diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
index 0815eac5b185..e12f3448846a 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -35,6 +35,8 @@ Optional properties:
 			LTSSM during USB3 Compliance mode.
  - snps,dis_u3_susphy_quirk: when set core will disable USB3 suspend phy.
  - snps,dis_u2_susphy_quirk: when set core will disable USB2 suspend phy.
+ - snps,dis_enblslpm_quirk: when set clears the enblslpm in GUSB2PHYCFG,
+			disabling the suspend signal to the PHY.
  - snps,is-utmi-l1-suspend: true when DWC3 asserts output signal
 			utmi_l1_suspend_n, false when asserts utmi_sleep_n
  - snps,hird-threshold: HIRD threshold
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index d411ca63c8b6..3a9d65c912e7 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -140,7 +140,8 @@ Table 1-1: Process specific entries in /proc
  stat		Process status
  statm		Process memory status information
  status		Process status in human readable form
- wchan		If CONFIG_KALLSYMS is set, a pre-decoded wchan
+ wchan		Present with CONFIG_KALLSYMS=y: it shows the kernel function
+		symbol the task is blocked in - or "0" if not blocked.
  pagemap	Page table
  stack		Report full stack trace, enable via CONFIG_STACKTRACE
  smaps		a extension based on maps, showing the memory consumption of
@@ -310,7 +311,7 @@ Table 1-4: Contents of the stat files (as of 2.6.30-rc7)
   blocked       bitmap of blocked signals
   sigign        bitmap of ignored signals
   sigcatch      bitmap of caught signals
-  wchan         address where process went to sleep
+  0		(place holder, used to be the wchan address, use /proc/PID/wchan instead)
   0             (place holder)
   0             (place holder)
   exit_signal   signal to send to parent thread on exit
diff --git a/Makefile b/Makefile
index d5b37391195f..1a4953b3e10f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 3
-SUBLEVEL = 0
+SUBLEVEL = 2
 EXTRAVERSION =
 NAME = Blurry Fish Butt
 
diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
index 540a0adf2be6..35b39d2255d3 100644
--- a/arch/arm/boot/dts/exynos3250-monk.dts
+++ b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -161,6 +161,7 @@
 };
 
 &exynos_usbphy {
+	vbus-supply = <&safeout_reg>;
 	status = "okay";
 };
 
diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
index 41a5fafb9aa9..23623cd3ebd9 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -153,6 +153,7 @@
 
 &exynos_usbphy {
 	status = "okay";
+	vbus-supply = <&safeout_reg>;
 };
 
 &hsotg {
diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index ba34886f8b65..01d38f2145b9 100644
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -251,6 +251,7 @@
 
 &exynos_usbphy {
 	status = "okay";
+	vbus-supply = <&safe1_sreg>;
 };
 
 &fimd {
@@ -448,7 +449,6 @@
 
 			safe1_sreg: ESAFEOUT1 {
 			     regulator-name = "SAFEOUT1";
-			     regulator-always-on;
 			};
 
 			safe2_sreg: ESAFEOUT2 {
diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
index eb379526e234..2c04297825fe 100644
--- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
@@ -248,6 +248,7 @@
 
 &exynos_usbphy {
 	status = "okay";
+	vbus-supply = <&safeout1_reg>;
 };
 
 &fimd {
@@ -486,7 +487,6 @@
 
 			safeout1_reg: ESAFEOUT1 {
 				regulator-name = "SAFEOUT1";
-				regulator-always-on;
 			};
 
 			safeout2_reg: ESAFEOUT2 {
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 2a1ebb76ebe0..50a5e8a85283 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -391,6 +391,7 @@
 };
 
 &exynos_usbphy {
+	vbus-supply = <&esafeout1_reg>;
 	status = "okay";
 };
 
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index feb9d34b239c..f818ea483aeb 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -486,7 +486,10 @@
 				compatible = "fsl,imx27-usb";
 				reg = <0x10024000 0x200>;
 				interrupts = <56>;
-				clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+				clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+					<&clks IMX27_CLK_USB_AHB_GATE>,
+					<&clks IMX27_CLK_USB_DIV>;
+				clock-names = "ipg", "ahb", "per";
 				fsl,usbmisc = <&usbmisc 0>;
 				status = "disabled";
 			};
@@ -495,7 +498,10 @@
 				compatible = "fsl,imx27-usb";
 				reg = <0x10024200 0x200>;
 				interrupts = <54>;
-				clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+				clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+					<&clks IMX27_CLK_USB_AHB_GATE>,
+					<&clks IMX27_CLK_USB_DIV>;
+				clock-names = "ipg", "ahb", "per";
 				fsl,usbmisc = <&usbmisc 1>;
 				dr_mode = "host";
 				status = "disabled";
@@ -505,7 +511,10 @@
 				compatible = "fsl,imx27-usb";
 				reg = <0x10024400 0x200>;
 				interrupts = <55>;
-				clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+				clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+					<&clks IMX27_CLK_USB_AHB_GATE>,
+					<&clks IMX27_CLK_USB_DIV>;
+				clock-names = "ipg", "ahb", "per";
 				fsl,usbmisc = <&usbmisc 2>;
 				dr_mode = "host";
 				status = "disabled";
@@ -515,7 +524,6 @@
 				#index-cells = <1>;
 				compatible = "fsl,imx27-usbmisc";
 				reg = <0x10024600 0x200>;
-				clocks = <&clks IMX27_CLK_USB_AHB_GATE>;
 			};
 
 			sahara2: sahara@10025000 {
diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts
index 3cb030f9d2c4..c85761212d90 100644
--- a/arch/arm/boot/dts/omap5-uevm.dts
+++ b/arch/arm/boot/dts/omap5-uevm.dts
@@ -31,6 +31,24 @@
 		regulator-max-microvolt = <3000000>;
 	};
 
+	mmc3_pwrseq: sdhci0_pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		clocks = <&clk32kgaudio>;
+		clock-names = "ext_clock";
+	};
+
+	vmmcsdio_fixed: fixedregulator-mmcsdio {
+		compatible = "regulator-fixed";
+		regulator-name = "vmmcsdio_fixed";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		gpio = <&gpio5 12 GPIO_ACTIVE_HIGH>;	/* gpio140 WLAN_EN */
+		enable-active-high;
+		startup-delay-us = <70000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&wlan_pins>;
+	};
+
 	/* HS USB Host PHY on PORT 2 */
 	hsusb2_phy: hsusb2_phy {
 		compatible = "usb-nop-xceiv";
@@ -197,12 +215,20 @@
 		>;
 	};
 
-	mcspi4_pins: pinmux_mcspi4_pins {
+	mmc3_pins: pinmux_mmc3_pins {
+		pinctrl-single,pins = <
+			OMAP5_IOPAD(0x01a4, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_clk */
+			OMAP5_IOPAD(0x01a6, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_cmd */
+			OMAP5_IOPAD(0x01a8, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data0 */
+			OMAP5_IOPAD(0x01aa, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data1 */
+			OMAP5_IOPAD(0x01ac, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data2 */
+			OMAP5_IOPAD(0x01ae, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data3 */
+		>;
+	};
+
+	wlan_pins: pinmux_wlan_pins {
 		pinctrl-single,pins = <
-			0x164 (PIN_INPUT | MUX_MODE1)		/*  mcspi4_clk */
-			0x168 (PIN_INPUT | MUX_MODE1)		/*  mcspi4_simo */
-			0x16a (PIN_INPUT | MUX_MODE1)		/*  mcspi4_somi */
-			0x16c (PIN_INPUT | MUX_MODE1)		/*  mcspi4_cs0 */
+			OMAP5_IOPAD(0x1bc, PIN_OUTPUT | MUX_MODE6) /* mcspi1_clk.gpio5_140 */
 		>;
 	};
 
@@ -276,6 +302,12 @@
 			0x1A (PIN_OUTPUT | MUX_MODE0) /* fref_clk1_out, USB hub clk */
 		>;
 	};
+
+	wlcore_irq_pin: pinmux_wlcore_irq_pin {
+		pinctrl-single,pins = <
+			OMAP5_IOPAD(0x040, WAKEUP_EN | PIN_INPUT_PULLUP | MUX_MODE6)	/* llia_wakereqin.gpio1_wk14 */
+		>;
+	};
 };
 
 &mmc1 {
@@ -290,8 +322,25 @@
 };
 
 &mmc3 {
+	vmmc-supply = <&vmmcsdio_fixed>;
+	mmc-pwrseq = <&mmc3_pwrseq>;
 	bus-width = <4>;
-	ti,non-removable;
+	non-removable;
+	cap-power-off-card;
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc3_pins &wlcore_irq_pin>;
+	interrupts-extended = <&gic GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH
+			       &omap5_pmx_core 0x168>;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+	wlcore: wlcore@2 {
+		compatible = "ti,wl1271";
+		reg = <2>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <14 IRQ_TYPE_LEVEL_HIGH>;	/* gpio 14 */
+		ref-clock-frequency = <26000000>;
+	};
 };
 
 &mmc4 {
@@ -598,11 +647,6 @@
 	pinctrl-0 = <&mcspi3_pins>;
 };
 
-&mcspi4 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&mcspi4_pins>;
-};
-
 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart1_pins>;
diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi
index 8d1de29e8da1..fb92481e60d4 100644
--- a/arch/arm/boot/dts/sama5d4.dtsi
+++ b/arch/arm/boot/dts/sama5d4.dtsi
@@ -939,11 +939,11 @@
 				reg = <0xf8018000 0x4000>;
 				interrupts = <33 IRQ_TYPE_LEVEL_HIGH 6>;
 				dmas = <&dma1
-					(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1))
-					AT91_XDMAC_DT_PERID(4)>,
+					(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+					| AT91_XDMAC_DT_PERID(4))>,
 				       <&dma1
-					(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1))
-					AT91_XDMAC_DT_PERID(5)>;
+					(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+					| AT91_XDMAC_DT_PERID(5))>;
 				dma-names = "tx", "rx";
 				pinctrl-names = "default";
 				pinctrl-0 = <&pinctrl_i2c1>;
diff --git a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
index d0cfadac0691..18f26ca4e375 100644
--- a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
+++ b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
@@ -184,18 +184,18 @@
 				regulator-name = "vcc-3v0";
 			};
 
-			vdd_cpu: dcdc2 {
+			vdd_gpu: dcdc2 {
 				regulator-always-on;
 				regulator-min-microvolt = <700000>;
 				regulator-max-microvolt = <1320000>;
-				regulator-name = "vdd-cpu";
+				regulator-name = "vdd-gpu";
 			};
 
-			vdd_gpu: dcdc3 {
+			vdd_cpu: dcdc3 {
 				regulator-always-on;
 				regulator-min-microvolt = <700000>;
 				regulator-max-microvolt = <1320000>;
-				regulator-name = "vdd-gpu";
+				regulator-name = "vdd-cpu";
 			};
 
 			vdd_sys_dll: dcdc4 {
diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c
index 873dbfcc7dc9..56fc339571f9 100644
--- a/arch/arm/common/edma.c
+++ b/arch/arm/common/edma.c
@@ -406,7 +406,8 @@ static irqreturn_t dma_irq_handler(int irq, void *data)
 					BIT(slot));
 			if (edma_cc[ctlr]->intr_data[channel].callback)
 				edma_cc[ctlr]->intr_data[channel].callback(
-					channel, EDMA_DMA_COMPLETE,
+					EDMA_CTLR_CHAN(ctlr, channel),
+					EDMA_DMA_COMPLETE,
 					edma_cc[ctlr]->intr_data[channel].data);
 		}
 	} while (sh_ipr);
@@ -460,7 +461,8 @@ static irqreturn_t dma_ccerr_handler(int irq, void *data)
 					if (edma_cc[ctlr]->intr_data[k].
 								callback) {
 						edma_cc[ctlr]->intr_data[k].
-						callback(k,
+						callback(
+						EDMA_CTLR_CHAN(ctlr, k),
 						EDMA_DMA_CC_ERROR,
 						edma_cc[ctlr]->intr_data
 						[k].data);
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index be1d07d59ee9..1bd9510de1b9 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -40,6 +40,11 @@ extern void arch_trigger_all_cpu_backtrace(bool);
 #define arch_trigger_all_cpu_backtrace(x) arch_trigger_all_cpu_backtrace(x)
 #endif
 
