Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fix from Thomas Gleixner:
 "A single fix to unbreak a clocksource driver which has more than 32bit
  counter width"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource: Mmio: remove artificial 32bit limitation
diff --git a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
index f2455c5..120bc49 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
@@ -11,6 +11,10 @@
       0 = active high
       1 = active low
 
+Optional properties:
+- little-endian : GPIO registers are used as little endian. If not
+                  present registers are used as big endian by default.
+
 Example:
 
 gpio0: gpio@1100 {
diff --git a/MAINTAINERS b/MAINTAINERS
index 38df53f..9bff63c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2975,6 +2975,7 @@
 CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)
 M:	Johannes Weiner <hannes@cmpxchg.org>
 M:	Michal Hocko <mhocko@kernel.org>
+M:	Vladimir Davydov <vdavydov@virtuozzo.com>
 L:	cgroups@vger.kernel.org
 L:	linux-mm@kvack.org
 S:	Maintained
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index d83ff9c..de8791a 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -74,7 +74,7 @@
 		reg = <0x48240200 0x100>;
 		interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
 		interrupt-parent = <&gic>;
-		clocks = <&dpll_mpu_m2_ck>;
+		clocks = <&mpu_periphclk>;
 	};
 
 	local_timer: timer@48240600 {
@@ -82,7 +82,7 @@
 		reg = <0x48240600 0x100>;
 		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
 		interrupt-parent = <&gic>;
-		clocks = <&dpll_mpu_m2_ck>;
+		clocks = <&mpu_periphclk>;
 	};
 
 	l2-cache-controller@48242000 {
diff --git a/arch/arm/boot/dts/am43xx-clocks.dtsi b/arch/arm/boot/dts/am43xx-clocks.dtsi
index cc88728..a38af2b 100644
--- a/arch/arm/boot/dts/am43xx-clocks.dtsi
+++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
@@ -259,6 +259,14 @@
 		ti,invert-autoidle-bit;
 	};
 
+	mpu_periphclk: mpu_periphclk {
+		#clock-cells = <0>;
+		compatible = "fixed-factor-clock";
+		clocks = <&dpll_mpu_m2_ck>;
+		clock-mult = <1>;
+		clock-div = <2>;
+	};
+
 	dpll_ddr_ck: dpll_ddr_ck {
 		#clock-cells = <0>;
 		compatible = "ti,am3-dpll-clock";
diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index ad6de73..e74df32 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -184,6 +184,7 @@
 							regulator-name = "VDD_SDHC_1V8";
 							regulator-min-microvolt = <1800000>;
 							regulator-max-microvolt = <1800000>;
+							regulator-always-on;
 						};
 					};
 				};
diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi
index 8ea177f..fb1da99 100644
--- a/arch/arm/boot/dts/berlin2q.dtsi
+++ b/arch/arm/boot/dts/berlin2q.dtsi
@@ -118,7 +118,8 @@
 		sdhci0: sdhci@ab0000 {
 			compatible = "mrvl,pxav3-mmc";
 			reg = <0xab0000 0x200>;
-			clocks = <&chip_clk CLKID_SDIO1XIN>;
+			clocks = <&chip_clk CLKID_SDIO1XIN>, <&chip_clk CLKID_SDIO>;
+			clock-names = "io", "core";
 			interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 		};
@@ -126,7 +127,8 @@
 		sdhci1: sdhci@ab0800 {
 			compatible = "mrvl,pxav3-mmc";
 			reg = <0xab0800 0x200>;
-			clocks = <&chip_clk CLKID_SDIO1XIN>;
+			clocks = <&chip_clk CLKID_SDIO1XIN>, <&chip_clk CLKID_SDIO>;
+			clock-names = "io", "core";
 			interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 		};
@@ -135,7 +137,7 @@
 			compatible = "mrvl,pxav3-mmc";
 			reg = <0xab1000 0x200>;
 			interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&chip_clk CLKID_NFC_ECC>, <&chip_clk CLKID_NFC>;
+			clocks = <&chip_clk CLKID_NFC_ECC>, <&chip_clk CLKID_SDIO>;
 			clock-names = "io", "core";
 			status = "disabled";
 		};
diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi
index 3c99cfa..eee636d 100644
--- a/arch/arm/boot/dts/dm816x.dtsi
+++ b/arch/arm/boot/dts/dm816x.dtsi
@@ -218,6 +218,7 @@
 			reg = <0x480c8000 0x2000>;
 			interrupts = <77>;
 			ti,hwmods = "mailbox";
+			#mbox-cells = <1>;
 			ti,mbox-num-users = <4>;
 			ti,mbox-num-fifos = <12>;
 			mbox_dsp: mbox_dsp {
@@ -279,8 +280,11 @@
 			ti,spi-num-cs = <4>;
 			ti,hwmods = "mcspi1";
 			dmas = <&edma 16 &edma 17
-				&edma 18 &edma 19>;
-			dma-names = "tx0", "rx0", "tx1", "rx1";
+				&edma 18 &edma 19
+				&edma 20 &edma 21
+				&edma 22 &edma 23>;
+			dma-names = "tx0", "rx0", "tx1", "rx1",
+				    "tx2", "rx2", "tx3", "rx3";
 		};
 
 		mmc1: mmc@48060000 {
diff --git a/arch/arm/boot/dts/vf610-colibri.dtsi b/arch/arm/boot/dts/vf610-colibri.dtsi
index 19fe045..2d7eab7 100644
--- a/arch/arm/boot/dts/vf610-colibri.dtsi
+++ b/arch/arm/boot/dts/vf610-colibri.dtsi
@@ -18,8 +18,3 @@
 		reg = <0x80000000 0x10000000>;
 	};
 };
-
-&L2 {
-	arm,data-latency = <2 1 2>;
-	arm,tag-latency = <3 2 3>;
-};
diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi
index 5f8eb1b..58bc6e4 100644
--- a/arch/arm/boot/dts/vf610.dtsi
+++ b/arch/arm/boot/dts/vf610.dtsi
@@ -19,7 +19,7 @@
 		reg = <0x40006000 0x1000>;
 		cache-unified;
 		cache-level = <2>;
-		arm,data-latency = <1 1 1>;
+		arm,data-latency = <3 3 3>;
 		arm,tag-latency = <2 2 2>;
 	};
 };
diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi
index 0d5acc2..3cd1b27 100644
--- a/arch/arm/boot/dts/vfxxx.dtsi
+++ b/arch/arm/boot/dts/vfxxx.dtsi
@@ -178,8 +178,10 @@
 				compatible = "fsl,vf610-sai";
 				reg = <0x40031000 0x1000>;
 				interrupts = <86 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&clks VF610_CLK_SAI2>;
-				clock-names = "sai";
+				clocks = <&clks VF610_CLK_SAI2>,
+					<&clks VF610_CLK_SAI2_DIV>,
+					<&clks 0>, <&clks 0>;
+				clock-names = "bus", "mclk1", "mclk2", "mclk3";
 				dma-names = "tx", "rx";
 				dmas = <&edma0 0 21>,
 					<&edma0 0 20>;
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 9267300..28656c2 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -4,7 +4,6 @@
 	select ARCH_REQUIRE_GPIOLIB
 	select COMMON_CLK_AT91
 	select PINCTRL
-	select PINCTRL_AT91
 	select SOC_BUS
 
 if ARCH_AT91
@@ -17,6 +16,7 @@
 	select HAVE_AT91_USB_CLK
 	select HAVE_AT91_H32MX
 	select HAVE_AT91_GENERATED_CLK
+	select PINCTRL_AT91PIO4
 	help
 	  Select this if ou are using one of Atmel's SAMA5D2 family SoC.
 
@@ -27,6 +27,7 @@
 	select HAVE_AT91_UTMI
 	select HAVE_AT91_SMD
 	select HAVE_AT91_USB_CLK
+	select PINCTRL_AT91
 	help
 	  Select this if you are using one of Atmel's SAMA5D3 family SoC.
 	  This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.
@@ -40,6 +41,7 @@
 	select HAVE_AT91_SMD
 	select HAVE_AT91_USB_CLK
 	select HAVE_AT91_H32MX
+	select PINCTRL_AT91
 	help
 	  Select this if you are using one of Atmel's SAMA5D4 family SoC.
 
@@ -50,6 +52,7 @@
 	select CPU_ARM920T
 	select HAVE_AT91_USB_CLK
 	select MIGHT_HAVE_PCI
+	select PINCTRL_AT91
 	select SOC_SAM_V4_V5
 	select SRAM if PM
 	help
@@ -65,6 +68,7 @@
 	select HAVE_AT91_UTMI
 	select HAVE_FB_ATMEL
 	select MEMORY
+	select PINCTRL_AT91
 	select SOC_SAM_V4_V5
 	select SRAM if PM
 	help
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 80e277c..23726fb 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -41,8 +41,10 @@
  * implementation should be moved down into the pinctrl driver and get
  * called as part of the generic suspend/resume path.
  */
+#ifdef CONFIG_PINCTRL_AT91
 extern void at91_pinctrl_gpio_suspend(void);
 extern void at91_pinctrl_gpio_resume(void);
+#endif
 
 static struct {
 	unsigned long uhp_udp_mask;
@@ -151,8 +153,9 @@
 
 static int at91_pm_enter(suspend_state_t state)
 {
+#ifdef CONFIG_PINCTRL_AT91
 	at91_pinctrl_gpio_suspend();
-
+#endif
 	switch (state) {
 	/*
 	 * Suspend-to-RAM is like STANDBY plus slow clock mode, so
@@ -192,7 +195,9 @@
 error:
 	target_state = PM_SUSPEND_ON;
 
+#ifdef CONFIG_PINCTRL_AT91
 	at91_pinctrl_gpio_resume();
+#endif
 	return 0;
 }
 
diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c
index de68938..c21e41d 100644
--- a/arch/arm/mach-exynos/pmu.c
+++ b/arch/arm/mach-exynos/pmu.c
@@ -748,8 +748,12 @@
 void exynos_sys_powerdown_conf(enum sys_powerdown mode)
 {
 	unsigned int i;
+	const struct exynos_pmu_data *pmu_data;
 
-	const struct exynos_pmu_data *pmu_data = pmu_context->pmu_data;
+	if (!pmu_context)
+		return;
+
+	pmu_data = pmu_context->pmu_data;
 
 	if (pmu_data->powerdown_conf)
 		pmu_data->powerdown_conf(mode);
diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h
index b024390..7a0c13b 100644
--- a/arch/arm/mach-ixp4xx/include/mach/io.h
+++ b/arch/arm/mach-ixp4xx/include/mach/io.h
@@ -143,7 +143,7 @@
 		writel(*vaddr++, bus_addr);
 }
 
-static inline unsigned char __indirect_readb(const volatile void __iomem *p)
+static inline u8 __indirect_readb(const volatile void __iomem *p)
 {
 	u32 addr = (u32)p;
 	u32 n, byte_enables, data;
@@ -166,7 +166,7 @@
 		*vaddr++ = readb(bus_addr);
 }
 
-static inline unsigned short __indirect_readw(const volatile void __iomem *p)
+static inline u16 __indirect_readw(const volatile void __iomem *p)
 {
 	u32 addr = (u32)p;
 	u32 n, byte_enables, data;
@@ -189,7 +189,7 @@
 		*vaddr++ = readw(bus_addr);
 }
 
-static inline unsigned long __indirect_readl(const volatile void __iomem *p)
+static inline u32 __indirect_readl(const volatile void __iomem *p)
 {
 	u32 addr = (__force u32)p;
 	u32 data;
@@ -350,7 +350,7 @@
 					((unsigned long)p <= (PIO_MASK + PIO_OFFSET)))
 
 #define	ioread8(p)			ioread8(p)
-static inline unsigned int ioread8(const void __iomem *addr)
+static inline u8 ioread8(const void __iomem *addr)
 {
 	unsigned long port = (unsigned long __force)addr;
 	if (__is_io_address(port))
@@ -378,7 +378,7 @@
 }
 
 #define	ioread16(p)			ioread16(p)
-static inline unsigned int ioread16(const void __iomem *addr)
+static inline u16 ioread16(const void __iomem *addr)
 {
 	unsigned long port = (unsigned long __force)addr;
 	if (__is_io_address(port))
@@ -407,7 +407,7 @@
 }
 
 #define	ioread32(p)			ioread32(p)
-static inline unsigned int ioread32(const void __iomem *addr)
+static inline u32 ioread32(const void __iomem *addr)
 {
 	unsigned long port = (unsigned long __force)addr;
 	if (__is_io_address(port))
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 5076d3f..4b4371d 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -121,6 +121,7 @@
 	select NEON if CPU_V7
 	select PM
 	select REGULATOR
+	select REGULATOR_FIXED_VOLTAGE
 	select TWL4030_CORE if ARCH_OMAP3 || ARCH_OMAP4
 	select TWL4030_POWER if ARCH_OMAP3 || ARCH_OMAP4
 	select VFP
@@ -201,7 +202,6 @@
 	depends on ARCH_OMAP3
 	default y
 	select OMAP_PACKAGE_CBB
-	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_NOKIA_N810
        bool
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c
index 9a9c15b..7c0d561 100644
--- a/arch/arm/mach-pxa/ezx.c
+++ b/arch/arm/mach-pxa/ezx.c
@@ -889,6 +889,7 @@
 
 	pxa_set_keypad_info(&e680_keypad_platform_data);
 
+	pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
 	platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
 	platform_add_devices(ARRAY_AND_SIZE(e680_devices));
 }
@@ -956,6 +957,7 @@
 
 	pxa_set_keypad_info(&a1200_keypad_platform_data);
 
+	pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
 	platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
 	platform_add_devices(ARRAY_AND_SIZE(a1200_devices));
 }
@@ -1148,6 +1150,7 @@
 		platform_device_register(&a910_camera);
 	}
 
+	pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
 	platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
 	platform_add_devices(ARRAY_AND_SIZE(a910_devices));
 }
@@ -1215,6 +1218,7 @@
 
 	pxa_set_keypad_info(&e6_keypad_platform_data);
 
+	pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
 	platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
 	platform_add_devices(ARRAY_AND_SIZE(e6_devices));
 }
@@ -1256,6 +1260,7 @@
 
 	pxa_set_keypad_info(&e2_keypad_platform_data);
 
+	pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup));
 	platform_add_devices(ARRAY_AND_SIZE(ezx_devices));
 	platform_add_devices(ARRAY_AND_SIZE(e2_devices));
 }
diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c
index a19460e..b355fca 100644
--- a/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c
+++ b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c
@@ -20,7 +20,7 @@
 #include <plat/cpu.h>
 #include <plat/cpu-freq-core.h>
 
-static struct cpufreq_frequency_table s3c2440_plls_12[] __initdata = {
+static struct cpufreq_frequency_table s3c2440_plls_12[] = {
 	{ .frequency = 75000000,	.driver_data = PLLVAL(0x75, 3, 3),  }, 	/* FVco 600.000000 */
 	{ .frequency = 80000000,	.driver_data = PLLVAL(0x98, 4, 3),  }, 	/* FVco 640.000000 */
 	{ .frequency = 90000000,	.driver_data = PLLVAL(0x70, 2, 3),  }, 	/* FVco 720.000000 */
diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c
index 1191b29..be9a248 100644
--- a/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c
+++ b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c
@@ -20,7 +20,7 @@
 #include <plat/cpu.h>
 #include <plat/cpu-freq-core.h>
 
-static struct cpufreq_frequency_table s3c2440_plls_169344[] __initdata = {
+static struct cpufreq_frequency_table s3c2440_plls_169344[] = {
 	{ .frequency = 78019200,	.driver_data = PLLVAL(121, 5, 3), 	}, 	/* FVco 624.153600 */
 	{ .frequency = 84067200,	.driver_data = PLLVAL(131, 5, 3), 	}, 	/* FVco 672.537600 */
 	{ .frequency = 90115200,	.driver_data = PLLVAL(141, 5, 3), 	}, 	/* FVco 720.921600 */
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
index e81cd48..925552e 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
@@ -269,6 +269,7 @@
 			clock-frequency = <0>;	/* Updated by bootloader */
 			voltage-ranges = <1800 1800 3300 3300>;
 			sdhci,auto-cmd12;
+			little-endian;
 			bus-width = <4>;
 		};
 
@@ -277,6 +278,7 @@
 			reg = <0x0 0x2300000 0x0 0x10000>;
 			interrupts = <0 36 0x4>; /* Level high type */
 			gpio-controller;
+			little-endian;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupt-cells = <2>;
@@ -287,6 +289,7 @@
 			reg = <0x0 0x2310000 0x0 0x10000>;
 			interrupts = <0 36 0x4>; /* Level high type */
 			gpio-controller;
+			little-endian;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupt-cells = <2>;
@@ -297,6 +300,7 @@
 			reg = <0x0 0x2320000 0x0 0x10000>;
 			interrupts = <0 37 0x4>; /* Level high type */
 			gpio-controller;
+			little-endian;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupt-cells = <2>;
@@ -307,6 +311,7 @@
 			reg = <0x0 0x2330000 0x0 0x10000>;
 			interrupts = <0 37 0x4>; /* Level high type */
 			gpio-controller;
+			little-endian;
 			#gpio-cells = <2>;
 			interrupt-controller;
 			#interrupt-cells = <2>;
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 7e074f9..63f52b5 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -276,10 +276,14 @@
 	 * hardware updates of the pte (ptep_set_access_flags safely changes
 	 * valid ptes without going through an invalid entry).
 	 */
-	if (IS_ENABLED(CONFIG_DEBUG_VM) && IS_ENABLED(CONFIG_ARM64_HW_AFDBM) &&
-	    pte_valid(*ptep)) {
-		BUG_ON(!pte_young(pte));
-		BUG_ON(pte_write(*ptep) && !pte_dirty(pte));
+	if (IS_ENABLED(CONFIG_ARM64_HW_AFDBM) &&
+	    pte_valid(*ptep) && pte_valid(pte)) {
+		VM_WARN_ONCE(!pte_young(pte),
+			     "%s: racy access flag clearing: 0x%016llx -> 0x%016llx",
+			     __func__, pte_val(*ptep), pte_val(pte));
+		VM_WARN_ONCE(pte_write(*ptep) && !pte_dirty(pte),
+			     "%s: racy dirty state clearing: 0x%016llx -> 0x%016llx",
+			     __func__, pte_val(*ptep), pte_val(pte));
 	}
 
 	set_pte(ptep, pte);
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 1ee2c39..71426a78 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -5,6 +5,7 @@
  */
 
 #include <asm-generic/vmlinux.lds.h>
+#include <asm/cache.h>
 #include <asm/kernel-pgtable.h>
 #include <asm/thread_info.h>
 #include <asm/memory.h>
@@ -140,7 +141,7 @@
 		ARM_EXIT_KEEP(EXIT_DATA)
 	}
 
-	PERCPU_SECTION(64)
+	PERCPU_SECTION(L1_CACHE_BYTES)
 
 	. = ALIGN(PAGE_SIZE);
 	__init_end = .;
@@ -158,7 +159,7 @@
 	. = ALIGN(PAGE_SIZE);
 	_data = .;
 	_sdata = .;
-	RW_DATA_SECTION(64, PAGE_SIZE, THREAD_SIZE)
+	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 	PECOFF_EDATA_PADDING
 	_edata = .;
 
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index d8117be..730d394 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -145,7 +145,7 @@
 
 	gfp = massage_gfp_flags(dev, gfp);
 
-	if (IS_ENABLED(CONFIG_DMA_CMA) && !(gfp & GFP_ATOMIC))
+	if (IS_ENABLED(CONFIG_DMA_CMA) && gfpflags_allow_blocking(gfp))
 		page = dma_alloc_from_contiguous(dev,
 					count, get_order(size));
 	if (!page)
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index d8534f9..291cee2 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -372,7 +372,8 @@
  */
 #ifdef CONFIG_HUGETLB_PAGE
 #define pte_huge(pte)           (pte_val(pte) & _PAGE_HUGE)
-#define pte_mkhuge(pte)         (__pte(pte_val(pte) | _PAGE_HUGE))
+#define pte_mkhuge(pte)         (__pte(pte_val(pte) | \
+				 (parisc_requires_coherency() ? 0 : _PAGE_HUGE)))
 #else
 #define pte_huge(pte)           (0)
 #define pte_mkhuge(pte)         (pte)
diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h
index 3317038..35bdccb 100644
--- a/arch/parisc/include/uapi/asm/unistd.h
+++ b/arch/parisc/include/uapi/asm/unistd.h
@@ -360,8 +360,9 @@
 #define __NR_execveat		(__NR_Linux + 342)
 #define __NR_membarrier		(__NR_Linux + 343)
 #define __NR_userfaultfd	(__NR_Linux + 344)
+#define __NR_mlock2		(__NR_Linux + 345)
 
-#define __NR_Linux_syscalls	(__NR_userfaultfd + 1)
+#define __NR_Linux_syscalls	(__NR_mlock2 + 1)
 
 
 #define __IGNORE_select		/* newselect */
diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c
index 64f2764..c99f3dd 100644
--- a/arch/parisc/kernel/pci.c
+++ b/arch/parisc/kernel/pci.c
@@ -171,24 +171,6 @@
 }
 
 
-void __init pcibios_init_bus(struct pci_bus *bus)
-{
-	struct pci_dev *dev = bus->self;
-	unsigned short bridge_ctl;
-
-	/* We deal only with pci controllers and pci-pci bridges. */
-	if (!dev || (dev->class >> 8) != PCI_CLASS_BRIDGE_PCI)
-		return;
-
-	/* PCI-PCI bridge - set the cache line and default latency
-	   (32) for primary and secondary buses. */
-	pci_write_config_byte(dev, PCI_SEC_LATENCY_TIMER, 32);
-
-	pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &bridge_ctl);
-	bridge_ctl |= PCI_BRIDGE_CTL_PARITY | PCI_BRIDGE_CTL_SERR;
-	pci_write_config_word(dev, PCI_BRIDGE_CONTROL, bridge_ctl);
-}
-
 /*
  * pcibios align resources() is called every time generic PCI code
  * wants to generate a new address. The process of looking for
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 78c3ef8..d4ffcfb 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -440,6 +440,7 @@
 	ENTRY_COMP(execveat)
 	ENTRY_SAME(membarrier)
 	ENTRY_SAME(userfaultfd)
+	ENTRY_SAME(mlock2)		/* 345 */
 
