printk(KERN_INFO, sdev,
 				    "%s: stpg failed, result %d",
 				    ALUA_DH_NAME, retval);
-			if (driver_byte(retval) == DRIVER_ERROR)
+			if (retval < 0)
 				return SCSI_DH_DEV_TEMP_BUSY;
 		} else {
 			sdev_printk(KERN_INFO, sdev, "%s: stpg failed\n",
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
index 3e359ac752fd..3cba7bfba296 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
@@ -1649,7 +1649,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 			if (irq < 0) {
 				dev_err(dev, "irq init: fail map phy interrupt %d\n",
 					idx);
-				return -ENOENT;
+				return irq;
 			}
 
 			rc = devm_request_irq(dev, irq, phy_interrupts[j], 0,
@@ -1657,7 +1657,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 			if (rc) {
 				dev_err(dev, "irq init: could not request phy interrupt %d, rc=%d\n",
 					irq, rc);
-				return -ENOENT;
+				return rc;
 			}
 		}
 	}
@@ -1668,7 +1668,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 		if (irq < 0) {
 			dev_err(dev, "irq init: could not map cq interrupt %d\n",
 				idx);
-			return -ENOENT;
+			return irq;
 		}
 
 		rc = devm_request_irq(dev, irq, cq_interrupt_v1_hw, 0,
@@ -1676,7 +1676,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 		if (rc) {
 			dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n",
 				irq, rc);
-			return -ENOENT;
+			return rc;
 		}
 	}
 
@@ -1686,7 +1686,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 		if (irq < 0) {
 			dev_err(dev, "irq init: could not map fatal interrupt %d\n",
 				idx);
-			return -ENOENT;
+			return irq;
 		}
 
 		rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0,
@@ -1694,7 +1694,7 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
 		if (rc) {
 			dev_err(dev, "irq init: could not request fatal interrupt %d, rc=%d\n",
 				irq, rc);
-			return -ENOENT;
+			return rc;
 		}
 	}
 
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index cd52664920e1..b40bb6bd5f5d 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -220,6 +220,9 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
 		goto fail;
 	}
 
+	shost->cmd_per_lun = min_t(short, shost->cmd_per_lun,
+				   shost->can_queue);
+
 	error = scsi_init_sense_cache(shost);
 	if (error)
 		goto fail;
@@ -485,6 +488,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
 		shost_printk(KERN_WARNING, shost,
 			"error handler thread failed to spawn, error = %ld\n",
 			PTR_ERR(shost->ehandler));
+		shost->ehandler = NULL;
 		goto fail;
 	}
 
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 2aaf83678654..dfe906307e55 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -230,11 +230,11 @@ static int iscsi_prep_ecdb_ahs(struct iscsi_task *task)
  */
 static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode)
 {
-	struct iscsi_conn *conn = task->conn;
-	struct iscsi_tm *tmf = &conn->tmhdr;
+	struct iscsi_session *session = task->conn->session;
+	struct iscsi_tm *tmf = &session->tmhdr;
 	u64 hdr_lun;
 
-	if (conn->tmf_state == TMF_INITIAL)
+	if (session->tmf_state == TMF_INITIAL)
 		return 0;
 
 	if ((tmf->opcode & ISCSI_OPCODE_MASK) != ISCSI_OP_SCSI_TMFUNC)
@@ -254,24 +254,19 @@ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode)
 		 * Fail all SCSI cmd PDUs
 		 */
 		if (opcode != ISCSI_OP_SCSI_DATA_OUT) {
-			iscsi_conn_printk(KERN_INFO, conn,
-					  "task [op %x itt "
-					  "0x%x/0x%x] "
-					  "rejected.\n",
-					  opcode, task->itt,
-					  task->hdr_itt);
+			iscsi_session_printk(KERN_INFO, session,
+					     "task [op %x itt 0x%x/0x%x] rejected.\n",
+					     opcode, task->itt, task->hdr_itt);
 			return -EACCES;
 		}
 		/*
 		 * And also all data-out PDUs in response to R2T
 		 * if fast_abort is set.
 		 */
-		if (conn->session->fast_abort) {
-			iscsi_conn_printk(KERN_INFO, conn,
-					  "task [op %x itt "
-					  "0x%x/0x%x] fast abort.\n",
-					  opcode, task->itt,
-					  task->hdr_itt);
+		if (session->fast_abort) {
+			iscsi_session_printk(KERN_INFO, session,
+					     "task [op %x itt 0x%x/0x%x] fast abort.\n",
+					     opcode, task->itt, task->hdr_itt);
 			return -EACCES;
 		}
 		break;
@@ -284,7 +279,7 @@ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode)
 		 */
 		if (opcode == ISCSI_OP_SCSI_DATA_OUT &&
 		    task->hdr_itt == tmf->rtt) {
-			ISCSI_DBG_SESSION(conn->session,
+			ISCSI_DBG_SESSION(session,
 					  "Preventing task %x/%x from sending "
 					  "data-out due to abort task in "
 					  "progress\n", task->itt,
@@ -936,20 +931,21 @@ iscsi_data_in_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
 static void iscsi_tmf_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
 {
 	struct iscsi_tm_rsp *tmf = (struct iscsi_tm_rsp *)hdr;
+	struct iscsi_session *session = conn->session;
 
 	conn->exp_statsn = be32_to_cpu(hdr->statsn) + 1;
 	conn->tmfrsp_pdus_cnt++;
 
-	if (conn->tmf_state != TMF_QUEUED)
+	if (session->tmf_state != TMF_QUEUED)
 		return;
 
 	if (tmf->response == ISCSI_TMF_RSP_COMPLETE)
-		conn->tmf_state = TMF_SUCCESS;
+		session->tmf_state = TMF_SUCCESS;
 	else if (tmf->response == ISCSI_TMF_RSP_NO_TASK)
-		conn->tmf_state = TMF_NOT_FOUND;
+		session->tmf_state = TMF_NOT_FOUND;
 	else
-		conn->tmf_state = TMF_FAILED;
-	wake_up(&conn->ehwait);
+		session->tmf_state = TMF_FAILED;
+	wake_up(&session->ehwait);
 }
 
 static int iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr)
@@ -1361,7 +1357,6 @@ void iscsi_session_failure(struct iscsi_session *session,
 			   enum iscsi_err err)
 {
 	struct iscsi_conn *conn;
-	struct device *dev;
 
 	spin_lock_bh(&session->frwd_lock);
 	conn = session->leadconn;
@@ -1370,10 +1365,8 @@ void iscsi_session_failure(struct iscsi_session *session,
 		return;
 	}
 
-	dev = get_device(&conn->cls_conn->dev);
+	iscsi_get_conn(conn->cls_conn);
 	spin_unlock_bh(&session->frwd_lock);
-	if (!dev)
-	        return;
 	/*
 	 * if the host is being removed bypass the connection
 	 * recovery initialization because we are going to kill
@@ -1383,7 +1376,7 @@ void iscsi_session_failure(struct iscsi_session *session,
 		iscsi_conn_error_event(conn->cls_conn, err);
 	else
 		iscsi_conn_failure(conn, err);
-	put_device(dev);
+	iscsi_put_conn(conn->cls_conn);
 }
 EXPORT_SYMBOL_GPL(iscsi_session_failure);
 
@@ -1829,15 +1822,14 @@ EXPORT_SYMBOL_GPL(iscsi_target_alloc);
 
 static void iscsi_tmf_timedout(struct timer_list *t)
 {
-	struct iscsi_conn *conn = from_timer(conn, t, tmf_timer);
-	struct iscsi_session *session = conn->session;
+	struct iscsi_session *session = from_timer(session, t, tmf_timer);
 
 	spin_lock(&session->frwd_lock);
-	if (conn->tmf_state == TMF_QUEUED) {
-		conn->tmf_state = TMF_TIMEDOUT;
+	if (session->tmf_state == TMF_QUEUED) {
+		session->tmf_state = TMF_TIMEDOUT;
 		ISCSI_DBG_EH(session, "tmf timedout\n");
 		/* unblock eh_abort() */
-		wake_up(&conn->ehwait);
+		wake_up(&session->ehwait);
 	}
 	spin_unlock(&session->frwd_lock);
 }
@@ -1860,8 +1852,8 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn,
 		return -EPERM;
 	}
 	conn->tmfcmd_pdus_cnt++;
-	conn->tmf_timer.expires = timeout * HZ + jiffies;
-	add_timer(&conn->tmf_timer);
+	session->tmf_timer.expires = timeout * HZ + jiffies;
+	add_timer(&session->tmf_timer);
 	ISCSI_DBG_EH(session, "tmf set timeout\n");
 
 	spin_unlock_bh(&session->frwd_lock);
@@ -1875,12 +1867,12 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn,
 	 * 3) session is terminated or restarted or userspace has
 	 * given up on recovery
 	 */
-	wait_event_interruptible(conn->ehwait, age != session->age ||
+	wait_event_interruptible(session->ehwait, age != session->age ||
 				 session->state != ISCSI_STATE_LOGGED_IN ||
-				 conn->tmf_state != TMF_QUEUED);
+				 session->tmf_state != TMF_QUEUED);
 	if (signal_pending(current))
 		flush_signals(current);
-	del_timer_sync(&conn->tmf_timer);
+	del_timer_sync(&session->tmf_timer);
 
 	mutex_lock(&session->eh_mutex);
 	spin_lock_bh(&session->frwd_lock);
@@ -2312,17 +2304,17 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
 	}
 
 	/* only have one tmf outstanding at a time */
-	if (conn->tmf_state != TMF_INITIAL)
+	if (session->tmf_state != TMF_INITIAL)
 		goto failed;
-	conn->tmf_state = TMF_QUEUED;
+	session->tmf_state = TMF_QUEUED;
 
-	hdr = &conn->tmhdr;
+	hdr = &session->tmhdr;
 	iscsi_prep_abort_task_pdu(task, hdr);
 
 	if (iscsi_exec_task_mgmt_fn(conn, hdr, age, session->abort_timeout))
 		goto failed;
 
-	switch (conn->tmf_state) {
+	switch (session->tmf_state) {
 	case TMF_SUCCESS:
 		spin_unlock_bh(&session->frwd_lock);
 		/*
@@ -2337,7 +2329,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
 		 */
 		spin_lock_bh(&session->frwd_lock);
 		fail_scsi_task(task, DID_ABORT);
-		conn->tmf_state = TMF_INITIAL;
+		session->tmf_state = TMF_INITIAL;
 		memset(hdr, 0, sizeof(*hdr));
 		spin_unlock_bh(&session->frwd_lock);
 		iscsi_start_tx(conn);
@@ -2348,7 +2340,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
 		goto failed_unlocked;
 	case TMF_NOT_FOUND:
 		if (!sc->SCp.ptr) {
-			conn->tmf_state = TMF_INITIAL;
+			session->tmf_state = TMF_INITIAL;
 			memset(hdr, 0, sizeof(*hdr));
 			/* task completed before tmf abort response */
 			ISCSI_DBG_EH(session, "sc completed while abort	in "
@@ -2357,7 +2349,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
 		}
 		fallthrough;
 	default:
-		conn->tmf_state = TMF_INITIAL;
+		session->tmf_state = TMF_INITIAL;
 		goto failed;
 	}
 
@@ -2416,11 +2408,11 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
 	conn = session->leadconn;
 
 	/* only have one tmf outstanding at a time */
-	if (conn->tmf_state != TMF_INITIAL)
+	if (session->tmf_state != TMF_INITIAL)
 		goto unlock;
-	conn->tmf_state = TMF_QUEUED;
+	session->tmf_state = TMF_QUEUED;
 
-	hdr = &conn->tmhdr;
+	hdr = &session->tmhdr;
 	iscsi_prep_lun_reset_pdu(sc, hdr);
 
 	if (iscsi_exec_task_mgmt_fn(conn, hdr, session->age,
@@ -2429,7 +2421,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
 		goto unlock;
 	}
 
-	switch (conn->tmf_state) {
+	switch (session->tmf_state) {
 	case TMF_SUCCESS:
 		break;
 	case TMF_TIMEDOUT:
@@ -2437,7 +2429,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
 		iscsi_conn_failure(conn, ISCSI_ERR_SCSI_EH_SESSION_RST);
 		goto done;
 	default:
-		conn->tmf_state = TMF_INITIAL;
+		session->tmf_state = TMF_INITIAL;
 		goto unlock;
 	}
 
@@ -2449,7 +2441,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
 	spin_lock_bh(&session->frwd_lock);
 	memset(hdr, 0, sizeof(*hdr));
 	fail_scsi_tasks(conn, sc->device->lun, DID_ERROR);
-	conn->tmf_state = TMF_INITIAL;
+	session->tmf_state = TMF_INITIAL;
 	spin_unlock_bh(&session->frwd_lock);
 
 	iscsi_start_tx(conn);
@@ -2472,8 +2464,7 @@ void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session)
 	spin_lock_bh(&session->frwd_lock);
 	if (session->state != ISCSI_STATE_LOGGED_IN) {
 		session->state = ISCSI_STATE_RECOVERY_FAILED;
-		if (session->leadconn)
-			wake_up(&session->leadconn->ehwait);
+		wake_up(&session->ehwait);
 	}
 	spin_unlock_bh(&session->frwd_lock);
 }
@@ -2518,7 +2509,7 @@ int iscsi_eh_session_reset(struct scsi_cmnd *sc)
 	iscsi_conn_failure(conn, ISCSI_ERR_SCSI_EH_SESSION_RST);
 
 	ISCSI_DBG_EH(session, "wait for relogin\n");
-	wait_event_interruptible(conn->ehwait,
+	wait_event_interruptible(session->ehwait,
 				 session->state == ISCSI_STATE_TERMINATE ||
 				 session->state == ISCSI_STATE_LOGGED_IN ||
 				 session->state == ISCSI_STATE_RECOVERY_FAILED);
@@ -2579,11 +2570,11 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 	conn = session->leadconn;
 
 	/* only have one tmf outstanding at a time */
-	if (conn->tmf_state != TMF_INITIAL)
+	if (session->tmf_state != TMF_INITIAL)
 		goto unlock;
-	conn->tmf_state = TMF_QUEUED;
+	session->tmf_state = TMF_QUEUED;
 
-	hdr = &conn->tmhdr;
+	hdr = &session->tmhdr;
 	iscsi_prep_tgt_reset_pdu(sc, hdr);
 
 	if (iscsi_exec_task_mgmt_fn(conn, hdr, session->age,
@@ -2592,7 +2583,7 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 		goto unlock;
 	}
 
-	switch (conn->tmf_state) {
+	switch (session->tmf_state) {
 	case TMF_SUCCESS:
 		break;
 	case TMF_TIMEDOUT:
@@ -2600,7 +2591,7 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 		iscsi_conn_failure(conn, ISCSI_ERR_SCSI_EH_SESSION_RST);
 		goto done;
 	default:
-		conn->tmf_state = TMF_INITIAL;
+		session->tmf_state = TMF_INITIAL;
 		goto unlock;
 	}
 
@@ -2612,7 +2603,7 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 	spin_lock_bh(&session->frwd_lock);
 	memset(hdr, 0, sizeof(*hdr));
 	fail_scsi_tasks(conn, -1, DID_ERROR);
-	conn->tmf_state = TMF_INITIAL;
+	session->tmf_state = TMF_INITIAL;
 	spin_unlock_bh(&session->frwd_lock);
 
 	iscsi_start_tx(conn);
@@ -2942,7 +2933,10 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
 	session->tt = iscsit;
 	session->dd_data = cls_session->dd_data + sizeof(*session);
 
+	session->tmf_state = TMF_INITIAL;
+	timer_setup(&session->tmf_timer, iscsi_tmf_timedout, 0);
 	mutex_init(&session->eh_mutex);
+
 	spin_lock_init(&session->frwd_lock);
 	spin_lock_init(&session->back_lock);
 
@@ -3046,7 +3040,6 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
 	conn->c_stage = ISCSI_CONN_INITIAL_STAGE;
 	conn->id = conn_idx;
 	conn->exp_statsn = 0;
-	conn->tmf_state = TMF_INITIAL;
 
 	timer_setup(&conn->transport_timer, iscsi_check_transport_timeouts, 0);
 
@@ -3071,8 +3064,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
 		goto login_task_data_alloc_fail;
 	conn->login_task->data = conn->data = data;
 
-	timer_setup(&conn->tmf_timer, iscsi_tmf_timedout, 0);
-	init_waitqueue_head(&conn->ehwait);
+	init_waitqueue_head(&session->ehwait);
 
 	return cls_conn;
 
@@ -3107,7 +3099,7 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn)
 		 * leading connection? then give up on recovery.
 		 */
 		session->state = ISCSI_STATE_TERMINATE;
-		wake_up(&conn->ehwait);
+		wake_up(&session->ehwait);
 	}
 	spin_unlock_bh(&session->frwd_lock);
 
@@ -3182,7 +3174,7 @@ int iscsi_conn_start(struct iscsi_cls_conn *cls_conn)
 		 * commands after successful recovery
 		 */
 		conn->stop_stage = 0;
-		conn->tmf_state = TMF_INITIAL;
+		session->tmf_state = TMF_INITIAL;
 		session->age++;
 		if (session->age == 16)
 			session->age = 0;
@@ -3196,7 +3188,7 @@ int iscsi_conn_start(struct iscsi_cls_conn *cls_conn)
 	spin_unlock_bh(&session->frwd_lock);
 
 	iscsi_unblock_session(session->cls_session);
-	wake_up(&conn->ehwait);
+	wake_up(&session->ehwait);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(iscsi_conn_start);
@@ -3290,7 +3282,7 @@ void iscsi_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
 	spin_lock_bh(&session->frwd_lock);
 	fail_scsi_tasks(conn, -1, DID_TRANSPORT_DISRUPTED);
 	fail_mgmt_tasks(session, conn);
-	memset(&conn->tmhdr, 0, sizeof(conn->tmhdr));
+	memset(&session->tmhdr, 0, sizeof(session->tmhdr));
 	spin_unlock_bh(&session->frwd_lock);
 	mutex_unlock(&session->eh_mutex);
 }
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index c3ca2ccf9f82..933927f738c7 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1175,6 +1175,15 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			phba->fcf.fcf_redisc_attempted = 0; /* reset */
 			goto out;
 		}
+	} else if (vport->port_state > LPFC_FLOGI &&
+		   vport->fc_flag & FC_PT2PT) {
+		/*
+		 * In a p2p topology, it is possible that discovery has
+		 * already progressed, and this completion can be ignored.
+		 * Recheck the indicated topology.
+		 */
+		if (!sp->cmn.fPort)
+			goto out;
 	}
 
 flogifail:
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index bc0bcb0dccc9..9ed826fd53e8 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -7959,7 +7959,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
 				"0393 Error %d during rpi post operation\n",
 				rc);
 		rc = -ENODEV;
-		goto out_destroy_queue;
+		goto out_free_iocblist;
 	}
 	lpfc_sli4_node_prep(phba);
 
@@ -8125,8 +8125,9 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
 out_unset_queue:
 	/* Unset all the queues set up in this routine when error out */
 	lpfc_sli4_queue_unset(phba);
-out_destroy_queue:
+out_free_iocblist:
 	lpfc_free_iocb_list(phba);
+out_destroy_queue:
 	lpfc_sli4_queue_destroy(phba);
 out_stop_timers:
 	lpfc_stop_hba_timers(phba);
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index b5a765b73c76..a43b67299b08 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -2262,6 +2262,15 @@ enum MR_PERF_MODE {
 		 (mode) == MR_LATENCY_PERF_MODE ? "Latency" : \
 		 "Unknown")
 
+enum MEGASAS_LD_TARGET_ID_STATUS {
+	LD_TARGET_ID_INITIAL,
+	LD_TARGET_ID_ACTIVE,
+	LD_TARGET_ID_DELETED,
+};
+
+#define MEGASAS_TARGET_ID(sdev)						\
+	(((sdev->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + sdev->id)
+
 struct megasas_instance {
 
 	unsigned int *reply_map;
@@ -2326,6 +2335,9 @@ struct megasas_instance {
 	struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
 	struct megasas_pd_list          local_pd_list[MEGASAS_MAX_PD];
 	u8 ld_ids[MEGASAS_MAX_LD_IDS];
+	u8 ld_tgtid_status[MEGASAS_MAX_LD_IDS];
+	u8 ld_ids_prev[MEGASAS_MAX_LD_IDS];
+	u8 ld_ids_from_raidmap[MEGASAS_MAX_LD_IDS];
 	s8 init_id;
 
 	u16 max_num_sge;
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 4d4e9dbe5193..3fecf4b2b0bd 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -141,6 +141,8 @@ static int megasas_register_aen(struct megasas_instance *instance,
 				u32 seq_num, u32 class_locale_word);
 static void megasas_get_pd_info(struct megasas_instance *instance,
 				struct scsi_device *sdev);
+static void
+megasas_set_ld_removed_by_fw(struct megasas_instance *instance);
 
 /*
  * PCI ID table for all supported controllers
@@ -436,6 +438,12 @@ megasas_decode_evt(struct megasas_instance *instance)
 			(class_locale.members.locale),
 			format_class(class_locale.members.class),
 			evt_detail->description);
+
+	if (megasas_dbg_lvl & LD_PD_DEBUG)
+		dev_info(&instance->pdev->dev,
+			 "evt_detail.args.ld.target_id/index %d/%d\n",
+			 evt_detail->args.ld.target_id, evt_detail->args.ld.ld_index);
+
 }
 
 /*
@@ -1779,6 +1787,7 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
 {
 	struct megasas_instance *instance;
 	struct MR_PRIV_DEVICE *mr_device_priv_data;
+	u32 ld_tgt_id;
 
 	instance = (struct megasas_instance *)
 	    scmd->device->host->hostdata;
@@ -1805,17 +1814,21 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
 		}
 	}
 
-	if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
+	mr_device_priv_data = scmd->device->hostdata;
+	if (!mr_device_priv_data ||
+	    (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)) {
 		scmd->result = DID_NO_CONNECT << 16;
 		scmd->scsi_done(scmd);
 		return 0;
 	}
 
-	mr_device_priv_data = scmd->device->hostdata;
-	if (!mr_device_priv_data) {
-		scmd->result = DID_NO_CONNECT << 16;
-		scmd->scsi_done(scmd);
-		return 0;
+	if (MEGASAS_IS_LOGICAL(scmd->device)) {
+		ld_tgt_id = MEGASAS_TARGET_ID(scmd->device);
+		if (instance->ld_tgtid_status[ld_tgt_id] == LD_TARGET_ID_DELETED) {
+			scmd->result = DID_NO_CONNECT << 16;
+			scmd->scsi_done(scmd);
+			return 0;
+		}
 	}
 
 	if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL)
@@ -2095,7 +2108,7 @@ static int megasas_slave_configure(struct scsi_device *sdev)
 
 static int megasas_slave_alloc(struct scsi_device *sdev)
 {
-	u16 pd_index = 0;
+	u16 pd_index = 0, ld_tgt_id;
 	struct megasas_instance *instance ;
 	struct MR_PRIV_DEVICE *mr_device_priv_data;
 
@@ -2120,6 +2133,14 @@ static int megasas_slave_alloc(struct scsi_device *sdev)
 					GFP_KERNEL);
 	if (!mr_device_priv_data)
 		return -ENOMEM;
+
+	if (MEGASAS_IS_LOGICAL(sdev)) {
+		ld_tgt_id = MEGASAS_TARGET_ID(sdev);
+		instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_ACTIVE;
+		if (megasas_dbg_lvl & LD_PD_DEBUG)
+			sdev_printk(KERN_INFO, sdev, "LD target ID %d created.\n", ld_tgt_id);
+	}
+
 	sdev->hostdata = mr_device_priv_data;
 
 	atomic_set(&mr_device_priv_data->r1_ldio_hint,
@@ -2129,6 +2150,19 @@ static int megasas_slave_alloc(struct scsi_device *sdev)
 
 static void megasas_slave_destroy(struct scsi_device *sdev)
 {
+	u16 ld_tgt_id;
+	struct megasas_instance *instance;
+
+	instance = megasas_lookup_instance(sdev->host->host_no);
+
+	if (MEGASAS_IS_LOGICAL(sdev)) {
+		ld_tgt_id = MEGASAS_TARGET_ID(sdev);
+		instance->ld_tgtid_status[ld_tgt_id] = LD_TARGET_ID_DELETED;
+		if (megasas_dbg_lvl & LD_PD_DEBUG)
+			sdev_printk(KERN_INFO, sdev,
+				    "LD target ID %d removed from OS stack\n", ld_tgt_id);
+	}
+
 	kfree(sdev->hostdata);
 	sdev->hostdata = NULL;
 }
@@ -3525,6 +3559,22 @@ megasas_complete_abort(struct megasas_instance *instance,
 	}
 }
 
+static void
+megasas_set_ld_removed_by_fw(struct megasas_instance *instance)
+{
+	uint i;
+
+	for (i = 0; (i < MEGASAS_MAX_LD_IDS); i++) {
+		if (instance->ld_ids_prev[i] != 0xff &&
+		    instance->ld_ids_from_raidmap[i] == 0xff) {
+			if (megasas_dbg_lvl & LD_PD_DEBUG)
+				dev_info(&instance->pdev->dev,
+					 "LD target ID %d removed from RAID map\n", i);
+			instance->ld_tgtid_status[i] = LD_TARGET_ID_DELETED;
+		}
+	}
+}
+
 /**
  * megasas_complete_cmd -	Completes a command
  * @instance:			Adapter soft state
@@ -3687,9 +3737,13 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
 				fusion->fast_path_io = 0;
 			}
 
+			if (instance->adapter_type >= INVADER_SERIES)
+				megasas_set_ld_removed_by_fw(instance);
+
 			megasas_sync_map_info(instance);
 			spin_unlock_irqrestore(instance->host->host_lock,
 					       flags);
+
 			break;
 		}
 		if (opcode == MR_DCMD_CTRL_EVENT_GET_INFO ||
@@ -7545,11 +7599,16 @@ static int megasas_probe_one(struct pci_dev *pdev,
 	return 0;
 
 fail_start_aen:
+	instance->unload = 1;
+	scsi_remove_host(instance->host);
 fail_io_attach:
 	megasas_mgmt_info.count--;
 	megasas_mgmt_info.max_index--;
 	megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL;
 
+	if (instance->requestorId && !instance->skip_heartbeat_timer_del)
+		del_timer_sync(&instance->sriov_heartbeat_timer);
+
 	instance->instancet->disable_intr(instance);
 	megasas_destroy_irqs(instance);
 
@@ -7557,8 +7616,16 @@ static int megasas_probe_one(struct pci_dev *pdev,
 		megasas_release_fusion(instance);
 	else
 		megasas_release_mfi(instance);
+
 	if (instance->msix_vectors)
 		pci_free_irq_vectors(instance->pdev);
+	instance->msix_vectors = 0;
+
+	if (instance->fw_crash_state != UNAVAILABLE)
+		megasas_free_host_crash_buffer(instance);
+
+	if (instance->adapter_type != MFI_SERIES)
+		megasas_fusion_stop_watchdog(instance);
 fail_init_mfi:
 	scsi_host_put(host);
 fail_alloc_instance:
@@ -8818,8 +8885,10 @@ megasas_aen_polling(struct work_struct *work)
 	union megasas_evt_class_locale class_locale;
 	int event_type = 0;
 	u32 seq_num;
+	u16 ld_target_id;
 	int error;
 	u8  dcmd_ret = DCMD_SUCCESS;
+	struct scsi_device *sdev1;
 
 	if (!instance) {
 		printk(KERN_ERR "invalid instance!\n");
@@ -8842,12 +8911,23 @@ megasas_aen_polling(struct work_struct *work)
 			break;
 
 		case MR_EVT_LD_OFFLINE:
-		case MR_EVT_CFG_CLEARED:
 		case MR_EVT_LD_DELETED:
+			ld_target_id = instance->evt_detail->args.ld.target_id;
+			sdev1 = scsi_device_lookup(instance->host,
+						   MEGASAS_MAX_PD_CHANNELS +
+						   (ld_target_id / MEGASAS_MAX_DEV_PER_CHANNEL),
+						   (ld_target_id - MEGASAS_MAX_DEV_PER_CHANNEL),
+						   0);
+			if (sdev1)
+				megasas_remove_scsi_device(sdev1);
+
+			event_type = SCAN_VD_CHANNEL;
+			break;
 		case MR_EVT_LD_CREATED:
 			event_type = SCAN_VD_CHANNEL;
 			break;
 
+		case MR_EVT_CFG_CLEARED:
 		case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED:
 		case MR_EVT_FOREIGN_CFG_IMPORTED:
 		case MR_EVT_LD_STATE_CHANGE:
diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c
index b6c08d620033..83f69c33b01a 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -349,6 +349,10 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id)
 
 	num_lds = le16_to_cpu(drv_map->raidMap.ldCount);
 
+	memcpy(instance->ld_ids_prev,
+	       instance->ld_ids_from_raidmap,
+	       sizeof(instance->ld_ids_from_raidmap));
+	memset(instance->ld_ids_from_raidmap, 0xff, MEGASAS_MAX_LD_IDS);
 	/*Convert Raid capability values to CPU arch */
 	for (i = 0; (num_lds > 0) && (i < MAX_LOGICAL_DRIVES_EXT); i++) {
 		ld = MR_TargetIdToLdGet(i, drv_map);
@@ -359,7 +363,7 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id)
 
 		raid = MR_LdRaidGet(ld, drv_map);
 		le32_to_cpus((u32 *)&raid->capability);
-
+		instance->ld_ids_from_raidmap[i] = i;
 		num_lds--;
 	}
 
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index cd94a0c81f83..142e60741094 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -3745,6 +3745,7 @@ static void megasas_sync_irqs(unsigned long instance_addr)
 		if (irq_ctx->irq_poll_scheduled) {
 			irq_ctx->irq_poll_scheduled = false;
 			enable_irq(irq_ctx->os_irq);
+			complete_cmd_fusion(instance, irq_ctx->MSIxIndex, irq_ctx);
 		}
 	}
 }
@@ -3776,6 +3777,7 @@ int megasas_irqpoll(struct irq_poll *irqpoll, int budget)
 		irq_poll_complete(irqpoll);
 		irq_ctx->irq_poll_scheduled = false;
 		enable_irq(irq_ctx->os_irq);
+		complete_cmd_fusion(instance, irq_ctx->MSIxIndex, irq_ctx);
 	}
 
 	return num_entries;
@@ -3792,6 +3794,7 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr)
 {
 	struct megasas_instance *instance =
 		(struct megasas_instance *)instance_addr;
+	struct megasas_irq_context *irq_ctx = NULL;
 	u32 count, MSIxIndex;
 
 	count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
@@ -3800,8 +3803,10 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr)
 	if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)
 		return;
 
-	for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++)
-		complete_cmd_fusion(instance, MSIxIndex, NULL);
+	for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++) {
+		irq_ctx = &instance->irq_context[MSIxIndex];
+		complete_cmd_fusion(instance, MSIxIndex, irq_ctx);
+	}
 }
 
 /**
@@ -5272,6 +5277,7 @@ megasas_alloc_fusion_context(struct megasas_instance *instance)
 		if (!fusion->log_to_span) {
 			dev_err(&instance->pdev->dev, "Failed from %s %d\n",
 				__func__, __LINE__);
+			kfree(instance->ctrl_context);
 			return -ENOMEM;
 		}
 	}
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index a5f70f0e0287..b48f10f7cf31 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -3697,6 +3697,28 @@ _scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc)
 	ioc->fw_events_cleanup = 1;
 	while ((fw_event = dequeue_next_fw_event(ioc)) ||
 	     (fw_event = ioc->current_event)) {
+
+		/*
+		 * Don't call cancel_work_sync() for current_event
+		 * other than MPT3SAS_REMOVE_UNRESPONDING_DEVICES;
+		 * otherwise we may observe deadlock if current
+		 * hard reset issued as part of processing the current_event.
+		 *
+		 * Orginal logic of cleaning the current_event is added
+		 * for handling the back to back host reset issued by the user.
+		 * i.e. during back to back host reset, driver use to process
+		 * the two instances of MPT3SAS_REMOVE_UNRESPONDING_DEVICES
+		 * event back to back and this made the drives to unregister
+		 * the devices from SML.
+		 */
+
+		if (fw_event == ioc->current_event &&
+		    ioc->current_event->event !=
+		    MPT3SAS_REMOVE_UNRESPONDING_DEVICES) {
+			ioc->current_event = NULL;
+			continue;
+		}
+
 		/*
 		 * Wait on the fw_event to complete. If this returns 1, then
 		 * the event was never executed, and we need a put for the
diff --git a/drivers/scsi/qedi/qedi.h b/drivers/scsi/qedi/qedi.h
index c342defc3f52..ce199a7a16b8 100644
--- a/drivers/scsi/qedi/qedi.h
+++ b/drivers/scsi/qedi/qedi.h
@@ -284,6 +284,7 @@ struct qedi_ctx {
 #define QEDI_IN_RECOVERY	5
 #define QEDI_IN_OFFLINE		6
 #define QEDI_IN_SHUTDOWN	7
+#define QEDI_BLOCK_IO		8
 
 	u8 mac[ETH_ALEN];
 	u32 src_ip[4];
diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c
index 440ddd2309f1..4c87640e6a91 100644
--- a/drivers/scsi/qedi/qedi_fw.c
+++ b/drivers/scsi/qedi/qedi_fw.c
@@ -73,7 +73,6 @@ static void qedi_process_logout_resp(struct qedi_ctx *qedi,
 	spin_unlock(&qedi_conn->list_lock);
 
 	cmd->state = RESPONSE_RECEIVED;
-	qedi_clear_task_idx(qedi, cmd->task_id);
 	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr, NULL, 0);
 
 	spin_unlock(&session->back_lock);
@@ -138,7 +137,6 @@ static void qedi_process_text_resp(struct qedi_ctx *qedi,
 	spin_unlock(&qedi_conn->list_lock);
 
 	cmd->state = RESPONSE_RECEIVED;
-	qedi_clear_task_idx(qedi, cmd->task_id);
 
 	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr,
 			     qedi_conn->gen_pdu.resp_buf,
@@ -161,16 +159,9 @@ static void qedi_tmf_resp_work(struct work_struct *work)
 	set_bit(QEDI_CONN_FW_CLEANUP, &qedi_conn->flags);
 	resp_hdr_ptr =  (struct iscsi_tm_rsp *)qedi_cmd->tmf_resp_buf;
 
-	iscsi_block_session(session->cls_session);
 	rval = qedi_cleanup_all_io(qedi, qedi_conn, qedi_cmd->task, true);
-	if (rval) {
-		qedi_clear_task_idx(qedi, qedi_cmd->task_id);
-		iscsi_unblock_session(session->cls_session);
+	if (rval)
 		goto exit_tmf_resp;
-	}
-
-	iscsi_unblock_session(session->cls_session);
-	qedi_clear_task_idx(qedi, qedi_cmd->task_id);
 
 	spin_lock(&session->back_lock);
 	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr, NULL, 0);
@@ -245,8 +236,6 @@ static void qedi_process_tmf_resp(struct qedi_ctx *qedi,
 		goto unblock_sess;
 	}
 
-	qedi_clear_task_idx(qedi, qedi_cmd->task_id);
-
 	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)resp_hdr_ptr, NULL, 0);
 	kfree(resp_hdr_ptr);
 
@@ -314,7 +303,6 @@ static void qedi_process_login_resp(struct qedi_ctx *qedi,
 		  "Freeing tid=0x%x for cid=0x%x\n",
 		  cmd->task_id, qedi_conn->iscsi_conn_id);
 	cmd->state = RESPONSE_RECEIVED;
-	qedi_clear_task_idx(qedi, cmd->task_id);
 }
 
 static void qedi_get_rq_bdq_buf(struct qedi_ctx *qedi,
@@ -468,7 +456,6 @@ static int qedi_process_nopin_mesg(struct qedi_ctx *qedi,
 		}
 
 		spin_unlock(&qedi_conn->list_lock);
-		qedi_clear_task_idx(qedi, cmd->task_id);
 	}
 
 done:
@@ -673,7 +660,6 @@ static void qedi_scsi_completion(struct qedi_ctx *qedi,
 	if (qedi_io_tracing)
 		qedi_trace_io(qedi, task, cmd->task_id, QEDI_IO_TRACE_RSP);
 
-	qedi_clear_task_idx(qedi, cmd->task_id);
 	__iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr,
 			     conn->data, datalen);
 error:
@@ -730,7 +716,6 @@ static void qedi_process_nopin_local_cmpl(struct qedi_ctx *qedi,
 		  cqe->itid, cmd->task_id);
 
 	cmd->state = RESPONSE_RECEIVED;
-	qedi_clear_task_idx(qedi, cmd->task_id);
 
 	spin_lock_bh(&session->back_lock);
 	__iscsi_put_task(task);
@@ -748,7 +733,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi,
 	itt_t protoitt = 0;
 	int found = 0;
 	struct qedi_cmd *qedi_cmd = NULL;
-	u32 rtid = 0;
 	u32 iscsi_cid;
 	struct qedi_conn *qedi_conn;
 	struct qedi_cmd *dbg_cmd;
@@ -779,7 +763,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi,
 			found = 1;
 			mtask = qedi_cmd->task;
 			tmf_hdr = (struct iscsi_tm *)mtask->hdr;
-			rtid = work->rtid;
 
 			list_del_init(&work->list);
 			kfree(work);
@@ -821,8 +804,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi,
 			if (qedi_cmd->state == CLEANUP_WAIT_FAILED)
 				qedi_cmd->state = CLEANUP_RECV;
 
-			qedi_clear_task_idx(qedi_conn->qedi, rtid);
-
 			spin_lock(&qedi_conn->list_lock);
 			if (likely(dbg_cmd->io_cmd_in_list)) {
 				dbg_cmd->io_cmd_in_list = false;
@@ -856,7 +837,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi,
 		QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID,
 			  "Freeing tid=0x%x for cid=0x%x\n",
 			  cqe->itid, qedi_conn->iscsi_conn_id);
-		qedi_clear_task_idx(qedi_conn->qedi, cqe->itid);
 
 	} else {
 		qedi_get_proto_itt(qedi, cqe->itid, &ptmp_itt);
@@ -1453,7 +1433,7 @@ static void qedi_tmf_work(struct work_struct *work)
 
 ldel_exit:
 	spin_lock_bh(&qedi_conn->tmf_work_lock);
-	if (!qedi_cmd->list_tmf_work) {
+	if (qedi_cmd->list_tmf_work) {
 		list_del_init(&list_work->list);
 		qedi_cmd->list_tmf_work = NULL;
 		kfree(list_work);
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index 087c7ff28cd5..5f7e62f19d83 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -330,12 +330,22 @@ qedi_conn_create(struct iscsi_cls_session *cls_session, uint32_t cid)
 
 void qedi_mark_device_missing(struct iscsi_cls_session *cls_session)
 {
-	iscsi_block_session(cls_session);
+	struct iscsi_session *session = cls_session->dd_data;
+	struct qedi_conn *qedi_conn = session->leadconn->dd_data;
+
+	spin_lock_bh(&session->frwd_lock);
+	set_bit(QEDI_BLOCK_IO, &qedi_conn->qedi->flags);
+	spin_unlock_bh(&session->frwd_lock);
 }
 
 void qedi_mark_device_available(struct iscsi_cls_session *cls_session)
 {
-	iscsi_unblock_session(cls_session);
+	struct iscsi_session *session = cls_session->dd_data;
+	struct qedi_conn *qedi_conn = session->leadconn->dd_data;
+
+	spin_lock_bh(&session->frwd_lock);
+	clear_bit(QEDI_BLOCK_IO, &qedi_conn->qedi->flags);
+	spin_unlock_bh(&session->frwd_lock);
 }
 
 static int qedi_bind_conn_to_iscsi_cid(struct qedi_ctx *qedi,
@@ -783,7 +793,6 @@ static int qedi_mtask_xmit(struct iscsi_conn *conn, struct iscsi_task *task)
 	}
 
 	cmd->conn = conn->dd_data;
-	cmd->scsi_cmd = NULL;
 	return qedi_iscsi_send_generic_request(task);
 }
 
@@ -794,9 +803,16 @@ static int qedi_task_xmit(struct iscsi_task *task)
 	struct qedi_cmd *cmd = task->dd_data;
 	struct scsi_cmnd *sc = task->sc;
 
+	/* Clear now so in cleanup_task we know it didn't make it */
+	cmd->scsi_cmd = NULL;
+	cmd->task_id = U16_MAX;
+
 	if (test_bit(QEDI_IN_SHUTDOWN, &qedi_conn->qedi->flags))
 		return -ENODEV;
 
+	if (test_bit(QEDI_BLOCK_IO, &qedi_conn->qedi->flags))
+		return -EACCES;
+
 	cmd->state = 0;
 	cmd->task = NULL;
 	cmd->use_slowpath = false;
@@ -1394,13 +1410,24 @@ static umode_t qedi_attr_is_visible(int param_type, int param)
 
 static void qedi_cleanup_task(struct iscsi_task *task)
 {
-	if (!task->sc || task->state == ISCSI_TASK_PENDING) {
+	struct qedi_cmd *cmd;
+
+	if (task->state == ISCSI_TASK_PENDING) {
 		QEDI_INFO(NULL, QEDI_LOG_IO, "Returning ref_cnt=%d\n",
 			  refcount_read(&task->refcount));
 		return;
 	}
 
-	qedi_iscsi_unmap_sg_list(task->dd_data);
+	if (task->sc)
+		qedi_iscsi_unmap_sg_list(task->dd_data);
+
+	cmd = task->dd_data;
+	if (cmd->task_id != U16_MAX)
+		qedi_clear_task_idx(iscsi_host_priv(task->conn->session->host),
+				    cmd->task_id);
+
+	cmd->task_id = U16_MAX;
+	cmd->scsi_cmd = NULL;
 }
 
 struct iscsi_transport qedi_iscsi_transport = {
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index 2455d1448a7e..edf915432704 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -640,7 +640,7 @@ static struct qedi_ctx *qedi_host_alloc(struct pci_dev *pdev)
 		goto exit_setup_shost;
 	}
 
-	shost->max_id = QEDI_MAX_ISCSI_CONNS_PER_HBA;
+	shost->max_id = QEDI_MAX_ISCSI_CONNS_PER_HBA - 1;
 	shost->max_channel = 0;
 	shost->max_lun = ~0;
 	shost->max_cmd_len = 16;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 269bfb8f9165..89560562d9f6 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2094,9 +2094,7 @@ EXPORT_SYMBOL_GPL(scsi_mode_select);
  *	@sshdr: place to put sense data (or NULL if no sense to be collected).
  *		must be SCSI_SENSE_BUFFERSIZE big.
  *
- *	Returns zero if unsuccessful, or the header offset (either 4
- *	or 8 depending on whether a six or ten byte command was
- *	issued) if successful.
+ *	Returns zero if successful, or a negative error number on failure
  */
 int
 scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
@@ -2143,6 +2141,8 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
 
 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len,
 				  sshdr, timeout, retries, NULL);
+	if (result < 0)
+		return result;
 
 	/* This code looks awful: what it's doing is making sure an
 	 * ILLEGAL REQUEST sense return identifies the actual command
@@ -2187,13 +2187,15 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
 			data->block_descriptor_length = buffer[3];
 		}
 		data->header_length = header_length;
+		result = 0;
 	} else if ((status_byte(result) == CHECK_CONDITION) &&
 		   scsi_sense_valid(sshdr) &&
 		   sshdr->sense_key == UNIT_ATTENTION && retry_count) {
 		retry_count--;
 		goto retry;
 	}
-
+	if (result > 0)
+		result = -EIO;
 	return result;
 }
 EXPORT_SYMBOL(scsi_mode_sense);
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 6ce1cc992d1d..b07105ae7c91 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -2459,6 +2459,18 @@ int iscsi_destroy_conn(struct iscsi_cls_conn *conn)
 }
 EXPORT_SYMBOL_GPL(iscsi_destroy_conn);
 
+void iscsi_put_conn(struct iscsi_cls_conn *conn)
+{
+	put_device(&conn->dev);
+}
+EXPORT_SYMBOL_GPL(iscsi_put_conn);
+
+void iscsi_get_conn(struct iscsi_cls_conn *conn)
+{
+	get_device(&conn->dev);
+}
+EXPORT_SYMBOL_GPL(iscsi_get_conn);
+
 /*
  * iscsi interface functions
  */
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index c9abed8429c9..4a96fb05731d 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -1229,16 +1229,15 @@ int sas_read_port_mode_page(struct scsi_device *sdev)
 	char *buffer = kzalloc(BUF_SIZE, GFP_KERNEL), *msdata;
 	struct sas_end_device *rdev = sas_sdev_to_rdev(sdev);
 	struct scsi_mode_data mode_data;
-	int res, error;
+	int error;
 
 	if (!buffer)
 		return -ENOMEM;
 
-	res = scsi_mode_sense(sdev, 1, 0x19, buffer, BUF_SIZE, 30*HZ, 3,
-			      &mode_data, NULL);
+	error = scsi_mode_sense(sdev, 1, 0x19, buffer, BUF_SIZE, 30*HZ, 3,
+				&mode_data, NULL);
 
-	error = -EINVAL;
-	if (!scsi_status_is_good(res))
+	if (error)
 		goto out;
 
 	msdata = buffer +  mode_data.header_length +
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index a2c3d9ad9ee4..4df54d4b3c65 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2684,18 +2684,18 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer)
 		 * 5: Illegal Request, Sense Code 24: Invalid field in
 		 * CDB.
 		 */
-		if (!scsi_status_is_good(res))
+		if (res < 0)
 			res = sd_do_mode_sense(sdkp, 0, 0, buffer, 4, &data, NULL);
 
 		/*
 		 * Third attempt: ask 255 bytes, as we did earlier.
 		 */
-		if (!scsi_status_is_good(res))
+		if (res < 0)
 			res = sd_do_mode_sense(sdkp, 0, 0x3F, buffer, 255,
 					       &data, NULL);
 	}
 
-	if (!scsi_status_is_good(res)) {
+	if (res < 0) {
 		sd_first_printk(KERN_WARNING, sdkp,
 			  "Test WP failed, assume Write Enabled\n");
 	} else {
@@ -2756,7 +2756,7 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer)
 	res = sd_do_mode_sense(sdkp, dbd, modepage, buffer, first_len,
 			&data, &sshdr);
 
-	if (!scsi_status_is_good(res))
+	if (res < 0)
 		goto bad_sense;
 
 	if (!data.header_length) {
@@ -2788,7 +2788,7 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer)
 		res = sd_do_mode_sense(sdkp, dbd, modepage, buffer, len,
 				&data, &sshdr);
 
-	if (scsi_status_is_good(res)) {
+	if (!res) {
 		int offset = data.header_length + data.block_descriptor_length;
 
 		while (offset < len) {
@@ -2906,7 +2906,7 @@ static void sd_read_app_tag_own(struct scsi_disk *sdkp, unsigned char *buffer)
 	res = scsi_mode_sense(sdp, 1, 0x0a, buffer, 36, SD_TIMEOUT,
 			      sdkp->max_retries, &data, &sshdr);
 
-	if (!scsi_status_is_good(res) || !data.header_length ||
+	if (res < 0 || !data.header_length ||
 	    data.length < 6) {
 		sd_first_printk(KERN_WARNING, sdkp,
 			  "getting Control mode page failed, assume no ATO\n");
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 7815ed642d43..1a94c7b1de2d 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -913,7 +913,7 @@ static void get_capabilities(struct scsi_cd *cd)
 	rc = scsi_mode_sense(cd->device, 0, 0x2a, buffer, ms_len,
 			     SR_TIMEOUT, 3, &data, NULL);
 
-	if (!scsi_status_is_good(rc) || data.length > ms_len ||
+	if (rc < 0 || data.length > ms_len ||
 	    data.header_length + data.block_descriptor_length > data.length) {
 		/* failed, drive doesn't have capabilities mode page */
 		cd->cdi.speed = 1;
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index e6718a74e5da..b2e28197a086 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1009,17 +1009,40 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb,
 	struct storvsc_scan_work *wrk;
 	void (*process_err_fn)(struct work_struct *work);
 	struct hv_host_device *host_dev = shost_priv(host);
-	bool do_work = false;
 
-	switch (SRB_STATUS(vm_srb->srb_status)) {
-	case SRB_STATUS_ERROR:
+	/*
+	 * In some situations, Hyper-V sets multiple bits in the
+	 * srb_status, such as ABORTED and ERROR. So process them
+	 * individually, with the most specific bits first.
+	 */
+
+	if (vm_srb->srb_status & SRB_STATUS_INVALID_LUN) {
+		set_host_byte(scmnd, DID_NO_CONNECT);
+		process_err_fn = storvsc_remove_lun;
+		goto do_work;
+	}
+
+	if (vm_srb->srb_status & SRB_STATUS_ABORTED) {
+		if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID &&
+		    /* Capacity data has changed */
+		    (asc == 0x2a) && (ascq == 0x9)) {
+			process_err_fn = storvsc_device_scan;
+			/*
+			 * Retry the I/O that triggered this.
+			 */
+			set_host_byte(scmnd, DID_REQUEUE);
+			goto do_work;
+		}
+	}
+
+	if (vm_srb->srb_status & SRB_STATUS_ERROR) {
 		/*
 		 * Let upper layer deal with error when
 		 * sense message is present.
 		 */
-
 		if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID)
-			break;
+			return;
+
 		/*
 		 * If there is an error; offline the device since all
 		 * error recovery strategies would have already been
@@ -1032,37 +1055,19 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb,
 			set_host_byte(scmnd, DID_PASSTHROUGH);
 			break;
 		/*
-		 * On Some Windows hosts TEST_UNIT_READY command can return
-		 * SRB_STATUS_ERROR, let the upper level code deal with it
-		 * based on the sense information.
+		 * On some Hyper-V hosts TEST_UNIT_READY command can
+		 * return SRB_STATUS_ERROR. Let the upper level code
+		 * deal with it based on the sense information.
 		 */
 		case TEST_UNIT_READY:
 			break;
 		default:
 			set_host_byte(scmnd, DID_ERROR);
 		}
-		break;
-	case SRB_STATUS_INVALID_LUN:
-		set_host_byte(scmnd, DID_NO_CONNECT);
-		do_work = true;
-		process_err_fn = storvsc_remove_lun;
-		break;
-	case SRB_STATUS_ABORTED:
-		if (vm_srb->srb_status & SRB_STATUS_AUTOSENSE_VALID &&
-		    (asc == 0x2a) && (ascq == 0x9)) {
-			do_work = true;
-			process_err_fn = storvsc_device_scan;
-			/*
-			 * Retry the I/O that triggered this.
-			 */
-			set_host_byte(scmnd, DID_REQUEUE);
-		}
-		break;
 	}
+	return;
 
-	if (!do_work)
-		return;
-
+do_work:
 	/*
 	 * We need to schedule work to process this error; schedule it.
 	 */
diff --git a/drivers/soc/mediatek/mtk-pm-domains.c b/drivers/soc/mediatek/mtk-pm-domains.c
index 0af00efa0ef8..b762bc40f56b 100644
--- a/drivers/soc/mediatek/mtk-pm-domains.c
+++ b/drivers/soc/mediatek/mtk-pm-domains.c
@@ -211,7 +211,7 @@ static int scpsys_power_on(struct generic_pm_domain *genpd)
 	if (ret)
 		return ret;
 
-	ret = clk_bulk_enable(pd->num_clks, pd->clks);
+	ret = clk_bulk_prepare_enable(pd->num_clks, pd->clks);
 	if (ret)
 		goto err_reg;
 
@@ -229,7 +229,7 @@ static int scpsys_power_on(struct generic_pm_domain *genpd)
 	regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_ISO_BIT);
 	regmap_set_bits(scpsys->base, pd->data->ctl_offs, PWR_RST_B_BIT);
 
-	ret = clk_bulk_enable(pd->num_subsys_clks, pd->subsys_clks);
+	ret = clk_bulk_prepare_enable(pd->num_subsys_clks, pd->subsys_clks);
 	if (ret)
 		goto err_pwr_ack;
 
@@ -246,9 +246,9 @@ static int scpsys_power_on(struct generic_pm_domain *genpd)
 err_disable_sram:
 	scpsys_sram_disable(pd);
 err_disable_subsys_clks:
-	clk_bulk_disable(pd->num_subsys_clks, pd->subsys_clks);
+	clk_bulk_disable_unprepare(pd->num_subsys_clks, pd->subsys_clks);
 err_pwr_ack:
-	clk_bulk_disable(pd->num_clks, pd->clks);
+	clk_bulk_disable_unprepare(pd->num_clks, pd->clks);
 err_reg:
 	scpsys_regulator_disable(pd->supply);
 	return ret;
@@ -269,7 +269,7 @@ static int scpsys_power_off(struct generic_pm_domain *genpd)
 	if (ret < 0)
 		return ret;
 
-	clk_bulk_disable(pd->num_subsys_clks, pd->subsys_clks);
+	clk_bulk_disable_unprepare(pd->num_subsys_clks, pd->subsys_clks);
 
 	/* subsys power off */
 	regmap_clear_bits(scpsys->base, pd->data->ctl_offs, PWR_RST_B_BIT);
@@ -284,7 +284,7 @@ static int scpsys_power_off(struct generic_pm_domain *genpd)
 	if (ret < 0)
 		return ret;
 
-	clk_bulk_disable(pd->num_clks, pd->clks);
+	clk_bulk_disable_unprepare(pd->num_clks, pd->clks);
 
 	scpsys_regulator_disable(pd->supply);
 
@@ -297,6 +297,7 @@ generic_pm_domain *scpsys_add_one_domain(struct scpsys *scpsys, struct device_no
 	const struct scpsys_domain_data *domain_data;
 	struct scpsys_domain *pd;
 	struct device_node *root_node = scpsys->dev->of_node;
+	struct device_node *smi_node;
 	struct property *prop;
 	const char *clk_name;
 	int i, ret, num_clks;
@@ -352,9 +353,13 @@ generic_pm_domain *scpsys_add_one_domain(struct scpsys *scpsys, struct device_no
 	if (IS_ERR(pd->infracfg))
 		return ERR_CAST(pd->infracfg);
 
-	pd->smi = syscon_regmap_lookup_by_phandle_optional(node, "mediatek,smi");
-	if (IS_ERR(pd->smi))
-		return ERR_CAST(pd->smi);
+	smi_node = of_parse_phandle(node, "mediatek,smi", 0);
+	if (smi_node) {
+		pd->smi = device_node_to_regmap(smi_node);
+		of_node_put(smi_node);
+		if (IS_ERR(pd->smi))
+			return ERR_CAST(pd->smi);
+	}
 
 	num_clks = of_clk_get_parent_count(node);
 	if (num_clks > 0) {
@@ -405,14 +410,6 @@ generic_pm_domain *scpsys_add_one_domain(struct scpsys *scpsys, struct device_no
 		pd->subsys_clks[i].clk = clk;
 	}
 
-	ret = clk_bulk_prepare(pd->num_clks, pd->clks);
-	if (ret)
-		goto err_put_subsys_clocks;
-
-	ret = clk_bulk_prepare(pd->num_subsys_clks, pd->subsys_clks);
-	if (ret)
-		goto err_unprepare_clocks;
-
 	/*
 	 * Initially turn on all domains to make the domains usable
 	 * with !CONFIG_PM and to get the hardware in sync with the
@@ -427,7 +424,7 @@ generic_pm_domain *scpsys_add_one_domain(struct scpsys *scpsys, struct device_no
 		ret = scpsys_power_on(&pd->genpd);
 		if (ret < 0) {
 			dev_err(scpsys->dev, "%pOF: failed to power on domain: %d\n", node, ret);
-			goto err_unprepare_clocks;
+			goto err_put_subsys_clocks;
 		}
 	}
 