+static inline int nr_legacy_irqs(void)
+{
+	return NR_IRQS_LEGACY;
+}
+
 #endif
 
 #endif
diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S
index 0d95f488b47a..a25defda3d22 100644
--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -80,6 +80,8 @@ tmp2	.req	r5
  *	@r2: base address of second SDRAM Controller or 0 if not present
  *	@r3: pm information
  */
+/* at91_pm_suspend_in_sram must be 8-byte aligned per the requirements of fncpy() */
+	.align 3
 ENTRY(at91_pm_suspend_in_sram)
 	/* Save registers on stack */
 	stmfd	sp!, {r4 - r12, lr}
diff --git a/arch/arm/mach-pxa/include/mach/pxa27x.h b/arch/arm/mach-pxa/include/mach/pxa27x.h
index 599b925a657c..1a4291936c58 100644
--- a/arch/arm/mach-pxa/include/mach/pxa27x.h
+++ b/arch/arm/mach-pxa/include/mach/pxa27x.h
@@ -19,7 +19,7 @@
 #define ARB_CORE_PARK		(1<<24)	   /* Be parked with core when idle */
 #define ARB_LOCK_FLAG		(1<<23)	   /* Only Locking masters gain access to the bus */
 
-extern int __init pxa27x_set_pwrmode(unsigned int mode);
+extern int pxa27x_set_pwrmode(unsigned int mode);
 extern void pxa27x_cpu_pm_enter(suspend_state_t state);
 
 #endif /* __MACH_PXA27x_H */
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 221260d5d109..ffc424028557 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -84,7 +84,7 @@ EXPORT_SYMBOL_GPL(pxa27x_configure_ac97reset);
  */
 static unsigned int pwrmode = PWRMODE_SLEEP;
 
-int __init pxa27x_set_pwrmode(unsigned int mode)
+int pxa27x_set_pwrmode(unsigned int mode)
 {
 	switch (mode) {
 	case PWRMODE_SLEEP:
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index fbe74c6806f3..49d1110cff53 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -39,8 +39,8 @@ static struct platform_device wifi_rfkill_device = {
 static struct gpiod_lookup_table wifi_gpio_lookup = {
 	.dev_id = "rfkill_gpio",
 	.table = {
-		GPIO_LOOKUP_IDX("tegra-gpio", 25, NULL, 0, 0),
-		GPIO_LOOKUP_IDX("tegra-gpio", 85, NULL, 1, 0),
+		GPIO_LOOKUP("tegra-gpio", 25, "reset", 0),
+		GPIO_LOOKUP("tegra-gpio", 85, "shutdown", 0),
 		{ },
 	},
 };
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 1a7815e5421b..ad4eb2d26e16 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1407,12 +1407,19 @@ static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
 	unsigned long uaddr = vma->vm_start;
 	unsigned long usize = vma->vm_end - vma->vm_start;
 	struct page **pages = __iommu_get_pages(cpu_addr, attrs);
+	unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
+	unsigned long off = vma->vm_pgoff;
 
 	vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot);
 
 	if (!pages)
 		return -ENXIO;
 
+	if (off >= nr_pages || (usize >> PAGE_SHIFT) > nr_pages - off)
+		return -ENXIO;
+
+	pages += off;
+
 	do {
 		int ret = vm_insert_page(vma, uaddr, *pages++);
 		if (ret) {
diff --git a/arch/arm/vdso/vdsomunge.c b/arch/arm/vdso/vdsomunge.c
index 0cebd98cd88c..f6455273b2f8 100644
--- a/arch/arm/vdso/vdsomunge.c
+++ b/arch/arm/vdso/vdsomunge.c
@@ -66,7 +66,7 @@
 	((((x) & 0x000000ff) << 24) | \
 	 (((x) & 0x0000ff00) <<  8) | \
 	 (((x) & 0x00ff0000) >>  8) | \
-	 (((x) & 0xff000000) << 24))
+	 (((x) & 0xff000000) >> 24))
 
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
 #define HOST_ORDER ELFDATA2LSB
diff --git a/arch/arm64/include/asm/irq.h b/arch/arm64/include/asm/irq.h
index bbb251b14746..8b9bf54105b3 100644
--- a/arch/arm64/include/asm/irq.h
+++ b/arch/arm64/include/asm/irq.h
@@ -21,4 +21,9 @@ static inline void acpi_irq_init(void)
 }
 #define acpi_irq_init acpi_irq_init
 
+static inline int nr_legacy_irqs(void)
+{
+	return 0;
+}
+
 #endif
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index 536274ed292e..e9e5467e0bf4 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -83,14 +83,14 @@
 #define compat_sp	regs[13]
 #define compat_lr	regs[14]
 #define compat_sp_hyp	regs[15]
-#define compat_sp_irq	regs[16]
-#define compat_lr_irq	regs[17]
-#define compat_sp_svc	regs[18]
-#define compat_lr_svc	regs[19]
-#define compat_sp_abt	regs[20]
-#define compat_lr_abt	regs[21]
-#define compat_sp_und	regs[22]
-#define compat_lr_und	regs[23]
+#define compat_lr_irq	regs[16]
+#define compat_sp_irq	regs[17]
+#define compat_lr_svc	regs[18]
+#define compat_sp_svc	regs[19]
+#define compat_lr_abt	regs[20]
+#define compat_sp_abt	regs[21]
+#define compat_lr_und	regs[22]
+#define compat_sp_und	regs[23]
 #define compat_r8_fiq	regs[24]
 #define compat_r9_fiq	regs[25]
 #define compat_r10_fiq	regs[26]
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 98073332e2d0..4d77757b5894 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -60,9 +60,12 @@ PECOFF_FILE_ALIGNMENT = 0x200;
 #define PECOFF_EDATA_PADDING
 #endif
 
-#ifdef CONFIG_DEBUG_ALIGN_RODATA
+#if defined(CONFIG_DEBUG_ALIGN_RODATA)
 #define ALIGN_DEBUG_RO			. = ALIGN(1<<SECTION_SHIFT);
 #define ALIGN_DEBUG_RO_MIN(min)		ALIGN_DEBUG_RO
+#elif defined(CONFIG_DEBUG_RODATA)
+#define ALIGN_DEBUG_RO			. = ALIGN(1<<PAGE_SHIFT);
+#define ALIGN_DEBUG_RO_MIN(min)		ALIGN_DEBUG_RO
 #else
 #define ALIGN_DEBUG_RO
 #define ALIGN_DEBUG_RO_MIN(min)		. = ALIGN(min);
diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index 1ba21204ebe0..9a0013703579 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -216,9 +216,9 @@ void __init plat_mem_setup(void)
 					   AR71XX_RESET_SIZE);
 	ath79_pll_base = ioremap_nocache(AR71XX_PLL_BASE,
 					 AR71XX_PLL_SIZE);
+	ath79_detect_sys_type();
 	ath79_ddr_ctrl_init();
 
-	ath79_detect_sys_type();
 	if (mips_machtype != ATH79_MACH_GENERIC_OF)
 		detect_memory_region(0, ATH79_MEM_SIZE_MIN, ATH79_MEM_SIZE_MAX);
 
diff --git a/arch/mips/include/asm/cdmm.h b/arch/mips/include/asm/cdmm.h
index bece2064cc8c..c06dbf8ba937 100644
--- a/arch/mips/include/asm/cdmm.h
+++ b/arch/mips/include/asm/cdmm.h
@@ -84,6 +84,17 @@ void mips_cdmm_driver_unregister(struct mips_cdmm_driver *);
 	module_driver(__mips_cdmm_driver, mips_cdmm_driver_register, \
 			mips_cdmm_driver_unregister)
 
+/*
+ * builtin_mips_cdmm_driver() - Helper macro for drivers that don't do anything
+ * special in init and have no exit. This eliminates some boilerplate. Each
+ * driver may only use this macro once, and calling it replaces device_initcall
+ * (or in some cases, the legacy __initcall). This is meant to be a direct
+ * parallel of module_mips_cdmm_driver() above but without the __exit stuff that
+ * is not used for builtin cases.
+ */
+#define builtin_mips_cdmm_driver(__mips_cdmm_driver) \
+	builtin_driver(__mips_cdmm_driver, mips_cdmm_driver_register)
+
 /* drivers/tty/mips_ejtag_fdc.c */
 
 #ifdef CONFIG_MIPS_EJTAG_FDC_EARLYCON
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index d5fa3eaf39a1..41b1b090f56f 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -1581,7 +1581,7 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc,
 
 	base = (inst >> 21) & 0x1f;
 	op_inst = (inst >> 16) & 0x1f;
-	offset = inst & 0xffff;
+	offset = (int16_t)inst;
 	cache = (inst >> 16) & 0x3;
 	op = (inst >> 18) & 0x7;
 
diff --git a/arch/mips/kvm/locore.S b/arch/mips/kvm/locore.S
index c567240386a0..d1ee95a7f7dd 100644
--- a/arch/mips/kvm/locore.S
+++ b/arch/mips/kvm/locore.S
@@ -165,9 +165,11 @@ FEXPORT(__kvm_mips_vcpu_run)
 
 FEXPORT(__kvm_mips_load_asid)
 	/* Set the ASID for the Guest Kernel */
-	INT_SLL	t0, t0, 1	/* with kseg0 @ 0x40000000, kernel */
-			        /* addresses shift to 0x80000000 */
-	bltz	t0, 1f		/* If kernel */
+	PTR_L	t0, VCPU_COP0(k1)
+	LONG_L	t0, COP0_STATUS(t0)
+	andi	t0, KSU_USER | ST0_ERL | ST0_EXL
+	xori	t0, KSU_USER
+	bnez	t0, 1f		/* If kernel */
 	 INT_ADDIU t1, k1, VCPU_GUEST_KERNEL_ASID  /* (BD)  */
 	INT_ADDIU t1, k1, VCPU_GUEST_USER_ASID    /* else user */
 1:
@@ -482,9 +484,11 @@ __kvm_mips_return_to_guest:
 	mtc0	t0, CP0_EPC
 
 	/* Set the ASID for the Guest Kernel */
-	INT_SLL	t0, t0, 1	/* with kseg0 @ 0x40000000, kernel */
-				/* addresses shift to 0x80000000 */
-	bltz	t0, 1f		/* If kernel */
+	PTR_L	t0, VCPU_COP0(k1)
+	LONG_L	t0, COP0_STATUS(t0)
+	andi	t0, KSU_USER | ST0_ERL | ST0_EXL
+	xori	t0, KSU_USER
+	bnez	t0, 1f		/* If kernel */
 	 INT_ADDIU t1, k1, VCPU_GUEST_KERNEL_ASID  /* (BD)  */
 	INT_ADDIU t1, k1, VCPU_GUEST_USER_ASID    /* else user */
 1:
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 49ff3bfc007e..b9b803facdbf 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -279,7 +279,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 
 	if (!gebase) {
 		err = -ENOMEM;
-		goto out_free_cpu;
+		goto out_uninit_cpu;
 	}
 	kvm_debug("Allocated %d bytes for KVM Exception Handlers @ %p\n",
 		  ALIGN(size, PAGE_SIZE), gebase);
@@ -343,6 +343,9 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 out_free_gebase:
 	kfree(gebase);
 
+out_uninit_cpu:
+	kvm_vcpu_uninit(vcpu);
+
 out_free_cpu:
 	kfree(vcpu);
 
diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c
index 3fc2e6d70c77..a0706fd4ce0a 100644
--- a/arch/mips/lantiq/clk.c
+++ b/arch/mips/lantiq/clk.c
@@ -99,6 +99,23 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
 }
 EXPORT_SYMBOL(clk_set_rate);
 