 
 .ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))
diff --git a/arch/powerpc/boot/dts/sbc8641d.dts b/arch/powerpc/boot/dts/sbc8641d.dts
index 631ede7..68f0ed7 100644
--- a/arch/powerpc/boot/dts/sbc8641d.dts
+++ b/arch/powerpc/boot/dts/sbc8641d.dts
@@ -227,23 +227,15 @@
 				reg = <0x520 0x20>;
 
 				phy0: ethernet-phy@1f {
-					interrupt-parent = <&mpic>;
-					interrupts = <10 1>;
 					reg = <0x1f>;
 				};
 				phy1: ethernet-phy@0 {
-					interrupt-parent = <&mpic>;
-					interrupts = <10 1>;
 					reg = <0>;
 				};
 				phy2: ethernet-phy@1 {
-					interrupt-parent = <&mpic>;
-					interrupts = <10 1>;
 					reg = <1>;
 				};
 				phy3: ethernet-phy@2 {
-					interrupt-parent = <&mpic>;
-					interrupts = <10 1>;
 					reg = <2>;
 				};
 				tbi0: tbi-phy@11 {
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 80dfe89..8d14feb 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -590,16 +590,10 @@
 	eeh_ops->configure_bridge(pe);
 	eeh_pe_restore_bars(pe);
 
-	/*
-	 * If it's PHB PE, the frozen state on all available PEs should have
-	 * been cleared by the PHB reset. Otherwise, we unfreeze the PE and its
-	 * child PEs because they might be in frozen state.
-	 */
-	if (!(pe->type & EEH_PE_PHB)) {
-		rc = eeh_clear_pe_frozen_state(pe, false);
-		if (rc)
-			return rc;
-	}
+	/* Clear frozen state */
+	rc = eeh_clear_pe_frozen_state(pe, false);
+	if (rc)
+		return rc;
 
 	/* Give the system 5 seconds to finish running the user-space
 	 * hotplug shutdown scripts, e.g. ifdown for ethernet.  Yes,
diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c
index 6ccfb6c..0a00e2a 100644
--- a/arch/powerpc/platforms/powernv/opal-irqchip.c
+++ b/arch/powerpc/platforms/powernv/opal-irqchip.c
@@ -43,11 +43,34 @@
 static unsigned int *opal_irqs;
 
 static void opal_handle_irq_work(struct irq_work *work);
-static __be64 last_outstanding_events;
+static u64 last_outstanding_events;
 static struct irq_work opal_event_irq_work = {
 	.func = opal_handle_irq_work,
 };
 
+void opal_handle_events(uint64_t events)
+{
+	int virq, hwirq = 0;
+	u64 mask = opal_event_irqchip.mask;
+
+	if (!in_irq() && (events & mask)) {
+		last_outstanding_events = events;
+		irq_work_queue(&opal_event_irq_work);
+		return;
+	}
+
+	while (events & mask) {
+		hwirq = fls64(events) - 1;
+		if (BIT_ULL(hwirq) & mask) {
+			virq = irq_find_mapping(opal_event_irqchip.domain,
+						hwirq);
+			if (virq)
+				generic_handle_irq(virq);
+		}
+		events &= ~BIT_ULL(hwirq);
+	}
+}
+
 static void opal_event_mask(struct irq_data *d)
 {
 	clear_bit(d->hwirq, &opal_event_irqchip.mask);
@@ -55,12 +78,12 @@
 
 static void opal_event_unmask(struct irq_data *d)
 {
+	__be64 events;
+
 	set_bit(d->hwirq, &opal_event_irqchip.mask);
 
-	opal_poll_events(&last_outstanding_events);
-	if (last_outstanding_events & opal_event_irqchip.mask)
-		/* Need to retrigger the interrupt */
-		irq_work_queue(&opal_event_irq_work);
+	opal_poll_events(&events);
+	opal_handle_events(be64_to_cpu(events));
 }
 
 static int opal_event_set_type(struct irq_data *d, unsigned int flow_type)
@@ -96,29 +119,6 @@
 	return 0;
 }
 
-void opal_handle_events(uint64_t events)
-{
-	int virq, hwirq = 0;
-	u64 mask = opal_event_irqchip.mask;
-
-	if (!in_irq() && (events & mask)) {
-		last_outstanding_events = events;
-		irq_work_queue(&opal_event_irq_work);
-		return;
-	}
-
-	while (events & mask) {
-		hwirq = fls64(events) - 1;
-		if (BIT_ULL(hwirq) & mask) {
-			virq = irq_find_mapping(opal_event_irqchip.domain,
-						hwirq);
-			if (virq)
-				generic_handle_irq(virq);
-		}
-		events &= ~BIT_ULL(hwirq);
-	}
-}
-
 static irqreturn_t opal_interrupt(int irq, void *data)
 {
 	__be64 events;
@@ -131,7 +131,7 @@
 
 static void opal_handle_irq_work(struct irq_work *work)
 {
-	opal_handle_events(be64_to_cpu(last_outstanding_events));
+	opal_handle_events(last_outstanding_events);
 }
 
 static int opal_event_match(struct irq_domain *h, struct device_node *node,
diff --git a/arch/sh/include/uapi/asm/unistd_64.h b/arch/sh/include/uapi/asm/unistd_64.h
index e6820c8..47ebd5b 100644
--- a/arch/sh/include/uapi/asm/unistd_64.h
+++ b/arch/sh/include/uapi/asm/unistd_64.h
@@ -278,7 +278,7 @@
 #define __NR_fsetxattr		256
 #define __NR_getxattr		257
 #define __NR_lgetxattr		258
-#define __NR_fgetxattr		269
+#define __NR_fgetxattr		259
 #define __NR_listxattr		260
 #define __NR_llistxattr		261
 #define __NR_flistxattr		262
diff --git a/block/blk-core.c b/block/blk-core.c
index a0af404..3636be4 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -3405,6 +3405,9 @@
 {
 	int ret = 0;
 
+	if (!q->dev)
+		return ret;
+
 	spin_lock_irq(q->queue_lock);
 	if (q->nr_pending) {
 		ret = -EBUSY;
@@ -3432,6 +3435,9 @@
  */
 void blk_post_runtime_suspend(struct request_queue *q, int err)
 {
+	if (!q->dev)
+		return;
+
 	spin_lock_irq(q->queue_lock);
 	if (!err) {
 		q->rpm_status = RPM_SUSPENDED;
@@ -3456,6 +3462,9 @@
  */
 void blk_pre_runtime_resume(struct request_queue *q)
 {
+	if (!q->dev)
+		return;
+
 	spin_lock_irq(q->queue_lock);
 	q->rpm_status = RPM_RESUMING;
 	spin_unlock_irq(q->queue_lock);
@@ -3478,6 +3487,9 @@
  */
 void blk_post_runtime_resume(struct request_queue *q, int err)
 {
+	if (!q->dev)
+		return;
+
 	spin_lock_irq(q->queue_lock);
 	if (!err) {
 		q->rpm_status = RPM_ACTIVE;
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 2804aed..25425d3 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -303,6 +303,10 @@
 	if (mem->state == MEM_OFFLINE)
 		return 0;
 
+	/* Can't offline block with non-present sections */
+	if (mem->section_count != sections_per_block)
+		return -EINVAL;
+
 	return memory_block_change_state(mem, MEM_OFFLINE, MEM_ONLINE);
 }
 
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 0c3940e..8162475 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -444,8 +444,9 @@
 	blk_put_request(rq);
 }
 
-static int null_lnvm_submit_io(struct request_queue *q, struct nvm_rq *rqd)
+static int null_lnvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd)
 {
+	struct request_queue *q = dev->q;
 	struct request *rq;
 	struct bio *bio = rqd->bio;
 
@@ -470,7 +471,7 @@
 	return 0;
 }
 
-static int null_lnvm_id(struct request_queue *q, struct nvm_id *id)
+static int null_lnvm_id(struct nvm_dev *dev, struct nvm_id *id)
 {
 	sector_t size = gb * 1024 * 1024 * 1024ULL;
 	sector_t blksize;
@@ -523,7 +524,7 @@
 	return 0;
 }
 
-static void *null_lnvm_create_dma_pool(struct request_queue *q, char *name)
+static void *null_lnvm_create_dma_pool(struct nvm_dev *dev, char *name)
 {
 	mempool_t *virtmem_pool;
 
@@ -541,7 +542,7 @@
 	mempool_destroy(pool);
 }
 
-static void *null_lnvm_dev_dma_alloc(struct request_queue *q, void *pool,
+static void *null_lnvm_dev_dma_alloc(struct nvm_dev *dev, void *pool,
 				gfp_t mem_flags, dma_addr_t *dma_handler)
 {
 	return mempool_alloc(pool, mem_flags);
@@ -765,7 +766,9 @@
 
 static int __init null_init(void)
 {
+	int ret = 0;
 	unsigned int i;
+	struct nullb *nullb;
 
 	if (bs > PAGE_SIZE) {
 		pr_warn("null_blk: invalid block size\n");
@@ -807,22 +810,29 @@
 								0, 0, NULL);
 		if (!ppa_cache) {
 			pr_err("null_blk: unable to create ppa cache\n");
-			return -ENOMEM;
-		}
-	}
-
-	for (i = 0; i < nr_devices; i++) {
-		if (null_add_dev()) {
-			unregister_blkdev(null_major, "nullb");
+			ret = -ENOMEM;
 			goto err_ppa;
 		}
 	}
 
+	for (i = 0; i < nr_devices; i++) {
+		ret = null_add_dev();
+		if (ret)
+			goto err_dev;
+	}
+
 	pr_info("null: module loaded\n");
 	return 0;
-err_ppa:
+
+err_dev:
+	while (!list_empty(&nullb_list)) {
+		nullb = list_entry(nullb_list.next, struct nullb, list);
+		null_del_dev(nullb);
+	}
 	kmem_cache_destroy(ppa_cache);
-	return -EINVAL;
+err_ppa:
+	unregister_blkdev(null_major, "nullb");
+	return ret;
 }
 
 static void __exit null_exit(void)
diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c
index d1b1c95..0a94d96 100644
--- a/drivers/clk/imx/clk-vf610.c
+++ b/drivers/clk/imx/clk-vf610.c
@@ -335,22 +335,22 @@
 	clk[VF610_CLK_SAI0_SEL] = imx_clk_mux("sai0_sel", CCM_CSCMR1, 0, 2, sai_sels, 4);
 	clk[VF610_CLK_SAI0_EN] = imx_clk_gate("sai0_en", "sai0_sel", CCM_CSCDR1, 16);
 	clk[VF610_CLK_SAI0_DIV] = imx_clk_divider("sai0_div", "sai0_en", CCM_CSCDR1, 0, 4);
-	clk[VF610_CLK_SAI0] = imx_clk_gate2("sai0", "sai0_div", CCM_CCGR0, CCM_CCGRx_CGn(15));
+	clk[VF610_CLK_SAI0] = imx_clk_gate2("sai0", "ipg_bus", CCM_CCGR0, CCM_CCGRx_CGn(15));
 
 	clk[VF610_CLK_SAI1_SEL] = imx_clk_mux("sai1_sel", CCM_CSCMR1, 2, 2, sai_sels, 4);
 	clk[VF610_CLK_SAI1_EN] = imx_clk_gate("sai1_en", "sai1_sel", CCM_CSCDR1, 17);
 	clk[VF610_CLK_SAI1_DIV] = imx_clk_divider("sai1_div", "sai1_en", CCM_CSCDR1, 4, 4);
-	clk[VF610_CLK_SAI1] = imx_clk_gate2("sai1", "sai1_div", CCM_CCGR1, CCM_CCGRx_CGn(0));
+	clk[VF610_CLK_SAI1] = imx_clk_gate2("sai1", "ipg_bus", CCM_CCGR1, CCM_CCGRx_CGn(0));
 
 	clk[VF610_CLK_SAI2_SEL] = imx_clk_mux("sai2_sel", CCM_CSCMR1, 4, 2, sai_sels, 4);
 	clk[VF610_CLK_SAI2_EN] = imx_clk_gate("sai2_en", "sai2_sel", CCM_CSCDR1, 18);
 	clk[VF610_CLK_SAI2_DIV] = imx_clk_divider("sai2_div", "sai2_en", CCM_CSCDR1, 8, 4);
-	clk[VF610_CLK_SAI2] = imx_clk_gate2("sai2", "sai2_div", CCM_CCGR1, CCM_CCGRx_CGn(1));
+	clk[VF610_CLK_SAI2] = imx_clk_gate2("sai2", "ipg_bus", CCM_CCGR1, CCM_CCGRx_CGn(1));
 
 	clk[VF610_CLK_SAI3_SEL] = imx_clk_mux("sai3_sel", CCM_CSCMR1, 6, 2, sai_sels, 4);
 	clk[VF610_CLK_SAI3_EN] = imx_clk_gate("sai3_en", "sai3_sel", CCM_CSCDR1, 19);
 	clk[VF610_CLK_SAI3_DIV] = imx_clk_divider("sai3_div", "sai3_en", CCM_CSCDR1, 12, 4);
-	clk[VF610_CLK_SAI3] = imx_clk_gate2("sai3", "sai3_div", CCM_CCGR1, CCM_CCGRx_CGn(2));
+	clk[VF610_CLK_SAI3] = imx_clk_gate2("sai3", "ipg_bus", CCM_CCGR1, CCM_CCGRx_CGn(2));
 
 	clk[VF610_CLK_NFC_SEL] = imx_clk_mux("nfc_sel", CCM_CSCMR1, 12, 2, nfc_sels, 4);
 	clk[VF610_CLK_NFC_EN] = imx_clk_gate("nfc_en", "nfc_sel", CCM_CSCDR2, 9);
diff --git a/drivers/cpufreq/s3c24xx-cpufreq.c b/drivers/cpufreq/s3c24xx-cpufreq.c
index 733aa51..68ef8fd 100644
--- a/drivers/cpufreq/s3c24xx-cpufreq.c
+++ b/drivers/cpufreq/s3c24xx-cpufreq.c
@@ -648,7 +648,7 @@
  *
  * Register the given set of PLLs with the system.
  */
-int __init s3c_plltab_register(struct cpufreq_frequency_table *plls,
+int s3c_plltab_register(struct cpufreq_frequency_table *plls,
 			       unsigned int plls_no)
 {
 	struct cpufreq_frequency_table *vals;
diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c
index a24f5cb..953dc91 100644
--- a/drivers/fpga/fpga-mgr.c
+++ b/drivers/fpga/fpga-mgr.c
@@ -122,12 +122,10 @@
 	}
 
 	ret = fpga_mgr_buf_load(mgr, flags, fw->data, fw->size);
-	if (ret)
-		return ret;
 
 	release_firmware(fw);
 
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL_GPL(fpga_mgr_firmware_load);
 
@@ -256,7 +254,6 @@
 		      void *priv)
 {
 	struct fpga_manager *mgr;
-	const char *dt_label;
 	int id, ret;
 
 	if (!mops || !mops->write_init || !mops->write ||
@@ -300,11 +297,9 @@
 	mgr->dev.id = id;
 	dev_set_drvdata(dev, mgr);
 
-	dt_label = of_get_property(mgr->dev.of_node, "label", NULL);
-	if (dt_label)
-		ret = dev_set_name(&mgr->dev, "%s", dt_label);
-	else
-		ret = dev_set_name(&mgr->dev, "fpga%d", id);
+	ret = dev_set_name(&mgr->dev, "fpga%d", id);
+	if (ret)
+		goto error_device;
 
 	ret = device_add(&mgr->dev);
 	if (ret)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index f6ea4b4..9c253c5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -477,6 +477,14 @@
 		if (domain == AMDGPU_GEM_DOMAIN_CPU)
 			goto error_unreserve;
 	}
+	list_for_each_entry(entry, &duplicates, head) {
+		domain = amdgpu_mem_type_to_domain(entry->bo->mem.mem_type);
+		/* if anything is swapped out don't swap it in here,
+		   just abort and wait for the next CS */
+		if (domain == AMDGPU_GEM_DOMAIN_CPU)
+			goto error_unreserve;
+	}
+
 	r = amdgpu_vm_update_page_directory(adev, bo_va->vm);
 	if (r)
 		goto error_unreserve;
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
index 8f76000..913192c 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
@@ -159,7 +159,6 @@
 struct nvkm_device_quirk {
 	u8 tv_pin_mask;
 	u8 tv_gpio;
-	bool War00C800_0;
 };
 
 struct nvkm_device_chip {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c
index caf22b5..62ad030 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c
@@ -259,12 +259,6 @@
 };
 
 static const struct nvkm_device_pci_vendor
-nvkm_device_pci_10de_0fcd[] = {
-	{ 0x17aa, 0x3801, NULL, { .War00C800_0 = true } }, /* Lenovo Y510P */
-	{}
-};
-
-static const struct nvkm_device_pci_vendor
 nvkm_device_pci_10de_0fd2[] = {
 	{ 0x1028, 0x0595, "GeForce GT 640M LE" },
 	{ 0x1028, 0x05b2, "GeForce GT 640M LE" },
@@ -279,12 +273,6 @@
 };
 
 static const struct nvkm_device_pci_vendor
-nvkm_device_pci_10de_0fe4[] = {
-	{ 0x144d, 0xc740, NULL, { .War00C800_0 = true } },
-	{}
-};
-
-static const struct nvkm_device_pci_vendor
 nvkm_device_pci_10de_104b[] = {
 	{ 0x1043, 0x844c, "GeForce GT 625" },
 	{ 0x1043, 0x846b, "GeForce GT 625" },
@@ -690,13 +678,6 @@
 static const struct nvkm_device_pci_vendor
 nvkm_device_pci_10de_1199[] = {
 	{ 0x1458, 0xd001, "GeForce GTX 760" },
-	{ 0x1462, 0x1106, "GeForce GTX 780M", { .War00C800_0 = true } }, /* Medion Erazer X7827 */
-	{}
-};
-
-static const struct nvkm_device_pci_vendor
-nvkm_device_pci_10de_11e0[] = {
-	{ 0x1558, 0x5106, NULL, { .War00C800_0 = true } },
 	{}
 };
 
@@ -707,14 +688,6 @@
 };
 
 static const struct nvkm_device_pci_vendor
-nvkm_device_pci_10de_11fc[] = {
-	{ 0x1179, 0x0001, NULL, { .War00C800_0 = true } }, /* Toshiba Tecra W50 */
-	{ 0x17aa, 0x2211, NULL, { .War00C800_0 = true } }, /* Lenovo W541 */
-	{ 0x17aa, 0x221e, NULL, { .War00C800_0 = true } }, /* Lenovo W541 */
-	{}
-};
-
-static const struct nvkm_device_pci_vendor
 nvkm_device_pci_10de_1247[] = {
 	{ 0x1043, 0x212a, "GeForce GT 635M" },
 	{ 0x1043, 0x212b, "GeForce GT 635M" },
@@ -1368,7 +1341,7 @@
 	{ 0x0fc6, "GeForce GTX 650" },
 	{ 0x0fc8, "GeForce GT 740" },
 	{ 0x0fc9, "GeForce GT 730" },
-	{ 0x0fcd, "GeForce GT 755M", nvkm_device_pci_10de_0fcd },
+	{ 0x0fcd, "GeForce GT 755M" },
 	{ 0x0fce, "GeForce GT 640M LE" },
 	{ 0x0fd1, "GeForce GT 650M" },
 	{ 0x0fd2, "GeForce GT 640M", nvkm_device_pci_10de_0fd2 },
@@ -1382,7 +1355,7 @@
 	{ 0x0fe1, "GeForce GT 730M" },
 	{ 0x0fe2, "GeForce GT 745M" },
 	{ 0x0fe3, "GeForce GT 745M", nvkm_device_pci_10de_0fe3 },
-	{ 0x0fe4, "GeForce GT 750M", nvkm_device_pci_10de_0fe4 },
+	{ 0x0fe4, "GeForce GT 750M" },
 	{ 0x0fe9, "GeForce GT 750M" },
 	{ 0x0fea, "GeForce GT 755M" },
 	{ 0x0fec, "GeForce 710A" },
@@ -1497,12 +1470,12 @@
 	{ 0x11c6, "GeForce GTX 650 Ti" },
 	{ 0x11c8, "GeForce GTX 650" },
 	{ 0x11cb, "GeForce GT 740" },
-	{ 0x11e0, "GeForce GTX 770M", nvkm_device_pci_10de_11e0 },
+	{ 0x11e0, "GeForce GTX 770M" },
 	{ 0x11e1, "GeForce GTX 765M" },
 	{ 0x11e2, "GeForce GTX 765M" },
 	{ 0x11e3, "GeForce GTX 760M", nvkm_device_pci_10de_11e3 },
 	{ 0x11fa, "Quadro K4000" },
-	{ 0x11fc, "Quadro K2100M", nvkm_device_pci_10de_11fc },
+	{ 0x11fc, "Quadro K2100M" },
 	{ 0x1200, "GeForce GTX 560 Ti" },
 	{ 0x1201, "GeForce GTX 560" },
 	{ 0x1203, "GeForce GTX 460 SE v2" },
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c
index d942fa7..86f9f3b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c
@@ -81,9 +81,7 @@
 	nvkm_mask(device, 0x000200, 0x00001000, 0x00001000);
 	nvkm_rd32(device, 0x000200);
 