@@ -435,7 +432,7 @@ generic_pm_domain *scpsys_add_one_domain(struct scpsys *scpsys, struct device_no
 		ret = -EINVAL;
 		dev_err(scpsys->dev,
 			"power domain with id %d already exists, check your device-tree\n", id);
-		goto err_unprepare_subsys_clocks;
+		goto err_put_subsys_clocks;
 	}
 
 	if (!pd->data->name)
@@ -455,10 +452,6 @@ generic_pm_domain *scpsys_add_one_domain(struct scpsys *scpsys, struct device_no
 
 	return scpsys->pd_data.domains[id];
 
-err_unprepare_subsys_clocks:
-	clk_bulk_unprepare(pd->num_subsys_clks, pd->subsys_clks);
-err_unprepare_clocks:
-	clk_bulk_unprepare(pd->num_clks, pd->clks);
 err_put_subsys_clocks:
 	clk_bulk_put(pd->num_subsys_clks, pd->subsys_clks);
 err_put_clocks:
@@ -537,10 +530,7 @@ static void scpsys_remove_one_domain(struct scpsys_domain *pd)
 			"failed to remove domain '%s' : %d - state may be inconsistent\n",
 			pd->genpd.name, ret);
 
-	clk_bulk_unprepare(pd->num_clks, pd->clks);
 	clk_bulk_put(pd->num_clks, pd->clks);
-
-	clk_bulk_unprepare(pd->num_subsys_clks, pd->subsys_clks);
 	clk_bulk_put(pd->num_subsys_clks, pd->subsys_clks);
 }
 
diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
index a9e0aa72654d..100d904bf700 100644
--- a/drivers/soundwire/bus.c
+++ b/drivers/soundwire/bus.c
@@ -821,26 +821,6 @@ static void sdw_modify_slave_status(struct sdw_slave *slave,
 	mutex_unlock(&bus->bus_lock);
 }
 
-static enum sdw_clk_stop_mode sdw_get_clk_stop_mode(struct sdw_slave *slave)
-{
-	enum sdw_clk_stop_mode mode;
-
-	/*
-	 * Query for clock stop mode if Slave implements
-	 * ops->get_clk_stop_mode, else read from property.
-	 */
-	if (slave->ops && slave->ops->get_clk_stop_mode) {
-		mode = slave->ops->get_clk_stop_mode(slave);
-	} else {
-		if (slave->prop.clk_stop_mode1)
-			mode = SDW_CLK_STOP_MODE1;
-		else
-			mode = SDW_CLK_STOP_MODE0;
-	}
-
-	return mode;
-}
-
 static int sdw_slave_clk_stop_callback(struct sdw_slave *slave,
 				       enum sdw_clk_stop_mode mode,
 				       enum sdw_clk_stop_type type)
@@ -849,11 +829,8 @@ static int sdw_slave_clk_stop_callback(struct sdw_slave *slave,
 
 	if (slave->ops && slave->ops->clk_stop) {
 		ret = slave->ops->clk_stop(slave, mode, type);
-		if (ret < 0) {
-			dev_err(&slave->dev,
-				"Clk Stop type =%d failed: %d\n", type, ret);
+		if (ret < 0)
 			return ret;
-		}
 	}
 
 	return 0;
@@ -880,7 +857,8 @@ static int sdw_slave_clk_stop_prepare(struct sdw_slave *slave,
 	} else {
 		ret = sdw_read_no_pm(slave, SDW_SCP_SYSTEMCTRL);
 		if (ret < 0) {
-			dev_err(&slave->dev, "SDW_SCP_SYSTEMCTRL read failed:%d\n", ret);
+			if (ret != -ENODATA)
+				dev_err(&slave->dev, "SDW_SCP_SYSTEMCTRL read failed:%d\n", ret);
 			return ret;
 		}
 		val = ret;
@@ -889,9 +867,8 @@ static int sdw_slave_clk_stop_prepare(struct sdw_slave *slave,
 
 	ret = sdw_write_no_pm(slave, SDW_SCP_SYSTEMCTRL, val);
 
-	if (ret < 0)
-		dev_err(&slave->dev,
-			"Clock Stop prepare failed for slave: %d", ret);
+	if (ret < 0 && ret != -ENODATA)
+		dev_err(&slave->dev, "SDW_SCP_SYSTEMCTRL write failed:%d\n", ret);
 
 	return ret;
 }
@@ -933,7 +910,6 @@ static int sdw_bus_wait_for_clk_prep_deprep(struct sdw_bus *bus, u16 dev_num)
  */
 int sdw_bus_prep_clk_stop(struct sdw_bus *bus)
 {
-	enum sdw_clk_stop_mode slave_mode;
 	bool simple_clk_stop = true;
 	struct sdw_slave *slave;
 	bool is_slave = false;
@@ -943,6 +919,9 @@ int sdw_bus_prep_clk_stop(struct sdw_bus *bus)
 	 * In order to save on transition time, prepare
 	 * each Slave and then wait for all Slave(s) to be
 	 * prepared for clock stop.
+	 * If one of the Slave devices has lost sync and
+	 * replies with Command Ignored/-ENODATA, we continue
+	 * the loop
 	 */
 	list_for_each_entry(slave, &bus->slaves, node) {
 		if (!slave->dev_num)
@@ -955,36 +934,45 @@ int sdw_bus_prep_clk_stop(struct sdw_bus *bus)
 		/* Identify if Slave(s) are available on Bus */
 		is_slave = true;
 
-		slave_mode = sdw_get_clk_stop_mode(slave);
-		slave->curr_clk_stop_mode = slave_mode;
-
-		ret = sdw_slave_clk_stop_callback(slave, slave_mode,
+		ret = sdw_slave_clk_stop_callback(slave,
+						  SDW_CLK_STOP_MODE0,
 						  SDW_CLK_PRE_PREPARE);
-		if (ret < 0) {
-			dev_err(&slave->dev,
-				"pre-prepare failed:%d", ret);
-			return ret;
-		}
-
-		ret = sdw_slave_clk_stop_prepare(slave,
-						 slave_mode, true);
-		if (ret < 0) {
-			dev_err(&slave->dev,
-				"pre-prepare failed:%d", ret);
+		if (ret < 0 && ret != -ENODATA) {
+			dev_err(&slave->dev, "clock stop pre-prepare cb failed:%d\n", ret);
 			return ret;
 		}
 
-		if (slave_mode == SDW_CLK_STOP_MODE1)
+		/* Only prepare a Slave device if needed */
+		if (!slave->prop.simple_clk_stop_capable) {
 			simple_clk_stop = false;
+
+			ret = sdw_slave_clk_stop_prepare(slave,
+							 SDW_CLK_STOP_MODE0,
+							 true);
+			if (ret < 0 && ret != -ENODATA) {
+				dev_err(&slave->dev, "clock stop prepare failed:%d\n", ret);
+				return ret;
+			}
+		}
 	}
 
 	/* Skip remaining clock stop preparation if no Slave is attached */
 	if (!is_slave)
-		return ret;
+		return 0;
 
+	/*
+	 * Don't wait for all Slaves to be ready if they follow the simple
+	 * state machine
+	 */
 	if (!simple_clk_stop) {
 		ret = sdw_bus_wait_for_clk_prep_deprep(bus,
 						       SDW_BROADCAST_DEV_NUM);
+		/*
+		 * if there are no Slave devices present and the reply is
+		 * Command_Ignored/-ENODATA, we don't need to continue with the
+		 * flow and can just return here. The error code is not modified
+		 * and its handling left as an exercise for the caller.
+		 */
 		if (ret < 0)
 			return ret;
 	}
@@ -998,21 +986,17 @@ int sdw_bus_prep_clk_stop(struct sdw_bus *bus)
 		    slave->status != SDW_SLAVE_ALERT)
 			continue;
 
-		slave_mode = slave->curr_clk_stop_mode;
+		ret = sdw_slave_clk_stop_callback(slave,
+						  SDW_CLK_STOP_MODE0,
+						  SDW_CLK_POST_PREPARE);
 
-		if (slave_mode == SDW_CLK_STOP_MODE1) {
-			ret = sdw_slave_clk_stop_callback(slave,
-							  slave_mode,
-							  SDW_CLK_POST_PREPARE);
-
-			if (ret < 0) {
-				dev_err(&slave->dev,
-					"post-prepare failed:%d", ret);
-			}
+		if (ret < 0 && ret != -ENODATA) {
+			dev_err(&slave->dev, "clock stop post-prepare cb failed:%d\n", ret);
+			return ret;
 		}
 	}
 
-	return ret;
+	return 0;
 }
 EXPORT_SYMBOL(sdw_bus_prep_clk_stop);
 
@@ -1035,12 +1019,8 @@ int sdw_bus_clk_stop(struct sdw_bus *bus)
 	ret = sdw_bwrite_no_pm(bus, SDW_BROADCAST_DEV_NUM,
 			       SDW_SCP_CTRL, SDW_SCP_CTRL_CLK_STP_NOW);
 	if (ret < 0) {
-		if (ret == -ENODATA)
-			dev_dbg(bus->dev,
-				"ClockStopNow Broadcast msg ignored %d", ret);
-		else
-			dev_err(bus->dev,
-				"ClockStopNow Broadcast msg failed %d", ret);
+		if (ret != -ENODATA)
+			dev_err(bus->dev, "ClockStopNow Broadcast msg failed %d\n", ret);
 		return ret;
 	}
 
@@ -1059,7 +1039,6 @@ EXPORT_SYMBOL(sdw_bus_clk_stop);
  */
 int sdw_bus_exit_clk_stop(struct sdw_bus *bus)
 {
-	enum sdw_clk_stop_mode mode;
 	bool simple_clk_stop = true;
 	struct sdw_slave *slave;
 	bool is_slave = false;
@@ -1081,33 +1060,36 @@ int sdw_bus_exit_clk_stop(struct sdw_bus *bus)
 		/* Identify if Slave(s) are available on Bus */
 		is_slave = true;
 
-		mode = slave->curr_clk_stop_mode;
-
-		if (mode == SDW_CLK_STOP_MODE1) {
-			simple_clk_stop = false;
-			continue;
-		}
-
-		ret = sdw_slave_clk_stop_callback(slave, mode,
+		ret = sdw_slave_clk_stop_callback(slave, SDW_CLK_STOP_MODE0,
 						  SDW_CLK_PRE_DEPREPARE);
 		if (ret < 0)
-			dev_warn(&slave->dev,
-				 "clk stop deprep failed:%d", ret);
+			dev_warn(&slave->dev, "clock stop pre-deprepare cb failed:%d\n", ret);
 
-		ret = sdw_slave_clk_stop_prepare(slave, mode,
-						 false);
+		/* Only de-prepare a Slave device if needed */
+		if (!slave->prop.simple_clk_stop_capable) {
+			simple_clk_stop = false;
 
-		if (ret < 0)
-			dev_warn(&slave->dev,
-				 "clk stop deprep failed:%d", ret);
+			ret = sdw_slave_clk_stop_prepare(slave, SDW_CLK_STOP_MODE0,
+							 false);
+
+			if (ret < 0)
+				dev_warn(&slave->dev, "clock stop deprepare failed:%d\n", ret);
+		}
 	}
 
 	/* Skip remaining clock stop de-preparation if no Slave is attached */
 	if (!is_slave)
 		return 0;
 
-	if (!simple_clk_stop)
-		sdw_bus_wait_for_clk_prep_deprep(bus, SDW_BROADCAST_DEV_NUM);
+	/*
+	 * Don't wait for all Slaves to be ready if they follow the simple
+	 * state machine
+	 */
+	if (!simple_clk_stop) {
+		ret = sdw_bus_wait_for_clk_prep_deprep(bus, SDW_BROADCAST_DEV_NUM);
+		if (ret < 0)
+			dev_warn(&slave->dev, "clock stop deprepare wait failed:%d\n", ret);
+	}
 
 	list_for_each_entry(slave, &bus->slaves, node) {
 		if (!slave->dev_num)
@@ -1117,9 +1099,10 @@ int sdw_bus_exit_clk_stop(struct sdw_bus *bus)
 		    slave->status != SDW_SLAVE_ALERT)
 			continue;
 
-		mode = slave->curr_clk_stop_mode;
-		sdw_slave_clk_stop_callback(slave, mode,
-					    SDW_CLK_POST_DEPREPARE);
+		ret = sdw_slave_clk_stop_callback(slave, SDW_CLK_STOP_MODE0,
+						  SDW_CLK_POST_DEPREPARE);
+		if (ret < 0)
+			dev_warn(&slave->dev, "clock stop post-deprepare cb failed:%d\n", ret);
 	}
 
 	return 0;
diff --git a/drivers/staging/rtl8723bs/hal/odm.h b/drivers/staging/rtl8723bs/hal/odm.h
index ff21343fbe0b..a428b0d7e37c 100644
--- a/drivers/staging/rtl8723bs/hal/odm.h
+++ b/drivers/staging/rtl8723bs/hal/odm.h
@@ -197,10 +197,7 @@ struct odm_rate_adaptive {
 
 #define AVG_THERMAL_NUM		8
 #define IQK_Matrix_REG_NUM	8
-#define IQK_Matrix_Settings_NUM	(14 + 24 + 21) /*   Channels_2_4G_NUM
-						* + Channels_5G_20M_NUM
-						* + Channels_5G
-						*/
+#define IQK_Matrix_Settings_NUM	14 /* Channels_2_4G_NUM */
 
 #define		DM_Type_ByFW			0
 #define		DM_Type_ByDriver		1
diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
index 6d0d0beed402..0cd5608e6496 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
@@ -2602,10 +2602,9 @@ static int rtw_dbg_port(struct net_device *dev,
 				case 0x12: /* set rx_stbc */
 				{
 					struct registry_priv *pregpriv = &padapter->registrypriv;
-					/*  0: disable, bit(0):enable 2.4g, bit(1):enable 5g, 0x3: enable both 2.4g and 5g */
-					/* default is set to enable 2.4GHZ for IOT issue with bufflao's AP at 5GHZ */
-					if (extra_arg == 0 || extra_arg == 1 ||
-					    extra_arg == 2 || extra_arg == 3)
+					/*  0: disable, bit(0):enable 2.4g */
+					/* default is set to enable 2.4GHZ */
+					if (extra_arg == 0 || extra_arg == 1)
 						pregpriv->rx_stbc = extra_arg;
 				}
 				break;
diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c
index e1e412348076..1a60adb1d30a 100644
--- a/drivers/thermal/rcar_gen3_thermal.c
+++ b/drivers/thermal/rcar_gen3_thermal.c
@@ -143,7 +143,7 @@ static void rcar_gen3_thermal_calc_coefs(struct rcar_gen3_thermal_tsc *tsc,
 	 * Division is not scaled in BSP and if scaled it might overflow
 	 * the dividend (4095 * 4095 << 14 > INT_MAX) so keep it unscaled
 	 */
-	tsc->tj_t = (FIXPT_INT((ptat[1] - ptat[2]) * 157)
+	tsc->tj_t = (FIXPT_INT((ptat[1] - ptat[2]) * (ths_tj_1 - TJ_3))
 		     / (ptat[0] - ptat[2])) + FIXPT_INT(TJ_3);
 
 	tsc->coef.a1 = FIXPT_DIV(FIXPT_INT(thcode[1] - thcode[2]),
diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c
index 3682edb2f466..fe06cccf14b3 100644
--- a/drivers/thermal/sprd_thermal.c
+++ b/drivers/thermal/sprd_thermal.c
@@ -532,6 +532,7 @@ static const struct of_device_id sprd_thermal_of_match[] = {
 	{ .compatible = "sprd,ums512-thermal", .data = &ums512_data },
 	{ },
 };
+MODULE_DEVICE_TABLE(of, sprd_thermal_of_match);
 
 static const struct dev_pm_ops sprd_thermal_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(sprd_thm_suspend, sprd_thm_resume)
diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c
index 46d0906a3070..470885e6f1c8 100644
--- a/drivers/thunderbolt/eeprom.c
+++ b/drivers/thunderbolt/eeprom.c
@@ -214,7 +214,10 @@ static u32 tb_crc32(void *data, size_t len)
 	return ~__crc32c_le(~0, data, len);
 }
 
-#define TB_DROM_DATA_START 13
+#define TB_DROM_DATA_START		13
+#define TB_DROM_HEADER_SIZE		22
+#define USB4_DROM_HEADER_SIZE		16
+
 struct tb_drom_header {
 	/* BYTE 0 */
 	u8 uid_crc8; /* checksum for uid */
@@ -224,9 +227,9 @@ struct tb_drom_header {
 	u32 data_crc32; /* checksum for data_len bytes starting at byte 13 */
 	/* BYTE 13 */
 	u8 device_rom_revision; /* should be <= 1 */
-	u16 data_len:10;
-	u8 __unknown1:6;
-	/* BYTES 16-21 */
+	u16 data_len:12;
+	u8 reserved:4;
+	/* BYTES 16-21 - Only for TBT DROM, nonexistent in USB4 DROM */
 	u16 vendor_id;
 	u16 model_id;
 	u8 model_rev;
@@ -401,10 +404,10 @@ static int tb_drom_parse_entry_port(struct tb_switch *sw,
  *
  * Drom must have been copied to sw->drom.
  */
-static int tb_drom_parse_entries(struct tb_switch *sw)
+static int tb_drom_parse_entries(struct tb_switch *sw, size_t header_size)
 {
 	struct tb_drom_header *header = (void *) sw->drom;
-	u16 pos = sizeof(*header);
+	u16 pos = header_size;
 	u16 drom_size = header->data_len + TB_DROM_DATA_START;
 	int res;
 
@@ -566,7 +569,7 @@ static int tb_drom_parse(struct tb_switch *sw)
 			header->data_crc32, crc);
 	}
 
-	return tb_drom_parse_entries(sw);
+	return tb_drom_parse_entries(sw, TB_DROM_HEADER_SIZE);
 }
 
 static int usb4_drom_parse(struct tb_switch *sw)
@@ -583,7 +586,7 @@ static int usb4_drom_parse(struct tb_switch *sw)
 		return -EINVAL;
 	}
 
-	return tb_drom_parse_entries(sw);
+	return tb_drom_parse_entries(sw, USB4_DROM_HEADER_SIZE);
 }
 
 /**
diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c
index 0b077b45d6a9..bce28729dd7b 100644
--- a/drivers/tty/serial/8250/8250_of.c
+++ b/drivers/tty/serial/8250/8250_of.c
@@ -192,6 +192,10 @@ static int of_platform_serial_probe(struct platform_device *ofdev)
 	u32 tx_threshold;
 	int ret;
 
+	if (IS_ENABLED(CONFIG_SERIAL_8250_BCM7271) &&
+	    of_device_is_compatible(ofdev->dev.of_node, "brcm,bcm7271-uart"))
+		return -ENODEV;
+
 	port_type = (unsigned long)of_device_get_match_data(&ofdev->dev);
 	if (port_type == PORT_UNKNOWN)
 		return -EINVAL;
diff --git a/drivers/tty/serial/8250/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c
index 53f2697014a0..dc2ef05a10eb 100644
--- a/drivers/tty/serial/8250/serial_cs.c
+++ b/drivers/tty/serial/8250/serial_cs.c
@@ -306,6 +306,7 @@ static int serial_resume(struct pcmcia_device *link)
 static int serial_probe(struct pcmcia_device *link)
 {
 	struct serial_info *info;
+	int ret;
 
 	dev_dbg(&link->dev, "serial_attach()\n");
 
@@ -320,7 +321,15 @@ static int serial_probe(struct pcmcia_device *link)
 	if (do_sound)
 		link->config_flags |= CONF_ENABLE_SPKR;
 
-	return serial_config(link);
+	ret = serial_config(link);
+	if (ret)
+		goto free_info;
+
+	return 0;
+
+free_info:
+	kfree(info);
+	return ret;
 }
 
 static void serial_detach(struct pcmcia_device *link)
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 9c78e43e669d..0d7ea144a4a6 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -1571,6 +1571,9 @@ static void lpuart_tx_dma_startup(struct lpuart_port *sport)
 	u32 uartbaud;
 	int ret;
 
+	if (uart_console(&sport->port))
+		goto err;
+
 	if (!sport->dma_tx_chan)
 		goto err;
 
@@ -1600,6 +1603,9 @@ static void lpuart_rx_dma_startup(struct lpuart_port *sport)
 	int ret;
 	unsigned char cr3;
 
+	if (uart_console(&sport->port))
+		goto err;
+
 	if (!sport->dma_rx_chan)
 		goto err;
 
@@ -2404,6 +2410,9 @@ lpuart32_console_get_options(struct lpuart_port *sport, int *baud,
 
 	bd = lpuart32_read(&sport->port, UARTBAUD);
 	bd &= UARTBAUD_SBR_MASK;
+	if (!bd)
+		return;
+
 	sbr = bd;
 	uartclk = lpuart_get_baud_clk_rate(sport);
 	/*
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index f42ccc40ffa6..a5f15f22d9ef 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -505,21 +505,23 @@ static void ulite_console_write(struct console *co, const char *s,
 
 static int ulite_console_setup(struct console *co, char *options)
 {
-	struct uart_port *port;
+	struct uart_port *port = NULL;
 	int baud = 9600;
 	int bits = 8;
 	int parity = 'n';
 	int flow = 'n';
 
-
-	port = console_port;
+	if (co->index >= 0 && co->index < ULITE_NR_UARTS)
+		port = ulite_ports + co->index;
 
 	/* Has the device been initialized yet? */
-	if (!port->mapbase) {
+	if (!port || !port->mapbase) {
 		pr_debug("console on ttyUL%i not present\n", co->index);
 		return -ENODEV;
 	}
 
+	console_port = port;
+
 	/* not initialized yet? */
 	if (!port->membase) {
 		if (ulite_request_port(port))
@@ -655,17 +657,6 @@ static int ulite_assign(struct device *dev, int id, u32 base, int irq,
 
 	dev_set_drvdata(dev, port);
 
-#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE
-	/*
-	 * If console hasn't been found yet try to assign this port
-	 * because it is required to be assigned for console setup function.
-	 * If register_console() don't assign value, then console_port pointer
-	 * is cleanup.
-	 */
-	if (ulite_uart_driver.cons->index == -1)
-		console_port = port;
-#endif
-
 	/* Register the port */
 	rc = uart_add_one_port(&ulite_uart_driver, port);
 	if (rc) {
@@ -675,12 +666,6 @@ static int ulite_assign(struct device *dev, int id, u32 base, int irq,
 		return rc;
 	}
 
-#ifdef CONFIG_SERIAL_UARTLITE_CONSOLE
-	/* This is not port which is used for console that's why clean it up */
-	if (ulite_uart_driver.cons->index == -1)
-		console_port = NULL;
-#endif
-
 	return 0;
 }
 
diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c
index 6c4e3a19f42c..c9545a4eff66 100644
--- a/drivers/usb/common/usb-conn-gpio.c
+++ b/drivers/usb/common/usb-conn-gpio.c
@@ -149,14 +149,32 @@ static int usb_charger_get_property(struct power_supply *psy,
 	return 0;
 }
 
-static int usb_conn_probe(struct platform_device *pdev)
+static int usb_conn_psy_register(struct usb_conn_info *info)
 {
-	struct device *dev = &pdev->dev;
-	struct power_supply_desc *desc;
-	struct usb_conn_info *info;
+	struct device *dev = info->dev;
+	struct power_supply_desc *desc = &info->desc;
 	struct power_supply_config cfg = {
 		.of_node = dev->of_node,
 	};
+
+	desc->name = "usb-charger";
+	desc->properties = usb_charger_properties;
+	desc->num_properties = ARRAY_SIZE(usb_charger_properties);
+	desc->get_property = usb_charger_get_property;
+	desc->type = POWER_SUPPLY_TYPE_USB;
+	cfg.drv_data = info;
+
+	info->charger = devm_power_supply_register(dev, desc, &cfg);
+	if (IS_ERR(info->charger))
+		dev_err(dev, "Unable to register charger\n");
+
+	return PTR_ERR_OR_ZERO(info->charger);
+}
+
+static int usb_conn_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct usb_conn_info *info;
 	bool need_vbus = true;
 	int ret = 0;
 
@@ -218,6 +236,10 @@ static int usb_conn_probe(struct platform_device *pdev)
 		return PTR_ERR(info->role_sw);
 	}
 
+	ret = usb_conn_psy_register(info);
+	if (ret)
+		goto put_role_sw;
+
 	if (info->id_gpiod) {
 		info->id_irq = gpiod_to_irq(info->id_gpiod);
 		if (info->id_irq < 0) {
@@ -252,20 +274,6 @@ static int usb_conn_probe(struct platform_device *pdev)
 		}
 	}
 
-	desc = &info->desc;
-	desc->name = "usb-charger";
-	desc->properties = usb_charger_properties;
-	desc->num_properties = ARRAY_SIZE(usb_charger_properties);
-	desc->get_property = usb_charger_get_property;
-	desc->type = POWER_SUPPLY_TYPE_USB;
-	cfg.drv_data = info;
-
-	info->charger = devm_power_supply_register(dev, desc, &cfg);
-	if (IS_ERR(info->charger)) {
-		dev_err(dev, "Unable to register charger\n");
-		return PTR_ERR(info->charger);
-	}
-
 	platform_set_drvdata(pdev, info);
 
 	/* Perform initial detection */
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 1e51460938b8..2b37bdd39a74 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -36,7 +36,7 @@
 #define PCI_DEVICE_ID_INTEL_CNPH		0xa36e
 #define PCI_DEVICE_ID_INTEL_CNPV		0xa3b0
 #define PCI_DEVICE_ID_INTEL_ICLLP		0x34ee
-#define PCI_DEVICE_ID_INTEL_EHLLP		0x4b7e
+#define PCI_DEVICE_ID_INTEL_EHL			0x4b7e
 #define PCI_DEVICE_ID_INTEL_TGPLP		0xa0ee
 #define PCI_DEVICE_ID_INTEL_TGPH		0x43ee
 #define PCI_DEVICE_ID_INTEL_JSP			0x4dee
@@ -167,7 +167,7 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc)
 	if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
 		if (pdev->device == PCI_DEVICE_ID_INTEL_BXT ||
 		    pdev->device == PCI_DEVICE_ID_INTEL_BXT_M ||
-		    pdev->device == PCI_DEVICE_ID_INTEL_EHLLP) {
+		    pdev->device == PCI_DEVICE_ID_INTEL_EHL) {
 			guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid);
 			dwc->has_dsm_for_pm = true;
 		}
@@ -375,8 +375,8 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICLLP),
 	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
-	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHLLP),
-	  (kernel_ulong_t) &dwc3_pci_intel_swnode },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHL),
+	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
 
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPLP),
 	  (kernel_ulong_t) &dwc3_pci_intel_swnode, },
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index e55699308117..a82b3de1a54b 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -88,7 +88,7 @@ static struct usb_interface_descriptor hidg_interface_desc = {
 static struct hid_descriptor hidg_desc = {
 	.bLength			= sizeof hidg_desc,
 	.bDescriptorType		= HID_DT_HID,
-	.bcdHID				= 0x0101,
+	.bcdHID				= cpu_to_le16(0x0101),
 	.bCountryCode			= 0x00,
 	.bNumDescriptors		= 0x1,
 	/*.desc[0].bDescriptorType	= DYNAMIC */
diff --git a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c
index c4eda7fe7ab4..5b27d289443f 100644
--- a/drivers/usb/gadget/legacy/hid.c
+++ b/drivers/usb/gadget/legacy/hid.c
@@ -171,8 +171,10 @@ static int hid_bind(struct usb_composite_dev *cdev)
 		struct usb_descriptor_header *usb_desc;
 
 		usb_desc = usb_otg_descriptor_alloc(gadget);
-		if (!usb_desc)
+		if (!usb_desc) {
+			status = -ENOMEM;
 			goto put;
+		}
 		usb_otg_descriptor_init(gadget, usb_desc);
 		otg_desc[0] = usb_desc;
 		otg_desc[1] = NULL;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 27283654ca08..9248ce8d09a4 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1361,12 +1361,17 @@ static void xhci_unmap_temp_buf(struct usb_hcd *hcd, struct urb *urb)
 				 urb->transfer_buffer_length,
 				 dir);
 
-	if (usb_urb_dir_in(urb))
+	if (usb_urb_dir_in(urb)) {
 		len = sg_pcopy_from_buffer(urb->sg, urb->num_sgs,
 					   urb->transfer_buffer,
 					   buf_len,
 					   0);
-
+		if (len != buf_len) {
+			xhci_dbg(hcd_to_xhci(hcd),
+				 "Copy from tmp buf to urb sg list failed\n");
+			urb->actual_length = len;
+		}
+	}
 	urb->transfer_flags &= ~URB_DMA_MAP_SINGLE;
 	kfree(urb->transfer_buffer);
 	urb->transfer_buffer = NULL;
diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c
index 800cfd1967ad..cfa56a58b271 100644
--- a/drivers/vdpa/mlx5/core/mr.c
+++ b/drivers/vdpa/mlx5/core/mr.c
@@ -219,11 +219,6 @@ static void destroy_indirect_key(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_m
 	mlx5_vdpa_destroy_mkey(mvdev, &mkey->mkey);
 }
 
-static struct device *get_dma_device(struct mlx5_vdpa_dev *mvdev)
-{
-	return &mvdev->mdev->pdev->dev;
-}
-
 static int map_direct_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_direct_mr *mr,
 			 struct vhost_iotlb *iotlb)
 {
@@ -239,7 +234,7 @@ static int map_direct_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_direct_mr
 	u64 pa;
 	u64 paend;
 	struct scatterlist *sg;
-	struct device *dma = get_dma_device(mvdev);
+	struct device *dma = mvdev->vdev.dma_dev;
 
 	for (map = vhost_iotlb_itree_first(iotlb, mr->start, mr->end - 1);
 	     map; map = vhost_iotlb_itree_next(map, start, mr->end - 1)) {
@@ -298,7 +293,7 @@ static int map_direct_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_direct_mr
 
 static void unmap_direct_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_direct_mr *mr)
 {
-	struct device *dma = get_dma_device(mvdev);
+	struct device *dma = mvdev->vdev.dma_dev;
 
 	destroy_direct_mr(mvdev, mr);
 	dma_unmap_sg_attrs(dma, mr->sg_head.sgl, mr->nsg, DMA_BIDIRECTIONAL, 0);
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index dda5dc6f7737..32dd5ed712cb 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -611,8 +611,8 @@ static void cq_destroy(struct mlx5_vdpa_net *ndev, u16 idx)
 	mlx5_db_free(ndev->mvdev.mdev, &vcq->db);
 }
 
-static int umem_size(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue *mvq, int num,
-		     struct mlx5_vdpa_umem **umemp)
+static void set_umem_size(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue *mvq, int num,
+			  struct mlx5_vdpa_umem **umemp)
 {
 	struct mlx5_core_dev *mdev = ndev->mvdev.mdev;
 	int p_a;
@@ -635,7 +635,7 @@ static int umem_size(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue *mvq
 		*umemp = &mvq->umem3;
 		break;
 	}
-	return p_a * mvq->num_ent + p_b;
+	(*umemp)->size = p_a * mvq->num_ent + p_b;
 }
 
 static void umem_frag_buf_free(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_umem *umem)
@@ -651,15 +651,10 @@ static int create_umem(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue *m
 	void *in;
 	int err;
 	__be64 *pas;
-	int size;
 	struct mlx5_vdpa_umem *umem;
 
-	size = umem_size(ndev, mvq, num, &umem);
-	if (size < 0)
-		return size;
-
-	umem->size = size;
-	err = umem_frag_buf_alloc(ndev, umem, size);
+	set_umem_size(ndev, mvq, num, &umem);
+	err = umem_frag_buf_alloc(ndev, umem, umem->size);
 	if (err)
 		return err;
 
@@ -829,9 +824,9 @@ static int create_virtqueue(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtque
 	MLX5_SET(virtio_q, vq_ctx, umem_1_id, mvq->umem1.id);
 	MLX5_SET(virtio_q, vq_ctx, umem_1_size, mvq->umem1.size);
 	MLX5_SET(virtio_q, vq_ctx, umem_2_id, mvq->umem2.id);
-	MLX5_SET(virtio_q, vq_ctx, umem_2_size, mvq->umem1.size);
+	MLX5_SET(virtio_q, vq_ctx, umem_2_size, mvq->umem2.size);
 	MLX5_SET(virtio_q, vq_ctx, umem_3_id, mvq->umem3.id);
-	MLX5_SET(virtio_q, vq_ctx, umem_3_size, mvq->umem1.size);
+	MLX5_SET(virtio_q, vq_ctx, umem_3_size, mvq->umem3.size);
 	MLX5_SET(virtio_q, vq_ctx, pd, ndev->mvdev.res.pdn);
 	if (MLX5_CAP_DEV_VDPA_EMULATION(ndev->mvdev.mdev, eth_frame_offload_type))
 		MLX5_SET(virtio_q, vq_ctx, virtio_version_1_0, 1);
@@ -1772,6 +1767,14 @@ static void teardown_driver(struct mlx5_vdpa_net *ndev)
 	mutex_unlock(&ndev->reslock);
 }
 
+static void clear_vqs_ready(struct mlx5_vdpa_net *ndev)
+{
+	int i;
+
+	for (i = 0; i < ndev->mvdev.max_vqs; i++)
+		ndev->vqs[i].ready = false;
+}
+
 static void mlx5_vdpa_set_status(struct vdpa_device *vdev, u8 status)
 {
 	struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev);
@@ -1782,6 +1785,7 @@ static void mlx5_vdpa_set_status(struct vdpa_device *vdev, u8 status)
 	if (!status) {
 		mlx5_vdpa_info(mvdev, "performing device reset\n");
 		teardown_driver(ndev);
+		clear_vqs_ready(ndev);
 		mlx5_vdpa_destroy_mr(&ndev->mvdev);
 		ndev->mvdev.status = 0;
 		ndev->mvdev.mlx_features = 0;
@@ -2037,7 +2041,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name)
 			goto err_mtu;
 	}
 
-	mvdev->vdev.dma_dev = mdev->device;
+	mvdev->vdev.dma_dev = &mdev->pdev->dev;
 	err = mlx5_vdpa_alloc_resources(&ndev->mvdev);
 	if (err)
 		goto err_mpfs;
diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c
index c76ebb531212..9145e0624565 100644
--- a/drivers/vdpa/virtio_pci/vp_vdpa.c
+++ b/drivers/vdpa/virtio_pci/vp_vdpa.c
@@ -442,6 +442,7 @@ static int vp_vdpa_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 			vp_modern_map_vq_notify(mdev, i,
 						&vp_vdpa->vring[i].notify_pa);
 		if (!vp_vdpa->vring[i].notify) {
+			ret = -EINVAL;
 			dev_warn(&pdev->dev, "Fail to map vq notify %d\n", i);
 			goto err;
 		}
diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index 662029d6a3dc..419b0334cf08 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -190,7 +190,7 @@ static int lm3630a_bank_a_update_status(struct backlight_device *bl)
 	if ((pwm_ctrl & LM3630A_PWM_BANK_A) != 0) {
 		lm3630a_pwm_ctrl(pchip, bl->props.brightness,
 				 bl->props.max_brightness);
-		return bl->props.brightness;
+		return 0;
 	}
 
 	/* disable sleep */
@@ -210,8 +210,8 @@ static int lm3630a_bank_a_update_status(struct backlight_device *bl)
 	return 0;
 
 out_i2c_err:
-	dev_err(pchip->dev, "i2c failed to access\n");
-	return bl->props.brightness;
+	dev_err(pchip->dev, "i2c failed to access (%pe)\n", ERR_PTR(ret));
+	return ret;
 }
 
 static int lm3630a_bank_a_get_brightness(struct backlight_device *bl)
@@ -267,7 +267,7 @@ static int lm3630a_bank_b_update_status(struct backlight_device *bl)
 	if ((pwm_ctrl & LM3630A_PWM_BANK_B) != 0) {
 		lm3630a_pwm_ctrl(pchip, bl->props.brightness,
 				 bl->props.max_brightness);
-		return bl->props.brightness;
+		return 0;
 	}
 
 	/* disable sleep */
@@ -287,8 +287,8 @@ static int lm3630a_bank_b_update_status(struct backlight_device *bl)
 	return 0;
 
 out_i2c_err:
-	dev_err(pchip->dev, "i2c failed to access REG_CTRL\n");
-	return bl->props.brightness;
+	dev_err(pchip->dev, "i2c failed to access (%pe)\n", ERR_PTR(ret));
+	return ret;
 }
 
 static int lm3630a_bank_b_get_brightness(struct backlight_device *bl)
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 98f193078c05..1c855145711b 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -970,13 +970,11 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
 		fb_var_to_videomode(&mode2, &info->var);
 		/* make sure we don't delete the videomode of current var */
 		ret = fb_mode_is_equal(&mode1, &mode2);
-
-		if (!ret)
-			fbcon_mode_deleted(info, &mode1);
-
-		if (!ret)
-			fb_delete_videomode(&mode1, &info->modelist);
-
+		if (!ret) {
+			ret = fbcon_mode_deleted(info, &mode1);
+			if (!ret)
+				fb_delete_videomode(&mode1, &info->modelist);
+		}
 
 		return ret ? -EINVAL : 0;
 	}
diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c
index 10ec60d81e84..3bf08b5bb359 100644
--- a/drivers/virtio/virtio_mem.c
+++ b/drivers/virtio/virtio_mem.c
@@ -2420,6 +2420,10 @@ static int virtio_mem_init(struct virtio_mem *vm)
 		dev_warn(&vm->vdev->dev,
 			 "Some device memory is not addressable/pluggable. This can make some memory unusable.\n");
 
+	/* Prepare the offline threshold - make sure we can add two blocks. */
+	vm->offline_threshold = max_t(uint64_t, 2 * memory_block_size_bytes(),
+				      VIRTIO_MEM_DEFAULT_OFFLINE_THRESHOLD);
+
 	/*
 	 * We want subblocks to span at least MAX_ORDER_NR_PAGES and
 	 * pageblock_nr_pages pages. This:
@@ -2466,14 +2470,11 @@ static int virtio_mem_init(struct virtio_mem *vm)
 		       vm->bbm.bb_size - 1;
 		vm->bbm.first_bb_id = virtio_mem_phys_to_bb_id(vm, addr);
 		vm->bbm.next_bb_id = vm->bbm.first_bb_id;
-	}
 
-	/* Prepare the offline threshold - make sure we can add two blocks. */
-	vm->offline_threshold = max_t(uint64_t, 2 * memory_block_size_bytes(),
-				      VIRTIO_MEM_DEFAULT_OFFLINE_THRESHOLD);
-	/* In BBM, we also want at least two big blocks. */
-	vm->offline_threshold = max_t(uint64_t, 2 * vm->bbm.bb_size,
-				      vm->offline_threshold);
+		/* Make sure we can add two big blocks. */
+		vm->offline_threshold = max_t(uint64_t, 2 * vm->bbm.bb_size,
+					      vm->offline_threshold);
+	}
 
 	dev_info(&vm->vdev->dev, "start address: 0x%llx", vm->addr);
 	dev_info(&vm->vdev->dev, "region size: 0x%llx", vm->region_size);
diff --git a/drivers/w1/slaves/w1_ds2438.c b/drivers/w1/slaves/w1_ds2438.c
index 5cfb0ae23e91..5698566b0ee0 100644
--- a/drivers/w1/slaves/w1_ds2438.c
+++ b/drivers/w1/slaves/w1_ds2438.c
@@ -62,13 +62,13 @@ static int w1_ds2438_get_page(struct w1_slave *sl, int pageno, u8 *buf)
 		if (w1_reset_select_slave(sl))
 			continue;
 		w1_buf[0] = W1_DS2438_RECALL_MEMORY;
-		w1_buf[1] = 0x00;
+		w1_buf[1] = (u8)pageno;
 		w1_write_block(sl->master, w1_buf, 2);
 
 		if (w1_reset_select_slave(sl))
 			continue;
 		w1_buf[0] = W1_DS2438_READ_SCRATCH;
-		w1_buf[1] = 0x00;
+		w1_buf[1] = (u8)pageno;
 		w1_write_block(sl->master, w1_buf, 2);
 
 		count = w1_read_block(sl->master, buf, DS2438_PAGE_SIZE + 1);
diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c
index 7e00960651fa..507fd815d767 100644
--- a/drivers/watchdog/aspeed_wdt.c
+++ b/drivers/watchdog/aspeed_wdt.c
@@ -147,7 +147,7 @@ static int aspeed_wdt_set_timeout(struct watchdog_device *wdd,
 
 	wdd->timeout = timeout;
 
-	actual = min(timeout, wdd->max_hw_heartbeat_ms * 1000);
+	actual = min(timeout, wdd->max_hw_heartbeat_ms / 1000);
 
 	writel(actual * WDT_RATE_1MHZ, wdt->base + WDT_RELOAD_VALUE);
 	writel(WDT_RESTART_MAGIC, wdt->base + WDT_RESTART);
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index bf31d7b67a69..3f1324871cfd 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -71,6 +71,8 @@
 #define TCOBASE(p)	((p)->tco_res->start)
 /* SMI Control and Enable Register */
 #define SMI_EN(p)	((p)->smi_res->start)
+#define TCO_EN		(1 << 13)
+#define GBL_SMI_EN	(1 << 0)
 
 #define TCO_RLD(p)	(TCOBASE(p) + 0x00) /* TCO Timer Reload/Curr. Value */
 #define TCOv1_TMR(p)	(TCOBASE(p) + 0x01) /* TCOv1 Timer Initial Value*/
@@ -355,8 +357,12 @@ static int iTCO_wdt_set_timeout(struct watchdog_device *wd_dev, unsigned int t)
 
 	tmrval = seconds_to_ticks(p, t);
 
-	/* For TCO v1 the timer counts down twice before rebooting */
-	if (p->iTCO_version == 1)
+	/*
+	 * If TCO SMIs are off, the timer counts down twice before rebooting.
+	 * Otherwise, the BIOS generally reboots when the SMI triggers.
+	 */
+	if (p->smi_res &&
+	    (SMI_EN(p) & (TCO_EN | GBL_SMI_EN)) != (TCO_EN | GBL_SMI_EN))
 		tmrval /= 2;
 
 	/* from the specs: */
@@ -521,7 +527,7 @@ static int iTCO_wdt_probe(struct platform_device *pdev)
 		 * Disables TCO logic generating an SMI#
 		 */
 		val32 = inl(SMI_EN(p));
-		val32 &= 0xffffdfff;	/* Turn off SMI clearing watchdog */
+		val32 &= ~TCO_EN;	/* Turn off SMI clearing watchdog */
 		outl(val32, SMI_EN(p));
 	}
 
diff --git a/drivers/watchdog/imx_sc_wdt.c b/drivers/watchdog/imx_sc_wdt.c
index e9ee22a7cb45..8ac021748d16 100644
--- a/drivers/watchdog/imx_sc_wdt.c
+++ b/drivers/watchdog/imx_sc_wdt.c
@@ -183,16 +183,12 @@ static int imx_sc_wdt_probe(struct platform_device *pdev)
 	watchdog_stop_on_reboot(wdog);
 	watchdog_stop_on_unregister(wdog);
 
-	ret = devm_watchdog_register_device(dev, wdog);
-	if (ret)
-		return ret;
-
 	ret = imx_scu_irq_group_enable(SC_IRQ_GROUP_WDOG,
 				       SC_IRQ_WDOG,
 				       true);
 	if (ret) {
 		dev_warn(dev, "Enable irq failed, pretimeout NOT supported\n");
-		return 0;
+		goto register_device;
 	}
 
 	imx_sc_wdd->wdt_notifier.notifier_call = imx_sc_wdt_notify;
@@ -203,7 +199,7 @@ static int imx_sc_wdt_probe(struct platform_device *pdev)
 					 false);
 		dev_warn(dev,
 			 "Register irq notifier failed, pretimeout NOT supported\n");
-		return 0;
+		goto register_device;
 	}
 
 	ret = devm_add_action_or_reset(dev, imx_sc_wdt_action,
@@ -213,7 +209,8 @@ static int imx_sc_wdt_probe(struct platform_device *pdev)
 	else
 		dev_warn(dev, "Add action failed, pretimeout NOT supported\n");
 
-	return 0;
+register_device:
+	return devm_watchdog_register_device(dev, wdog);
 }
 
 static int __maybe_unused imx_sc_wdt_suspend(struct device *dev)
diff --git a/drivers/watchdog/jz4740_wdt.c b/drivers/watchdog/jz4740_wdt.c
index bdf9564efa29..395bde79e292 100644
--- a/drivers/watchdog/jz4740_wdt.c
+++ b/drivers/watchdog/jz4740_wdt.c
@@ -176,9 +176,9 @@ static int jz4740_wdt_probe(struct platform_device *pdev)
 	watchdog_set_drvdata(jz4740_wdt, drvdata);
 
 	drvdata->map = device_node_to_regmap(dev->parent->of_node);
-	if (!drvdata->map) {
+	if (IS_ERR(drvdata->map)) {
 		dev_err(dev, "regmap not found\n");
-		return -EINVAL;
+		return PTR_ERR(drvdata->map);
 	}
 
 	return devm_watchdog_register_device(dev, &drvdata->wdt);
diff --git a/drivers/watchdog/keembay_wdt.c b/drivers/watchdog/keembay_wdt.c
index 547d3fea33ff..dd192b8dff55 100644
--- a/drivers/watchdog/keembay_wdt.c
+++ b/drivers/watchdog/keembay_wdt.c
@@ -23,12 +23,14 @@
 #define TIM_WDOG_EN		0x8
 #define TIM_SAFE		0xc
 
-#define WDT_ISR_MASK		GENMASK(9, 8)
+#define WDT_TH_INT_MASK		BIT(8)
+#define WDT_TO_INT_MASK		BIT(9)
 #define WDT_ISR_CLEAR		0x8200ff18
 #define WDT_UNLOCK		0xf1d0dead
 #define WDT_LOAD_MAX		U32_MAX
 #define WDT_LOAD_MIN		1
 #define WDT_TIMEOUT		5
+#define WDT_PRETIMEOUT		4
 
 static unsigned int timeout = WDT_TIMEOUT;
 module_param(timeout, int, 0);
@@ -82,7 +84,6 @@ static int keembay_wdt_start(struct watchdog_device *wdog)
 {
 	struct keembay_wdt *wdt = watchdog_get_drvdata(wdog);
 
-	keembay_wdt_set_timeout_reg(wdog);
 	keembay_wdt_writel(wdt, TIM_WDOG_EN, 1);
 
 	return 0;
@@ -108,6 +109,7 @@ static int keembay_wdt_set_timeout(struct watchdog_device *wdog, u32 t)
 {
 	wdog->timeout = t;
 	keembay_wdt_set_timeout_reg(wdog);
+	keembay_wdt_set_pretimeout_reg(wdog);
 
 	return 0;
 }
@@ -139,8 +141,7 @@ static irqreturn_t keembay_wdt_to_isr(int irq, void *dev_id)
 	struct keembay_wdt *wdt = dev_id;
 	struct arm_smccc_res res;
 
-	keembay_wdt_writel(wdt, TIM_WATCHDOG, 1);
-	arm_smccc_smc(WDT_ISR_CLEAR, WDT_ISR_MASK, 0, 0, 0, 0, 0, 0, &res);
+	arm_smccc_smc(WDT_ISR_CLEAR, WDT_TO_INT_MASK, 0, 0, 0, 0, 0, 0, &res);
 	dev_crit(wdt->wdd.parent, "Intel Keem Bay non-sec wdt timeout.\n");
 	emergency_restart();
 
@@ -152,7 +153,9 @@ static irqreturn_t keembay_wdt_th_isr(int irq, void *dev_id)
 	struct keembay_wdt *wdt = dev_id;
 	struct arm_smccc_res res;
 
-	arm_smccc_smc(WDT_ISR_CLEAR, WDT_ISR_MASK, 0, 0, 0, 0, 0, 0, &res);
+	keembay_wdt_set_pretimeout(&wdt->wdd, 0x0);
+
+	arm_smccc_smc(WDT_ISR_CLEAR, WDT_TH_INT_MASK, 0, 0, 0, 0, 0, 0, &res);
 	dev_crit(wdt->wdd.parent, "Intel Keem Bay non-sec wdt pre-timeout.\n");
 	watchdog_notify_pretimeout(&wdt->wdd);
 
@@ -224,11 +227,13 @@ static int keembay_wdt_probe(struct platform_device *pdev)
 	wdt->wdd.min_timeout	= WDT_LOAD_MIN;
 	wdt->wdd.max_timeout	= WDT_LOAD_MAX / wdt->rate;
 	wdt->wdd.timeout	= WDT_TIMEOUT;
+	wdt->wdd.pretimeout	= WDT_PRETIMEOUT;
 
 	watchdog_set_drvdata(&wdt->wdd, wdt);
 	watchdog_set_nowayout(&wdt->wdd, nowayout);
 	watchdog_init_timeout(&wdt->wdd, timeout, dev);
 	keembay_wdt_set_timeout(&wdt->wdd, wdt->wdd.timeout);
+	keembay_wdt_set_pretimeout(&wdt->wdd, wdt->wdd.pretimeout);
 
 	ret = devm_watchdog_register_device(dev, &wdt->wdd);
 	if (ret)
diff --git a/drivers/watchdog/lpc18xx_wdt.c b/drivers/watchdog/lpc18xx_wdt.c
index 78cf11c94941..60b6d74f267d 100644
--- a/drivers/watchdog/lpc18xx_wdt.c
+++ b/drivers/watchdog/lpc18xx_wdt.c
@@ -292,7 +292,7 @@ static int lpc18xx_wdt_remove(struct platform_device *pdev)
 	struct lpc18xx_wdt_dev *lpc18xx_wdt = platform_get_drvdata(pdev);
 
 	dev_warn(&pdev->dev, "I quit now, hardware will probably reboot!\n");
-	del_timer(&lpc18xx_wdt->timer);
+	del_timer_sync(&lpc18xx_wdt->timer);
 
 	return 0;
 }
diff --git a/drivers/watchdog/sbc60xxwdt.c b/drivers/watchdog/sbc60xxwdt.c
index a947a63fb44a..7b974802dfc7 100644
--- a/drivers/watchdog/sbc60xxwdt.c
+++ b/drivers/watchdog/sbc60xxwdt.c
@@ -146,7 +146,7 @@ static void wdt_startup(void)
 static void wdt_turnoff(void)
 {
 	/* Stop the timer */
-	del_timer(&timer);
+	del_timer_sync(&timer);
 	inb_p(wdt_stop);
 	pr_info("Watchdog timer is now disabled...\n");
 }
diff --git a/drivers/watchdog/sc520_wdt.c b/drivers/watchdog/sc520_wdt.c
index e66e6b905964..ca65468f4b9c 100644
--- a/drivers/watchdog/sc520_wdt.c
+++ b/drivers/watchdog/sc520_wdt.c
@@ -186,7 +186,7 @@ static int wdt_startup(void)
 static int wdt_turnoff(void)
 {
 	/* Stop the timer */
-	del_timer(&timer);
+	del_timer_sync(&timer);
 
 	/* Stop the watchdog */
 	wdt_config(0);
diff --git a/drivers/watchdog/w83877f_wdt.c b/drivers/watchdog/w83877f_wdt.c
index 5772cc5d3780..f2650863fd02 100644
--- a/drivers/watchdog/w83877f_wdt.c
+++ b/drivers/watchdog/w83877f_wdt.c
@@ -166,7 +166,7 @@ static void wdt_startup(void)
 static void wdt_turnoff(void)
 {
 	/* Stop the timer */
-	del_timer(&timer);
+	del_timer_sync(&timer);
 
 	wdt_change(WDT_DISABLE);
 
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index 6d5c4e45cfef..cf53713f8aa0 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -1499,7 +1499,15 @@ void btrfs_reclaim_bgs_work(struct work_struct *work)
 	if (!btrfs_exclop_start(fs_info, BTRFS_EXCLOP_BALANCE))
 		return;
 
-	mutex_lock(&fs_info->reclaim_bgs_lock);
+	/*
+	 * Long running balances can keep us blocked here for eternity, so
+	 * simply skip reclaim if we're unable to get the mutex.
+	 */
+	if (!mutex_trylock(&fs_info->reclaim_bgs_lock)) {
+		btrfs_exclop_finish(fs_info);
+		return;
+	}
+
 	spin_lock(&fs_info->unused_bgs_lock);
 	while (!list_empty(&fs_info->reclaim_bgs)) {
 		bg = list_first_entry(&fs_info->reclaim_bgs,
@@ -1539,7 +1547,7 @@ void btrfs_reclaim_bgs_work(struct work_struct *work)
 			goto next;
 
 		btrfs_info(fs_info, "reclaiming chunk %llu with %llu%% used",
-				bg->start, div_u64(bg->used * 100, bg->length));
+				bg->start, div64_u64(bg->used * 100, bg->length));
 		trace_btrfs_reclaim_block_group(bg);
 		ret = btrfs_relocate_chunk(fs_info, bg->start);
 		if (ret)
@@ -2192,6 +2200,13 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info)
 	return ret;
 }
 
+/*
+ * This function, insert_block_group_item(), belongs to the phase 2 of chunk
+ * allocation.
+ *
+ * See the comment at btrfs_chunk_alloc() for details about the chunk allocation
+ * phases.
+ */
 static int insert_block_group_item(struct btrfs_trans_handle *trans,
 				   struct btrfs_block_group *block_group)
 {
@@ -2214,15 +2229,19 @@ static int insert_block_group_item(struct btrfs_trans_handle *trans,
 	return btrfs_insert_item(trans, root, &key, &bgi, sizeof(bgi));
 }
 
+/*
+ * This function, btrfs_create_pending_block_groups(), belongs to the phase 2 of
+ * chunk allocation.
+ *
+ * See the comment at btrfs_chunk_alloc() for details about the chunk allocation
+ * phases.
+ */
 void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans)
 {
 	struct btrfs_fs_info *fs_info = trans->fs_info;
 	struct btrfs_block_group *block_group;
 	int ret = 0;
 
-	if (!trans->can_flush_pending_bgs)
-		return;
-
 	while (!list_empty(&trans->new_bgs)) {
 		int index;
 
@@ -2237,6 +2256,13 @@ void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans)
 		ret = insert_block_group_item(trans, block_group);
 		if (ret)
 			btrfs_abort_transaction(trans, ret);
+		if (!block_group->chunk_item_inserted) {
+			mutex_lock(&fs_info->chunk_mutex);
+			ret = btrfs_chunk_alloc_add_chunk_item(trans, block_group);
+			mutex_unlock(&fs_info->chunk_mutex);
+			if (ret)
+				btrfs_abort_transaction(trans, ret);
+		}
 		ret = btrfs_finish_chunk_alloc(trans, block_group->start,
 					block_group->length);
 		if (ret)
@@ -2260,8 +2286,9 @@ void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans)
 	btrfs_trans_release_chunk_metadata(trans);
 }
 
-int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used,
-			   u64 type, u64 chunk_offset, u64 size)
+struct btrfs_block_group *btrfs_make_block_group(struct btrfs_trans_handle *trans,
+						 u64 bytes_used, u64 type,
+						 u64 chunk_offset, u64 size)
 {
 	struct btrfs_fs_info *fs_info = trans->fs_info;
 	struct btrfs_block_group *cache;
@@ -2271,7 +2298,7 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used,
 
 	cache = btrfs_create_block_group_cache(fs_info, chunk_offset);
 	if (!cache)
-		return -ENOMEM;
+		return ERR_PTR(-ENOMEM);
 
 	cache->length = size;
 	set_free_space_tree_thresholds(cache);
@@ -2285,7 +2312,7 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used,
 	ret = btrfs_load_block_group_zone_info(cache, true);
 	if (ret) {
 		btrfs_put_block_group(cache);
-		return ret;
+		return ERR_PTR(ret);
 	}
 
 	ret = exclude_super_stripes(cache);
@@ -2293,7 +2320,7 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used,
 		/* We may have excluded something, so call this just in case */
 		btrfs_free_excluded_extents(cache);
 		btrfs_put_block_group(cache);
-		return ret;
+		return ERR_PTR(ret);
 	}
 
 	add_new_free_space(cache, chunk_offset, chunk_offset + size);
@@ -2320,7 +2347,7 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used,
 	if (ret) {
 		btrfs_remove_free_space_cache(cache);
 		btrfs_put_block_group(cache);
-		return ret;
+		return ERR_PTR(ret);
 	}
 