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+	if (unlikely(!clk_good(clk)))
+		return 0;
+	if (clk->rates && *clk->rates) {
+		unsigned long *r = clk->rates;
+
+		while (*r && (*r != rate))
+			r++;
+		if (!*r) {
+			return clk->rate;
+		}
+	}
+	return rate;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
 int clk_enable(struct clk *clk)
 {
 	if (unlikely(!clk_good(clk)))
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 8b1c8e33f184..d319f36f7d1d 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -244,7 +244,7 @@ static unsigned long __peek_user(struct task_struct *child, addr_t addr)
 			       ((addr_t) child->thread.fpu.vxrs + 2*offset);
 		else
 			tmp = *(addr_t *)
-			       ((addr_t) &child->thread.fpu.fprs + offset);
+			       ((addr_t) child->thread.fpu.fprs + offset);
 
 	} else if (addr < (addr_t) (&dummy->regs.per_info + 1)) {
 		/*
@@ -388,7 +388,7 @@ static int __poke_user(struct task_struct *child, addr_t addr, addr_t data)
 				child->thread.fpu.vxrs + 2*offset) = data;
 		else
 			*(addr_t *)((addr_t)
-				&child->thread.fpu.fprs + offset) = data;
+				child->thread.fpu.fprs + offset) = data;
 
 	} else if (addr < (addr_t) (&dummy->regs.per_info + 1)) {
 		/*
@@ -622,7 +622,7 @@ static u32 __peek_user_compat(struct task_struct *child, addr_t addr)
 			       ((addr_t) child->thread.fpu.vxrs + 2*offset);
 		else
 			tmp = *(__u32 *)
-			       ((addr_t) &child->thread.fpu.fprs + offset);
+			       ((addr_t) child->thread.fpu.fprs + offset);
 
 	} else if (addr < (addr_t) (&dummy32->regs.per_info + 1)) {
 		/*
@@ -747,7 +747,7 @@ static int __poke_user_compat(struct task_struct *child,
 				child->thread.fpu.vxrs + 2*offset) = tmp;
 		else
 			*(__u32 *)((addr_t)
-				&child->thread.fpu.fprs + offset) = tmp;
+				child->thread.fpu.fprs + offset) = tmp;
 
 	} else if (addr < (addr_t) (&dummy32->regs.per_info + 1)) {
 		/*
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 5c2c169395c3..08de785c9e63 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -1057,8 +1057,7 @@ static int __inject_extcall(struct kvm_vcpu *vcpu, struct kvm_s390_irq *irq)
 				   src_id, 0);
 
 	/* sending vcpu invalid */
-	if (src_id >= KVM_MAX_VCPUS ||
-	    kvm_get_vcpu(vcpu->kvm, src_id) == NULL)
+	if (kvm_get_vcpu_by_id(vcpu->kvm, src_id) == NULL)
 		return -EINVAL;
 
 	if (sclp.has_sigpif)
@@ -1137,6 +1136,10 @@ static int __inject_sigp_emergency(struct kvm_vcpu *vcpu,
 	trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY,
 				   irq->u.emerg.code, 0);
 
+	/* sending vcpu invalid */
+	if (kvm_get_vcpu_by_id(vcpu->kvm, irq->u.emerg.code) == NULL)
+		return -EINVAL;
+
 	set_bit(irq->u.emerg.code, li->sigp_emerg_pending);
 	set_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs);
 	atomic_or(CPUSTAT_EXT_INT, li->cpuflags);
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 0a67c40eece9..1290af83417a 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -342,12 +342,16 @@ static int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap)
 		r = 0;
 		break;
 	case KVM_CAP_S390_VECTOR_REGISTERS:
-		if (MACHINE_HAS_VX) {
+		mutex_lock(&kvm->lock);
+		if (atomic_read(&kvm->online_vcpus)) {
+			r = -EBUSY;
+		} else if (MACHINE_HAS_VX) {
 			set_kvm_facility(kvm->arch.model.fac->mask, 129);
 			set_kvm_facility(kvm->arch.model.fac->list, 129);
 			r = 0;
 		} else
 			r = -EINVAL;
+		mutex_unlock(&kvm->lock);
 		VM_EVENT(kvm, 3, "ENABLE: CAP_S390_VECTOR_REGISTERS %s",
 			 r ? "(not available)" : "(success)");
 		break;
@@ -1120,7 +1124,9 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
 	if (!kvm->arch.sca)
 		goto out_err;
 	spin_lock(&kvm_lock);
-	sca_offset = (sca_offset + 16) & 0x7f0;
+	sca_offset += 16;
+	if (sca_offset + sizeof(struct sca_block) > PAGE_SIZE)
+		sca_offset = 0;
 	kvm->arch.sca = (struct sca_block *) ((char *) kvm->arch.sca + sca_offset);
 	spin_unlock(&kvm_lock);
 
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index da690b69f9fe..77c22d685c7a 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -291,12 +291,8 @@ static int handle_sigp_dst(struct kvm_vcpu *vcpu, u8 order_code,
 			   u16 cpu_addr, u32 parameter, u64 *status_reg)
 {
 	int rc;
-	struct kvm_vcpu *dst_vcpu;
+	struct kvm_vcpu *dst_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, cpu_addr);
 
-	if (cpu_addr >= KVM_MAX_VCPUS)
-		return SIGP_CC_NOT_OPERATIONAL;
-
-	dst_vcpu = kvm_get_vcpu(vcpu->kvm, cpu_addr);
 	if (!dst_vcpu)
 		return SIGP_CC_NOT_OPERATIONAL;
 
@@ -478,7 +474,7 @@ int kvm_s390_handle_sigp_pei(struct kvm_vcpu *vcpu)
 	trace_kvm_s390_handle_sigp_pei(vcpu, order_code, cpu_addr);
 
 	if (order_code == SIGP_EXTERNAL_CALL) {
-		dest_vcpu = kvm_get_vcpu(vcpu->kvm, cpu_addr);
+		dest_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, cpu_addr);
 		BUG_ON(dest_vcpu == NULL);
 
 		kvm_s390_vcpu_wakeup(dest_vcpu);
diff --git a/arch/s390/pci/pci_insn.c b/arch/s390/pci/pci_insn.c
index dcc2634ccbe2..10ca15dcab11 100644
--- a/arch/s390/pci/pci_insn.c
+++ b/arch/s390/pci/pci_insn.c
@@ -16,11 +16,11 @@
 static inline void zpci_err_insn(u8 cc, u8 status, u64 req, u64 offset)
 {
 	struct {
-		u8 cc;
-		u8 status;
 		u64 req;
 		u64 offset;
-	} data = {cc, status, req, offset};
+		u8 cc;
+		u8 status;
+	} __packed data = {req, offset, cc, status};
 
 	zpci_err_hex(&data, sizeof(data));
 }
diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h
index ccffa53750a8..39bcefc20de7 100644
--- a/arch/x86/include/asm/i8259.h
+++ b/arch/x86/include/asm/i8259.h
@@ -60,6 +60,7 @@ struct legacy_pic {
 	void (*mask_all)(void);
 	void (*restore_mask)(void);
 	void (*init)(int auto_eoi);
+	int (*probe)(void);
 	int (*irq_pending)(unsigned int irq);
 	void (*make_irq)(unsigned int irq);
 };
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index e16466ec473c..e9cd7befcb76 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -112,6 +112,16 @@ struct x86_emulate_ops {
 			struct x86_exception *fault);
 
 	/*
+	 * read_phys: Read bytes of standard (non-emulated/special) memory.
+	 *            Used for descriptor reading.
+	 *  @addr:  [IN ] Physical address from which to read.
+	 *  @val:   [OUT] Value read from memory.
+	 *  @bytes: [IN ] Number of bytes to read from memory.
+	 */
+	int (*read_phys)(struct x86_emulate_ctxt *ctxt, unsigned long addr,
+			void *val, unsigned int bytes);
+
+	/*
 	 * write_std: Write bytes of standard (non-emulated/special) memory.
 	 *            Used for descriptor writing.
 	 *  @addr:  [IN ] Linear address to which to write.
diff --git a/arch/x86/include/uapi/asm/svm.h b/arch/x86/include/uapi/asm/svm.h
index b5d7640abc5d..8a4add8e4639 100644
--- a/arch/x86/include/uapi/asm/svm.h
+++ b/arch/x86/include/uapi/asm/svm.h
@@ -100,6 +100,7 @@
 	{ SVM_EXIT_EXCP_BASE + UD_VECTOR,       "UD excp" }, \
 	{ SVM_EXIT_EXCP_BASE + PF_VECTOR,       "PF excp" }, \
 	{ SVM_EXIT_EXCP_BASE + NM_VECTOR,       "NM excp" }, \
+	{ SVM_EXIT_EXCP_BASE + AC_VECTOR,       "AC excp" }, \
 	{ SVM_EXIT_EXCP_BASE + MC_VECTOR,       "MC excp" }, \
 	{ SVM_EXIT_INTR,        "interrupt" }, \
 	{ SVM_EXIT_NMI,         "nmi" }, \
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 836d11b92811..861bc59c8f25 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -361,7 +361,11 @@ int __init arch_probe_nr_irqs(void)
 	if (nr < nr_irqs)
 		nr_irqs = nr;
 
-	return nr_legacy_irqs();
+	/*
+	 * We don't know if PIC is present at this point so we need to do
+	 * probe() to get the right number of legacy IRQs.
+	 */
+	return legacy_pic->probe();
 }
 
 #ifdef	CONFIG_X86_IO_APIC
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index de22ea7ff82f..1a292573ddf7 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -273,10 +273,9 @@ __setup("nosmap", setup_disable_smap);
 
 static __always_inline void setup_smap(struct cpuinfo_x86 *c)
 {
-	unsigned long eflags;
+	unsigned long eflags = native_save_fl();
 
 	/* This should have been cleared long ago */
-	raw_local_save_flags(eflags);
 	BUG_ON(eflags & X86_EFLAGS_AC);
 
 	if (cpu_has(c, X86_FEATURE_SMAP)) {
diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c
index 50ec9af1bd51..6545e6ddbfb1 100644
--- a/arch/x86/kernel/fpu/signal.c
+++ b/arch/x86/kernel/fpu/signal.c
@@ -385,20 +385,19 @@ fpu__alloc_mathframe(unsigned long sp, int ia32_frame,
  */
 void fpu__init_prepare_fx_sw_frame(void)
 {
-	int fsave_header_size = sizeof(struct fregs_state);
 	int size = xstate_size + FP_XSTATE_MAGIC2_SIZE;
 
-	if (config_enabled(CONFIG_X86_32))
-		size += fsave_header_size;
-
 	fx_sw_reserved.magic1 = FP_XSTATE_MAGIC1;
 	fx_sw_reserved.extended_size = size;
 	fx_sw_reserved.xfeatures = xfeatures_mask;
 	fx_sw_reserved.xstate_size = xstate_size;
 
-	if (config_enabled(CONFIG_IA32_EMULATION)) {
+	if (config_enabled(CONFIG_IA32_EMULATION) ||
+	    config_enabled(CONFIG_X86_32)) {
+		int fsave_header_size = sizeof(struct fregs_state);
+
 		fx_sw_reserved_ia32 = fx_sw_reserved;
-		fx_sw_reserved_ia32.extended_size += fsave_header_size;
+		fx_sw_reserved_ia32.extended_size = size + fsave_header_size;
 	}
 }
 
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 62fc001c7846..2c4ac072a702 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -402,7 +402,6 @@ void *get_xsave_addr(struct xregs_state *xsave, int xstate_feature)
 	if (!boot_cpu_has(X86_FEATURE_XSAVE))
 		return NULL;
 
-	xsave = &current->thread.fpu.state.xsave;
 	/*
 	 * We should not ever be requesting features that we
 	 * have not enabled.  Remember that pcntxt_mask is
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 1d40ca8a73f2..ffdc0e860390 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -65,6 +65,9 @@ startup_64:
 	 * tables and then reload them.
 	 */
 
+	/* Sanitize CPU configuration */
+	call verify_cpu
+
 	/*
 	 * Compute the delta between the address I am compiled to run at and the
 	 * address I am actually running at.
@@ -174,6 +177,9 @@ ENTRY(secondary_startup_64)
 	 * after the boot processor executes this code.
 	 */
 
+	/* Sanitize CPU configuration */
+	call verify_cpu
+
 	movq	$(init_level4_pgt - __START_KERNEL_map), %rax
 1:
 
@@ -288,6 +294,8 @@ ENTRY(secondary_startup_64)
 	pushq	%rax		# target address in negative space
 	lretq
 