-	if ( nvkm_boolopt(device->cfgopt, "War00C800_0",
-	    device->quirk ? device->quirk->War00C800_0 : false)) {
-		nvkm_info(&pmu->subdev, "hw bug workaround enabled\n");
+	if (nvkm_boolopt(device->cfgopt, "War00C800_0", true)) {
 		switch (device->chipset) {
 		case 0xe4:
 			magic(device, 0x04000000);
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 0154db4..f81fb26 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -4173,11 +4173,7 @@
 	control |= ib->length_dw | (vm_id << 24);
 
 	radeon_ring_write(ring, header);
-	radeon_ring_write(ring,
-#ifdef __BIG_ENDIAN
-			  (2 << 0) |
-#endif
-			  (ib->gpu_addr & 0xFFFFFFFC));
+	radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFFC));
 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF);
 	radeon_ring_write(ring, control);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_vce.c b/drivers/gpu/drm/radeon/radeon_vce.c
index 574f62b..7eb1ae7 100644
--- a/drivers/gpu/drm/radeon/radeon_vce.c
+++ b/drivers/gpu/drm/radeon/radeon_vce.c
@@ -361,31 +361,31 @@
 
 	/* stitch together an VCE create msg */
 	ib.length_dw = 0;
-	ib.ptr[ib.length_dw++] = 0x0000000c; /* len */
-	ib.ptr[ib.length_dw++] = 0x00000001; /* session cmd */
-	ib.ptr[ib.length_dw++] = handle;
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000c); /* len */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); /* session cmd */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(handle);
 
-	ib.ptr[ib.length_dw++] = 0x00000030; /* len */
-	ib.ptr[ib.length_dw++] = 0x01000001; /* create cmd */
-	ib.ptr[ib.length_dw++] = 0x00000000;
-	ib.ptr[ib.length_dw++] = 0x00000042;
-	ib.ptr[ib.length_dw++] = 0x0000000a;
-	ib.ptr[ib.length_dw++] = 0x00000001;
-	ib.ptr[ib.length_dw++] = 0x00000080;
-	ib.ptr[ib.length_dw++] = 0x00000060;
-	ib.ptr[ib.length_dw++] = 0x00000100;
-	ib.ptr[ib.length_dw++] = 0x00000100;
-	ib.ptr[ib.length_dw++] = 0x0000000c;
-	ib.ptr[ib.length_dw++] = 0x00000000;
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000030); /* len */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x01000001); /* create cmd */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000000);
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000042);
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000a);
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001);
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000080);
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000060);
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000100);
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000100);
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000c);
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000000);
 
-	ib.ptr[ib.length_dw++] = 0x00000014; /* len */
-	ib.ptr[ib.length_dw++] = 0x05000005; /* feedback buffer */
-	ib.ptr[ib.length_dw++] = upper_32_bits(dummy);
-	ib.ptr[ib.length_dw++] = dummy;
-	ib.ptr[ib.length_dw++] = 0x00000001;
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000014); /* len */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x05000005); /* feedback buffer */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(upper_32_bits(dummy));
+	ib.ptr[ib.length_dw++] = cpu_to_le32(dummy);
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001);
 
 	for (i = ib.length_dw; i < ib_size_dw; ++i)
-		ib.ptr[i] = 0x0;
+		ib.ptr[i] = cpu_to_le32(0x0);
 
 	r = radeon_ib_schedule(rdev, &ib, NULL, false);
 	if (r) {
@@ -428,21 +428,21 @@
 
 	/* stitch together an VCE destroy msg */
 	ib.length_dw = 0;
-	ib.ptr[ib.length_dw++] = 0x0000000c; /* len */
-	ib.ptr[ib.length_dw++] = 0x00000001; /* session cmd */
-	ib.ptr[ib.length_dw++] = handle;
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000c); /* len */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); /* session cmd */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(handle);
 
-	ib.ptr[ib.length_dw++] = 0x00000014; /* len */
-	ib.ptr[ib.length_dw++] = 0x05000005; /* feedback buffer */
-	ib.ptr[ib.length_dw++] = upper_32_bits(dummy);
-	ib.ptr[ib.length_dw++] = dummy;
-	ib.ptr[ib.length_dw++] = 0x00000001;
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000014); /* len */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x05000005); /* feedback buffer */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(upper_32_bits(dummy));
+	ib.ptr[ib.length_dw++] = cpu_to_le32(dummy);
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001);
 
-	ib.ptr[ib.length_dw++] = 0x00000008; /* len */
-	ib.ptr[ib.length_dw++] = 0x02000001; /* destroy cmd */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000008); /* len */
+	ib.ptr[ib.length_dw++] = cpu_to_le32(0x02000001); /* destroy cmd */
 
 	for (i = ib.length_dw; i < ib_size_dw; ++i)
-		ib.ptr[i] = 0x0;
+		ib.ptr[i] = cpu_to_le32(0x0);
 
 	r = radeon_ib_schedule(rdev, &ib, NULL, false);
 	if (r) {
@@ -699,12 +699,12 @@
 {
 	uint64_t addr = semaphore->gpu_addr;
 
-	radeon_ring_write(ring, VCE_CMD_SEMAPHORE);
-	radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF);
-	radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF);
-	radeon_ring_write(ring, 0x01003000 | (emit_wait ? 1 : 0));
+	radeon_ring_write(ring, cpu_to_le32(VCE_CMD_SEMAPHORE));
+	radeon_ring_write(ring, cpu_to_le32((addr >> 3) & 0x000FFFFF));
+	radeon_ring_write(ring, cpu_to_le32((addr >> 23) & 0x000FFFFF));
+	radeon_ring_write(ring, cpu_to_le32(0x01003000 | (emit_wait ? 1 : 0)));
 	if (!emit_wait)
-		radeon_ring_write(ring, VCE_CMD_END);
+		radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END));
 
 	return true;
 }
@@ -719,10 +719,10 @@
 void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
 {
 	struct radeon_ring *ring = &rdev->ring[ib->ring];
-	radeon_ring_write(ring, VCE_CMD_IB);
-	radeon_ring_write(ring, ib->gpu_addr);
-	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr));
-	radeon_ring_write(ring, ib->length_dw);
+	radeon_ring_write(ring, cpu_to_le32(VCE_CMD_IB));
+	radeon_ring_write(ring, cpu_to_le32(ib->gpu_addr));
+	radeon_ring_write(ring, cpu_to_le32(upper_32_bits(ib->gpu_addr)));
+	radeon_ring_write(ring, cpu_to_le32(ib->length_dw));
 }
 
 /**
@@ -738,12 +738,12 @@
 	struct radeon_ring *ring = &rdev->ring[fence->ring];
 	uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr;
 
-	radeon_ring_write(ring, VCE_CMD_FENCE);
-	radeon_ring_write(ring, addr);
-	radeon_ring_write(ring, upper_32_bits(addr));
-	radeon_ring_write(ring, fence->seq);
-	radeon_ring_write(ring, VCE_CMD_TRAP);
-	radeon_ring_write(ring, VCE_CMD_END);
+	radeon_ring_write(ring, cpu_to_le32(VCE_CMD_FENCE));
+	radeon_ring_write(ring, cpu_to_le32(addr));
+	radeon_ring_write(ring, cpu_to_le32(upper_32_bits(addr)));
+	radeon_ring_write(ring, cpu_to_le32(fence->seq));
+	radeon_ring_write(ring, cpu_to_le32(VCE_CMD_TRAP));
+	radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END));
 }
 
 /**
@@ -765,7 +765,7 @@
 			  ring->idx, r);
 		return r;
 	}
-	radeon_ring_write(ring, VCE_CMD_END);
+	radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END));
 	radeon_ring_unlock_commit(rdev, ring, false);
 
 	for (i = 0; i < rdev->usec_timeout; i++) {
diff --git a/drivers/gpu/drm/ttm/ttm_lock.c b/drivers/gpu/drm/ttm/ttm_lock.c
index 6a95454..f154fb1 100644
--- a/drivers/gpu/drm/ttm/ttm_lock.c
+++ b/drivers/gpu/drm/ttm/ttm_lock.c
@@ -180,7 +180,7 @@
 			spin_unlock(&lock->lock);
 		}
 	} else
-		wait_event(lock->queue, __ttm_read_lock(lock));
+		wait_event(lock->queue, __ttm_write_lock(lock));
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index a09cf85..c49812b 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1233,6 +1233,7 @@
 
 	vmw_fp->locked_master = drm_master_get(file_priv->master);
 	ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile);
+	vmw_kms_legacy_hotspot_clear(dev_priv);
 	if (unlikely((ret != 0))) {
 		DRM_ERROR("Unable to lock TTM at VT switch.\n");
 		drm_master_put(&vmw_fp->locked_master);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index a8ae9df..469cdd5 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -925,6 +925,7 @@
 		    uint32_t num_clips);
 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
+void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv);
 
 int vmw_dumb_create(struct drm_file *file_priv,
 		    struct drm_device *dev,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index a8baf5f..b6a0806 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -390,7 +390,7 @@
 	else if (ctx_id == SVGA3D_INVALID_ID)
 		ret = vmw_local_fifo_reserve(dev_priv, bytes);
 	else {
-		WARN_ON("Command buffer has not been allocated.\n");
+		WARN(1, "Command buffer has not been allocated.\n");
 		ret = NULL;
 	}
 	if (IS_ERR_OR_NULL(ret)) {
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 9fcd7f8..9b4bb9e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -133,13 +133,19 @@
 	vmw_mmio_write(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
 }
 
-int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
-			   uint32_t handle, uint32_t width, uint32_t height)
+
+/*
+ * vmw_du_crtc_cursor_set2 - Driver cursor_set2 callback.
+ */
+int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
+			    uint32_t handle, uint32_t width, uint32_t height,
+			    int32_t hot_x, int32_t hot_y)
 {
 	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
 	struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
 	struct vmw_surface *surface = NULL;
 	struct vmw_dma_buffer *dmabuf = NULL;
+	s32 hotspot_x, hotspot_y;
 	int ret;
 
 	/*
@@ -151,6 +157,8 @@
 	 */
 	drm_modeset_unlock_crtc(crtc);
 	drm_modeset_lock_all(dev_priv->dev);
+	hotspot_x = hot_x + du->hotspot_x;
+	hotspot_y = hot_y + du->hotspot_y;
 
 	/* A lot of the code assumes this */
 	if (handle && (width != 64 || height != 64)) {
@@ -187,31 +195,34 @@
 		vmw_dmabuf_unreference(&du->cursor_dmabuf);
 
 	/* setup new image */
+	ret = 0;
 	if (surface) {
 		/* vmw_user_surface_lookup takes one reference */
 		du->cursor_surface = surface;
 
 		du->cursor_surface->snooper.crtc = crtc;
 		du->cursor_age = du->cursor_surface->snooper.age;
-		vmw_cursor_update_image(dev_priv, surface->snooper.image,
-					64, 64, du->hotspot_x, du->hotspot_y);
+		ret = vmw_cursor_update_image(dev_priv, surface->snooper.image,
+					      64, 64, hotspot_x, hotspot_y);
 	} else if (dmabuf) {
 		/* vmw_user_surface_lookup takes one reference */
 		du->cursor_dmabuf = dmabuf;
 
 		ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
-					       du->hotspot_x, du->hotspot_y);
+					       hotspot_x, hotspot_y);
 	} else {
 		vmw_cursor_update_position(dev_priv, false, 0, 0);
-		ret = 0;
 		goto out;
 	}
 
-	vmw_cursor_update_position(dev_priv, true,
-				   du->cursor_x + du->hotspot_x,
-				   du->cursor_y + du->hotspot_y);
+	if (!ret) {
+		vmw_cursor_update_position(dev_priv, true,
+					   du->cursor_x + hotspot_x,
+					   du->cursor_y + hotspot_y);
+		du->core_hotspot_x = hot_x;
+		du->core_hotspot_y = hot_y;
+	}
 
-	ret = 0;
 out:
 	drm_modeset_unlock_all(dev_priv->dev);
 	drm_modeset_lock_crtc(crtc, crtc->cursor);
@@ -239,8 +250,10 @@
 	drm_modeset_lock_all(dev_priv->dev);
 
 	vmw_cursor_update_position(dev_priv, shown,
-				   du->cursor_x + du->hotspot_x,
-				   du->cursor_y + du->hotspot_y);
+				   du->cursor_x + du->hotspot_x +
+				   du->core_hotspot_x,
+				   du->cursor_y + du->hotspot_y +
+				   du->core_hotspot_y);
 
 	drm_modeset_unlock_all(dev_priv->dev);
 	drm_modeset_lock_crtc(crtc, crtc->cursor);
@@ -334,6 +347,29 @@
 	ttm_bo_unreserve(bo);
 }
 
+/**
+ * vmw_kms_legacy_hotspot_clear - Clear legacy hotspots
+ *
+ * @dev_priv: Pointer to the device private struct.
+ *
+ * Clears all legacy hotspots.
+ */
+void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv)
+{
+	struct drm_device *dev = dev_priv->dev;
+	struct vmw_display_unit *du;
+	struct drm_crtc *crtc;
+
+	drm_modeset_lock_all(dev);
+	drm_for_each_crtc(crtc, dev) {
+		du = vmw_crtc_to_du(crtc);
+
+		du->hotspot_x = 0;
+		du->hotspot_y = 0;
+	}
+	drm_modeset_unlock_all(dev);
+}
+
 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
 {
 	struct drm_device *dev = dev_priv->dev;
@@ -351,7 +387,9 @@
 		du->cursor_age = du->cursor_surface->snooper.age;
 		vmw_cursor_update_image(dev_priv,
 					du->cursor_surface->snooper.image,
-					64, 64, du->hotspot_x, du->hotspot_y);
+					64, 64,
+					du->hotspot_x + du->core_hotspot_x,
+					du->hotspot_y + du->core_hotspot_y);
 	}
 
 	mutex_unlock(&dev->mode_config.mutex);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index 782df7c..edd8150 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -159,6 +159,8 @@
 
 	int hotspot_x;
 	int hotspot_y;
+	s32 core_hotspot_x;
+	s32 core_hotspot_y;
 
 	unsigned unit;
 
@@ -193,8 +195,9 @@
 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
 			   u16 *r, u16 *g, u16 *b,
 			   uint32_t start, uint32_t size);
-int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
-			   uint32_t handle, uint32_t width, uint32_t height);
+int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
+			    uint32_t handle, uint32_t width, uint32_t height,
+			    int32_t hot_x, int32_t hot_y);
 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
 int vmw_du_connector_dpms(struct drm_connector *connector, int mode);
 void vmw_du_connector_save(struct drm_connector *connector);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index bb63e4d..52caecb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -297,7 +297,7 @@
 static struct drm_crtc_funcs vmw_legacy_crtc_funcs = {
 	.save = vmw_du_crtc_save,
 	.restore = vmw_du_crtc_restore,
-	.cursor_set = vmw_du_crtc_cursor_set,
+	.cursor_set2 = vmw_du_crtc_cursor_set2,
 	.cursor_move = vmw_du_crtc_cursor_move,
 	.gamma_set = vmw_du_crtc_gamma_set,
 	.destroy = vmw_ldu_crtc_destroy,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index b96d1ab..13926ff 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -533,7 +533,7 @@
 static struct drm_crtc_funcs vmw_screen_object_crtc_funcs = {
 	.save = vmw_du_crtc_save,
 	.restore = vmw_du_crtc_restore,
-	.cursor_set = vmw_du_crtc_cursor_set,
+	.cursor_set2 = vmw_du_crtc_cursor_set2,
 	.cursor_move = vmw_du_crtc_cursor_move,
 	.gamma_set = vmw_du_crtc_gamma_set,
 	.destroy = vmw_sou_crtc_destroy,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index b1fc1c0..f823fc3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -1043,7 +1043,7 @@
 static struct drm_crtc_funcs vmw_stdu_crtc_funcs = {
 	.save = vmw_du_crtc_save,
 	.restore = vmw_du_crtc_restore,
-	.cursor_set = vmw_du_crtc_cursor_set,
+	.cursor_set2 = vmw_du_crtc_cursor_set2,
 	.cursor_move = vmw_du_crtc_cursor_move,
 	.gamma_set = vmw_du_crtc_gamma_set,
 	.destroy = vmw_stdu_crtc_destroy,
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index 3166e4b..9abcaa5 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -395,8 +395,10 @@
 		set_current_state(interruptible ?
 				  TASK_INTERRUPTIBLE :
 				  TASK_UNINTERRUPTIBLE);
-		if (signal_pending(current)) {
-			rc = -EINTR;
+		if (interruptible && signal_pending(current)) {
+			__set_current_state(TASK_RUNNING);
+			remove_wait_queue(&vga_wait_queue, &wait);
+			rc = -ERESTARTSYS;
 			break;
 		}
 		schedule();
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 9024a3d..8b78a7f 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -316,11 +316,6 @@
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001	0xa001
 
 #define USB_VENDOR_ID_ELAN		0x04f3
-#define USB_DEVICE_ID_ELAN_TOUCHSCREEN	0x0089
-#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B	0x009b
-#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103	0x0103
-#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_010c	0x010c
-#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F	0x016f
 
 #define USB_VENDOR_ID_ELECOM		0x056e
 #define USB_DEVICE_ID_ELECOM_BM084	0x0061
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 2324520..7dd0953 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -72,11 +72,7 @@
 	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
 	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },
-	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN, HID_QUIRK_ALWAYS_POLL },
-	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B, HID_QUIRK_ALWAYS_POLL },
-	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103, HID_QUIRK_ALWAYS_POLL },
-	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_010c, HID_QUIRK_ALWAYS_POLL },
-	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F, HID_QUIRK_ALWAYS_POLL },
+	{ USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL },
 	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
@@ -340,7 +336,8 @@
 
 	for (; hid_blacklist[n].idVendor; n++)
 		if (hid_blacklist[n].idVendor == idVendor &&
-				hid_blacklist[n].idProduct == idProduct)
+			(hid_blacklist[n].idProduct == (__u16) HID_ANY_ID ||
+				hid_blacklist[n].idProduct == idProduct))
 			bl_entry = &hid_blacklist[n];
 
 	if (bl_entry != NULL)
diff --git a/drivers/iio/adc/qcom-spmi-vadc.c b/drivers/iio/adc/qcom-spmi-vadc.c
index 0c4618b..c2babe5 100644
--- a/drivers/iio/adc/qcom-spmi-vadc.c
+++ b/drivers/iio/adc/qcom-spmi-vadc.c
@@ -839,8 +839,10 @@
 
 	for_each_available_child_of_node(node, child) {
 		ret = vadc_get_dt_channel_data(vadc->dev, &prop, child);
-		if (ret)
+		if (ret) {
+			of_node_put(child);
 			return ret;
+		}
 
 		vadc->chan_props[index] = prop;
 
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index d7e908a..0f6f63b 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -302,7 +302,7 @@
 	if (trialmask == NULL)
 		return -ENOMEM;
 	if (!indio_dev->masklength) {
-		WARN_ON("Trying to set scanmask prior to registering buffer\n");
+		WARN(1, "Trying to set scanmask prior to registering buffer\n");
 		goto err_invalid_mask;
 	}
 	bitmap_copy(trialmask, buffer->scan_mask, indio_dev->masklength);
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 208358f..159ede6 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -655,7 +655,7 @@
 			break;
 		case IIO_SEPARATE:
 			if (!chan->indexed) {
-				WARN_ON("Differential channels must be indexed\n");
+				WARN(1, "Differential channels must be indexed\n");
 				ret = -EINVAL;
 				goto error_free_full_postfix;
 			}
diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c
index 7d269ef..f6a07dc 100644
--- a/drivers/iio/light/apds9960.c
+++ b/drivers/iio/light/apds9960.c
@@ -453,6 +453,7 @@
 			usleep_range(data->als_adc_int_us,
 				     APDS9960_MAX_INT_TIME_IN_US);
 	} else {
+		pm_runtime_mark_last_busy(dev);
 		ret = pm_runtime_put_autosuspend(dev);
 	}
 
diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
index 961f9f99..e544fcf 100644
--- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
+++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
@@ -130,10 +130,10 @@
 		if (ret < 0)
 			break;
 
-		/* return 0 since laser is likely pointed out of range */
+		/* return -EINVAL since laser is likely pointed out of range */
 		if (ret & LIDAR_REG_STATUS_INVALID) {
 			*reg = 0;
-			ret = 0;
+			ret = -EINVAL;
 			break;
 		}
 
@@ -197,7 +197,7 @@
 	if (!ret) {
 		iio_push_to_buffers_with_timestamp(indio_dev, data->buffer,
 						   iio_get_time_ns());
-	} else {
+	} else if (ret != -EINVAL) {
 		dev_err(&data->client->dev, "cannot read LIDAR measurement");
 	}
 
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 944cd90..d2d5d00 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1126,10 +1126,7 @@
 
 	rcu_read_lock();
 	err = fib_lookup(dev_net(net_dev), &fl4, &res, 0);
-	if (err)
-		return false;
-
-	ret = FIB_RES_DEV(res) == net_dev;
+	ret = err == 0 && FIB_RES_DEV(res) == net_dev;
 	rcu_read_unlock();
 
 	return ret;
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 8d8af7a..2281de1 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1811,6 +1811,11 @@
 		if (qp_num == 0)
 			valid = 1;
 	} else {
+		/* CM attributes other than ClassPortInfo only use Send method */
+		if ((mad_hdr->mgmt_class == IB_MGMT_CLASS_CM) &&
+		    (mad_hdr->attr_id != IB_MGMT_CLASSPORTINFO_ATTR_ID) &&
+		    (mad_hdr->method != IB_MGMT_METHOD_SEND))
+			goto out;
 		/* Filter GSI packets sent to QP0 */
 		if (qp_num != 0)
 			valid = 1;
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index 2aba774..a95a32b 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -512,7 +512,7 @@
 	return len;
 }
 
-static int ib_nl_send_msg(struct ib_sa_query *query)
+static int ib_nl_send_msg(struct ib_sa_query *query, gfp_t gfp_mask)
 {
 	struct sk_buff *skb = NULL;
 	struct nlmsghdr *nlh;
@@ -526,7 +526,7 @@
 	if (len <= 0)
 		return -EMSGSIZE;
 