 	/*
@@ -2339,7 +2366,7 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used,
 	btrfs_update_delayed_refs_rsv(trans);
 
 	set_avail_alloc_bits(fs_info, type);
-	return 0;
+	return cache;
 }
 
 /*
@@ -3219,11 +3246,203 @@ int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans, u64 type)
 	return btrfs_chunk_alloc(trans, alloc_flags, CHUNK_ALLOC_FORCE);
 }
 
+static int do_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags)
+{
+	struct btrfs_block_group *bg;
+	int ret;
+
+	/*
+	 * Check if we have enough space in the system space info because we
+	 * will need to update device items in the chunk btree and insert a new
+	 * chunk item in the chunk btree as well. This will allocate a new
+	 * system block group if needed.
+	 */
+	check_system_chunk(trans, flags);
+
+	bg = btrfs_alloc_chunk(trans, flags);
+	if (IS_ERR(bg)) {
+		ret = PTR_ERR(bg);
+		goto out;
+	}
+
+	/*
+	 * If this is a system chunk allocation then stop right here and do not
+	 * add the chunk item to the chunk btree. This is to prevent a deadlock
+	 * because this system chunk allocation can be triggered while COWing
+	 * some extent buffer of the chunk btree and while holding a lock on a
+	 * parent extent buffer, in which case attempting to insert the chunk
+	 * item (or update the device item) would result in a deadlock on that
+	 * parent extent buffer. In this case defer the chunk btree updates to
+	 * the second phase of chunk allocation and keep our reservation until
+	 * the second phase completes.
+	 *
+	 * This is a rare case and can only be triggered by the very few cases
+	 * we have where we need to touch the chunk btree outside chunk allocation
+	 * and chunk removal. These cases are basically adding a device, removing
+	 * a device or resizing a device.
+	 */
+	if (flags & BTRFS_BLOCK_GROUP_SYSTEM)
+		return 0;
+
+	ret = btrfs_chunk_alloc_add_chunk_item(trans, bg);
+	/*
+	 * Normally we are not expected to fail with -ENOSPC here, since we have
+	 * previously reserved space in the system space_info and allocated one
+	 * new system chunk if necessary. However there are two exceptions:
+	 *
+	 * 1) We may have enough free space in the system space_info but all the
+	 *    existing system block groups have a profile which can not be used
+	 *    for extent allocation.
+	 *
+	 *    This happens when mounting in degraded mode. For example we have a
+	 *    RAID1 filesystem with 2 devices, lose one device and mount the fs
+	 *    using the other device in degraded mode. If we then allocate a chunk,
+	 *    we may have enough free space in the existing system space_info, but
+	 *    none of the block groups can be used for extent allocation since they
+	 *    have a RAID1 profile, and because we are in degraded mode with a
+	 *    single device, we are forced to allocate a new system chunk with a
+	 *    SINGLE profile. Making check_system_chunk() iterate over all system
+	 *    block groups and check if they have a usable profile and enough space
+	 *    can be slow on very large filesystems, so we tolerate the -ENOSPC and
+	 *    try again after forcing allocation of a new system chunk. Like this
+	 *    we avoid paying the cost of that search in normal circumstances, when
+	 *    we were not mounted in degraded mode;
+	 *
+	 * 2) We had enough free space info the system space_info, and one suitable
+	 *    block group to allocate from when we called check_system_chunk()
+	 *    above. However right after we called it, the only system block group
+	 *    with enough free space got turned into RO mode by a running scrub,
+	 *    and in this case we have to allocate a new one and retry. We only
+	 *    need do this allocate and retry once, since we have a transaction
+	 *    handle and scrub uses the commit root to search for block groups.
+	 */
+	if (ret == -ENOSPC) {
+		const u64 sys_flags = btrfs_system_alloc_profile(trans->fs_info);
+		struct btrfs_block_group *sys_bg;
+
+		sys_bg = btrfs_alloc_chunk(trans, sys_flags);
+		if (IS_ERR(sys_bg)) {
+			ret = PTR_ERR(sys_bg);
+			btrfs_abort_transaction(trans, ret);
+			goto out;
+		}
+
+		ret = btrfs_chunk_alloc_add_chunk_item(trans, sys_bg);
+		if (ret) {
+			btrfs_abort_transaction(trans, ret);
+			goto out;
+		}
+
+		ret = btrfs_chunk_alloc_add_chunk_item(trans, bg);
+		if (ret) {
+			btrfs_abort_transaction(trans, ret);
+			goto out;
+		}
+	} else if (ret) {
+		btrfs_abort_transaction(trans, ret);
+		goto out;
+	}
+out:
+	btrfs_trans_release_chunk_metadata(trans);
+
+	return ret;
+}
+
 /*
- * If force is CHUNK_ALLOC_FORCE:
+ * Chunk allocation is done in 2 phases:
+ *
+ * 1) Phase 1 - through btrfs_chunk_alloc() we allocate device extents for
+ *    the chunk, the chunk mapping, create its block group and add the items
+ *    that belong in the chunk btree to it - more specifically, we need to
+ *    update device items in the chunk btree and add a new chunk item to it.
+ *
+ * 2) Phase 2 - through btrfs_create_pending_block_groups(), we add the block
+ *    group item to the extent btree and the device extent items to the devices
+ *    btree.
+ *
+ * This is done to prevent deadlocks. For example when COWing a node from the
+ * extent btree we are holding a write lock on the node's parent and if we
+ * trigger chunk allocation and attempted to insert the new block group item
+ * in the extent btree right way, we could deadlock because the path for the
+ * insertion can include that parent node. At first glance it seems impossible
+ * to trigger chunk allocation after starting a transaction since tasks should
+ * reserve enough transaction units (metadata space), however while that is true
+ * most of the time, chunk allocation may still be triggered for several reasons:
+ *
+ * 1) When reserving metadata, we check if there is enough free space in the
+ *    metadata space_info and therefore don't trigger allocation of a new chunk.
+ *    However later when the task actually tries to COW an extent buffer from
+ *    the extent btree or from the device btree for example, it is forced to
+ *    allocate a new block group (chunk) because the only one that had enough
+ *    free space was just turned to RO mode by a running scrub for example (or
+ *    device replace, block group reclaim thread, etc), so we can not use it
+ *    for allocating an extent and end up being forced to allocate a new one;
+ *
+ * 2) Because we only check that the metadata space_info has enough free bytes,
+ *    we end up not allocating a new metadata chunk in that case. However if
+ *    the filesystem was mounted in degraded mode, none of the existing block
+ *    groups might be suitable for extent allocation due to their incompatible
+ *    profile (for e.g. mounting a 2 devices filesystem, where all block groups
+ *    use a RAID1 profile, in degraded mode using a single device). In this case
+ *    when the task attempts to COW some extent buffer of the extent btree for
+ *    example, it will trigger allocation of a new metadata block group with a
+ *    suitable profile (SINGLE profile in the example of the degraded mount of
+ *    the RAID1 filesystem);
+ *
+ * 3) The task has reserved enough transaction units / metadata space, but when
+ *    it attempts to COW an extent buffer from the extent or device btree for
+ *    example, it does not find any free extent in any metadata block group,
+ *    therefore forced to try to allocate a new metadata block group.
+ *    This is because some other task allocated all available extents in the
+ *    meanwhile - this typically happens with tasks that don't reserve space
+ *    properly, either intentionally or as a bug. One example where this is
+ *    done intentionally is fsync, as it does not reserve any transaction units
+ *    and ends up allocating a variable number of metadata extents for log
+ *    tree extent buffers.
+ *
+ * We also need this 2 phases setup when adding a device to a filesystem with
+ * a seed device - we must create new metadata and system chunks without adding
+ * any of the block group items to the chunk, extent and device btrees. If we
+ * did not do it this way, we would get ENOSPC when attempting to update those
+ * btrees, since all the chunks from the seed device are read-only.
+ *
+ * Phase 1 does the updates and insertions to the chunk btree because if we had
+ * it done in phase 2 and have a thundering herd of tasks allocating chunks in
+ * parallel, we risk having too many system chunks allocated by many tasks if
+ * many tasks reach phase 1 without the previous ones completing phase 2. In the
+ * extreme case this leads to exhaustion of the system chunk array in the
+ * superblock. This is easier to trigger if using a btree node/leaf size of 64K
+ * and with RAID filesystems (so we have more device items in the chunk btree).
+ * This has happened before and commit eafa4fd0ad0607 ("btrfs: fix exhaustion of
+ * the system chunk array due to concurrent allocations") provides more details.
+ *
+ * For allocation of system chunks, we defer the updates and insertions into the
+ * chunk btree to phase 2. This is to prevent deadlocks on extent buffers because
+ * if the chunk allocation is triggered while COWing an extent buffer of the
+ * chunk btree, we are holding a lock on the parent of that extent buffer and
+ * doing the chunk btree updates and insertions can require locking that parent.
+ * This is for the very few and rare cases where we update the chunk btree that
+ * are not chunk allocation or chunk removal: adding a device, removing a device
+ * or resizing a device.
+ *
+ * The reservation of system space, done through check_system_chunk(), as well
+ * as all the updates and insertions into the chunk btree must be done while
+ * holding fs_info->chunk_mutex. This is important to guarantee that while COWing
+ * an extent buffer from the chunks btree we never trigger allocation of a new
+ * system chunk, which would result in a deadlock (trying to lock twice an
+ * extent buffer of the chunk btree, first time before triggering the chunk
+ * allocation and the second time during chunk allocation while attempting to
+ * update the chunks btree). The system chunk array is also updated while holding
+ * that mutex. The same logic applies to removing chunks - we must reserve system
+ * space, update the chunk btree and the system chunk array in the superblock
+ * while holding fs_info->chunk_mutex.
+ *
+ * This function, btrfs_chunk_alloc(), belongs to phase 1.
+ *
+ * If @force is CHUNK_ALLOC_FORCE:
  *    - return 1 if it successfully allocates a chunk,
  *    - return errors including -ENOSPC otherwise.
- * If force is NOT CHUNK_ALLOC_FORCE:
+ * If @force is NOT CHUNK_ALLOC_FORCE:
  *    - return 0 if it doesn't need to allocate a new chunk,
  *    - return 1 if it successfully allocates a chunk,
  *    - return errors including -ENOSPC otherwise.
@@ -3240,6 +3459,13 @@ int btrfs_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags,
 	/* Don't re-enter if we're already allocating a chunk */
 	if (trans->allocating_chunk)
 		return -ENOSPC;
+	/*
+	 * If we are removing a chunk, don't re-enter or we would deadlock.
+	 * System space reservation and system chunk allocation is done by the
+	 * chunk remove operation (btrfs_remove_chunk()).
+	 */
+	if (trans->removing_chunk)
+		return -ENOSPC;
 
 	space_info = btrfs_find_space_info(fs_info, flags);
 	ASSERT(space_info);
@@ -3303,13 +3529,7 @@ int btrfs_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags,
 			force_metadata_allocation(fs_info);
 	}
 
-	/*
-	 * Check if we have enough space in SYSTEM chunk because we may need
-	 * to update devices.
-	 */
-	check_system_chunk(trans, flags);
-
-	ret = btrfs_alloc_chunk(trans, flags);
+	ret = do_chunk_alloc(trans, flags);
 	trans->allocating_chunk = false;
 
 	spin_lock(&space_info->lock);
@@ -3328,22 +3548,6 @@ int btrfs_chunk_alloc(struct btrfs_trans_handle *trans, u64 flags,
 	space_info->chunk_alloc = 0;
 	spin_unlock(&space_info->lock);
 	mutex_unlock(&fs_info->chunk_mutex);
-	/*
-	 * When we allocate a new chunk we reserve space in the chunk block
-	 * reserve to make sure we can COW nodes/leafs in the chunk tree or
-	 * add new nodes/leafs to it if we end up needing to do it when
-	 * inserting the chunk item and updating device items as part of the
-	 * second phase of chunk allocation, performed by
-	 * btrfs_finish_chunk_alloc(). So make sure we don't accumulate a
-	 * large number of new block groups to create in our transaction
-	 * handle's new_bgs list to avoid exhausting the chunk block reserve
-	 * in extreme cases - like having a single transaction create many new
-	 * block groups when starting to write out the free space caches of all
-	 * the block groups that were made dirty during the lifetime of the
-	 * transaction.
-	 */
-	if (trans->chunk_bytes_reserved >= (u64)SZ_2M)
-		btrfs_create_pending_block_groups(trans);
 
 	return ret;
 }
@@ -3364,7 +3568,6 @@ static u64 get_profile_num_devs(struct btrfs_fs_info *fs_info, u64 type)
  */
 void check_system_chunk(struct btrfs_trans_handle *trans, u64 type)
 {
-	struct btrfs_transaction *cur_trans = trans->transaction;
 	struct btrfs_fs_info *fs_info = trans->fs_info;
 	struct btrfs_space_info *info;
 	u64 left;
@@ -3379,7 +3582,6 @@ void check_system_chunk(struct btrfs_trans_handle *trans, u64 type)
 	lockdep_assert_held(&fs_info->chunk_mutex);
 
 	info = btrfs_find_space_info(fs_info, BTRFS_BLOCK_GROUP_SYSTEM);
-again:
 	spin_lock(&info->lock);
 	left = info->total_bytes - btrfs_space_info_used(info, true);
 	spin_unlock(&info->lock);
@@ -3398,76 +3600,39 @@ void check_system_chunk(struct btrfs_trans_handle *trans, u64 type)
 
 	if (left < thresh) {
 		u64 flags = btrfs_system_alloc_profile(fs_info);
-		u64 reserved = atomic64_read(&cur_trans->chunk_bytes_reserved);
-
-		/*
-		 * If there's not available space for the chunk tree (system
-		 * space) and there are other tasks that reserved space for
-		 * creating a new system block group, wait for them to complete
-		 * the creation of their system block group and release excess
-		 * reserved space. We do this because:
-		 *
-		 * *) We can end up allocating more system chunks than necessary
-		 *    when there are multiple tasks that are concurrently
-		 *    allocating block groups, which can lead to exhaustion of
-		 *    the system array in the superblock;
-		 *
-		 * *) If we allocate extra and unnecessary system block groups,
-		 *    despite being empty for a long time, and possibly forever,
-		 *    they end not being added to the list of unused block groups
-		 *    because that typically happens only when deallocating the
-		 *    last extent from a block group - which never happens since
-		 *    we never allocate from them in the first place. The few
-		 *    exceptions are when mounting a filesystem or running scrub,
-		 *    which add unused block groups to the list of unused block
-		 *    groups, to be deleted by the cleaner kthread.
-		 *    And even when they are added to the list of unused block
-		 *    groups, it can take a long time until they get deleted,
-		 *    since the cleaner kthread might be sleeping or busy with
-		 *    other work (deleting subvolumes, running delayed iputs,
-		 *    defrag scheduling, etc);
-		 *
-		 * This is rare in practice, but can happen when too many tasks
-		 * are allocating blocks groups in parallel (via fallocate())
-		 * and before the one that reserved space for a new system block
-		 * group finishes the block group creation and releases the space
-		 * reserved in excess (at btrfs_create_pending_block_groups()),
-		 * other tasks end up here and see free system space temporarily
-		 * not enough for updating the chunk tree.
-		 *
-		 * We unlock the chunk mutex before waiting for such tasks and
-		 * lock it again after the wait, otherwise we would deadlock.
-		 * It is safe to do so because allocating a system chunk is the
-		 * first thing done while allocating a new block group.
-		 */
-		if (reserved > trans->chunk_bytes_reserved) {
-			const u64 min_needed = reserved - thresh;
-
-			mutex_unlock(&fs_info->chunk_mutex);
-			wait_event(cur_trans->chunk_reserve_wait,
-			   atomic64_read(&cur_trans->chunk_bytes_reserved) <=
-			   min_needed);
-			mutex_lock(&fs_info->chunk_mutex);
-			goto again;
-		}
+		struct btrfs_block_group *bg;
 
 		/*
 		 * Ignore failure to create system chunk. We might end up not
 		 * needing it, as we might not need to COW all nodes/leafs from
 		 * the paths we visit in the chunk tree (they were already COWed
 		 * or created in the current transaction for example).
+		 *
+		 * Also, if our caller is allocating a system chunk, do not
+		 * attempt to insert the chunk item in the chunk btree, as we
+		 * could deadlock on an extent buffer since our caller may be
+		 * COWing an extent buffer from the chunk btree.
 		 */
-		ret = btrfs_alloc_chunk(trans, flags);
+		bg = btrfs_alloc_chunk(trans, flags);
+		if (IS_ERR(bg)) {
+			ret = PTR_ERR(bg);
+		} else if (!(type & BTRFS_BLOCK_GROUP_SYSTEM)) {
+			/*
+			 * If we fail to add the chunk item here, we end up
+			 * trying again at phase 2 of chunk allocation, at
+			 * btrfs_create_pending_block_groups(). So ignore
+			 * any error here.
+			 */
+			btrfs_chunk_alloc_add_chunk_item(trans, bg);
+		}
 	}
 
 	if (!ret) {
 		ret = btrfs_block_rsv_add(fs_info->chunk_root,
 					  &fs_info->chunk_block_rsv,
 					  thresh, BTRFS_RESERVE_NO_FLUSH);
-		if (!ret) {
-			atomic64_add(thresh, &cur_trans->chunk_bytes_reserved);
+		if (!ret)
 			trans->chunk_bytes_reserved += thresh;
-		}
 	}
 }
 
diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h
index 7b927425dc71..c72a71efcb18 100644
--- a/fs/btrfs/block-group.h
+++ b/fs/btrfs/block-group.h
@@ -97,6 +97,7 @@ struct btrfs_block_group {
 	unsigned int removed:1;
 	unsigned int to_copy:1;
 	unsigned int relocating_repair:1;
+	unsigned int chunk_item_inserted:1;
 
 	int disk_cache_state;
 
@@ -268,8 +269,9 @@ void btrfs_reclaim_bgs_work(struct work_struct *work);
 void btrfs_reclaim_bgs(struct btrfs_fs_info *fs_info);
 void btrfs_mark_bg_to_reclaim(struct btrfs_block_group *bg);
 int btrfs_read_block_groups(struct btrfs_fs_info *info);
-int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used,
-			   u64 type, u64 chunk_offset, u64 size);
+struct btrfs_block_group *btrfs_make_block_group(struct btrfs_trans_handle *trans,
+						 u64 bytes_used, u64 type,
+						 u64 chunk_offset, u64 size);
 void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans);
 int btrfs_inc_block_group_ro(struct btrfs_block_group *cache,
 			     bool do_chunk_alloc);
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 4bc3ca2cbd7d..c5c08c87e130 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -364,49 +364,6 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans,
 	return 0;
 }
 
-static struct extent_buffer *alloc_tree_block_no_bg_flush(
-					  struct btrfs_trans_handle *trans,
-					  struct btrfs_root *root,
-					  u64 parent_start,
-					  const struct btrfs_disk_key *disk_key,
-					  int level,
-					  u64 hint,
-					  u64 empty_size,
-					  enum btrfs_lock_nesting nest)
-{
-	struct btrfs_fs_info *fs_info = root->fs_info;
-	struct extent_buffer *ret;
-
-	/*
-	 * If we are COWing a node/leaf from the extent, chunk, device or free
-	 * space trees, make sure that we do not finish block group creation of
-	 * pending block groups. We do this to avoid a deadlock.
-	 * COWing can result in allocation of a new chunk, and flushing pending
-	 * block groups (btrfs_create_pending_block_groups()) can be triggered
-	 * when finishing allocation of a new chunk. Creation of a pending block
-	 * group modifies the extent, chunk, device and free space trees,
-	 * therefore we could deadlock with ourselves since we are holding a
-	 * lock on an extent buffer that btrfs_create_pending_block_groups() may
-	 * try to COW later.
-	 * For similar reasons, we also need to delay flushing pending block
-	 * groups when splitting a leaf or node, from one of those trees, since
-	 * we are holding a write lock on it and its parent or when inserting a
-	 * new root node for one of those trees.
-	 */
-	if (root == fs_info->extent_root ||
-	    root == fs_info->chunk_root ||
-	    root == fs_info->dev_root ||
-	    root == fs_info->free_space_root)
-		trans->can_flush_pending_bgs = false;
-
-	ret = btrfs_alloc_tree_block(trans, root, parent_start,
-				     root->root_key.objectid, disk_key, level,
-				     hint, empty_size, nest);
-	trans->can_flush_pending_bgs = true;
-
-	return ret;
-}
-
 /*
  * does the dirty work in cow of a single block.  The parent block (if
  * supplied) is updated to point to the new cow copy.  The new buffer is marked
@@ -455,8 +412,9 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
 	if ((root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) && parent)
 		parent_start = parent->start;
 
-	cow = alloc_tree_block_no_bg_flush(trans, root, parent_start, &disk_key,
-					   level, search_start, empty_size, nest);
+	cow = btrfs_alloc_tree_block(trans, root, parent_start,
+				     root->root_key.objectid, &disk_key, level,
+				     search_start, empty_size, nest);
 	if (IS_ERR(cow))
 		return PTR_ERR(cow);
 
@@ -2458,9 +2416,9 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans,
 	else
 		btrfs_node_key(lower, &lower_key, 0);
 
-	c = alloc_tree_block_no_bg_flush(trans, root, 0, &lower_key, level,
-					 root->node->start, 0,
-					 BTRFS_NESTING_NEW_ROOT);
+	c = btrfs_alloc_tree_block(trans, root, 0, root->root_key.objectid,
+				   &lower_key, level, root->node->start, 0,
+				   BTRFS_NESTING_NEW_ROOT);
 	if (IS_ERR(c))
 		return PTR_ERR(c);
 
@@ -2589,8 +2547,9 @@ static noinline int split_node(struct btrfs_trans_handle *trans,
 	mid = (c_nritems + 1) / 2;
 	btrfs_node_key(c, &disk_key, mid);
 
-	split = alloc_tree_block_no_bg_flush(trans, root, 0, &disk_key, level,
-					     c->start, 0, BTRFS_NESTING_SPLIT);
+	split = btrfs_alloc_tree_block(trans, root, 0, root->root_key.objectid,
+				       &disk_key, level, c->start, 0,
+				       BTRFS_NESTING_SPLIT);
 	if (IS_ERR(split))
 		return PTR_ERR(split);
 
@@ -3381,10 +3340,10 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans,
 	 * BTRFS_NESTING_SPLIT_THE_SPLITTENING if we need to, but for now just
 	 * use BTRFS_NESTING_NEW_ROOT.
 	 */
-	right = alloc_tree_block_no_bg_flush(trans, root, 0, &disk_key, 0,
-					     l->start, 0, num_doubles ?
-					     BTRFS_NESTING_NEW_ROOT :
-					     BTRFS_NESTING_SPLIT);
+	right = btrfs_alloc_tree_block(trans, root, 0, root->root_key.objectid,
+				       &disk_key, 0, l->start, 0,
+				       num_doubles ? BTRFS_NESTING_NEW_ROOT :
+				       BTRFS_NESTING_SPLIT);
 	if (IS_ERR(right))
 		return PTR_ERR(right);
 
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 9229549697ce..272eff4441bc 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2260,13 +2260,127 @@ bool btrfs_bio_fits_in_ordered_extent(struct page *page, struct bio *bio,
 	return ret;
 }
 
+/*
+ * Split an extent_map at [start, start + len]
+ *
+ * This function is intended to be used only for extract_ordered_extent().
+ */
+static int split_zoned_em(struct btrfs_inode *inode, u64 start, u64 len,
+			  u64 pre, u64 post)
+{
+	struct extent_map_tree *em_tree = &inode->extent_tree;
+	struct extent_map *em;
+	struct extent_map *split_pre = NULL;
+	struct extent_map *split_mid = NULL;
+	struct extent_map *split_post = NULL;
+	int ret = 0;
+	int modified;
+	unsigned long flags;
+
+	/* Sanity check */
+	if (pre == 0 && post == 0)
+		return 0;
+
+	split_pre = alloc_extent_map();
+	if (pre)
+		split_mid = alloc_extent_map();
+	if (post)
+		split_post = alloc_extent_map();
+	if (!split_pre || (pre && !split_mid) || (post && !split_post)) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	ASSERT(pre + post < len);
+
+	lock_extent(&inode->io_tree, start, start + len - 1);
+	write_lock(&em_tree->lock);
+	em = lookup_extent_mapping(em_tree, start, len);
+	if (!em) {
+		ret = -EIO;
+		goto out_unlock;
+	}
+
+	ASSERT(em->len == len);
+	ASSERT(!test_bit(EXTENT_FLAG_COMPRESSED, &em->flags));
+	ASSERT(em->block_start < EXTENT_MAP_LAST_BYTE);
+
+	flags = em->flags;
+	clear_bit(EXTENT_FLAG_PINNED, &em->flags);
+	clear_bit(EXTENT_FLAG_LOGGING, &flags);
+	modified = !list_empty(&em->list);
+
+	/* First, replace the em with a new extent_map starting from * em->start */
+	split_pre->start = em->start;
+	split_pre->len = (pre ? pre : em->len - post);
+	split_pre->orig_start = split_pre->start;
+	split_pre->block_start = em->block_start;
+	split_pre->block_len = split_pre->len;
+	split_pre->orig_block_len = split_pre->block_len;
+	split_pre->ram_bytes = split_pre->len;
+	split_pre->flags = flags;
+	split_pre->compress_type = em->compress_type;
+	split_pre->generation = em->generation;
+
+	replace_extent_mapping(em_tree, em, split_pre, modified);
+
+	/*
+	 * Now we only have an extent_map at:
+	 *     [em->start, em->start + pre] if pre != 0
+	 *     [em->start, em->start + em->len - post] if pre == 0
+	 */
+
+	if (pre) {
+		/* Insert the middle extent_map */
+		split_mid->start = em->start + pre;
+		split_mid->len = em->len - pre - post;
+		split_mid->orig_start = split_mid->start;
+		split_mid->block_start = em->block_start + pre;
+		split_mid->block_len = split_mid->len;
+		split_mid->orig_block_len = split_mid->block_len;
+		split_mid->ram_bytes = split_mid->len;
+		split_mid->flags = flags;
+		split_mid->compress_type = em->compress_type;
+		split_mid->generation = em->generation;
+		add_extent_mapping(em_tree, split_mid, modified);
+	}
+
+	if (post) {
+		split_post->start = em->start + em->len - post;
+		split_post->len = post;
+		split_post->orig_start = split_post->start;
+		split_post->block_start = em->block_start + em->len - post;
+		split_post->block_len = split_post->len;
+		split_post->orig_block_len = split_post->block_len;
+		split_post->ram_bytes = split_post->len;
+		split_post->flags = flags;
+		split_post->compress_type = em->compress_type;
+		split_post->generation = em->generation;
+		add_extent_mapping(em_tree, split_post, modified);
+	}
+
+	/* Once for us */
+	free_extent_map(em);
+	/* Once for the tree */
+	free_extent_map(em);
+
+out_unlock:
+	write_unlock(&em_tree->lock);
+	unlock_extent(&inode->io_tree, start, start + len - 1);
+out:
+	free_extent_map(split_pre);
+	free_extent_map(split_mid);
+	free_extent_map(split_post);
+
+	return ret;
+}
+
 static blk_status_t extract_ordered_extent(struct btrfs_inode *inode,
 					   struct bio *bio, loff_t file_offset)
 {
 	struct btrfs_ordered_extent *ordered;
-	struct extent_map *em = NULL, *em_new = NULL;
-	struct extent_map_tree *em_tree = &inode->extent_tree;
 	u64 start = (u64)bio->bi_iter.bi_sector << SECTOR_SHIFT;
+	u64 file_len;
 	u64 len = bio->bi_iter.bi_size;
 	u64 end = start + len;
 	u64 ordered_end;
@@ -2306,41 +2420,16 @@ static blk_status_t extract_ordered_extent(struct btrfs_inode *inode,
 		goto out;
 	}
 
+	file_len = ordered->num_bytes;
 	pre = start - ordered->disk_bytenr;
 	post = ordered_end - end;
 
 	ret = btrfs_split_ordered_extent(ordered, pre, post);
 	if (ret)
 		goto out;
-
-	read_lock(&em_tree->lock);
-	em = lookup_extent_mapping(em_tree, ordered->file_offset, len);
-	if (!em) {
-		read_unlock(&em_tree->lock);
-		ret = -EIO;
-		goto out;
-	}
-	read_unlock(&em_tree->lock);
-
-	ASSERT(!test_bit(EXTENT_FLAG_COMPRESSED, &em->flags));
-	/*
-	 * We cannot reuse em_new here but have to create a new one, as
-	 * unpin_extent_cache() expects the start of the extent map to be the
-	 * logical offset of the file, which does not hold true anymore after
-	 * splitting.
-	 */
-	em_new = create_io_em(inode, em->start + pre, len,
-			      em->start + pre, em->block_start + pre, len,
-			      len, len, BTRFS_COMPRESS_NONE,
-			      BTRFS_ORDERED_REGULAR);
-	if (IS_ERR(em_new)) {
-		ret = PTR_ERR(em_new);
-		goto out;
-	}
-	free_extent_map(em_new);
+	ret = split_zoned_em(inode, file_offset, file_len, pre, post);
 
 out:
-	free_extent_map(em);
 	btrfs_put_ordered_extent(ordered);
 
 	return errno_to_blk_status(ret);
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 37450c7644ca..d73b1afdc416 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -254,23 +254,21 @@ static inline int extwriter_counter_read(struct btrfs_transaction *trans)
 }
 
 /*
- * To be called after all the new block groups attached to the transaction
- * handle have been created (btrfs_create_pending_block_groups()).
+ * To be called after doing the chunk btree updates right after allocating a new
+ * chunk (after btrfs_chunk_alloc_add_chunk_item() is called), when removing a
+ * chunk after all chunk btree updates and after finishing the second phase of
+ * chunk allocation (btrfs_create_pending_block_groups()) in case some block
+ * group had its chunk item insertion delayed to the second phase.
  */
 void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans)
 {
 	struct btrfs_fs_info *fs_info = trans->fs_info;
-	struct btrfs_transaction *cur_trans = trans->transaction;
 
 	if (!trans->chunk_bytes_reserved)
 		return;
 
-	WARN_ON_ONCE(!list_empty(&trans->new_bgs));
-
 	btrfs_block_rsv_release(fs_info, &fs_info->chunk_block_rsv,
 				trans->chunk_bytes_reserved, NULL);
-	atomic64_sub(trans->chunk_bytes_reserved, &cur_trans->chunk_bytes_reserved);
-	cond_wake_up(&cur_trans->chunk_reserve_wait);
 	trans->chunk_bytes_reserved = 0;
 }
 
@@ -386,8 +384,6 @@ static noinline int join_transaction(struct btrfs_fs_info *fs_info,
 	spin_lock_init(&cur_trans->dropped_roots_lock);
 	INIT_LIST_HEAD(&cur_trans->releasing_ebs);
 	spin_lock_init(&cur_trans->releasing_ebs_lock);
-	atomic64_set(&cur_trans->chunk_bytes_reserved, 0);
-	init_waitqueue_head(&cur_trans->chunk_reserve_wait);
 	list_add_tail(&cur_trans->list, &fs_info->trans_list);
 	extent_io_tree_init(fs_info, &cur_trans->dirty_pages,
 			IO_TREE_TRANS_DIRTY_PAGES, fs_info->btree_inode);
@@ -704,7 +700,6 @@ start_transaction(struct btrfs_root *root, unsigned int num_items,
 	h->fs_info = root->fs_info;
 
 	h->type = type;
-	h->can_flush_pending_bgs = true;
 	INIT_LIST_HEAD(&h->new_bgs);
 
 	smp_mb();
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index c49e2266b28b..21b36f6e9322 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -96,13 +96,6 @@ struct btrfs_transaction {
 
 	spinlock_t releasing_ebs_lock;
 	struct list_head releasing_ebs;
-
-	/*
-	 * The number of bytes currently reserved, by all transaction handles
-	 * attached to this transaction, for metadata extents of the chunk tree.
-	 */
-	atomic64_t chunk_bytes_reserved;
-	wait_queue_head_t chunk_reserve_wait;
 };
 
 #define __TRANS_FREEZABLE	(1U << 0)
@@ -141,7 +134,7 @@ struct btrfs_trans_handle {
 	short aborted;
 	bool adding_csums;
 	bool allocating_chunk;
-	bool can_flush_pending_bgs;
+	bool removing_chunk;
 	bool reloc_reserved;
 	bool in_fsync;
 	struct btrfs_root *root;
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 760d950752f5..b5ed0a699ee5 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3173,7 +3173,7 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
 		if (!log_root_tree->node) {
 			ret = btrfs_alloc_log_tree_node(trans, log_root_tree);
 			if (ret) {
-				mutex_unlock(&fs_info->tree_log_mutex);
+				mutex_unlock(&fs_info->tree_root->log_mutex);
 				goto out;
 			}
 		}
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 47d27059d064..38633ab8108b 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1745,19 +1745,14 @@ static int btrfs_free_dev_extent(struct btrfs_trans_handle *trans,
 		extent = btrfs_item_ptr(leaf, path->slots[0],
 					struct btrfs_dev_extent);
 	} else {
-		btrfs_handle_fs_error(fs_info, ret, "Slot search failed");
 		goto out;
 	}
 
 	*dev_extent_len = btrfs_dev_extent_length(leaf, extent);
 
 	ret = btrfs_del_item(trans, root, path);
-	if (ret) {
-		btrfs_handle_fs_error(fs_info, ret,
-				      "Failed to remove dev extent item");
-	} else {
+	if (ret == 0)
 		set_bit(BTRFS_TRANS_HAVE_FREE_BGS, &trans->transaction->flags);
-	}
 out:
 	btrfs_free_path(path);
 	return ret;
@@ -2942,7 +2937,7 @@ static int btrfs_del_sys_chunk(struct btrfs_fs_info *fs_info, u64 chunk_offset)
 	u32 cur;
 	struct btrfs_key key;
 
-	mutex_lock(&fs_info->chunk_mutex);
+	lockdep_assert_held(&fs_info->chunk_mutex);
 	array_size = btrfs_super_sys_array_size(super_copy);
 
 	ptr = super_copy->sys_chunk_array;
@@ -2972,7 +2967,6 @@ static int btrfs_del_sys_chunk(struct btrfs_fs_info *fs_info, u64 chunk_offset)
 			cur += len;
 		}
 	}
-	mutex_unlock(&fs_info->chunk_mutex);
 	return ret;
 }
 
@@ -3012,6 +3006,29 @@ struct extent_map *btrfs_get_chunk_map(struct btrfs_fs_info *fs_info,
 	return em;
 }
 
+static int remove_chunk_item(struct btrfs_trans_handle *trans,
+			     struct map_lookup *map, u64 chunk_offset)
+{
+	int i;
+
+	/*
+	 * Removing chunk items and updating the device items in the chunks btree
+	 * requires holding the chunk_mutex.
+	 * See the comment at btrfs_chunk_alloc() for the details.
+	 */
+	lockdep_assert_held(&trans->fs_info->chunk_mutex);
+
+	for (i = 0; i < map->num_stripes; i++) {
+		int ret;
+
+		ret = btrfs_update_device(trans, map->stripes[i].dev);
+		if (ret)
+			return ret;
+	}
+
+	return btrfs_free_chunk(trans, chunk_offset);
+}
+
 int btrfs_remove_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset)
 {
 	struct btrfs_fs_info *fs_info = trans->fs_info;
@@ -3032,14 +3049,16 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset)
 		return PTR_ERR(em);
 	}
 	map = em->map_lookup;
-	mutex_lock(&fs_info->chunk_mutex);
-	check_system_chunk(trans, map->type);
-	mutex_unlock(&fs_info->chunk_mutex);
 
 	/*
-	 * Take the device list mutex to prevent races with the final phase of
-	 * a device replace operation that replaces the device object associated
-	 * with map stripes (dev-replace.c:btrfs_dev_replace_finishing()).
+	 * First delete the device extent items from the devices btree.
+	 * We take the device_list_mutex to avoid racing with the finishing phase
+	 * of a device replace operation. See the comment below before acquiring
+	 * fs_info->chunk_mutex. Note that here we do not acquire the chunk_mutex
+	 * because that can result in a deadlock when deleting the device extent
+	 * items from the devices btree - COWing an extent buffer from the btree
+	 * may result in allocating a new metadata chunk, which would attempt to
+	 * lock again fs_info->chunk_mutex.
 	 */
 	mutex_lock(&fs_devices->device_list_mutex);
 	for (i = 0; i < map->num_stripes; i++) {
@@ -3061,18 +3080,73 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset)
 			btrfs_clear_space_info_full(fs_info);
 			mutex_unlock(&fs_info->chunk_mutex);
 		}
+	}
+	mutex_unlock(&fs_devices->device_list_mutex);
 
-		ret = btrfs_update_device(trans, device);
+	/*
+	 * We acquire fs_info->chunk_mutex for 2 reasons:
+	 *
+	 * 1) Just like with the first phase of the chunk allocation, we must
+	 *    reserve system space, do all chunk btree updates and deletions, and
+	 *    update the system chunk array in the superblock while holding this
+	 *    mutex. This is for similar reasons as explained on the comment at
+	 *    the top of btrfs_chunk_alloc();
+	 *
+	 * 2) Prevent races with the final phase of a device replace operation
+	 *    that replaces the device object associated with the map's stripes,
+	 *    because the device object's id can change at any time during that
+	 *    final phase of the device replace operation
+	 *    (dev-replace.c:btrfs_dev_replace_finishing()), so we could grab the
+	 *    replaced device and then see it with an ID of
+	 *    BTRFS_DEV_REPLACE_DEVID, which would cause a failure when updating
+	 *    the device item, which does not exists on the chunk btree.
+	 *    The finishing phase of device replace acquires both the
+	 *    device_list_mutex and the chunk_mutex, in that order, so we are
+	 *    safe by just acquiring the chunk_mutex.
+	 */
+	trans->removing_chunk = true;
+	mutex_lock(&fs_info->chunk_mutex);
+
+	check_system_chunk(trans, map->type);
+
+	ret = remove_chunk_item(trans, map, chunk_offset);
+	/*
+	 * Normally we should not get -ENOSPC since we reserved space before
+	 * through the call to check_system_chunk().
+	 *
+	 * Despite our system space_info having enough free space, we may not
+	 * be able to allocate extents from its block groups, because all have
+	 * an incompatible profile, which will force us to allocate a new system
+	 * block group with the right profile, or right after we called
+	 * check_system_space() above, a scrub turned the only system block group
+	 * with enough free space into RO mode.
+	 * This is explained with more detail at do_chunk_alloc().
+	 *
+	 * So if we get -ENOSPC, allocate a new system chunk and retry once.
+	 */
+	if (ret == -ENOSPC) {
+		const u64 sys_flags = btrfs_system_alloc_profile(fs_info);
+		struct btrfs_block_group *sys_bg;
+
+		sys_bg = btrfs_alloc_chunk(trans, sys_flags);
+		if (IS_ERR(sys_bg)) {
+			ret = PTR_ERR(sys_bg);
+			btrfs_abort_transaction(trans, ret);
+			goto out;
+		}
+
+		ret = btrfs_chunk_alloc_add_chunk_item(trans, sys_bg);
 		if (ret) {
-			mutex_unlock(&fs_devices->device_list_mutex);
 			btrfs_abort_transaction(trans, ret);
 			goto out;
 		}
-	}
-	mutex_unlock(&fs_devices->device_list_mutex);
 
-	ret = btrfs_free_chunk(trans, chunk_offset);
-	if (ret) {
+		ret = remove_chunk_item(trans, map, chunk_offset);
+		if (ret) {
+			btrfs_abort_transaction(trans, ret);
+			goto out;
+		}
+	} else if (ret) {
 		btrfs_abort_transaction(trans, ret);
 		goto out;
 	}
@@ -3087,6 +3161,15 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset)
 		}
 	}
 
+	mutex_unlock(&fs_info->chunk_mutex);
+	trans->removing_chunk = false;
+
+	/*
+	 * We are done with chunk btree updates and deletions, so release the
+	 * system space we previously reserved (with check_system_chunk()).
+	 */
+	btrfs_trans_release_chunk_metadata(trans);
+
 	ret = btrfs_remove_block_group(trans, chunk_offset, em);
 	if (ret) {
 		btrfs_abort_transaction(trans, ret);
@@ -3094,6 +3177,10 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset)
 	}
 
 out:
+	if (trans->removing_chunk) {
+		mutex_unlock(&fs_info->chunk_mutex);
+		trans->removing_chunk = false;
+	}
 	/* once for us */
 	free_extent_map(em);
 	return ret;
@@ -4868,13 +4955,12 @@ static int btrfs_add_system_chunk(struct btrfs_fs_info *fs_info,
 	u32 array_size;
 	u8 *ptr;
 
-	mutex_lock(&fs_info->chunk_mutex);
+	lockdep_assert_held(&fs_info->chunk_mutex);
+
 	array_size = btrfs_super_sys_array_size(super_copy);
 	if (array_size + item_size + sizeof(disk_key)
-			> BTRFS_SYSTEM_CHUNK_ARRAY_SIZE) {
-		mutex_unlock(&fs_info->chunk_mutex);
+			> BTRFS_SYSTEM_CHUNK_ARRAY_SIZE)
 		return -EFBIG;
-	}
 
 	ptr = super_copy->sys_chunk_array + array_size;
 	btrfs_cpu_key_to_disk(&disk_key, key);
@@ -4883,7 +4969,6 @@ static int btrfs_add_system_chunk(struct btrfs_fs_info *fs_info,
 	memcpy(ptr, chunk, item_size);
 	item_size += sizeof(disk_key);
 	btrfs_set_super_sys_array_size(super_copy, array_size + item_size);
-	mutex_unlock(&fs_info->chunk_mutex);
 
 	return 0;
 }
@@ -5233,13 +5318,14 @@ static int decide_stripe_size(struct btrfs_fs_devices *fs_devices,
 	}
 }
 
-static int create_chunk(struct btrfs_trans_handle *trans,
+static struct btrfs_block_group *create_chunk(struct btrfs_trans_handle *trans,
 			struct alloc_chunk_ctl *ctl,
 			struct btrfs_device_info *devices_info)
 {
 	struct btrfs_fs_info *info = trans->fs_info;
 	struct map_lookup *map = NULL;
 	struct extent_map_tree *em_tree;
+	struct btrfs_block_group *block_group;
 	struct extent_map *em;
 	u64 start = ctl->start;
 	u64 type = ctl->type;
@@ -5249,7 +5335,7 @@ static int create_chunk(struct btrfs_trans_handle *trans,
 
 	map = kmalloc(map_lookup_size(ctl->num_stripes), GFP_NOFS);
 	if (!map)
-		return -ENOMEM;
+		return ERR_PTR(-ENOMEM);
 	map->num_stripes = ctl->num_stripes;
 
 	for (i = 0; i < ctl->ndevs; ++i) {
@@ -5271,7 +5357,7 @@ static int create_chunk(struct btrfs_trans_handle *trans,
 	em = alloc_extent_map();
 	if (!em) {
 		kfree(map);
-		return -ENOMEM;
+		return ERR_PTR(-ENOMEM);
 	}
 	set_bit(EXTENT_FLAG_FS_MAPPING, &em->flags);
 	em->map_lookup = map;
@@ -5287,12 +5373,12 @@ static int create_chunk(struct btrfs_trans_handle *trans,
 	if (ret) {
 		write_unlock(&em_tree->lock);
 		free_extent_map(em);
-		return ret;
+		return ERR_PTR(ret);
 	}
 	write_unlock(&em_tree->lock);
 
-	ret = btrfs_make_block_group(trans, 0, type, start, ctl->chunk_size);
-	if (ret)
+	block_group = btrfs_make_block_group(trans, 0, type, start, ctl->chunk_size);
+	if (IS_ERR(block_group))
 		goto error_del_extent;
 
 	for (i = 0; i < map->num_stripes; i++) {
@@ -5312,7 +5398,7 @@ static int create_chunk(struct btrfs_trans_handle *trans,
 	check_raid56_incompat_flag(info, type);
 	check_raid1c34_incompat_flag(info, type);
 
-	return 0;
+	return block_group;
 
 error_del_extent:
 	write_lock(&em_tree->lock);
@@ -5324,34 +5410,36 @@ static int create_chunk(struct btrfs_trans_handle *trans,
 	/* One for the tree reference */
 	free_extent_map(em);
 
-	return ret;
+	return block_group;
 }
 
-int btrfs_alloc_chunk(struct btrfs_trans_handle *trans, u64 type)
+struct btrfs_block_group *btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
+					    u64 type)
 {
 	struct btrfs_fs_info *info = trans->fs_info;
 	struct btrfs_fs_devices *fs_devices = info->fs_devices;
 	struct btrfs_device_info *devices_info = NULL;
 	struct alloc_chunk_ctl ctl;
+	struct btrfs_block_group *block_group;
 	int ret;
 
 	lockdep_assert_held(&info->chunk_mutex);
 
 	if (!alloc_profile_is_valid(type, 0)) {
 		ASSERT(0);
-		return -EINVAL;
+		return ERR_PTR(-EINVAL);
 	}
 
 	if (list_empty(&fs_devices->alloc_list)) {
 		if (btrfs_test_opt(info, ENOSPC_DEBUG))
 			btrfs_debug(info, "%s: no writable device", __func__);
-		return -ENOSPC;
+		return ERR_PTR(-ENOSPC);
 	}
 
 	if (!(type & BTRFS_BLOCK_GROUP_TYPE_MASK)) {
 		btrfs_err(info, "invalid chunk type 0x%llx requested", type);
 		ASSERT(0);
-		return -EINVAL;
+		return ERR_PTR(-EINVAL);
 	}
 
 	ctl.start = find_next_chunk(info);
@@ -5361,46 +5449,43 @@ int btrfs_alloc_chunk(struct btrfs_trans_handle *trans, u64 type)
 	devices_info = kcalloc(fs_devices->rw_devices, sizeof(*devices_info),
 			       GFP_NOFS);
 	if (!devices_info)
-		return -ENOMEM;
+		return ERR_PTR(-ENOMEM);
 
 	ret = gather_device_info(fs_devices, &ctl, devices_info);
-	if (ret < 0)
+	if (ret < 0) {
+		block_group = ERR_PTR(ret);
 		goto out;
+	}
 
 	ret = decide_stripe_size(fs_devices, &ctl, devices_info);
-	if (ret < 0)
+	if (ret < 0) {
+		block_group = ERR_PTR(ret);
 		goto out;
+	}
 
-	ret = create_chunk(trans, &ctl, devices_info);
+	block_group = create_chunk(trans, &ctl, devices_info);
 
 out:
 	kfree(devices_info);
-	return ret;
+	return block_group;
 }
 
 /*
- * Chunk allocation falls into two parts. The first part does work
- * that makes the new allocated chunk usable, but does not do any operation
- * that modifies the chunk tree. The second part does the work that
- * requires modifying the chunk tree. This division is important for the
- * bootstrap process of adding storage to a seed btrfs.
+ * This function, btrfs_finish_chunk_alloc(), belongs to phase 2.
+ *
+ * See the comment at btrfs_chunk_alloc() for details about the chunk allocation
+ * phases.
  */
 int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans,
 			     u64 chunk_offset, u64 chunk_size)
 {
 	struct btrfs_fs_info *fs_info = trans->fs_info;
-	struct btrfs_root *extent_root = fs_info->extent_root;
-	struct btrfs_root *chunk_root = fs_info->chunk_root;
-	struct btrfs_key key;
 	struct btrfs_device *device;
-	struct btrfs_chunk *chunk;
-	struct btrfs_stripe *stripe;
 	struct extent_map *em;
 	struct map_lookup *map;
-	size_t item_size;
 	u64 dev_offset;
 	u64 stripe_size;
-	int i = 0;
+	int i;
 	int ret = 0;
 
 	em = btrfs_get_chunk_map(fs_info, chunk_offset, chunk_size);
@@ -5408,53 +5493,117 @@ int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans,
 		return PTR_ERR(em);
 
 	map = em->map_lookup;
-	item_size = btrfs_chunk_item_size(map->num_stripes);
 	stripe_size = em->orig_block_len;
 
-	chunk = kzalloc(item_size, GFP_NOFS);
-	if (!chunk) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
 	/*
 	 * Take the device list mutex to prevent races with the final phase of
 	 * a device replace operation that replaces the device object associated
 	 * with the map's stripes, because the device object's id can change
 	 * at any time during that final phase of the device replace operation
-	 * (dev-replace.c:btrfs_dev_replace_finishing()).
+	 * (dev-replace.c:btrfs_dev_replace_finishing()), so we could grab the
+	 * replaced device and then see it with an ID of BTRFS_DEV_REPLACE_DEVID,
+	 * resulting in persisting a device extent item with such ID.
 	 */
 	mutex_lock(&fs_info->fs_devices->device_list_mutex);
 	for (i = 0; i < map->num_stripes; i++) {
 		device = map->stripes[i].dev;
 		dev_offset = map->stripes[i].physical;
 
-		ret = btrfs_update_device(trans, device);
-		if (ret)
-			break;
 		ret = btrfs_alloc_dev_extent(trans, device, chunk_offset,
 					     dev_offset, stripe_size);
 		if (ret)
 			break;
 	}
-	if (ret) {
-		mutex_unlock(&fs_info->fs_devices->device_list_mutex);
+	mutex_unlock(&fs_info->fs_devices->device_list_mutex);
+
+	free_extent_map(em);
+	return ret;
+}
+
+/*
+ * This function, btrfs_chunk_alloc_add_chunk_item(), typically belongs to the
+ * phase 1 of chunk allocation. It belongs to phase 2 only when allocating system
+ * chunks.
+ *
+ * See the comment at btrfs_chunk_alloc() for details about the chunk allocation
+ * phases.
+ */
+int btrfs_chunk_alloc_add_chunk_item(struct btrfs_trans_handle *trans,
+				     struct btrfs_block_group *bg)
+{
+	struct btrfs_fs_info *fs_info = trans->fs_info;
+	struct btrfs_root *extent_root = fs_info->extent_root;
+	struct btrfs_root *chunk_root = fs_info->chunk_root;
+	struct btrfs_key key;
+	struct btrfs_chunk *chunk;
+	struct btrfs_stripe *stripe;
+	struct extent_map *em;
+	struct map_lookup *map;
+	size_t item_size;
+	int i;
+	int ret;
+
+	/*
+	 * We take the chunk_mutex for 2 reasons:
+	 *
+	 * 1) Updates and insertions in the chunk btree must be done while holding
+	 *    the chunk_mutex, as well as updating the system chunk array in the
+	 *    superblock. See the comment on top of btrfs_chunk_alloc() for the
+	 *    details;
+	 *
+	 * 2) To prevent races with the final phase of a device replace operation
+	 *    that replaces the device object associated with the map's stripes,
+	 *    because the device object's id can change at any time during that
+	 *    final phase of the device replace operation
+	 *    (dev-replace.c:btrfs_dev_replace_finishing()), so we could grab the
+	 *    replaced device and then see it with an ID of BTRFS_DEV_REPLACE_DEVID,
+	 *    which would cause a failure when updating the device item, which does
+	 *    not exists, or persisting a stripe of the chunk item with such ID.
+	 *    Here we can't use the device_list_mutex because our caller already
+	 *    has locked the chunk_mutex, and the final phase of device replace
+	 *    acquires both mutexes - first the device_list_mutex and then the
+	 *    chunk_mutex. Using any of those two mutexes protects us from a
+	 *    concurrent device replace.
+	 */
+	lockdep_assert_held(&fs_info->chunk_mutex);
+
+	em = btrfs_get_chunk_map(fs_info, bg->start, bg->length);
+	if (IS_ERR(em)) {
+		ret = PTR_ERR(em);
+		btrfs_abort_transaction(trans, ret);
+		return ret;
+	}
+
+	map = em->map_lookup;
+	item_size = btrfs_chunk_item_size(map->num_stripes);
+
+	chunk = kzalloc(item_size, GFP_NOFS);
+	if (!chunk) {
+		ret = -ENOMEM;
+		btrfs_abort_transaction(trans, ret);
 		goto out;
 	}
 
+	for (i = 0; i < map->num_stripes; i++) {
+		struct btrfs_device *device = map->stripes[i].dev;
+
+		ret = btrfs_update_device(trans, device);
+		if (ret)
+			goto out;
+	}
+
 	stripe = &chunk->stripe;
 	for (i = 0; i < map->num_stripes; i++) {
-		device = map->stripes[i].dev;
-		dev_offset = map->stripes[i].physical;
+		struct btrfs_device *device = map->stripes[i].dev;
+		const u64 dev_offset = map->stripes[i].physical;
 
 		btrfs_set_stack_stripe_devid(stripe, device->devid);
 		btrfs_set_stack_stripe_offset(stripe, dev_offset);
 		memcpy(stripe->dev_uuid, device->uuid, BTRFS_UUID_SIZE);
 		stripe++;
 	}
-	mutex_unlock(&fs_info->fs_devices->device_list_mutex);
 