+#include "verify_cpu.S"
+
 #ifdef CONFIG_HOTPLUG_CPU
 /*
  * Boot CPU0 entry point. It's called from play_dead(). Everything has been set
diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
index 16cb827a5b27..be22f5a2192e 100644
--- a/arch/x86/kernel/i8259.c
+++ b/arch/x86/kernel/i8259.c
@@ -295,16 +295,11 @@ static void unmask_8259A(void)
 	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 }
 
-static void init_8259A(int auto_eoi)
+static int probe_8259A(void)
 {
 	unsigned long flags;
 	unsigned char probe_val = ~(1 << PIC_CASCADE_IR);
 	unsigned char new_val;
-
-	i8259A_auto_eoi = auto_eoi;
-
-	raw_spin_lock_irqsave(&i8259A_lock, flags);
-
 	/*
 	 * Check to see if we have a PIC.
 	 * Mask all except the cascade and read
@@ -312,16 +307,28 @@ static void init_8259A(int auto_eoi)
 	 * have a PIC, we will read 0xff as opposed to the
 	 * value we wrote.
 	 */
+	raw_spin_lock_irqsave(&i8259A_lock, flags);
+
 	outb(0xff, PIC_SLAVE_IMR);	/* mask all of 8259A-2 */
 	outb(probe_val, PIC_MASTER_IMR);
 	new_val = inb(PIC_MASTER_IMR);
 	if (new_val != probe_val) {
 		printk(KERN_INFO "Using NULL legacy PIC\n");
 		legacy_pic = &null_legacy_pic;
-		raw_spin_unlock_irqrestore(&i8259A_lock, flags);
-		return;
 	}
 
+	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
+	return nr_legacy_irqs();
+}
+
+static void init_8259A(int auto_eoi)
+{
+	unsigned long flags;
+
+	i8259A_auto_eoi = auto_eoi;
+
+	raw_spin_lock_irqsave(&i8259A_lock, flags);
+
 	outb(0xff, PIC_MASTER_IMR);	/* mask all of 8259A-1 */
 
 	/*
@@ -379,6 +386,10 @@ static int legacy_pic_irq_pending_noop(unsigned int irq)
 {
 	return 0;
 }
+static int legacy_pic_probe(void)
+{
+	return 0;
+}
 
 struct legacy_pic null_legacy_pic = {
 	.nr_legacy_irqs = 0,
@@ -388,6 +399,7 @@ struct legacy_pic null_legacy_pic = {
 	.mask_all = legacy_pic_noop,
 	.restore_mask = legacy_pic_noop,
 	.init = legacy_pic_int_noop,
+	.probe = legacy_pic_probe,
 	.irq_pending = legacy_pic_irq_pending_noop,
 	.make_irq = legacy_pic_uint_noop,
 };
@@ -400,6 +412,7 @@ struct legacy_pic default_legacy_pic = {
 	.mask_all = mask_8259A,
 	.restore_mask = unmask_8259A,
 	.init = init_8259A,
+	.probe = probe_8259A,
 	.irq_pending = i8259A_irq_pending,
 	.make_irq = make_8259A_irq,
 };
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index a3cccbfc5f77..37c8ea8e75ff 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1180,7 +1180,7 @@ void __init setup_arch(char **cmdline_p)
 	 */
 	clone_pgd_range(initial_page_table,
 			swapper_pg_dir     + KERNEL_PGD_BOUNDARY,
-			KERNEL_PGD_PTRS);
+			min(KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY));
 #endif
 
 	tboot_probe();
diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S
index b9242bacbe59..4cf401f581e7 100644
--- a/arch/x86/kernel/verify_cpu.S
+++ b/arch/x86/kernel/verify_cpu.S
@@ -34,10 +34,11 @@
 #include <asm/msr-index.h>
 
 verify_cpu:
-	pushfl				# Save caller passed flags
-	pushl	$0			# Kill any dangerous flags
-	popfl
+	pushf				# Save caller passed flags
+	push	$0			# Kill any dangerous flags
+	popf
 
+#ifndef __x86_64__
 	pushfl				# standard way to check for cpuid
 	popl	%eax
 	movl	%eax,%ebx
@@ -48,6 +49,7 @@ verify_cpu:
 	popl	%eax
 	cmpl	%eax,%ebx
 	jz	verify_cpu_no_longmode	# cpu has no cpuid
+#endif
 
 	movl	$0x0,%eax		# See if cpuid 1 is implemented
 	cpuid
@@ -130,10 +132,10 @@ verify_cpu_sse_test:
 	jmp	verify_cpu_sse_test	# try again
 
 verify_cpu_no_longmode:
-	popfl				# Restore caller passed flags
+	popf				# Restore caller passed flags
 	movl $1,%eax
 	ret
 verify_cpu_sse_ok:
-	popfl				# Restore caller passed flags
+	popf				# Restore caller passed flags
 	xorl %eax, %eax
 	ret
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 9da95b9daf8d..1505587d06e9 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2272,8 +2272,8 @@ static int emulator_has_longmode(struct x86_emulate_ctxt *ctxt)
 #define GET_SMSTATE(type, smbase, offset)				  \
 	({								  \
 	 type __val;							  \
-	 int r = ctxt->ops->read_std(ctxt, smbase + offset, &__val,       \
-				     sizeof(__val), NULL);		  \
+	 int r = ctxt->ops->read_phys(ctxt, smbase + offset, &__val,      \
+				      sizeof(__val));			  \
 	 if (r != X86EMUL_CONTINUE)					  \
 		 return X86EMUL_UNHANDLEABLE;				  \
 	 __val;								  \
@@ -2484,17 +2484,36 @@ static int em_rsm(struct x86_emulate_ctxt *ctxt)
 
 	/*
 	 * Get back to real mode, to prepare a safe state in which to load
-	 * CR0/CR3/CR4/EFER.  Also this will ensure that addresses passed
-	 * to read_std/write_std are not virtual.
-	 *
-	 * CR4.PCIDE must be zero, because it is a 64-bit mode only feature.
+	 * CR0/CR3/CR4/EFER.  It's all a bit more complicated if the vCPU
+	 * supports long mode.
 	 */
+	cr4 = ctxt->ops->get_cr(ctxt, 4);
+	if (emulator_has_longmode(ctxt)) {
+		struct desc_struct cs_desc;
+
+		/* Zero CR4.PCIDE before CR0.PG.  */
+		if (cr4 & X86_CR4_PCIDE) {
+			ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PCIDE);
+			cr4 &= ~X86_CR4_PCIDE;
+		}
+
+		/* A 32-bit code segment is required to clear EFER.LMA.  */
+		memset(&cs_desc, 0, sizeof(cs_desc));
+		cs_desc.type = 0xb;
+		cs_desc.s = cs_desc.g = cs_desc.p = 1;
+		ctxt->ops->set_segment(ctxt, 0, &cs_desc, 0, VCPU_SREG_CS);
+	}
+
+	/* For the 64-bit case, this will clear EFER.LMA.  */
 	cr0 = ctxt->ops->get_cr(ctxt, 0);
 	if (cr0 & X86_CR0_PE)
 		ctxt->ops->set_cr(ctxt, 0, cr0 & ~(X86_CR0_PG | X86_CR0_PE));
-	cr4 = ctxt->ops->get_cr(ctxt, 4);
+
+	/* Now clear CR4.PAE (which must be done before clearing EFER.LME).  */
 	if (cr4 & X86_CR4_PAE)
 		ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PAE);
+
+	/* And finally go back to 32-bit mode.  */
 	efer = 0;
 	ctxt->ops->set_msr(ctxt, MSR_EFER, efer);
 
@@ -4455,7 +4474,7 @@ static const struct opcode twobyte_table[256] = {
 	F(DstMem | SrcReg | Src2CL | ModRM, em_shld), N, N,
 	/* 0xA8 - 0xAF */
 	I(Stack | Src2GS, em_push_sreg), I(Stack | Src2GS, em_pop_sreg),
-	II(No64 | EmulateOnUD | ImplicitOps, em_rsm, rsm),
+	II(EmulateOnUD | ImplicitOps, em_rsm, rsm),
 	F(DstMem | SrcReg | ModRM | BitOp | Lock | PageTable, em_bts),
 	F(DstMem | SrcReg | Src2ImmByte | ModRM, em_shrd),
 	F(DstMem | SrcReg | Src2CL | ModRM, em_shrd),
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 8d9013c5e1ee..ae4483a3e1a7 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -348,6 +348,8 @@ void kvm_apic_update_irr(struct kvm_vcpu *vcpu, u32 *pir)
 	struct kvm_lapic *apic = vcpu->arch.apic;
 
 	__kvm_apic_update_irr(pir, apic->regs);
+
+	kvm_make_request(KVM_REQ_EVENT, vcpu);
 }
 EXPORT_SYMBOL_GPL(kvm_apic_update_irr);
 
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 2f9ed1ff0632..d7f89387ba0c 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1086,7 +1086,7 @@ static u64 svm_compute_tsc_offset(struct kvm_vcpu *vcpu, u64 target_tsc)
 	return target_tsc - tsc;
 }
 
-static void init_vmcb(struct vcpu_svm *svm, bool init_event)
+static void init_vmcb(struct vcpu_svm *svm)
 {
 	struct vmcb_control_area *control = &svm->vmcb->control;
 	struct vmcb_save_area *save = &svm->vmcb->save;
@@ -1107,6 +1107,7 @@ static void init_vmcb(struct vcpu_svm *svm, bool init_event)
 	set_exception_intercept(svm, PF_VECTOR);
 	set_exception_intercept(svm, UD_VECTOR);
 	set_exception_intercept(svm, MC_VECTOR);
+	set_exception_intercept(svm, AC_VECTOR);
 
 	set_intercept(svm, INTERCEPT_INTR);
 	set_intercept(svm, INTERCEPT_NMI);
@@ -1157,8 +1158,7 @@ static void init_vmcb(struct vcpu_svm *svm, bool init_event)
 	init_sys_seg(&save->ldtr, SEG_TYPE_LDT);
 	init_sys_seg(&save->tr, SEG_TYPE_BUSY_TSS16);
 
-	if (!init_event)
-		svm_set_efer(&svm->vcpu, 0);
+	svm_set_efer(&svm->vcpu, 0);
 	save->dr6 = 0xffff0ff0;
 	kvm_set_rflags(&svm->vcpu, 2);
 	save->rip = 0x0000fff0;
@@ -1212,7 +1212,7 @@ static void svm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
 		if (kvm_vcpu_is_reset_bsp(&svm->vcpu))
 			svm->vcpu.arch.apic_base |= MSR_IA32_APICBASE_BSP;
 	}
-	init_vmcb(svm, init_event);
+	init_vmcb(svm);
 
 	kvm_cpuid(vcpu, &eax, &dummy, &dummy, &dummy);
 	kvm_register_write(vcpu, VCPU_REGS_RDX, eax);
@@ -1268,7 +1268,7 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)
 	clear_page(svm->vmcb);
 	svm->vmcb_pa = page_to_pfn(page) << PAGE_SHIFT;
 	svm->asid_generation = 0;
-	init_vmcb(svm, false);
+	init_vmcb(svm);
 
 	svm_init_osvw(&svm->vcpu);
 
@@ -1796,6 +1796,12 @@ static int ud_interception(struct vcpu_svm *svm)
 	return 1;
 }
 