-	skb = nlmsg_new(len, GFP_KERNEL);
+	skb = nlmsg_new(len, gfp_mask);
 	if (!skb)
 		return -ENOMEM;
 
@@ -544,7 +544,7 @@
 	/* Repair the nlmsg header length */
 	nlmsg_end(skb, nlh);
 
-	ret = ibnl_multicast(skb, nlh, RDMA_NL_GROUP_LS, GFP_KERNEL);
+	ret = ibnl_multicast(skb, nlh, RDMA_NL_GROUP_LS, gfp_mask);
 	if (!ret)
 		ret = len;
 	else
@@ -553,7 +553,7 @@
 	return ret;
 }
 
-static int ib_nl_make_request(struct ib_sa_query *query)
+static int ib_nl_make_request(struct ib_sa_query *query, gfp_t gfp_mask)
 {
 	unsigned long flags;
 	unsigned long delay;
@@ -562,25 +562,27 @@
 	INIT_LIST_HEAD(&query->list);
 	query->seq = (u32)atomic_inc_return(&ib_nl_sa_request_seq);
 
+	/* Put the request on the list first.*/
 	spin_lock_irqsave(&ib_nl_request_lock, flags);
-	ret = ib_nl_send_msg(query);
-	if (ret <= 0) {
-		ret = -EIO;
-		goto request_out;
-	} else {
-		ret = 0;
-	}
-
 	delay = msecs_to_jiffies(sa_local_svc_timeout_ms);
 	query->timeout = delay + jiffies;
 	list_add_tail(&query->list, &ib_nl_request_list);
 	/* Start the timeout if this is the only request */
 	if (ib_nl_request_list.next == &query->list)
 		queue_delayed_work(ib_nl_wq, &ib_nl_timed_work, delay);
-
-request_out:
 	spin_unlock_irqrestore(&ib_nl_request_lock, flags);
 
+	ret = ib_nl_send_msg(query, gfp_mask);
+	if (ret <= 0) {
+		ret = -EIO;
+		/* Remove the request */
+		spin_lock_irqsave(&ib_nl_request_lock, flags);
+		list_del(&query->list);
+		spin_unlock_irqrestore(&ib_nl_request_lock, flags);
+	} else {
+		ret = 0;
+	}
+
 	return ret;
 }
 
@@ -1108,7 +1110,7 @@
 
 	if (query->flags & IB_SA_ENABLE_LOCAL_SERVICE) {
 		if (!ibnl_chk_listeners(RDMA_NL_GROUP_LS)) {
-			if (!ib_nl_make_request(query))
+			if (!ib_nl_make_request(query, gfp_mask))
 				return id;
 		}
 		ib_sa_disable_local_svc(query);
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 94816ae..1c02dea 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -62,9 +62,11 @@
  * The ib_uobject locking scheme is as follows:
  *
  * - ib_uverbs_idr_lock protects the uverbs idrs themselves, so it
- *   needs to be held during all idr operations.  When an object is
+ *   needs to be held during all idr write operations.  When an object is
  *   looked up, a reference must be taken on the object's kref before
- *   dropping this lock.
+ *   dropping this lock.  For read operations, the rcu_read_lock()
+ *   and rcu_write_lock() but similarly the kref reference is grabbed
+ *   before the rcu_read_unlock().
  *
  * - Each object also has an rwsem.  This rwsem must be held for
  *   reading while an operation that uses the object is performed.
@@ -96,7 +98,7 @@
 
 static void release_uobj(struct kref *kref)
 {
-	kfree(container_of(kref, struct ib_uobject, ref));
+	kfree_rcu(container_of(kref, struct ib_uobject, ref), rcu);
 }
 
 static void put_uobj(struct ib_uobject *uobj)
@@ -145,7 +147,7 @@
 {
 	struct ib_uobject *uobj;
 
-	spin_lock(&ib_uverbs_idr_lock);
+	rcu_read_lock();
 	uobj = idr_find(idr, id);
 	if (uobj) {
 		if (uobj->context == context)
@@ -153,7 +155,7 @@
 		else
 			uobj = NULL;
 	}
-	spin_unlock(&ib_uverbs_idr_lock);
+	rcu_read_unlock();
 
 	return uobj;
 }
@@ -2446,6 +2448,7 @@
 	int                             i, sg_ind;
 	int				is_ud;
 	ssize_t                         ret = -EINVAL;
+	size_t                          next_size;
 
 	if (copy_from_user(&cmd, buf, sizeof cmd))
 		return -EFAULT;
@@ -2490,7 +2493,8 @@
 				goto out_put;
 			}
 
-			ud = alloc_wr(sizeof(*ud), user_wr->num_sge);
+			next_size = sizeof(*ud);
+			ud = alloc_wr(next_size, user_wr->num_sge);
 			if (!ud) {
 				ret = -ENOMEM;
 				goto out_put;
@@ -2511,7 +2515,8 @@
 			   user_wr->opcode == IB_WR_RDMA_READ) {
 			struct ib_rdma_wr *rdma;
 
-			rdma = alloc_wr(sizeof(*rdma), user_wr->num_sge);
+			next_size = sizeof(*rdma);
+			rdma = alloc_wr(next_size, user_wr->num_sge);
 			if (!rdma) {
 				ret = -ENOMEM;
 				goto out_put;
@@ -2525,7 +2530,8 @@
 			   user_wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD) {
 			struct ib_atomic_wr *atomic;
 
-			atomic = alloc_wr(sizeof(*atomic), user_wr->num_sge);
+			next_size = sizeof(*atomic);
+			atomic = alloc_wr(next_size, user_wr->num_sge);
 			if (!atomic) {
 				ret = -ENOMEM;
 				goto out_put;
@@ -2540,7 +2546,8 @@
 		} else if (user_wr->opcode == IB_WR_SEND ||
 			   user_wr->opcode == IB_WR_SEND_WITH_IMM ||
 			   user_wr->opcode == IB_WR_SEND_WITH_INV) {
-			next = alloc_wr(sizeof(*next), user_wr->num_sge);
+			next_size = sizeof(*next);
+			next = alloc_wr(next_size, user_wr->num_sge);
 			if (!next) {
 				ret = -ENOMEM;
 				goto out_put;
@@ -2572,7 +2579,7 @@
 
 		if (next->num_sge) {
 			next->sg_list = (void *) next +
-				ALIGN(sizeof *next, sizeof (struct ib_sge));
+				ALIGN(next_size, sizeof(struct ib_sge));
 			if (copy_from_user(next->sg_list,
 					   buf + sizeof cmd +
 					   cmd.wr_count * cmd.wqe_size +
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 043a60e..545906d 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1516,7 +1516,7 @@
  * @sg_nents:      number of entries in sg
  * @set_page:      driver page assignment function pointer
  *
- * Core service helper for drivers to covert the largest
+ * Core service helper for drivers to convert the largest
  * prefix of given sg list to a page vector. The sg list
  * prefix converted is the prefix that meet the requirements
  * of ib_map_mr_sg.
@@ -1533,7 +1533,7 @@
 	u64 last_end_dma_addr = 0, last_page_addr = 0;
 	unsigned int last_page_off = 0;
 	u64 page_mask = ~((u64)mr->page_size - 1);
-	int i;
+	int i, ret;
 
 	mr->iova = sg_dma_address(&sgl[0]);
 	mr->length = 0;
@@ -1544,27 +1544,29 @@
 		u64 end_dma_addr = dma_addr + dma_len;
 		u64 page_addr = dma_addr & page_mask;
 
-		if (i && page_addr != dma_addr) {
-			if (last_end_dma_addr != dma_addr) {
-				/* gap */
-				goto done;
+		/*
+		 * For the second and later elements, check whether either the
+		 * end of element i-1 or the start of element i is not aligned
+		 * on a page boundary.
+		 */
+		if (i && (last_page_off != 0 || page_addr != dma_addr)) {
+			/* Stop mapping if there is a gap. */
+			if (last_end_dma_addr != dma_addr)
+				break;
 
-			} else if (last_page_off + dma_len <= mr->page_size) {
-				/* chunk this fragment with the last */
-				mr->length += dma_len;
-				last_end_dma_addr += dma_len;
-				last_page_off += dma_len;
-				continue;
-			} else {
-				/* map starting from the next page */
-				page_addr = last_page_addr + mr->page_size;
-				dma_len -= mr->page_size - last_page_off;
-			}
+			/*
+			 * Coalesce this element with the last. If it is small
+			 * enough just update mr->length. Otherwise start
+			 * mapping from the next page.
+			 */
+			goto next_page;
 		}
 
 		do {
-			if (unlikely(set_page(mr, page_addr)))
-				goto done;
+			ret = set_page(mr, page_addr);
+			if (unlikely(ret < 0))
+				return i ? : ret;
+next_page:
 			page_addr += mr->page_size;
 		} while (page_addr < end_dma_addr);
 
@@ -1574,7 +1576,6 @@
 		last_page_off = end_dma_addr & ~page_mask;
 	}
 
-done:
 	return i;
 }
 EXPORT_SYMBOL(ib_sg_to_pages);
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index f567160..97d6878 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -456,7 +456,7 @@
 	props->max_qp_wr	   = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE;
 	props->max_sge		   = min(dev->dev->caps.max_sq_sg,
 					 dev->dev->caps.max_rq_sg);
-	props->max_sge_rd = props->max_sge;
+	props->max_sge_rd	   = MLX4_MAX_SGE_RD;
 	props->max_cq		   = dev->dev->quotas.cq;
 	props->max_cqe		   = dev->dev->caps.max_cqes;
 	props->max_mr		   = dev->dev->quotas.mpt;
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index a2e4ca5..13eaaf4 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -34,6 +34,7 @@
 #include <linux/log2.h>
 #include <linux/slab.h>
 #include <linux/netdevice.h>
+#include <linux/vmalloc.h>
 
 #include <rdma/ib_cache.h>
 #include <rdma/ib_pack.h>
@@ -795,8 +796,14 @@
 		if (err)
 			goto err_mtt;
 
-		qp->sq.wrid  = kmalloc(qp->sq.wqe_cnt * sizeof (u64), gfp);
-		qp->rq.wrid  = kmalloc(qp->rq.wqe_cnt * sizeof (u64), gfp);
+		qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(u64), gfp);
+		if (!qp->sq.wrid)
+			qp->sq.wrid = __vmalloc(qp->sq.wqe_cnt * sizeof(u64),
+						gfp, PAGE_KERNEL);
+		qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(u64), gfp);
+		if (!qp->rq.wrid)
+			qp->rq.wrid = __vmalloc(qp->rq.wqe_cnt * sizeof(u64),
+						gfp, PAGE_KERNEL);
 		if (!qp->sq.wrid || !qp->rq.wrid) {
 			err = -ENOMEM;
 			goto err_wrid;
@@ -886,8 +893,8 @@
 		if (qp_has_rq(init_attr))
 			mlx4_ib_db_unmap_user(to_mucontext(pd->uobject->context), &qp->db);
 	} else {
-		kfree(qp->sq.wrid);
-		kfree(qp->rq.wrid);
+		kvfree(qp->sq.wrid);
+		kvfree(qp->rq.wrid);
 	}
 
 err_mtt:
@@ -1062,8 +1069,8 @@
 					      &qp->db);
 		ib_umem_release(qp->umem);
 	} else {
-		kfree(qp->sq.wrid);
-		kfree(qp->rq.wrid);
+		kvfree(qp->sq.wrid);
+		kvfree(qp->rq.wrid);
 		if (qp->mlx4_ib_qp_type & (MLX4_IB_QPT_PROXY_SMI_OWNER |
 		    MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI))
 			free_proxy_bufs(&dev->ib_dev, qp);
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index dce5dfe..8d133c4 100644
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -34,6 +34,7 @@
 #include <linux/mlx4/qp.h>
 #include <linux/mlx4/srq.h>
 #include <linux/slab.h>
+#include <linux/vmalloc.h>
 
 #include "mlx4_ib.h"
 #include "user.h"
@@ -172,8 +173,12 @@
 
 		srq->wrid = kmalloc(srq->msrq.max * sizeof (u64), GFP_KERNEL);
 		if (!srq->wrid) {
-			err = -ENOMEM;
-			goto err_mtt;
+			srq->wrid = __vmalloc(srq->msrq.max * sizeof(u64),
+					      GFP_KERNEL, PAGE_KERNEL);
+			if (!srq->wrid) {
+				err = -ENOMEM;
+				goto err_mtt;
+			}
 		}
 	}
 
@@ -204,7 +209,7 @@
 	if (pd->uobject)
 		mlx4_ib_db_unmap_user(to_mucontext(pd->uobject->context), &srq->db);
 	else
-		kfree(srq->wrid);
+		kvfree(srq->wrid);
 
 err_mtt:
 	mlx4_mtt_cleanup(dev->dev, &srq->mtt);
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index ec8993a..6000f7a 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -381,7 +381,19 @@
 			}
 		}
 	} else if (ent->cur > 2 * ent->limit) {
-		if (!someone_adding(cache) &&
+		/*
+		 * The remove_keys() logic is performed as garbage collection
+		 * task. Such task is intended to be run when no other active
+		 * processes are running.
+		 *
+		 * The need_resched() will return TRUE if there are user tasks
+		 * to be activated in near future.
+		 *
+		 * In such case, we don't execute remove_keys() and postpone
+		 * the garbage collection work to try to run in next cycle,
+		 * in order to free CPU resources to other tasks.
+		 */
+		if (!need_resched() && !someone_adding(cache) &&
 		    time_after(jiffies, cache->last_add + 300 * HZ)) {
 			remove_keys(dev, i, 1);
 			if (ent->cur > ent->limit)
diff --git a/drivers/infiniband/hw/qib/qib_qsfp.c b/drivers/infiniband/hw/qib/qib_qsfp.c
index 5e27f76..4c7c3c8 100644
--- a/drivers/infiniband/hw/qib/qib_qsfp.c
+++ b/drivers/infiniband/hw/qib/qib_qsfp.c
@@ -292,7 +292,7 @@
 		qib_dev_porterr(ppd->dd, ppd->port,
 				"QSFP byte0 is 0x%02X, S/B 0x0C/D\n", peek[0]);
 
-	if ((peek[2] & 2) == 0) {
+	if ((peek[2] & 4) == 0) {
 		/*
 		 * If cable is paged, rather than "flat memory", we need to
 		 * set the page to zero, Even if it already appears to be zero.
@@ -538,7 +538,7 @@
 	sofar += scnprintf(buf + sofar, len - sofar, "Date:%.*s\n",
 			   QSFP_DATE_LEN, cd.date);
 	sofar += scnprintf(buf + sofar, len - sofar, "Lot:%.*s\n",
-			   QSFP_LOT_LEN, cd.date);
+			   QSFP_LOT_LEN, cd.lot);
 
 	while (bidx < QSFP_DEFAULT_HDR_CNT) {
 		int iidx;
diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h
index 2baf5ad..bc803f3 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.h
+++ b/drivers/infiniband/hw/qib/qib_verbs.h
@@ -329,9 +329,9 @@
 struct qib_mr {
 	struct ib_mr ibmr;
 	struct ib_umem *umem;
-	struct qib_mregion mr;  /* must be last */
 	u64 *pages;
 	u32 npages;
+	struct qib_mregion mr;  /* must be last */
 };
 
 /*
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index a930702..42f4da6 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -1293,7 +1293,7 @@
 		if (mr_status.fail_status & IB_MR_CHECK_SIG_STATUS) {
 			sector_t sector_off = mr_status.sig_err.sig_err_offset;
 
-			do_div(sector_off, sector_size + 8);
+			sector_div(sector_off, sector_size + 8);
 			*sector = scsi_get_lba(iser_task->sc) + sector_off;
 
 			pr_err("PI error found type %d at sector %llx "
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index dfbbbb2..8a51c3b 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -157,16 +157,9 @@
 	attr.recv_cq = comp->cq;
 	attr.cap.max_send_wr = ISERT_QP_MAX_REQ_DTOS;
 	attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS + 1;
-	/*
-	 * FIXME: Use devattr.max_sge - 2 for max_send_sge as
-	 * work-around for RDMA_READs with ConnectX-2.
-	 *
-	 * Also, still make sure to have at least two SGEs for
-	 * outgoing control PDU responses.
-	 */
-	attr.cap.max_send_sge = max(2, device->dev_attr.max_sge - 2);
-	isert_conn->max_sge = attr.cap.max_send_sge;
-
+	attr.cap.max_send_sge = device->dev_attr.max_sge;
+	isert_conn->max_sge = min(device->dev_attr.max_sge,
+				  device->dev_attr.max_sge_rd);
 	attr.cap.max_recv_sge = 1;
 	attr.sq_sig_type = IB_SIGNAL_REQ_WR;
 	attr.qp_type = IB_QPT_RC;
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 9909022..3db9a65 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -488,7 +488,7 @@
 	struct ib_qp *qp;
 	struct ib_fmr_pool *fmr_pool = NULL;
 	struct srp_fr_pool *fr_pool = NULL;
-	const int m = 1 + dev->use_fast_reg;
+	const int m = dev->use_fast_reg ? 3 : 1;
 	struct ib_cq_init_attr cq_attr = {};
 	int ret;
 
@@ -994,16 +994,16 @@
 
 	ret = srp_lookup_path(ch);
 	if (ret)
-		return ret;
+		goto out;
 
 	while (1) {
 		init_completion(&ch->done);
 		ret = srp_send_req(ch, multich);
 		if (ret)
-			return ret;
+			goto out;
 		ret = wait_for_completion_interruptible(&ch->done);
 		if (ret < 0)
-			return ret;
+			goto out;
 
 		/*
 		 * The CM event handling code will set status to
@@ -1011,15 +1011,16 @@
 		 * back, or SRP_DLID_REDIRECT if we get a lid/qp
 		 * redirect REJ back.
 		 */
-		switch (ch->status) {
+		ret = ch->status;
+		switch (ret) {
 		case 0:
 			ch->connected = true;
-			return 0;
+			goto out;
 
 		case SRP_PORT_REDIRECT:
 			ret = srp_lookup_path(ch);
 			if (ret)
-				return ret;
+				goto out;
 			break;
 
 		case SRP_DLID_REDIRECT:
@@ -1028,13 +1029,16 @@
 		case SRP_STALE_CONN:
 			shost_printk(KERN_ERR, target->scsi_host, PFX
 				     "giving up on stale connection\n");
-			ch->status = -ECONNRESET;
-			return ch->status;
+			ret = -ECONNRESET;
+			goto out;
 
 		default:
-			return ch->status;
+			goto out;
 		}
 	}
+
+out:
+	return ret <= 0 ? ret : -ENODEV;
 }
 
 static int srp_inv_rkey(struct srp_rdma_ch *ch, u32 rkey)
@@ -1309,7 +1313,7 @@
 }
 
 static int srp_map_finish_fr(struct srp_map_state *state,
-			     struct srp_rdma_ch *ch)
+			     struct srp_rdma_ch *ch, int sg_nents)
 {
 	struct srp_target_port *target = ch->target;
 	struct srp_device *dev = target->srp_host->srp_dev;
@@ -1324,10 +1328,10 @@
 
 	WARN_ON_ONCE(!dev->use_fast_reg);
 
-	if (state->sg_nents == 0)
+	if (sg_nents == 0)
 		return 0;
 
-	if (state->sg_nents == 1 && target->global_mr) {
+	if (sg_nents == 1 && target->global_mr) {
 		srp_map_desc(state, sg_dma_address(state->sg),
 			     sg_dma_len(state->sg),
 			     target->global_mr->rkey);
@@ -1341,8 +1345,7 @@
 	rkey = ib_inc_rkey(desc->mr->rkey);
 	ib_update_fast_reg_key(desc->mr, rkey);
 
-	n = ib_map_mr_sg(desc->mr, state->sg, state->sg_nents,
-			 dev->mr_page_size);
+	n = ib_map_mr_sg(desc->mr, state->sg, sg_nents, dev->mr_page_size);
 	if (unlikely(n < 0))
 		return n;
 
@@ -1448,16 +1451,15 @@
 	state->fr.next = req->fr_list;
 	state->fr.end = req->fr_list + ch->target->cmd_sg_cnt;
 	state->sg = scat;
-	state->sg_nents = scsi_sg_count(req->scmnd);
 
-	while (state->sg_nents) {
+	while (count) {
 		int i, n;
 
-		n = srp_map_finish_fr(state, ch);
+		n = srp_map_finish_fr(state, ch, count);
 		if (unlikely(n < 0))
 			return n;
 
-		state->sg_nents -= n;
+		count -= n;
 		for (i = 0; i < n; i++)
 			state->sg = sg_next(state->sg);
 	}
@@ -1517,10 +1519,12 @@
 
 	if (dev->use_fast_reg) {
 		state.sg = idb_sg;
-		state.sg_nents = 1;
 		sg_set_buf(idb_sg, req->indirect_desc, idb_len);
 		idb_sg->dma_address = req->indirect_dma_addr; /* hack! */
-		ret = srp_map_finish_fr(&state, ch);
+#ifdef CONFIG_NEED_SG_DMA_LENGTH
+		idb_sg->dma_length = idb_sg->length;	      /* hack^2 */
+#endif
+		ret = srp_map_finish_fr(&state, ch, 1);
 		if (ret < 0)
 			return ret;
 	} else if (dev->use_fmr) {
@@ -1655,7 +1659,7 @@
 			return ret;
 		req->nmdesc++;
 	} else {
-		idb_rkey = target->global_mr->rkey;
+		idb_rkey = cpu_to_be32(target->global_mr->rkey);
 	}
 
 	indirect_hdr->table_desc.va = cpu_to_be64(req->indirect_dma_addr);
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index 87a2a91..f6af531 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -300,10 +300,7 @@
 	dma_addr_t		base_dma_addr;
 	u32			dma_len;
 	u32			total_len;
-	union {
-		unsigned int	npages;
-		int		sg_nents;
-	};
+	unsigned int		npages;
 	unsigned int		nmdesc;
 	unsigned int		ndesc;
 };
diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c
index 598ab3f..cadf104 100644
--- a/drivers/irqchip/irq-versatile-fpga.c
+++ b/drivers/irqchip/irq-versatile-fpga.c
@@ -210,7 +210,12 @@
 		parent_irq = -1;
 	}
 