-	btrfs_set_stack_chunk_length(chunk, chunk_size);
+	btrfs_set_stack_chunk_length(chunk, bg->length);
 	btrfs_set_stack_chunk_owner(chunk, extent_root->root_key.objectid);
 	btrfs_set_stack_chunk_stripe_len(chunk, map->stripe_len);
 	btrfs_set_stack_chunk_type(chunk, map->type);
@@ -5466,15 +5615,18 @@ int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans,
 
 	key.objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID;
 	key.type = BTRFS_CHUNK_ITEM_KEY;
-	key.offset = chunk_offset;
+	key.offset = bg->start;
 
 	ret = btrfs_insert_item(trans, chunk_root, &key, chunk, item_size);
-	if (ret == 0 && map->type & BTRFS_BLOCK_GROUP_SYSTEM) {
-		/*
-		 * TODO: Cleanup of inserted chunk root in case of
-		 * failure.
-		 */
+	if (ret)
+		goto out;
+
+	bg->chunk_item_inserted = 1;
+
+	if (map->type & BTRFS_BLOCK_GROUP_SYSTEM) {
 		ret = btrfs_add_system_chunk(fs_info, &key, chunk, item_size);
+		if (ret)
+			goto out;
 	}
 
 out:
@@ -5487,16 +5639,41 @@ static noinline int init_first_rw_device(struct btrfs_trans_handle *trans)
 {
 	struct btrfs_fs_info *fs_info = trans->fs_info;
 	u64 alloc_profile;
-	int ret;
+	struct btrfs_block_group *meta_bg;
+	struct btrfs_block_group *sys_bg;
+
+	/*
+	 * When adding a new device for sprouting, the seed device is read-only
+	 * so we must first allocate a metadata and a system chunk. But before
+	 * adding the block group items to the extent, device and chunk btrees,
+	 * we must first:
+	 *
+	 * 1) Create both chunks without doing any changes to the btrees, as
+	 *    otherwise we would get -ENOSPC since the block groups from the
+	 *    seed device are read-only;
+	 *
+	 * 2) Add the device item for the new sprout device - finishing the setup
+	 *    of a new block group requires updating the device item in the chunk
+	 *    btree, so it must exist when we attempt to do it. The previous step
+	 *    ensures this does not fail with -ENOSPC.
+	 *
+	 * After that we can add the block group items to their btrees:
+	 * update existing device item in the chunk btree, add a new block group
+	 * item to the extent btree, add a new chunk item to the chunk btree and
+	 * finally add the new device extent items to the devices btree.
+	 */
 
 	alloc_profile = btrfs_metadata_alloc_profile(fs_info);
-	ret = btrfs_alloc_chunk(trans, alloc_profile);
-	if (ret)
-		return ret;
+	meta_bg = btrfs_alloc_chunk(trans, alloc_profile);
+	if (IS_ERR(meta_bg))
+		return PTR_ERR(meta_bg);
 
 	alloc_profile = btrfs_system_alloc_profile(fs_info);
-	ret = btrfs_alloc_chunk(trans, alloc_profile);
-	return ret;
+	sys_bg = btrfs_alloc_chunk(trans, alloc_profile);
+	if (IS_ERR(sys_bg))
+		return PTR_ERR(sys_bg);
+
+	return 0;
 }
 
 static inline int btrfs_chunk_max_errors(struct map_lookup *map)
@@ -7425,10 +7602,18 @@ int btrfs_read_chunk_tree(struct btrfs_fs_info *fs_info)
 			total_dev++;
 		} else if (found_key.type == BTRFS_CHUNK_ITEM_KEY) {
 			struct btrfs_chunk *chunk;
+
+			/*
+			 * We are only called at mount time, so no need to take
+			 * fs_info->chunk_mutex. Plus, to avoid lockdep warnings,
+			 * we always lock first fs_info->chunk_mutex before
+			 * acquiring any locks on the chunk tree. This is a
+			 * requirement for chunk allocation, see the comment on
+			 * top of btrfs_chunk_alloc() for details.
+			 */
+			ASSERT(!test_bit(BTRFS_FS_OPEN, &fs_info->flags));
 			chunk = btrfs_item_ptr(leaf, slot, struct btrfs_chunk);
-			mutex_lock(&fs_info->chunk_mutex);
 			ret = read_one_chunk(&found_key, leaf, chunk);
-			mutex_unlock(&fs_info->chunk_mutex);
 			if (ret)
 				goto error;
 		}
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 9c0d84e5ec06..0f6ee7152b8b 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -447,7 +447,8 @@ int btrfs_get_io_geometry(struct btrfs_fs_info *fs_info, struct extent_map *map,
 			  struct btrfs_io_geometry *io_geom);
 int btrfs_read_sys_array(struct btrfs_fs_info *fs_info);
 int btrfs_read_chunk_tree(struct btrfs_fs_info *fs_info);
-int btrfs_alloc_chunk(struct btrfs_trans_handle *trans, u64 type);
+struct btrfs_block_group *btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
+					    u64 type);
 void btrfs_mapping_tree_free(struct extent_map_tree *tree);
 blk_status_t btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
 			   int mirror_num);
@@ -506,6 +507,8 @@ unsigned long btrfs_full_stripe_len(struct btrfs_fs_info *fs_info,
 				    u64 logical);
 int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans,
 			     u64 chunk_offset, u64 chunk_size);
+int btrfs_chunk_alloc_add_chunk_item(struct btrfs_trans_handle *trans,
+				     struct btrfs_block_group *bg);
 int btrfs_remove_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset);
 struct extent_map *btrfs_get_chunk_map(struct btrfs_fs_info *fs_info,
 				       u64 logical, u64 length);
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index c1570fada3d8..998dc4dfdc6b 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -82,10 +82,6 @@ static int ceph_set_page_dirty(struct page *page)
 	struct inode *inode;
 	struct ceph_inode_info *ci;
 	struct ceph_snap_context *snapc;
-	int ret;
-
-	if (unlikely(!mapping))
-		return !TestSetPageDirty(page);
 
 	if (PageDirty(page)) {
 		dout("%p set_page_dirty %p idx %lu -- already dirty\n",
@@ -130,11 +126,7 @@ static int ceph_set_page_dirty(struct page *page)
 	BUG_ON(PagePrivate(page));
 	attach_page_private(page, snapc);
 
-	ret = __set_page_dirty_nobuffers(page);
-	WARN_ON(!PageLocked(page));
-	WARN_ON(!page->mapping);
-
-	return ret;
+	return __set_page_dirty_nobuffers(page);
 }
 
 /*
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index c87c37cf2914..8dec4edc8a9f 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -173,7 +173,7 @@ char *cifs_compose_mount_options(const char *sb_mountdata,
 		}
 	}
 
-	rc = dns_resolve_server_name_to_ip(name, &srvIP);
+	rc = dns_resolve_server_name_to_ip(name, &srvIP, NULL);
 	if (rc < 0) {
 		cifs_dbg(FYI, "%s: Failed to resolve server part of %s to IP: %d\n",
 			 __func__, name, rc);
@@ -208,6 +208,10 @@ char *cifs_compose_mount_options(const char *sb_mountdata,
 		else
 			noff = tkn_e - (sb_mountdata + off) + 1;
 
+		if (strncasecmp(sb_mountdata + off, "cruid=", 6) == 0) {
+			off += noff;
+			continue;
+		}
 		if (strncasecmp(sb_mountdata + off, "unc=", 4) == 0) {
 			off += noff;
 			continue;
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 706a2aeba1de..016082024d7d 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -84,6 +84,9 @@
 #define SMB_ECHO_INTERVAL_MAX 600
 #define SMB_ECHO_INTERVAL_DEFAULT 60
 
+/* dns resolution interval in seconds */
+#define SMB_DNS_RESOLVE_INTERVAL_DEFAULT 600
+
 /* maximum number of PDUs in one compound */
 #define MAX_COMPOUND 5
 
@@ -654,6 +657,7 @@ struct TCP_Server_Info {
 	/* point to the SMBD connection if RDMA is used instead of socket */
 	struct smbd_connection *smbd_conn;
 	struct delayed_work	echo; /* echo ping workqueue job */
+	struct delayed_work	resolve; /* dns resolution workqueue job */
 	char	*smallbuf;	/* pointer to current "small" buffer */
 	char	*bigbuf;	/* pointer to current "big" buffer */
 	/* Total size of this PDU. Only valid from cifs_demultiplex_thread */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index eb6c10fa6741..584acc137250 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -90,6 +90,8 @@ static int reconn_set_ipaddr_from_hostname(struct TCP_Server_Info *server)
 	int rc;
 	int len;
 	char *unc, *ipaddr = NULL;
+	time64_t expiry, now;
+	unsigned long ttl = SMB_DNS_RESOLVE_INTERVAL_DEFAULT;
 
 	if (!server->hostname)
 		return -EINVAL;
@@ -103,13 +105,13 @@ static int reconn_set_ipaddr_from_hostname(struct TCP_Server_Info *server)
 	}
 	scnprintf(unc, len, "\\\\%s", server->hostname);
 
-	rc = dns_resolve_server_name_to_ip(unc, &ipaddr);
+	rc = dns_resolve_server_name_to_ip(unc, &ipaddr, &expiry);
 	kfree(unc);
 
 	if (rc < 0) {
 		cifs_dbg(FYI, "%s: failed to resolve server part of %s to IP: %d\n",
 			 __func__, server->hostname, rc);
-		return rc;
+		goto requeue_resolve;
 	}
 
 	spin_lock(&cifs_tcp_ses_lock);
@@ -118,7 +120,45 @@ static int reconn_set_ipaddr_from_hostname(struct TCP_Server_Info *server)
 	spin_unlock(&cifs_tcp_ses_lock);
 	kfree(ipaddr);
 
-	return !rc ? -1 : 0;
+	/* rc == 1 means success here */
+	if (rc) {
+		now = ktime_get_real_seconds();
+		if (expiry && expiry > now)
+			/*
+			 * To make sure we don't use the cached entry, retry 1s
+			 * after expiry.
+			 */
+			ttl = (expiry - now + 1);
+	}
+	rc = !rc ? -1 : 0;
+
+requeue_resolve:
+	cifs_dbg(FYI, "%s: next dns resolution scheduled for %lu seconds in the future\n",
+		 __func__, ttl);
+	mod_delayed_work(cifsiod_wq, &server->resolve, (ttl * HZ));
+
+	return rc;
+}
+
+
+static void cifs_resolve_server(struct work_struct *work)
+{
+	int rc;
+	struct TCP_Server_Info *server = container_of(work,
+					struct TCP_Server_Info, resolve.work);
+
+	mutex_lock(&server->srv_mutex);
+
+	/*
+	 * Resolve the hostname again to make sure that IP address is up-to-date.
+	 */
+	rc = reconn_set_ipaddr_from_hostname(server);
+	if (rc) {
+		cifs_dbg(FYI, "%s: failed to resolve hostname: %d\n",
+				__func__, rc);
+	}
+
+	mutex_unlock(&server->srv_mutex);
 }
 
 #ifdef CONFIG_CIFS_DFS_UPCALL
@@ -698,6 +738,7 @@ static void clean_demultiplex_info(struct TCP_Server_Info *server)
 	spin_unlock(&cifs_tcp_ses_lock);
 
 	cancel_delayed_work_sync(&server->echo);
+	cancel_delayed_work_sync(&server->resolve);
 
 	spin_lock(&GlobalMid_Lock);
 	server->tcpStatus = CifsExiting;
@@ -1278,6 +1319,7 @@ cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect)
 	spin_unlock(&cifs_tcp_ses_lock);
 
 	cancel_delayed_work_sync(&server->echo);
+	cancel_delayed_work_sync(&server->resolve);
 
 	if (from_reconnect)
 		/*
@@ -1360,6 +1402,7 @@ cifs_get_tcp_session(struct smb3_fs_context *ctx)
 	INIT_LIST_HEAD(&tcp_ses->tcp_ses_list);
 	INIT_LIST_HEAD(&tcp_ses->smb_ses_list);
 	INIT_DELAYED_WORK(&tcp_ses->echo, cifs_echo_request);
+	INIT_DELAYED_WORK(&tcp_ses->resolve, cifs_resolve_server);
 	INIT_DELAYED_WORK(&tcp_ses->reconnect, smb2_reconnect_server);
 	mutex_init(&tcp_ses->reconnect_mutex);
 	memcpy(&tcp_ses->srcaddr, &ctx->srcaddr,
@@ -1440,6 +1483,12 @@ cifs_get_tcp_session(struct smb3_fs_context *ctx)
 	/* queue echo request delayed work */
 	queue_delayed_work(cifsiod_wq, &tcp_ses->echo, tcp_ses->echo_interval);
 
+	/* queue dns resolution delayed work */
+	cifs_dbg(FYI, "%s: next dns resolution scheduled for %d seconds in the future\n",
+		 __func__, SMB_DNS_RESOLVE_INTERVAL_DEFAULT);
+
+	queue_delayed_work(cifsiod_wq, &tcp_ses->resolve, (SMB_DNS_RESOLVE_INTERVAL_DEFAULT * HZ));
+
 	return tcp_ses;
 
 out_err_crypto_release:
@@ -4106,7 +4155,8 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru
 	if (!tree)
 		return -ENOMEM;
 
-	if (!tcon->dfs_path) {
+	/* If it is not dfs or there was no cached dfs referral, then reconnect to same share */
+	if (!tcon->dfs_path || dfs_cache_noreq_find(tcon->dfs_path + 1, &ref, &tl)) {
 		if (tcon->ipc) {
 			scnprintf(tree, MAX_TREE_SIZE, "\\\\%s\\IPC$", server->hostname);
 			rc = ops->tree_connect(xid, tcon->ses, tree, tcon, nlsc);
@@ -4116,9 +4166,6 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru
 		goto out;
 	}
 
-	rc = dfs_cache_noreq_find(tcon->dfs_path + 1, &ref, &tl);
-	if (rc)
-		goto out;
 	isroot = ref.server_type == DFS_TYPE_ROOT;
 	free_dfs_info_param(&ref);
 
diff --git a/fs/cifs/dns_resolve.c b/fs/cifs/dns_resolve.c
index 534cbba72789..8c78b48faf01 100644
--- a/fs/cifs/dns_resolve.c
+++ b/fs/cifs/dns_resolve.c
@@ -36,6 +36,7 @@
  * dns_resolve_server_name_to_ip - Resolve UNC server name to ip address.
  * @unc: UNC path specifying the server (with '/' as delimiter)
  * @ip_addr: Where to return the IP address.
+ * @expiry: Where to return the expiry time for the dns record.
  *
  * The IP address will be returned in string form, and the caller is
  * responsible for freeing it.
@@ -43,7 +44,7 @@
  * Returns length of result on success, -ve on error.
  */
 int
-dns_resolve_server_name_to_ip(const char *unc, char **ip_addr)
+dns_resolve_server_name_to_ip(const char *unc, char **ip_addr, time64_t *expiry)
 {
 	struct sockaddr_storage ss;
 	const char *hostname, *sep;
@@ -78,13 +79,14 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr)
 
 	/* Perform the upcall */
 	rc = dns_query(current->nsproxy->net_ns, NULL, hostname, len,
-		       NULL, ip_addr, NULL, false);
+		       NULL, ip_addr, expiry, false);
 	if (rc < 0)
 		cifs_dbg(FYI, "%s: unable to resolve: %*.*s\n",
 			 __func__, len, len, hostname);
 	else
-		cifs_dbg(FYI, "%s: resolved: %*.*s to %s\n",
-			 __func__, len, len, hostname, *ip_addr);
+		cifs_dbg(FYI, "%s: resolved: %*.*s to %s expiry %llu\n",
+			 __func__, len, len, hostname, *ip_addr,
+			 expiry ? (*expiry) : 0);
 	return rc;
 
 name_is_IP_address:
diff --git a/fs/cifs/dns_resolve.h b/fs/cifs/dns_resolve.h
index d3f5d27f4d06..ff5483d5244d 100644
--- a/fs/cifs/dns_resolve.h
+++ b/fs/cifs/dns_resolve.h
@@ -24,7 +24,7 @@
 #define _DNS_RESOLVE_H
 
 #ifdef __KERNEL__
-extern int dns_resolve_server_name_to_ip(const char *unc, char **ip_addr);
+extern int dns_resolve_server_name_to_ip(const char *unc, char **ip_addr, time64_t *expiry);
 #endif /* KERNEL */
 
 #endif /* _DNS_RESOLVE_H */
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 7207a63819cb..cccaccfb02d0 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -1199,7 +1199,7 @@ int match_target_ip(struct TCP_Server_Info *server,
 
 	cifs_dbg(FYI, "%s: target name: %s\n", __func__, target + 2);
 
-	rc = dns_resolve_server_name_to_ip(target, &tip);
+	rc = dns_resolve_server_name_to_ip(target, &tip, NULL);
 	if (rc < 0)
 		goto out;
 
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index be799040a415..b96ecba91899 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -327,6 +327,7 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line,
 
 	set_buffer_meta(bh);
 	set_buffer_prio(bh);
+	set_buffer_uptodate(bh);
 	if (ext4_handle_valid(handle)) {
 		err = jbd2_journal_dirty_metadata(handle, bh);
 		/* Errors can only happen due to aborted journal or a nasty bug */
@@ -355,7 +356,6 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line,
 					 err);
 		}
 	} else {
-		set_buffer_uptodate(bh);
 		if (inode)
 			mark_buffer_dirty_inode(bh, inode);
 		else
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 09f1f02e1d6d..6a4e040ea9b3 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -705,15 +705,23 @@ static void flush_stashed_error_work(struct work_struct *work)
 	 * ext4 error handling code during handling of previous errors.
 	 */
 	if (!sb_rdonly(sbi->s_sb) && journal) {
+		struct buffer_head *sbh = sbi->s_sbh;
 		handle = jbd2_journal_start(journal, 1);
 		if (IS_ERR(handle))
 			goto write_directly;
-		if (jbd2_journal_get_write_access(handle, sbi->s_sbh)) {
+		if (jbd2_journal_get_write_access(handle, sbh)) {
 			jbd2_journal_stop(handle);
 			goto write_directly;
 		}
 		ext4_update_super(sbi->s_sb);
-		if (jbd2_journal_dirty_metadata(handle, sbi->s_sbh)) {
+		if (buffer_write_io_error(sbh) || !buffer_uptodate(sbh)) {
+			ext4_msg(sbi->s_sb, KERN_ERR, "previous I/O error to "
+				 "superblock detected");
+			clear_buffer_write_io_error(sbh);
+			set_buffer_uptodate(sbh);
+		}
+
+		if (jbd2_journal_dirty_metadata(handle, sbh)) {
 			jbd2_journal_stop(handle);
 			goto write_directly;
 		}
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 8d1f17ab94d8..ab63951c08cb 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1450,10 +1450,8 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
 
 		if (phase == 3) {
 			inode = f2fs_iget(sb, dni.ino);
-			if (IS_ERR(inode) || is_bad_inode(inode)) {
-				set_sbi_flag(sbi, SBI_NEED_FSCK);
+			if (IS_ERR(inode) || is_bad_inode(inode))
 				continue;
-			}
 
 			if (!down_write_trylock(
 				&F2FS_I(inode)->i_gc_rwsem[WRITE])) {
@@ -1822,6 +1820,7 @@ static void init_atgc_management(struct f2fs_sb_info *sbi)
 	am->candidate_ratio = DEF_GC_THREAD_CANDIDATE_RATIO;
 	am->max_candidate_count = DEF_GC_THREAD_MAX_CANDIDATE_COUNT;
 	am->age_weight = DEF_GC_THREAD_AGE_WEIGHT;
+	am->age_threshold = DEF_GC_THREAD_AGE_THRESHOLD;
 }
 
 void f2fs_build_gc_manager(struct f2fs_sb_info *sbi)
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index a9cd9cf97229..d4139e166b95 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -153,7 +153,8 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode)
 	return ERR_PTR(err);
 }
 
-static inline int is_extension_exist(const unsigned char *s, const char *sub)
+static inline int is_extension_exist(const unsigned char *s, const char *sub,
+						bool tmp_ext)
 {
 	size_t slen = strlen(s);
 	size_t sublen = strlen(sub);
@@ -169,6 +170,13 @@ static inline int is_extension_exist(const unsigned char *s, const char *sub)
 	if (slen < sublen + 2)
 		return 0;
 
+	if (!tmp_ext) {
+		/* file has no temp extension */
+		if (s[slen - sublen - 1] != '.')
+			return 0;
+		return !strncasecmp(s + slen - sublen, sub, sublen);
+	}
+
 	for (i = 1; i < slen - sublen; i++) {
 		if (s[i] != '.')
 			continue;
@@ -194,7 +202,7 @@ static inline void set_file_temperature(struct f2fs_sb_info *sbi, struct inode *
 	hot_count = sbi->raw_super->hot_ext_count;
 
 	for (i = 0; i < cold_count + hot_count; i++) {
-		if (is_extension_exist(name, extlist[i]))
+		if (is_extension_exist(name, extlist[i], true))
 			break;
 	}
 
@@ -295,7 +303,7 @@ static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
 	hot_count = sbi->raw_super->hot_ext_count;
 
 	for (i = cold_count; i < cold_count + hot_count; i++) {
-		if (is_extension_exist(name, extlist[i])) {
+		if (is_extension_exist(name, extlist[i], false)) {
 			up_read(&sbi->sb_lock);
 			return;
 		}
@@ -306,7 +314,7 @@ static void set_compress_inode(struct f2fs_sb_info *sbi, struct inode *inode,
 	ext = F2FS_OPTION(sbi).extensions;
 
 	for (i = 0; i < ext_cnt; i++) {
-		if (!is_extension_exist(name, ext[i]))
+		if (!is_extension_exist(name, ext[i], false))
 			continue;
 
 		set_compress_context(inode);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 096492caaa6b..b29de80ab60e 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -4321,4 +4321,5 @@ module_exit(exit_f2fs_fs)
 MODULE_AUTHOR("Samsung Electronics's Praesto Team");
 MODULE_DESCRIPTION("Flash Friendly File System");
 MODULE_LICENSE("GPL");
+MODULE_SOFTDEP("pre: crc32");
 
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 3fa8604c21d5..d296b0d19c27 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -252,7 +252,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags)
 		if (ret == -ENOMEM)
 			goto out;
 		if (ret || fuse_invalid_attr(&outarg.attr) ||
-		    inode_wrong_type(inode, outarg.attr.mode))
+		    fuse_stale_inode(inode, outarg.generation, &outarg.attr))
 			goto invalid;
 
 		forget_all_cached_acls(inode);
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 7e463e220053..120f9c5908d1 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -761,6 +761,9 @@ struct fuse_conn {
 	/* Auto-mount submounts announced by the server */
 	unsigned int auto_submounts:1;
 
+	/* Propagate syncfs() to server */
+	unsigned int sync_fs:1;
+
 	/** The number of requests waiting for completion */
 	atomic_t num_waiting;
 
@@ -867,6 +870,13 @@ static inline u64 fuse_get_attr_version(struct fuse_conn *fc)
 	return atomic64_read(&fc->attr_version);
 }
 
+static inline bool fuse_stale_inode(const struct inode *inode, int generation,
+				    struct fuse_attr *attr)
+{
+	return inode->i_generation != generation ||
+		inode_wrong_type(inode, attr->mode);
+}
+
 static inline void fuse_make_bad(struct inode *inode)
 {
 	remove_inode_hash(inode);
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 393e36b74dc4..cf16d6d3a603 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -350,8 +350,8 @@ struct inode *fuse_iget(struct super_block *sb, u64 nodeid,
 		inode->i_generation = generation;
 		fuse_init_inode(inode, attr);
 		unlock_new_inode(inode);
-	} else if (inode_wrong_type(inode, attr->mode)) {
-		/* Inode has changed type, any I/O on the old should fail */
+	} else if (fuse_stale_inode(inode, generation, attr)) {
+		/* nodeid was reused, any I/O on the old inode should fail */
 		fuse_make_bad(inode);
 		iput(inode);
 		goto retry;
@@ -506,6 +506,45 @@ static int fuse_statfs(struct dentry *dentry, struct kstatfs *buf)
 	return err;
 }
 
+static int fuse_sync_fs(struct super_block *sb, int wait)
+{
+	struct fuse_mount *fm = get_fuse_mount_super(sb);
+	struct fuse_conn *fc = fm->fc;
+	struct fuse_syncfs_in inarg;
+	FUSE_ARGS(args);
+	int err;
+
+	/*
+	 * Userspace cannot handle the wait == 0 case.  Avoid a
+	 * gratuitous roundtrip.
+	 */
+	if (!wait)
+		return 0;
+
+	/* The filesystem is being unmounted.  Nothing to do. */
+	if (!sb->s_root)
+		return 0;
+
+	if (!fc->sync_fs)
+		return 0;
+
+	memset(&inarg, 0, sizeof(inarg));
+	args.in_numargs = 1;
+	args.in_args[0].size = sizeof(inarg);
+	args.in_args[0].value = &inarg;
+	args.opcode = FUSE_SYNCFS;
+	args.nodeid = get_node_id(sb->s_root->d_inode);
+	args.out_numargs = 0;
+
+	err = fuse_simple_request(fm, &args);
+	if (err == -ENOSYS) {
+		fc->sync_fs = 0;
+		err = 0;
+	}
+
+	return err;
+}
+
 enum {
 	OPT_SOURCE,
 	OPT_SUBTYPE,
@@ -909,6 +948,7 @@ static const struct super_operations fuse_super_operations = {
 	.put_super	= fuse_put_super,
 	.umount_begin	= fuse_umount_begin,
 	.statfs		= fuse_statfs,
+	.sync_fs	= fuse_sync_fs,
 	.show_options	= fuse_show_options,
 };
 
diff --git a/fs/fuse/readdir.c b/fs/fuse/readdir.c
index 277f7041d55a..bc267832310c 100644
--- a/fs/fuse/readdir.c
+++ b/fs/fuse/readdir.c
@@ -200,9 +200,12 @@ static int fuse_direntplus_link(struct file *file,
 	if (!d_in_lookup(dentry)) {
 		struct fuse_inode *fi;
 		inode = d_inode(dentry);
+		if (inode && get_node_id(inode) != o->nodeid)
+			inode = NULL;
 		if (!inode ||
-		    get_node_id(inode) != o->nodeid ||
-		    inode_wrong_type(inode, o->attr.mode)) {
+		    fuse_stale_inode(inode, o->generation, &o->attr)) {
+			if (inode)
+				fuse_make_bad(inode);
 			d_invalidate(dentry);
 			dput(dentry);
 			goto retry;
diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index bcb8a02e2d8b..f9809b1b82f0 100644
--- a/fs/fuse/virtio_fs.c
+++ b/fs/fuse/virtio_fs.c
@@ -1447,6 +1447,7 @@ static int virtio_fs_get_tree(struct fs_context *fsc)
 	fc->release = fuse_free_conn;
 	fc->delete_stale = true;
 	fc->auto_submounts = true;
+	fc->sync_fs = true;
 
 	/* Tell FUSE to split requests that exceed the virtqueue's size */
 	fc->max_pages_limit = min_t(unsigned int, fc->max_pages_limit,
diff --git a/fs/io-wq.h b/fs/io-wq.h
index af2df0680ee2..32c7b4e82484 100644
--- a/fs/io-wq.h
+++ b/fs/io-wq.h
@@ -87,7 +87,6 @@ static inline void wq_list_del(struct io_wq_work_list *list,
 
 struct io_wq_work {
 	struct io_wq_work_node list;
-	const struct cred *creds;
 	unsigned flags;
 };
 
diff --git a/fs/io_uring.c b/fs/io_uring.c
index ad1f31fafe44..eeea6b8c8bee 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -299,11 +299,8 @@ struct io_sq_data {
 struct io_comp_state {
 	struct io_kiocb		*reqs[IO_COMPL_BATCH];
 	unsigned int		nr;
-	unsigned int		locked_free_nr;
 	/* inline/task_work completion list, under ->uring_lock */
 	struct list_head	free_list;
-	/* IRQ completion list, under ->completion_lock */
-	struct list_head	locked_free_list;
 };
 
 struct io_submit_link {
@@ -369,9 +366,6 @@ struct io_ring_ctx {
 		unsigned		cached_cq_overflow;
 		unsigned long		sq_check_overflow;
 
-		/* hashed buffered write serialization */
-		struct io_wq_hash	*hash_map;
-
 		struct list_head	defer_list;
 		struct list_head	timeout_list;
 		struct list_head	cq_overflow_list;
@@ -385,12 +379,12 @@ struct io_ring_ctx {
 	} ____cacheline_aligned_in_smp;
 
 	struct io_submit_state		submit_state;
+	/* IRQ completion list, under ->completion_lock */
+	struct list_head	locked_free_list;
+	unsigned int		locked_free_nr;
 
 	struct io_rings	*rings;
 
-	/* Only used for accounting purposes */
-	struct mm_struct	*mm_account;
-
 	const struct cred	*sq_creds;	/* cred used for __io_sq_thread() */
 	struct io_sq_data	*sq_data;	/* if using sq thread polling */
 
@@ -411,14 +405,6 @@ struct io_ring_ctx {
 	unsigned		nr_user_bufs;
 	struct io_mapped_ubuf	**user_bufs;
 
-	struct user_struct	*user;
-
-	struct completion	ref_comp;
-
-#if defined(CONFIG_UNIX)
-	struct socket		*ring_sock;
-#endif
-
 	struct xarray		io_buffers;
 
 	struct xarray		personalities;
@@ -462,12 +448,24 @@ struct io_ring_ctx {
 
 	struct io_restriction		restrictions;
 
-	/* exit task_work */
-	struct callback_head		*exit_task_work;
-
 	/* Keep this last, we don't need it for the fast path */
-	struct work_struct		exit_work;
-	struct list_head		tctx_list;
+	struct {
+		#if defined(CONFIG_UNIX)
+			struct socket		*ring_sock;
+		#endif
+		/* hashed buffered write serialization */
+		struct io_wq_hash		*hash_map;
+
+		/* Only used for accounting purposes */
+		struct user_struct		*user;
+		struct mm_struct		*mm_account;
+
+		/* ctx exit and cancelation */
+		struct callback_head		*exit_task_work;
+		struct work_struct		exit_work;
+		struct list_head		tctx_list;
+		struct completion		ref_comp;
+	};
 };
 
 struct io_uring_task {
@@ -851,6 +849,8 @@ struct io_kiocb {
 	struct hlist_node		hash_node;
 	struct async_poll		*apoll;
 	struct io_wq_work		work;
+	const struct cred 		*creds;
+
 	/* store used ubuf, so we can prevent reloading */
 	struct io_mapped_ubuf		*imu;
 };
@@ -1037,7 +1037,7 @@ static bool io_disarm_next(struct io_kiocb *req);
 static void io_uring_del_task_file(unsigned long index);
 static void io_uring_try_cancel_requests(struct io_ring_ctx *ctx,
 					 struct task_struct *task,
-					 struct files_struct *files);
+					 bool cancel_all);
 static void io_uring_cancel_sqpoll(struct io_sq_data *sqd);
 static struct io_rsrc_node *io_rsrc_node_alloc(struct io_ring_ctx *ctx);
 
@@ -1106,15 +1106,14 @@ static void io_refs_resurrect(struct percpu_ref *ref, struct completion *compl)
 		percpu_ref_put(ref);
 }
 
-static bool io_match_task(struct io_kiocb *head,
-			  struct task_struct *task,
-			  struct files_struct *files)
+static bool io_match_task(struct io_kiocb *head, struct task_struct *task,
+			  bool cancel_all)
 {
 	struct io_kiocb *req;
 
 	if (task && head->task != task)
 		return false;
-	if (!files)
+	if (cancel_all)
 		return true;
 
 	io_for_each_link(req, head) {
@@ -1196,7 +1195,7 @@ static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p)
 	init_llist_head(&ctx->rsrc_put_llist);
 	INIT_LIST_HEAD(&ctx->tctx_list);
 	INIT_LIST_HEAD(&ctx->submit_state.comp.free_list);
-	INIT_LIST_HEAD(&ctx->submit_state.comp.locked_free_list);
+	INIT_LIST_HEAD(&ctx->locked_free_list);
 	return ctx;
 err:
 	kfree(ctx->dummy_ubuf);
@@ -1230,8 +1229,8 @@ static void io_prep_async_work(struct io_kiocb *req)
 	const struct io_op_def *def = &io_op_defs[req->opcode];
 	struct io_ring_ctx *ctx = req->ctx;
 
-	if (!req->work.creds)
-		req->work.creds = get_current_cred();
+	if (!req->creds)
+		req->creds = get_current_cred();
 
 	req->work.list.next = NULL;
 	req->work.flags = 0;
@@ -1593,8 +1592,6 @@ static void io_req_complete_post(struct io_kiocb *req, long res,
 	 * free_list cache.
 	 */
 	if (req_ref_put_and_test(req)) {
-		struct io_comp_state *cs = &ctx->submit_state.comp;
-
 		if (req->flags & (REQ_F_LINK | REQ_F_HARDLINK)) {
 			if (req->flags & (REQ_F_LINK_TIMEOUT | REQ_F_FAIL_LINK))
 				io_disarm_next(req);
@@ -1605,8 +1602,8 @@ static void io_req_complete_post(struct io_kiocb *req, long res,
 		}
 		io_dismantle_req(req);
 		io_put_task(req->task, 1);
-		list_add(&req->compl.list, &cs->locked_free_list);
-		cs->locked_free_nr++;
+		list_add(&req->compl.list, &ctx->locked_free_list);
+		ctx->locked_free_nr++;
 	} else {
 		if (!percpu_ref_tryget(&ctx->refs))
 			req = NULL;
@@ -1661,8 +1658,8 @@ static void io_flush_cached_locked_reqs(struct io_ring_ctx *ctx,
 					struct io_comp_state *cs)
 {
 	spin_lock_irq(&ctx->completion_lock);
-	list_splice_init(&cs->locked_free_list, &cs->free_list);
-	cs->locked_free_nr = 0;
+	list_splice_init(&ctx->locked_free_list, &cs->free_list);
+	ctx->locked_free_nr = 0;
 	spin_unlock_irq(&ctx->completion_lock);
 }
 
@@ -1678,7 +1675,7 @@ static bool io_flush_cached_reqs(struct io_ring_ctx *ctx)
 	 * locked cache, grab the lock and move them over to our submission
 	 * side cache.
 	 */
-	if (READ_ONCE(cs->locked_free_nr) > IO_COMPL_BATCH)
+	if (READ_ONCE(ctx->locked_free_nr) > IO_COMPL_BATCH)
 		io_flush_cached_locked_reqs(ctx, cs);
 
 	nr = state->free_reqs;
@@ -1747,9 +1744,9 @@ static void io_dismantle_req(struct io_kiocb *req)
 		percpu_ref_put(req->fixed_rsrc_refs);
 	if (req->async_data)
 		kfree(req->async_data);
-	if (req->work.creds) {
-		put_cred(req->work.creds);
-		req->work.creds = NULL;
+	if (req->creds) {
+		put_cred(req->creds);
+		req->creds = NULL;
 	}
 }
 
@@ -1886,48 +1883,43 @@ static void ctx_flush_and_put(struct io_ring_ctx *ctx)
 	percpu_ref_put(&ctx->refs);
 }
 
-static bool __tctx_task_work(struct io_uring_task *tctx)
-{
-	struct io_ring_ctx *ctx = NULL;
-	struct io_wq_work_list list;
-	struct io_wq_work_node *node;
-
-	if (wq_list_empty(&tctx->task_list))
-		return false;
-
-	spin_lock_irq(&tctx->task_lock);
-	list = tctx->task_list;
-	INIT_WQ_LIST(&tctx->task_list);
-	spin_unlock_irq(&tctx->task_lock);
-
-	node = list.first;
-	while (node) {
-		struct io_wq_work_node *next = node->next;
-		struct io_kiocb *req;
-
-		req = container_of(node, struct io_kiocb, io_task_work.node);
-		if (req->ctx != ctx) {
-			ctx_flush_and_put(ctx);
-			ctx = req->ctx;
-			percpu_ref_get(&ctx->refs);
-		}
-
-		req->task_work.func(&req->task_work);
-		node = next;
-	}
-
-	ctx_flush_and_put(ctx);
-	return list.first != NULL;
-}
-
 static void tctx_task_work(struct callback_head *cb)
 {
-	struct io_uring_task *tctx = container_of(cb, struct io_uring_task, task_work);
+	struct io_uring_task *tctx = container_of(cb, struct io_uring_task,
+						  task_work);
 
 	clear_bit(0, &tctx->task_state);
 
-	while (__tctx_task_work(tctx))
+	while (!wq_list_empty(&tctx->task_list)) {
+		struct io_ring_ctx *ctx = NULL;
+		struct io_wq_work_list list;
+		struct io_wq_work_node *node;
+
+		spin_lock_irq(&tctx->task_lock);
+		list = tctx->task_list;
+		INIT_WQ_LIST(&tctx->task_list);
+		spin_unlock_irq(&tctx->task_lock);
+
+		node = list.first;
+		while (node) {
+			struct io_wq_work_node *next = node->next;
+			struct io_kiocb *req = container_of(node, struct io_kiocb,
+							    io_task_work.node);
+
+			if (req->ctx != ctx) {
+				ctx_flush_and_put(ctx);
+				ctx = req->ctx;
+				percpu_ref_get(&ctx->refs);
+			}
+			req->task_work.func(&req->task_work);
+			node = next;
+		}
+
+		ctx_flush_and_put(ctx);
+		if (!list.first)
+			break;
 		cond_resched();
+	}
 }
 
 static int io_req_task_work_add(struct io_kiocb *req)
@@ -2040,7 +2032,7 @@ static void __io_req_task_submit(struct io_kiocb *req)
 
 	/* ctx stays valid until unlock, even if we drop all ours ctx->refs */
 	mutex_lock(&ctx->uring_lock);
-	if (!(current->flags & PF_EXITING) && !current->in_execve)
+	if (!(req->task->flags & PF_EXITING) && !req->task->in_execve)
 		__io_queue_sqe(req);
 	else
 		io_req_complete_failed(req, -EFAULT);
@@ -2235,12 +2227,6 @@ static inline unsigned int io_put_rw_kbuf(struct io_kiocb *req)
 
 static inline bool io_run_task_work(void)
 {
-	/*
-	 * Not safe to run on exiting task, and the task_work handling will
-	 * not add work to such a task.
-	 */
-	if (unlikely(current->flags & PF_EXITING))
-		return false;
 	if (current->task_works) {
 		__set_current_state(TASK_RUNNING);
 		task_work_run();
@@ -5265,7 +5251,7 @@ static bool io_poll_remove_one(struct io_kiocb *req)
  * Returns true if we found and killed one or more poll requests
  */
 static bool io_poll_remove_all(struct io_ring_ctx *ctx, struct task_struct *tsk,
-			       struct files_struct *files)
+			       bool cancel_all)
 {
 	struct hlist_node *tmp;
 	struct io_kiocb *req;
@@ -5277,7 +5263,7 @@ static bool io_poll_remove_all(struct io_ring_ctx *ctx, struct task_struct *tsk,
 
 		list = &ctx->cancel_hash[i];
 		hlist_for_each_entry_safe(req, tmp, list, hash_node) {
-			if (io_match_task(req, tsk, files))
+			if (io_match_task(req, tsk, cancel_all))
 				posted += io_poll_remove_one(req);
 		}
 	}
@@ -6115,8 +6101,8 @@ static int io_issue_sqe(struct io_kiocb *req, unsigned int issue_flags)
 	const struct cred *creds = NULL;
 	int ret;
 
-	if (req->work.creds && req->work.creds != current_cred())
-		creds = override_creds(req->work.creds);
+	if (req->creds && req->creds != current_cred())
+		creds = override_creds(req->creds);
 
 	switch (req->opcode) {
 	case IORING_OP_NOP:
@@ -6523,7 +6509,7 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
 	atomic_set(&req->refs, 2);
 	req->task = current;
 	req->result = 0;
-	req->work.creds = NULL;
+	req->creds = NULL;
 
 	/* enforce forwards compatibility on users */
 	if (unlikely(sqe_flags & ~SQE_VALID_FLAGS))
@@ -6539,10 +6525,10 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
 
 	personality = READ_ONCE(sqe->personality);
 	if (personality) {
-		req->work.creds = xa_load(&ctx->personalities, personality);
-		if (!req->work.creds)
+		req->creds = xa_load(&ctx->personalities, personality);
+		if (!req->creds)
 			return -EINVAL;
-		get_cred(req->work.creds);
+		get_cred(req->creds);
 	}
 	state = &ctx->submit_state;
 
@@ -8747,7 +8733,7 @@ static void io_ring_exit_work(struct work_struct *work)
 	 * as nobody else will be looking for them.
 	 */
 	do {
-		io_uring_try_cancel_requests(ctx, NULL, NULL);
+		io_uring_try_cancel_requests(ctx, NULL, true);
 		if (ctx->sq_data) {
 			struct io_sq_data *sqd = ctx->sq_data;
 			struct task_struct *tsk;
@@ -8798,14 +8784,14 @@ static void io_ring_exit_work(struct work_struct *work)
 
 /* Returns true if we found and killed one or more timeouts */
 static bool io_kill_timeouts(struct io_ring_ctx *ctx, struct task_struct *tsk,
-			     struct files_struct *files)
+			     bool cancel_all)
 {
 	struct io_kiocb *req, *tmp;
 	int canceled = 0;
 
 	spin_lock_irq(&ctx->completion_lock);
 	list_for_each_entry_safe(req, tmp, &ctx->timeout_list, timeout.list) {
-		if (io_match_task(req, tsk, files)) {
+		if (io_match_task(req, tsk, cancel_all)) {
 			io_kill_timeout(req, -ECANCELED);
 			canceled++;
 		}
@@ -8831,8 +8817,8 @@ static void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx)
 		io_unregister_personality(ctx, index);
 	mutex_unlock(&ctx->uring_lock);
 
-	io_kill_timeouts(ctx, NULL, NULL);
-	io_poll_remove_all(ctx, NULL, NULL);
+	io_kill_timeouts(ctx, NULL, true);
+	io_poll_remove_all(ctx, NULL, true);
 
 	/* if we failed setting up the ctx, we might not have any rings */
 	io_iopoll_try_reap_events(ctx);
@@ -8858,7 +8844,7 @@ static int io_uring_release(struct inode *inode, struct file *file)
 
 struct io_task_cancel {
 	struct task_struct *task;
-	struct files_struct *files;
+	bool all;
 };
 
 static bool io_cancel_task_cb(struct io_wq_work *work, void *data)
@@ -8867,30 +8853,29 @@ static bool io_cancel_task_cb(struct io_wq_work *work, void *data)
 	struct io_task_cancel *cancel = data;
 	bool ret;
 
-	if (cancel->files && (req->flags & REQ_F_LINK_TIMEOUT)) {
+	if (!cancel->all && (req->flags & REQ_F_LINK_TIMEOUT)) {
 		unsigned long flags;
 		struct io_ring_ctx *ctx = req->ctx;
 
 		/* protect against races with linked timeouts */
 		spin_lock_irqsave(&ctx->completion_lock, flags);
-		ret = io_match_task(req, cancel->task, cancel->files);
+		ret = io_match_task(req, cancel->task, cancel->all);
 		spin_unlock_irqrestore(&ctx->completion_lock, flags);
 	} else {
-		ret = io_match_task(req, cancel->task, cancel->files);
+		ret = io_match_task(req, cancel->task, cancel->all);
 	}
 	return ret;
 }
 
 static bool io_cancel_defer_files(struct io_ring_ctx *ctx,
-				  struct task_struct *task,
-				  struct files_struct *files)
+				  struct task_struct *task, bool cancel_all)
 {
 	struct io_defer_entry *de;
 	LIST_HEAD(list);
 
 	spin_lock_irq(&ctx->completion_lock);
 	list_for_each_entry_reverse(de, &ctx->defer_list, list) {
-		if (io_match_task(de->req, task, files)) {
+		if (io_match_task(de->req, task, cancel_all)) {
 			list_cut_position(&list, &ctx->defer_list, &de->list);
 			break;
 		}
@@ -8934,9 +8919,9 @@ static bool io_uring_try_cancel_iowq(struct io_ring_ctx *ctx)
 
 static void io_uring_try_cancel_requests(struct io_ring_ctx *ctx,
 					 struct task_struct *task,
-					 struct files_struct *files)
+					 bool cancel_all)
 {
-	struct io_task_cancel cancel = { .task = task, .files = files, };
+	struct io_task_cancel cancel = { .task = task, .all = cancel_all, };
 	struct io_uring_task *tctx = task ? task->io_uring : NULL;
 
 	while (1) {
@@ -8956,7 +8941,7 @@ static void io_uring_try_cancel_requests(struct io_ring_ctx *ctx,
 		}
 
 		/* SQPOLL thread does its own polling */
-		if ((!(ctx->flags & IORING_SETUP_SQPOLL) && !files) ||
+		if ((!(ctx->flags & IORING_SETUP_SQPOLL) && cancel_all) ||
 		    (ctx->sq_data && ctx->sq_data->thread == current)) {
 			while (!list_empty_careful(&ctx->iopoll_list)) {
 				io_iopoll_try_reap_events(ctx);
@@ -8964,10 +8949,11 @@ static void io_uring_try_cancel_requests(struct io_ring_ctx *ctx,
 			}
 		}
 
-		ret |= io_cancel_defer_files(ctx, task, files);
-		ret |= io_poll_remove_all(ctx, task, files);
-		ret |= io_kill_timeouts(ctx, task, files);
-		ret |= io_run_task_work();
+		ret |= io_cancel_defer_files(ctx, task, cancel_all);
+		ret |= io_poll_remove_all(ctx, task, cancel_all);
+		ret |= io_kill_timeouts(ctx, task, cancel_all);
+		if (task)
+			ret |= io_run_task_work();
 		ret |= io_run_ctx_fallback(ctx);
 		if (!ret)
 			break;
@@ -9072,7 +9058,7 @@ static s64 tctx_inflight(struct io_uring_task *tctx, bool tracked)
 	return percpu_counter_sum(&tctx->inflight);
 }
 
-static void io_uring_try_cancel(struct files_struct *files)
+static void io_uring_try_cancel(bool cancel_all)
 {
 	struct io_uring_task *tctx = current->io_uring;
 	struct io_tctx_node *node;
@@ -9083,7 +9069,7 @@ static void io_uring_try_cancel(struct files_struct *files)
 
 		/* sqpoll task will cancel all its requests */
 		if (!ctx->sq_data)
-			io_uring_try_cancel_requests(ctx, current, files);
+			io_uring_try_cancel_requests(ctx, current, cancel_all);
 	}
 }
 
@@ -9109,7 +9095,7 @@ static void io_uring_cancel_sqpoll(struct io_sq_data *sqd)
 		if (!inflight)
 			break;
 		list_for_each_entry(ctx, &sqd->ctx_list, sqd_list)
-			io_uring_try_cancel_requests(ctx, current, NULL);
+			io_uring_try_cancel_requests(ctx, current, true);
 
 		prepare_to_wait(&tctx->wait, &wait, TASK_UNINTERRUPTIBLE);
 		/*
@@ -9133,6 +9119,7 @@ void __io_uring_cancel(struct files_struct *files)
 	struct io_uring_task *tctx = current->io_uring;
 	DEFINE_WAIT(wait);
 	s64 inflight;
+	bool cancel_all = !files;
 
 	if (tctx->io_wq)
 		io_wq_exit_start(tctx->io_wq);
@@ -9141,10 +9128,10 @@ void __io_uring_cancel(struct files_struct *files)
 	atomic_inc(&tctx->in_idle);
 	do {
 		/* read completions before cancelations */
-		inflight = tctx_inflight(tctx, !!files);
+		inflight = tctx_inflight(tctx, !cancel_all);
 		if (!inflight)
 			break;
-		io_uring_try_cancel(files);
+		io_uring_try_cancel(cancel_all);
 		prepare_to_wait(&tctx->wait, &wait, TASK_UNINTERRUPTIBLE);
 
 		/*
@@ -9152,14 +9139,14 @@ void __io_uring_cancel(struct files_struct *files)
 		 * avoids a race where a completion comes in before we did
 		 * prepare_to_wait().
 		 */
-		if (inflight == tctx_inflight(tctx, !!files))
+		if (inflight == tctx_inflight(tctx, !cancel_all))
 			schedule();
 		finish_wait(&tctx->wait, &wait);
 	} while (1);
 	atomic_dec(&tctx->in_idle);
 
 	io_uring_clean_tctx(tctx);
-	if (!files) {
+	if (cancel_all) {
 		/* for exec all current's requests should be gone, kill tctx */
 		__io_uring_free(current);
 	}
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index 9330eff210e0..78fd136ac13b 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -1324,6 +1324,7 @@ int lmLogInit(struct jfs_log * log)
 		} else {
 			if (!uuid_equal(&logsuper->uuid, &log->uuid)) {
 				jfs_warn("wrong uuid on JFS log device");
+				rc = -EINVAL;
 				goto errout20;
 			}
 			log->size = le32_to_cpu(logsuper->size);
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index e6ec6f09ac6e..7c45ac3c3b0b 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -75,6 +75,13 @@ void nfs_mark_delegation_referenced(struct nfs_delegation *delegation)
 	set_bit(NFS_DELEGATION_REFERENCED, &delegation->flags);
 }
 
+static void nfs_mark_return_delegation(struct nfs_server *server,
+				       struct nfs_delegation *delegation)
+{
+	set_bit(NFS_DELEGATION_RETURN, &delegation->flags);
+	set_bit(NFS4CLNT_DELEGRETURN, &server->nfs_client->cl_state);
+}
+
 static bool
 nfs4_is_valid_delegation(const struct nfs_delegation *delegation,
 		fmode_t flags)
@@ -293,6 +300,7 @@ nfs_start_delegation_return_locked(struct nfs_inode *nfsi)
 		goto out;
 	spin_lock(&delegation->lock);
 	if (!test_and_set_bit(NFS_DELEGATION_RETURNING, &delegation->flags)) {
+		clear_bit(NFS_DELEGATION_RETURN_DELAYED, &delegation->flags);
 		/* Refcount matched in nfs_end_delegation_return() */
 		ret = nfs_get_delegation(delegation);
 	}
@@ -314,16 +322,17 @@ nfs_start_delegation_return(struct nfs_inode *nfsi)
 	return delegation;
 }
 
-static void
-nfs_abort_delegation_return(struct nfs_delegation *delegation,
-		struct nfs_client *clp)
+static void nfs_abort_delegation_return(struct nfs_delegation *delegation,
+					struct nfs_client *clp, int err)
 {
 
 	spin_lock(&delegation->lock);
 	clear_bit(NFS_DELEGATION_RETURNING, &delegation->flags);
-	set_bit(NFS_DELEGATION_RETURN, &delegation->flags);
+	if (err == -EAGAIN) {
+		set_bit(NFS_DELEGATION_RETURN_DELAYED, &delegation->flags);
+		set_bit(NFS4CLNT_DELEGRETURN_DELAYED, &clp->cl_state);
+	}
 	spin_unlock(&delegation->lock);
-	set_bit(NFS4CLNT_DELEGRETURN, &clp->cl_state);
 }
 
 static struct nfs_delegation *
@@ -539,7 +548,7 @@ static int nfs_end_delegation_return(struct inode *inode, struct nfs_delegation
 	} while (err == 0);
 
 	if (err) {
-		nfs_abort_delegation_return(delegation, clp);
+		nfs_abort_delegation_return(delegation, clp, err);
 		goto out;
 	}
 
@@ -568,6 +577,7 @@ static bool nfs_delegation_need_return(struct nfs_delegation *delegation)
 	if (ret)
 		clear_bit(NFS_DELEGATION_RETURN_IF_CLOSED, &delegation->flags);
 	if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags) ||
+	    test_bit(NFS_DELEGATION_RETURN_DELAYED, &delegation->flags) ||
 	    test_bit(NFS_DELEGATION_REVOKED, &delegation->flags))
 		ret = false;
 
@@ -647,6 +657,38 @@ static int nfs_server_return_marked_delegations(struct nfs_server *server,
 	return err;
 }
 
+static bool nfs_server_clear_delayed_delegations(struct nfs_server *server)
+{
+	struct nfs_delegation *d;
+	bool ret = false;
+
+	list_for_each_entry_rcu (d, &server->delegations, super_list) {
+		if (!test_bit(NFS_DELEGATION_RETURN_DELAYED, &d->flags))
+			continue;
+		nfs_mark_return_delegation(server, d);
+		clear_bit(NFS_DELEGATION_RETURN_DELAYED, &d->flags);
+		ret = true;
+	}
+	return ret;
+}
+
+static bool nfs_client_clear_delayed_delegations(struct nfs_client *clp)
+{
+	struct nfs_server *server;
+	bool ret = false;
+
+	if (!test_and_clear_bit(NFS4CLNT_DELEGRETURN_DELAYED, &clp->cl_state))
+		goto out;
+	rcu_read_lock();
+	list_for_each_entry_rcu (server, &clp->cl_superblocks, client_link) {
+		if (nfs_server_clear_delayed_delegations(server))
+			ret = true;
+	}
+	rcu_read_unlock();
+out:
+	return ret;
+}
+
 /**
  * nfs_client_return_marked_delegations - return previously marked delegations
  * @clp: nfs_client to process
@@ -659,8 +701,14 @@ static int nfs_server_return_marked_delegations(struct nfs_server *server,
  */
 int nfs_client_return_marked_delegations(struct nfs_client *clp)
 {
-	return nfs_client_for_each_server(clp,
-			nfs_server_return_marked_delegations, NULL);
+	int err = nfs_client_for_each_server(
+		clp, nfs_server_return_marked_delegations, NULL);
+	if (err)
+		return err;
+	/* If a return was delayed, sleep to prevent hard looping */
+	if (nfs_client_clear_delayed_delegations(clp))
+		ssleep(1);
+	return 0;
 }
 
 /**
@@ -775,13 +823,6 @@ static void nfs_mark_return_if_closed_delegation(struct nfs_server *server,
 	set_bit(NFS4CLNT_DELEGRETURN, &server->nfs_client->cl_state);
 }
 
-static void nfs_mark_return_delegation(struct nfs_server *server,
-		struct nfs_delegation *delegation)
-{
-	set_bit(NFS_DELEGATION_RETURN, &delegation->flags);
-	set_bit(NFS4CLNT_DELEGRETURN, &server->nfs_client->cl_state);
-}
-
 static bool nfs_server_mark_return_all_delegations(struct nfs_server *server)
 {
 	struct nfs_delegation *delegation;
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index c19b4fd20781..1c378992b7c0 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -36,6 +36,7 @@ enum {
 	NFS_DELEGATION_REVOKED,
 	NFS_DELEGATION_TEST_EXPIRED,
 	NFS_DELEGATION_INODE_FREEING,
+	NFS_DELEGATION_RETURN_DELAYED,
 };
 
 int nfs_inode_set_delegation(struct inode *inode, const struct cred *cred,
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 2d30a4da49fa..2e894fec036b 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -700,8 +700,8 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
 {
 	struct nfs_direct_req *dreq = hdr->dreq;
 	struct nfs_commit_info cinfo;
-	bool request_commit = false;
 	struct nfs_page *req = nfs_list_entry(hdr->pages.next);
+	int flags = NFS_ODIRECT_DONE;
 
 	nfs_init_cinfo_from_dreq(&cinfo, dreq);
 
@@ -713,15 +713,9 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
 
 	nfs_direct_count_bytes(dreq, hdr);
 	if (hdr->good_bytes != 0 && nfs_write_need_commit(hdr)) {
-		switch (dreq->flags) {
-		case 0:
+		if (!dreq->flags)
 			dreq->flags = NFS_ODIRECT_DO_COMMIT;
-			request_commit = true;
-			break;
-		case NFS_ODIRECT_RESCHED_WRITES:
-		case NFS_ODIRECT_DO_COMMIT:
-			request_commit = true;
-		}
+		flags = dreq->flags;
 	}
 	spin_unlock(&dreq->lock);
 
@@ -729,12 +723,15 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
 
 		req = nfs_list_entry(hdr->pages.next);
 		nfs_list_remove_request(req);
-		if (request_commit) {
+		if (flags == NFS_ODIRECT_DO_COMMIT) {
 			kref_get(&req->wb_kref);
 			memcpy(&req->wb_verf, &hdr->verf.verifier,
 			       sizeof(req->wb_verf));
 			nfs_mark_request_commit(req, hdr->lseg, &cinfo,
 				hdr->ds_commit_idx);
+		} else if (flags == NFS_ODIRECT_RESCHED_WRITES) {
+			kref_get(&req->wb_kref);
+			nfs_mark_request_commit(req, NULL, &cinfo, 0);
 		}
 		nfs_unlock_and_release_request(req);
 	}
diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c
index c4c021c6ebbd..d743629e05e1 100644
--- a/fs/nfs/fscache.c
+++ b/fs/nfs/fscache.c
@@ -385,12 +385,15 @@ static void nfs_readpage_from_fscache_complete(struct page *page,
 		 "NFS: readpage_from_fscache_complete (0x%p/0x%p/%d)\n",
 		 page, context, error);
 
-	/* if the read completes with an error, we just unlock the page and let
-	 * the VM reissue the readpage */
-	if (!error) {
+	/*
+	 * If the read completes with an error, mark the page with PG_checked,
+	 * unlock the page, and let the VM reissue the readpage.
+	 */
+	if (!error)
 		SetPageUptodate(page);
-		unlock_page(page);
-	}
+	else
+		SetPageChecked(page);
+	unlock_page(page);
 }
 
 /*
@@ -405,6 +408,11 @@ int __nfs_readpage_from_fscache(struct nfs_open_context *ctx,
 		 "NFS: readpage_from_fscache(fsc:%p/p:%p(i:%lx f:%lx)/0x%p)\n",
 		 nfs_i_fscache(inode), page, page->index, page->flags, inode);
 