+static int ac_interception(struct vcpu_svm *svm)
+{
+	kvm_queue_exception_e(&svm->vcpu, AC_VECTOR, 0);
+	return 1;
+}
+
 static void svm_fpu_activate(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
@@ -1890,7 +1896,7 @@ static int shutdown_interception(struct vcpu_svm *svm)
 	 * so reinitialize it.
 	 */
 	clear_page(svm->vmcb);
-	init_vmcb(svm, false);
+	init_vmcb(svm);
 
 	kvm_run->exit_reason = KVM_EXIT_SHUTDOWN;
 	return 0;
@@ -3371,6 +3377,7 @@ static int (*const svm_exit_handlers[])(struct vcpu_svm *svm) = {
 	[SVM_EXIT_EXCP_BASE + PF_VECTOR]	= pf_interception,
 	[SVM_EXIT_EXCP_BASE + NM_VECTOR]	= nm_interception,
 	[SVM_EXIT_EXCP_BASE + MC_VECTOR]	= mc_interception,
+	[SVM_EXIT_EXCP_BASE + AC_VECTOR]	= ac_interception,
 	[SVM_EXIT_INTR]				= intr_interception,
 	[SVM_EXIT_NMI]				= nmi_interception,
 	[SVM_EXIT_SMI]				= nop_on_interception,
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 6a8bc64566ab..343d3692dd65 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1567,7 +1567,7 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu)
 	u32 eb;
 
 	eb = (1u << PF_VECTOR) | (1u << UD_VECTOR) | (1u << MC_VECTOR) |
-	     (1u << NM_VECTOR) | (1u << DB_VECTOR);
+	     (1u << NM_VECTOR) | (1u << DB_VECTOR) | (1u << AC_VECTOR);
 	if ((vcpu->guest_debug &
 	     (KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP)) ==
 	    (KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP))
@@ -4771,8 +4771,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
 	vmx_set_cr0(vcpu, cr0); /* enter rmode */
 	vmx->vcpu.arch.cr0 = cr0;
 	vmx_set_cr4(vcpu, 0);
-	if (!init_event)
-		vmx_set_efer(vcpu, 0);
+	vmx_set_efer(vcpu, 0);
 	vmx_fpu_activate(vcpu);
 	update_exception_bitmap(vcpu);
 
@@ -5104,6 +5103,9 @@ static int handle_exception(struct kvm_vcpu *vcpu)
 		return handle_rmode_exception(vcpu, ex_no, error_code);
 
 	switch (ex_no) {
+	case AC_VECTOR:
+		kvm_queue_exception_e(vcpu, AC_VECTOR, error_code);
+		return 1;
 	case DB_VECTOR:
 		dr6 = vmcs_readl(EXIT_QUALIFICATION);
 		if (!(vcpu->guest_debug &
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9a9a19830321..43609af03283 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -622,7 +622,9 @@ int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 	if ((cr0 ^ old_cr0) & update_bits)
 		kvm_mmu_reset_context(vcpu);
 
-	if ((cr0 ^ old_cr0) & X86_CR0_CD)
+	if (((cr0 ^ old_cr0) & X86_CR0_CD) &&
+	    kvm_arch_has_noncoherent_dma(vcpu->kvm) &&
+	    !kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED))
 		kvm_zap_gfn_range(vcpu->kvm, 0, ~0ULL);
 
 	return 0;
@@ -4059,6 +4061,15 @@ static int kvm_read_guest_virt_system(struct x86_emulate_ctxt *ctxt,
 	return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, 0, exception);
 }
 
+static int kvm_read_guest_phys_system(struct x86_emulate_ctxt *ctxt,
+		unsigned long addr, void *val, unsigned int bytes)
+{
+	struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt);
+	int r = kvm_vcpu_read_guest(vcpu, addr, val, bytes);
+
+	return r < 0 ? X86EMUL_IO_NEEDED : X86EMUL_CONTINUE;
+}
+
 int kvm_write_guest_virt_system(struct x86_emulate_ctxt *ctxt,
 				       gva_t addr, void *val,
 				       unsigned int bytes,
@@ -4794,6 +4805,7 @@ static const struct x86_emulate_ops emulate_ops = {
 	.write_gpr           = emulator_write_gpr,
 	.read_std            = kvm_read_guest_virt_system,
 	.write_std           = kvm_write_guest_virt_system,
+	.read_phys           = kvm_read_guest_phys_system,
 	.fetch               = kvm_fetch_guest_virt,
 	.read_emulated       = emulator_read_emulated,
 	.write_emulated      = emulator_write_emulated,
diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c
index 134948b0926f..71fc79a58a15 100644
--- a/arch/x86/mm/mpx.c
+++ b/arch/x86/mm/mpx.c
@@ -585,6 +585,29 @@ static unsigned long mpx_bd_entry_to_bt_addr(struct mm_struct *mm,
 }
 
 /*
+ * We only want to do a 4-byte get_user() on 32-bit.  Otherwise,
+ * we might run off the end of the bounds table if we are on
+ * a 64-bit kernel and try to get 8 bytes.
+ */
+int get_user_bd_entry(struct mm_struct *mm, unsigned long *bd_entry_ret,
+		long __user *bd_entry_ptr)
+{
+	u32 bd_entry_32;
+	int ret;
+
+	if (is_64bit_mm(mm))
+		return get_user(*bd_entry_ret, bd_entry_ptr);
+
+	/*
+	 * Note that get_user() uses the type of the *pointer* to
+	 * establish the size of the get, not the destination.
+	 */
+	ret = get_user(bd_entry_32, (u32 __user *)bd_entry_ptr);
+	*bd_entry_ret = bd_entry_32;
+	return ret;
+}
+
+/*
  * Get the base of bounds tables pointed by specific bounds
  * directory entry.
  */
@@ -604,7 +627,7 @@ static int get_bt_addr(struct mm_struct *mm,
 		int need_write = 0;
 
 		pagefault_disable();
-		ret = get_user(bd_entry, bd_entry_ptr);
+		ret = get_user_bd_entry(mm, &bd_entry, bd_entry_ptr);
 		pagefault_enable();
 		if (!ret)
 			break;
@@ -699,11 +722,23 @@ static unsigned long mpx_get_bt_entry_offset_bytes(struct mm_struct *mm,
  */
 static inline unsigned long bd_entry_virt_space(struct mm_struct *mm)
 {
-	unsigned long long virt_space = (1ULL << boot_cpu_data.x86_virt_bits);
-	if (is_64bit_mm(mm))
-		return virt_space / MPX_BD_NR_ENTRIES_64;
-	else
-		return virt_space / MPX_BD_NR_ENTRIES_32;
+	unsigned long long virt_space;
+	unsigned long long GB = (1ULL << 30);
+
+	/*
+	 * This covers 32-bit emulation as well as 32-bit kernels
+	 * running on 64-bit harware.
+	 */
+	if (!is_64bit_mm(mm))
+		return (4ULL * GB) / MPX_BD_NR_ENTRIES_32;
+
+	/*
+	 * 'x86_virt_bits' returns what the hardware is capable
+	 * of, and returns the full >32-bit adddress space when
+	 * running 32-bit kernels on 64-bit hardware.
+	 */
+	virt_space = (1ULL << boot_cpu_data.x86_virt_bits);
+	return virt_space / MPX_BD_NR_ENTRIES_64;
 }
 
 /*
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index af71878dc15b..021d39c0ba75 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -531,7 +531,11 @@ int x509_decode_time(time64_t *_t,  size_t hdrlen,
 	if (*p != 'Z')
 		goto unsupported_time;
 
-	mon_len = month_lengths[mon];
+	if (year < 1970 ||
+	    mon < 1 || mon > 12)
+		goto invalid_time;
+
+	mon_len = month_lengths[mon - 1];
 	if (mon == 2) {
 		if (year % 4 == 0) {
 			mon_len = 29;
@@ -543,14 +547,12 @@ int x509_decode_time(time64_t *_t,  size_t hdrlen,
 		}
 	}
 
-	if (year < 1970 ||
-	    mon < 1 || mon > 12 ||
-	    day < 1 || day > mon_len ||
-	    hour < 0 || hour > 23 ||
-	    min < 0 || min > 59 ||
-	    sec < 0 || sec > 59)
+	if (day < 1 || day > mon_len ||
+	    hour > 23 ||
+	    min > 59 ||
+	    sec > 59)
 		goto invalid_time;
-	
+
 	*_t = mktime64(year, mon, day, hour, min, sec);
 	return 0;
 
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index e527a3e13939..fa893c3ec408 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -93,6 +93,7 @@ static const struct usb_device_id ath3k_table[] = {
 	{ USB_DEVICE(0x04CA, 0x300f) },
 	{ USB_DEVICE(0x04CA, 0x3010) },
 	{ USB_DEVICE(0x0930, 0x0219) },
+	{ USB_DEVICE(0x0930, 0x021c) },
 	{ USB_DEVICE(0x0930, 0x0220) },
 	{ USB_DEVICE(0x0930, 0x0227) },
 	{ USB_DEVICE(0x0b05, 0x17d0) },
@@ -104,6 +105,7 @@ static const struct usb_device_id ath3k_table[] = {
 	{ USB_DEVICE(0x0CF3, 0x311F) },
 	{ USB_DEVICE(0x0cf3, 0x3121) },
 	{ USB_DEVICE(0x0CF3, 0x817a) },
+	{ USB_DEVICE(0x0CF3, 0x817b) },
 	{ USB_DEVICE(0x0cf3, 0xe003) },
 	{ USB_DEVICE(0x0CF3, 0xE004) },
 	{ USB_DEVICE(0x0CF3, 0xE005) },
@@ -153,6 +155,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
 	{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
@@ -164,6 +167,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
 	{ USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index b6aceaf82aa8..3d0d643c8bff 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -195,6 +195,7 @@ static const struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
@@ -206,6 +207,7 @@ static const struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/clk/bcm/clk-iproc-pll.c b/drivers/clk/bcm/clk-iproc-pll.c
index 2dda4e8295a9..d679ab869653 100644
--- a/drivers/clk/bcm/clk-iproc-pll.c
+++ b/drivers/clk/bcm/clk-iproc-pll.c
@@ -345,8 +345,8 @@ static unsigned long iproc_pll_recalc_rate(struct clk_hw *hw,
 	struct iproc_pll *pll = clk->pll;
 	const struct iproc_pll_ctrl *ctrl = pll->ctrl;
 	u32 val;
-	u64 ndiv;
-	unsigned int ndiv_int, ndiv_frac, pdiv;
+	u64 ndiv, ndiv_int, ndiv_frac;
+	unsigned int pdiv;
 
 	if (parent_rate == 0)
 		return 0;
@@ -366,22 +366,19 @@ static unsigned long iproc_pll_recalc_rate(struct clk_hw *hw,
 	val = readl(pll->pll_base + ctrl->ndiv_int.offset);
 	ndiv_int = (val >> ctrl->ndiv_int.shift) &
 		bit_mask(ctrl->ndiv_int.width);
-	ndiv = (u64)ndiv_int << ctrl->ndiv_int.shift;
+	ndiv = ndiv_int << 20;
 
 	if (ctrl->flags & IPROC_CLK_PLL_HAS_NDIV_FRAC) {
 		val = readl(pll->pll_base + ctrl->ndiv_frac.offset);
 		ndiv_frac = (val >> ctrl->ndiv_frac.shift) &
 			bit_mask(ctrl->ndiv_frac.width);
-
-		if (ndiv_frac != 0)
-			ndiv = ((u64)ndiv_int << ctrl->ndiv_int.shift) |
-				ndiv_frac;
+		ndiv += ndiv_frac;
 	}
 
 	val = readl(pll->pll_base + ctrl->pdiv.offset);
 	pdiv = (val >> ctrl->pdiv.shift) & bit_mask(ctrl->pdiv.width);
 
-	clk->rate = (ndiv * parent_rate) >> ctrl->ndiv_int.shift;
+	clk->rate = (ndiv * parent_rate) >> 20;
 
 	if (pdiv == 0)
 		clk->rate *= 2;
diff --git a/drivers/clk/versatile/clk-icst.c b/drivers/clk/versatile/clk-icst.c
index a3893ea2199d..08c5ee976879 100644
--- a/drivers/clk/versatile/clk-icst.c
+++ b/drivers/clk/versatile/clk-icst.c
@@ -157,8 +157,10 @@ struct clk *icst_clk_register(struct device *dev,
 	icst->lockreg = base + desc->lock_offset;
 
 	clk = clk_register(dev, &icst->hw);
-	if (IS_ERR(clk))
+	if (IS_ERR(clk)) {
+		kfree(pclone);
 		kfree(icst);
+	}
 
 	return clk;
 }
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index a151ee2eed2a..08a693cd38cc 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -647,6 +647,8 @@ static int twl6040_probe(struct i2c_client *client,
 
 	twl6040->clk32k = devm_clk_get(&client->dev, "clk32k");
 	if (IS_ERR(twl6040->clk32k)) {
+		if (PTR_ERR(twl6040->clk32k) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
 		dev_info(&client->dev, "clk32k is not handled\n");
 		twl6040->clk32k = NULL;
 	}
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 771a449d2f56..bcd7bddbe312 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1749,6 +1749,7 @@ err_undo_flags:
 					    slave_dev->dev_addr))
 			eth_hw_addr_random(bond_dev);
 		if (bond_dev->type != ARPHRD_ETHER) {
+			dev_close(bond_dev);
 			ether_setup(bond_dev);
 			bond_dev->flags |= IFF_MASTER;
 			bond_dev->priv_flags &= ~IFF_TX_SKB_SHARING;
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index aede704605c6..141c2a42d7ed 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -915,7 +915,7 @@ static int can_fill_info(struct sk_buff *skb, const struct net_device *dev)
 	     nla_put(skb, IFLA_CAN_BITTIMING_CONST,
 		     sizeof(*priv->bittiming_const), priv->bittiming_const)) ||
 