+#ifdef CONFIG_ARCH_VERSATILE
+	fpga_irq_init(base, node->name, IRQ_SIC_START, parent_irq, valid_mask,
+				  node);
+#else
 	fpga_irq_init(base, node->name, 0, parent_irq, valid_mask, node);
+#endif
 
 	writel(clear_mask, base + IRQ_ENABLE_CLEAR);
 	writel(clear_mask, base + FIQ_ENABLE_CLEAR);
diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig
index a16bf56..85a3390 100644
--- a/drivers/lightnvm/Kconfig
+++ b/drivers/lightnvm/Kconfig
@@ -18,6 +18,7 @@
 
 config NVM_DEBUG
 	bool "Open-Channel SSD debugging support"
+	default n
 	---help---
 	Exposes a debug management interface to create/remove targets at:
 
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 86ce887..8f41b24 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -74,7 +74,7 @@
 void *nvm_dev_dma_alloc(struct nvm_dev *dev, gfp_t mem_flags,
 							dma_addr_t *dma_handler)
 {
-	return dev->ops->dev_dma_alloc(dev->q, dev->ppalist_pool, mem_flags,
+	return dev->ops->dev_dma_alloc(dev, dev->ppalist_pool, mem_flags,
 								dma_handler);
 }
 EXPORT_SYMBOL(nvm_dev_dma_alloc);
@@ -97,15 +97,47 @@
 	return NULL;
 }
 
+struct nvmm_type *nvm_init_mgr(struct nvm_dev *dev)
+{
+	struct nvmm_type *mt;
+	int ret;
+
+	lockdep_assert_held(&nvm_lock);
+
+	list_for_each_entry(mt, &nvm_mgrs, list) {
+		ret = mt->register_mgr(dev);
+		if (ret < 0) {
+			pr_err("nvm: media mgr failed to init (%d) on dev %s\n",
+								ret, dev->name);
+			return NULL; /* initialization failed */
+		} else if (ret > 0)
+			return mt;
+	}
+
+	return NULL;
+}
+
 int nvm_register_mgr(struct nvmm_type *mt)
 {
+	struct nvm_dev *dev;
 	int ret = 0;
 
 	down_write(&nvm_lock);
-	if (nvm_find_mgr_type(mt->name))
+	if (nvm_find_mgr_type(mt->name)) {
 		ret = -EEXIST;
-	else
+		goto finish;
+	} else {
 		list_add(&mt->list, &nvm_mgrs);
+	}
+
+	/* try to register media mgr if any device have none configured */
+	list_for_each_entry(dev, &nvm_devices, devices) {
+		if (dev->mt)
+			continue;
+
+		dev->mt = nvm_init_mgr(dev);
+	}
+finish:
 	up_write(&nvm_lock);
 
 	return ret;
@@ -123,26 +155,6 @@
 }
 EXPORT_SYMBOL(nvm_unregister_mgr);
 
-/* register with device with a supported manager */
-static int register_mgr(struct nvm_dev *dev)
-{
-	struct nvmm_type *mt;
-	int ret = 0;
-
-	list_for_each_entry(mt, &nvm_mgrs, list) {
-		ret = mt->register_mgr(dev);
-		if (ret > 0) {
-			dev->mt = mt;
-			break; /* successfully initialized */
-		}
-	}
-
-	if (!ret)
-		pr_info("nvm: no compatible nvm manager found.\n");
-
-	return ret;
-}
-
 static struct nvm_dev *nvm_find_nvm_dev(const char *name)
 {
 	struct nvm_dev *dev;
@@ -246,7 +258,7 @@
 	if (!dev->q || !dev->ops)
 		return ret;
 
-	if (dev->ops->identity(dev->q, &dev->identity)) {
+	if (dev->ops->identity(dev, &dev->identity)) {
 		pr_err("nvm: device could not be identified\n");
 		goto err;
 	}
@@ -271,14 +283,6 @@
 		goto err;
 	}
 
-	down_write(&nvm_lock);
-	ret = register_mgr(dev);
-	up_write(&nvm_lock);
-	if (ret < 0)
-		goto err;
-	if (!ret)
-		return 0;
-
 	pr_info("nvm: registered %s [%u/%u/%u/%u/%u/%u]\n",
 			dev->name, dev->sec_per_pg, dev->nr_planes,
 			dev->pgs_per_blk, dev->blks_per_lun, dev->nr_luns,
@@ -326,8 +330,7 @@
 	}
 
 	if (dev->ops->max_phys_sect > 1) {
-		dev->ppalist_pool = dev->ops->create_dma_pool(dev->q,
-								"ppalist");
+		dev->ppalist_pool = dev->ops->create_dma_pool(dev, "ppalist");
 		if (!dev->ppalist_pool) {
 			pr_err("nvm: could not create ppa pool\n");
 			ret = -ENOMEM;
@@ -335,7 +338,9 @@
 		}
 	}
 
+	/* register device with a supported media manager */
 	down_write(&nvm_lock);
+	dev->mt = nvm_init_mgr(dev);
 	list_add(&dev->devices, &nvm_devices);
 	up_write(&nvm_lock);
 
@@ -380,19 +385,13 @@
 	struct nvm_tgt_type *tt;
 	struct nvm_target *t;
 	void *targetdata;
-	int ret = 0;
 
-	down_write(&nvm_lock);
 	if (!dev->mt) {
-		ret = register_mgr(dev);
-		if (!ret)
-			ret = -ENODEV;
-		if (ret < 0) {
-			up_write(&nvm_lock);
-			return ret;
-		}
+		pr_info("nvm: device has no media manager registered.\n");
+		return -ENODEV;
 	}
 
+	down_write(&nvm_lock);
 	tt = nvm_find_target_type(create->tgttype);
 	if (!tt) {
 		pr_err("nvm: target type %s not found\n", create->tgttype);
diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c
index 35dde84..f434e89 100644
--- a/drivers/lightnvm/gennvm.c
+++ b/drivers/lightnvm/gennvm.c
@@ -195,7 +195,7 @@
 	}
 
 	if (dev->ops->get_l2p_tbl) {
-		ret = dev->ops->get_l2p_tbl(dev->q, 0, dev->total_pages,
+		ret = dev->ops->get_l2p_tbl(dev, 0, dev->total_pages,
 							gennvm_block_map, dev);
 		if (ret) {
 			pr_err("gennvm: could not read L2P table.\n");
@@ -219,6 +219,9 @@
 	struct gen_nvm *gn;
 	int ret;
 
+	if (!try_module_get(THIS_MODULE))
+		return -ENODEV;
+
 	gn = kzalloc(sizeof(struct gen_nvm), GFP_KERNEL);
 	if (!gn)
 		return -ENOMEM;
@@ -242,12 +245,14 @@
 	return 1;
 err:
 	gennvm_free(dev);
+	module_put(THIS_MODULE);
 	return ret;
 }
 
 static void gennvm_unregister(struct nvm_dev *dev)
 {
 	gennvm_free(dev);
+	module_put(THIS_MODULE);
 }
 
 static struct nvm_block *gennvm_get_blk(struct nvm_dev *dev,
@@ -262,14 +267,11 @@
 	if (list_empty(&lun->free_list)) {
 		pr_err_ratelimited("gennvm: lun %u have no free pages available",
 								lun->vlun.id);
-		spin_unlock(&vlun->lock);
 		goto out;
 	}
 
-	while (!is_gc && lun->vlun.nr_free_blocks < lun->reserved_blocks) {
-		spin_unlock(&vlun->lock);
+	if (!is_gc && lun->vlun.nr_free_blocks < lun->reserved_blocks)
 		goto out;
-	}
 
 	blk = list_first_entry(&lun->free_list, struct nvm_block, list);
 	list_move_tail(&blk->list, &lun->used_list);
@@ -278,8 +280,8 @@
 	lun->vlun.nr_free_blocks--;
 	lun->vlun.nr_inuse_blocks++;
 
-	spin_unlock(&vlun->lock);
 out:
+	spin_unlock(&vlun->lock);
 	return blk;
 }
 
@@ -349,7 +351,7 @@
 	gennvm_generic_to_addr_mode(dev, rqd);
 
 	rqd->dev = dev;
-	return dev->ops->submit_io(dev->q, rqd);
+	return dev->ops->submit_io(dev, rqd);
 }
 
 static void gennvm_blk_set_type(struct nvm_dev *dev, struct ppa_addr *ppa,
@@ -385,7 +387,7 @@
 	if (!dev->ops->set_bb_tbl)
 		return;
 
-	if (dev->ops->set_bb_tbl(dev->q, rqd, 1))
+	if (dev->ops->set_bb_tbl(dev, rqd, 1))
 		return;
 
 	gennvm_addr_to_generic_mode(dev, rqd);
@@ -453,7 +455,7 @@
 
 	gennvm_generic_to_addr_mode(dev, &rqd);
 
-	ret = dev->ops->erase_block(dev->q, &rqd);
+	ret = dev->ops->erase_block(dev, &rqd);
 
 	if (plane_cnt)
 		nvm_dev_dma_free(dev, rqd.ppa_list, rqd.dma_ppa_list);
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index 75e59c3..134e4fa 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -182,7 +182,7 @@
 	struct nvm_block *blk;
 	struct rrpc_block *rblk;
 
-	blk = nvm_get_blk(rrpc->dev, rlun->parent, 0);
+	blk = nvm_get_blk(rrpc->dev, rlun->parent, flags);
 	if (!blk)
 		return NULL;
 
@@ -202,6 +202,20 @@
 	nvm_put_blk(rrpc->dev, rblk->parent);
 }
 
+static void rrpc_put_blks(struct rrpc *rrpc)
+{
+	struct rrpc_lun *rlun;
+	int i;
+
+	for (i = 0; i < rrpc->nr_luns; i++) {
+		rlun = &rrpc->luns[i];
+		if (rlun->cur)
+			rrpc_put_blk(rrpc, rlun->cur);
+		if (rlun->gc_cur)
+			rrpc_put_blk(rrpc, rlun->gc_cur);
+	}
+}
+
 static struct rrpc_lun *get_next_lun(struct rrpc *rrpc)
 {
 	int next = atomic_inc_return(&rrpc->next_lun);
@@ -1002,7 +1016,7 @@
 		return 0;
 
 	/* Bring up the mapping table from device */
-	ret = dev->ops->get_l2p_tbl(dev->q, 0, dev->total_pages,
+	ret = dev->ops->get_l2p_tbl(dev, 0, dev->total_pages,
 							rrpc_l2p_update, rrpc);
 	if (ret) {
 		pr_err("nvm: rrpc: could not read L2P table.\n");
@@ -1224,18 +1238,21 @@
 
 		rblk = rrpc_get_blk(rrpc, rlun, 0);
 		if (!rblk)
-			return -EINVAL;
+			goto err;
 
 		rrpc_set_lun_cur(rlun, rblk);
 
 		/* Emergency gc block */
 		rblk = rrpc_get_blk(rrpc, rlun, 1);
 		if (!rblk)
-			return -EINVAL;
+			goto err;
 		rlun->gc_cur = rblk;
 	}
 
 	return 0;
+err:
+	rrpc_put_blks(rrpc);
+	return -EINVAL;
 }
 
 static struct nvm_tgt_type tt_rrpc;
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 1fa4569..c219a05 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1207,6 +1207,12 @@
 	dm_block_t held_root;
 
 	/*
+	 * We commit to ensure the btree roots which we increment in a
+	 * moment are up to date.
+	 */
+	__commit_transaction(pmd);
+
+	/*
 	 * Copy the superblock.
 	 */
 	dm_sm_inc_block(pmd->metadata_sm, THIN_SUPERBLOCK_LOCATION);
@@ -1538,7 +1544,7 @@
 static int __remove_range(struct dm_thin_device *td, dm_block_t begin, dm_block_t end)
 {
 	int r;
-	unsigned count;
+	unsigned count, total_count = 0;
 	struct dm_pool_metadata *pmd = td->pmd;
 	dm_block_t keys[1] = { td->id };
 	__le64 value;
@@ -1561,11 +1567,29 @@
 	if (r)
 		return r;
 
-	r = dm_btree_remove_leaves(&pmd->bl_info, mapping_root, &begin, end, &mapping_root, &count);
-	if (r)
-		return r;
+	/*
+	 * Remove leaves stops at the first unmapped entry, so we have to
+	 * loop round finding mapped ranges.
+	 */
+	while (begin < end) {
+		r = dm_btree_lookup_next(&pmd->bl_info, mapping_root, &begin, &begin, &value);
+		if (r == -ENODATA)
+			break;
 
-	td->mapped_blocks -= count;
+		if (r)
+			return r;
+
+		if (begin >= end)
+			break;
+
+		r = dm_btree_remove_leaves(&pmd->bl_info, mapping_root, &begin, end, &mapping_root, &count);
+		if (r)
+			return r;
+
+		total_count += count;
+	}
+
+	td->mapped_blocks -= total_count;
 	td->changed = 1;
 
 	/*
diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c
index c573402..b1ced58 100644
--- a/drivers/md/persistent-data/dm-btree.c
+++ b/drivers/md/persistent-data/dm-btree.c
@@ -63,6 +63,11 @@
 	return bsearch(n, key, 0);
 }
 
+static int upper_bound(struct btree_node *n, uint64_t key)
+{
+	return bsearch(n, key, 1);
+}
+
 void inc_children(struct dm_transaction_manager *tm, struct btree_node *n,
 		  struct dm_btree_value_type *vt)
 {
@@ -252,6 +257,16 @@
 	dm_tm_unlock(s->tm, f->b);
 }
 
+static void unlock_all_frames(struct del_stack *s)
+{
+	struct frame *f;
+
+	while (unprocessed_frames(s)) {
+		f = s->spine + s->top--;
+		dm_tm_unlock(s->tm, f->b);
+	}
+}
+
 int dm_btree_del(struct dm_btree_info *info, dm_block_t root)
 {
 	int r;
@@ -308,9 +323,13 @@
 			pop_frame(s);
 		}
 	}
-
 out:
+	if (r) {
+		/* cleanup all frames of del_stack */
+		unlock_all_frames(s);
+	}
 	kfree(s);
+
 	return r;
 }
 EXPORT_SYMBOL_GPL(dm_btree_del);
@@ -392,6 +411,82 @@
 }
 EXPORT_SYMBOL_GPL(dm_btree_lookup);
 
+static int dm_btree_lookup_next_single(struct dm_btree_info *info, dm_block_t root,
+				       uint64_t key, uint64_t *rkey, void *value_le)
+{
+	int r, i;
+	uint32_t flags, nr_entries;
+	struct dm_block *node;
+	struct btree_node *n;
+
+	r = bn_read_lock(info, root, &node);
+	if (r)
+		return r;
+
+	n = dm_block_data(node);
+	flags = le32_to_cpu(n->header.flags);
+	nr_entries = le32_to_cpu(n->header.nr_entries);
+
+	if (flags & INTERNAL_NODE) {
+		i = lower_bound(n, key);
+		if (i < 0 || i >= nr_entries) {
+			r = -ENODATA;
+			goto out;
+		}
+
+		r = dm_btree_lookup_next_single(info, value64(n, i), key, rkey, value_le);
+		if (r == -ENODATA && i < (nr_entries - 1)) {
+			i++;
+			r = dm_btree_lookup_next_single(info, value64(n, i), key, rkey, value_le);
+		}
+
+	} else {
+		i = upper_bound(n, key);
+		if (i < 0 || i >= nr_entries) {
+			r = -ENODATA;
+			goto out;
+		}
+
+		*rkey = le64_to_cpu(n->keys[i]);
+		memcpy(value_le, value_ptr(n, i), info->value_type.size);
+	}
+out:
+	dm_tm_unlock(info->tm, node);
+	return r;
+}
+
+int dm_btree_lookup_next(struct dm_btree_info *info, dm_block_t root,
+			 uint64_t *keys, uint64_t *rkey, void *value_le)
+{
+	unsigned level;
+	int r = -ENODATA;
+	__le64 internal_value_le;
+	struct ro_spine spine;
+
+	init_ro_spine(&spine, info);
+	for (level = 0; level < info->levels - 1u; level++) {
+		r = btree_lookup_raw(&spine, root, keys[level],
+				     lower_bound, rkey,
+				     &internal_value_le, sizeof(uint64_t));
+		if (r)
+			goto out;
+
+		if (*rkey != keys[level]) {
+			r = -ENODATA;
+			goto out;
+		}
+
+		root = le64_to_cpu(internal_value_le);
+	}
+
+	r = dm_btree_lookup_next_single(info, root, keys[level], rkey, value_le);
+out:
+	exit_ro_spine(&spine);
+	return r;
+}
+
+EXPORT_SYMBOL_GPL(dm_btree_lookup_next);
+
 /*
  * Splits a node by creating a sibling node and shifting half the nodes
  * contents across.  Assumes there is a parent node, and it has room for
@@ -473,8 +568,10 @@
 
 	r = insert_at(sizeof(__le64), pn, parent_index + 1,
 		      le64_to_cpu(rn->keys[0]), &location);
-	if (r)
+	if (r) {
+		unlock_block(s->info, right);
 		return r;
+	}
 
 	if (key < le64_to_cpu(rn->keys[0])) {
 		unlock_block(s->info, right);
diff --git a/drivers/md/persistent-data/dm-btree.h b/drivers/md/persistent-data/dm-btree.h
index 11d8cf7..c74301f 100644
--- a/drivers/md/persistent-data/dm-btree.h
+++ b/drivers/md/persistent-data/dm-btree.h
@@ -110,6 +110,13 @@
 		    uint64_t *keys, void *value_le);
 
 /*
+ * Tries to find the first key where the bottom level key is >= to that
+ * given.  Useful for skipping empty sections of the btree.
+ */
+int dm_btree_lookup_next(struct dm_btree_info *info, dm_block_t root,
+			 uint64_t *keys, uint64_t *rkey, void *value_le);
+
+/*
  * Insertion (or overwrite an existing value).  O(ln(n))
  */
 int dm_btree_insert(struct dm_btree_info *info, dm_block_t root,
@@ -135,9 +142,10 @@
 		    uint64_t *keys, dm_block_t *new_root);
 
 /*
- * Removes values between 'keys' and keys2, where keys2 is keys with the
- * final key replaced with 'end_key'.  'end_key' is the one-past-the-end
- * value.  'keys' may be altered.
+ * Removes a _contiguous_ run of values starting from 'keys' and not
+ * reaching keys2 (where keys2 is keys with the final key replaced with
+ * 'end_key').  'end_key' is the one-past-the-end value.  'keys' may be
+ * altered.
  */
 int dm_btree_remove_leaves(struct dm_btree_info *info, dm_block_t root,
 			   uint64_t *keys, uint64_t end_key,
diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
index 5309129..fca6dbc 100644
--- a/drivers/md/persistent-data/dm-space-map-metadata.c
+++ b/drivers/md/persistent-data/dm-space-map-metadata.c
@@ -136,7 +136,7 @@
 	return 0;
 }
 
-static int brb_pop(struct bop_ring_buffer *brb, struct block_op *result)
+static int brb_peek(struct bop_ring_buffer *brb, struct block_op *result)
 {
 	struct block_op *bop;
 
@@ -147,6 +147,17 @@
 	result->type = bop->type;
 	result->block = bop->block;
 
+	return 0;
+}
+
+static int brb_pop(struct bop_ring_buffer *brb)
+{
+	struct block_op *bop;
+
+	if (brb_empty(brb))
+		return -ENODATA;
+
+	bop = brb->bops + brb->begin;
 	brb->begin = brb_next(brb, brb->begin);
 
 	return 0;
@@ -211,7 +222,7 @@
 	while (!brb_empty(&smm->uncommitted)) {
 		struct block_op bop;
 
-		r = brb_pop(&smm->uncommitted, &bop);
+		r = brb_peek(&smm->uncommitted, &bop);
 		if (r) {
 			DMERR("bug in bop ring buffer");
 			break;
@@ -220,6 +231,8 @@
 		r = commit_bop(smm, &bop);
 		if (r)
 			break;
+
+		brb_pop(&smm->uncommitted);
 	}
 
 	return r;
@@ -683,7 +696,6 @@
 static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks)
 {
 	int r, i;
-	enum allocation_event ev;
 	struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm);
 	dm_block_t old_len = smm->ll.nr_blocks;
 
@@ -705,11 +717,12 @@
 	 * allocate any new blocks.
 	 */
 	do {
-		for (i = old_len; !r && i < smm->begin; i++) {
-			r = sm_ll_inc(&smm->ll, i, &ev);
-			if (r)
-				goto out;
-		}
+		for (i = old_len; !r && i < smm->begin; i++)
+			r = add_bop(smm, BOP_INC, i);
+
+		if (r)
+			goto out;
+
 		old_len = smm->begin;
 
 		r = apply_bops(smm);
@@ -754,7 +767,6 @@
 {
 	int r;
 	dm_block_t i;
-	enum allocation_event ev;
 	struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm);
 
 	smm->begin = superblock + 1;
@@ -782,7 +794,7 @@
 	 * allocated blocks that they were built from.
 	 */
 	for (i = superblock; !r && i < smm->begin; i++)
-		r = sm_ll_inc(&smm->ll, i, &ev);
+		r = add_bop(smm, BOP_INC, i);
 
 	if (r)
 		return r;
diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c
index d2e75c8..f409097 100644
--- a/drivers/misc/cxl/native.c
+++ b/drivers/misc/cxl/native.c
@@ -497,6 +497,7 @@
 {
 	u64 sr = 0;
 