+	if (PageChecked(page)) {
+		ClearPageChecked(page);
+		return 1;
+	}
+
 	ret = fscache_read_or_alloc_page(nfs_i_fscache(inode),
 					 page,
 					 nfs_readpage_from_fscache_complete,
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index aaeeb4659bff..59355c106ece 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -67,7 +67,7 @@ static int nfs_superblock_set_dummy_root(struct super_block *sb, struct inode *i
 int nfs_get_root(struct super_block *s, struct fs_context *fc)
 {
 	struct nfs_fs_context *ctx = nfs_fc2context(fc);
-	struct nfs_server *server = NFS_SB(s);
+	struct nfs_server *server = NFS_SB(s), *clone_server;
 	struct nfs_fsinfo fsinfo;
 	struct dentry *root;
 	struct inode *inode;
@@ -127,7 +127,7 @@ int nfs_get_root(struct super_block *s, struct fs_context *fc)
 	}
 	spin_unlock(&root->d_lock);
 	fc->root = root;
-	if (NFS_SB(s)->caps & NFS_CAP_SECURITY_LABEL)
+	if (server->caps & NFS_CAP_SECURITY_LABEL)
 		kflags |= SECURITY_LSM_NATIVE_LABELS;
 	if (ctx->clone_data.sb) {
 		if (d_inode(fc->root)->i_fop != &nfs_dir_operations) {
@@ -137,15 +137,19 @@ int nfs_get_root(struct super_block *s, struct fs_context *fc)
 		/* clone lsm security options from the parent to the new sb */
 		error = security_sb_clone_mnt_opts(ctx->clone_data.sb,
 						   s, kflags, &kflags_out);
+		if (error)
+			goto error_splat_root;
+		clone_server = NFS_SB(ctx->clone_data.sb);
+		server->has_sec_mnt_opts = clone_server->has_sec_mnt_opts;
 	} else {
 		error = security_sb_set_mnt_opts(s, fc->security,
 							kflags, &kflags_out);
 	}
 	if (error)
 		goto error_splat_root;
-	if (NFS_SB(s)->caps & NFS_CAP_SECURITY_LABEL &&
+	if (server->caps & NFS_CAP_SECURITY_LABEL &&
 		!(kflags_out & SECURITY_LSM_NATIVE_LABELS))
-		NFS_SB(s)->caps &= ~NFS_CAP_SECURITY_LABEL;
+		server->caps &= ~NFS_CAP_SECURITY_LABEL;
 
 	nfs_setsecurity(inode, fsinfo.fattr, fsinfo.fattr->label);
 	error = 0;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 529c4099f482..1acae1716df1 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1101,6 +1101,7 @@ EXPORT_SYMBOL_GPL(nfs_inode_attach_open_context);
 void nfs_file_set_open_context(struct file *filp, struct nfs_open_context *ctx)
 {
 	filp->private_data = get_nfs_open_context(ctx);
+	set_bit(NFS_CONTEXT_FILE_OPEN, &ctx->flags);
 	if (list_empty(&ctx->list))
 		nfs_inode_attach_open_context(ctx);
 }
@@ -1120,6 +1121,8 @@ struct nfs_open_context *nfs_find_open_context(struct inode *inode, const struct
 			continue;
 		if ((pos->mode & (FMODE_READ|FMODE_WRITE)) != mode)
 			continue;
+		if (!test_bit(NFS_CONTEXT_FILE_OPEN, &pos->flags))
+			continue;
 		ctx = get_nfs_open_context(pos);
 		if (ctx)
 			break;
@@ -1135,6 +1138,7 @@ void nfs_file_clear_open_context(struct file *filp)
 	if (ctx) {
 		struct inode *inode = d_inode(ctx->dentry);
 
+		clear_bit(NFS_CONTEXT_FILE_OPEN, &ctx->flags);
 		/*
 		 * We fatal error on write before. Try to writeback
 		 * every page again.
@@ -2066,24 +2070,22 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 	} else {
 		nfsi->cache_validity |=
 			save_cache_validity & NFS_INO_INVALID_CHANGE;
-		cache_revalidated = false;
+		if (!have_delegation ||
+		    (nfsi->cache_validity & NFS_INO_INVALID_CHANGE) != 0)
+			cache_revalidated = false;
 	}
 
-	if (fattr->valid & NFS_ATTR_FATTR_MTIME) {
+	if (fattr->valid & NFS_ATTR_FATTR_MTIME)
 		inode->i_mtime = fattr->mtime;
-	} else if (fattr_supported & NFS_ATTR_FATTR_MTIME) {
+	else if (fattr_supported & NFS_ATTR_FATTR_MTIME)
 		nfsi->cache_validity |=
 			save_cache_validity & NFS_INO_INVALID_MTIME;
-		cache_revalidated = false;
-	}
 
-	if (fattr->valid & NFS_ATTR_FATTR_CTIME) {
+	if (fattr->valid & NFS_ATTR_FATTR_CTIME)
 		inode->i_ctime = fattr->ctime;
-	} else if (fattr_supported & NFS_ATTR_FATTR_CTIME) {
+	else if (fattr_supported & NFS_ATTR_FATTR_CTIME)
 		nfsi->cache_validity |=
 			save_cache_validity & NFS_INO_INVALID_CTIME;
-		cache_revalidated = false;
-	}
 
 	/* Check if our cached file size is stale */
 	if (fattr->valid & NFS_ATTR_FATTR_SIZE) {
@@ -2111,19 +2113,15 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 			fattr->du.nfs3.used = 0;
 			fattr->valid |= NFS_ATTR_FATTR_SPACE_USED;
 		}
-	} else {
+	} else
 		nfsi->cache_validity |=
 			save_cache_validity & NFS_INO_INVALID_SIZE;
-		cache_revalidated = false;
-	}
 
 	if (fattr->valid & NFS_ATTR_FATTR_ATIME)
 		inode->i_atime = fattr->atime;
-	else if (fattr_supported & NFS_ATTR_FATTR_ATIME) {
+	else if (fattr_supported & NFS_ATTR_FATTR_ATIME)
 		nfsi->cache_validity |=
 			save_cache_validity & NFS_INO_INVALID_ATIME;
-		cache_revalidated = false;
-	}
 
 	if (fattr->valid & NFS_ATTR_FATTR_MODE) {
 		if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO)) {
@@ -2134,11 +2132,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 				| NFS_INO_INVALID_ACL;
 			attr_changed = true;
 		}
-	} else if (fattr_supported & NFS_ATTR_FATTR_MODE) {
+	} else if (fattr_supported & NFS_ATTR_FATTR_MODE)
 		nfsi->cache_validity |=
 			save_cache_validity & NFS_INO_INVALID_MODE;
-		cache_revalidated = false;
-	}
 
 	if (fattr->valid & NFS_ATTR_FATTR_OWNER) {
 		if (!uid_eq(inode->i_uid, fattr->uid)) {
@@ -2147,11 +2143,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 			inode->i_uid = fattr->uid;
 			attr_changed = true;
 		}
-	} else if (fattr_supported & NFS_ATTR_FATTR_OWNER) {
+	} else if (fattr_supported & NFS_ATTR_FATTR_OWNER)
 		nfsi->cache_validity |=
 			save_cache_validity & NFS_INO_INVALID_OTHER;
-		cache_revalidated = false;
-	}
 
 	if (fattr->valid & NFS_ATTR_FATTR_GROUP) {
 		if (!gid_eq(inode->i_gid, fattr->gid)) {
@@ -2160,11 +2154,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 			inode->i_gid = fattr->gid;
 			attr_changed = true;
 		}
-	} else if (fattr_supported & NFS_ATTR_FATTR_GROUP) {
+	} else if (fattr_supported & NFS_ATTR_FATTR_GROUP)
 		nfsi->cache_validity |=
 			save_cache_validity & NFS_INO_INVALID_OTHER;
-		cache_revalidated = false;
-	}
 
 	if (fattr->valid & NFS_ATTR_FATTR_NLINK) {
 		if (inode->i_nlink != fattr->nlink) {
@@ -2173,30 +2165,24 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
 			set_nlink(inode, fattr->nlink);
 			attr_changed = true;
 		}
-	} else if (fattr_supported & NFS_ATTR_FATTR_NLINK) {
+	} else if (fattr_supported & NFS_ATTR_FATTR_NLINK)
 		nfsi->cache_validity |=
 			save_cache_validity & NFS_INO_INVALID_NLINK;
-		cache_revalidated = false;
-	}
 
 	if (fattr->valid & NFS_ATTR_FATTR_SPACE_USED) {
 		/*
 		 * report the blocks in 512byte units
 		 */
 		inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
-	} else if (fattr_supported & NFS_ATTR_FATTR_SPACE_USED) {
+	} else if (fattr_supported & NFS_ATTR_FATTR_SPACE_USED)
 		nfsi->cache_validity |=
 			save_cache_validity & NFS_INO_INVALID_BLOCKS;
-		cache_revalidated = false;
-	}
 
-	if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED) {
+	if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
 		inode->i_blocks = fattr->du.nfs2.blocks;
-	} else if (fattr_supported & NFS_ATTR_FATTR_BLOCKS_USED) {
+	else if (fattr_supported & NFS_ATTR_FATTR_BLOCKS_USED)
 		nfsi->cache_validity |=
 			save_cache_validity & NFS_INO_INVALID_BLOCKS;
-		cache_revalidated = false;
-	}
 
 	/* Update attrtimeo value if we're out of the unstable period */
 	if (attr_changed) {
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 5c4e23abc345..2299446b3b89 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -385,7 +385,7 @@ nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
 				break;
 
 			case NFS3_CREATE_UNCHECKED:
-				goto out;
+				goto out_release_acls;
 		}
 		nfs_fattr_init(data->res.dir_attr);
 		nfs_fattr_init(data->res.fattr);
@@ -751,7 +751,7 @@ nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
 		break;
 	default:
 		status = -EINVAL;
-		goto out;
+		goto out_release_acls;
 	}
 
 	d_alias = nfs3_do_create(dir, dentry, data);
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 543d916f79ab..3e344bec3647 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -45,6 +45,7 @@ enum nfs4_client_state {
 	NFS4CLNT_RECALL_RUNNING,
 	NFS4CLNT_RECALL_ANY_LAYOUT_READ,
 	NFS4CLNT_RECALL_ANY_LAYOUT_RW,
+	NFS4CLNT_DELEGRETURN_DELAYED,
 };
 
 #define NFS4_RENEW_TIMEOUT		0x01
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 42719384e25f..28431acd1230 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -197,8 +197,11 @@ void nfs40_shutdown_client(struct nfs_client *clp)
 
 struct nfs_client *nfs4_alloc_client(const struct nfs_client_initdata *cl_init)
 {
-	int err;
+	char buf[INET6_ADDRSTRLEN + 1];
+	const char *ip_addr = cl_init->ip_addr;
 	struct nfs_client *clp = nfs_alloc_client(cl_init);
+	int err;
+
 	if (IS_ERR(clp))
 		return clp;
 
@@ -222,6 +225,44 @@ struct nfs_client *nfs4_alloc_client(const struct nfs_client_initdata *cl_init)
 	init_waitqueue_head(&clp->cl_lock_waitq);
 #endif
 	INIT_LIST_HEAD(&clp->pending_cb_stateids);
+
+	if (cl_init->minorversion != 0)
+		__set_bit(NFS_CS_INFINITE_SLOTS, &clp->cl_flags);
+	__set_bit(NFS_CS_DISCRTRY, &clp->cl_flags);
+	__set_bit(NFS_CS_NO_RETRANS_TIMEOUT, &clp->cl_flags);
+
+	/*
+	 * Set up the connection to the server before we add add to the
+	 * global list.
+	 */
+	err = nfs_create_rpc_client(clp, cl_init, RPC_AUTH_GSS_KRB5I);
+	if (err == -EINVAL)
+		err = nfs_create_rpc_client(clp, cl_init, RPC_AUTH_UNIX);
+	if (err < 0)
+		goto error;
+
+	/* If no clientaddr= option was specified, find a usable cb address */
+	if (ip_addr == NULL) {
+		struct sockaddr_storage cb_addr;
+		struct sockaddr *sap = (struct sockaddr *)&cb_addr;
+
+		err = rpc_localaddr(clp->cl_rpcclient, sap, sizeof(cb_addr));
+		if (err < 0)
+			goto error;
+		err = rpc_ntop(sap, buf, sizeof(buf));
+		if (err < 0)
+			goto error;
+		ip_addr = (const char *)buf;
+	}
+	strlcpy(clp->cl_ipaddr, ip_addr, sizeof(clp->cl_ipaddr));
+
+	err = nfs_idmap_new(clp);
+	if (err < 0) {
+		dprintk("%s: failed to create idmapper. Error = %d\n",
+			__func__, err);
+		goto error;
+	}
+	__set_bit(NFS_CS_IDMAP, &clp->cl_res_state);
 	return clp;
 
 error:
@@ -372,8 +413,6 @@ static int nfs4_init_client_minor_version(struct nfs_client *clp)
 struct nfs_client *nfs4_init_client(struct nfs_client *clp,
 				    const struct nfs_client_initdata *cl_init)
 {
-	char buf[INET6_ADDRSTRLEN + 1];
-	const char *ip_addr = cl_init->ip_addr;
 	struct nfs_client *old;
 	int error;
 
@@ -381,43 +420,6 @@ struct nfs_client *nfs4_init_client(struct nfs_client *clp,
 		/* the client is initialised already */
 		return clp;
 
-	/* Check NFS protocol revision and initialize RPC op vector */
-	clp->rpc_ops = &nfs_v4_clientops;
-
-	if (clp->cl_minorversion != 0)
-		__set_bit(NFS_CS_INFINITE_SLOTS, &clp->cl_flags);
-	__set_bit(NFS_CS_DISCRTRY, &clp->cl_flags);
-	__set_bit(NFS_CS_NO_RETRANS_TIMEOUT, &clp->cl_flags);
-
-	error = nfs_create_rpc_client(clp, cl_init, RPC_AUTH_GSS_KRB5I);
-	if (error == -EINVAL)
-		error = nfs_create_rpc_client(clp, cl_init, RPC_AUTH_UNIX);
-	if (error < 0)
-		goto error;
-
-	/* If no clientaddr= option was specified, find a usable cb address */
-	if (ip_addr == NULL) {
-		struct sockaddr_storage cb_addr;
-		struct sockaddr *sap = (struct sockaddr *)&cb_addr;
-
-		error = rpc_localaddr(clp->cl_rpcclient, sap, sizeof(cb_addr));
-		if (error < 0)
-			goto error;
-		error = rpc_ntop(sap, buf, sizeof(buf));
-		if (error < 0)
-			goto error;
-		ip_addr = (const char *)buf;
-	}
-	strlcpy(clp->cl_ipaddr, ip_addr, sizeof(clp->cl_ipaddr));
-
-	error = nfs_idmap_new(clp);
-	if (error < 0) {
-		dprintk("%s: failed to create idmapper. Error = %d\n",
-			__func__, error);
-		goto error;
-	}
-	__set_bit(NFS_CS_IDMAP, &clp->cl_res_state);
-
 	error = nfs4_init_client_minor_version(clp);
 	if (error < 0)
 		goto error;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e653654c10bc..451d3d56d80c 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1205,12 +1205,12 @@ nfs4_update_changeattr_locked(struct inode *inode,
 	u64 change_attr = inode_peek_iversion_raw(inode);
 
 	cache_validity |= NFS_INO_INVALID_CTIME | NFS_INO_INVALID_MTIME;
+	if (S_ISDIR(inode->i_mode))
+		cache_validity |= NFS_INO_INVALID_DATA;
 
 	switch (NFS_SERVER(inode)->change_attr_type) {
 	case NFS4_CHANGE_TYPE_IS_UNDEFINED:
-		break;
-	case NFS4_CHANGE_TYPE_IS_TIME_METADATA:
-		if ((s64)(change_attr - cinfo->after) > 0)
+		if (cinfo->after == change_attr)
 			goto out;
 		break;
 	default:
@@ -1218,24 +1218,21 @@ nfs4_update_changeattr_locked(struct inode *inode,
 			goto out;
 	}
 
-	if (cinfo->atomic && cinfo->before == change_attr) {
-		nfsi->attrtimeo_timestamp = jiffies;
-	} else {
-		if (S_ISDIR(inode->i_mode)) {
-			cache_validity |= NFS_INO_INVALID_DATA;
+	inode_set_iversion_raw(inode, cinfo->after);
+	if (!cinfo->atomic || cinfo->before != change_attr) {
+		if (S_ISDIR(inode->i_mode))
 			nfs_force_lookup_revalidate(inode);
-		} else {
-			if (!NFS_PROTO(inode)->have_delegation(inode,
-							       FMODE_READ))
-				cache_validity |= NFS_INO_REVAL_PAGECACHE;
-		}
 
-		if (cinfo->before != change_attr)
-			cache_validity |= NFS_INO_INVALID_ACCESS |
-					  NFS_INO_INVALID_ACL |
-					  NFS_INO_INVALID_XATTR;
+		if (!NFS_PROTO(inode)->have_delegation(inode, FMODE_READ))
+			cache_validity |=
+				NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL |
+				NFS_INO_INVALID_SIZE | NFS_INO_INVALID_OTHER |
+				NFS_INO_INVALID_BLOCKS | NFS_INO_INVALID_NLINK |
+				NFS_INO_INVALID_MODE | NFS_INO_INVALID_XATTR |
+				NFS_INO_REVAL_PAGECACHE;
+		nfsi->attrtimeo = NFS_MINATTRTIMEO(inode);
 	}
-	inode_set_iversion_raw(inode, cinfo->after);
+	nfsi->attrtimeo_timestamp = jiffies;
 	nfsi->read_cache_jiffies = timestamp;
 	nfsi->attr_gencount = nfs_inc_attr_generation_counter();
 	nfsi->cache_validity &= ~NFS_INO_INVALID_CHANGE;
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 2c01ee805306..be960e47d7f6 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -966,10 +966,8 @@ void
 pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new,
 			const struct cred *cred, bool update_barrier)
 {
-	u32 oldseq, newseq, new_barrier = 0;
-
-	oldseq = be32_to_cpu(lo->plh_stateid.seqid);
-	newseq = be32_to_cpu(new->seqid);
+	u32 oldseq = be32_to_cpu(lo->plh_stateid.seqid);
+	u32 newseq = be32_to_cpu(new->seqid);
 
 	if (!pnfs_layout_is_valid(lo)) {
 		pnfs_set_layout_cred(lo, cred);
@@ -979,19 +977,21 @@ pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new,
 		clear_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags);
 		return;
 	}
-	if (pnfs_seqid_is_newer(newseq, oldseq)) {
+
+	if (pnfs_seqid_is_newer(newseq, oldseq))
 		nfs4_stateid_copy(&lo->plh_stateid, new);
-		/*
-		 * Because of wraparound, we want to keep the barrier
-		 * "close" to the current seqids.
-		 */
-		new_barrier = newseq - atomic_read(&lo->plh_outstanding);
-	}
-	if (update_barrier)
-		new_barrier = be32_to_cpu(new->seqid);
-	else if (new_barrier == 0)
+
+	if (update_barrier) {
+		pnfs_barrier_update(lo, newseq);
 		return;
-	pnfs_barrier_update(lo, new_barrier);
+	}
+	/*
+	 * Because of wraparound, we want to keep the barrier
+	 * "close" to the current seqids. We really only want to
+	 * get here from a layoutget call.
+	 */
+	if (atomic_read(&lo->plh_outstanding) == 1)
+		 pnfs_barrier_update(lo, be32_to_cpu(lo->plh_stateid.seqid));
 }
 
 static bool
@@ -2014,7 +2014,7 @@ pnfs_update_layout(struct inode *ino,
 	 * If the layout segment list is empty, but there are outstanding
 	 * layoutget calls, then they might be subject to a layoutrecall.
 	 */
-	if (list_empty(&lo->plh_segs) &&
+	if ((list_empty(&lo->plh_segs) || !pnfs_layout_is_valid(lo)) &&
 	    atomic_read(&lo->plh_outstanding) != 0) {
 		spin_unlock(&ino->i_lock);
 		lseg = ERR_PTR(wait_var_event_killable(&lo->plh_outstanding,
@@ -2390,11 +2390,13 @@ pnfs_layout_process(struct nfs4_layoutget *lgp)
 		goto out_forget;
 	}
 
+	if (!pnfs_layout_is_valid(lo) && !pnfs_is_first_layoutget(lo))
+		goto out_forget;
+
 	if (nfs4_stateid_match_other(&lo->plh_stateid, &res->stateid)) {
 		/* existing state ID, make sure the sequence number matches. */
 		if (pnfs_layout_stateid_blocked(lo, &res->stateid)) {
-			if (!pnfs_layout_is_valid(lo) &&
-			    pnfs_is_first_layoutget(lo))
+			if (!pnfs_layout_is_valid(lo))
 				lo->plh_barrier = 0;
 			dprintk("%s forget reply due to sequence\n", __func__);
 			goto out_forget;
@@ -2413,8 +2415,6 @@ pnfs_layout_process(struct nfs4_layoutget *lgp)
 		goto out_forget;
 	} else {
 		/* We have a completely new layout */
-		if (!pnfs_is_first_layoutget(lo))
-			goto out_forget;
 		pnfs_set_layout_stateid(lo, &res->stateid, lgp->cred, true);
 	}
 
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index 49d3389bd813..1c2c0d08614e 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -805,19 +805,16 @@ nfs4_pnfs_ds_add(struct list_head *dsaddrs, gfp_t gfp_flags)
 }
 EXPORT_SYMBOL_GPL(nfs4_pnfs_ds_add);
 
-static void nfs4_wait_ds_connect(struct nfs4_pnfs_ds *ds)
+static int nfs4_wait_ds_connect(struct nfs4_pnfs_ds *ds)
 {
 	might_sleep();
-	wait_on_bit(&ds->ds_state, NFS4DS_CONNECTING,
-			TASK_KILLABLE);
+	return wait_on_bit(&ds->ds_state, NFS4DS_CONNECTING, TASK_KILLABLE);
 }
 
 static void nfs4_clear_ds_conn_bit(struct nfs4_pnfs_ds *ds)
 {
 	smp_mb__before_atomic();
-	clear_bit(NFS4DS_CONNECTING, &ds->ds_state);
-	smp_mb__after_atomic();
-	wake_up_bit(&ds->ds_state, NFS4DS_CONNECTING);
+	clear_and_wake_up_bit(NFS4DS_CONNECTING, &ds->ds_state);
 }
 
 static struct nfs_client *(*get_v3_ds_connect)(
@@ -993,30 +990,33 @@ int nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,
 {
 	int err;
 
-again:
-	err = 0;
-	if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) {
-		if (version == 3) {
-			err = _nfs4_pnfs_v3_ds_connect(mds_srv, ds, timeo,
-						       retrans);
-		} else if (version == 4) {
-			err = _nfs4_pnfs_v4_ds_connect(mds_srv, ds, timeo,
-						       retrans, minor_version);
-		} else {
-			dprintk("%s: unsupported DS version %d\n", __func__,
-				version);
-			err = -EPROTONOSUPPORT;
-		}
+	do {
+		err = nfs4_wait_ds_connect(ds);
+		if (err || ds->ds_clp)
+			goto out;
+		if (nfs4_test_deviceid_unavailable(devid))
+			return -ENODEV;
+	} while (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) != 0);
 
-		nfs4_clear_ds_conn_bit(ds);
-	} else {
-		nfs4_wait_ds_connect(ds);
+	if (ds->ds_clp)
+		goto connect_done;
 
-		/* what was waited on didn't connect AND didn't mark unavail */
-		if (!ds->ds_clp && !nfs4_test_deviceid_unavailable(devid))
-			goto again;
+	switch (version) {
+	case 3:
+		err = _nfs4_pnfs_v3_ds_connect(mds_srv, ds, timeo, retrans);
+		break;
+	case 4:
+		err = _nfs4_pnfs_v4_ds_connect(mds_srv, ds, timeo, retrans,
+					       minor_version);
+		break;
+	default:
+		dprintk("%s: unsupported DS version %d\n", __func__, version);
+		err = -EPROTONOSUPPORT;
 	}
 
+connect_done:
+	nfs4_clear_ds_conn_bit(ds);
+out:
 	/*
 	 * At this point the ds->ds_clp should be ready, but it might have
 	 * hit an error.
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index d2b6dce1f99f..4ca50b70a7b0 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -363,13 +363,13 @@ int nfs_readpage(struct file *file, struct page *page)
 	} else
 		desc.ctx = get_nfs_open_context(nfs_file_open_context(file));
 
+	xchg(&desc.ctx->error, 0);
 	if (!IS_SYNC(inode)) {
 		ret = nfs_readpage_from_fscache(desc.ctx, inode, page);
 		if (ret == 0)
-			goto out;
+			goto out_wait;
 	}
 
-	xchg(&desc.ctx->error, 0);
 	nfs_pageio_init_read(&desc.pgio, inode, false,
 			     &nfs_async_read_completion_ops);
 
@@ -379,6 +379,7 @@ int nfs_readpage(struct file *file, struct page *page)
 		nfs_pageio_complete_read(&desc.pgio, inode);
 
 	ret = desc.pgio.pg_error < 0 ? desc.pgio.pg_error : 0;
+out_wait:
 	if (!ret) {
 		ret = wait_on_page_locked_killable(page);
 		if (!PageUptodate(page) && !ret)
diff --git a/fs/nfsd/nfs3acl.c b/fs/nfsd/nfs3acl.c
index a1591feeea22..5dfe7644a517 100644
--- a/fs/nfsd/nfs3acl.c
+++ b/fs/nfsd/nfs3acl.c
@@ -172,7 +172,7 @@ static int nfs3svc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p)
 	struct nfsd3_getaclres *resp = rqstp->rq_resp;
 	struct dentry *dentry = resp->fh.fh_dentry;
 	struct kvec *head = rqstp->rq_res.head;
-	struct inode *inode = d_inode(dentry);
+	struct inode *inode;
 	unsigned int base;
 	int n;
 	int w;
@@ -181,6 +181,7 @@ static int nfs3svc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p)
 		return 0;
 	switch (resp->status) {
 	case nfs_ok:
+		inode = d_inode(dentry);
 		if (!svcxdr_encode_post_op_attr(rqstp, xdr, &resp->fh))
 			return 0;
 		if (xdr_stream_encode_u32(xdr, resp->mask) < 0)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index b517a8794400..90e81f6491ff 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2816,14 +2816,11 @@ move_to_confirmed(struct nfs4_client *clp)
 
 	lockdep_assert_held(&nn->client_lock);
 
-	dprintk("NFSD: move_to_confirm nfs4_client %p\n", clp);
 	list_move(&clp->cl_idhash, &nn->conf_id_hashtbl[idhashval]);
 	rb_erase(&clp->cl_namenode, &nn->unconf_name_tree);
 	add_clp_to_name_tree(clp, &nn->conf_name_tree);
-	if (!test_and_set_bit(NFSD4_CLIENT_CONFIRMED, &clp->cl_flags) &&
-	    clp->cl_nfsd_dentry &&
-	    clp->cl_nfsd_info_dentry)
-		fsnotify_dentry(clp->cl_nfsd_info_dentry, FS_MODIFY);
+	set_bit(NFSD4_CLIENT_CONFIRMED, &clp->cl_flags);
+	trace_nfsd_clid_confirmed(&clp->cl_clientid);
 	renew_client_locked(clp);
 }
 
@@ -3471,6 +3468,8 @@ nfsd4_create_session(struct svc_rqst *rqstp,
 	/* cache solo and embedded create sessions under the client_lock */
 	nfsd4_cache_create_session(cr_ses, cs_slot, status);
 	spin_unlock(&nn->client_lock);
+	if (conf == unconf)
+		fsnotify_dentry(conf->cl_nfsd_info_dentry, FS_MODIFY);
 	/* init connection and backchannel */
 	nfsd4_init_conn(rqstp, conn, new);
 	nfsd4_put_session(new);
@@ -4071,6 +4070,8 @@ nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
 	}
 	get_client_locked(conf);
 	spin_unlock(&nn->client_lock);
+	if (conf == unconf)
+		fsnotify_dentry(conf->cl_nfsd_info_dentry, FS_MODIFY);
 	nfsd4_probe_callback(conf);
 	spin_lock(&nn->client_lock);
 	put_client_renew_locked(conf);
@@ -7229,7 +7230,6 @@ nfs4_client_to_reclaim(struct xdr_netobj name, struct xdr_netobj princhash,
 	unsigned int strhashval;
 	struct nfs4_client_reclaim *crp;
 
-	trace_nfsd_clid_reclaim(nn, name.len, name.data);
 	crp = alloc_reclaim();
 	if (crp) {
 		strhashval = clientstr_hashval(name);
@@ -7279,8 +7279,6 @@ nfsd4_find_reclaim_client(struct xdr_netobj name, struct nfsd_net *nn)
 	unsigned int strhashval;
 	struct nfs4_client_reclaim *crp = NULL;
 
-	trace_nfsd_clid_find(nn, name.len, name.data);
-
 	strhashval = clientstr_hashval(name);
 	list_for_each_entry(crp, &nn->reclaim_str_hashtbl[strhashval], cr_strhash) {
 		if (compare_blob(&crp->cr_name, &name) == 0) {
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index 27a93ebd1d80..f3961506fe16 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -408,7 +408,6 @@ TRACE_EVENT(nfsd_dirent,
 		__entry->ino = ino;
 		__entry->len = namlen;
 		memcpy(__get_str(name), name, namlen);
-		__assign_str(name, name);
 	),
 	TP_printk("fh_hash=0x%08x ino=%llu name=%.*s",
 		__entry->fh_hash, __entry->ino,
@@ -511,6 +510,7 @@ DEFINE_EVENT(nfsd_clientid_class, nfsd_clid_##name, \
 	TP_PROTO(const clientid_t *clid), \
 	TP_ARGS(clid))
 
+DEFINE_CLIENTID_EVENT(confirmed);
 DEFINE_CLIENTID_EVENT(expired);
 DEFINE_CLIENTID_EVENT(purged);
 DEFINE_CLIENTID_EVENT(renew);
@@ -536,35 +536,6 @@ DEFINE_EVENT(nfsd_net_class, nfsd_##name, \
 DEFINE_NET_EVENT(grace_start);
 DEFINE_NET_EVENT(grace_complete);
 
-DECLARE_EVENT_CLASS(nfsd_clid_class,
-	TP_PROTO(const struct nfsd_net *nn,
-		 unsigned int namelen,
-		 const unsigned char *namedata),
-	TP_ARGS(nn, namelen, namedata),
-	TP_STRUCT__entry(
-		__field(unsigned long long, boot_time)
-		__field(unsigned int, namelen)
-		__dynamic_array(unsigned char,  name, namelen)
-	),
-	TP_fast_assign(
-		__entry->boot_time = nn->boot_time;
-		__entry->namelen = namelen;
-		memcpy(__get_dynamic_array(name), namedata, namelen);
-	),
-	TP_printk("boot_time=%16llx nfs4_clientid=%.*s",
-		__entry->boot_time, __entry->namelen, __get_str(name))
-)
-
-#define DEFINE_CLID_EVENT(name) \
-DEFINE_EVENT(nfsd_clid_class, nfsd_clid_##name, \
-	TP_PROTO(const struct nfsd_net *nn, \
-		 unsigned int namelen, \
-		 const unsigned char *namedata), \
-	TP_ARGS(nn, namelen, namedata))
-
-DEFINE_CLID_EVENT(find);
-DEFINE_CLID_EVENT(reclaim);
-
 TRACE_EVENT(nfsd_clid_inuse_err,
 	TP_PROTO(const struct nfs4_client *clp),
 	TP_ARGS(clp),
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 15adf1f6ab21..46485c04740d 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1123,6 +1123,19 @@ nfsd_write(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t offset,
 }
 
 #ifdef CONFIG_NFSD_V3
+static int
+nfsd_filemap_write_and_wait_range(struct nfsd_file *nf, loff_t offset,
+				  loff_t end)
+{
+	struct address_space *mapping = nf->nf_file->f_mapping;
+	int ret = filemap_fdatawrite_range(mapping, offset, end);
+
+	if (ret)
+		return ret;
+	filemap_fdatawait_range_keep_errors(mapping, offset, end);
+	return 0;
+}
+
 /*
  * Commit all pending writes to stable storage.
  *
@@ -1153,10 +1166,11 @@ nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp,
 	if (err)
 		goto out;
 	if (EX_ISSYNC(fhp->fh_export)) {
-		int err2;
+		int err2 = nfsd_filemap_write_and_wait_range(nf, offset, end);
 
 		down_write(&nf->nf_rwsem);
-		err2 = vfs_fsync_range(nf->nf_file, offset, end, 0);
+		if (!err2)
+			err2 = vfs_fsync_range(nf->nf_file, offset, end, 0);
 		switch (err2) {
 		case 0:
 			nfsd_copy_boot_verifier(verf, net_generic(nf->nf_net,
diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c
index ee5efdc35cc1..2f2e430461b2 100644
--- a/fs/orangefs/super.c
+++ b/fs/orangefs/super.c
@@ -209,7 +209,7 @@ static int orangefs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_bavail = (sector_t) new_op->downcall.resp.statfs.blocks_avail;
 	buf->f_files = (sector_t) new_op->downcall.resp.statfs.files_total;
 	buf->f_ffree = (sector_t) new_op->downcall.resp.statfs.files_avail;
-	buf->f_frsize = sb->s_blocksize;
+	buf->f_frsize = 0;
 
 out_op_release:
 	op_release(new_op);
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index 5bd8482e660a..7c61d0ec0159 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -1337,7 +1337,10 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry,
 			goto out_release;
 		}
 
+		spin_lock(&whiteout->i_lock);
 		whiteout->i_state |= I_LINKABLE;
+		spin_unlock(&whiteout->i_lock);
+
 		whiteout_ui = ubifs_inode(whiteout);
 		whiteout_ui->data = dev;
 		whiteout_ui->data_len = ubifs_encode_dev(dev, MKDEV(0, 0));
@@ -1430,7 +1433,11 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry,
 
 		inc_nlink(whiteout);
 		mark_inode_dirty(whiteout);
+
+		spin_lock(&whiteout->i_lock);
 		whiteout->i_state &= ~I_LINKABLE;
+		spin_unlock(&whiteout->i_lock);
+
 		iput(whiteout);
 	}
 
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index 2857e64d673d..230717384a38 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -882,6 +882,7 @@ int ubifs_jnl_write_inode(struct ubifs_info *c, const struct inode *inode)
 		struct ubifs_dent_node *xent, *pxent = NULL;
 
 		if (ui->xattr_cnt > ubifs_xattr_max_cnt(c)) {
+			err = -EPERM;
 			ubifs_err(c, "Cannot delete inode, it has too much xattrs!");
 			goto out_release;
 		}
diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index adbe76b203e2..49b0ac8b6fd3 100644
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -13,6 +13,12 @@
 /* all clang versions usable with the kernel support KASAN ABI version 5 */
 #define KASAN_ABI_VERSION 5
 
+/*
+ * Note: Checking __has_feature(*_sanitizer) is only true if the feature is
+ * enabled. Therefore it is not required to additionally check defined(CONFIG_*)
+ * to avoid adding redundant attributes in other configurations.
+ */
+
 #if __has_feature(address_sanitizer) || __has_feature(hwaddress_sanitizer)
 /* Emulate GCC's __SANITIZE_ADDRESS__ flag */
 #define __SANITIZE_ADDRESS__
@@ -45,6 +51,17 @@
 #define __no_sanitize_undefined
 #endif
 
+/*
+ * Support for __has_feature(coverage_sanitizer) was added in Clang 13 together
+ * with no_sanitize("coverage"). Prior versions of Clang support coverage
+ * instrumentation, but cannot be queried for support by the preprocessor.
+ */
+#if __has_feature(coverage_sanitizer)
+#define __no_sanitize_coverage __attribute__((no_sanitize("coverage")))
+#else
+#define __no_sanitize_coverage
+#endif
+
 /*
  * Not all versions of clang implement the type-generic versions
  * of the builtin overflow checkers. Fortunately, clang implements
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 5d97ef738a57..cb9217fc60af 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -122,6 +122,12 @@
 #define __no_sanitize_undefined
 #endif
 
+#if defined(CONFIG_KCOV) && __has_attribute(__no_sanitize_coverage__)
+#define __no_sanitize_coverage __attribute__((no_sanitize_coverage))
+#else
+#define __no_sanitize_coverage
+#endif
+
 #if GCC_VERSION >= 50100
 #define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1
 #endif
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index d29bda7f6ebd..cc2bee7f0977 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -210,7 +210,7 @@ struct ftrace_likely_data {
 /* Section for code which can't be instrumented at all */
 #define noinstr								\
 	noinline notrace __attribute((__section__(".noinstr.text")))	\
-	__no_kcsan __no_sanitize_address
+	__no_kcsan __no_sanitize_address __no_sanitize_coverage
 
 #endif /* __KERNEL__ */
 
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index ffba254d2098..ce6474594872 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -84,6 +84,7 @@ struct nfs_open_context {
 #define NFS_CONTEXT_RESEND_WRITES	(1)
 #define NFS_CONTEXT_BAD			(2)
 #define NFS_CONTEXT_UNLOCK	(3)
+#define NFS_CONTEXT_FILE_OPEN		(4)
 	int error;
 
 	struct list_head list;
diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h
index fbdadd4d8377..adea5a4771cf 100644
--- a/include/linux/pci-ecam.h
+++ b/include/linux/pci-ecam.h
@@ -55,6 +55,7 @@ struct pci_ecam_ops {
 struct pci_config_window {
 	struct resource			res;
 	struct resource			busr;
+	unsigned int			bus_shift;
 	void				*priv;
 	const struct pci_ecam_ops	*ops;
 	union {
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 9455476c5ba2..1199ffd305d1 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -315,7 +315,7 @@ static inline int rcu_read_lock_any_held(void)
 #define RCU_LOCKDEP_WARN(c, s)						\
 	do {								\
 		static bool __section(".data.unlikely") __warned;	\
-		if (debug_lockdep_rcu_enabled() && !__warned && (c)) {	\
+		if ((c) && debug_lockdep_rcu_enabled() && !__warned) {	\
 			__warned = true;				\
 			lockdep_rcu_suspicious(__FILE__, __LINE__, s);	\
 		}							\
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index 7f4278fa21fe..0d7fec79d28f 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -538,6 +538,17 @@ static inline int kill_cad_pid(int sig, int priv)
 #define SEND_SIG_NOINFO ((struct kernel_siginfo *) 0)
 #define SEND_SIG_PRIV	((struct kernel_siginfo *) 1)
 
+static inline int __on_sig_stack(unsigned long sp)
+{
+#ifdef CONFIG_STACK_GROWSUP
+	return sp >= current->sas_ss_sp &&
+		sp - current->sas_ss_sp < current->sas_ss_size;
+#else
+	return sp > current->sas_ss_sp &&
+		sp - current->sas_ss_sp <= current->sas_ss_size;
+#endif
+}
+
 /*
  * True if we are on the alternate signal stack.
  */
@@ -555,13 +566,7 @@ static inline int on_sig_stack(unsigned long sp)
 	if (current->sas_ss_flags & SS_AUTODISARM)
 		return 0;
 
-#ifdef CONFIG_STACK_GROWSUP
-	return sp >= current->sas_ss_sp &&
-		sp - current->sas_ss_sp < current->sas_ss_size;
-#else
-	return sp > current->sas_ss_sp &&
-		sp - current->sas_ss_sp <= current->sas_ss_size;
-#endif
+	return __on_sig_stack(sp);
 }
 
 static inline int sas_ss_flags(unsigned long sp)
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index ced07f8fde87..5d93d9949653 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -624,7 +624,6 @@ struct sdw_slave_ops {
 	int (*port_prep)(struct sdw_slave *slave,
 			 struct sdw_prepare_ch *prepare_ch,
 			 enum sdw_port_prep_ops pre_ops);
-	int (*get_clk_stop_mode)(struct sdw_slave *slave);
 	int (*clk_stop)(struct sdw_slave *slave,
 			enum sdw_clk_stop_mode mode,
 			enum sdw_clk_stop_type type);
@@ -675,7 +674,6 @@ struct sdw_slave {
 	struct list_head node;
 	struct completion port_ready[SDW_MAX_PORTS];
 	unsigned int m_port_map[SDW_MAX_PORTS];
-	enum sdw_clk_stop_mode curr_clk_stop_mode;
 	u16 dev_num;
 	u16 dev_num_sticky;
 	bool probed;
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 091f284bd6e9..2bb452a8f134 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -195,12 +195,6 @@ struct iscsi_conn {
 	unsigned long		suspend_tx;	/* suspend Tx */
 	unsigned long		suspend_rx;	/* suspend Rx */
 
-	/* abort */
-	wait_queue_head_t	ehwait;		/* used in eh_abort() */
-	struct iscsi_tm		tmhdr;
-	struct timer_list	tmf_timer;
-	int			tmf_state;	/* see TMF_INITIAL, etc.*/
-
 	/* negotiated params */
 	unsigned		max_recv_dlength; /* initiator_max_recv_dsl*/
 	unsigned		max_xmit_dlength; /* target_max_recv_dsl */
@@ -270,6 +264,11 @@ struct iscsi_session {
 	 * and recv lock.
 	 */
 	struct mutex		eh_mutex;
+	/* abort */
+	wait_queue_head_t	ehwait;		/* used in eh_abort() */
+	struct iscsi_tm		tmhdr;
+	struct timer_list	tmf_timer;
+	int			tmf_state;	/* see TMF_INITIAL, etc.*/
 
 	/* iSCSI session-wide sequencing */
 	uint32_t		cmdsn;
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 3974329d4d02..c5d7810fd792 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -443,6 +443,8 @@ extern void iscsi_remove_session(struct iscsi_cls_session *session);
 extern void iscsi_free_session(struct iscsi_cls_session *session);
 extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess,
 						int dd_size, uint32_t cid);
+extern void iscsi_put_conn(struct iscsi_cls_conn *conn);
+extern void iscsi_get_conn(struct iscsi_cls_conn *conn);
 extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn);
 extern void iscsi_unblock_session(struct iscsi_cls_session *session);
 extern void iscsi_block_session(struct iscsi_cls_session *session);
diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index 271ae90a9bb7..36ed092227fa 100644
--- a/include/uapi/linux/fuse.h
+++ b/include/uapi/linux/fuse.h
@@ -181,6 +181,9 @@
  *  - add FUSE_OPEN_KILL_SUIDGID
  *  - extend fuse_setxattr_in, add FUSE_SETXATTR_EXT
  *  - add FUSE_SETXATTR_ACL_KILL_SGID
+ *
+ *  7.34
+ *  - add FUSE_SYNCFS
  */
 
 #ifndef _LINUX_FUSE_H
@@ -216,7 +219,7 @@
 #define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 33
+#define FUSE_KERNEL_MINOR_VERSION 34
 
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1
@@ -509,6 +512,7 @@ enum fuse_opcode {
 	FUSE_COPY_FILE_RANGE	= 47,
 	FUSE_SETUPMAPPING	= 48,
 	FUSE_REMOVEMAPPING	= 49,
+	FUSE_SYNCFS		= 50,
 
 	/* CUSE specific operations */
 	CUSE_INIT		= 4096,
@@ -971,4 +975,8 @@ struct fuse_removemapping_one {
 #define FUSE_REMOVEMAPPING_MAX_ENTRY   \
 		(PAGE_SIZE / sizeof(struct fuse_removemapping_one))
 
+struct fuse_syncfs_in {
+	uint64_t	padding;
+};
+
 #endif /* _LINUX_FUSE_H */
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index 1f274d7fc934..d189eff4c92f 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -912,6 +912,8 @@ int cgroup1_parse_param(struct fs_context *fc, struct fs_parameter *param)
 	opt = fs_parse(fc, cgroup1_fs_parameters, param, &result);
 	if (opt == -ENOPARAM) {
 		if (strcmp(param->key, "source") == 0) {
+			if (param->type != fs_value_is_string)
+				return invalf(fc, "Non-string source");
 			if (fc->source)
 				return invalf(fc, "Multiple sources not supported");
 			fc->source = param->string;
diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index ba39fbb1f8e7..af520ca26360 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -316,14 +316,16 @@ static int addr_conflict(struct jump_entry *entry, void *start, void *end)
 }
 
 static int __jump_label_text_reserved(struct jump_entry *iter_start,
-		struct jump_entry *iter_stop, void *start, void *end)
+		struct jump_entry *iter_stop, void *start, void *end, bool init)
 {
 	struct jump_entry *iter;
 
 	iter = iter_start;
 	while (iter < iter_stop) {
-		if (addr_conflict(iter, start, end))
-			return 1;
+		if (init || !jump_entry_is_init(iter)) {
+			if (addr_conflict(iter, start, end))
+				return 1;
+		}
 		iter++;
 	}
 
@@ -561,7 +563,7 @@ static int __jump_label_mod_text_reserved(void *start, void *end)
 
 	ret = __jump_label_text_reserved(mod->jump_entries,
 				mod->jump_entries + mod->num_jump_entries,
-				start, end);
+				start, end, mod->state == MODULE_STATE_COMING);
 
 	module_put(mod);
 
@@ -786,8 +788,9 @@ early_initcall(jump_label_init_module);
  */
 int jump_label_text_reserved(void *start, void *end)
 {
+	bool init = system_state < SYSTEM_RUNNING;
 	int ret = __jump_label_text_reserved(__start___jump_table,
-			__stop___jump_table, start, end);
+			__stop___jump_table, start, end, init);
 
 	if (ret)
 		return ret;
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 745f08fdd7a6..c6b4c66b8fa2 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -35,6 +35,7 @@
 #include <linux/ftrace.h>
 #include <linux/cpu.h>
 #include <linux/jump_label.h>
+#include <linux/static_call.h>
 #include <linux/perf_event.h>
 
 #include <asm/sections.h>
@@ -1569,6 +1570,7 @@ static int check_kprobe_address_safe(struct kprobe *p,
 	if (!kernel_text_address((unsigned long) p->addr) ||
 	    within_kprobe_blacklist((unsigned long) p->addr) ||
 	    jump_label_text_reserved(p->addr, p->addr) ||
+	    static_call_text_reserved(p->addr, p->addr) ||
 	    find_bug((unsigned long)p->addr)) {
 		ret = -EINVAL;
 		goto out;
diff --git a/kernel/module.c b/kernel/module.c
index 927d46cb8eb9..0b850188419a 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -4425,9 +4425,10 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
 			ret = fn(data, kallsyms_symbol_name(kallsyms, i),
 				 mod, kallsyms_symbol_value(sym));
 			if (ret != 0)
-				break;
+				goto out;
 		}
 	}
+out:
 	mutex_unlock(&module_mutex);
 	return ret;
 }
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index bf0827d4b659..cfd06fb5ba6d 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -308,6 +308,8 @@ static inline void rcu_init_levelspread(int *levelspread, const int *levelcnt)
 	}
 }
 
+extern void rcu_init_geometry(void);
+
 /* Returns a pointer to the first leaf rcu_node structure. */
 #define rcu_first_leaf_node() (rcu_state.level[rcu_num_lvls - 1])
 
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index e26547b34ad3..072e47288f1f 100644
--- a/kernel/rcu/srcutree.c
+++ b/kernel/rcu/srcutree.c
@@ -90,6 +90,9 @@ static void init_srcu_struct_nodes(struct srcu_struct *ssp, bool is_static)
 	struct srcu_node *snp;
 	struct srcu_node *snp_first;
 
+	/* Initialize geometry if it has not already been initialized. */
+	rcu_init_geometry();
+
 	/* Work out the overall tree geometry. */
 	ssp->level[0] = &ssp->node[0];
 	for (i = 1; i < rcu_num_lvls; i++)
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 9a1396a70c52..afbb0a337c32 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -4582,11 +4582,25 @@ static void __init rcu_init_one(void)
  * replace the definitions in tree.h because those are needed to size
  * the ->node array in the rcu_state structure.
  */
-static void __init rcu_init_geometry(void)
+void rcu_init_geometry(void)
 {
 	ulong d;
 	int i;
+	static unsigned long old_nr_cpu_ids;
 	int rcu_capacity[RCU_NUM_LVLS];
+	static bool initialized;
+
+	if (initialized) {
+		/*
+		 * Warn if setup_nr_cpu_ids() had not yet been invoked,
+		 * unless nr_cpus_ids == NR_CPUS, in which case who cares?
+		 */
+		WARN_ON_ONCE(old_nr_cpu_ids != nr_cpu_ids);
+		return;
+	}
+
+	old_nr_cpu_ids = nr_cpu_ids;
+	initialized = true;
 
 	/*
 	 * Initialize any unspecified boot parameters.
diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c
index b95ae86c40a7..dd94a602a6d2 100644
--- a/kernel/rcu/update.c
+++ b/kernel/rcu/update.c
@@ -277,7 +277,7 @@ EXPORT_SYMBOL_GPL(rcu_callback_map);
 
 noinstr int notrace debug_lockdep_rcu_enabled(void)
 {
-	return rcu_scheduler_active != RCU_SCHEDULER_INACTIVE && debug_locks &&
+	return rcu_scheduler_active != RCU_SCHEDULER_INACTIVE && READ_ONCE(debug_locks) &&
 	       current->lockdep_recursion == 0;
 }
 EXPORT_SYMBOL_GPL(debug_lockdep_rcu_enabled);
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index a189bec13729..35f7efed75c4 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2539,20 +2539,27 @@ static __always_inline
 unsigned long uclamp_rq_util_with(struct rq *rq, unsigned long util,
 				  struct task_struct *p)
 {
-	unsigned long min_util;
-	unsigned long max_util;
+	unsigned long min_util = 0;
+	unsigned long max_util = 0;
 
 	if (!static_branch_likely(&sched_uclamp_used))
 		return util;
 
-	min_util = READ_ONCE(rq->uclamp[UCLAMP_MIN].value);
-	max_util = READ_ONCE(rq->uclamp[UCLAMP_MAX].value);
-
 	if (p) {
-		min_util = max(min_util, uclamp_eff_value(p, UCLAMP_MIN));
-		max_util = max(max_util, uclamp_eff_value(p, UCLAMP_MAX));
+		min_util = uclamp_eff_value(p, UCLAMP_MIN);
+		max_util = uclamp_eff_value(p, UCLAMP_MAX);
+
+		/*
+		 * Ignore last runnable task's max clamp, as this task will
+		 * reset it. Similarly, no need to read the rq's min clamp.
+		 */
+		if (rq->uclamp_flags & UCLAMP_FLAG_IDLE)
+			goto out;
 	}
 
+	min_util = max_t(unsigned long, min_util, READ_ONCE(rq->uclamp[UCLAMP_MIN].value));
+	max_util = max_t(unsigned long, max_util, READ_ONCE(rq->uclamp[UCLAMP_MAX].value));
+out:
 	/*
 	 * Since CPU's {min,max}_util clamps are MAX aggregated considering
 	 * RUNNABLE tasks with _different_ clamps, we can end up with an
diff --git a/kernel/static_call.c b/kernel/static_call.c
index 723fcc9d20db..43ba0b1e0edb 100644
--- a/kernel/static_call.c
+++ b/kernel/static_call.c
@@ -292,13 +292,15 @@ static int addr_conflict(struct static_call_site *site, void *start, void *end)
 
 static int __static_call_text_reserved(struct static_call_site *iter_start,
 				       struct static_call_site *iter_stop,
-				       void *start, void *end)
+				       void *start, void *end, bool init)
 {
 	struct static_call_site *iter = iter_start;
 
 	while (iter < iter_stop) {
-		if (addr_conflict(iter, start, end))
-			return 1;
+		if (init || !static_call_is_init(iter)) {
+			if (addr_conflict(iter, start, end))
+				return 1;
+		}
 		iter++;
 	}
 
@@ -324,7 +326,7 @@ static int __static_call_mod_text_reserved(void *start, void *end)
 
 	ret = __static_call_text_reserved(mod->static_call_sites,
 			mod->static_call_sites + mod->num_static_call_sites,
-			start, end);
+			start, end, mod->state == MODULE_STATE_COMING);
 
 	module_put(mod);
 
@@ -459,8 +461,9 @@ static inline int __static_call_mod_text_reserved(void *start, void *end)
 
 int static_call_text_reserved(void *start, void *end)
 {
+	bool init = system_state < SYSTEM_RUNNING;
 	int ret = __static_call_text_reserved(__start_static_call_sites,
-			__stop_static_call_sites, start, end);
+			__stop_static_call_sites, start, end, init);
 
 	if (ret)
 		return ret;
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 797e096bc1f3..53b4ab9ea305 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -1689,7 +1689,9 @@ static struct hist_field *create_hist_field(struct hist_trigger_data *hist_data,
 	if (WARN_ON_ONCE(!field))
 		goto out;
 
-	if (is_string_field(field)) {
+	/* Pointers to strings are just pointers and dangerous to dereference */
+	if (is_string_field(field) &&
+	    (field->filter_type != FILTER_PTR_STRING)) {
 		flags |= HIST_FIELD_FL_STRING;
 
 		hist_field->size = MAX_FILTER_STR_VAL;
@@ -4495,8 +4497,6 @@ static inline void add_to_key(char *compound_key, void *key,
 		field = key_field->field;
 		if (field->filter_type == FILTER_DYN_STRING)
 			size = *(u32 *)(rec + field->offset) >> 16;
-		else if (field->filter_type == FILTER_PTR_STRING)
-			size = strlen(key);
 		else if (field->filter_type == FILTER_STATIC_STRING)
 			size = field->size;
 
diff --git a/lib/decompress_unlz4.c b/lib/decompress_unlz4.c
index c0cfcfd486be..e6327391b6b6 100644
--- a/lib/decompress_unlz4.c
+++ b/lib/decompress_unlz4.c
@@ -112,6 +112,9 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 				error("data corrupted");
 				goto exit_2;
 			}
+		} else if (size < 4) {
+			/* empty or end-of-file */
+			goto exit_3;
 		}
 
 		chunksize = get_unaligned_le32(inp);
@@ -125,6 +128,10 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 			continue;
 		}
 
+		if (!fill && chunksize == 0) {
+			/* empty or end-of-file */
+			goto exit_3;
+		}
 
 		if (posp)
 			*posp += 4;
@@ -184,6 +191,7 @@ STATIC inline int INIT unlz4(u8 *input, long in_len,
 		}
 	}
 
+exit_3:
 	ret = 0;
 exit_2:
 	if (!input)
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 9eb7c31688cc..459c33c26bea 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -1117,8 +1117,6 @@ static inline void pipe_truncate(struct iov_iter *i)
 static void pipe_advance(struct iov_iter *i, size_t size)
 {
 	struct pipe_inode_info *pipe = i->pipe;
-	if (unlikely(i->count < size))
-		size = i->count;
 	if (size) {
 		struct pipe_buffer *buf;
 		unsigned int p_mask = pipe->ring_size - 1;
@@ -1159,6 +1157,8 @@ static void iov_iter_bvec_advance(struct iov_iter *i, size_t size)
 
 void iov_iter_advance(struct iov_iter *i, size_t size)
 {
+	if (unlikely(i->count < size))
+		size = i->count;
 	if (unlikely(iov_iter_is_pipe(i))) {
 		pipe_advance(i, size);
 		return;
@@ -1168,7 +1168,6 @@ void iov_iter_advance(struct iov_iter *i, size_t size)
 		return;
 	}
 	if (unlikely(iov_iter_is_xarray(i))) {
-		size = min(size, i->count);
 		i->iov_offset += size;
 		i->count -= size;
 		return;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 65e0e8642ded..8363f737d5ad 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5216,8 +5216,9 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
 			continue;
 		}
 
-		refs = min3(pages_per_huge_page(h) - pfn_offset,
-			    (vma->vm_end - vaddr) >> PAGE_SHIFT, remainder);
+		/* vaddr may not be aligned to PAGE_SIZE */
+		refs = min3(pages_per_huge_page(h) - pfn_offset, remainder,
+		    (vma->vm_end - ALIGN_DOWN(vaddr, PAGE_SIZE)) >> PAGE_SHIFT);
 
 		if (pages || vmas)
 			record_subpages_vmas(mem_map_offset(page, pfn_offset),
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 226bb05c3b42..869f1608c98a 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -3087,7 +3087,9 @@ static void br_multicast_pim(struct net_bridge *br,
 	    pim_hdr_type(pimhdr) != PIM_TYPE_HELLO)
 		return;
 