-	    nla_put(skb, IFLA_CAN_CLOCK, sizeof(cm), &priv->clock) ||
+	    nla_put(skb, IFLA_CAN_CLOCK, sizeof(priv->clock), &priv->clock) ||
 	    nla_put_u32(skb, IFLA_CAN_STATE, state) ||
 	    nla_put(skb, IFLA_CAN_CTRLMODE, sizeof(cm), &cm) ||
 	    nla_put_u32(skb, IFLA_CAN_RESTART_MS, priv->restart_ms) ||
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 7b92e911a616..f10834be48a5 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -218,6 +218,9 @@ static void sja1000_start(struct net_device *dev)
 	priv->write_reg(priv, SJA1000_RXERR, 0x0);
 	priv->read_reg(priv, SJA1000_ECC);
 
+	/* clear interrupt flags */
+	priv->read_reg(priv, SJA1000_IR);
+
 	/* leave reset mode */
 	set_normal_mode(dev);
 }
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 1805541b4240..5e3cd76cb69b 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -907,8 +907,10 @@ static void bcmgenet_power_up(struct bcmgenet_priv *priv,
 	}
 
 	bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
-	if (mode == GENET_POWER_PASSIVE)
+	if (mode == GENET_POWER_PASSIVE) {
 		bcmgenet_phy_power_set(priv->dev, true);
+		bcmgenet_mii_reset(priv->dev);
+	}
 }
 
 /* ioctl handle special commands that are not present in ethtool. */
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
index 7299d1075422..c739f7ebc992 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
@@ -674,6 +674,7 @@ int bcmgenet_mii_init(struct net_device *dev);
 int bcmgenet_mii_config(struct net_device *dev);
 int bcmgenet_mii_probe(struct net_device *dev);
 void bcmgenet_mii_exit(struct net_device *dev);
+void bcmgenet_mii_reset(struct net_device *dev);
 void bcmgenet_phy_power_set(struct net_device *dev, bool enable);
 void bcmgenet_mii_setup(struct net_device *dev);
 
diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index c8affad76f36..8bdfe53754ba 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -163,6 +163,7 @@ void bcmgenet_mii_setup(struct net_device *dev)
 	phy_print_status(phydev);
 }
 
+
 static int bcmgenet_fixed_phy_link_update(struct net_device *dev,
 					  struct fixed_phy_status *status)
 {
@@ -172,6 +173,22 @@ static int bcmgenet_fixed_phy_link_update(struct net_device *dev,
 	return 0;
 }
 
+/* Perform a voluntary PHY software reset, since the EPHY is very finicky about
+ * not doing it and will start corrupting packets
+ */
+void bcmgenet_mii_reset(struct net_device *dev)
+{
+	struct bcmgenet_priv *priv = netdev_priv(dev);
+
+	if (GENET_IS_V4(priv))
+		return;
+
+	if (priv->phydev) {
+		phy_init_hw(priv->phydev);
+		phy_start_aneg(priv->phydev);
+	}
+}
+
 void bcmgenet_phy_power_set(struct net_device *dev, bool enable)
 {
 	struct bcmgenet_priv *priv = netdev_priv(dev);
@@ -214,6 +231,7 @@ static void bcmgenet_internal_phy_setup(struct net_device *dev)
 	reg = bcmgenet_ext_readl(priv, EXT_EXT_PWR_MGMT);
 	reg |= EXT_PWR_DN_EN_LD;
 	bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
+	bcmgenet_mii_reset(dev);
 }
 
 static void bcmgenet_moca_phy_setup(struct bcmgenet_priv *priv)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 514df76fc70f..0e49244981d6 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -949,7 +949,7 @@ static void mvneta_defaults_set(struct mvneta_port *pp)
 	/* Set CPU queue access map - all CPUs have access to all RX
 	 * queues and to all TX queues
 	 */
-	for (cpu = 0; cpu < CONFIG_NR_CPUS; cpu++)
+	for_each_present_cpu(cpu)
 		mvreg_write(pp, MVNETA_CPU_MAP(cpu),
 			    (MVNETA_CPU_RXQ_ACCESS_ALL_MASK |
 			     MVNETA_CPU_TXQ_ACCESS_ALL_MASK));
@@ -1533,12 +1533,16 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo,
 		}
 
 		skb = build_skb(data, pp->frag_size > PAGE_SIZE ? 0 : pp->frag_size);
-		if (!skb)
-			goto err_drop_frame;
 
+		/* After refill old buffer has to be unmapped regardless
+		 * the skb is successfully built or not.
+		 */
 		dma_unmap_single(dev->dev.parent, phys_addr,
 				 MVNETA_RX_BUF_SIZE(pp->pkt_size), DMA_FROM_DEVICE);
 
+		if (!skb)
+			goto err_drop_frame;
+
 		rcvd_pkts++;
 		rcvd_bytes += rx_bytes;
 
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index ff649ebef637..286cc6b69d57 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -1849,7 +1849,9 @@ static void efx_ef10_tx_write(struct efx_tx_queue *tx_queue)
 	unsigned int write_ptr;
 	efx_qword_t *txd;
 
-	BUG_ON(tx_queue->write_count == tx_queue->insert_count);
+	tx_queue->xmit_more_available = false;
+	if (unlikely(tx_queue->write_count == tx_queue->insert_count))
+		return;
 
 	do {
 		write_ptr = tx_queue->write_count & tx_queue->ptr_mask;
diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c
index f08266f0eca2..5a1c5a8f278a 100644
--- a/drivers/net/ethernet/sfc/farch.c
+++ b/drivers/net/ethernet/sfc/farch.c
@@ -321,7 +321,9 @@ void efx_farch_tx_write(struct efx_tx_queue *tx_queue)
 	unsigned write_ptr;
 	unsigned old_write_count = tx_queue->write_count;
 
-	BUG_ON(tx_queue->write_count == tx_queue->insert_count);
+	tx_queue->xmit_more_available = false;
+	if (unlikely(tx_queue->write_count == tx_queue->insert_count))
+		return;
 
 	do {
 		write_ptr = tx_queue->write_count & tx_queue->ptr_mask;
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index c530e1c4cb4f..24038ef96d9f 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -219,6 +219,7 @@ struct efx_tx_buffer {
  * @tso_packets: Number of packets via the TSO xmit path
  * @pushes: Number of times the TX push feature has been used
  * @pio_packets: Number of times the TX PIO feature has been used
+ * @xmit_more_available: Are any packets waiting to be pushed to the NIC
  * @empty_read_count: If the completion path has seen the queue as empty
  *	and the transmission path has not yet checked this, the value of
  *	@read_count bitwise-added to %EFX_EMPTY_COUNT_VALID; otherwise 0.
@@ -253,6 +254,7 @@ struct efx_tx_queue {
 	unsigned int tso_packets;
 	unsigned int pushes;
 	unsigned int pio_packets;
+	bool xmit_more_available;
 	/* Statistics to supplement MAC stats */
 	unsigned long tx_packets;
 
diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c
index 1833a0146571..67f6afaa022f 100644
--- a/drivers/net/ethernet/sfc/tx.c
+++ b/drivers/net/ethernet/sfc/tx.c
@@ -431,8 +431,20 @@ finish_packet:
 	efx_tx_maybe_stop_queue(tx_queue);
 
 	/* Pass off to hardware */
-	if (!skb->xmit_more || netif_xmit_stopped(tx_queue->core_txq))
+	if (!skb->xmit_more || netif_xmit_stopped(tx_queue->core_txq)) {
+		struct efx_tx_queue *txq2 = efx_tx_queue_partner(tx_queue);
+
+		/* There could be packets left on the partner queue if those
+		 * SKBs had skb->xmit_more set. If we do not push those they
+		 * could be left for a long time and cause a netdev watchdog.
+		 */
+		if (txq2->xmit_more_available)
+			efx_nic_push_buffers(txq2);
+
 		efx_nic_push_buffers(tx_queue);
+	} else {
+		tx_queue->xmit_more_available = skb->xmit_more;
+	}
 
 	tx_queue->tx_packets++;
 
@@ -722,6 +734,7 @@ void efx_init_tx_queue(struct efx_tx_queue *tx_queue)
 	tx_queue->read_count = 0;
 	tx_queue->old_read_count = 0;
 	tx_queue->empty_read_count = 0 | EFX_EMPTY_COUNT_VALID;
+	tx_queue->xmit_more_available = false;
 
 	/* Set up TX descriptor ring */
 	efx_nic_init_tx(tx_queue);
@@ -747,6 +760,7 @@ void efx_fini_tx_queue(struct efx_tx_queue *tx_queue)
 
 		++tx_queue->read_count;
 	}
+	tx_queue->xmit_more_available = false;
 	netdev_tx_reset_queue(tx_queue->core_txq);
 }
 
@@ -1302,8 +1316,20 @@ static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
 	efx_tx_maybe_stop_queue(tx_queue);
 
 	/* Pass off to hardware */
-	if (!skb->xmit_more || netif_xmit_stopped(tx_queue->core_txq))
+	if (!skb->xmit_more || netif_xmit_stopped(tx_queue->core_txq)) {
+		struct efx_tx_queue *txq2 = efx_tx_queue_partner(tx_queue);
+
+		/* There could be packets left on the partner queue if those
+		 * SKBs had skb->xmit_more set. If we do not push those they
+		 * could be left for a long time and cause a netdev watchdog.
+		 */
+		if (txq2->xmit_more_available)
+			efx_nic_push_buffers(txq2);
+
 		efx_nic_push_buffers(tx_queue);
+	} else {
+		tx_queue->xmit_more_available = skb->xmit_more;
+	}
 
 	tx_queue->tso_bursts++;
 	return NETDEV_TX_OK;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index 771cda2a48b2..2e51b816a7e8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -721,10 +721,13 @@ static int stmmac_get_ts_info(struct net_device *dev,
 {
 	struct stmmac_priv *priv = netdev_priv(dev);
 
-	if ((priv->hwts_tx_en) && (priv->hwts_rx_en)) {
+	if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) {
 
-		info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
+		info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
+					SOF_TIMESTAMPING_TX_HARDWARE |
+					SOF_TIMESTAMPING_RX_SOFTWARE |
 					SOF_TIMESTAMPING_RX_HARDWARE |
+					SOF_TIMESTAMPING_SOFTWARE |
 					SOF_TIMESTAMPING_RAW_HARDWARE;
 
 		if (priv->ptp_clock)
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index b87b98617073..9e3d89d06445 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -142,12 +142,17 @@ static const char *const ath10k_core_fw_feature_str[] = {
 	[ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
 	[ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
 	[ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
+	[ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
 };
 
 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
 						   size_t buf_len,
 						   enum ath10k_fw_features feat)
 {
+	/* make sure that ath10k_core_fw_feature_str[] gets updated */
+	BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
+		     ATH10K_FW_FEATURE_COUNT);
+
 	if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
 	    WARN_ON(!ath10k_core_fw_feature_str[feat])) {
 		return scnprintf(buf, buf_len, "bit%d", feat);
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 64674c955d44..e1d32de8b111 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2083,7 +2083,8 @@ static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
 	enum ieee80211_band band;
 	const u8 *ht_mcs_mask;
 	const u16 *vht_mcs_mask;
-	int i, n, max_nss;
+	int i, n;
+	u8 max_nss;
 	u32 stbc;
 
 	lockdep_assert_held(&ar->conf_mutex);
@@ -2168,7 +2169,7 @@ static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
 			arg->peer_ht_rates.rates[i] = i;
 	} else {
 		arg->peer_ht_rates.num_rates = n;
-		arg->peer_num_spatial_streams = max_nss;
+		arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss);
 	}
 