+	set_endian(sr);
 	if (ctx->master)
 		sr |= CXL_PSL_SR_An_MP;
 	if (mfspr(SPRN_LPCR) & LPCR_TC)
@@ -506,7 +507,6 @@
 		sr |= CXL_PSL_SR_An_HV;
 	} else {
 		sr |= CXL_PSL_SR_An_PR | CXL_PSL_SR_An_R;
-		set_endian(sr);
 		sr &= ~(CXL_PSL_SR_An_HV);
 		if (!test_tsk_thread_flag(current, TIF_32BIT))
 			sr |= CXL_PSL_SR_An_SF;
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 2177e56..d48d579 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -1010,7 +1010,7 @@
 		if (!(smp->mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED &&
 		      smp->method == IB_MGMT_METHOD_GET) || network_view) {
 			mlx4_err(dev, "Unprivileged slave %d is trying to execute a Subnet MGMT MAD, class 0x%x, method 0x%x, view=%s for attr 0x%x. Rejecting\n",
-				 slave, smp->method, smp->mgmt_class,
+				 slave, smp->mgmt_class, smp->method,
 				 network_view ? "Network" : "Host",
 				 be16_to_cpu(smp->attr_id));
 			return -EPERM;
diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index 06c3364..15f2acb 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -271,9 +271,9 @@
 	return 0;
 }
 
-static int nvme_nvm_identity(struct request_queue *q, struct nvm_id *nvm_id)
+static int nvme_nvm_identity(struct nvm_dev *nvmdev, struct nvm_id *nvm_id)
 {
-	struct nvme_ns *ns = q->queuedata;
+	struct nvme_ns *ns = nvmdev->q->queuedata;
 	struct nvme_dev *dev = ns->dev;
 	struct nvme_nvm_id *nvme_nvm_id;
 	struct nvme_nvm_command c = {};
@@ -308,10 +308,10 @@
 	return ret;
 }
 
-static int nvme_nvm_get_l2p_tbl(struct request_queue *q, u64 slba, u32 nlb,
+static int nvme_nvm_get_l2p_tbl(struct nvm_dev *nvmdev, u64 slba, u32 nlb,
 				nvm_l2p_update_fn *update_l2p, void *priv)
 {
-	struct nvme_ns *ns = q->queuedata;
+	struct nvme_ns *ns = nvmdev->q->queuedata;
 	struct nvme_dev *dev = ns->dev;
 	struct nvme_nvm_command c = {};
 	u32 len = queue_max_hw_sectors(dev->admin_q) << 9;
@@ -415,10 +415,10 @@
 	return ret;
 }
 
-static int nvme_nvm_set_bb_tbl(struct request_queue *q, struct nvm_rq *rqd,
+static int nvme_nvm_set_bb_tbl(struct nvm_dev *nvmdev, struct nvm_rq *rqd,
 								int type)
 {
-	struct nvme_ns *ns = q->queuedata;
+	struct nvme_ns *ns = nvmdev->q->queuedata;
 	struct nvme_dev *dev = ns->dev;
 	struct nvme_nvm_command c = {};
 	int ret = 0;
@@ -455,7 +455,7 @@
 	struct nvm_rq *rqd = rq->end_io_data;
 	struct nvm_dev *dev = rqd->dev;
 
-	if (dev->mt->end_io(rqd, error))
+	if (dev->mt && dev->mt->end_io(rqd, error))
 		pr_err("nvme: err status: %x result: %lx\n",
 				rq->errors, (unsigned long)rq->special);
 
@@ -463,8 +463,9 @@
 	blk_mq_free_request(rq);
 }
 
-static int nvme_nvm_submit_io(struct request_queue *q, struct nvm_rq *rqd)
+static int nvme_nvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd)
 {
+	struct request_queue *q = dev->q;
 	struct nvme_ns *ns = q->queuedata;
 	struct request *rq;
 	struct bio *bio = rqd->bio;
@@ -502,8 +503,9 @@
 	return 0;
 }
 
-static int nvme_nvm_erase_block(struct request_queue *q, struct nvm_rq *rqd)
+static int nvme_nvm_erase_block(struct nvm_dev *dev, struct nvm_rq *rqd)
 {
+	struct request_queue *q = dev->q;
 	struct nvme_ns *ns = q->queuedata;
 	struct nvme_nvm_command c = {};
 
@@ -515,9 +517,9 @@
 	return nvme_submit_sync_cmd(q, (struct nvme_command *)&c, NULL, 0);
 }
 
-static void *nvme_nvm_create_dma_pool(struct request_queue *q, char *name)
+static void *nvme_nvm_create_dma_pool(struct nvm_dev *nvmdev, char *name)
 {
-	struct nvme_ns *ns = q->queuedata;
+	struct nvme_ns *ns = nvmdev->q->queuedata;
 	struct nvme_dev *dev = ns->dev;
 
 	return dma_pool_create(name, dev->dev, PAGE_SIZE, PAGE_SIZE, 0);
@@ -530,7 +532,7 @@
 	dma_pool_destroy(dma_pool);
 }
 
-static void *nvme_nvm_dev_dma_alloc(struct request_queue *q, void *pool,
+static void *nvme_nvm_dev_dma_alloc(struct nvm_dev *dev, void *pool,
 				    gfp_t mem_flags, dma_addr_t *dma_handler)
 {
 	return dma_pool_alloc(pool, mem_flags, dma_handler);
diff --git a/drivers/parisc/iommu-helpers.h b/drivers/parisc/iommu-helpers.h
index 761e77b..e56f156 100644
--- a/drivers/parisc/iommu-helpers.h
+++ b/drivers/parisc/iommu-helpers.h
@@ -104,7 +104,11 @@
 	struct scatterlist *contig_sg;	   /* contig chunk head */
 	unsigned long dma_offset, dma_len; /* start/len of DMA stream */
 	unsigned int n_mappings = 0;
-	unsigned int max_seg_size = dma_get_max_seg_size(dev);
+	unsigned int max_seg_size = min(dma_get_max_seg_size(dev),
+					(unsigned)DMA_CHUNK_SIZE);
+	unsigned int max_seg_boundary = dma_get_seg_boundary(dev) + 1;
+	if (max_seg_boundary)	/* check if the addition above didn't overflow */
+		max_seg_size = min(max_seg_size, max_seg_boundary);
 
 	while (nents > 0) {
 
@@ -138,14 +142,11 @@
 
 			/*
 			** First make sure current dma stream won't
-			** exceed DMA_CHUNK_SIZE if we coalesce the
+			** exceed max_seg_size if we coalesce the
 			** next entry.
 			*/   
-			if(unlikely(ALIGN(dma_len + dma_offset + startsg->length,
-					    IOVP_SIZE) > DMA_CHUNK_SIZE))
-				break;
-
-			if (startsg->length + dma_len > max_seg_size)
+			if (unlikely(ALIGN(dma_len + dma_offset + startsg->length, IOVP_SIZE) >
+				     max_seg_size))
 				break;
 
 			/*
diff --git a/drivers/staging/iio/iio_simple_dummy_events.c b/drivers/staging/iio/iio_simple_dummy_events.c
index bfbf1c5..6eb600f 100644
--- a/drivers/staging/iio/iio_simple_dummy_events.c
+++ b/drivers/staging/iio/iio_simple_dummy_events.c
@@ -159,7 +159,7 @@
 	struct iio_dummy_state *st = iio_priv(indio_dev);
 
 	st->event_timestamp = iio_get_time_ns();
-	return IRQ_HANDLED;
+	return IRQ_WAKE_THREAD;
 }
 
 /**
diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c
index f61ef66..a4a9a76 100644
--- a/drivers/staging/lustre/lustre/obdecho/echo_client.c
+++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c
@@ -1270,6 +1270,7 @@
 echo_copyout_lsm(struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob)
 {
 	struct lov_stripe_md *ulsm = _ulsm;
+	struct lov_oinfo **p;
 	int nob, i;
 
 	nob = offsetof(struct lov_stripe_md, lsm_oinfo[lsm->lsm_stripe_count]);
@@ -1279,9 +1280,10 @@
 	if (copy_to_user(ulsm, lsm, sizeof(*ulsm)))
 		return -EFAULT;
 
-	for (i = 0; i < lsm->lsm_stripe_count; i++) {
-		if (copy_to_user(ulsm->lsm_oinfo[i], lsm->lsm_oinfo[i],
-				      sizeof(lsm->lsm_oinfo[0])))
+	for (i = 0, p = lsm->lsm_oinfo; i < lsm->lsm_stripe_count; i++, p++) {
+		struct lov_oinfo __user *up;
+		if (get_user(up, ulsm->lsm_oinfo + i) ||
+		    copy_to_user(up, *p, sizeof(struct lov_oinfo)))
 			return -EFAULT;
 	}
 	return 0;
@@ -1289,9 +1291,10 @@
 
 static int
 echo_copyin_lsm(struct echo_device *ed, struct lov_stripe_md *lsm,
-		 void *ulsm, int ulsm_nob)
+		struct lov_stripe_md __user *ulsm, int ulsm_nob)
 {
 	struct echo_client_obd *ec = ed->ed_ec;
+	struct lov_oinfo **p;
 	int		     i;
 
 	if (ulsm_nob < sizeof(*lsm))
@@ -1306,11 +1309,10 @@
 	    ((__u64)lsm->lsm_stripe_size * lsm->lsm_stripe_count > ~0UL))
 		return -EINVAL;
 
-	for (i = 0; i < lsm->lsm_stripe_count; i++) {
-		if (copy_from_user(lsm->lsm_oinfo[i],
-				       ((struct lov_stripe_md *)ulsm)-> \
-				       lsm_oinfo[i],
-				       sizeof(lsm->lsm_oinfo[0])))
+	for (i = 0, p = lsm->lsm_oinfo; i < lsm->lsm_stripe_count; i++, p++) {
+		struct lov_oinfo __user *up;
+		if (get_user(up, ulsm->lsm_oinfo + i) ||
+		    copy_from_user(*p, up, sizeof(struct lov_oinfo)))
 			return -EFAULT;
 	}
 	return 0;
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index b30e742..26ca4f9 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1838,6 +1838,11 @@
 	},
 #endif
 
+	/* Exclude Infineon Flash Loader utility */
+	{ USB_DEVICE(0x058b, 0x0041),
+	.driver_info = IGNORE_DEVICE,
+	},
+
 	/* control interfaces without any protocol set */
 	{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
 		USB_CDC_PROTO_NONE) },
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 7caff02..5050760 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -115,7 +115,8 @@
 		   USB_SS_MULT(desc->bmAttributes) > 3) {
 		dev_warn(ddev, "Isoc endpoint has Mult of %d in "
 				"config %d interface %d altsetting %d ep %d: "
-				"setting to 3\n", desc->bmAttributes + 1,
+				"setting to 3\n",
+				USB_SS_MULT(desc->bmAttributes),
 				cfgno, inum, asnum, ep->desc.bEndpointAddress);
 		ep->ss_ep_comp.bmAttributes = 2;
 	}
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index bdeadc1..a5cc032 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -124,6 +124,10 @@
 
 int usb_device_supports_lpm(struct usb_device *udev)
 {
+	/* Some devices have trouble with LPM */
+	if (udev->quirks & USB_QUIRK_NO_LPM)
+		return 0;
+
 	/* USB 2.1 (and greater) devices indicate LPM support through
 	 * their USB 2.0 Extended Capabilities BOS descriptor.
 	 */
@@ -4512,6 +4516,8 @@
 		goto fail;
 	}
 
+	usb_detect_quirks(udev);
+
 	if (udev->wusb == 0 && le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0201) {
 		retval = usb_get_bos_descriptor(udev);
 		if (!retval) {
@@ -4710,7 +4716,6 @@
 		if (status < 0)
 			goto loop;
 
-		usb_detect_quirks(udev);
 		if (udev->quirks & USB_QUIRK_DELAY_INIT)
 			msleep(1000);
 
@@ -5326,9 +5331,6 @@
 	if (udev->usb2_hw_lpm_enabled == 1)
 		usb_set_usb2_hardware_lpm(udev, 0);
 
-	bos = udev->bos;
-	udev->bos = NULL;
-
 	/* Disable LPM and LTM while we reset the device and reinstall the alt
 	 * settings.  Device-initiated LPM settings, and system exit latency
 	 * settings are cleared when the device is reset, so we have to set
@@ -5337,15 +5339,18 @@
 	ret = usb_unlocked_disable_lpm(udev);
 	if (ret) {
 		dev_err(&udev->dev, "%s Failed to disable LPM\n.", __func__);
-		goto re_enumerate;
+		goto re_enumerate_no_bos;
 	}
 	ret = usb_disable_ltm(udev);
 	if (ret) {
 		dev_err(&udev->dev, "%s Failed to disable LTM\n.",
 				__func__);
-		goto re_enumerate;
+		goto re_enumerate_no_bos;
 	}
 
+	bos = udev->bos;
+	udev->bos = NULL;
+
 	for (i = 0; i < SET_CONFIG_TRIES; ++i) {
 
 		/* ep0 maxpacket size may change; let the HCD know about it.
@@ -5442,10 +5447,11 @@
 	return 0;
 
 re_enumerate:
-	/* LPM state doesn't matter when we're about to destroy the device. */
-	hub_port_logical_disconnect(parent_hub, port1);
 	usb_release_bos_descriptor(udev);
 	udev->bos = bos;
+re_enumerate_no_bos:
+	/* LPM state doesn't matter when we're about to destroy the device. */
+	hub_port_logical_disconnect(parent_hub, port1);
 	return -ENODEV;
 }
 
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 2106183..5487fe308 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -206,7 +206,7 @@
 		else
 			method = "default";
 
-		pr_warn("usb: failed to peer %s and %s by %s (%s:%s) (%s:%s)\n",
+		pr_debug("usb: failed to peer %s and %s by %s (%s:%s) (%s:%s)\n",
 			dev_name(&left->dev), dev_name(&right->dev), method,
 			dev_name(&left->dev),
 			lpeer ? dev_name(&lpeer->dev) : "none",
@@ -265,7 +265,7 @@
 	if (rc == 0) {
 		dev_dbg(&left->dev, "peered to %s\n", dev_name(&right->dev));
 	} else {
-		dev_warn(&left->dev, "failed to peer to %s (%d)\n",
+		dev_dbg(&left->dev, "failed to peer to %s (%d)\n",
 				dev_name(&right->dev), rc);
 		pr_warn_once("usb: port power management may be unreliable\n");
 		usb_port_block_power_off = 1;
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index f5a3819..6dc810b 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -125,6 +125,9 @@
 	{ USB_DEVICE(0x04f3, 0x016f), .driver_info =
 			USB_QUIRK_DEVICE_QUALIFIER },
 
+	{ USB_DEVICE(0x04f3, 0x21b8), .driver_info =
+			USB_QUIRK_DEVICE_QUALIFIER },
+
 	/* Roland SC-8820 */
 	{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
 
@@ -199,6 +202,12 @@
 	{ USB_DEVICE(0x1a0a, 0x0200), .driver_info =
 			USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
 
+	/* Blackmagic Design Intensity Shuttle */
+	{ USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM },
+
+	/* Blackmagic Design UltraStudio SDI */
+	{ USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM },
+
 	{ }  /* terminating entry must be last */
 };
 
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index e61d773..39c1cbf 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -125,9 +125,11 @@
 	if (ret)
 		return ret;
 
-	ret = clk_prepare_enable(hsotg->clk);
-	if (ret)
-		return ret;
+	if (hsotg->clk) {
+		ret = clk_prepare_enable(hsotg->clk);
+		if (ret)
+			return ret;
+	}
 
 	if (hsotg->uphy)
 		ret = usb_phy_init(hsotg->uphy);
@@ -175,7 +177,8 @@
 	if (ret)
 		return ret;
 
-	clk_disable_unprepare(hsotg->clk);
+	if (hsotg->clk)
+		clk_disable_unprepare(hsotg->clk);
 
 	ret = regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies),
 				     hsotg->supplies);
@@ -212,14 +215,41 @@
 	 */
 	hsotg->phy = devm_phy_get(hsotg->dev, "usb2-phy");
 	if (IS_ERR(hsotg->phy)) {
-		hsotg->phy = NULL;
-		hsotg->uphy = devm_usb_get_phy(hsotg->dev, USB_PHY_TYPE_USB2);
-		if (IS_ERR(hsotg->uphy))
-			hsotg->uphy = NULL;
-		else
-			hsotg->plat = dev_get_platdata(hsotg->dev);
+		ret = PTR_ERR(hsotg->phy);
+		switch (ret) {
+		case -ENODEV:
+		case -ENOSYS:
+			hsotg->phy = NULL;
+			break;
+		case -EPROBE_DEFER:
+			return ret;
+		default:
+			dev_err(hsotg->dev, "error getting phy %d\n", ret);
+			return ret;
+		}
 	}
 
+	if (!hsotg->phy) {
+		hsotg->uphy = devm_usb_get_phy(hsotg->dev, USB_PHY_TYPE_USB2);
+		if (IS_ERR(hsotg->uphy)) {
+			ret = PTR_ERR(hsotg->uphy);
+			switch (ret) {
+			case -ENODEV:
+			case -ENXIO:
+				hsotg->uphy = NULL;
+				break;
+			case -EPROBE_DEFER:
+				return ret;
+			default:
+				dev_err(hsotg->dev, "error getting usb phy %d\n",
+					ret);
+				return ret;
+			}
+		}
+	}
+
+	hsotg->plat = dev_get_platdata(hsotg->dev);
+
 	if (hsotg->phy) {
 		/*
 		 * If using the generic PHY framework, check if the PHY bus
@@ -229,11 +259,6 @@
 			hsotg->phyif = GUSBCFG_PHYIF8;
 	}
 
-	if (!hsotg->phy && !hsotg->uphy && !hsotg->plat) {
-		dev_err(hsotg->dev, "no platform data or transceiver defined\n");
-		return -EPROBE_DEFER;
-	}
-
 	/* Clock */
 	hsotg->clk = devm_clk_get(hsotg->dev, "otg");
 	if (IS_ERR(hsotg->clk)) {
@@ -342,20 +367,6 @@
 	if (retval)
 		return retval;
 
-	irq = platform_get_irq(dev, 0);
-	if (irq < 0) {
-		dev_err(&dev->dev, "missing IRQ resource\n");
-		return irq;
-	}
-
-	dev_dbg(hsotg->dev, "registering common handler for irq%d\n",
-		irq);
-	retval = devm_request_irq(hsotg->dev, irq,
-				  dwc2_handle_common_intr, IRQF_SHARED,
-				  dev_name(hsotg->dev), hsotg);
-	if (retval)
-		return retval;
-
 	res = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	hsotg->regs = devm_ioremap_resource(&dev->dev, res);
 	if (IS_ERR(hsotg->regs))
@@ -390,6 +401,20 @@
 
 	dwc2_set_all_params(hsotg->core_params, -1);
 
+	irq = platform_get_irq(dev, 0);
+	if (irq < 0) {
+		dev_err(&dev->dev, "missing IRQ resource\n");
+		return irq;
+	}
+
+	dev_dbg(hsotg->dev, "registering common handler for irq%d\n",
+		irq);
+	retval = devm_request_irq(hsotg->dev, irq,
+				  dwc2_handle_common_intr, IRQF_SHARED,
+				  dev_name(hsotg->dev), hsotg);
+	if (retval)
+		return retval;
+
 	retval = dwc2_lowlevel_hw_enable(hsotg);
 	if (retval)
 		return retval;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index e24a01c..a58376f 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1078,6 +1078,7 @@
 	 * little bit faster.
 	 */
 	if (!usb_endpoint_xfer_isoc(dep->endpoint.desc) &&
+			!usb_endpoint_xfer_int(dep->endpoint.desc) &&
 			!(dep->flags & DWC3_EP_BUSY)) {
 		ret = __dwc3_gadget_kick_transfer(dep, 0, true);
 		goto out;
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index adc6d52..cf43e9e 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -423,7 +423,7 @@
 	spin_unlock_irq(&ffs->ev.waitq.lock);
 	mutex_unlock(&ffs->mutex);
 
-	return unlikely(__copy_to_user(buf, events, size)) ? -EFAULT : size;
+	return unlikely(copy_to_user(buf, events, size)) ? -EFAULT : size;
 }
 
 static ssize_t ffs_ep0_read(struct file *file, char __user *buf,
@@ -513,7 +513,7 @@
 
 		/* unlocks spinlock */
 		ret = __ffs_ep0_queue_wait(ffs, data, len);
-		if (likely(ret > 0) && unlikely(__copy_to_user(buf, data, len)))
+		if (likely(ret > 0) && unlikely(copy_to_user(buf, data, len)))
 			ret = -EFAULT;
 		goto done_mutex;
 
@@ -3493,7 +3493,7 @@
 	if (unlikely(!data))
 		return ERR_PTR(-ENOMEM);
 
-	if (unlikely(__copy_from_user(data, buf, len))) {
+	if (unlikely(copy_from_user(data, buf, len))) {
 		kfree(data);
 		return ERR_PTR(-EFAULT);
 	}
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 42acb45..898a570 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -370,6 +370,7 @@
 		if (err) {
 			ERROR(midi, "%s queue req: %d\n",
 				    midi->out_ep->name, err);
+			free_ep_req(midi->out_ep, req);
 		}
 	}
 
@@ -545,7 +546,7 @@
 		}
 	}
 
-	if (req->length > 0) {
+	if (req->length > 0 && ep->enabled) {
 		int err;
 
 		err = usb_ep_queue(ep, req, GFP_ATOMIC);
diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c
index 289ebca..ad8c9b0 100644
--- a/drivers/usb/gadget/function/uvc_configfs.c
+++ b/drivers/usb/gadget/function/uvc_configfs.c
@@ -20,7 +20,7 @@
 #define UVC_ATTR(prefix, cname, aname) \
 static struct configfs_attribute prefix##attr_##cname = { \
 	.ca_name	= __stringify(aname),				\
-	.ca_mode	= S_IRUGO,					\
+	.ca_mode	= S_IRUGO | S_IWUGO,				\
 	.ca_owner	= THIS_MODULE,					\
 	.show		= prefix##cname##_show,				\
 	.store		= prefix##cname##_store,			\
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c
index 670ac0b..001a3b7 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.c
+++ b/drivers/usb/gadget/udc/pxa27x_udc.c
@@ -2536,6 +2536,9 @@
 	udc->pullup_resume = udc->pullup_on;
 	dplus_pullup(udc, 0);
 