+	spin_lock(&br->multicast_lock);
 	br_multicast_mark_router(br, port);
+	spin_unlock(&br->multicast_lock);
 }
 
 static int br_ip4_multicast_mrd_rcv(struct net_bridge *br,
@@ -3098,7 +3100,9 @@ static int br_ip4_multicast_mrd_rcv(struct net_bridge *br,
 	    igmp_hdr(skb)->type != IGMP_MRDISC_ADV)
 		return -ENOMSG;
 
+	spin_lock(&br->multicast_lock);
 	br_multicast_mark_router(br, port);
+	spin_unlock(&br->multicast_lock);
 
 	return 0;
 }
@@ -3166,7 +3170,9 @@ static void br_ip6_multicast_mrd_rcv(struct net_bridge *br,
 	if (icmp6_hdr(skb)->icmp6_type != ICMPV6_MRDISC_ADV)
 		return;
 
+	spin_lock(&br->multicast_lock);
 	br_multicast_mark_router(br, port);
+	spin_unlock(&br->multicast_lock);
 }
 
 static int br_multicast_ipv6_rcv(struct net_bridge *br,
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 3964ff74ee51..ca10ba2626f2 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -1230,10 +1230,9 @@ static unsigned int xdr_set_page_base(struct xdr_stream *xdr,
 	void *kaddr;
 
 	maxlen = xdr->buf->page_len;
-	if (base >= maxlen) {
-		base = maxlen;
-		maxlen = 0;
-	} else
+	if (base >= maxlen)
+		return 0;
+	else
 		maxlen -= base;
 	if (len > maxlen)
 		len = maxlen;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 316d04945587..3228b7a1836a 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1689,7 +1689,8 @@ static int xs_bind(struct sock_xprt *transport, struct socket *sock)
 		err = kernel_bind(sock, (struct sockaddr *)&myaddr,
 				transport->xprt.addrlen);
 		if (err == 0) {
-			transport->srcport = port;
+			if (transport->xprt.reuseport)
+				transport->srcport = port;
 			break;
 		}
 		last = port;
diff --git a/sound/ac97/bus.c b/sound/ac97/bus.c
index d9077e91382b..6ddf646cda65 100644
--- a/sound/ac97/bus.c
+++ b/sound/ac97/bus.c
@@ -520,7 +520,7 @@ static int ac97_bus_remove(struct device *dev)
 	struct ac97_codec_driver *adrv = to_ac97_driver(dev->driver);
 	int ret;
 
-	ret = pm_runtime_get_sync(dev);
+	ret = pm_runtime_resume_and_get(dev);
 	if (ret < 0)
 		return ret;
 
diff --git a/sound/core/control_led.c b/sound/core/control_led.c
index a90e31dbde61..ff7fd5e29551 100644
--- a/sound/core/control_led.c
+++ b/sound/core/control_led.c
@@ -397,7 +397,7 @@ static ssize_t show_mode(struct device *dev,
 			 struct device_attribute *attr, char *buf)
 {
 	struct snd_ctl_led *led = container_of(dev, struct snd_ctl_led, dev);
-	const char *str;
+	const char *str = NULL;
 
 	switch (led->mode) {
 	case MODE_FOLLOW_MUTE:	str = "follow-mute"; break;
diff --git a/sound/firewire/Kconfig b/sound/firewire/Kconfig
index 9897bd26a438..12664c3a1414 100644
--- a/sound/firewire/Kconfig
+++ b/sound/firewire/Kconfig
@@ -38,7 +38,7 @@ config SND_OXFW
 	   * Mackie(Loud) Onyx 1640i (former model)
 	   * Mackie(Loud) Onyx Satellite
 	   * Mackie(Loud) Tapco Link.Firewire
-	   * Mackie(Loud) d.4 pro
+	   * Mackie(Loud) d.2 pro/d.4 pro (built-in FireWire card with OXFW971 ASIC)
 	   * Mackie(Loud) U.420/U.420d
 	   * TASCAM FireOne
 	   * Stanton Controllers & Systems 1 Deck/Mixer
@@ -84,7 +84,7 @@ config SND_BEBOB
 	  * PreSonus FIREBOX/FIREPOD/FP10/Inspire1394
 	  * BridgeCo RDAudio1/Audio5
 	  * Mackie Onyx 1220/1620/1640 (FireWire I/O Card)
-	  * Mackie d.2 (FireWire Option) and d.2 Pro
+	  * Mackie d.2 (optional FireWire card with DM1000 ASIC)
 	  * Stanton FinalScratch 2 (ScratchAmp)
 	  * Tascam IF-FW/DM
 	  * Behringer XENIX UFX 1204/1604
@@ -110,6 +110,7 @@ config SND_BEBOB
 	  * M-Audio Ozonic/NRV10/ProfireLightBridge
 	  * M-Audio FireWire 1814/ProjectMix IO
 	  * Digidesign Mbox 2 Pro
+	  * ToneWeal FW66
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called snd-bebob.
diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c
index daeecfa8b9aa..67fa0f2178b0 100644
--- a/sound/firewire/bebob/bebob.c
+++ b/sound/firewire/bebob/bebob.c
@@ -59,6 +59,7 @@ static DECLARE_BITMAP(devices_used, SNDRV_CARDS);
 #define VEN_MAUDIO1	0x00000d6c
 #define VEN_MAUDIO2	0x000007f5
 #define VEN_DIGIDESIGN	0x00a07e
+#define OUI_SHOUYO	0x002327
 
 #define MODEL_FOCUSRITE_SAFFIRE_BOTH	0x00000000
 #define MODEL_MAUDIO_AUDIOPHILE_BOTH	0x00010060
@@ -387,7 +388,7 @@ static const struct ieee1394_device_id bebob_id_table[] = {
 	SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049, &spec_normal),
 	/* Mackie, Onyx 1220/1620/1640 (Firewire I/O Card) */
 	SND_BEBOB_DEV_ENTRY(VEN_MACKIE2, 0x00010065, &spec_normal),
-	// Mackie, d.2 (Firewire option card) and d.2 Pro (the card is built-in).
+	// Mackie, d.2 (optional Firewire card with DM1000).
 	SND_BEBOB_DEV_ENTRY(VEN_MACKIE1, 0x00010067, &spec_normal),
 	/* Stanton, ScratchAmp */
 	SND_BEBOB_DEV_ENTRY(VEN_STANTON, 0x00000001, &spec_normal),
@@ -486,6 +487,8 @@ static const struct ieee1394_device_id bebob_id_table[] = {
 			    &maudio_special_spec),
 	/* Digidesign Mbox 2 Pro */
 	SND_BEBOB_DEV_ENTRY(VEN_DIGIDESIGN, 0x0000a9, &spec_normal),
+	// Toneweal FW66.
+	SND_BEBOB_DEV_ENTRY(OUI_SHOUYO, 0x020002, &spec_normal),
 	/* IDs are unknown but able to be supported */
 	/*  Apogee, Mini-ME Firewire */
 	/*  Apogee, Mini-DAC Firewire */
diff --git a/sound/firewire/motu/motu-protocol-v2.c b/sound/firewire/motu/motu-protocol-v2.c
index 784073aa1026..f0a0ecad4d74 100644
--- a/sound/firewire/motu/motu-protocol-v2.c
+++ b/sound/firewire/motu/motu-protocol-v2.c
@@ -86,24 +86,23 @@ static int detect_clock_source_optical_model(struct snd_motu *motu, u32 data,
 		*src = SND_MOTU_CLOCK_SOURCE_INTERNAL;
 		break;
 	case 1:
+		*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT;
+		break;
+	case 2:
 	{
 		__be32 reg;
 
 		// To check the configuration of optical interface.
-		int err = snd_motu_transaction_read(motu, V2_IN_OUT_CONF_OFFSET,
-						    &reg, sizeof(reg));
+		int err = snd_motu_transaction_read(motu, V2_IN_OUT_CONF_OFFSET, &reg, sizeof(reg));
 		if (err < 0)
 			return err;
 
-		if (be32_to_cpu(reg) & 0x00000200)
+		if (((data & V2_OPT_IN_IFACE_MASK) >> V2_OPT_IN_IFACE_SHIFT) == V2_OPT_IFACE_MODE_SPDIF)
 			*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT;
 		else
-			*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT;
+			*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX;
 		break;
 	}
-	case 2:
-		*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX;
-		break;
 	case 3:
 		*src = SND_MOTU_CLOCK_SOURCE_SPH;
 		break;
diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c
index 9eea25c46dc7..5490637d278a 100644
--- a/sound/firewire/oxfw/oxfw.c
+++ b/sound/firewire/oxfw/oxfw.c
@@ -355,7 +355,7 @@ static const struct ieee1394_device_id oxfw_id_table[] = {
 	 *  Onyx-i series (former models):	0x081216
 	 *  Mackie Onyx Satellite:		0x00200f
 	 *  Tapco LINK.firewire 4x6:		0x000460
-	 *  d.4 pro:				Unknown
+	 *  d.2 pro/d.4 pro (built-in card):	Unknown
 	 *  U.420:				Unknown
 	 *  U.420d:				Unknown
 	 */
diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c
index bc112df10fc5..d1ac9fc99491 100644
--- a/sound/isa/cmi8330.c
+++ b/sound/isa/cmi8330.c
@@ -547,7 +547,7 @@ static int snd_cmi8330_probe(struct snd_card *card, int dev)
 	}
 	if (acard->sb->hardware != SB_HW_16) {
 		snd_printk(KERN_ERR PFX "SB16 not found during probe\n");
-		return err;
+		return -ENODEV;
 	}
 
 	snd_wss_out(acard->wss, CS4231_MISC_INFO, 0x40); /* switch on MODE2 */
diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c
index 4789345a8fdd..c98ccd421a2e 100644
--- a/sound/isa/sb/sb16_csp.c
+++ b/sound/isa/sb/sb16_csp.c
@@ -1072,10 +1072,14 @@ static void snd_sb_qsound_destroy(struct snd_sb_csp * p)
 	card = p->chip->card;	
 	
 	down_write(&card->controls_rwsem);
-	if (p->qsound_switch)
+	if (p->qsound_switch) {
 		snd_ctl_remove(card, p->qsound_switch);
-	if (p->qsound_space)
+		p->qsound_switch = NULL;
+	}
+	if (p->qsound_space) {
 		snd_ctl_remove(card, p->qsound_space);
+		p->qsound_space = NULL;
+	}
 	up_write(&card->controls_rwsem);
 
 	/* cancel pending transfer of QSound parameters */
diff --git a/sound/mips/snd-n64.c b/sound/mips/snd-n64.c
index e35e93157755..463a6fe589eb 100644
--- a/sound/mips/snd-n64.c
+++ b/sound/mips/snd-n64.c
@@ -338,6 +338,10 @@ static int __init n64audio_probe(struct platform_device *pdev)
 	strcpy(card->longname, "N64 Audio");
 
 	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res) {
+		err = -EINVAL;
+		goto fail_dma_alloc;
+	}
 	if (devm_request_irq(&pdev->dev, res->start, n64audio_isr,
 				IRQF_SHARED, "N64 Audio", priv)) {
 		err = -EBUSY;
diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c
index 6f2b743b9d75..6c6dc3fcde60 100644
--- a/sound/pci/hda/hda_tegra.c
+++ b/sound/pci/hda/hda_tegra.c
@@ -262,6 +262,9 @@ static int hda_tegra_first_init(struct azx *chip, struct platform_device *pdev)
 	const char *sname, *drv_name = "tegra-hda";
 	struct device_node *np = pdev->dev.of_node;
 
+	if (irq_id < 0)
+		return irq_id;
+
 	err = hda_tegra_init_chip(chip, pdev);
 	if (err)
 		return err;
diff --git a/sound/ppc/powermac.c b/sound/ppc/powermac.c
index 9fb51ebafde1..8088f77d5a74 100644
--- a/sound/ppc/powermac.c
+++ b/sound/ppc/powermac.c
@@ -76,7 +76,11 @@ static int snd_pmac_probe(struct platform_device *devptr)
 		sprintf(card->shortname, "PowerMac %s", name_ext);
 		sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
 			card->shortname, chip->device_id, chip->subframe);
-		if ( snd_pmac_tumbler_init(chip) < 0 || snd_pmac_tumbler_post_init() < 0)
+		err = snd_pmac_tumbler_init(chip);
+		if (err < 0)
+			goto __error;
+		err = snd_pmac_tumbler_post_init();
+		if (err < 0)
 			goto __error;
 		break;
 	case PMAC_AWACS:
diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c
index 77473c226f9e..8434c48354f1 100644
--- a/sound/soc/codecs/cs42l42.c
+++ b/sound/soc/codecs/cs42l42.c
@@ -581,6 +581,7 @@ struct cs42l42_pll_params {
 	u8 pll_divout;
 	u32 mclk_int;
 	u8 pll_cal_ratio;
+	u8 n;
 };
 
 /*
@@ -588,21 +589,21 @@ struct cs42l42_pll_params {
  * Table 4-5 from the Datasheet
  */
 static const struct cs42l42_pll_params pll_ratio_table[] = {
-	{ 1536000, 0, 1, 0x00, 0x7D, 0x000000, 0x03, 0x10, 12000000, 125 },
-	{ 2822400, 0, 1, 0x00, 0x40, 0x000000, 0x03, 0x10, 11289600, 128 },
-	{ 3000000, 0, 1, 0x00, 0x40, 0x000000, 0x03, 0x10, 12000000, 128 },
-	{ 3072000, 0, 1, 0x00, 0x3E, 0x800000, 0x03, 0x10, 12000000, 125 },
-	{ 4000000, 0, 1, 0x00, 0x30, 0x800000, 0x03, 0x10, 12000000, 96 },
-	{ 4096000, 0, 1, 0x00, 0x2E, 0xE00000, 0x03, 0x10, 12000000, 94 },
-	{ 5644800, 0, 1, 0x01, 0x40, 0x000000, 0x03, 0x10, 11289600, 128 },
-	{ 6000000, 0, 1, 0x01, 0x40, 0x000000, 0x03, 0x10, 12000000, 128 },
-	{ 6144000, 0, 1, 0x01, 0x3E, 0x800000, 0x03, 0x10, 12000000, 125 },
-	{ 11289600, 0, 0, 0, 0, 0, 0, 0, 11289600, 0 },
-	{ 12000000, 0, 0, 0, 0, 0, 0, 0, 12000000, 0 },
-	{ 12288000, 0, 0, 0, 0, 0, 0, 0, 12288000, 0 },
-	{ 22579200, 1, 0, 0, 0, 0, 0, 0, 22579200, 0 },
-	{ 24000000, 1, 0, 0, 0, 0, 0, 0, 24000000, 0 },
-	{ 24576000, 1, 0, 0, 0, 0, 0, 0, 24576000, 0 }
+	{ 1536000, 0, 1, 0x00, 0x7D, 0x000000, 0x03, 0x10, 12000000, 125, 2},
+	{ 2822400, 0, 1, 0x00, 0x40, 0x000000, 0x03, 0x10, 11289600, 128, 1},
+	{ 3000000, 0, 1, 0x00, 0x40, 0x000000, 0x03, 0x10, 12000000, 128, 1},
+	{ 3072000, 0, 1, 0x00, 0x3E, 0x800000, 0x03, 0x10, 12000000, 125, 1},
+	{ 4000000, 0, 1, 0x00, 0x30, 0x800000, 0x03, 0x10, 12000000,  96, 1},
+	{ 4096000, 0, 1, 0x00, 0x2E, 0xE00000, 0x03, 0x10, 12000000,  94, 1},
+	{ 5644800, 0, 1, 0x01, 0x40, 0x000000, 0x03, 0x10, 11289600, 128, 1},
+	{ 6000000, 0, 1, 0x01, 0x40, 0x000000, 0x03, 0x10, 12000000, 128, 1},
+	{ 6144000, 0, 1, 0x01, 0x3E, 0x800000, 0x03, 0x10, 12000000, 125, 1},
+	{ 11289600, 0, 0, 0, 0, 0, 0, 0, 11289600, 0, 1},
+	{ 12000000, 0, 0, 0, 0, 0, 0, 0, 12000000, 0, 1},
+	{ 12288000, 0, 0, 0, 0, 0, 0, 0, 12288000, 0, 1},
+	{ 22579200, 1, 0, 0, 0, 0, 0, 0, 22579200, 0, 1},
+	{ 24000000, 1, 0, 0, 0, 0, 0, 0, 24000000, 0, 1},
+	{ 24576000, 1, 0, 0, 0, 0, 0, 0, 24576000, 0, 1}
 };
 
 static int cs42l42_pll_config(struct snd_soc_component *component)
@@ -738,8 +739,12 @@ static int cs42l42_pll_config(struct snd_soc_component *component)
 				snd_soc_component_update_bits(component,
 					CS42L42_PLL_CTL3,
 					CS42L42_PLL_DIVOUT_MASK,
-					pll_ratio_table[i].pll_divout
+					(pll_ratio_table[i].pll_divout * pll_ratio_table[i].n)
 					<< CS42L42_PLL_DIVOUT_SHIFT);
+				if (pll_ratio_table[i].n != 1)
+					cs42l42->pll_divout = pll_ratio_table[i].pll_divout;
+				else
+					cs42l42->pll_divout = 0;
 				snd_soc_component_update_bits(component,
 					CS42L42_PLL_CAL_RATIO,
 					CS42L42_PLL_CAL_RATIO_MASK,
@@ -894,6 +899,16 @@ static int cs42l42_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
 			if ((cs42l42->bclk < 11289600) && (cs42l42->sclk < 11289600)) {
 				snd_soc_component_update_bits(component, CS42L42_PLL_CTL1,
 							      CS42L42_PLL_START_MASK, 1);
+
+				if (cs42l42->pll_divout) {
+					usleep_range(CS42L42_PLL_DIVOUT_TIME_US,
+						     CS42L42_PLL_DIVOUT_TIME_US * 2);
+					snd_soc_component_update_bits(component, CS42L42_PLL_CTL3,
+								      CS42L42_PLL_DIVOUT_MASK,
+								      cs42l42->pll_divout <<
+								      CS42L42_PLL_DIVOUT_SHIFT);
+				}
+
 				ret = regmap_read_poll_timeout(cs42l42->regmap,
 							       CS42L42_PLL_LOCK_STATUS,
 							       regval,
diff --git a/sound/soc/codecs/cs42l42.h b/sound/soc/codecs/cs42l42.h
index 386c40f9ed31..5384105afe50 100644
--- a/sound/soc/codecs/cs42l42.h
+++ b/sound/soc/codecs/cs42l42.h
@@ -755,6 +755,7 @@
 
 #define CS42L42_NUM_SUPPLIES	5
 #define CS42L42_BOOT_TIME_US	3000
+#define CS42L42_PLL_DIVOUT_TIME_US	800
 #define CS42L42_CLOCK_SWITCH_DELAY_US 150
 #define CS42L42_PLL_LOCK_POLL_US	250
 #define CS42L42_PLL_LOCK_TIMEOUT_US	1250
@@ -777,6 +778,7 @@ struct  cs42l42_private {
 	int bclk;
 	u32 sclk;
 	u32 srate;
+	u8 pll_divout;
 	u8 plug_state;
 	u8 hs_type;
 	u8 ts_inv;
diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c
index 46f3f2c68756..535e17251a35 100644
--- a/sound/soc/fsl/fsl_xcvr.c
+++ b/sound/soc/fsl/fsl_xcvr.c
@@ -1202,6 +1202,10 @@ static int fsl_xcvr_probe(struct platform_device *pdev)
 
 	rx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rxfifo");
 	tx_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "txfifo");
+	if (!rx_res || !tx_res) {
+		dev_err(dev, "could not find rxfifo or txfifo resource\n");
+		return -EINVAL;
+	}
 	xcvr->dma_prms_rx.chan_name = "rx";
 	xcvr->dma_prms_tx.chan_name = "tx";
 	xcvr->dma_prms_rx.addr = rx_res->start;
diff --git a/sound/soc/img/img-i2s-in.c b/sound/soc/img/img-i2s-in.c
index 0843235d73c9..fd3432a1d6ab 100644
--- a/sound/soc/img/img-i2s-in.c
+++ b/sound/soc/img/img-i2s-in.c
@@ -464,7 +464,7 @@ static int img_i2s_in_probe(struct platform_device *pdev)
 		if (ret)
 			goto err_pm_disable;
 	}
-	ret = pm_runtime_get_sync(&pdev->dev);
+	ret = pm_runtime_resume_and_get(&pdev->dev);
 	if (ret < 0)
 		goto err_suspend;
 
diff --git a/sound/soc/intel/boards/kbl_da7219_max98357a.c b/sound/soc/intel/boards/kbl_da7219_max98357a.c
index c0d8a73c6d21..7ca3347dbd2e 100644
--- a/sound/soc/intel/boards/kbl_da7219_max98357a.c
+++ b/sound/soc/intel/boards/kbl_da7219_max98357a.c
@@ -644,7 +644,7 @@ static int kabylake_audio_probe(struct platform_device *pdev)
 
 static const struct platform_device_id kbl_board_ids[] = {
 	{
-		.name = "kbl_da7219_max98357a",
+		.name = "kbl_da7219_mx98357a",
 		.driver_data =
 			(kernel_ulong_t)&kabylake_audio_card_da7219_m98357a,
 	},
@@ -666,4 +666,4 @@ module_platform_driver(kabylake_audio)
 MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode");
 MODULE_AUTHOR("Naveen Manohar <naveen.m@intel.com>");
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:kbl_da7219_max98357a");
+MODULE_ALIAS("platform:kbl_da7219_mx98357a");
diff --git a/sound/soc/intel/boards/sof_da7219_max98373.c b/sound/soc/intel/boards/sof_da7219_max98373.c
index f3cb0773e70e..8d1ad892e86b 100644
--- a/sound/soc/intel/boards/sof_da7219_max98373.c
+++ b/sound/soc/intel/boards/sof_da7219_max98373.c
@@ -440,6 +440,7 @@ static const struct platform_device_id board_ids[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(platform, board_ids);
 
 static struct platform_driver audio = {
 	.probe = audio_probe,
diff --git a/sound/soc/intel/boards/sof_rt5682.c b/sound/soc/intel/boards/sof_rt5682.c
index 58548ea0d915..cf1d053733e2 100644
--- a/sound/soc/intel/boards/sof_rt5682.c
+++ b/sound/soc/intel/boards/sof_rt5682.c
@@ -968,6 +968,7 @@ static const struct platform_device_id board_ids[] = {
 	},
 	{ }
 };
+MODULE_DEVICE_TABLE(platform, board_ids);
 
 static struct platform_driver sof_audio = {
 	.probe = sof_audio_probe,
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index dfad2ad129ab..2ba3eefb9c8d 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -197,7 +197,21 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = {
 		.driver_data = (void *)(SOF_RT711_JD_SRC_JD1 |
 					SOF_SDW_TGL_HDMI |
 					SOF_RT715_DAI_ID_FIX |
-					SOF_SDW_PCH_DMIC),
+					SOF_SDW_PCH_DMIC |
+					SOF_BT_OFFLOAD_SSP(2) |
+					SOF_SSP_BT_OFFLOAD_PRESENT),
+	},
+	{
+		.callback = sof_sdw_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Brya"),
+		},
+		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
+					SOF_SDW_PCH_DMIC |
+					SOF_SDW_FOUR_SPK |
+					SOF_BT_OFFLOAD_SSP(2) |
+					SOF_SSP_BT_OFFLOAD_PRESENT),
 	},
 	{}
 };
@@ -354,6 +368,7 @@ static struct sof_sdw_codec_info codec_info_list[] = {
 		.part_id = 0x714,
 		.version_id = 3,
 		.direction = {false, true},
+		.ignore_pch_dmic = true,
 		.dai_name = "rt715-aif2",
 		.init = sof_sdw_rt715_sdca_init,
 	},
@@ -361,6 +376,7 @@ static struct sof_sdw_codec_info codec_info_list[] = {
 		.part_id = 0x715,
 		.version_id = 3,
 		.direction = {false, true},
+		.ignore_pch_dmic = true,
 		.dai_name = "rt715-aif2",
 		.init = sof_sdw_rt715_sdca_init,
 	},
@@ -368,6 +384,7 @@ static struct sof_sdw_codec_info codec_info_list[] = {
 		.part_id = 0x714,
 		.version_id = 2,
 		.direction = {false, true},
+		.ignore_pch_dmic = true,
 		.dai_name = "rt715-aif2",
 		.init = sof_sdw_rt715_init,
 	},
@@ -375,6 +392,7 @@ static struct sof_sdw_codec_info codec_info_list[] = {
 		.part_id = 0x715,
 		.version_id = 2,
 		.direction = {false, true},
+		.ignore_pch_dmic = true,
 		.dai_name = "rt715-aif2",
 		.init = sof_sdw_rt715_init,
 	},
@@ -730,7 +748,8 @@ static int create_sdw_dailink(struct device *dev, int *be_index,
 			      int *cpu_id, bool *group_generated,
 			      struct snd_soc_codec_conf *codec_conf,
 			      int codec_count,
-			      int *codec_conf_index)
+			      int *codec_conf_index,
+			      bool *ignore_pch_dmic)
 {
 	const struct snd_soc_acpi_link_adr *link_next;
 	struct snd_soc_dai_link_component *codecs;
@@ -783,6 +802,9 @@ static int create_sdw_dailink(struct device *dev, int *be_index,
 	if (codec_index < 0)
 		return codec_index;
 
+	if (codec_info_list[codec_index].ignore_pch_dmic)
+		*ignore_pch_dmic = true;
+
 	cpu_dai_index = *cpu_id;
 	for_each_pcm_streams(stream) {
 		char *name, *cpu_name;
@@ -914,6 +936,7 @@ static int sof_card_dai_links_create(struct device *dev,
 	const struct snd_soc_acpi_link_adr *adr_link;
 	struct snd_soc_dai_link_component *cpus;
 	struct snd_soc_codec_conf *codec_conf;
+	bool ignore_pch_dmic = false;
 	int codec_conf_count;
 	int codec_conf_index = 0;
 	bool group_generated[SDW_MAX_GROUPS];
@@ -1020,7 +1043,8 @@ static int sof_card_dai_links_create(struct device *dev,
 					 sdw_cpu_dai_num, cpus, adr_link,
 					 &cpu_id, group_generated,
 					 codec_conf, codec_conf_count,
-					 &codec_conf_index);
+					 &codec_conf_index,
+					 &ignore_pch_dmic);
 		if (ret < 0) {
 			dev_err(dev, "failed to create dai link %d", be_id);
 			return -ENOMEM;
@@ -1088,6 +1112,10 @@ static int sof_card_dai_links_create(struct device *dev,
 DMIC:
 	/* dmic */
 	if (dmic_num > 0) {
+		if (ignore_pch_dmic) {
+			dev_warn(dev, "Ignoring PCH DMIC\n");
+			goto HDMI;
+		}
 		cpus[cpu_id].dai_name = "DMIC01 Pin";
 		init_dai_link(dev, links + link_id, be_id, "dmic01",
 			      0, 1, // DMIC only supports capture
@@ -1106,6 +1134,7 @@ static int sof_card_dai_links_create(struct device *dev,
 		INC_ID(be_id, cpu_id, link_id);
 	}
 
+HDMI:
 	/* HDMI */
 	if (hdmi_num > 0) {
 		idisp_components = devm_kcalloc(dev, hdmi_num,
diff --git a/sound/soc/intel/boards/sof_sdw_common.h b/sound/soc/intel/boards/sof_sdw_common.h
index f3cb6796363e..ea60e8ed215c 100644
--- a/sound/soc/intel/boards/sof_sdw_common.h
+++ b/sound/soc/intel/boards/sof_sdw_common.h
@@ -56,6 +56,7 @@ struct sof_sdw_codec_info {
 	int amp_num;
 	const u8 acpi_id[ACPI_ID_LEN];
 	const bool direction[2]; // playback & capture support
+	const bool ignore_pch_dmic;
 	const char *dai_name;
 	const struct snd_soc_ops *ops;
 
diff --git a/sound/soc/intel/common/soc-acpi-intel-kbl-match.c b/sound/soc/intel/common/soc-acpi-intel-kbl-match.c
index 47dadc9d5d2a..ba5ff468c265 100644
--- a/sound/soc/intel/common/soc-acpi-intel-kbl-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-kbl-match.c
@@ -113,7 +113,7 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_kbl_machines[] = {
 	},
 	{
 		.id = "DLGS7219",
-		.drv_name = "kbl_da7219_max98373",
+		.drv_name = "kbl_da7219_mx98373",
 		.fw_filename = "intel/dsp_fw_kbl.bin",
 		.machine_quirk = snd_soc_acpi_codec_list,
 		.quirk_data = &kbl_7219_98373_codecs,
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index a76974ccfce1..af0129cf90a2 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2793,7 +2793,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
 	if (!routes) {
 		dev_err(card->dev,
 			"ASoC: Could not allocate DAPM route table\n");
-		return -EINVAL;
+		return -ENOMEM;
 	}
 
 	for (i = 0; i < num_routes; i++) {
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 8659089a87a0..46513bb97904 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1700,7 +1700,7 @@ static int dpcm_apply_symmetry(struct snd_pcm_substream *fe_substream,
 	struct snd_soc_dpcm *dpcm;
 	struct snd_soc_pcm_runtime *fe = asoc_substream_to_rtd(fe_substream);
 	struct snd_soc_dai *fe_cpu_dai;
-	int err;
+	int err = 0;
 	int i;
 
 	/* apply symmetry for FE */
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index 59abcfc9bd55..cb16b2bd8c21 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -3335,7 +3335,7 @@ static int sof_link_load(struct snd_soc_component *scomp, int index,
 	/* Copy common data to all config ipc structs */
 	for (i = 0; i < num_conf; i++) {
 		config[i].hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
-		config[i].format = hw_config[i].fmt;
+		config[i].format = le32_to_cpu(hw_config[i].fmt);
 		config[i].type = common_config.type;
 		config[i].dai_index = common_config.dai_index;
 	}
diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c
index bca3e7fe27df..38f4a2a37e0f 100644
--- a/sound/usb/mixer_scarlett_gen2.c
+++ b/sound/usb/mixer_scarlett_gen2.c
@@ -254,10 +254,10 @@ static const struct scarlett2_device_info s6i6_gen2_info = {
 	.pad_input_count = 2,
 
 	.line_out_descrs = {
-		"Monitor L",
-		"Monitor R",
-		"Headphones L",
-		"Headphones R",
+		"Headphones 1 L",
+		"Headphones 1 R",
+		"Headphones 2 L",
+		"Headphones 2 R",
 	},
 
 	.ports = {
@@ -356,7 +356,7 @@ static const struct scarlett2_device_info s18i8_gen2_info = {
 		},
 		[SCARLETT2_PORT_TYPE_PCM] = {
 			.id = 0x600,
-			.num = { 20, 18, 18, 14, 10 },
+			.num = { 8, 18, 18, 14, 10 },
 			.src_descr = "PCM %d",
 			.src_num_offset = 1,
 			.dst_descr = "PCM %02d Capture"
@@ -1033,11 +1033,10 @@ static int scarlett2_master_volume_ctl_get(struct snd_kcontrol *kctl,
 	struct usb_mixer_interface *mixer = elem->head.mixer;
 	struct scarlett2_mixer_data *private = mixer->private_data;
 
-	if (private->vol_updated) {
-		mutex_lock(&private->data_mutex);
+	mutex_lock(&private->data_mutex);
+	if (private->vol_updated)
 		scarlett2_update_volumes(mixer);
-		mutex_unlock(&private->data_mutex);
-	}
+	mutex_unlock(&private->data_mutex);
 
 	ucontrol->value.integer.value[0] = private->master_vol;
 	return 0;
@@ -1051,11 +1050,10 @@ static int scarlett2_volume_ctl_get(struct snd_kcontrol *kctl,
 	struct scarlett2_mixer_data *private = mixer->private_data;
 	int index = elem->control;
 
-	if (private->vol_updated) {
-		mutex_lock(&private->data_mutex);
+	mutex_lock(&private->data_mutex);
+	if (private->vol_updated)
 		scarlett2_update_volumes(mixer);
-		mutex_unlock(&private->data_mutex);
-	}
+	mutex_unlock(&private->data_mutex);
 
 	ucontrol->value.integer.value[0] = private->vol[index];
 	return 0;
@@ -1186,6 +1184,8 @@ static int scarlett2_sw_hw_enum_ctl_put(struct snd_kcontrol *kctl,
 	/* Send SW/HW switch change to the device */
 	err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_SW_HW_SWITCH,
 				       index, val);
+	if (err == 0)
+		err = 1;
 
 unlock:
 	mutex_unlock(&private->data_mutex);
@@ -1246,6 +1246,8 @@ static int scarlett2_level_enum_ctl_put(struct snd_kcontrol *kctl,
 	/* Send switch change to the device */
 	err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_LEVEL_SWITCH,
 				       index, val);
+	if (err == 0)
+		err = 1;
 
 unlock:
 	mutex_unlock(&private->data_mutex);
@@ -1296,6 +1298,8 @@ static int scarlett2_pad_ctl_put(struct snd_kcontrol *kctl,
 	/* Send switch change to the device */
 	err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_PAD_SWITCH,
 				       index, val);
+	if (err == 0)
+		err = 1;
 
 unlock:
 	mutex_unlock(&private->data_mutex);
@@ -1319,11 +1323,10 @@ static int scarlett2_button_ctl_get(struct snd_kcontrol *kctl,
 	struct usb_mixer_interface *mixer = elem->head.mixer;
 	struct scarlett2_mixer_data *private = mixer->private_data;
 
-	if (private->vol_updated) {
-		mutex_lock(&private->data_mutex);
+	mutex_lock(&private->data_mutex);
+	if (private->vol_updated)
 		scarlett2_update_volumes(mixer);
-		mutex_unlock(&private->data_mutex);
-	}
+	mutex_unlock(&private->data_mutex);
 
 	ucontrol->value.enumerated.item[0] = private->buttons[elem->control];
 	return 0;
@@ -1352,6 +1355,8 @@ static int scarlett2_button_ctl_put(struct snd_kcontrol *kctl,
 	/* Send switch change to the device */
 	err = scarlett2_usb_set_config(mixer, SCARLETT2_CONFIG_BUTTONS,
 				       index, val);
+	if (err == 0)
+		err = 1;
 
 unlock:
 	mutex_unlock(&private->data_mutex);
diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c
index 22412cd69e98..10868c3fb656 100644
--- a/sound/usb/usx2y/usX2Yhwdep.c
+++ b/sound/usb/usx2y/usX2Yhwdep.c
@@ -29,7 +29,7 @@ static vm_fault_t snd_us428ctls_vm_fault(struct vm_fault *vmf)
 		   vmf->pgoff);
 	
 	offset = vmf->pgoff << PAGE_SHIFT;
-	vaddr = (char *)((struct usX2Ydev *)vmf->vma->vm_private_data)->us428ctls_sharedmem + offset;
+	vaddr = (char *)((struct usx2ydev *)vmf->vma->vm_private_data)->us428ctls_sharedmem + offset;
 	page = virt_to_page(vaddr);
 	get_page(page);
 	vmf->page = page;
@@ -47,7 +47,7 @@ static const struct vm_operations_struct us428ctls_vm_ops = {
 static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct vm_area_struct *area)
 {
 	unsigned long	size = (unsigned long)(area->vm_end - area->vm_start);
-	struct usX2Ydev	*us428 = hw->private_data;
+	struct usx2ydev	*us428 = hw->private_data;
 
 	// FIXME this hwdep interface is used twice: fpga download and mmap for controlling Lights etc. Maybe better using 2 hwdep devs?
 	// so as long as the device isn't fully initialised yet we return -EBUSY here.
@@ -66,7 +66,7 @@ static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct v
 		if (!us428->us428ctls_sharedmem)
 			return -ENOMEM;
 		memset(us428->us428ctls_sharedmem, -1, sizeof(struct us428ctls_sharedmem));
-		us428->us428ctls_sharedmem->CtlSnapShotLast = -2;
+		us428->us428ctls_sharedmem->ctl_snapshot_last = -2;
 	}
 	area->vm_ops = &us428ctls_vm_ops;
 	area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
@@ -77,21 +77,21 @@ static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct v
 static __poll_t snd_us428ctls_poll(struct snd_hwdep *hw, struct file *file, poll_table *wait)
 {
 	__poll_t	mask = 0;
-	struct usX2Ydev	*us428 = hw->private_data;
+	struct usx2ydev	*us428 = hw->private_data;
 	struct us428ctls_sharedmem *shm = us428->us428ctls_sharedmem;
 	if (us428->chip_status & USX2Y_STAT_CHIP_HUP)
 		return EPOLLHUP;
 
 	poll_wait(file, &us428->us428ctls_wait_queue_head, wait);
 
-	if (shm != NULL && shm->CtlSnapShotLast != shm->CtlSnapShotRed)
+	if (shm != NULL && shm->ctl_snapshot_last != shm->ctl_snapshot_red)
 		mask |= EPOLLIN;
 
 	return mask;
 }
 
 
-static int snd_usX2Y_hwdep_dsp_status(struct snd_hwdep *hw,
+static int snd_usx2y_hwdep_dsp_status(struct snd_hwdep *hw,
 				      struct snd_hwdep_dsp_status *info)
 {
 	static const char * const type_ids[USX2Y_TYPE_NUMS] = {
@@ -99,7 +99,7 @@ static int snd_usX2Y_hwdep_dsp_status(struct snd_hwdep *hw,
 		[USX2Y_TYPE_224] = "us224",
 		[USX2Y_TYPE_428] = "us428",
 	};
-	struct usX2Ydev	*us428 = hw->private_data;
+	struct usx2ydev	*us428 = hw->private_data;
 	int id = -1;
 
 	switch (le16_to_cpu(us428->dev->descriptor.idProduct)) {
@@ -124,7 +124,7 @@ static int snd_usX2Y_hwdep_dsp_status(struct snd_hwdep *hw,
 }
 
 
-static int usX2Y_create_usbmidi(struct snd_card *card)
+static int usx2y_create_usbmidi(struct snd_card *card)
 {
 	static const struct snd_usb_midi_endpoint_info quirk_data_1 = {
 		.out_ep = 0x06,
@@ -152,28 +152,28 @@ static int usX2Y_create_usbmidi(struct snd_card *card)
        		.type = QUIRK_MIDI_FIXED_ENDPOINT,
 		.data = &quirk_data_2
 	};
-	struct usb_device *dev = usX2Y(card)->dev;
+	struct usb_device *dev = usx2y(card)->dev;
 	struct usb_interface *iface = usb_ifnum_to_if(dev, 0);
 	const struct snd_usb_audio_quirk *quirk =
 		le16_to_cpu(dev->descriptor.idProduct) == USB_ID_US428 ?
 		&quirk_2 : &quirk_1;
 
-	snd_printdd("usX2Y_create_usbmidi \n");
-	return snd_usbmidi_create(card, iface, &usX2Y(card)->midi_list, quirk);
+	snd_printdd("usx2y_create_usbmidi \n");
+	return snd_usbmidi_create(card, iface, &usx2y(card)->midi_list, quirk);
 }
 
-static int usX2Y_create_alsa_devices(struct snd_card *card)
+static int usx2y_create_alsa_devices(struct snd_card *card)
 {
 	int err;
 
 	do {
-		if ((err = usX2Y_create_usbmidi(card)) < 0) {
-			snd_printk(KERN_ERR "usX2Y_create_alsa_devices: usX2Y_create_usbmidi error %i \n", err);
+		if ((err = usx2y_create_usbmidi(card)) < 0) {
+			snd_printk(KERN_ERR "usx2y_create_alsa_devices: usx2y_create_usbmidi error %i \n", err);
 			break;
 		}
-		if ((err = usX2Y_audio_create(card)) < 0) 
+		if ((err = usx2y_audio_create(card)) < 0) 
 			break;
-		if ((err = usX2Y_hwdep_pcm_new(card)) < 0)
+		if ((err = usx2y_hwdep_pcm_new(card)) < 0)
 			break;
 		if ((err = snd_card_register(card)) < 0)
 			break;
@@ -182,10 +182,10 @@ static int usX2Y_create_alsa_devices(struct snd_card *card)
 	return err;
 } 
 
-static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw,
+static int snd_usx2y_hwdep_dsp_load(struct snd_hwdep *hw,
 				    struct snd_hwdep_dsp_image *dsp)
 {
-	struct usX2Ydev *priv = hw->private_data;
+	struct usx2ydev *priv = hw->private_data;
 	struct usb_device* dev = priv->dev;
 	int lret, err;
 	char *buf;
@@ -206,19 +206,19 @@ static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw,
 		return err;
 	if (dsp->index == 1) {
 		msleep(250);				// give the device some time
-		err = usX2Y_AsyncSeq04_init(priv);
+		err = usx2y_async_seq04_init(priv);
 		if (err) {
-			snd_printk(KERN_ERR "usX2Y_AsyncSeq04_init error \n");
+			snd_printk(KERN_ERR "usx2y_async_seq04_init error \n");
 			return err;
 		}
-		err = usX2Y_In04_init(priv);
+		err = usx2y_in04_init(priv);
 		if (err) {
-			snd_printk(KERN_ERR "usX2Y_In04_init error \n");
+			snd_printk(KERN_ERR "usx2y_in04_init error \n");
 			return err;
 		}
-		err = usX2Y_create_alsa_devices(hw->card);
+		err = usx2y_create_alsa_devices(hw->card);
 		if (err) {
-			snd_printk(KERN_ERR "usX2Y_create_alsa_devices error %i \n", err);
+			snd_printk(KERN_ERR "usx2y_create_alsa_devices error %i \n", err);
 			snd_card_free(hw->card);
 			return err;
 		}
@@ -229,7 +229,7 @@ static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw,
 }
 
 
-int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device)
+int usx2y_hwdep_new(struct snd_card *card, struct usb_device* device)
 {
 	int err;
 	struct snd_hwdep *hw;
@@ -238,9 +238,9 @@ int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device)
 		return err;
 
 	hw->iface = SNDRV_HWDEP_IFACE_USX2Y;
-	hw->private_data = usX2Y(card);
-	hw->ops.dsp_status = snd_usX2Y_hwdep_dsp_status;
-	hw->ops.dsp_load = snd_usX2Y_hwdep_dsp_load;
+	hw->private_data = usx2y(card);
+	hw->ops.dsp_status = snd_usx2y_hwdep_dsp_status;
+	hw->ops.dsp_load = snd_usx2y_hwdep_dsp_load;
 	hw->ops.mmap = snd_us428ctls_mmap;
 	hw->ops.poll = snd_us428ctls_poll;
 	hw->exclusive = 1;
diff --git a/sound/usb/usx2y/usX2Yhwdep.h b/sound/usb/usx2y/usX2Yhwdep.h
index 457199b5ed03..34cef625712c 100644
--- a/sound/usb/usx2y/usX2Yhwdep.h
+++ b/sound/usb/usx2y/usX2Yhwdep.h
@@ -2,6 +2,6 @@
 #ifndef USX2YHWDEP_H
 #define USX2YHWDEP_H
 
-int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device);
+int usx2y_hwdep_new(struct snd_card *card, struct usb_device* device);
 
 #endif
diff --git a/sound/usb/usx2y/usb_stream.c b/sound/usb/usx2y/usb_stream.c
index 091c071b270a..cff684942c4f 100644
--- a/sound/usb/usx2y/usb_stream.c
+++ b/sound/usb/usx2y/usb_stream.c
@@ -142,8 +142,11 @@ void usb_stream_free(struct usb_stream_kernel *sk)
 	if (!s)
 		return;
 
-	free_pages_exact(sk->write_page, s->write_size);
-	sk->write_page = NULL;
+	if (sk->write_page) {
+		free_pages_exact(sk->write_page, s->write_size);
+		sk->write_page = NULL;
+	}
+
 	free_pages_exact(s, s->read_size);
 	sk->s = NULL;
 }
diff --git a/sound/usb/usx2y/usbus428ctldefs.h b/sound/usb/usx2y/usbus428ctldefs.h
index 5a7518ea3aeb..7366a940ffbb 100644
--- a/sound/usb/usx2y/usbus428ctldefs.h
+++ b/sound/usb/usx2y/usbus428ctldefs.h
@@ -4,28 +4,28 @@
  * Copyright (c) 2003 by Karsten Wiese <annabellesgarden@yahoo.de>
  */
 
-enum E_In84{
-	eFader0 = 0,
-	eFader1,
-	eFader2,
-	eFader3,
-	eFader4,
-	eFader5,
-	eFader6,
-	eFader7,
-	eFaderM,
-	eTransport,
-	eModifier = 10,
-	eFilterSelect,
-	eSelect,
-	eMute,
+enum E_IN84 {
+	E_FADER_0 = 0,
+	E_FADER_1,
+	E_FADER_2,
+	E_FADER_3,
+	E_FADER_4,
+	E_FADER_5,
+	E_FADER_6,
+	E_FADER_7,
+	E_FADER_M,
+	E_TRANSPORT,
+	E_MODIFIER = 10,
+	E_FILTER_SELECT,
+	E_SELECT,
+	E_MUTE,
 
-	eSwitch   = 15,
-	eWheelGain,
-	eWheelFreq,
-	eWheelQ,
-	eWheelPan,
-	eWheel    = 20
+	E_SWITCH   = 15,
+	E_WHEEL_GAIN,
+	E_WHEEL_FREQ,
+	E_WHEEL_Q,
+	E_WHEEL_PAN,
+	E_WHEEL    = 20
 };
 
 #define T_RECORD   1
@@ -39,53 +39,53 @@ enum E_In84{
 
 
 struct us428_ctls {
-	unsigned char   Fader[9];
-	unsigned char 	Transport;
-	unsigned char 	Modifier;
-	unsigned char 	FilterSelect;
-	unsigned char 	Select;
-	unsigned char   Mute;
-	unsigned char   UNKNOWN;
-	unsigned char   Switch;	     
-	unsigned char   Wheel[5];
+	unsigned char   fader[9];
+	unsigned char 	transport;
+	unsigned char 	modifier;
+	unsigned char 	filters_elect;
+	unsigned char 	select;
+	unsigned char   mute;
+	unsigned char   unknown;
+	unsigned char   wswitch;	     
+	unsigned char   wheel[5];
 };
 
-struct us428_setByte {
-	unsigned char Offset,
-		Value;
+struct us428_set_byte {
+	unsigned char offset,
+		value;
 };
 
 enum {
-	eLT_Volume = 0,
-	eLT_Light
+	ELT_VOLUME = 0,
+	ELT_LIGHT
 };
 
-struct usX2Y_volume {
-	unsigned char Channel,
-		LH,
-		LL,
-		RH,
-		RL;
+struct usx2y_volume {
+	unsigned char channel,
+		lh,
+		ll,
+		rh,
+		rl;
 };
 
 struct us428_lights {
-	struct us428_setByte Light[7];
+	struct us428_set_byte light[7];
 };
 
 struct us428_p4out {
 	char type;
 	union {
-		struct usX2Y_volume vol;
+		struct usx2y_volume vol;
 		struct us428_lights lights;
 	} val;
 };
 
-#define N_us428_ctl_BUFS 16
-#define N_us428_p4out_BUFS 16
-struct us428ctls_sharedmem{
-	struct us428_ctls	CtlSnapShot[N_us428_ctl_BUFS];
-	int			CtlSnapShotDiffersAt[N_us428_ctl_BUFS];
-	int			CtlSnapShotLast, CtlSnapShotRed;
-	struct us428_p4out	p4out[N_us428_p4out_BUFS];
-	int			p4outLast, p4outSent;
+#define N_US428_CTL_BUFS 16
+#define N_US428_P4OUT_BUFS 16
+struct us428ctls_sharedmem {
+	struct us428_ctls	ctl_snapshot[N_US428_CTL_BUFS];
+	int			ctl_snapshot_differs_at[N_US428_CTL_BUFS];
+	int			ctl_snapshot_last, ctl_snapshot_red;
+	struct us428_p4out	p4out[N_US428_P4OUT_BUFS];
+	int			p4out_last, p4out_sent;
 };
diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c
index 3cd28d24f0a7..cdbb27a96e04 100644
--- a/sound/usb/usx2y/usbusx2y.c
+++ b/sound/usb/usx2y/usbusx2y.c
@@ -17,7 +17,7 @@
 
 2004-10-26 Karsten Wiese
 	Version 0.8.6:
-	wake_up() process waiting in usX2Y_urbs_start() on error.
+	wake_up() process waiting in usx2y_urbs_start() on error.
 
 2004-10-21 Karsten Wiese
 	Version 0.8.5:
@@ -48,7 +48,7 @@
 2004-06-12 Karsten Wiese
 	Version 0.6.3:
 	Made it thus the following rule is enforced:
-	"All pcm substreams of one usX2Y have to operate at the same rate & format."
+	"All pcm substreams of one usx2y have to operate at the same rate & format."
 