 	ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
@@ -4055,7 +4056,7 @@ static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
 
 static u32 get_nss_from_chainmask(u16 chain_mask)
 {
-	if ((chain_mask & 0x15) == 0x15)
+	if ((chain_mask & 0xf) == 0xf)
 		return 4;
 	else if ((chain_mask & 0x7) == 0x7)
 		return 3;
diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c
index 644b58bc5226..639761fb2bfb 100644
--- a/drivers/net/wireless/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/iwlwifi/pcie/drv.c
@@ -423,14 +423,21 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 /* 8000 Series */
 	{IWL_PCI_DEVICE(0x24F3, 0x0010, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x1010, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x0130, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x1130, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x0132, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x1132, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x0110, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x01F0, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x0012, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x1012, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x1110, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x0050, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x0250, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x1050, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x0150, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x1150, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F4, 0x0030, iwl8260_2ac_cfg)},
-	{IWL_PCI_DEVICE(0x24F4, 0x1130, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F4, 0x1030, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0xC010, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0xC110, iwl8260_2ac_cfg)},
@@ -438,18 +445,28 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x24F3, 0xC050, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0xD050, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x8010, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x8110, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x9010, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x9110, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F4, 0x8030, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F4, 0x9030, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x8130, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x9130, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x8132, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x9132, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x8050, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x8150, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x9050, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x9150, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x0004, iwl8260_2n_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x0044, iwl8260_2n_cfg)},
 	{IWL_PCI_DEVICE(0x24F5, 0x0010, iwl4165_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F6, 0x0030, iwl4165_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x0810, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x0910, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x0850, iwl8260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x24F3, 0x0950, iwl8260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x24F3, 0x0930, iwl8260_2ac_cfg)},
 #endif /* CONFIG_IWLMVM */
 
 	{0}
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 6ba7d300b08f..90283453073c 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -592,10 +592,8 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans)
 
 		do {
 			ret = iwl_pcie_set_hw_ready(trans);
-			if (ret >= 0) {
-				ret = 0;
-				goto out;
-			}
+			if (ret >= 0)
+				return 0;
 
 			usleep_range(200, 1000);
 			t += 200;
@@ -605,10 +603,6 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans)
 
 	IWL_ERR(trans, "Couldn't prepare the card\n");
 
-out:
-	iwl_clear_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG,
-		      CSR_RESET_LINK_PWR_MGMT_DISABLED);
-
 	return ret;
 }
 
diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c
index 5a0636d43a1b..5583856fc5c4 100644
--- a/drivers/net/wireless/mwifiex/debugfs.c
+++ b/drivers/net/wireless/mwifiex/debugfs.c
@@ -731,7 +731,7 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
 		(struct mwifiex_private *) file->private_data;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *) addr;
-	int pos = 0, ret = 0, i;
+	int pos, ret, i;
 	u8 value[MAX_EEPROM_DATA];
 
 	if (!buf)
@@ -739,7 +739,7 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
 
 	if (saved_offset == -1) {
 		/* No command has been given */
-		pos += snprintf(buf, PAGE_SIZE, "0");
+		pos = snprintf(buf, PAGE_SIZE, "0");
 		goto done;
 	}
 
@@ -748,17 +748,17 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
 				  (u16) saved_bytes, value);
 	if (ret) {
 		ret = -EINVAL;
-		goto done;
+		goto out_free;
 	}
 
-	pos += snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes);
+	pos = snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes);
 
 	for (i = 0; i < saved_bytes; i++)
-		pos += snprintf(buf + strlen(buf), PAGE_SIZE, "%d ", value[i]);
-
-	ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
+		pos += scnprintf(buf + pos, PAGE_SIZE - pos, "%d ", value[i]);
 
 done:
+	ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
+out_free:
 	free_page(addr);
 	return ret;
 }
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 408b68460716..21192b6f9c64 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -1815,7 +1815,6 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
 	if (!card->evt_buf_list[rdptr]) {
 		skb_push(skb, INTF_HEADER_LEN);
 		skb_put(skb, MAX_EVENT_SIZE - skb->len);
-		memset(skb->data, 0, MAX_EVENT_SIZE);
 		if (mwifiex_map_pci_memory(adapter, skb,
 					   MAX_EVENT_SIZE,
 					   PCI_DMA_FROMDEVICE))
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 5847863a2d6b..278ec477fd90 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1889,7 +1889,7 @@ mwifiex_active_scan_req_for_passive_chan(struct mwifiex_private *priv)
 	u8 id = 0;
 	struct mwifiex_user_scan_cfg  *user_scan_cfg;
 
-	if (adapter->active_scan_triggered) {
+	if (adapter->active_scan_triggered || !priv->scan_request) {
 		adapter->active_scan_triggered = false;
 		return 0;
 	}
diff --git a/drivers/nfc/st-nci/spi.c b/drivers/nfc/st-nci/spi.c
index 598a58c4d6d1..887d308c2ec8 100644
--- a/drivers/nfc/st-nci/spi.c
+++ b/drivers/nfc/st-nci/spi.c
@@ -25,6 +25,7 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/nfc.h>
+#include <net/nfc/nci.h>
 #include <linux/platform_data/st-nci.h>
 
 #include "ndlc.h"
@@ -94,7 +95,8 @@ static int st_nci_spi_write(void *phy_id, struct sk_buff *skb)
 	struct st_nci_spi_phy *phy = phy_id;
 	struct spi_device *dev = phy->spi_dev;
 	struct sk_buff *skb_rx;
-	u8 buf[ST_NCI_SPI_MAX_SIZE];
+	u8 buf[ST_NCI_SPI_MAX_SIZE + NCI_DATA_HDR_SIZE +
+	       ST_NCI_FRAME_HEADROOM + ST_NCI_FRAME_TAILROOM];
 	struct spi_transfer spi_xfer = {
 		.tx_buf = skb->data,
 		.rx_buf = buf,
diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
index e1a3721bc8e5..d809c9eaa323 100644
--- a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
+++ b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
@@ -584,7 +584,7 @@ static void pm8xxx_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 }
 
 #else
-#define msm_gpio_dbg_show NULL
+#define pm8xxx_gpio_dbg_show NULL
 #endif
 
 static struct gpio_chip pm8xxx_gpio_template = {
diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
index 6652b8d7f707..8982027de8e8 100644
--- a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
+++ b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
@@ -639,7 +639,7 @@ static void pm8xxx_mpp_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 }
 
 #else
-#define msm_mpp_dbg_show NULL
+#define pm8xxx_mpp_dbg_show NULL
 #endif
 
 static struct gpio_chip pm8xxx_mpp_template = {
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
index 918f3b643f1b..589872cc8adb 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
@@ -539,6 +539,12 @@ static int uniphier_pmx_set_one_mux(struct pinctrl_dev *pctldev, unsigned pin,
 	unsigned reg, reg_end, shift, mask;
 	int ret;
 
+	/* some pins need input-enabling */
+	ret = uniphier_conf_pin_input_enable(pctldev,
+					     &pctldev->desc->pins[pin], 1);
+	if (ret)
+		return ret;
+
 	reg = UNIPHIER_PINCTRL_PINMUX_BASE + pin * mux_bits / 32 * reg_stride;
 	reg_end = reg + reg_stride;
 	shift = pin * mux_bits % 32;
@@ -563,9 +569,7 @@ static int uniphier_pmx_set_one_mux(struct pinctrl_dev *pctldev, unsigned pin,
 			return ret;
 	}
 
-	/* some pins need input-enabling */
-	return uniphier_conf_pin_input_enable(pctldev,
-					      &pctldev->desc->pins[pin], 1);
+	return 0;
 }
 
 static int uniphier_pmx_set_mux(struct pinctrl_dev *pctldev,
diff --git a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
index a9c9a077c77d..bc3d907fd20f 100644
--- a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
+++ b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
@@ -680,7 +680,7 @@ void lnet_debug_peer(lnet_nid_t nid);
 static inline void
 lnet_peer_set_alive(lnet_peer_t *lp)
 {
-	lp->lp_last_alive = lp->lp_last_query = get_seconds();
+	lp->lp_last_alive = lp->lp_last_query = jiffies;
 	if (!lp->lp_alive)
 		lnet_notify_locked(lp, 0, 1, lp->lp_last_alive);
 }
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index f8b5b332e7c3..943a0e204532 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -144,6 +144,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = {
 	{USB_DEVICE(0x0DF6, 0x0058)},
 	{USB_DEVICE(0x0DF6, 0x0049)},
 	{USB_DEVICE(0x0DF6, 0x004C)},
+	{USB_DEVICE(0x0DF6, 0x006C)},
 	{USB_DEVICE(0x0DF6, 0x0064)},
 	/* Skyworth */
 	{USB_DEVICE(0x14b2, 0x3300)},
diff --git a/drivers/tty/mips_ejtag_fdc.c b/drivers/tty/mips_ejtag_fdc.c
index a8c8cfd52a23..57ff5d3157a6 100644
--- a/drivers/tty/mips_ejtag_fdc.c
+++ b/drivers/tty/mips_ejtag_fdc.c
@@ -1048,38 +1048,6 @@ err_destroy_ports:
 	return ret;
 }
 
-static int mips_ejtag_fdc_tty_remove(struct mips_cdmm_device *dev)
-{
-	struct mips_ejtag_fdc_tty *priv = mips_cdmm_get_drvdata(dev);
-	struct mips_ejtag_fdc_tty_port *dport;
-	int nport;
-	unsigned int cfg;
-
-	if (priv->irq >= 0) {
-		raw_spin_lock_irq(&priv->lock);
-		cfg = mips_ejtag_fdc_read(priv, REG_FDCFG);
-		/* Disable interrupts */
-		cfg &= ~(REG_FDCFG_TXINTTHRES | REG_FDCFG_RXINTTHRES);
-		cfg |= REG_FDCFG_TXINTTHRES_DISABLED;
-		cfg |= REG_FDCFG_RXINTTHRES_DISABLED;
-		mips_ejtag_fdc_write(priv, REG_FDCFG, cfg);
-		raw_spin_unlock_irq(&priv->lock);
-	} else {
-		priv->removing = true;
-		del_timer_sync(&priv->poll_timer);
-	}
-	kthread_stop(priv->thread);
-	if (dev->cpu == 0)
-		mips_ejtag_fdc_con.tty_drv = NULL;
-	tty_unregister_driver(priv->driver);
-	for (nport = 0; nport < NUM_TTY_CHANNELS; nport++) {
-		dport = &priv->ports[nport];
-		tty_port_destroy(&dport->port);
-	}
-	put_tty_driver(priv->driver);
-	return 0;
-}
-
 static int mips_ejtag_fdc_tty_cpu_down(struct mips_cdmm_device *dev)
 {
 	struct mips_ejtag_fdc_tty *priv = mips_cdmm_get_drvdata(dev);
@@ -1152,12 +1120,11 @@ static struct mips_cdmm_driver mips_ejtag_fdc_tty_driver = {
 		.name	= "mips_ejtag_fdc",
 	},
 	.probe		= mips_ejtag_fdc_tty_probe,
-	.remove		= mips_ejtag_fdc_tty_remove,
 	.cpu_down	= mips_ejtag_fdc_tty_cpu_down,
 	.cpu_up		= mips_ejtag_fdc_tty_cpu_up,
 	.id_table	= mips_ejtag_fdc_tty_ids,
 };
-module_mips_cdmm_driver(mips_ejtag_fdc_tty_driver);
+builtin_mips_cdmm_driver(mips_ejtag_fdc_tty_driver);
 
 static int __init mips_ejtag_fdc_init_console(void)
 {
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index b09023b07169..a0285da0244c 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -169,7 +169,7 @@ static inline int tty_copy_to_user(struct tty_struct *tty,
 {
 	struct n_tty_data *ldata = tty->disc_data;
 