+	if (udc->driver)
+		udc->driver->disconnect(&udc->gadget);
+
 	return 0;
 }
 
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 342ffd1..8c6e15b 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -473,6 +473,8 @@
 	if (!pdata)
 		return -ENOMEM;
 
+	pdev->dev.platform_data = pdata;
+
 	if (!of_property_read_u32(np, "num-ports", &ports))
 		pdata->ports = ports;
 
@@ -483,6 +485,7 @@
 		 */
 		if (i >= pdata->ports) {
 			pdata->vbus_pin[i] = -EINVAL;
+			pdata->overcurrent_pin[i] = -EINVAL;
 			continue;
 		}
 
@@ -513,10 +516,8 @@
 	}
 
 	at91_for_each_port(i) {
-		if (i >= pdata->ports) {
-			pdata->overcurrent_pin[i] = -EINVAL;
-			continue;
-		}
+		if (i >= pdata->ports)
+			break;
 
 		pdata->overcurrent_pin[i] =
 			of_get_named_gpio_flags(np, "atmel,oc-gpio", i, &flags);
@@ -552,8 +553,6 @@
 		}
 	}
 
-	pdev->dev.platform_data = pdata;
-
 	device_init_wakeup(&pdev->dev, 1);
 	return usb_hcd_at91_probe(&ohci_at91_hc_driver, pdev);
 }
diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c
index dc31c42..9f1c053 100644
--- a/drivers/usb/host/whci/qset.c
+++ b/drivers/usb/host/whci/qset.c
@@ -377,6 +377,10 @@
 	if (std->pl_virt == NULL)
 		return -ENOMEM;
 	std->dma_addr = dma_map_single(whc->wusbhc.dev, std->pl_virt, pl_len, DMA_TO_DEVICE);
+	if (dma_mapping_error(whc->wusbhc.dev, std->dma_addr)) {
+		kfree(std->pl_virt);
+		return -EFAULT;
+	}
 
 	for (p = 0; p < std->num_pointers; p++) {
 		std->pl_virt[p].buf_ptr = cpu_to_le64(dma_addr);
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 0230965..f980c23 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -733,8 +733,30 @@
 		if ((raw_port_status & PORT_RESET) ||
 				!(raw_port_status & PORT_PE))
 			return 0xffffffff;
-		if (time_after_eq(jiffies,
-					bus_state->resume_done[wIndex])) {
+		/* did port event handler already start resume timing? */
+		if (!bus_state->resume_done[wIndex]) {
+			/* If not, maybe we are in a host initated resume? */
+			if (test_bit(wIndex, &bus_state->resuming_ports)) {
+				/* Host initated resume doesn't time the resume
+				 * signalling using resume_done[].
+				 * It manually sets RESUME state, sleeps 20ms
+				 * and sets U0 state. This should probably be
+				 * changed, but not right now.
+				 */
+			} else {
+				/* port resume was discovered now and here,
+				 * start resume timing
+				 */
+				unsigned long timeout = jiffies +
+					msecs_to_jiffies(USB_RESUME_TIMEOUT);
+
+				set_bit(wIndex, &bus_state->resuming_ports);
+				bus_state->resume_done[wIndex] = timeout;
+				mod_timer(&hcd->rh_timer, timeout);
+			}
+		/* Has resume been signalled for USB_RESUME_TIME yet? */
+		} else if (time_after_eq(jiffies,
+					 bus_state->resume_done[wIndex])) {
 			int time_left;
 
 			xhci_dbg(xhci, "Resume USB2 port %d\n",
@@ -775,13 +797,26 @@
 		} else {
 			/*
 			 * The resume has been signaling for less than
-			 * 20ms. Report the port status as SUSPEND,
-			 * let the usbcore check port status again
-			 * and clear resume signaling later.
+			 * USB_RESUME_TIME. Report the port status as SUSPEND,
+			 * let the usbcore check port status again and clear
+			 * resume signaling later.
 			 */
 			status |= USB_PORT_STAT_SUSPEND;
 		}
 	}
+	/*
+	 * Clear stale usb2 resume signalling variables in case port changed
+	 * state during resume signalling. For example on error
+	 */
+	if ((bus_state->resume_done[wIndex] ||
+	     test_bit(wIndex, &bus_state->resuming_ports)) &&
+	    (raw_port_status & PORT_PLS_MASK) != XDEV_U3 &&
+	    (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME) {
+		bus_state->resume_done[wIndex] = 0;
+		clear_bit(wIndex, &bus_state->resuming_ports);
+	}
+
+
 	if ((raw_port_status & PORT_PLS_MASK) == XDEV_U0 &&
 	    (raw_port_status & PORT_POWER)) {
 		if (bus_state->suspended_ports & (1 << wIndex)) {
@@ -1115,6 +1150,7 @@
 				if ((temp & PORT_PE) == 0)
 					goto error;
 
+				set_bit(wIndex, &bus_state->resuming_ports);
 				xhci_set_link_state(xhci, port_array, wIndex,
 							XDEV_RESUME);
 				spin_unlock_irqrestore(&xhci->lock, flags);
@@ -1122,6 +1158,7 @@
 				spin_lock_irqsave(&xhci->lock, flags);
 				xhci_set_link_state(xhci, port_array, wIndex,
 							XDEV_U0);
+				clear_bit(wIndex, &bus_state->resuming_ports);
 			}
 			bus_state->port_c_suspend |= 1 << wIndex;
 
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 17f6897..c621090 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -188,10 +188,14 @@
 		0xb7, 0x0c, 0x34, 0xac,	0x01, 0xe9, 0xbf, 0x45,
 		0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23,
 	};
-	acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1, NULL);
+	union acpi_object *obj;
+
+	obj = acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1,
+				NULL);
+	ACPI_FREE(obj);
 }
 #else
-	static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { }
+static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { }
 #endif /* CONFIG_ACPI */
 
 /* called during probe() after chip reset completes */
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 6c5e813..eeaa6c6 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1583,7 +1583,8 @@
 			 */
 			bogus_port_status = true;
 			goto cleanup;
-		} else {
+		} else if (!test_bit(faked_port_index,
+				     &bus_state->resuming_ports)) {
 			xhci_dbg(xhci, "resume HS port %d\n", port_id);
 			bus_state->resume_done[faked_port_index] = jiffies +
 				msecs_to_jiffies(USB_RESUME_TIMEOUT);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index dfa44d3..3f91270 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4778,8 +4778,16 @@
 	ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG);
 	slot_ctx = xhci_get_slot_ctx(xhci, config_cmd->in_ctx);
 	slot_ctx->dev_info |= cpu_to_le32(DEV_HUB);
+	/*
+	 * refer to section 6.2.2: MTT should be 0 for full speed hub,
+	 * but it may be already set to 1 when setup an xHCI virtual
+	 * device, so clear it anyway.
+	 */
 	if (tt->multi)
 		slot_ctx->dev_info |= cpu_to_le32(DEV_MTT);
+	else if (hdev->speed == USB_SPEED_FULL)
+		slot_ctx->dev_info &= cpu_to_le32(~DEV_MTT);
+
 	if (xhci->hci_version > 0x95) {
 		xhci_dbg(xhci, "xHCI version %x needs hub "
 				"TT think time and number of ports\n",
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 1f2037b..45c83ba 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -159,7 +159,7 @@
 
 config USB_TI_CPPI41_DMA
 	bool 'TI CPPI 4.1 (AM335x)'
-	depends on ARCH_OMAP
+	depends on ARCH_OMAP && DMADEVICES
 	select TI_CPPI41
 
 config USB_TUSB_OMAP_DMA
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 18cfc0a..ee9ff70 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2017,7 +2017,6 @@
 	/* We need musb_read/write functions initialized for PM */
 	pm_runtime_use_autosuspend(musb->controller);
 	pm_runtime_set_autosuspend_delay(musb->controller, 200);
-	pm_runtime_irq_safe(musb->controller);
 	pm_runtime_enable(musb->controller);
 
 	/* The musb_platform_init() call:
@@ -2095,6 +2094,7 @@
 #ifndef CONFIG_MUSB_PIO_ONLY
 	if (!musb->ops->dma_init || !musb->ops->dma_exit) {
 		dev_err(dev, "DMA controller not set\n");
+		status = -ENODEV;
 		goto fail2;
 	}
 	musb_dma_controller_create = musb->ops->dma_init;
@@ -2218,6 +2218,12 @@
 
 	pm_runtime_put(musb->controller);
 
+	/*
+	 * For why this is currently needed, see commit 3e43a0725637
+	 * ("usb: musb: core: add pm_runtime_irq_safe()")
+	 */
+	pm_runtime_irq_safe(musb->controller);
+
 	return 0;
 
 fail5:
diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c
index 80eb991..0d19a6d 100644
--- a/drivers/usb/phy/phy-msm-usb.c
+++ b/drivers/usb/phy/phy-msm-usb.c
@@ -1506,7 +1506,6 @@
 {
 	struct msm_otg_platform_data *pdata;
 	struct extcon_dev *ext_id, *ext_vbus;
-	const struct of_device_id *id;
 	struct device_node *node = pdev->dev.of_node;
 	struct property *prop;
 	int len, ret, words;
@@ -1518,8 +1517,9 @@
 
 	motg->pdata = pdata;
 
-	id = of_match_device(msm_otg_dt_match, &pdev->dev);
-	pdata->phy_type = (enum msm_usb_phy_type) id->data;
+	pdata->phy_type = (enum msm_usb_phy_type)of_device_get_match_data(&pdev->dev);
+	if (!pdata->phy_type)
+		return 1;
 
 	motg->link_rst = devm_reset_control_get(&pdev->dev, "link");
 	if (IS_ERR(motg->link_rst))
diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
index b7536af..c2936dc 100644
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -143,12 +143,17 @@
 	.flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS,
 };
 
+static const struct mxs_phy_data imx6ul_phy_data = {
+	.flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS,
+};
+
 static const struct of_device_id mxs_phy_dt_ids[] = {
 	{ .compatible = "fsl,imx6sx-usbphy", .data = &imx6sx_phy_data, },
 	{ .compatible = "fsl,imx6sl-usbphy", .data = &imx6sl_phy_data, },
 	{ .compatible = "fsl,imx6q-usbphy", .data = &imx6q_phy_data, },
 	{ .compatible = "fsl,imx23-usbphy", .data = &imx23_phy_data, },
 	{ .compatible = "fsl,vf610-usbphy", .data = &vf610_phy_data, },
+	{ .compatible = "fsl,imx6ul-usbphy", .data = &imx6ul_phy_data, },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, mxs_phy_dt_ids);
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index de4f97d..8f7a78e 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -131,7 +131,8 @@
 	struct device *dev = usbhsg_gpriv_to_dev(gpriv);
 	struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
 
-	dev_dbg(dev, "pipe %d : queue pop\n", usbhs_pipe_number(pipe));
+	if (pipe)
+		dev_dbg(dev, "pipe %d : queue pop\n", usbhs_pipe_number(pipe));
 
 	ureq->req.status = status;
 	spin_unlock(usbhs_priv_to_lock(priv));
@@ -685,7 +686,13 @@
 	struct usbhsg_request *ureq = usbhsg_req_to_ureq(req);
 	struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep);
 
-	usbhs_pkt_pop(pipe, usbhsg_ureq_to_pkt(ureq));
+	if (pipe)
+		usbhs_pkt_pop(pipe, usbhsg_ureq_to_pkt(ureq));
+
+	/*
+	 * To dequeue a request, this driver should call the usbhsg_queue_pop()
+	 * even if the pipe is NULL.
+	 */
 	usbhsg_queue_pop(uep, ureq, -ECONNRESET);
 
 	return 0;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index eac7cca..7d4f51a 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -132,7 +132,6 @@
 	{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
-	{ USB_DEVICE(0x10C4, 0xEA80) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */
 	{ USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */
 	{ USB_DEVICE(0x10C4, 0xF002) }, /* Elan Digital Systems USBwave12 */
diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
index 3658662..a204782 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -53,6 +53,7 @@
 
 /* Infineon Flashloader driver */
 #define FLASHLOADER_IDS()		\
+	{ USB_DEVICE_INTERFACE_CLASS(0x058b, 0x0041, USB_CLASS_CDC_DATA) }, \
 	{ USB_DEVICE(0x8087, 0x0716) }
 DEVICE(flashloader, FLASHLOADER_IDS);
 
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index e691516..5c66d3f 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -796,6 +796,10 @@
 	if (devinfo->flags & US_FL_NO_REPORT_OPCODES)
 		sdev->no_report_opcodes = 1;
 
+	/* A few buggy USB-ATA bridges don't understand FUA */
+	if (devinfo->flags & US_FL_BROKEN_FUA)
+		sdev->broken_fua = 1;
+
 	scsi_change_queue_depth(sdev, devinfo->qdepth - 2);
 	return 0;
 }
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 6b24791..7ffe420 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1987,7 +1987,7 @@
 		US_FL_IGNORE_RESIDUE ),
 
 /* Reported by Michael Büsch <m@bues.ch> */
-UNUSUAL_DEV(  0x152d, 0x0567, 0x0114, 0x0114,
+UNUSUAL_DEV(  0x152d, 0x0567, 0x0114, 0x0116,
 		"JMicron",
 		"USB to ATA/ATAPI Bridge",
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index c85ea53..ccc113e 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -132,7 +132,7 @@
 		"JMicron",
 		"JMS567",
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
-		US_FL_NO_REPORT_OPCODES),
+		US_FL_BROKEN_FUA | US_FL_NO_REPORT_OPCODES),
 
 /* Reported-by: Hans de Goede <hdegoede@redhat.com> */
 UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,
diff --git a/fs/block_dev.c b/fs/block_dev.c
index c25639e..44d4a1e 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1523,11 +1523,14 @@
 		WARN_ON_ONCE(bdev->bd_holders);
 		sync_blockdev(bdev);
 		kill_bdev(bdev);
-		/*
-		 * ->release can cause the queue to disappear, so flush all
-		 * dirty data before.
-		 */
+
 		bdev_write_inode(bdev);
+		/*
+		 * Detaching bdev inode from its wb in __destroy_inode()
+		 * is too late: the queue which embeds its bdi (along with
+		 * root wb) can be gone as soon as we put_disk() below.
+		 */
+		inode_detach_wb(bdev->bd_inode);
 	}
 	if (bdev->bd_contains == bdev) {
 		if (disk->fops->release)
diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
index 73c64da..60f03b7 100644
--- a/fs/exofs/inode.c
+++ b/fs/exofs/inode.c
@@ -592,10 +592,7 @@
 			}
 			unlock_page(page);
 		}
-		if (PageDirty(page) || PageWriteback(page))
-			*uptodate = true;
-		else
-			*uptodate = PageUptodate(page);
+		*uptodate = PageUptodate(page);
 		EXOFS_DBGMSG2("index=0x%lx uptodate=%d\n", index, *uptodate);
 		return page;
 	} else {
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
index eae2c11..8e3ee19 100644
--- a/fs/fuse/cuse.c
+++ b/fs/fuse/cuse.c
@@ -549,6 +549,8 @@
 		unregister_chrdev_region(cc->cdev->dev, 1);
 		cdev_del(cc->cdev);
 	}
+	/* Base reference is now owned by "fud" */
+	fuse_conn_put(&cc->fc);
 
 	rc = fuse_dev_release(inode, file);	/* puts the base reference */
 
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index e0faf8f2..570ca40 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1049,6 +1049,7 @@
 		tmp = iov_iter_copy_from_user_atomic(page, ii, offset, bytes);
 		flush_dcache_page(page);
 
+		iov_iter_advance(ii, tmp);
 		if (!tmp) {
 			unlock_page(page);
 			page_cache_release(page);
@@ -1061,7 +1062,6 @@
 		req->page_descs[req->num_pages].length = tmp;
 		req->num_pages++;
 
-		iov_iter_advance(ii, tmp);
 		count += tmp;
 		pos += tmp;
 		offset += tmp;
diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c
index 5c0c6b5..9aebffb 100644
--- a/fs/nfs/objlayout/objio_osd.c
+++ b/fs/nfs/objlayout/objio_osd.c
@@ -476,10 +476,7 @@
 		}
 		unlock_page(page);
 	}
-	if (PageDirty(page) || PageWriteback(page))
-		*uptodate = true;
-	else
-		*uptodate = PageUptodate(page);
+	*uptodate = PageUptodate(page);
 	dprintk("%s: index=0x%lx uptodate=%d\n", __func__, index, *uptodate);
 	return page;
 }
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index a03f6f4..3123408 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -367,13 +367,11 @@
 		goto leave;
 	}
 
-	status = posix_acl_create(dir, &mode, &default_acl, &acl);
+	status = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl);
 	if (status) {
 		mlog_errno(status);
 		goto leave;
 	}
-	/* update inode->i_mode after mask with "umask". */
-	inode->i_mode = mode;
 
 	handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb,
 							    S_ISDIR(mode),
diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h
index d0a1f99..4894c68 100644
--- a/include/linux/kmemleak.h
+++ b/include/linux/kmemleak.h
@@ -25,7 +25,7 @@
 
 #ifdef CONFIG_DEBUG_KMEMLEAK
 
-extern void kmemleak_init(void) __ref;
+extern void kmemleak_init(void) __init;
 extern void kmemleak_alloc(const void *ptr, size_t size, int min_count,
 			   gfp_t gfp) __ref;
 extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size,
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index c6916ae..034117b 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -50,9 +50,16 @@
 	NVM_IO_DUAL_ACCESS	= 0x1,
 	NVM_IO_QUAD_ACCESS	= 0x2,
 
+	/* NAND Access Modes */
 	NVM_IO_SUSPEND		= 0x80,
 	NVM_IO_SLC_MODE		= 0x100,
 	NVM_IO_SCRAMBLE_DISABLE	= 0x200,
+
+	/* Block Types */
+	NVM_BLK_T_FREE		= 0x0,
+	NVM_BLK_T_BAD		= 0x1,
+	NVM_BLK_T_DEV		= 0x2,
+	NVM_BLK_T_HOST		= 0x4,
 };
 
 struct nvm_id_group {
@@ -176,17 +183,17 @@
 
 typedef int (nvm_l2p_update_fn)(u64, u32, __le64 *, void *);
 typedef int (nvm_bb_update_fn)(struct ppa_addr, int, u8 *, void *);
-typedef int (nvm_id_fn)(struct request_queue *, struct nvm_id *);
-typedef int (nvm_get_l2p_tbl_fn)(struct request_queue *, u64, u32,
+typedef int (nvm_id_fn)(struct nvm_dev *, struct nvm_id *);
+typedef int (nvm_get_l2p_tbl_fn)(struct nvm_dev *, u64, u32,
 				nvm_l2p_update_fn *, void *);
 typedef int (nvm_op_bb_tbl_fn)(struct nvm_dev *, struct ppa_addr, int,
 				nvm_bb_update_fn *, void *);
-typedef int (nvm_op_set_bb_fn)(struct request_queue *, struct nvm_rq *, int);
-typedef int (nvm_submit_io_fn)(struct request_queue *, struct nvm_rq *);
-typedef int (nvm_erase_blk_fn)(struct request_queue *, struct nvm_rq *);
-typedef void *(nvm_create_dma_pool_fn)(struct request_queue *, char *);
+typedef int (nvm_op_set_bb_fn)(struct nvm_dev *, struct nvm_rq *, int);
+typedef int (nvm_submit_io_fn)(struct nvm_dev *, struct nvm_rq *);
+typedef int (nvm_erase_blk_fn)(struct nvm_dev *, struct nvm_rq *);
+typedef void *(nvm_create_dma_pool_fn)(struct nvm_dev *, char *);
 typedef void (nvm_destroy_dma_pool_fn)(void *);
-typedef void *(nvm_dev_dma_alloc_fn)(struct request_queue *, void *, gfp_t,
+typedef void *(nvm_dev_dma_alloc_fn)(struct nvm_dev *, void *, gfp_t,
 								dma_addr_t *);
 typedef void (nvm_dev_dma_free_fn)(void *, void*, dma_addr_t);
 
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 7501626..d3133be 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -427,6 +427,17 @@
 };
 
 enum {
+	/*
+	 * Max wqe size for rdma read is 512 bytes, so this
+	 * limits our max_sge_rd as the wqe needs to fit:
+	 * - ctrl segment (16 bytes)
+	 * - rdma segment (16 bytes)
+	 * - scatter elements (16 bytes each)
+	 */
+	MLX4_MAX_SGE_RD	= (512 - 16 - 16) / 16
+};
+
+enum {
 	MLX4_DEV_PMC_SUBTYPE_GUID_INFO	 = 0x14,
 	MLX4_DEV_PMC_SUBTYPE_PORT_INFO	 = 0x15,
 	MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE	 = 0x16,
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index 0adedca..0e1b154 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -99,7 +99,7 @@
  * grabbing every spinlock (and more).  So the "read" side to such a
  * lock is anything which disables preemption.
  */
-#if defined(CONFIG_STOP_MACHINE) && defined(CONFIG_SMP)
+#if defined(CONFIG_SMP) || defined(CONFIG_HOTPLUG_CPU)
 
 /**
  * stop_machine: freeze the machine on all CPUs and run this function
@@ -118,7 +118,7 @@
 
 int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data,
 				   const struct cpumask *cpus);
-#else	 /* CONFIG_STOP_MACHINE && CONFIG_SMP */
+#else	/* CONFIG_SMP || CONFIG_HOTPLUG_CPU */
 
 static inline int stop_machine(cpu_stop_fn_t fn, void *data,
 				 const struct cpumask *cpus)
@@ -137,5 +137,5 @@
 	return stop_machine(fn, data, cpus);
 }
 
-#endif	/* CONFIG_STOP_MACHINE && CONFIG_SMP */
+#endif	/* CONFIG_SMP || CONFIG_HOTPLUG_CPU */
 #endif	/* _LINUX_STOP_MACHINE */
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index 9948c87..1d0043d 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -47,4 +47,7 @@
 /* device generates spurious wakeup, ignore remote wakeup capability */
 #define USB_QUIRK_IGNORE_REMOTE_WAKEUP		BIT(9)
 
+/* device can't handle Link Power Management */
+#define USB_QUIRK_NO_LPM			BIT(10)
+
 #endif /* __LINUX_USB_QUIRKS_H */
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index 188df91..ec9b44d 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -237,6 +237,8 @@
 	u8			data[IB_MGMT_VENDOR_DATA];
 };
 
+#define IB_MGMT_CLASSPORTINFO_ATTR_ID	cpu_to_be16(0x0001)
+
 struct ib_class_port_info {
 	u8			base_version;
 	u8			class_version;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 9a68a19..120da1d 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1271,6 +1271,7 @@
 	int			id;		/* index into kernel idr */
 	struct kref		ref;
 	struct rw_semaphore	mutex;		/* protects .live */
+	struct rcu_head		rcu;		/* kfree_rcu() overhead */
 	int			live;
 };
 
diff --git a/include/sound/hda_register.h b/include/sound/hda_register.h
index 2ae8812..94dc6a9 100644
--- a/include/sound/hda_register.h
+++ b/include/sound/hda_register.h
@@ -93,6 +93,9 @@
 #define AZX_REG_HSW_EM4			0x100c
 #define AZX_REG_HSW_EM5			0x1010
 
+/* Skylake/Broxton display HD-A controller Extended Mode registers */
+#define AZX_REG_SKL_EM4L		0x1040
+
 /* PCI space */
 #define AZX_PCIREG_TCSEL		0x44
 
diff --git a/init/Kconfig b/init/Kconfig
index c24b6f7..235c7a2 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -2030,13 +2030,6 @@
 	  it was better to provide this option than to break all the archs
 	  and have several arch maintainers pursuing me down dark alleys.
 