 2004-04-06 Karsten Wiese
 	Version 0.6.0:
@@ -150,161 +150,161 @@ module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS".");
 
 
-static int snd_usX2Y_card_used[SNDRV_CARDS];
+static int snd_usx2y_card_used[SNDRV_CARDS];
 
-static void usX2Y_usb_disconnect(struct usb_device* usb_device, void* ptr);
-static void snd_usX2Y_card_private_free(struct snd_card *card);
+static void usx2y_usb_disconnect(struct usb_device* usb_device, void* ptr);
+static void snd_usx2y_card_private_free(struct snd_card *card);
 
 /* 
  * pipe 4 is used for switching the lamps, setting samplerate, volumes ....   
  */
-static void i_usX2Y_Out04Int(struct urb *urb)
+static void i_usx2y_out04_int(struct urb *urb)
 {
 #ifdef CONFIG_SND_DEBUG
 	if (urb->status) {
 		int 		i;
-		struct usX2Ydev *usX2Y = urb->context;
-		for (i = 0; i < 10 && usX2Y->AS04.urb[i] != urb; i++);
-		snd_printdd("i_usX2Y_Out04Int() urb %i status=%i\n", i, urb->status);
+		struct usx2ydev *usx2y = urb->context;
+		for (i = 0; i < 10 && usx2y->as04.urb[i] != urb; i++);
+		snd_printdd("i_usx2y_out04_int() urb %i status=%i\n", i, urb->status);
 	}
 #endif
 }
 
-static void i_usX2Y_In04Int(struct urb *urb)
+static void i_usx2y_in04_int(struct urb *urb)
 {
 	int			err = 0;
-	struct usX2Ydev		*usX2Y = urb->context;
-	struct us428ctls_sharedmem	*us428ctls = usX2Y->us428ctls_sharedmem;
+	struct usx2ydev		*usx2y = urb->context;
+	struct us428ctls_sharedmem	*us428ctls = usx2y->us428ctls_sharedmem;
 
-	usX2Y->In04IntCalls++;
+	usx2y->in04_int_calls++;
 
 	if (urb->status) {
 		snd_printdd("Interrupt Pipe 4 came back with status=%i\n", urb->status);
 		return;
 	}
 
-	//	printk("%i:0x%02X ", 8, (int)((unsigned char*)usX2Y->In04Buf)[8]); Master volume shows 0 here if fader is at max during boot ?!?
+	//	printk("%i:0x%02X ", 8, (int)((unsigned char*)usx2y->in04_buf)[8]); Master volume shows 0 here if fader is at max during boot ?!?
 	if (us428ctls) {
 		int diff = -1;
-		if (-2 == us428ctls->CtlSnapShotLast) {
+		if (-2 == us428ctls->ctl_snapshot_last) {
 			diff = 0;
-			memcpy(usX2Y->In04Last, usX2Y->In04Buf, sizeof(usX2Y->In04Last));
-			us428ctls->CtlSnapShotLast = -1;
+			memcpy(usx2y->in04_last, usx2y->in04_buf, sizeof(usx2y->in04_last));
+			us428ctls->ctl_snapshot_last = -1;
 		} else {
 			int i;
 			for (i = 0; i < 21; i++) {
-				if (usX2Y->In04Last[i] != ((char*)usX2Y->In04Buf)[i]) {
+				if (usx2y->in04_last[i] != ((char*)usx2y->in04_buf)[i]) {
 					if (diff < 0)
 						diff = i;
-					usX2Y->In04Last[i] = ((char*)usX2Y->In04Buf)[i];
+					usx2y->in04_last[i] = ((char*)usx2y->in04_buf)[i];
 				}
 			}
 		}
 		if (0 <= diff) {
-			int n = us428ctls->CtlSnapShotLast + 1;
-			if (n >= N_us428_ctl_BUFS  ||  n < 0)
+			int n = us428ctls->ctl_snapshot_last + 1;
+			if (n >= N_US428_CTL_BUFS  ||  n < 0)
 				n = 0;
-			memcpy(us428ctls->CtlSnapShot + n, usX2Y->In04Buf, sizeof(us428ctls->CtlSnapShot[0]));
-			us428ctls->CtlSnapShotDiffersAt[n] = diff;
-			us428ctls->CtlSnapShotLast = n;
-			wake_up(&usX2Y->us428ctls_wait_queue_head);
+			memcpy(us428ctls->ctl_snapshot + n, usx2y->in04_buf, sizeof(us428ctls->ctl_snapshot[0]));
+			us428ctls->ctl_snapshot_differs_at[n] = diff;
+			us428ctls->ctl_snapshot_last = n;
+			wake_up(&usx2y->us428ctls_wait_queue_head);
 		}
 	}
 	
 	
-	if (usX2Y->US04) {
-		if (0 == usX2Y->US04->submitted)
+	if (usx2y->us04) {
+		if (0 == usx2y->us04->submitted)
 			do {
-				err = usb_submit_urb(usX2Y->US04->urb[usX2Y->US04->submitted++], GFP_ATOMIC);
-			} while (!err && usX2Y->US04->submitted < usX2Y->US04->len);
+				err = usb_submit_urb(usx2y->us04->urb[usx2y->us04->submitted++], GFP_ATOMIC);
+			} while (!err && usx2y->us04->submitted < usx2y->us04->len);
 	} else
-		if (us428ctls && us428ctls->p4outLast >= 0 && us428ctls->p4outLast < N_us428_p4out_BUFS) {
-			if (us428ctls->p4outLast != us428ctls->p4outSent) {
-				int j, send = us428ctls->p4outSent + 1;
-				if (send >= N_us428_p4out_BUFS)
+		if (us428ctls && us428ctls->p4out_last >= 0 && us428ctls->p4out_last < N_US428_P4OUT_BUFS) {
+			if (us428ctls->p4out_last != us428ctls->p4out_sent) {
+				int j, send = us428ctls->p4out_sent + 1;
+				if (send >= N_US428_P4OUT_BUFS)
 					send = 0;
-				for (j = 0; j < URBS_AsyncSeq  &&  !err; ++j)
-					if (0 == usX2Y->AS04.urb[j]->status) {
+				for (j = 0; j < URBS_ASYNC_SEQ  &&  !err; ++j)
+					if (0 == usx2y->as04.urb[j]->status) {
 						struct us428_p4out *p4out = us428ctls->p4out + send;	// FIXME if more than 1 p4out is new, 1 gets lost.
-						usb_fill_bulk_urb(usX2Y->AS04.urb[j], usX2Y->dev,
-								  usb_sndbulkpipe(usX2Y->dev, 0x04), &p4out->val.vol,
-								  p4out->type == eLT_Light ? sizeof(struct us428_lights) : 5,
-								  i_usX2Y_Out04Int, usX2Y);
-						err = usb_submit_urb(usX2Y->AS04.urb[j], GFP_ATOMIC);
-						us428ctls->p4outSent = send;
+						usb_fill_bulk_urb(usx2y->as04.urb[j], usx2y->dev,
+								  usb_sndbulkpipe(usx2y->dev, 0x04), &p4out->val.vol,
+								  p4out->type == ELT_LIGHT ? sizeof(struct us428_lights) : 5,
+								  i_usx2y_out04_int, usx2y);
+						err = usb_submit_urb(usx2y->as04.urb[j], GFP_ATOMIC);
+						us428ctls->p4out_sent = send;
 						break;
 					}
 			}
 		}
 
 	if (err)
-		snd_printk(KERN_ERR "In04Int() usb_submit_urb err=%i\n", err);
+		snd_printk(KERN_ERR "in04_int() usb_submit_urb err=%i\n", err);
 
-	urb->dev = usX2Y->dev;
+	urb->dev = usx2y->dev;
 	usb_submit_urb(urb, GFP_ATOMIC);
 }
 
 /*
  * Prepare some urbs
  */
-int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y)
+int usx2y_async_seq04_init(struct usx2ydev *usx2y)
 {
 	int	err = 0,
 		i;
 
-	usX2Y->AS04.buffer = kmalloc_array(URBS_AsyncSeq,
-					   URB_DataLen_AsyncSeq, GFP_KERNEL);
-	if (NULL == usX2Y->AS04.buffer) {
+	usx2y->as04.buffer = kmalloc_array(URBS_ASYNC_SEQ,
+					   URB_DATA_LEN_ASYNC_SEQ, GFP_KERNEL);
+	if (NULL == usx2y->as04.buffer) {
 		err = -ENOMEM;
 	} else
-		for (i = 0; i < URBS_AsyncSeq; ++i) {
-			if (NULL == (usX2Y->AS04.urb[i] = usb_alloc_urb(0, GFP_KERNEL))) {
+		for (i = 0; i < URBS_ASYNC_SEQ; ++i) {
+			if (NULL == (usx2y->as04.urb[i] = usb_alloc_urb(0, GFP_KERNEL))) {
 				err = -ENOMEM;
 				break;
 			}
-			usb_fill_bulk_urb(	usX2Y->AS04.urb[i], usX2Y->dev,
-						usb_sndbulkpipe(usX2Y->dev, 0x04),
-						usX2Y->AS04.buffer + URB_DataLen_AsyncSeq*i, 0,
-						i_usX2Y_Out04Int, usX2Y
+			usb_fill_bulk_urb(	usx2y->as04.urb[i], usx2y->dev,
+						usb_sndbulkpipe(usx2y->dev, 0x04),
+						usx2y->as04.buffer + URB_DATA_LEN_ASYNC_SEQ*i, 0,
+						i_usx2y_out04_int, usx2y
 				);
-			err = usb_urb_ep_type_check(usX2Y->AS04.urb[i]);
+			err = usb_urb_ep_type_check(usx2y->as04.urb[i]);
 			if (err < 0)
 				break;
 		}
 	return err;
 }
 
-int usX2Y_In04_init(struct usX2Ydev *usX2Y)
+int usx2y_in04_init(struct usx2ydev *usx2y)
 {
-	if (! (usX2Y->In04urb = usb_alloc_urb(0, GFP_KERNEL)))
+	if (! (usx2y->in04_urb = usb_alloc_urb(0, GFP_KERNEL)))
 		return -ENOMEM;
 
-	if (! (usX2Y->In04Buf = kmalloc(21, GFP_KERNEL)))
+	if (! (usx2y->in04_buf = kmalloc(21, GFP_KERNEL)))
 		return -ENOMEM;
 	 
-	init_waitqueue_head(&usX2Y->In04WaitQueue);
-	usb_fill_int_urb(usX2Y->In04urb, usX2Y->dev, usb_rcvintpipe(usX2Y->dev, 0x4),
-			 usX2Y->In04Buf, 21,
-			 i_usX2Y_In04Int, usX2Y,
+	init_waitqueue_head(&usx2y->in04_wait_queue);
+	usb_fill_int_urb(usx2y->in04_urb, usx2y->dev, usb_rcvintpipe(usx2y->dev, 0x4),
+			 usx2y->in04_buf, 21,
+			 i_usx2y_in04_int, usx2y,
 			 10);
-	if (usb_urb_ep_type_check(usX2Y->In04urb))
+	if (usb_urb_ep_type_check(usx2y->in04_urb))
 		return -EINVAL;
-	return usb_submit_urb(usX2Y->In04urb, GFP_KERNEL);
+	return usb_submit_urb(usx2y->in04_urb, GFP_KERNEL);
 }
 
-static void usX2Y_unlinkSeq(struct snd_usX2Y_AsyncSeq *S)
+static void usx2y_unlinkseq(struct snd_usx2y_async_seq *s)
 {
 	int	i;
-	for (i = 0; i < URBS_AsyncSeq; ++i) {
-		usb_kill_urb(S->urb[i]);
-		usb_free_urb(S->urb[i]);
-		S->urb[i] = NULL;
+	for (i = 0; i < URBS_ASYNC_SEQ; ++i) {
+		usb_kill_urb(s->urb[i]);
+		usb_free_urb(s->urb[i]);
+		s->urb[i] = NULL;
 	}
-	kfree(S->buffer);
+	kfree(s->buffer);
 }
 
 
-static const struct usb_device_id snd_usX2Y_usb_id_table[] = {
+static const struct usb_device_id snd_usx2y_usb_id_table[] = {
 	{
 		.match_flags =	USB_DEVICE_ID_MATCH_DEVICE,
 		.idVendor =	0x1604,
@@ -323,7 +323,7 @@ static const struct usb_device_id snd_usX2Y_usb_id_table[] = {
 	{ /* terminator */ }
 };
 
-static int usX2Y_create_card(struct usb_device *device,
+static int usx2y_create_card(struct usb_device *device,
 			     struct usb_interface *intf,
 			     struct snd_card **cardp)
 {
@@ -332,20 +332,20 @@ static int usX2Y_create_card(struct usb_device *device,
 	int err;
 
 	for (dev = 0; dev < SNDRV_CARDS; ++dev)
-		if (enable[dev] && !snd_usX2Y_card_used[dev])
+		if (enable[dev] && !snd_usx2y_card_used[dev])
 			break;
 	if (dev >= SNDRV_CARDS)
 		return -ENODEV;
 	err = snd_card_new(&intf->dev, index[dev], id[dev], THIS_MODULE,
-			   sizeof(struct usX2Ydev), &card);
+			   sizeof(struct usx2ydev), &card);
 	if (err < 0)
 		return err;
-	snd_usX2Y_card_used[usX2Y(card)->card_index = dev] = 1;
-	card->private_free = snd_usX2Y_card_private_free;
-	usX2Y(card)->dev = device;
-	init_waitqueue_head(&usX2Y(card)->prepare_wait_queue);
-	mutex_init(&usX2Y(card)->pcm_mutex);
-	INIT_LIST_HEAD(&usX2Y(card)->midi_list);
+	snd_usx2y_card_used[usx2y(card)->card_index = dev] = 1;
+	card->private_free = snd_usx2y_card_private_free;
+	usx2y(card)->dev = device;
+	init_waitqueue_head(&usx2y(card)->prepare_wait_queue);
+	mutex_init(&usx2y(card)->pcm_mutex);
+	INIT_LIST_HEAD(&usx2y(card)->midi_list);
 	strcpy(card->driver, "USB "NAME_ALLCAPS"");
 	sprintf(card->shortname, "TASCAM "NAME_ALLCAPS"");
 	sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)",
@@ -353,14 +353,14 @@ static int usX2Y_create_card(struct usb_device *device,
 		le16_to_cpu(device->descriptor.idVendor),
 		le16_to_cpu(device->descriptor.idProduct),
 		0,//us428(card)->usbmidi.ifnum,
-		usX2Y(card)->dev->bus->busnum, usX2Y(card)->dev->devnum
+		usx2y(card)->dev->bus->busnum, usx2y(card)->dev->devnum
 		);
 	*cardp = card;
 	return 0;
 }
 
 
-static int usX2Y_usb_probe(struct usb_device *device,
+static int usx2y_usb_probe(struct usb_device *device,
 			   struct usb_interface *intf,
 			   const struct usb_device_id *device_id,
 			   struct snd_card **cardp)
@@ -375,10 +375,10 @@ static int usX2Y_usb_probe(struct usb_device *device,
 	     le16_to_cpu(device->descriptor.idProduct) != USB_ID_US428))
 		return -EINVAL;
 
-	err = usX2Y_create_card(device, intf, &card);
+	err = usx2y_create_card(device, intf, &card);
 	if (err < 0)
 		return err;
-	if ((err = usX2Y_hwdep_new(card, device)) < 0  ||
+	if ((err = usx2y_hwdep_new(card, device)) < 0  ||
 	    (err = snd_card_register(card)) < 0) {
 		snd_card_free(card);
 		return err;
@@ -390,64 +390,64 @@ static int usX2Y_usb_probe(struct usb_device *device,
 /*
  * new 2.5 USB kernel API
  */
-static int snd_usX2Y_probe(struct usb_interface *intf, const struct usb_device_id *id)
+static int snd_usx2y_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct snd_card *card;
 	int err;
 
-	err = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id, &card);
+	err = usx2y_usb_probe(interface_to_usbdev(intf), intf, id, &card);
 	if (err < 0)
 		return err;
 	dev_set_drvdata(&intf->dev, card);
 	return 0;
 }
 
-static void snd_usX2Y_disconnect(struct usb_interface *intf)
+static void snd_usx2y_disconnect(struct usb_interface *intf)
 {
-	usX2Y_usb_disconnect(interface_to_usbdev(intf),
+	usx2y_usb_disconnect(interface_to_usbdev(intf),
 				 usb_get_intfdata(intf));
 }
 
-MODULE_DEVICE_TABLE(usb, snd_usX2Y_usb_id_table);
-static struct usb_driver snd_usX2Y_usb_driver = {
+MODULE_DEVICE_TABLE(usb, snd_usx2y_usb_id_table);
+static struct usb_driver snd_usx2y_usb_driver = {
 	.name =		"snd-usb-usx2y",
-	.probe =	snd_usX2Y_probe,
-	.disconnect =	snd_usX2Y_disconnect,
-	.id_table =	snd_usX2Y_usb_id_table,
+	.probe =	snd_usx2y_probe,
+	.disconnect =	snd_usx2y_disconnect,
+	.id_table =	snd_usx2y_usb_id_table,
 };
 
-static void snd_usX2Y_card_private_free(struct snd_card *card)
+static void snd_usx2y_card_private_free(struct snd_card *card)
 {
-	kfree(usX2Y(card)->In04Buf);
-	usb_free_urb(usX2Y(card)->In04urb);
-	if (usX2Y(card)->us428ctls_sharedmem)
-		free_pages_exact(usX2Y(card)->us428ctls_sharedmem,
-				 sizeof(*usX2Y(card)->us428ctls_sharedmem));
-	if (usX2Y(card)->card_index >= 0  &&  usX2Y(card)->card_index < SNDRV_CARDS)
-		snd_usX2Y_card_used[usX2Y(card)->card_index] = 0;
+	kfree(usx2y(card)->in04_buf);
+	usb_free_urb(usx2y(card)->in04_urb);
+	if (usx2y(card)->us428ctls_sharedmem)
+		free_pages_exact(usx2y(card)->us428ctls_sharedmem,
+				 sizeof(*usx2y(card)->us428ctls_sharedmem));
+	if (usx2y(card)->card_index >= 0  &&  usx2y(card)->card_index < SNDRV_CARDS)
+		snd_usx2y_card_used[usx2y(card)->card_index] = 0;
 }
 
 /*
  * Frees the device.
  */
-static void usX2Y_usb_disconnect(struct usb_device *device, void* ptr)
+static void usx2y_usb_disconnect(struct usb_device *device, void* ptr)
 {
 	if (ptr) {
 		struct snd_card *card = ptr;
-		struct usX2Ydev *usX2Y = usX2Y(card);
+		struct usx2ydev *usx2y = usx2y(card);
 		struct list_head *p;
-		usX2Y->chip_status = USX2Y_STAT_CHIP_HUP;
-		usX2Y_unlinkSeq(&usX2Y->AS04);
-		usb_kill_urb(usX2Y->In04urb);
+		usx2y->chip_status = USX2Y_STAT_CHIP_HUP;
+		usx2y_unlinkseq(&usx2y->as04);
+		usb_kill_urb(usx2y->in04_urb);
 		snd_card_disconnect(card);
 		/* release the midi resources */
-		list_for_each(p, &usX2Y->midi_list) {
+		list_for_each(p, &usx2y->midi_list) {
 			snd_usbmidi_disconnect(p);
 		}
-		if (usX2Y->us428ctls_sharedmem) 
-			wake_up(&usX2Y->us428ctls_wait_queue_head);
+		if (usx2y->us428ctls_sharedmem) 
+			wake_up(&usx2y->us428ctls_wait_queue_head);
 		snd_card_free(card);
 	}
 }
 
-module_usb_driver(snd_usX2Y_usb_driver);
+module_usb_driver(snd_usx2y_usb_driver);
diff --git a/sound/usb/usx2y/usbusx2y.h b/sound/usb/usx2y/usbusx2y.h
index 144b85f57bd2..c330af628bcc 100644
--- a/sound/usb/usx2y/usbusx2y.h
+++ b/sound/usb/usx2y/usbusx2y.h
@@ -8,14 +8,14 @@
 #define NRURBS	        2	
 
 
-#define URBS_AsyncSeq 10
-#define URB_DataLen_AsyncSeq 32
-struct snd_usX2Y_AsyncSeq {
-	struct urb	*urb[URBS_AsyncSeq];
+#define URBS_ASYNC_SEQ 10
+#define URB_DATA_LEN_ASYNC_SEQ 32
+struct snd_usx2y_async_seq {
+	struct urb	*urb[URBS_ASYNC_SEQ];
 	char		*buffer;
 };
 
-struct snd_usX2Y_urbSeq {
+struct snd_usx2y_urb_seq {
 	int	submitted;
 	int	len;
 	struct urb	*urb[];
@@ -23,17 +23,17 @@ struct snd_usX2Y_urbSeq {
 
 #include "usx2yhwdeppcm.h"
 
-struct usX2Ydev {
+struct usx2ydev {
 	struct usb_device	*dev;
 	int			card_index;
 	int			stride;
-	struct urb		*In04urb;
-	void			*In04Buf;
-	char			In04Last[24];
-	unsigned		In04IntCalls;
-	struct snd_usX2Y_urbSeq	*US04;
-	wait_queue_head_t	In04WaitQueue;
-	struct snd_usX2Y_AsyncSeq	AS04;
+	struct urb		*in04_urb;
+	void			*in04_buf;
+	char			in04_last[24];
+	unsigned		in04_int_calls;
+	struct snd_usx2y_urb_seq	*us04;
+	wait_queue_head_t	in04_wait_queue;
+	struct snd_usx2y_async_seq	as04;
 	unsigned int		rate,
 				format;
 	int			chip_status;
@@ -41,9 +41,9 @@ struct usX2Ydev {
 	struct us428ctls_sharedmem	*us428ctls_sharedmem;
 	int			wait_iso_frame;
 	wait_queue_head_t	us428ctls_wait_queue_head;
-	struct snd_usX2Y_hwdep_pcm_shm	*hwdep_pcm_shm;
-	struct snd_usX2Y_substream	*subs[4];
-	struct snd_usX2Y_substream	* volatile  prepare_subs;
+	struct snd_usx2y_hwdep_pcm_shm	*hwdep_pcm_shm;
+	struct snd_usx2y_substream	*subs[4];
+	struct snd_usx2y_substream	* volatile  prepare_subs;
 	wait_queue_head_t	prepare_wait_queue;
 	struct list_head	midi_list;
 	struct list_head	pcm_list;
@@ -51,21 +51,21 @@ struct usX2Ydev {
 };
 
 
-struct snd_usX2Y_substream {
-	struct usX2Ydev	*usX2Y;
+struct snd_usx2y_substream {
+	struct usx2ydev	*usx2y;
 	struct snd_pcm_substream *pcm_substream;
 
 	int			endpoint;		
 	unsigned int		maxpacksize;		/* max packet size in bytes */
 
 	atomic_t		state;
-#define state_STOPPED	0
-#define state_STARTING1 1
-#define state_STARTING2 2
-#define state_STARTING3 3
-#define state_PREPARED	4
-#define state_PRERUNNING  6
-#define state_RUNNING	8
+#define STATE_STOPPED	0
+#define STATE_STARTING1 1
+#define STATE_STARTING2 2
+#define STATE_STARTING3 3
+#define STATE_PREPARED	4
+#define STATE_PRERUNNING  6
+#define STATE_RUNNING	8
 
 	int			hwptr;			/* free frame position in the buffer (only for playback) */
 	int			hwptr_done;		/* processed frame position in the buffer */
@@ -77,12 +77,12 @@ struct snd_usX2Y_substream {
 };
 
 
-#define usX2Y(c) ((struct usX2Ydev *)(c)->private_data)
+#define usx2y(c) ((struct usx2ydev *)(c)->private_data)
 
-int usX2Y_audio_create(struct snd_card *card);
+int usx2y_audio_create(struct snd_card *card);
 
-int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y);
-int usX2Y_In04_init(struct usX2Ydev *usX2Y);
+int usx2y_async_seq04_init(struct usx2ydev *usx2y);
+int usx2y_in04_init(struct usx2ydev *usx2y);
 
 #define NAME_ALLCAPS "US-X2Y"
 
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index ecaf41265dcd..8033bb7255d5 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -54,13 +54,13 @@
 #endif
 
 
-static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs)
+static int usx2y_urb_capt_retire(struct snd_usx2y_substream *subs)
 {
 	struct urb	*urb = subs->completed_urb;
 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
 	unsigned char	*cp;
 	int 		i, len, lens = 0, hwptr_done = subs->hwptr_done;
-	struct usX2Ydev	*usX2Y = subs->usX2Y;
+	struct usx2ydev	*usx2y = subs->usx2y;
 
 	for (i = 0; i < nr_of_packs(); i++) {
 		cp = (unsigned char*)urb->transfer_buffer + urb->iso_frame_desc[i].offset;
@@ -70,7 +70,7 @@ static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs)
 				   urb->iso_frame_desc[i].status);
 			return urb->iso_frame_desc[i].status;
 		}
-		len = urb->iso_frame_desc[i].actual_length / usX2Y->stride;
+		len = urb->iso_frame_desc[i].actual_length / usx2y->stride;
 		if (! len) {
 			snd_printd("0 == len ERROR!\n");
 			continue;
@@ -79,12 +79,12 @@ static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs)
 		/* copy a data chunk */
 		if ((hwptr_done + len) > runtime->buffer_size) {
 			int cnt = runtime->buffer_size - hwptr_done;
-			int blen = cnt * usX2Y->stride;
-			memcpy(runtime->dma_area + hwptr_done * usX2Y->stride, cp, blen);
-			memcpy(runtime->dma_area, cp + blen, len * usX2Y->stride - blen);
+			int blen = cnt * usx2y->stride;
+			memcpy(runtime->dma_area + hwptr_done * usx2y->stride, cp, blen);
+			memcpy(runtime->dma_area, cp + blen, len * usx2y->stride - blen);
 		} else {
-			memcpy(runtime->dma_area + hwptr_done * usX2Y->stride, cp,
-			       len * usX2Y->stride);
+			memcpy(runtime->dma_area + hwptr_done * usx2y->stride, cp,
+			       len * usx2y->stride);
 		}
 		lens += len;
 		if ((hwptr_done += len) >= runtime->buffer_size)
@@ -110,18 +110,18 @@ static int usX2Y_urb_capt_retire(struct snd_usX2Y_substream *subs)
  * it directly from the buffer.  thus the data is once copied to
  * a temporary buffer and urb points to that.
  */
-static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs,
+static int usx2y_urb_play_prepare(struct snd_usx2y_substream *subs,
 				  struct urb *cap_urb,
 				  struct urb *urb)
 {
 	int count, counts, pack;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
+	struct usx2ydev *usx2y = subs->usx2y;
 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
 
 	count = 0;
 	for (pack = 0; pack <  nr_of_packs(); pack++) {
 		/* calculate the size of a packet */
-		counts = cap_urb->iso_frame_desc[pack].actual_length / usX2Y->stride;
+		counts = cap_urb->iso_frame_desc[pack].actual_length / usx2y->stride;
 		count += counts;
 		if (counts < 43 || counts > 50) {
 			snd_printk(KERN_ERR "should not be here with counts=%i\n", counts);
@@ -134,7 +134,7 @@ static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs,
 			0;
 		urb->iso_frame_desc[pack].length = cap_urb->iso_frame_desc[pack].actual_length;
 	}
-	if (atomic_read(&subs->state) >= state_PRERUNNING)
+	if (atomic_read(&subs->state) >= STATE_PRERUNNING)
 		if (subs->hwptr + count > runtime->buffer_size) {
 			/* err, the transferred area goes over buffer boundary.
 			 * copy the data to the temp buffer.
@@ -143,20 +143,20 @@ static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs,
 			len = runtime->buffer_size - subs->hwptr;
 			urb->transfer_buffer = subs->tmpbuf;
 			memcpy(subs->tmpbuf, runtime->dma_area +
-			       subs->hwptr * usX2Y->stride, len * usX2Y->stride);
-			memcpy(subs->tmpbuf + len * usX2Y->stride,
-			       runtime->dma_area, (count - len) * usX2Y->stride);
+			       subs->hwptr * usx2y->stride, len * usx2y->stride);
+			memcpy(subs->tmpbuf + len * usx2y->stride,
+			       runtime->dma_area, (count - len) * usx2y->stride);
 			subs->hwptr += count;
 			subs->hwptr -= runtime->buffer_size;
 		} else {
 			/* set the buffer pointer */
-			urb->transfer_buffer = runtime->dma_area + subs->hwptr * usX2Y->stride;
+			urb->transfer_buffer = runtime->dma_area + subs->hwptr * usx2y->stride;
 			if ((subs->hwptr += count) >= runtime->buffer_size)
 				subs->hwptr -= runtime->buffer_size;
 		}
 	else
 		urb->transfer_buffer = subs->tmpbuf;
-	urb->transfer_buffer_length = count * usX2Y->stride;
+	urb->transfer_buffer_length = count * usx2y->stride;
 	return 0;
 }
 
@@ -165,10 +165,10 @@ static int usX2Y_urb_play_prepare(struct snd_usX2Y_substream *subs,
  *
  * update the current position and call callback if a period is processed.
  */
-static void usX2Y_urb_play_retire(struct snd_usX2Y_substream *subs, struct urb *urb)
+static void usx2y_urb_play_retire(struct snd_usx2y_substream *subs, struct urb *urb)
 {
 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
-	int		len = urb->actual_length / subs->usX2Y->stride;
+	int		len = urb->actual_length / subs->usx2y->stride;
 
 	subs->transfer_done += len;
 	subs->hwptr_done +=  len;
@@ -180,14 +180,14 @@ static void usX2Y_urb_play_retire(struct snd_usX2Y_substream *subs, struct urb *
 	}
 }
 
-static int usX2Y_urb_submit(struct snd_usX2Y_substream *subs, struct urb *urb, int frame)
+static int usx2y_urb_submit(struct snd_usx2y_substream *subs, struct urb *urb, int frame)
 {
 	int err;
 	if (!urb)
 		return -ENODEV;
 	urb->start_frame = (frame + NRURBS * nr_of_packs());  // let hcd do rollover sanity checks
 	urb->hcpriv = NULL;
-	urb->dev = subs->usX2Y->dev; /* we need to set this at each time */
+	urb->dev = subs->usx2y->dev; /* we need to set this at each time */
 	if ((err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
 		snd_printk(KERN_ERR "usb_submit_urb() returned %i\n", err);
 		return err;
@@ -195,8 +195,8 @@ static int usX2Y_urb_submit(struct snd_usX2Y_substream *subs, struct urb *urb, i
 	return 0;
 }
 
-static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs,
-					  struct snd_usX2Y_substream *playbacksubs,
+static inline int usx2y_usbframe_complete(struct snd_usx2y_substream *capsubs,
+					  struct snd_usx2y_substream *playbacksubs,
 					  int frame)
 {
 	int err, state;
@@ -204,25 +204,25 @@ static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs,
 
 	state = atomic_read(&playbacksubs->state);
 	if (NULL != urb) {
-		if (state == state_RUNNING)
-			usX2Y_urb_play_retire(playbacksubs, urb);
-		else if (state >= state_PRERUNNING)
+		if (state == STATE_RUNNING)
+			usx2y_urb_play_retire(playbacksubs, urb);
+		else if (state >= STATE_PRERUNNING)
 			atomic_inc(&playbacksubs->state);
 	} else {
 		switch (state) {
-		case state_STARTING1:
+		case STATE_STARTING1:
 			urb = playbacksubs->urb[0];
 			atomic_inc(&playbacksubs->state);
 			break;
-		case state_STARTING2:
+		case STATE_STARTING2:
 			urb = playbacksubs->urb[1];
 			atomic_inc(&playbacksubs->state);
 			break;
 		}
 	}
 	if (urb) {
-		if ((err = usX2Y_urb_play_prepare(playbacksubs, capsubs->completed_urb, urb)) ||
-		    (err = usX2Y_urb_submit(playbacksubs, urb, frame))) {
+		if ((err = usx2y_urb_play_prepare(playbacksubs, capsubs->completed_urb, urb)) ||
+		    (err = usx2y_urb_submit(playbacksubs, urb, frame))) {
 			return err;
 		}
 	}
@@ -230,13 +230,13 @@ static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs,
 	playbacksubs->completed_urb = NULL;
 
 	state = atomic_read(&capsubs->state);
-	if (state >= state_PREPARED) {
-		if (state == state_RUNNING) {
-			if ((err = usX2Y_urb_capt_retire(capsubs)))
+	if (state >= STATE_PREPARED) {
+		if (state == STATE_RUNNING) {
+			if ((err = usx2y_urb_capt_retire(capsubs)))
 				return err;
-		} else if (state >= state_PRERUNNING)
+		} else if (state >= STATE_PRERUNNING)
 			atomic_inc(&capsubs->state);
-		if ((err = usX2Y_urb_submit(capsubs, capsubs->completed_urb, frame)))
+		if ((err = usx2y_urb_submit(capsubs, capsubs->completed_urb, frame)))
 			return err;
 	}
 	capsubs->completed_urb = NULL;
@@ -244,21 +244,21 @@ static inline int usX2Y_usbframe_complete(struct snd_usX2Y_substream *capsubs,
 }
 
 
-static void usX2Y_clients_stop(struct usX2Ydev *usX2Y)
+static void usx2y_clients_stop(struct usx2ydev *usx2y)
 {
 	int s, u;
 
 	for (s = 0; s < 4; s++) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[s];
+		struct snd_usx2y_substream *subs = usx2y->subs[s];
 		if (subs) {
 			snd_printdd("%i %p state=%i\n", s, subs, atomic_read(&subs->state));
-			atomic_set(&subs->state, state_STOPPED);
+			atomic_set(&subs->state, STATE_STOPPED);
 		}
 	}
 	for (s = 0; s < 4; s++) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[s];
+		struct snd_usx2y_substream *subs = usx2y->subs[s];
 		if (subs) {
-			if (atomic_read(&subs->state) >= state_PRERUNNING)
+			if (atomic_read(&subs->state) >= STATE_PRERUNNING)
 				snd_pcm_stop_xrun(subs->pcm_substream);
 			for (u = 0; u < NRURBS; u++) {
 				struct urb *urb = subs->urb[u];
@@ -268,60 +268,60 @@ static void usX2Y_clients_stop(struct usX2Ydev *usX2Y)
 			}
 		}
 	}
-	usX2Y->prepare_subs = NULL;
-	wake_up(&usX2Y->prepare_wait_queue);
+	usx2y->prepare_subs = NULL;
+	wake_up(&usx2y->prepare_wait_queue);
 }
 
-static void usX2Y_error_urb_status(struct usX2Ydev *usX2Y,
-				   struct snd_usX2Y_substream *subs, struct urb *urb)
+static void usx2y_error_urb_status(struct usx2ydev *usx2y,
+				   struct snd_usx2y_substream *subs, struct urb *urb)
 {
 	snd_printk(KERN_ERR "ep=%i stalled with status=%i\n", subs->endpoint, urb->status);
 	urb->status = 0;
-	usX2Y_clients_stop(usX2Y);
+	usx2y_clients_stop(usx2y);
 }
 
-static void i_usX2Y_urb_complete(struct urb *urb)
+static void i_usx2y_urb_complete(struct urb *urb)
 {
-	struct snd_usX2Y_substream *subs = urb->context;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
+	struct snd_usx2y_substream *subs = urb->context;
+	struct usx2ydev *usx2y = subs->usx2y;
 
-	if (unlikely(atomic_read(&subs->state) < state_PREPARED)) {
+	if (unlikely(atomic_read(&subs->state) < STATE_PREPARED)) {
 		snd_printdd("hcd_frame=%i ep=%i%s status=%i start_frame=%i\n",
-			    usb_get_current_frame_number(usX2Y->dev),
+			    usb_get_current_frame_number(usx2y->dev),
 			    subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out",
 			    urb->status, urb->start_frame);
 		return;
 	}
 	if (unlikely(urb->status)) {
-		usX2Y_error_urb_status(usX2Y, subs, urb);
+		usx2y_error_urb_status(usx2y, subs, urb);
 		return;
 	}
 
 	subs->completed_urb = urb;
 
 	{
-		struct snd_usX2Y_substream *capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE],
-			*playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+		struct snd_usx2y_substream *capsubs = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE],
+			*playbacksubs = usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
 		if (capsubs->completed_urb &&
-		    atomic_read(&capsubs->state) >= state_PREPARED &&
+		    atomic_read(&capsubs->state) >= STATE_PREPARED &&
 		    (playbacksubs->completed_urb ||
-		     atomic_read(&playbacksubs->state) < state_PREPARED)) {
-			if (!usX2Y_usbframe_complete(capsubs, playbacksubs, urb->start_frame))
-				usX2Y->wait_iso_frame += nr_of_packs();
+		     atomic_read(&playbacksubs->state) < STATE_PREPARED)) {
+			if (!usx2y_usbframe_complete(capsubs, playbacksubs, urb->start_frame))
+				usx2y->wait_iso_frame += nr_of_packs();
 			else {
 				snd_printdd("\n");
-				usX2Y_clients_stop(usX2Y);
+				usx2y_clients_stop(usx2y);
 			}
 		}
 	}
 }
 
-static void usX2Y_urbs_set_complete(struct usX2Ydev * usX2Y,
+static void usx2y_urbs_set_complete(struct usx2ydev * usx2y,
 				    void (*complete)(struct urb *))
 {
 	int s, u;
 	for (s = 0; s < 4; s++) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[s];
+		struct snd_usx2y_substream *subs = usx2y->subs[s];
 		if (NULL != subs)
 			for (u = 0; u < NRURBS; u++) {
 				struct urb * urb = subs->urb[u];
@@ -331,30 +331,30 @@ static void usX2Y_urbs_set_complete(struct usX2Ydev * usX2Y,
 	}
 }
 
-static void usX2Y_subs_startup_finish(struct usX2Ydev * usX2Y)
+static void usx2y_subs_startup_finish(struct usx2ydev * usx2y)
 {
-	usX2Y_urbs_set_complete(usX2Y, i_usX2Y_urb_complete);
-	usX2Y->prepare_subs = NULL;
+	usx2y_urbs_set_complete(usx2y, i_usx2y_urb_complete);
+	usx2y->prepare_subs = NULL;
 }
 
-static void i_usX2Y_subs_startup(struct urb *urb)
+static void i_usx2y_subs_startup(struct urb *urb)
 {
-	struct snd_usX2Y_substream *subs = urb->context;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_substream *prepare_subs = usX2Y->prepare_subs;
+	struct snd_usx2y_substream *subs = urb->context;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_substream *prepare_subs = usx2y->prepare_subs;
 	if (NULL != prepare_subs)
 		if (urb->start_frame == prepare_subs->urb[0]->start_frame) {
-			usX2Y_subs_startup_finish(usX2Y);
+			usx2y_subs_startup_finish(usx2y);
 			atomic_inc(&prepare_subs->state);
-			wake_up(&usX2Y->prepare_wait_queue);
+			wake_up(&usx2y->prepare_wait_queue);
 		}
 
-	i_usX2Y_urb_complete(urb);
+	i_usx2y_urb_complete(urb);
 }
 
-static void usX2Y_subs_prepare(struct snd_usX2Y_substream *subs)
+static void usx2y_subs_prepare(struct snd_usx2y_substream *subs)
 {
-	snd_printdd("usX2Y_substream_prepare(%p) ep=%i urb0=%p urb1=%p\n",
+	snd_printdd("usx2y_substream_prepare(%p) ep=%i urb0=%p urb1=%p\n",
 		    subs, subs->endpoint, subs->urb[0], subs->urb[1]);
 	/* reset the pointer */
 	subs->hwptr = 0;
@@ -363,7 +363,7 @@ static void usX2Y_subs_prepare(struct snd_usX2Y_substream *subs)
 }
 
 
-static void usX2Y_urb_release(struct urb **urb, int free_tb)
+static void usx2y_urb_release(struct urb **urb, int free_tb)
 {
 	if (*urb) {
 		usb_kill_urb(*urb);
@@ -376,13 +376,13 @@ static void usX2Y_urb_release(struct urb **urb, int free_tb)
 /*
  * release a substreams urbs
  */
-static void usX2Y_urbs_release(struct snd_usX2Y_substream *subs)
+static void usx2y_urbs_release(struct snd_usx2y_substream *subs)
 {
 	int i;
-	snd_printdd("usX2Y_urbs_release() %i\n", subs->endpoint);
+	snd_printdd("usx2y_urbs_release() %i\n", subs->endpoint);
 	for (i = 0; i < NRURBS; i++)
-		usX2Y_urb_release(subs->urb + i,
-				  subs != subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]);
+		usx2y_urb_release(subs->urb + i,
+				  subs != subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK]);
 
 	kfree(subs->tmpbuf);
 	subs->tmpbuf = NULL;
@@ -390,12 +390,12 @@ static void usX2Y_urbs_release(struct snd_usX2Y_substream *subs)
 /*
  * initialize a substream's urbs
  */
-static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs)
+static int usx2y_urbs_allocate(struct snd_usx2y_substream *subs)
 {
 	int i;
 	unsigned int pipe;
-	int is_playback = subs == subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
-	struct usb_device *dev = subs->usX2Y->dev;
+	int is_playback = subs == subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+	struct usb_device *dev = subs->usx2y->dev;
 
 	pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) :
 			usb_rcvisocpipe(dev, subs->endpoint);
@@ -417,7 +417,7 @@ static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs)
 		}
 		*purb = usb_alloc_urb(nr_of_packs(), GFP_KERNEL);
 		if (NULL == *purb) {
-			usX2Y_urbs_release(subs);
+			usx2y_urbs_release(subs);
 			return -ENOMEM;
 		}
 		if (!is_playback && !(*purb)->transfer_buffer) {
@@ -426,7 +426,7 @@ static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs)
 				kmalloc_array(subs->maxpacksize,
 					      nr_of_packs(), GFP_KERNEL);
 			if (NULL == (*purb)->transfer_buffer) {
-				usX2Y_urbs_release(subs);
+				usx2y_urbs_release(subs);
 				return -ENOMEM;
 			}
 		}
@@ -435,43 +435,43 @@ static int usX2Y_urbs_allocate(struct snd_usX2Y_substream *subs)
 		(*purb)->number_of_packets = nr_of_packs();
 		(*purb)->context = subs;
 		(*purb)->interval = 1;
-		(*purb)->complete = i_usX2Y_subs_startup;
+		(*purb)->complete = i_usx2y_subs_startup;
 	}
 	return 0;
 }
 
-static void usX2Y_subs_startup(struct snd_usX2Y_substream *subs)
+static void usx2y_subs_startup(struct snd_usx2y_substream *subs)
 {
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	usX2Y->prepare_subs = subs;
+	struct usx2ydev *usx2y = subs->usx2y;
+	usx2y->prepare_subs = subs;
 	subs->urb[0]->start_frame = -1;
 	wmb();
-	usX2Y_urbs_set_complete(usX2Y, i_usX2Y_subs_startup);
+	usx2y_urbs_set_complete(usx2y, i_usx2y_subs_startup);
 }
 
-static int usX2Y_urbs_start(struct snd_usX2Y_substream *subs)
+static int usx2y_urbs_start(struct snd_usx2y_substream *subs)
 {
 	int i, err;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
+	struct usx2ydev *usx2y = subs->usx2y;
 
-	if ((err = usX2Y_urbs_allocate(subs)) < 0)
+	if ((err = usx2y_urbs_allocate(subs)) < 0)
 		return err;
 	subs->completed_urb = NULL;
 	for (i = 0; i < 4; i++) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[i];
-		if (subs != NULL && atomic_read(&subs->state) >= state_PREPARED)
+		struct snd_usx2y_substream *subs = usx2y->subs[i];
+		if (subs != NULL && atomic_read(&subs->state) >= STATE_PREPARED)
 			goto start;
 	}
 
  start:
-	usX2Y_subs_startup(subs);
+	usx2y_subs_startup(subs);
 	for (i = 0; i < NRURBS; i++) {
 		struct urb *urb = subs->urb[i];
 		if (usb_pipein(urb->pipe)) {
 			unsigned long pack;
 			if (0 == i)
-				atomic_set(&subs->state, state_STARTING3);
-			urb->dev = usX2Y->dev;
+				atomic_set(&subs->state, STATE_STARTING3);
+			urb->dev = usx2y->dev;
 			for (pack = 0; pack < nr_of_packs(); pack++) {
 				urb->iso_frame_desc[pack].offset = subs->maxpacksize * pack;
 				urb->iso_frame_desc[pack].length = subs->maxpacksize;
@@ -483,22 +483,22 @@ static int usX2Y_urbs_start(struct snd_usX2Y_substream *subs)
 				goto cleanup;
 			} else
 				if (i == 0)
-					usX2Y->wait_iso_frame = urb->start_frame;
+					usx2y->wait_iso_frame = urb->start_frame;
 			urb->transfer_flags = 0;
 		} else {
-			atomic_set(&subs->state, state_STARTING1);
+			atomic_set(&subs->state, STATE_STARTING1);
 			break;
 		}
 	}
 	err = 0;
-	wait_event(usX2Y->prepare_wait_queue, NULL == usX2Y->prepare_subs);
-	if (atomic_read(&subs->state) != state_PREPARED)
+	wait_event(usx2y->prepare_wait_queue, NULL == usx2y->prepare_subs);
+	if (atomic_read(&subs->state) != STATE_PREPARED)
 		err = -EPIPE;
 
  cleanup:
 	if (err) {
-		usX2Y_subs_startup_finish(usX2Y);
-		usX2Y_clients_stop(usX2Y);		// something is completely wroong > stop evrything
+		usx2y_subs_startup_finish(usx2y);
+		usx2y_clients_stop(usx2y);		// something is completely wroong > stop evrything
 	}
 	return err;
 }
@@ -506,33 +506,33 @@ static int usX2Y_urbs_start(struct snd_usX2Y_substream *subs)
 /*
  * return the current pcm pointer.  just return the hwptr_done value.
  */
-static snd_pcm_uframes_t snd_usX2Y_pcm_pointer(struct snd_pcm_substream *substream)
+static snd_pcm_uframes_t snd_usx2y_pcm_pointer(struct snd_pcm_substream *substream)
 {
-	struct snd_usX2Y_substream *subs = substream->runtime->private_data;
+	struct snd_usx2y_substream *subs = substream->runtime->private_data;
 	return subs->hwptr_done;
 }
 /*
  * start/stop substream
  */
-static int snd_usX2Y_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+static int snd_usx2y_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
-	struct snd_usX2Y_substream *subs = substream->runtime->private_data;
+	struct snd_usx2y_substream *subs = substream->runtime->private_data;
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
-		snd_printdd("snd_usX2Y_pcm_trigger(START)\n");
-		if (atomic_read(&subs->state) == state_PREPARED &&
-		    atomic_read(&subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]->state) >= state_PREPARED) {
-			atomic_set(&subs->state, state_PRERUNNING);
+		snd_printdd("snd_usx2y_pcm_trigger(START)\n");
+		if (atomic_read(&subs->state) == STATE_PREPARED &&
+		    atomic_read(&subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]->state) >= STATE_PREPARED) {
+			atomic_set(&subs->state, STATE_PRERUNNING);
 		} else {
 			snd_printdd("\n");
 			return -EPIPE;
 		}
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
-		snd_printdd("snd_usX2Y_pcm_trigger(STOP)\n");
-		if (atomic_read(&subs->state) >= state_PRERUNNING)
-			atomic_set(&subs->state, state_PREPARED);
+		snd_printdd("snd_usx2y_pcm_trigger(STOP)\n");
+		if (atomic_read(&subs->state) >= STATE_PRERUNNING)
+			atomic_set(&subs->state, STATE_PREPARED);
 		break;
 	default:
 		return -EINVAL;
@@ -553,7 +553,7 @@ static const struct s_c2
 {
 	char c1, c2;
 }
-	SetRate44100[] =
+	setrate_44100[] =
 {
 	{ 0x14, 0x08},	// this line sets 44100, well actually a little less
 	{ 0x18, 0x40},	// only tascam / frontier design knows the further lines .......
@@ -589,7 +589,7 @@ static const struct s_c2
 	{ 0x18, 0x7C},
 	{ 0x18, 0x7E}
 };
-static const struct s_c2 SetRate48000[] =
+static const struct s_c2 setrate_48000[] =
 {
 	{ 0x14, 0x09},	// this line sets 48000, well actually a little less
 	{ 0x18, 0x40},	// only tascam / frontier design knows the further lines .......
@@ -625,26 +625,26 @@ static const struct s_c2 SetRate48000[] =
 	{ 0x18, 0x7C},
 	{ 0x18, 0x7E}
 };
-#define NOOF_SETRATE_URBS ARRAY_SIZE(SetRate48000)
+#define NOOF_SETRATE_URBS ARRAY_SIZE(setrate_48000)
 
-static void i_usX2Y_04Int(struct urb *urb)
+static void i_usx2y_04int(struct urb *urb)
 {
-	struct usX2Ydev *usX2Y = urb->context;
+	struct usx2ydev *usx2y = urb->context;
 	
 	if (urb->status)
-		snd_printk(KERN_ERR "snd_usX2Y_04Int() urb->status=%i\n", urb->status);
-	if (0 == --usX2Y->US04->len)
-		wake_up(&usX2Y->In04WaitQueue);
+		snd_printk(KERN_ERR "snd_usx2y_04int() urb->status=%i\n", urb->status);
+	if (0 == --usx2y->us04->len)
+		wake_up(&usx2y->in04_wait_queue);
 }
 
-static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate)
+static int usx2y_rate_set(struct usx2ydev *usx2y, int rate)
 {
 	int			err = 0, i;
-	struct snd_usX2Y_urbSeq	*us = NULL;
+	struct snd_usx2y_urb_seq	*us = NULL;
 	int			*usbdata = NULL;
-	const struct s_c2	*ra = rate == 48000 ? SetRate48000 : SetRate44100;
+	const struct s_c2	*ra = rate == 48000 ? setrate_48000 : setrate_44100;
 
-	if (usX2Y->rate != rate) {
+	if (usx2y->rate != rate) {
 		us = kzalloc(sizeof(*us) + sizeof(struct urb*) * NOOF_SETRATE_URBS, GFP_KERNEL);
 		if (NULL == us) {
 			err = -ENOMEM;
@@ -663,17 +663,17 @@ static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate)
 			}
 			((char*)(usbdata + i))[0] = ra[i].c1;
 			((char*)(usbdata + i))[1] = ra[i].c2;
-			usb_fill_bulk_urb(us->urb[i], usX2Y->dev, usb_sndbulkpipe(usX2Y->dev, 4),
-					  usbdata + i, 2, i_usX2Y_04Int, usX2Y);
+			usb_fill_bulk_urb(us->urb[i], usx2y->dev, usb_sndbulkpipe(usx2y->dev, 4),
+					  usbdata + i, 2, i_usx2y_04int, usx2y);
 		}
 		err = usb_urb_ep_type_check(us->urb[0]);
 		if (err < 0)
 			goto cleanup;
 		us->submitted =	0;
 		us->len =	NOOF_SETRATE_URBS;
-		usX2Y->US04 =	us;
-		wait_event_timeout(usX2Y->In04WaitQueue, 0 == us->len, HZ);
-		usX2Y->US04 =	NULL;
+		usx2y->us04 =	us;
+		wait_event_timeout(usx2y->in04_wait_queue, 0 == us->len, HZ);
+		usx2y->us04 =	NULL;
 		if (us->len)
 			err = -ENODEV;
 	cleanup:
@@ -690,11 +690,11 @@ static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate)
 				}
 				usb_free_urb(urb);
 			}
-			usX2Y->US04 = NULL;
+			usx2y->us04 = NULL;
 			kfree(usbdata);
 			kfree(us);
 			if (!err)
-				usX2Y->rate = rate;
+				usx2y->rate = rate;
 		}
 	}
 
@@ -702,53 +702,53 @@ static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate)
 }
 
 
-static int usX2Y_format_set(struct usX2Ydev *usX2Y, snd_pcm_format_t format)
+static int usx2y_format_set(struct usx2ydev *usx2y, snd_pcm_format_t format)
 {
 	int alternate, err;
 	struct list_head* p;
 	if (format == SNDRV_PCM_FORMAT_S24_3LE) {
 		alternate = 2;
-		usX2Y->stride = 6;
+		usx2y->stride = 6;
 	} else {
 		alternate = 1;
-		usX2Y->stride = 4;
+		usx2y->stride = 4;
 	}
-	list_for_each(p, &usX2Y->midi_list) {
+	list_for_each(p, &usx2y->midi_list) {
 		snd_usbmidi_input_stop(p);
 	}
-	usb_kill_urb(usX2Y->In04urb);
-	if ((err = usb_set_interface(usX2Y->dev, 0, alternate))) {
+	usb_kill_urb(usx2y->in04_urb);
+	if ((err = usb_set_interface(usx2y->dev, 0, alternate))) {
 		snd_printk(KERN_ERR "usb_set_interface error \n");
 		return err;
 	}
-	usX2Y->In04urb->dev = usX2Y->dev;
-	err = usb_submit_urb(usX2Y->In04urb, GFP_KERNEL);
-	list_for_each(p, &usX2Y->midi_list) {
+	usx2y->in04_urb->dev = usx2y->dev;
+	err = usb_submit_urb(usx2y->in04_urb, GFP_KERNEL);
+	list_for_each(p, &usx2y->midi_list) {
 		snd_usbmidi_input_start(p);
 	}
-	usX2Y->format = format;
-	usX2Y->rate = 0;
+	usx2y->format = format;
+	usx2y->rate = 0;
 	return err;
 }
 
 
-static int snd_usX2Y_pcm_hw_params(struct snd_pcm_substream *substream,
+static int snd_usx2y_pcm_hw_params(struct snd_pcm_substream *substream,
 				   struct snd_pcm_hw_params *hw_params)
 {
 	int			err = 0;
 	unsigned int		rate = params_rate(hw_params);
 	snd_pcm_format_t	format = params_format(hw_params);
 	struct snd_card *card = substream->pstr->pcm->card;
-	struct usX2Ydev	*dev = usX2Y(card);
+	struct usx2ydev	*dev = usx2y(card);
 	int i;
 
-	mutex_lock(&usX2Y(card)->pcm_mutex);
-	snd_printdd("snd_usX2Y_hw_params(%p, %p)\n", substream, hw_params);
-	/* all pcm substreams off one usX2Y have to operate at the same
+	mutex_lock(&usx2y(card)->pcm_mutex);
+	snd_printdd("snd_usx2y_hw_params(%p, %p)\n", substream, hw_params);
+	/* all pcm substreams off one usx2y have to operate at the same
 	 * rate & format
 	 */
 	for (i = 0; i < dev->pcm_devs * 2; i++) {
-		struct snd_usX2Y_substream *subs = dev->subs[i];
+		struct snd_usx2y_substream *subs = dev->subs[i];
 		struct snd_pcm_substream *test_substream;
 
 		if (!subs)
@@ -767,39 +767,39 @@ static int snd_usX2Y_pcm_hw_params(struct snd_pcm_substream *substream,
 	}
 
  error:
-	mutex_unlock(&usX2Y(card)->pcm_mutex);
+	mutex_unlock(&usx2y(card)->pcm_mutex);
 	return err;
 }
 
 /*
  * free the buffer
  */
-static int snd_usX2Y_pcm_hw_free(struct snd_pcm_substream *substream)
+static int snd_usx2y_pcm_hw_free(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data;
-	mutex_lock(&subs->usX2Y->pcm_mutex);
-	snd_printdd("snd_usX2Y_hw_free(%p)\n", substream);
+	struct snd_usx2y_substream *subs = runtime->private_data;
+	mutex_lock(&subs->usx2y->pcm_mutex);
+	snd_printdd("snd_usx2y_hw_free(%p)\n", substream);
 
 	if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) {
-		struct snd_usX2Y_substream *cap_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE];
-		atomic_set(&subs->state, state_STOPPED);
-		usX2Y_urbs_release(subs);
+		struct snd_usx2y_substream *cap_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
+		atomic_set(&subs->state, STATE_STOPPED);
+		usx2y_urbs_release(subs);
 		if (!cap_subs->pcm_substream ||
 		    !cap_subs->pcm_substream->runtime ||
 		    !cap_subs->pcm_substream->runtime->status ||
 		    cap_subs->pcm_substream->runtime->status->state < SNDRV_PCM_STATE_PREPARED) {
-			atomic_set(&cap_subs->state, state_STOPPED);
-			usX2Y_urbs_release(cap_subs);
+			atomic_set(&cap_subs->state, STATE_STOPPED);
+			usx2y_urbs_release(cap_subs);
 		}
 	} else {
-		struct snd_usX2Y_substream *playback_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
-		if (atomic_read(&playback_subs->state) < state_PREPARED) {
-			atomic_set(&subs->state, state_STOPPED);
-			usX2Y_urbs_release(subs);
+		struct snd_usx2y_substream *playback_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+		if (atomic_read(&playback_subs->state) < STATE_PREPARED) {
+			atomic_set(&subs->state, STATE_STOPPED);
+			usx2y_urbs_release(subs);
 		}
 	}
-	mutex_unlock(&subs->usX2Y->pcm_mutex);
+	mutex_unlock(&subs->usx2y->pcm_mutex);
 	return 0;
 }
 /*
@@ -807,40 +807,40 @@ static int snd_usX2Y_pcm_hw_free(struct snd_pcm_substream *substream)
  *
  * set format and initialize urbs
  */
-static int snd_usX2Y_pcm_prepare(struct snd_pcm_substream *substream)
+static int snd_usx2y_pcm_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_substream *capsubs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE];
+	struct snd_usx2y_substream *subs = runtime->private_data;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_substream *capsubs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
 	int err = 0;
-	snd_printdd("snd_usX2Y_pcm_prepare(%p)\n", substream);
+	snd_printdd("snd_usx2y_pcm_prepare(%p)\n", substream);
 
-	mutex_lock(&usX2Y->pcm_mutex);
-	usX2Y_subs_prepare(subs);
+	mutex_lock(&usx2y->pcm_mutex);
+	usx2y_subs_prepare(subs);
 // Start hardware streams
 // SyncStream first....
-	if (atomic_read(&capsubs->state) < state_PREPARED) {
-		if (usX2Y->format != runtime->format)
-			if ((err = usX2Y_format_set(usX2Y, runtime->format)) < 0)
+	if (atomic_read(&capsubs->state) < STATE_PREPARED) {
+		if (usx2y->format != runtime->format)
+			if ((err = usx2y_format_set(usx2y, runtime->format)) < 0)
 				goto up_prepare_mutex;
-		if (usX2Y->rate != runtime->rate)
-			if ((err = usX2Y_rate_set(usX2Y, runtime->rate)) < 0)
+		if (usx2y->rate != runtime->rate)
+			if ((err = usx2y_rate_set(usx2y, runtime->rate)) < 0)
 				goto up_prepare_mutex;
 		snd_printdd("starting capture pipe for %s\n", subs == capsubs ? "self" : "playpipe");
-		if (0 > (err = usX2Y_urbs_start(capsubs)))
+		if (0 > (err = usx2y_urbs_start(capsubs)))
 			goto up_prepare_mutex;
 	}
 
-	if (subs != capsubs && atomic_read(&subs->state) < state_PREPARED)
-		err = usX2Y_urbs_start(subs);
+	if (subs != capsubs && atomic_read(&subs->state) < STATE_PREPARED)
+		err = usx2y_urbs_start(subs);
 
  up_prepare_mutex:
-	mutex_unlock(&usX2Y->pcm_mutex);
+	mutex_unlock(&usx2y->pcm_mutex);
 	return err;
 }
 
-static const struct snd_pcm_hardware snd_usX2Y_2c =
+static const struct snd_pcm_hardware snd_usx2y_2c =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -862,16 +862,16 @@ static const struct snd_pcm_hardware snd_usX2Y_2c =
 
 
 
-static int snd_usX2Y_pcm_open(struct snd_pcm_substream *substream)
+static int snd_usx2y_pcm_open(struct snd_pcm_substream *substream)
 {
-	struct snd_usX2Y_substream	*subs = ((struct snd_usX2Y_substream **)
+	struct snd_usx2y_substream	*subs = ((struct snd_usx2y_substream **)
 					 snd_pcm_substream_chip(substream))[substream->stream];
 	struct snd_pcm_runtime	*runtime = substream->runtime;
 
-	if (subs->usX2Y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS)
+	if (subs->usx2y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS)
 		return -EBUSY;
 
-	runtime->hw = snd_usX2Y_2c;
+	runtime->hw = snd_usx2y_2c;
 	runtime->private_data = subs;
 	subs->pcm_substream = substream;
 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 1000, 200000);
@@ -880,10 +880,10 @@ static int snd_usX2Y_pcm_open(struct snd_pcm_substream *substream)
 
 
 
-static int snd_usX2Y_pcm_close(struct snd_pcm_substream *substream)
+static int snd_usx2y_pcm_close(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data;
+	struct snd_usx2y_substream *subs = runtime->private_data;
 
 	subs->pcm_substream = NULL;
 
@@ -891,75 +891,75 @@ static int snd_usX2Y_pcm_close(struct snd_pcm_substream *substream)
 }
 
 
-static const struct snd_pcm_ops snd_usX2Y_pcm_ops =
+static const struct snd_pcm_ops snd_usx2y_pcm_ops =
 {
-	.open =		snd_usX2Y_pcm_open,
-	.close =	snd_usX2Y_pcm_close,
-	.hw_params =	snd_usX2Y_pcm_hw_params,
-	.hw_free =	snd_usX2Y_pcm_hw_free,
-	.prepare =	snd_usX2Y_pcm_prepare,
-	.trigger =	snd_usX2Y_pcm_trigger,
-	.pointer =	snd_usX2Y_pcm_pointer,
+	.open =		snd_usx2y_pcm_open,
+	.close =	snd_usx2y_pcm_close,
+	.hw_params =	snd_usx2y_pcm_hw_params,
+	.hw_free =	snd_usx2y_pcm_hw_free,
+	.prepare =	snd_usx2y_pcm_prepare,
+	.trigger =	snd_usx2y_pcm_trigger,
+	.pointer =	snd_usx2y_pcm_pointer,
 };
 
 
 /*
  * free a usb stream instance
  */
-static void usX2Y_audio_stream_free(struct snd_usX2Y_substream **usX2Y_substream)
+static void usx2y_audio_stream_free(struct snd_usx2y_substream **usx2y_substream)
 {
 	int stream;
 
 	for_each_pcm_streams(stream) {
-		kfree(usX2Y_substream[stream]);
-		usX2Y_substream[stream] = NULL;
+		kfree(usx2y_substream[stream]);
+		usx2y_substream[stream] = NULL;
 	}
 }
 
-static void snd_usX2Y_pcm_private_free(struct snd_pcm *pcm)
+static void snd_usx2y_pcm_private_free(struct snd_pcm *pcm)
 {
-	struct snd_usX2Y_substream **usX2Y_stream = pcm->private_data;
-	if (usX2Y_stream)
-		usX2Y_audio_stream_free(usX2Y_stream);
+	struct snd_usx2y_substream **usx2y_stream = pcm->private_data;
+	if (usx2y_stream)
+		usx2y_audio_stream_free(usx2y_stream);
 }
 