-config STOP_MACHINE
-	bool
-	default y
-	depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU
-	help
-	  Need stop_machine() primitive.
-
 source "block/Kconfig"
 
 config PREEMPT_NOTIFIERS
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 867bc20..a3bbaee 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -531,7 +531,7 @@
 }
 early_initcall(cpu_stop_init);
 
-#ifdef CONFIG_STOP_MACHINE
+#if defined(CONFIG_SMP) || defined(CONFIG_HOTPLUG_CPU)
 
 static int __stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus)
 {
@@ -631,4 +631,4 @@
 	return ret ?: done.ret;
 }
 
-#endif	/* CONFIG_STOP_MACHINE */
+#endif	/* CONFIG_SMP || CONFIG_HOTPLUG_CPU */
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 8ed2ffd..7340353 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -957,8 +957,9 @@
  * jiffies for either a BDI to exit congestion of the given @sync queue
  * or a write to complete.
  *
- * In the absence of zone congestion, cond_resched() is called to yield
- * the processor if necessary but otherwise does not sleep.
+ * In the absence of zone congestion, a short sleep or a cond_resched is
+ * performed to yield the processor and to allow other subsystems to make
+ * a forward progress.
  *
  * The return value is 0 if the sleep is for the full timeout. Otherwise,
  * it is the number of jiffies that were still remaining when the function
@@ -978,7 +979,19 @@
 	 */
 	if (atomic_read(&nr_wb_congested[sync]) == 0 ||
 	    !test_bit(ZONE_CONGESTED, &zone->flags)) {
-		cond_resched();
+
+		/*
+		 * Memory allocation/reclaim might be called from a WQ
+		 * context and the current implementation of the WQ
+		 * concurrency control doesn't recognize that a particular
+		 * WQ is congested if the worker thread is looping without
+		 * ever sleeping. Therefore we have to do a short sleep
+		 * here rather than calling cond_resched().
+		 */
+		if (current->flags & PF_WQ_WORKER)
+			schedule_timeout(1);
+		else
+			cond_resched();
 
 		/* In case we scheduled, work out time remaining */
 		ret = timeout - (jiffies - start);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 827bb02..ef6963b 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -372,8 +372,10 @@
 		spin_unlock(&resv->lock);
 
 		trg = kmalloc(sizeof(*trg), GFP_KERNEL);
-		if (!trg)
+		if (!trg) {
+			kfree(nrg);
 			return -ENOMEM;
+		}
 
 		spin_lock(&resv->lock);
 		list_add(&trg->link, &resv->region_cache);
@@ -483,8 +485,16 @@
 retry:
 	spin_lock(&resv->lock);
 	list_for_each_entry_safe(rg, trg, head, link) {
-		if (rg->to <= f)
+		/*
+		 * Skip regions before the range to be deleted.  file_region
+		 * ranges are normally of the form [from, to).  However, there
+		 * may be a "placeholder" entry in the map which is of the form
+		 * (from, to) with from == to.  Check for placeholder entries
+		 * at the beginning of the range to be deleted.
+		 */
+		if (rg->to <= f && (rg->to != rg->from || rg->to != f))
 			continue;
+
 		if (rg->from >= t)
 			break;
 
@@ -1886,7 +1896,10 @@
 		page = __alloc_buddy_huge_page_with_mpol(h, vma, addr);
 		if (!page)
 			goto out_uncharge_cgroup;
-
+		if (!avoid_reserve && vma_has_reserves(vma, gbl_chg)) {
+			SetPagePrivate(page);
+			h->resv_huge_pages--;
+		}
 		spin_lock(&hugetlb_lock);
 		list_move(&page->lru, &h->hugepage_activelist);
 		/* Fall through */
@@ -3693,12 +3706,12 @@
 		} else if (unlikely(is_hugetlb_entry_hwpoisoned(entry)))
 			return VM_FAULT_HWPOISON_LARGE |
 				VM_FAULT_SET_HINDEX(hstate_index(h));
+	} else {
+		ptep = huge_pte_alloc(mm, address, huge_page_size(h));
+		if (!ptep)
+			return VM_FAULT_OOM;
 	}
 
-	ptep = huge_pte_alloc(mm, address, huge_page_size(h));
-	if (!ptep)
-		return VM_FAULT_OOM;
-
 	mapping = vma->vm_file->f_mapping;
 	idx = vma_hugecache_offset(h, vma, address);
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c92a65b..e234c21 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2128,7 +2128,7 @@
 	 */
 	do {
 		if (page_counter_read(&memcg->memory) > memcg->high) {
-			current->memcg_nr_pages_over_high += nr_pages;
+			current->memcg_nr_pages_over_high += batch;
 			set_notify_resume(current);
 			break;
 		}
@@ -5512,11 +5512,11 @@
  * mem_cgroup_replace_page - migrate a charge to another page
  * @oldpage: currently charged page
  * @newpage: page to transfer the charge to
- * @lrucare: either or both pages might be on the LRU already
  *
  * Migrate the charge from @oldpage to @newpage.
  *
  * Both pages must be locked, @newpage->mapping must be set up.
+ * Either or both pages might be on the LRU already.
  */
 void mem_cgroup_replace_page(struct page *oldpage, struct page *newpage)
 {
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index d13a339..c126809 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -608,6 +608,8 @@
 			continue;
 		if (unlikely(p->flags & PF_KTHREAD))
 			continue;
+		if (is_global_init(p))
+			continue;
 		if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN)
 			continue;
 
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 17a3c66..9d666df 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3647,8 +3647,9 @@
 {
 	static const char types[MIGRATE_TYPES] = {
 		[MIGRATE_UNMOVABLE]	= 'U',
-		[MIGRATE_RECLAIMABLE]	= 'E',
 		[MIGRATE_MOVABLE]	= 'M',
+		[MIGRATE_RECLAIMABLE]	= 'E',
+		[MIGRATE_HIGHATOMIC]	= 'H',
 #ifdef CONFIG_CMA
 		[MIGRATE_CMA]		= 'C',
 #endif
diff --git a/mm/shmem.c b/mm/shmem.c
index 9187eee..2afcdbb 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -843,14 +843,14 @@
 		list_add_tail(&info->swaplist, &shmem_swaplist);
 
 	if (add_to_swap_cache(page, swap, GFP_ATOMIC) == 0) {
+		spin_lock(&info->lock);
+		shmem_recalc_inode(inode);
+		info->swapped++;
+		spin_unlock(&info->lock);
+
 		swap_shmem_alloc(swap);
 		shmem_delete_from_page_cache(page, swp_to_radix_entry(swap));
 
-		spin_lock(&info->lock);
-		info->swapped++;
-		shmem_recalc_inode(inode);
-		spin_unlock(&info->lock);
-
 		mutex_unlock(&shmem_swaplist_mutex);
 		BUG_ON(page_mapped(page));
 		swap_writepage(page, wbc);
@@ -1078,7 +1078,7 @@
 	if (sgp != SGP_WRITE && sgp != SGP_FALLOC &&
 	    ((loff_t)index << PAGE_CACHE_SHIFT) >= i_size_read(inode)) {
 		error = -EINVAL;
-		goto failed;
+		goto unlock;
 	}
 
 	if (page && sgp == SGP_WRITE)
@@ -1246,11 +1246,15 @@
 	/* Perhaps the file has been truncated since we checked */
 	if (sgp != SGP_WRITE && sgp != SGP_FALLOC &&
 	    ((loff_t)index << PAGE_CACHE_SHIFT) >= i_size_read(inode)) {
+		if (alloced) {
+			ClearPageDirty(page);
+			delete_from_page_cache(page);
+			spin_lock(&info->lock);
+			shmem_recalc_inode(inode);
+			spin_unlock(&info->lock);
+		}
 		error = -EINVAL;
-		if (alloced)
-			goto trunc;
-		else
-			goto failed;
+		goto unlock;
 	}
 	*pagep = page;
 	return 0;
@@ -1258,23 +1262,13 @@
 	/*
 	 * Error recovery.
 	 */
-trunc:
-	info = SHMEM_I(inode);
-	ClearPageDirty(page);
-	delete_from_page_cache(page);
-	spin_lock(&info->lock);
-	info->alloced--;
-	inode->i_blocks -= BLOCKS_PER_PAGE;
-	spin_unlock(&info->lock);
 decused:
-	sbinfo = SHMEM_SB(inode->i_sb);
 	if (sbinfo->max_blocks)
 		percpu_counter_add(&sbinfo->used_blocks, -1);
 unacct:
 	shmem_unacct_blocks(info->flags, 1);
 failed:
-	if (swap.val && error != -EINVAL &&
-	    !shmem_confirm_swap(mapping, index, swap))
+	if (swap.val && !shmem_confirm_swap(mapping, index, swap))
 		error = -EEXIST;
 unlock:
 	if (page) {
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 879a2be..0d5712b 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -921,8 +921,8 @@
 #ifdef CONFIG_PROC_FS
 static char * const migratetype_names[MIGRATE_TYPES] = {
 	"Unmovable",
-	"Reclaimable",
 	"Movable",
+	"Reclaimable",
 	"HighAtomic",
 #ifdef CONFIG_CMA
 	"CMA",
@@ -1379,6 +1379,7 @@
 #endif /* CONFIG_PROC_FS */
 
 #ifdef CONFIG_SMP
+static struct workqueue_struct *vmstat_wq;
 static DEFINE_PER_CPU(struct delayed_work, vmstat_work);
 int sysctl_stat_interval __read_mostly = HZ;
 static cpumask_var_t cpu_stat_off;
@@ -1391,7 +1392,7 @@
 		 * to occur in the future. Keep on running the
 		 * update worker thread.
 		 */
-		schedule_delayed_work_on(smp_processor_id(),
+		queue_delayed_work_on(smp_processor_id(), vmstat_wq,
 			this_cpu_ptr(&vmstat_work),
 			round_jiffies_relative(sysctl_stat_interval));
 	} else {
@@ -1460,7 +1461,7 @@
 		if (need_update(cpu) &&
 			cpumask_test_and_clear_cpu(cpu, cpu_stat_off))
 
-			schedule_delayed_work_on(cpu,
+			queue_delayed_work_on(cpu, vmstat_wq,
 				&per_cpu(vmstat_work, cpu), 0);
 
 	put_online_cpus();
@@ -1549,6 +1550,7 @@
 
 	start_shepherd_timer();
 	cpu_notifier_register_done();
+	vmstat_wq = alloc_workqueue("vmstat", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0);
 #endif
 #ifdef CONFIG_PROC_FS
 	proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 963f824..bff5c8b 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -355,6 +355,8 @@
 					((pci)->device == 0x0d0c) || \
 					((pci)->device == 0x160c))
 
+#define IS_BROXTON(pci)	((pci)->device == 0x5a98)
+
 static char *driver_short_names[] = {
 	[AZX_DRIVER_ICH] = "HDA Intel",
 	[AZX_DRIVER_PCH] = "HDA Intel PCH",
@@ -506,15 +508,36 @@
         }
 }
 
+/*
+ * In BXT-P A0, HD-Audio DMA requests is later than expected,
+ * and makes an audio stream sensitive to system latencies when
+ * 24/32 bits are playing.
+ * Adjusting threshold of DMA fifo to force the DMA request
+ * sooner to improve latency tolerance at the expense of power.
+ */
+static void bxt_reduce_dma_latency(struct azx *chip)
+{
+	u32 val;
+
+	val = azx_readl(chip, SKL_EM4L);
+	val &= (0x3 << 20);
+	azx_writel(chip, SKL_EM4L, val);
+}
+
 static void hda_intel_init_chip(struct azx *chip, bool full_reset)
 {
 	struct hdac_bus *bus = azx_bus(chip);
+	struct pci_dev *pci = chip->pci;
 
 	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
 		snd_hdac_set_codec_wakeup(bus, true);
 	azx_init_chip(chip, full_reset);
 	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
 		snd_hdac_set_codec_wakeup(bus, false);
+
+	/* reduce dma latency to avoid noise */
+	if (IS_BROXTON(pci))
+		bxt_reduce_dma_latency(chip);
 }
 
 /* calculate runtime delay from LPIB */
diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index f8a12ca4..4ef2259 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -778,7 +778,8 @@
 };
 
 static const struct snd_pci_quirk ca0132_quirks[] = {
-	SND_PCI_QUIRK(0x1028, 0x0685, "Alienware 15", QUIRK_ALIENWARE),
+	SND_PCI_QUIRK(0x1028, 0x0685, "Alienware 15 2015", QUIRK_ALIENWARE),
+	SND_PCI_QUIRK(0x1028, 0x0688, "Alienware 17 2015", QUIRK_ALIENWARE),
 	{}
 };
 
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9bedf7c..8dd2ac1 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4204,6 +4204,18 @@
 	}
 }
 
+/* additional fixup for Thinkpad T440s noise problem */
+static void alc_fixup_tpt440(struct hda_codec *codec,
+				  const struct hda_fixup *fix, int action)
+{
+	struct alc_spec *spec = codec->spec;
+
+	if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+		spec->shutup = alc_no_shutup; /* reduce click noise */
+		spec->gen.mixer_nid = 0; /* reduce background noise */
+	}
+}
+
 static void alc_shutup_dell_xps13(struct hda_codec *codec)
 {
 	struct alc_spec *spec = codec->spec;
@@ -4578,6 +4590,7 @@
 	ALC255_FIXUP_HEADSET_MODE_NO_HP_MIC,
 	ALC293_FIXUP_DELL1_MIC_NO_PRESENCE,
 	ALC292_FIXUP_TPT440_DOCK,
+	ALC292_FIXUP_TPT440,
 	ALC283_FIXUP_BXBT2807_MIC,
 	ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED,
 	ALC282_FIXUP_ASPIRE_V5_PINS,
@@ -4596,6 +4609,7 @@
 	ALC298_FIXUP_DELL1_MIC_NO_PRESENCE,
 	ALC275_FIXUP_DELL_XPS,
 	ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE,
+	ALC293_FIXUP_LENOVO_SPK_NOISE,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -5050,6 +5064,12 @@
 		.chained = true,
 		.chain_id = ALC269_FIXUP_LIMIT_INT_MIC_BOOST
 	},
+	[ALC292_FIXUP_TPT440] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc_fixup_tpt440,
+		.chained = true,
+		.chain_id = ALC292_FIXUP_TPT440_DOCK,
+	},
 	[ALC283_FIXUP_BXBT2807_MIC] = {
 		.type = HDA_FIXUP_PINS,
 		.v.pins = (const struct hda_pintbl[]) {
@@ -5187,6 +5207,12 @@
 		.chained = true,
 		.chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
 	},
+	[ALC293_FIXUP_LENOVO_SPK_NOISE] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc_fixup_disable_aamix,
+		.chained = true,
+		.chain_id = ALC269_FIXUP_THINKPAD_ACPI
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -5325,7 +5351,7 @@
 	SND_PCI_QUIRK(0x17aa, 0x21fb, "Thinkpad T430s", ALC269_FIXUP_LENOVO_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x2203, "Thinkpad X230 Tablet", ALC269_FIXUP_LENOVO_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x2208, "Thinkpad T431s", ALC269_FIXUP_LENOVO_DOCK),
-	SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad T440s", ALC292_FIXUP_TPT440_DOCK),
+	SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad T440s", ALC292_FIXUP_TPT440),
 	SND_PCI_QUIRK(0x17aa, 0x220e, "Thinkpad T440p", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x2210, "Thinkpad T540p", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x2211, "Thinkpad W541", ALC292_FIXUP_TPT440_DOCK),
@@ -5334,6 +5360,7 @@
 	SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
 	SND_PCI_QUIRK(0x17aa, 0x2223, "ThinkPad T550", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x2226, "ThinkPad X250", ALC292_FIXUP_TPT440_DOCK),
+	SND_PCI_QUIRK(0x17aa, 0x2233, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE),
 	SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
 	SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP),
 	SND_PCI_QUIRK(0x17aa, 0x5013, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
@@ -5343,6 +5370,7 @@
 	SND_PCI_QUIRK(0x17aa, 0x5034, "Thinkpad T450", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x5036, "Thinkpad T450s", ALC292_FIXUP_TPT440_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x503c, "Thinkpad L450", ALC292_FIXUP_TPT440_DOCK),
+	SND_PCI_QUIRK(0x17aa, 0x504b, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE),
 	SND_PCI_QUIRK(0x17aa, 0x5109, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
 	SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K),
 	SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD),
@@ -5423,6 +5451,7 @@
 	{.id = ALC283_FIXUP_CHROME_BOOK, .name = "alc283-dac-wcaps"},
 	{.id = ALC283_FIXUP_SENSE_COMBO_JACK, .name = "alc283-sense-combo"},
 	{.id = ALC292_FIXUP_TPT440_DOCK, .name = "tpt440-dock"},
+	{.id = ALC292_FIXUP_TPT440, .name = "tpt440"},
 	{}
 };
 
@@ -6409,6 +6438,7 @@
 static const struct snd_pci_quirk alc662_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1019, 0x9087, "ECS", ALC662_FIXUP_ASUS_MODE2),
 	SND_PCI_QUIRK(0x1025, 0x022f, "Acer Aspire One", ALC662_FIXUP_INV_DMIC),
+	SND_PCI_QUIRK(0x1025, 0x0241, "Packard Bell DOTS", ALC662_FIXUP_INV_DMIC),
 	SND_PCI_QUIRK(0x1025, 0x0308, "Acer Aspire 8942G", ALC662_FIXUP_ASPIRE),
 	SND_PCI_QUIRK(0x1025, 0x031c, "Gateway NV79", ALC662_FIXUP_SKU_IGNORE),
 	SND_PCI_QUIRK(0x1025, 0x0349, "eMachines eM250", ALC662_FIXUP_INV_DMIC),
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
index 714df90..41c31db 100644
--- a/sound/pci/rme96.c
+++ b/sound/pci/rme96.c
@@ -741,10 +741,11 @@
 	{
 		/* change to/from double-speed: reset the DAC (if available) */
 		snd_rme96_reset_dac(rme96);
+		return 1; /* need to restore volume */
 	} else {
 		writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER);
+		return 0;
 	}
-	return 0;
 }
 
 static int
@@ -980,6 +981,7 @@
 	struct rme96 *rme96 = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	int err, rate, dummy;
+	bool apply_dac_volume = false;
 
 	runtime->dma_area = (void __force *)(rme96->iobase +
 					     RME96_IO_PLAY_BUFFER);
@@ -993,24 +995,26 @@
 	{
                 /* slave clock */
                 if ((int)params_rate(params) != rate) {
-			spin_unlock_irq(&rme96->lock);
-			return -EIO;                    
-                }
-	} else if ((err = snd_rme96_playback_setrate(rme96, params_rate(params))) < 0) {
-		spin_unlock_irq(&rme96->lock);
-		return err;
+			err = -EIO;
+			goto error;
+		}
+	} else {
+		err = snd_rme96_playback_setrate(rme96, params_rate(params));
+		if (err < 0)
+			goto error;
+		apply_dac_volume = err > 0; /* need to restore volume later? */
 	}
-	if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0) {
-		spin_unlock_irq(&rme96->lock);
-		return err;
-	}
+
+	err = snd_rme96_playback_setformat(rme96, params_format(params));
+	if (err < 0)
+		goto error;
 	snd_rme96_setframelog(rme96, params_channels(params), 1);
 	if (rme96->capture_periodsize != 0) {
 		if (params_period_size(params) << rme96->playback_frlog !=
 		    rme96->capture_periodsize)
 		{
-			spin_unlock_irq(&rme96->lock);
-			return -EBUSY;
+			err = -EBUSY;
+			goto error;
 		}
 	}
 	rme96->playback_periodsize =
@@ -1021,9 +1025,16 @@
 		rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP);
 		writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER);
 	}
+
+	err = 0;
+ error:
 	spin_unlock_irq(&rme96->lock);
-		
-	return 0;
+	if (apply_dac_volume) {
+		usleep_range(3000, 10000);
+		snd_rme96_apply_dac_volume(rme96);
+	}
+
+	return err;
 }
 
 static int