-static int usX2Y_audio_stream_new(struct snd_card *card, int playback_endpoint, int capture_endpoint)
+static int usx2y_audio_stream_new(struct snd_card *card, int playback_endpoint, int capture_endpoint)
 {
 	struct snd_pcm *pcm;
 	int err, i;
-	struct snd_usX2Y_substream **usX2Y_substream =
-		usX2Y(card)->subs + 2 * usX2Y(card)->pcm_devs;
+	struct snd_usx2y_substream **usx2y_substream =
+		usx2y(card)->subs + 2 * usx2y(card)->pcm_devs;
 
 	for (i = playback_endpoint ? SNDRV_PCM_STREAM_PLAYBACK : SNDRV_PCM_STREAM_CAPTURE;
 	     i <= SNDRV_PCM_STREAM_CAPTURE; ++i) {
-		usX2Y_substream[i] = kzalloc(sizeof(struct snd_usX2Y_substream), GFP_KERNEL);
-		if (!usX2Y_substream[i])
+		usx2y_substream[i] = kzalloc(sizeof(struct snd_usx2y_substream), GFP_KERNEL);
+		if (!usx2y_substream[i])
 			return -ENOMEM;
 
-		usX2Y_substream[i]->usX2Y = usX2Y(card);
+		usx2y_substream[i]->usx2y = usx2y(card);
 	}
 
 	if (playback_endpoint)
-		usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK]->endpoint = playback_endpoint;
-	usX2Y_substream[SNDRV_PCM_STREAM_CAPTURE]->endpoint = capture_endpoint;
+		usx2y_substream[SNDRV_PCM_STREAM_PLAYBACK]->endpoint = playback_endpoint;
+	usx2y_substream[SNDRV_PCM_STREAM_CAPTURE]->endpoint = capture_endpoint;
 
-	err = snd_pcm_new(card, NAME_ALLCAPS" Audio", usX2Y(card)->pcm_devs,
+	err = snd_pcm_new(card, NAME_ALLCAPS" Audio", usx2y(card)->pcm_devs,
 			  playback_endpoint ? 1 : 0, 1,
 			  &pcm);
 	if (err < 0) {
-		usX2Y_audio_stream_free(usX2Y_substream);
+		usx2y_audio_stream_free(usx2y_substream);
 		return err;
 	}
 
 	if (playback_endpoint)
-		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usX2Y_pcm_ops);
-	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usX2Y_pcm_ops);
+		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usx2y_pcm_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usx2y_pcm_ops);
 
-	pcm->private_data = usX2Y_substream;
-	pcm->private_free = snd_usX2Y_pcm_private_free;
+	pcm->private_data = usx2y_substream;
+	pcm->private_free = snd_usx2y_pcm_private_free;
 	pcm->info_flags = 0;
 
-	sprintf(pcm->name, NAME_ALLCAPS" Audio #%d", usX2Y(card)->pcm_devs);
+	sprintf(pcm->name, NAME_ALLCAPS" Audio #%d", usx2y(card)->pcm_devs);
 
 	if (playback_endpoint) {
 		snd_pcm_set_managed_buffer(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream,
@@ -972,7 +972,7 @@ static int usX2Y_audio_stream_new(struct snd_card *card, int playback_endpoint,
 				   SNDRV_DMA_TYPE_CONTINUOUS,
 				   NULL,
 				   64*1024, 128*1024);
-	usX2Y(card)->pcm_devs++;
+	usx2y(card)->pcm_devs++;
 
 	return 0;
 }
@@ -980,18 +980,18 @@ static int usX2Y_audio_stream_new(struct snd_card *card, int playback_endpoint,
 /*
  * create a chip instance and set its names.
  */
-int usX2Y_audio_create(struct snd_card *card)
+int usx2y_audio_create(struct snd_card *card)
 {
 	int err = 0;
 	
-	INIT_LIST_HEAD(&usX2Y(card)->pcm_list);
+	INIT_LIST_HEAD(&usx2y(card)->pcm_list);
 
-	if (0 > (err = usX2Y_audio_stream_new(card, 0xA, 0x8)))
+	if (0 > (err = usx2y_audio_stream_new(card, 0xA, 0x8)))
 		return err;
-	if (le16_to_cpu(usX2Y(card)->dev->descriptor.idProduct) == USB_ID_US428)
-	     if (0 > (err = usX2Y_audio_stream_new(card, 0, 0xA)))
+	if (le16_to_cpu(usx2y(card)->dev->descriptor.idProduct) == USB_ID_US428)
+	     if (0 > (err = usx2y_audio_stream_new(card, 0, 0xA)))
 		     return err;
-	if (le16_to_cpu(usX2Y(card)->dev->descriptor.idProduct) != USB_ID_US122)
-		err = usX2Y_rate_set(usX2Y(card), 44100);	// Lets us428 recognize output-volume settings, disturbs us122.
+	if (le16_to_cpu(usx2y(card)->dev->descriptor.idProduct) != USB_ID_US122)
+		err = usx2y_rate_set(usx2y(card), 44100);	// Lets us428 recognize output-volume settings, disturbs us122.
 	return err;
 }
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c
index 8253669c6a7d..399470e51c41 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.c
+++ b/sound/usb/usx2y/usx2yhwdeppcm.c
@@ -47,17 +47,17 @@
 #include <sound/hwdep.h>
 
 
-static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs)
+static int usx2y_usbpcm_urb_capt_retire(struct snd_usx2y_substream *subs)
 {
 	struct urb	*urb = subs->completed_urb;
 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
 	int 		i, lens = 0, hwptr_done = subs->hwptr_done;
-	struct usX2Ydev	*usX2Y = subs->usX2Y;
-	if (0 > usX2Y->hwdep_pcm_shm->capture_iso_start) { //FIXME
-		int head = usX2Y->hwdep_pcm_shm->captured_iso_head + 1;
-		if (head >= ARRAY_SIZE(usX2Y->hwdep_pcm_shm->captured_iso))
+	struct usx2ydev	*usx2y = subs->usx2y;
+	if (0 > usx2y->hwdep_pcm_shm->capture_iso_start) { //FIXME
+		int head = usx2y->hwdep_pcm_shm->captured_iso_head + 1;
+		if (head >= ARRAY_SIZE(usx2y->hwdep_pcm_shm->captured_iso))
 			head = 0;
-		usX2Y->hwdep_pcm_shm->capture_iso_start = head;
+		usx2y->hwdep_pcm_shm->capture_iso_start = head;
 		snd_printdd("cap start %i\n", head);
 	}
 	for (i = 0; i < nr_of_packs(); i++) {
@@ -65,7 +65,7 @@ static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs)
 			snd_printk(KERN_ERR "active frame status %i. Most probably some hardware problem.\n", urb->iso_frame_desc[i].status);
 			return urb->iso_frame_desc[i].status;
 		}
-		lens += urb->iso_frame_desc[i].actual_length / usX2Y->stride;
+		lens += urb->iso_frame_desc[i].actual_length / usx2y->stride;
 	}
 	if ((hwptr_done += lens) >= runtime->buffer_size)
 		hwptr_done -= runtime->buffer_size;
@@ -79,10 +79,10 @@ static int usX2Y_usbpcm_urb_capt_retire(struct snd_usX2Y_substream *subs)
 	return 0;
 }
 
-static inline int usX2Y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime,
-					      struct usX2Ydev * usX2Y)
+static inline int usx2y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime,
+					      struct usx2ydev * usx2y)
 {
-	return (runtime->buffer_size * 1000) / usX2Y->rate + 1;	//FIXME: so far only correct period_size == 2^x ?
+	return (runtime->buffer_size * 1000) / usx2y->rate + 1;	//FIXME: so far only correct period_size == 2^x ?
 }
 
 /*
@@ -95,17 +95,17 @@ static inline int usX2Y_iso_frames_per_buffer(struct snd_pcm_runtime *runtime,
  * it directly from the buffer.  thus the data is once copied to
  * a temporary buffer and urb points to that.
  */
-static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs,
+static int usx2y_hwdep_urb_play_prepare(struct snd_usx2y_substream *subs,
 					struct urb *urb)
 {
 	int count, counts, pack;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_hwdep_pcm_shm *shm = usX2Y->hwdep_pcm_shm;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_hwdep_pcm_shm *shm = usx2y->hwdep_pcm_shm;
 	struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
 
 	if (0 > shm->playback_iso_start) {
 		shm->playback_iso_start = shm->captured_iso_head -
-			usX2Y_iso_frames_per_buffer(runtime, usX2Y);
+			usx2y_iso_frames_per_buffer(runtime, usx2y);
 		if (0 > shm->playback_iso_start)
 			shm->playback_iso_start += ARRAY_SIZE(shm->captured_iso);
 		shm->playback_iso_head = shm->playback_iso_start;
@@ -114,7 +114,7 @@ static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs,
 	count = 0;
 	for (pack = 0; pack < nr_of_packs(); pack++) {
 		/* calculate the size of a packet */
-		counts = shm->captured_iso[shm->playback_iso_head].length / usX2Y->stride;
+		counts = shm->captured_iso[shm->playback_iso_head].length / usx2y->stride;
 		if (counts < 43 || counts > 50) {
 			snd_printk(KERN_ERR "should not be here with counts=%i\n", counts);
 			return -EPIPE;
@@ -122,26 +122,26 @@ static int usX2Y_hwdep_urb_play_prepare(struct snd_usX2Y_substream *subs,
 		/* set up descriptor */
 		urb->iso_frame_desc[pack].offset = shm->captured_iso[shm->playback_iso_head].offset;
 		urb->iso_frame_desc[pack].length = shm->captured_iso[shm->playback_iso_head].length;
-		if (atomic_read(&subs->state) != state_RUNNING)
+		if (atomic_read(&subs->state) != STATE_RUNNING)
 			memset((char *)urb->transfer_buffer + urb->iso_frame_desc[pack].offset, 0,
 			       urb->iso_frame_desc[pack].length);
 		if (++shm->playback_iso_head >= ARRAY_SIZE(shm->captured_iso))
 			shm->playback_iso_head = 0;
 		count += counts;
 	}
-	urb->transfer_buffer_length = count * usX2Y->stride;
+	urb->transfer_buffer_length = count * usx2y->stride;
 	return 0;
 }
 
 
-static inline void usX2Y_usbpcm_urb_capt_iso_advance(struct snd_usX2Y_substream *subs,
+static inline void usx2y_usbpcm_urb_capt_iso_advance(struct snd_usx2y_substream *subs,
 						     struct urb *urb)
 {
 	int pack;
 	for (pack = 0; pack < nr_of_packs(); ++pack) {
 		struct usb_iso_packet_descriptor *desc = urb->iso_frame_desc + pack;
 		if (NULL != subs) {
-			struct snd_usX2Y_hwdep_pcm_shm *shm = subs->usX2Y->hwdep_pcm_shm;
+			struct snd_usx2y_hwdep_pcm_shm *shm = subs->usx2y->hwdep_pcm_shm;
 			int head = shm->captured_iso_head + 1;
 			if (head >= ARRAY_SIZE(shm->captured_iso))
 				head = 0;
@@ -157,9 +157,9 @@ static inline void usX2Y_usbpcm_urb_capt_iso_advance(struct snd_usX2Y_substream
 	}
 }
 
-static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *capsubs,
-						 struct snd_usX2Y_substream *capsubs2,
-						 struct snd_usX2Y_substream *playbacksubs,
+static inline int usx2y_usbpcm_usbframe_complete(struct snd_usx2y_substream *capsubs,
+						 struct snd_usx2y_substream *capsubs2,
+						 struct snd_usx2y_substream *playbacksubs,
 						 int frame)
 {
 	int err, state;
@@ -167,25 +167,25 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap
 
 	state = atomic_read(&playbacksubs->state);
 	if (NULL != urb) {
-		if (state == state_RUNNING)
-			usX2Y_urb_play_retire(playbacksubs, urb);
-		else if (state >= state_PRERUNNING)
+		if (state == STATE_RUNNING)
+			usx2y_urb_play_retire(playbacksubs, urb);
+		else if (state >= STATE_PRERUNNING)
 			atomic_inc(&playbacksubs->state);
 	} else {
 		switch (state) {
-		case state_STARTING1:
+		case STATE_STARTING1:
 			urb = playbacksubs->urb[0];
 			atomic_inc(&playbacksubs->state);
 			break;
-		case state_STARTING2:
+		case STATE_STARTING2:
 			urb = playbacksubs->urb[1];
 			atomic_inc(&playbacksubs->state);
 			break;
 		}
 	}
 	if (urb) {
-		if ((err = usX2Y_hwdep_urb_play_prepare(playbacksubs, urb)) ||
-		    (err = usX2Y_urb_submit(playbacksubs, urb, frame))) {
+		if ((err = usx2y_hwdep_urb_play_prepare(playbacksubs, urb)) ||
+		    (err = usx2y_urb_submit(playbacksubs, urb, frame))) {
 			return err;
 		}
 	}
@@ -193,19 +193,19 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap
 	playbacksubs->completed_urb = NULL;
 
 	state = atomic_read(&capsubs->state);
-	if (state >= state_PREPARED) {
-		if (state == state_RUNNING) {
-			if ((err = usX2Y_usbpcm_urb_capt_retire(capsubs)))
+	if (state >= STATE_PREPARED) {
+		if (state == STATE_RUNNING) {
+			if ((err = usx2y_usbpcm_urb_capt_retire(capsubs)))
 				return err;
-		} else if (state >= state_PRERUNNING)
+		} else if (state >= STATE_PRERUNNING)
 			atomic_inc(&capsubs->state);
-		usX2Y_usbpcm_urb_capt_iso_advance(capsubs, capsubs->completed_urb);
+		usx2y_usbpcm_urb_capt_iso_advance(capsubs, capsubs->completed_urb);
 		if (NULL != capsubs2)
-			usX2Y_usbpcm_urb_capt_iso_advance(NULL, capsubs2->completed_urb);
-		if ((err = usX2Y_urb_submit(capsubs, capsubs->completed_urb, frame)))
+			usx2y_usbpcm_urb_capt_iso_advance(NULL, capsubs2->completed_urb);
+		if ((err = usx2y_urb_submit(capsubs, capsubs->completed_urb, frame)))
 			return err;
 		if (NULL != capsubs2)
-			if ((err = usX2Y_urb_submit(capsubs2, capsubs2->completed_urb, frame)))
+			if ((err = usx2y_urb_submit(capsubs2, capsubs2->completed_urb, frame)))
 				return err;
 	}
 	capsubs->completed_urb = NULL;
@@ -215,42 +215,42 @@ static inline int usX2Y_usbpcm_usbframe_complete(struct snd_usX2Y_substream *cap
 }
 
 
-static void i_usX2Y_usbpcm_urb_complete(struct urb *urb)
+static void i_usx2y_usbpcm_urb_complete(struct urb *urb)
 {
-	struct snd_usX2Y_substream *subs = urb->context;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_substream *capsubs, *capsubs2, *playbacksubs;
+	struct snd_usx2y_substream *subs = urb->context;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_substream *capsubs, *capsubs2, *playbacksubs;
 
-	if (unlikely(atomic_read(&subs->state) < state_PREPARED)) {
+	if (unlikely(atomic_read(&subs->state) < STATE_PREPARED)) {
 		snd_printdd("hcd_frame=%i ep=%i%s status=%i start_frame=%i\n",
-			    usb_get_current_frame_number(usX2Y->dev),
+			    usb_get_current_frame_number(usx2y->dev),
 			    subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out",
 			    urb->status, urb->start_frame);
 		return;
 	}
 	if (unlikely(urb->status)) {
-		usX2Y_error_urb_status(usX2Y, subs, urb);
+		usx2y_error_urb_status(usx2y, subs, urb);
 		return;
 	}
 
 	subs->completed_urb = urb;
-	capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE];
-	capsubs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
-	playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
-	if (capsubs->completed_urb && atomic_read(&capsubs->state) >= state_PREPARED &&
+	capsubs = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
+	capsubs2 = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
+	playbacksubs = usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+	if (capsubs->completed_urb && atomic_read(&capsubs->state) >= STATE_PREPARED &&
 	    (NULL == capsubs2 || capsubs2->completed_urb) &&
-	    (playbacksubs->completed_urb || atomic_read(&playbacksubs->state) < state_PREPARED)) {
-		if (!usX2Y_usbpcm_usbframe_complete(capsubs, capsubs2, playbacksubs, urb->start_frame))
-			usX2Y->wait_iso_frame += nr_of_packs();
+	    (playbacksubs->completed_urb || atomic_read(&playbacksubs->state) < STATE_PREPARED)) {
+		if (!usx2y_usbpcm_usbframe_complete(capsubs, capsubs2, playbacksubs, urb->start_frame))
+			usx2y->wait_iso_frame += nr_of_packs();
 		else {
 			snd_printdd("\n");
-			usX2Y_clients_stop(usX2Y);
+			usx2y_clients_stop(usx2y);
 		}
 	}
 }
 
 
-static void usX2Y_hwdep_urb_release(struct urb **urb)
+static void usx2y_hwdep_urb_release(struct urb **urb)
 {
 	usb_kill_urb(*urb);
 	usb_free_urb(*urb);
@@ -260,49 +260,49 @@ static void usX2Y_hwdep_urb_release(struct urb **urb)
 /*
  * release a substream
  */
-static void usX2Y_usbpcm_urbs_release(struct snd_usX2Y_substream *subs)
+static void usx2y_usbpcm_urbs_release(struct snd_usx2y_substream *subs)
 {
 	int i;
-	snd_printdd("snd_usX2Y_urbs_release() %i\n", subs->endpoint);
+	snd_printdd("snd_usx2y_urbs_release() %i\n", subs->endpoint);
 	for (i = 0; i < NRURBS; i++)
-		usX2Y_hwdep_urb_release(subs->urb + i);
+		usx2y_hwdep_urb_release(subs->urb + i);
 }
 
-static void usX2Y_usbpcm_subs_startup_finish(struct usX2Ydev * usX2Y)
+static void usx2y_usbpcm_subs_startup_finish(struct usx2ydev * usx2y)
 {
-	usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_urb_complete);
-	usX2Y->prepare_subs = NULL;
+	usx2y_urbs_set_complete(usx2y, i_usx2y_usbpcm_urb_complete);
+	usx2y->prepare_subs = NULL;
 }
 
-static void i_usX2Y_usbpcm_subs_startup(struct urb *urb)
+static void i_usx2y_usbpcm_subs_startup(struct urb *urb)
 {
-	struct snd_usX2Y_substream *subs = urb->context;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_substream *prepare_subs = usX2Y->prepare_subs;
+	struct snd_usx2y_substream *subs = urb->context;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_substream *prepare_subs = usx2y->prepare_subs;
 	if (NULL != prepare_subs &&
 	    urb->start_frame == prepare_subs->urb[0]->start_frame) {
 		atomic_inc(&prepare_subs->state);
-		if (prepare_subs == usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]) {
-			struct snd_usX2Y_substream *cap_subs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
+		if (prepare_subs == usx2y->subs[SNDRV_PCM_STREAM_CAPTURE]) {
+			struct snd_usx2y_substream *cap_subs2 = usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
 			if (cap_subs2 != NULL)
 				atomic_inc(&cap_subs2->state);
 		}
-		usX2Y_usbpcm_subs_startup_finish(usX2Y);
-		wake_up(&usX2Y->prepare_wait_queue);
+		usx2y_usbpcm_subs_startup_finish(usx2y);
+		wake_up(&usx2y->prepare_wait_queue);
 	}
 
-	i_usX2Y_usbpcm_urb_complete(urb);
+	i_usx2y_usbpcm_urb_complete(urb);
 }
 
 /*
  * initialize a substream's urbs
  */
-static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs)
+static int usx2y_usbpcm_urbs_allocate(struct snd_usx2y_substream *subs)
 {
 	int i;
 	unsigned int pipe;
-	int is_playback = subs == subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
-	struct usb_device *dev = subs->usX2Y->dev;
+	int is_playback = subs == subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+	struct usb_device *dev = subs->usx2y->dev;
 
 	pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) :
 			usb_rcvisocpipe(dev, subs->endpoint);
@@ -319,21 +319,21 @@ static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs)
 		}
 		*purb = usb_alloc_urb(nr_of_packs(), GFP_KERNEL);
 		if (NULL == *purb) {
-			usX2Y_usbpcm_urbs_release(subs);
+			usx2y_usbpcm_urbs_release(subs);
 			return -ENOMEM;
 		}
 		(*purb)->transfer_buffer = is_playback ?
-			subs->usX2Y->hwdep_pcm_shm->playback : (
+			subs->usx2y->hwdep_pcm_shm->playback : (
 				subs->endpoint == 0x8 ?
-				subs->usX2Y->hwdep_pcm_shm->capture0x8 :
-				subs->usX2Y->hwdep_pcm_shm->capture0xA);
+				subs->usx2y->hwdep_pcm_shm->capture0x8 :
+				subs->usx2y->hwdep_pcm_shm->capture0xA);
 
 		(*purb)->dev = dev;
 		(*purb)->pipe = pipe;
 		(*purb)->number_of_packets = nr_of_packs();
 		(*purb)->context = subs;
 		(*purb)->interval = 1;
-		(*purb)->complete = i_usX2Y_usbpcm_subs_startup;
+		(*purb)->complete = i_usx2y_usbpcm_subs_startup;
 	}
 	return 0;
 }
@@ -341,91 +341,91 @@ static int usX2Y_usbpcm_urbs_allocate(struct snd_usX2Y_substream *subs)
 /*
  * free the buffer
  */
-static int snd_usX2Y_usbpcm_hw_free(struct snd_pcm_substream *substream)
+static int snd_usx2y_usbpcm_hw_free(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data,
-		*cap_subs2 = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
-	mutex_lock(&subs->usX2Y->pcm_mutex);
-	snd_printdd("snd_usX2Y_usbpcm_hw_free(%p)\n", substream);
+	struct snd_usx2y_substream *subs = runtime->private_data,
+		*cap_subs2 = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE + 2];
+	mutex_lock(&subs->usx2y->pcm_mutex);
+	snd_printdd("snd_usx2y_usbpcm_hw_free(%p)\n", substream);
 
 	if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) {
-		struct snd_usX2Y_substream *cap_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE];
-		atomic_set(&subs->state, state_STOPPED);
-		usX2Y_usbpcm_urbs_release(subs);
+		struct snd_usx2y_substream *cap_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
+		atomic_set(&subs->state, STATE_STOPPED);
+		usx2y_usbpcm_urbs_release(subs);
 		if (!cap_subs->pcm_substream ||
 		    !cap_subs->pcm_substream->runtime ||
 		    !cap_subs->pcm_substream->runtime->status ||
 		    cap_subs->pcm_substream->runtime->status->state < SNDRV_PCM_STATE_PREPARED) {
-			atomic_set(&cap_subs->state, state_STOPPED);
+			atomic_set(&cap_subs->state, STATE_STOPPED);
 			if (NULL != cap_subs2)
-				atomic_set(&cap_subs2->state, state_STOPPED);
-			usX2Y_usbpcm_urbs_release(cap_subs);
+				atomic_set(&cap_subs2->state, STATE_STOPPED);
+			usx2y_usbpcm_urbs_release(cap_subs);
 			if (NULL != cap_subs2)
-				usX2Y_usbpcm_urbs_release(cap_subs2);
+				usx2y_usbpcm_urbs_release(cap_subs2);
 		}
 	} else {
-		struct snd_usX2Y_substream *playback_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK];
-		if (atomic_read(&playback_subs->state) < state_PREPARED) {
-			atomic_set(&subs->state, state_STOPPED);
+		struct snd_usx2y_substream *playback_subs = subs->usx2y->subs[SNDRV_PCM_STREAM_PLAYBACK];
+		if (atomic_read(&playback_subs->state) < STATE_PREPARED) {
+			atomic_set(&subs->state, STATE_STOPPED);
 			if (NULL != cap_subs2)
-				atomic_set(&cap_subs2->state, state_STOPPED);
-			usX2Y_usbpcm_urbs_release(subs);
+				atomic_set(&cap_subs2->state, STATE_STOPPED);
+			usx2y_usbpcm_urbs_release(subs);
 			if (NULL != cap_subs2)
-				usX2Y_usbpcm_urbs_release(cap_subs2);
+				usx2y_usbpcm_urbs_release(cap_subs2);
 		}
 	}
-	mutex_unlock(&subs->usX2Y->pcm_mutex);
+	mutex_unlock(&subs->usx2y->pcm_mutex);
 	return 0;
 }
 
-static void usX2Y_usbpcm_subs_startup(struct snd_usX2Y_substream *subs)
+static void usx2y_usbpcm_subs_startup(struct snd_usx2y_substream *subs)
 {
-	struct usX2Ydev * usX2Y = subs->usX2Y;
-	usX2Y->prepare_subs = subs;
+	struct usx2ydev * usx2y = subs->usx2y;
+	usx2y->prepare_subs = subs;
 	subs->urb[0]->start_frame = -1;
-	smp_wmb();	// Make sure above modifications are seen by i_usX2Y_subs_startup()
-	usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_subs_startup);
+	smp_wmb();	// Make sure above modifications are seen by i_usx2y_subs_startup()
+	usx2y_urbs_set_complete(usx2y, i_usx2y_usbpcm_subs_startup);
 }
 
-static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs)
+static int usx2y_usbpcm_urbs_start(struct snd_usx2y_substream *subs)
 {
 	int	p, u, err,
 		stream = subs->pcm_substream->stream;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
+	struct usx2ydev *usx2y = subs->usx2y;
 
 	if (SNDRV_PCM_STREAM_CAPTURE == stream) {
-		usX2Y->hwdep_pcm_shm->captured_iso_head = -1;
-		usX2Y->hwdep_pcm_shm->captured_iso_frames = 0;
+		usx2y->hwdep_pcm_shm->captured_iso_head = -1;
+		usx2y->hwdep_pcm_shm->captured_iso_frames = 0;
 	}
 
 	for (p = 0; 3 >= (stream + p); p += 2) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[stream + p];
+		struct snd_usx2y_substream *subs = usx2y->subs[stream + p];
 		if (subs != NULL) {
-			if ((err = usX2Y_usbpcm_urbs_allocate(subs)) < 0)
+			if ((err = usx2y_usbpcm_urbs_allocate(subs)) < 0)
 				return err;
 			subs->completed_urb = NULL;
 		}
 	}
 
 	for (p = 0; p < 4; p++) {
-		struct snd_usX2Y_substream *subs = usX2Y->subs[p];
-		if (subs != NULL && atomic_read(&subs->state) >= state_PREPARED)
+		struct snd_usx2y_substream *subs = usx2y->subs[p];
+		if (subs != NULL && atomic_read(&subs->state) >= STATE_PREPARED)
 			goto start;
 	}
 
  start:
-	usX2Y_usbpcm_subs_startup(subs);
+	usx2y_usbpcm_subs_startup(subs);
 	for (u = 0; u < NRURBS; u++) {
 		for (p = 0; 3 >= (stream + p); p += 2) {
-			struct snd_usX2Y_substream *subs = usX2Y->subs[stream + p];
+			struct snd_usx2y_substream *subs = usx2y->subs[stream + p];
 			if (subs != NULL) {
 				struct urb *urb = subs->urb[u];
 				if (usb_pipein(urb->pipe)) {
 					unsigned long pack;
 					if (0 == u)
-						atomic_set(&subs->state, state_STARTING3);
-					urb->dev = usX2Y->dev;
+						atomic_set(&subs->state, STATE_STARTING3);
+					urb->dev = usx2y->dev;
 					for (pack = 0; pack < nr_of_packs(); pack++) {
 						urb->iso_frame_desc[pack].offset = subs->maxpacksize * (pack + u * nr_of_packs());
 						urb->iso_frame_desc[pack].length = subs->maxpacksize;
@@ -438,25 +438,25 @@ static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs)
 					}  else {
 						snd_printdd("%i\n", urb->start_frame);
 						if (u == 0)
-							usX2Y->wait_iso_frame = urb->start_frame;
+							usx2y->wait_iso_frame = urb->start_frame;
 					}
 					urb->transfer_flags = 0;
 				} else {
-					atomic_set(&subs->state, state_STARTING1);
+					atomic_set(&subs->state, STATE_STARTING1);
 					break;
 				}			
 			}
 		}
 	}
 	err = 0;
-	wait_event(usX2Y->prepare_wait_queue, NULL == usX2Y->prepare_subs);
-	if (atomic_read(&subs->state) != state_PREPARED)
+	wait_event(usx2y->prepare_wait_queue, NULL == usx2y->prepare_subs);
+	if (atomic_read(&subs->state) != STATE_PREPARED)
 		err = -EPIPE;
 		
  cleanup:
 	if (err) {
-		usX2Y_subs_startup_finish(usX2Y);	// Call it now
-		usX2Y_clients_stop(usX2Y);		// something is completely wroong > stop evrything			
+		usx2y_subs_startup_finish(usx2y);	// Call it now
+		usx2y_clients_stop(usx2y);		// something is completely wroong > stop evrything			
 	}
 	return err;
 }
@@ -466,69 +466,69 @@ static int usX2Y_usbpcm_urbs_start(struct snd_usX2Y_substream *subs)
  *
  * set format and initialize urbs
  */
-static int snd_usX2Y_usbpcm_prepare(struct snd_pcm_substream *substream)
+static int snd_usx2y_usbpcm_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data;
-	struct usX2Ydev *usX2Y = subs->usX2Y;
-	struct snd_usX2Y_substream *capsubs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE];
+	struct snd_usx2y_substream *subs = runtime->private_data;
+	struct usx2ydev *usx2y = subs->usx2y;
+	struct snd_usx2y_substream *capsubs = subs->usx2y->subs[SNDRV_PCM_STREAM_CAPTURE];
 	int err = 0;
-	snd_printdd("snd_usX2Y_pcm_prepare(%p)\n", substream);
+	snd_printdd("snd_usx2y_pcm_prepare(%p)\n", substream);
 
-	if (NULL == usX2Y->hwdep_pcm_shm) {
-		usX2Y->hwdep_pcm_shm = alloc_pages_exact(sizeof(struct snd_usX2Y_hwdep_pcm_shm),
+	if (NULL == usx2y->hwdep_pcm_shm) {
+		usx2y->hwdep_pcm_shm = alloc_pages_exact(sizeof(struct snd_usx2y_hwdep_pcm_shm),
 							 GFP_KERNEL);
-		if (!usX2Y->hwdep_pcm_shm)
+		if (!usx2y->hwdep_pcm_shm)
 			return -ENOMEM;
-		memset(usX2Y->hwdep_pcm_shm, 0, sizeof(struct snd_usX2Y_hwdep_pcm_shm));
+		memset(usx2y->hwdep_pcm_shm, 0, sizeof(struct snd_usx2y_hwdep_pcm_shm));
 	}
 
-	mutex_lock(&usX2Y->pcm_mutex);
-	usX2Y_subs_prepare(subs);
+	mutex_lock(&usx2y->pcm_mutex);
+	usx2y_subs_prepare(subs);
 // Start hardware streams
 // SyncStream first....
-	if (atomic_read(&capsubs->state) < state_PREPARED) {
-		if (usX2Y->format != runtime->format)
-			if ((err = usX2Y_format_set(usX2Y, runtime->format)) < 0)
+	if (atomic_read(&capsubs->state) < STATE_PREPARED) {
+		if (usx2y->format != runtime->format)
+			if ((err = usx2y_format_set(usx2y, runtime->format)) < 0)
 				goto up_prepare_mutex;
-		if (usX2Y->rate != runtime->rate)
-			if ((err = usX2Y_rate_set(usX2Y, runtime->rate)) < 0)
+		if (usx2y->rate != runtime->rate)
+			if ((err = usx2y_rate_set(usx2y, runtime->rate)) < 0)
 				goto up_prepare_mutex;
 		snd_printdd("starting capture pipe for %s\n", subs == capsubs ?
 			    "self" : "playpipe");
-		if (0 > (err = usX2Y_usbpcm_urbs_start(capsubs)))
+		if (0 > (err = usx2y_usbpcm_urbs_start(capsubs)))
 			goto up_prepare_mutex;
 	}
 
 	if (subs != capsubs) {
-		usX2Y->hwdep_pcm_shm->playback_iso_start = -1;
-		if (atomic_read(&subs->state) < state_PREPARED) {
-			while (usX2Y_iso_frames_per_buffer(runtime, usX2Y) >
-			       usX2Y->hwdep_pcm_shm->captured_iso_frames) {
+		usx2y->hwdep_pcm_shm->playback_iso_start = -1;
+		if (atomic_read(&subs->state) < STATE_PREPARED) {
+			while (usx2y_iso_frames_per_buffer(runtime, usx2y) >
+			       usx2y->hwdep_pcm_shm->captured_iso_frames) {
 				snd_printdd("Wait: iso_frames_per_buffer=%i,"
 					    "captured_iso_frames=%i\n",
-					    usX2Y_iso_frames_per_buffer(runtime, usX2Y),
-					    usX2Y->hwdep_pcm_shm->captured_iso_frames);
+					    usx2y_iso_frames_per_buffer(runtime, usx2y),
+					    usx2y->hwdep_pcm_shm->captured_iso_frames);
 				if (msleep_interruptible(10)) {
 					err = -ERESTARTSYS;
 					goto up_prepare_mutex;
 				}
 			} 
-			if (0 > (err = usX2Y_usbpcm_urbs_start(subs)))
+			if (0 > (err = usx2y_usbpcm_urbs_start(subs)))
 				goto up_prepare_mutex;
 		}
 		snd_printdd("Ready: iso_frames_per_buffer=%i,captured_iso_frames=%i\n",
-			    usX2Y_iso_frames_per_buffer(runtime, usX2Y),
-			    usX2Y->hwdep_pcm_shm->captured_iso_frames);
+			    usx2y_iso_frames_per_buffer(runtime, usx2y),
+			    usx2y->hwdep_pcm_shm->captured_iso_frames);
 	} else
-		usX2Y->hwdep_pcm_shm->capture_iso_start = -1;
+		usx2y->hwdep_pcm_shm->capture_iso_start = -1;
 
  up_prepare_mutex:
-	mutex_unlock(&usX2Y->pcm_mutex);
+	mutex_unlock(&usx2y->pcm_mutex);
 	return err;
 }
 
-static const struct snd_pcm_hardware snd_usX2Y_4c =
+static const struct snd_pcm_hardware snd_usx2y_4c =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -549,17 +549,17 @@ static const struct snd_pcm_hardware snd_usX2Y_4c =
 
 
 
-static int snd_usX2Y_usbpcm_open(struct snd_pcm_substream *substream)
+static int snd_usx2y_usbpcm_open(struct snd_pcm_substream *substream)
 {
-	struct snd_usX2Y_substream	*subs = ((struct snd_usX2Y_substream **)
+	struct snd_usx2y_substream	*subs = ((struct snd_usx2y_substream **)
 					 snd_pcm_substream_chip(substream))[substream->stream];
 	struct snd_pcm_runtime	*runtime = substream->runtime;
 
-	if (!(subs->usX2Y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS))
+	if (!(subs->usx2y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS))
 		return -EBUSY;
 
-	runtime->hw = SNDRV_PCM_STREAM_PLAYBACK == substream->stream ? snd_usX2Y_2c :
-		(subs->usX2Y->subs[3] ? snd_usX2Y_4c : snd_usX2Y_2c);
+	runtime->hw = SNDRV_PCM_STREAM_PLAYBACK == substream->stream ? snd_usx2y_2c :
+		(subs->usx2y->subs[3] ? snd_usx2y_4c : snd_usx2y_2c);
 	runtime->private_data = subs;
 	subs->pcm_substream = substream;
 	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 1000, 200000);
@@ -567,35 +567,35 @@ static int snd_usX2Y_usbpcm_open(struct snd_pcm_substream *substream)
 }
 
 
-static int snd_usX2Y_usbpcm_close(struct snd_pcm_substream *substream)
+static int snd_usx2y_usbpcm_close(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_usX2Y_substream *subs = runtime->private_data;
+	struct snd_usx2y_substream *subs = runtime->private_data;
 
 	subs->pcm_substream = NULL;
 	return 0;
 }
 
 
-static const struct snd_pcm_ops snd_usX2Y_usbpcm_ops =
+static const struct snd_pcm_ops snd_usx2y_usbpcm_ops =
 {
-	.open =		snd_usX2Y_usbpcm_open,
-	.close =	snd_usX2Y_usbpcm_close,
-	.hw_params =	snd_usX2Y_pcm_hw_params,
-	.hw_free =	snd_usX2Y_usbpcm_hw_free,
-	.prepare =	snd_usX2Y_usbpcm_prepare,
-	.trigger =	snd_usX2Y_pcm_trigger,
-	.pointer =	snd_usX2Y_pcm_pointer,
+	.open =		snd_usx2y_usbpcm_open,
+	.close =	snd_usx2y_usbpcm_close,
+	.hw_params =	snd_usx2y_pcm_hw_params,
+	.hw_free =	snd_usx2y_usbpcm_hw_free,
+	.prepare =	snd_usx2y_usbpcm_prepare,
+	.trigger =	snd_usx2y_pcm_trigger,
+	.pointer =	snd_usx2y_pcm_pointer,
 };
 
 
-static int usX2Y_pcms_busy_check(struct snd_card *card)
+static int usx2y_pcms_busy_check(struct snd_card *card)
 {
-	struct usX2Ydev	*dev = usX2Y(card);
+	struct usx2ydev	*dev = usx2y(card);
 	int i;
 
 	for (i = 0; i < dev->pcm_devs * 2; i++) {
-		struct snd_usX2Y_substream *subs = dev->subs[i];
+		struct snd_usx2y_substream *subs = dev->subs[i];
 		if (subs && subs->pcm_substream &&
 		    SUBSTREAM_BUSY(subs->pcm_substream))
 			return -EBUSY;
@@ -603,102 +603,102 @@ static int usX2Y_pcms_busy_check(struct snd_card *card)
 	return 0;
 }
 
-static int snd_usX2Y_hwdep_pcm_open(struct snd_hwdep *hw, struct file *file)
+static int snd_usx2y_hwdep_pcm_open(struct snd_hwdep *hw, struct file *file)
 {
 	struct snd_card *card = hw->card;
 	int err;
 
-	mutex_lock(&usX2Y(card)->pcm_mutex);
-	err = usX2Y_pcms_busy_check(card);
+	mutex_lock(&usx2y(card)->pcm_mutex);
+	err = usx2y_pcms_busy_check(card);
 	if (!err)
-		usX2Y(card)->chip_status |= USX2Y_STAT_CHIP_MMAP_PCM_URBS;
-	mutex_unlock(&usX2Y(card)->pcm_mutex);
+		usx2y(card)->chip_status |= USX2Y_STAT_CHIP_MMAP_PCM_URBS;
+	mutex_unlock(&usx2y(card)->pcm_mutex);
 	return err;
 }
 
 
-static int snd_usX2Y_hwdep_pcm_release(struct snd_hwdep *hw, struct file *file)
+static int snd_usx2y_hwdep_pcm_release(struct snd_hwdep *hw, struct file *file)
 {
 	struct snd_card *card = hw->card;
 	int err;
 
-	mutex_lock(&usX2Y(card)->pcm_mutex);
-	err = usX2Y_pcms_busy_check(card);
+	mutex_lock(&usx2y(card)->pcm_mutex);
+	err = usx2y_pcms_busy_check(card);
 	if (!err)
-		usX2Y(hw->card)->chip_status &= ~USX2Y_STAT_CHIP_MMAP_PCM_URBS;
-	mutex_unlock(&usX2Y(card)->pcm_mutex);
+		usx2y(hw->card)->chip_status &= ~USX2Y_STAT_CHIP_MMAP_PCM_URBS;
+	mutex_unlock(&usx2y(card)->pcm_mutex);
 	return err;
 }
 
 
-static void snd_usX2Y_hwdep_pcm_vm_open(struct vm_area_struct *area)
+static void snd_usx2y_hwdep_pcm_vm_open(struct vm_area_struct *area)
 {
 }
 
 
-static void snd_usX2Y_hwdep_pcm_vm_close(struct vm_area_struct *area)
+static void snd_usx2y_hwdep_pcm_vm_close(struct vm_area_struct *area)
 {
 }
 
 
-static vm_fault_t snd_usX2Y_hwdep_pcm_vm_fault(struct vm_fault *vmf)
+static vm_fault_t snd_usx2y_hwdep_pcm_vm_fault(struct vm_fault *vmf)
 {
 	unsigned long offset;
 	void *vaddr;
 
 	offset = vmf->pgoff << PAGE_SHIFT;
-	vaddr = (char *)((struct usX2Ydev *)vmf->vma->vm_private_data)->hwdep_pcm_shm + offset;
+	vaddr = (char *)((struct usx2ydev *)vmf->vma->vm_private_data)->hwdep_pcm_shm + offset;
 	vmf->page = virt_to_page(vaddr);
 	get_page(vmf->page);
 	return 0;
 }
 
 
-static const struct vm_operations_struct snd_usX2Y_hwdep_pcm_vm_ops = {
-	.open = snd_usX2Y_hwdep_pcm_vm_open,
-	.close = snd_usX2Y_hwdep_pcm_vm_close,
-	.fault = snd_usX2Y_hwdep_pcm_vm_fault,
+static const struct vm_operations_struct snd_usx2y_hwdep_pcm_vm_ops = {
+	.open = snd_usx2y_hwdep_pcm_vm_open,
+	.close = snd_usx2y_hwdep_pcm_vm_close,
+	.fault = snd_usx2y_hwdep_pcm_vm_fault,
 };
 
 
-static int snd_usX2Y_hwdep_pcm_mmap(struct snd_hwdep * hw, struct file *filp, struct vm_area_struct *area)
+static int snd_usx2y_hwdep_pcm_mmap(struct snd_hwdep * hw, struct file *filp, struct vm_area_struct *area)
 {
 	unsigned long	size = (unsigned long)(area->vm_end - area->vm_start);
-	struct usX2Ydev	*usX2Y = hw->private_data;
+	struct usx2ydev	*usx2y = hw->private_data;
 
-	if (!(usX2Y->chip_status & USX2Y_STAT_CHIP_INIT))
+	if (!(usx2y->chip_status & USX2Y_STAT_CHIP_INIT))
 		return -EBUSY;
 
 	/* if userspace tries to mmap beyond end of our buffer, fail */ 
-	if (size > PAGE_ALIGN(sizeof(struct snd_usX2Y_hwdep_pcm_shm))) {
-		snd_printd("%lu > %lu\n", size, (unsigned long)sizeof(struct snd_usX2Y_hwdep_pcm_shm)); 
+	if (size > PAGE_ALIGN(sizeof(struct snd_usx2y_hwdep_pcm_shm))) {
+		snd_printd("%lu > %lu\n", size, (unsigned long)sizeof(struct snd_usx2y_hwdep_pcm_shm)); 
 		return -EINVAL;
 	}
 
-	if (!usX2Y->hwdep_pcm_shm) {
+	if (!usx2y->hwdep_pcm_shm) {
 		return -ENODEV;
 	}
-	area->vm_ops = &snd_usX2Y_hwdep_pcm_vm_ops;
+	area->vm_ops = &snd_usx2y_hwdep_pcm_vm_ops;
 	area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
 	area->vm_private_data = hw->private_data;
 	return 0;
 }
 
 
-static void snd_usX2Y_hwdep_pcm_private_free(struct snd_hwdep *hwdep)
+static void snd_usx2y_hwdep_pcm_private_free(struct snd_hwdep *hwdep)
 {
-	struct usX2Ydev *usX2Y = hwdep->private_data;
-	if (NULL != usX2Y->hwdep_pcm_shm)
-		free_pages_exact(usX2Y->hwdep_pcm_shm, sizeof(struct snd_usX2Y_hwdep_pcm_shm));
+	struct usx2ydev *usx2y = hwdep->private_data;
+	if (NULL != usx2y->hwdep_pcm_shm)
+		free_pages_exact(usx2y->hwdep_pcm_shm, sizeof(struct snd_usx2y_hwdep_pcm_shm));
 }
 
 
-int usX2Y_hwdep_pcm_new(struct snd_card *card)
+int usx2y_hwdep_pcm_new(struct snd_card *card)
 {
 	int err;
 	struct snd_hwdep *hw;
 	struct snd_pcm *pcm;
-	struct usb_device *dev = usX2Y(card)->dev;
+	struct usb_device *dev = usx2y(card)->dev;
 	if (1 != nr_of_packs())
 		return 0;
 
@@ -706,11 +706,11 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card)
 		return err;
 
 	hw->iface = SNDRV_HWDEP_IFACE_USX2Y_PCM;
-	hw->private_data = usX2Y(card);
-	hw->private_free = snd_usX2Y_hwdep_pcm_private_free;
-	hw->ops.open = snd_usX2Y_hwdep_pcm_open;
-	hw->ops.release = snd_usX2Y_hwdep_pcm_release;
-	hw->ops.mmap = snd_usX2Y_hwdep_pcm_mmap;
+	hw->private_data = usx2y(card);
+	hw->private_free = snd_usx2y_hwdep_pcm_private_free;
+	hw->ops.open = snd_usx2y_hwdep_pcm_open;
+	hw->ops.release = snd_usx2y_hwdep_pcm_release;
+	hw->ops.mmap = snd_usx2y_hwdep_pcm_mmap;
 	hw->exclusive = 1;
 	sprintf(hw->name, "/dev/bus/usb/%03d/%03d/hwdeppcm", dev->bus->busnum, dev->devnum);
 
@@ -718,10 +718,10 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card)
 	if (err < 0) {
 		return err;
 	}
-	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usX2Y_usbpcm_ops);
-	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usX2Y_usbpcm_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usx2y_usbpcm_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usx2y_usbpcm_ops);
 
-	pcm->private_data = usX2Y(card)->subs;
+	pcm->private_data = usx2y(card)->subs;
 	pcm->info_flags = 0;
 
 	sprintf(pcm->name, NAME_ALLCAPS" hwdep Audio");
@@ -739,7 +739,7 @@ int usX2Y_hwdep_pcm_new(struct snd_card *card)
 
 #else
 
-int usX2Y_hwdep_pcm_new(struct snd_card *card)
+int usx2y_hwdep_pcm_new(struct snd_card *card)
 {
 	return 0;
 }
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.h b/sound/usb/usx2y/usx2yhwdeppcm.h
index eb5a46466f0e..731b1c5a3474 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.h
+++ b/sound/usb/usx2y/usx2yhwdeppcm.h
@@ -4,7 +4,7 @@
 #define MAXSTRIDE 3
 
 #define SSS (((MAXPACK*MAXBUFFERMS*MAXSTRIDE + 4096) / 4096) * 4096)
-struct snd_usX2Y_hwdep_pcm_shm {
+struct snd_usx2y_hwdep_pcm_shm {
 	char playback[SSS];
 	char capture0x8[SSS];
 	char capture0xA[SSS];
@@ -20,4 +20,4 @@ struct snd_usX2Y_hwdep_pcm_shm {
 	int capture_iso_start;
 };
 
-int usX2Y_hwdep_pcm_new(struct snd_card *card);
+int usx2y_hwdep_pcm_new(struct snd_card *card);
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 36f9ccfeb38a..2eb40cf5ef0c 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -729,9 +729,14 @@ static int count_sample_event(struct perf_tool *tool __maybe_unused,
 	return 0;
 }
 
+static int process_attr(struct perf_tool *tool __maybe_unused,
+			union perf_event *event,
+			struct evlist **pevlist);
+
 static void stats_setup(struct report *rep)
 {
 	memset(&rep->tool, 0, sizeof(rep->tool));
+	rep->tool.attr = process_attr;
 	rep->tool.sample = count_sample_event;
 	rep->tool.no_warn = true;
 }
@@ -753,6 +758,7 @@ static void tasks_setup(struct report *rep)
 		rep->tool.mmap = perf_event__process_mmap;
 		rep->tool.mmap2 = perf_event__process_mmap2;
 	}
+	rep->tool.attr = process_attr;
 	rep->tool.comm = perf_event__process_comm;
 	rep->tool.exit = perf_event__process_exit;
 	rep->tool.fork = perf_event__process_fork;
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index aba12a4d488e..9321bd0e2f76 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -316,7 +316,7 @@ event_pmu_name opt_pmu_config
 			if (!strncmp(name, "uncore_", 7) &&
 			    strncmp($1, "uncore_", 7))
 				name += 7;
-			if (!fnmatch(pattern, name, 0)) {
+			if (!perf_pmu__match(pattern, name, $1)) {
 				if (parse_events_copy_term_list(orig_terms, &terms))
 					CLEANUP_YYABORT;
 				if (!parse_events_add_pmu(_parse_state, list, pmu->name, terms, true, false))
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 88c8ecdc60b0..44b90d638ad5 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -3,6 +3,7 @@
 #include <linux/compiler.h>
 #include <linux/string.h>
 #include <linux/zalloc.h>
+#include <linux/ctype.h>
 #include <subcmd/pager.h>
 #include <sys/types.h>
 #include <errno.h>
@@ -17,6 +18,7 @@
 #include <locale.h>
 #include <regex.h>
 #include <perf/cpumap.h>
+#include <fnmatch.h>
 #include "debug.h"
 #include "evsel.h"
 #include "pmu.h"
@@ -740,6 +742,27 @@ struct pmu_events_map *__weak pmu_events_map__find(void)
 	return perf_pmu__find_map(NULL);
 }
 
+static bool perf_pmu__valid_suffix(char *pmu_name, char *tok)
+{
+	char *p;
+
+	if (strncmp(pmu_name, tok, strlen(tok)))
+		return false;
+
+	p = pmu_name + strlen(tok);
+	if (*p == 0)
+		return true;
+
+	if (*p != '_')
+		return false;
+
+	++p;
+	if (*p == 0 || !isdigit(*p))
+		return false;
+
+	return true;
+}
+
 bool pmu_uncore_alias_match(const char *pmu_name, const char *name)
 {
 	char *tmp = NULL, *tok, *str;
@@ -768,7 +791,7 @@ bool pmu_uncore_alias_match(const char *pmu_name, const char *name)
 	 */
 	for (; tok; name += strlen(tok), tok = strtok_r(NULL, ",", &tmp)) {
 		name = strstr(name, tok);
-		if (!name) {
+		if (!name || !perf_pmu__valid_suffix((char *)name, tok)) {
 			res = false;
 			goto out;
 		}
@@ -1872,3 +1895,14 @@ bool perf_pmu__has_hybrid(void)
 
 	return !list_empty(&perf_pmu__hybrid_pmus);
 }
+
+int perf_pmu__match(char *pattern, char *name, char *tok)
+{
+	if (fnmatch(pattern, name, 0))
+		return -1;
+
+	if (tok && !perf_pmu__valid_suffix(name, tok))
+		return -1;
+
+	return 0;
+}
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index a790ef758171..926da483a141 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -133,5 +133,6 @@ void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config,
 				   char *name);
 
 bool perf_pmu__has_hybrid(void);
+int perf_pmu__match(char *pattern, char *name, char *tok);
 
 #endif /* __PMU_H */
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 3dfc543327af..18dbd9cddda8 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -687,7 +687,7 @@ static void set_sample_datasrc_in_dict(PyObject *dict,
 			_PyUnicode_FromString(decode));
 }
 
-static int regs_map(struct regs_dump *regs, uint64_t mask, char *bf, int size)
+static void regs_map(struct regs_dump *regs, uint64_t mask, char *bf, int size)
 {
 	unsigned int i = 0, r;
 	int printed = 0;
@@ -695,7 +695,7 @@ static int regs_map(struct regs_dump *regs, uint64_t mask, char *bf, int size)
 	bf[0] = 0;
 
 	if (!regs || !regs->regs)
-		return 0;
+		return;
 
 	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 		u64 val = regs->regs[i++];
@@ -704,8 +704,6 @@ static int regs_map(struct regs_dump *regs, uint64_t mask, char *bf, int size)
 				     "%5s:0x%" PRIx64 " ",
 				     perf_reg_name(r), val);
 	}
-
-	return printed;
 }
 
 static void set_regs_in_dict(PyObject *dict,
@@ -713,7 +711,16 @@ static void set_regs_in_dict(PyObject *dict,
 			     struct evsel *evsel)
 {
 	struct perf_event_attr *attr = &evsel->core.attr;
-	char bf[512];
+
+	/*
+	 * Here value 28 is a constant size which can be used to print
+	 * one register value and its corresponds to:
+	 * 16 chars is to specify 64 bit register in hexadecimal.
+	 * 2 chars is for appending "0x" to the hexadecimal value and
+	 * 10 chars is for register name.
+	 */
+	int size = __sw_hweight64(attr->sample_regs_intr) * 28;
+	char bf[size];
 
 	regs_map(&sample->intr_regs, attr->sample_regs_intr, bf, sizeof(bf));
 
diff --git a/tools/testing/selftests/kvm/set_memory_region_test.c b/tools/testing/selftests/kvm/set_memory_region_test.c
index d8812f27648c..d31f54ac4e98 100644
--- a/tools/testing/selftests/kvm/set_memory_region_test.c
+++ b/tools/testing/selftests/kvm/set_memory_region_test.c
@@ -377,7 +377,8 @@ static void test_add_max_memory_regions(void)
 		(max_mem_slots - 1), MEM_REGION_SIZE >> 10);
 
 	mem = mmap(NULL, (size_t)max_mem_slots * MEM_REGION_SIZE + alignment,
-		   PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+		   PROT_READ | PROT_WRITE,
+		   MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
 	TEST_ASSERT(mem != MAP_FAILED, "Failed to mmap() host");
 	mem_aligned = (void *)(((size_t) mem + alignment - 1) & ~(alignment - 1));
 
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
index fc5bf4870d8e..01e827c31169 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/no_handler_test.c
@@ -50,8 +50,6 @@ static int no_handler_test(void)
 
 	event_close(&event);
 
-	dump_ebb_state();
-
 	/* The real test is that we never took an EBB at 0x0 */
 
 	return 0;
diff --git a/tools/testing/selftests/timers/rtcpie.c b/tools/testing/selftests/timers/rtcpie.c
index 47b5bad1b393..4ef2184f1558 100644
--- a/tools/testing/selftests/timers/rtcpie.c
+++ b/tools/testing/selftests/timers/rtcpie.c
@@ -18,6 +18,8 @@
 #include <stdlib.h>
 #include <errno.h>
 
+#include "../kselftest.h"
+
 /*
  * This expects the new RTC class driver framework, working with
  * clocks that will often not be clones of what the PC-AT had.
@@ -35,8 +37,14 @@ int main(int argc, char **argv)
 	switch (argc) {
 	case 2:
 		rtc = argv[1];
-		/* FALLTHROUGH */
+		break;
 	case 1:
+		fd = open(default_rtc, O_RDONLY);
+		if (fd == -1) {
+			printf("Default RTC %s does not exist. Test Skipped!\n", default_rtc);
+			exit(KSFT_SKIP);
+		}
+		close(fd);
 		break;
 	default:
 		fprintf(stderr, "usage:  rtctest [rtcdev] [d]\n");
diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
index f08f5e82460b..0be80c213f7f 100644
--- a/virt/kvm/coalesced_mmio.c
+++ b/virt/kvm/coalesced_mmio.c
@@ -186,7 +186,6 @@ int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
 		    coalesced_mmio_in_range(dev, zone->addr, zone->size)) {
 			r = kvm_io_bus_unregister_dev(kvm,
 				zone->pio ? KVM_PIO_BUS : KVM_MMIO_BUS, &dev->dev);
-			kvm_iodevice_destructor(&dev->dev);
 
 			/*
 			 * On failure, unregister destroys all devices on the
@@ -196,6 +195,7 @@ int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
 			 */
 			if (r)
 				break;
+			kvm_iodevice_destructor(&dev->dev);
 		}
 	}
 