-	tty_audit_add_data(tty, to, n, ldata->icanon);
+	tty_audit_add_data(tty, from, n, ldata->icanon);
 	return copy_to_user(to, from, n);
 }
 
diff --git a/drivers/tty/tty_audit.c b/drivers/tty/tty_audit.c
index 90ca082935f6..3d245cd3d8e6 100644
--- a/drivers/tty/tty_audit.c
+++ b/drivers/tty/tty_audit.c
@@ -265,7 +265,7 @@ static struct tty_audit_buf *tty_audit_buf_get(struct tty_struct *tty,
  *
  *	Audit @data of @size from @tty, if necessary.
  */
-void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
+void tty_audit_add_data(struct tty_struct *tty, const void *data,
 			size_t size, unsigned icanon)
 {
 	struct tty_audit_buf *buf;
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 2eefaa6e3e3a..f435977de740 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1282,18 +1282,22 @@ int tty_send_xchar(struct tty_struct *tty, char ch)
 	int	was_stopped = tty->stopped;
 
 	if (tty->ops->send_xchar) {
+		down_read(&tty->termios_rwsem);
 		tty->ops->send_xchar(tty, ch);
+		up_read(&tty->termios_rwsem);
 		return 0;
 	}
 
 	if (tty_write_lock(tty, 0) < 0)
 		return -ERESTARTSYS;
 
+	down_read(&tty->termios_rwsem);
 	if (was_stopped)
 		start_tty(tty);
 	tty->ops->write(tty, &ch, 1);
 	if (was_stopped)
 		stop_tty(tty);
+	up_read(&tty->termios_rwsem);
 	tty_write_unlock(tty);
 	return 0;
 }
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 9c5aebfe7053..1445dd39aa62 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -1147,16 +1147,12 @@ int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file,
 			spin_unlock_irq(&tty->flow_lock);
 			break;
 		case TCIOFF:
-			down_read(&tty->termios_rwsem);
 			if (STOP_CHAR(tty) != __DISABLED_CHAR)
 				retval = tty_send_xchar(tty, STOP_CHAR(tty));
-			up_read(&tty->termios_rwsem);
 			break;
 		case TCION:
-			down_read(&tty->termios_rwsem);
 			if (START_CHAR(tty) != __DISABLED_CHAR)
 				retval = tty_send_xchar(tty, START_CHAR(tty));
-			up_read(&tty->termios_rwsem);
 			break;
 		default:
 			return -EINVAL;
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index dcc50c878159..ad53aed9b280 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -73,6 +73,12 @@ struct ci_hdrc_imx_data {
 	struct imx_usbmisc_data *usbmisc_data;
 	bool supports_runtime_pm;
 	bool in_lpm;
+	/* SoC before i.mx6 (except imx23/imx28) needs three clks */
+	bool need_three_clks;
+	struct clk *clk_ipg;
+	struct clk *clk_ahb;
+	struct clk *clk_per;
+	/* --------------------------------- */
 };
 
 /* Common functions shared by usbmisc drivers */
@@ -124,6 +130,102 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev)
 }
 
 /* End of common functions shared by usbmisc drivers*/
+static int imx_get_clks(struct device *dev)
+{
+	struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+	int ret = 0;
+
+	data->clk_ipg = devm_clk_get(dev, "ipg");
+	if (IS_ERR(data->clk_ipg)) {
+		/* If the platform only needs one clocks */
+		data->clk = devm_clk_get(dev, NULL);
+		if (IS_ERR(data->clk)) {
+			ret = PTR_ERR(data->clk);
+			dev_err(dev,
+				"Failed to get clks, err=%ld,%ld\n",
+				PTR_ERR(data->clk), PTR_ERR(data->clk_ipg));
+			return ret;
+		}
+		return ret;
+	}
+
+	data->clk_ahb = devm_clk_get(dev, "ahb");
+	if (IS_ERR(data->clk_ahb)) {
+		ret = PTR_ERR(data->clk_ahb);
+		dev_err(dev,
+			"Failed to get ahb clock, err=%d\n", ret);
+		return ret;
+	}
+
+	data->clk_per = devm_clk_get(dev, "per");
+	if (IS_ERR(data->clk_per)) {
+		ret = PTR_ERR(data->clk_per);
+		dev_err(dev,
+			"Failed to get per clock, err=%d\n", ret);
+		return ret;
+	}
+
+	data->need_three_clks = true;
+	return ret;
+}
+
+static int imx_prepare_enable_clks(struct device *dev)
+{
+	struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+	int ret = 0;
+
+	if (data->need_three_clks) {
+		ret = clk_prepare_enable(data->clk_ipg);
+		if (ret) {
+			dev_err(dev,
+				"Failed to prepare/enable ipg clk, err=%d\n",
+				ret);
+			return ret;
+		}
+
+		ret = clk_prepare_enable(data->clk_ahb);
+		if (ret) {
+			dev_err(dev,
+				"Failed to prepare/enable ahb clk, err=%d\n",
+				ret);
+			clk_disable_unprepare(data->clk_ipg);
+			return ret;
+		}
+
+		ret = clk_prepare_enable(data->clk_per);
+		if (ret) {
+			dev_err(dev,
+				"Failed to prepare/enable per clk, err=%d\n",
+				ret);
+			clk_disable_unprepare(data->clk_ahb);
+			clk_disable_unprepare(data->clk_ipg);
+			return ret;
+		}
+	} else {
+		ret = clk_prepare_enable(data->clk);
+		if (ret) {
+			dev_err(dev,
+				"Failed to prepare/enable clk, err=%d\n",
+				ret);
+			return ret;
+		}
+	}
+
+	return ret;
+}
+
+static void imx_disable_unprepare_clks(struct device *dev)
+{
+	struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+
+	if (data->need_three_clks) {
+		clk_disable_unprepare(data->clk_per);
+		clk_disable_unprepare(data->clk_ahb);
+		clk_disable_unprepare(data->clk_ipg);
+	} else {
+		clk_disable_unprepare(data->clk);
+	}
+}
 
 static int ci_hdrc_imx_probe(struct platform_device *pdev)
 {
@@ -142,23 +244,18 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
 	if (!data)
 		return -ENOMEM;
 
+	platform_set_drvdata(pdev, data);
 	data->usbmisc_data = usbmisc_get_init_data(&pdev->dev);
 	if (IS_ERR(data->usbmisc_data))
 		return PTR_ERR(data->usbmisc_data);
 
-	data->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_ERR(data->clk)) {
-		dev_err(&pdev->dev,
-			"Failed to get clock, err=%ld\n", PTR_ERR(data->clk));
-		return PTR_ERR(data->clk);
-	}
+	ret = imx_get_clks(&pdev->dev);
+	if (ret)
+		return ret;
 
-	ret = clk_prepare_enable(data->clk);
-	if (ret) {
-		dev_err(&pdev->dev,
-			"Failed to prepare or enable clock, err=%d\n", ret);
+	ret = imx_prepare_enable_clks(&pdev->dev);
+	if (ret)
 		return ret;
-	}
 
 	data->phy = devm_usb_get_phy_by_phandle(&pdev->dev, "fsl,usbphy", 0);
 	if (IS_ERR(data->phy)) {
@@ -201,8 +298,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
 		goto disable_device;
 	}
 
-	platform_set_drvdata(pdev, data);
-
 	if (data->supports_runtime_pm) {
 		pm_runtime_set_active(&pdev->dev);
 		pm_runtime_enable(&pdev->dev);
@@ -215,7 +310,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
 disable_device:
 	ci_hdrc_remove_device(data->ci_pdev);
 err_clk:
-	clk_disable_unprepare(data->clk);
+	imx_disable_unprepare_clks(&pdev->dev);
 	return ret;
 }
 
@@ -229,7 +324,7 @@ static int ci_hdrc_imx_remove(struct platform_device *pdev)
 		pm_runtime_put_noidle(&pdev->dev);
 	}
 	ci_hdrc_remove_device(data->ci_pdev);
-	clk_disable_unprepare(data->clk);
+	imx_disable_unprepare_clks(&pdev->dev);
 
 	return 0;
 }
@@ -241,7 +336,7 @@ static int imx_controller_suspend(struct device *dev)
 
 	dev_dbg(dev, "at %s\n", __func__);
 
-	clk_disable_unprepare(data->clk);
+	imx_disable_unprepare_clks(dev);
 	data->in_lpm = true;
 
 	return 0;
@@ -259,7 +354,7 @@ static int imx_controller_resume(struct device *dev)
 		return 0;
 	}
 
-	ret = clk_prepare_enable(data->clk);
+	ret = imx_prepare_enable_clks(dev);
 	if (ret)
 		return ret;
 
@@ -274,7 +369,7 @@ static int imx_controller_resume(struct device *dev)
 	return 0;
 
 clk_disable:
-	clk_disable_unprepare(data->clk);
+	imx_disable_unprepare_clks(dev);
 	return ret;
 }
 
diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c
index 080b7be3daf0..58c8485a0715 100644
--- a/drivers/usb/chipidea/debug.c
+++ b/drivers/usb/chipidea/debug.c
@@ -322,8 +322,10 @@ static ssize_t ci_role_write(struct file *file, const char __user *ubuf,
 		return -EINVAL;
 
 	pm_runtime_get_sync(ci->dev);
+	disable_irq(ci->irq);
 	ci_role_stop(ci);
 	ret = ci_role_start(ci, role);
+	enable_irq(ci->irq);
 	pm_runtime_put_sync(ci->dev);
 
 	return ret ? ret : count;
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 8223fe73ea85..391a1225b0ba 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1751,6 +1751,22 @@ static int ci_udc_start(struct usb_gadget *gadget,
 	return retval;
 }
 
+static void ci_udc_stop_for_otg_fsm(struct ci_hdrc *ci)
+{
+	if (!ci_otg_is_fsm_mode(ci))
+		return;
+
+	mutex_lock(&ci->fsm.lock);
+	if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) {
+		ci->fsm.a_bidl_adis_tmout = 1;
+		ci_hdrc_otg_fsm_start(ci);
+	} else if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) {
+		ci->fsm.protocol = PROTO_UNDEF;
+		ci->fsm.otg->state = OTG_STATE_UNDEFINED;
+	}
+	mutex_unlock(&ci->fsm.lock);
+}
+
 /**
  * ci_udc_stop: unregister a gadget driver
  */
@@ -1775,6 +1791,7 @@ static int ci_udc_stop(struct usb_gadget *gadget)
 	ci->driver = NULL;
 	spin_unlock_irqrestore(&ci->lock, flags);
 
+	ci_udc_stop_for_otg_fsm(ci);
 	return 0;
 }
 
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 433bbc34a8a4..071964c7847f 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -884,11 +884,11 @@ static int usblp_wwait(struct usblp *usblp, int nonblock)
 
 	add_wait_queue(&usblp->wwait, &waita);
 	for (;;) {
-		set_current_state(TASK_INTERRUPTIBLE);
 		if (mutex_lock_interruptible(&usblp->mut)) {
 			rc = -EINTR;
 			break;
 		}
+		set_current_state(TASK_INTERRUPTIBLE);
 		rc = usblp_wtest(usblp, nonblock);
 		mutex_unlock(&usblp->mut);
 		if (rc <= 0)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 064123e44566..51156ec91c78 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -488,6 +488,9 @@ static int dwc3_phy_setup(struct dwc3 *dwc)
 	if (dwc->dis_u2_susphy_quirk)
 		reg &= ~DWC3_GUSB2PHYCFG_SUSPHY;
 
+	if (dwc->dis_enblslpm_quirk)
+		reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM;
+
 	dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg);
 
 	return 0;
@@ -507,12 +510,18 @@ static int dwc3_core_init(struct dwc3 *dwc)
 
 	reg = dwc3_readl(dwc->regs, DWC3_GSNPSID);
 	/* This should read as U3 followed by revision number */
-	if ((reg & DWC3_GSNPSID_MASK) != 0x55330000) {
+	if ((reg & DWC3_GSNPSID_MASK) == 0x55330000) {
+		/* Detected DWC_usb3 IP */
+		dwc->revision = reg;
+	} else if ((reg & DWC3_GSNPSID_MASK) == 0x33310000) {
+		/* Detected DWC_usb31 IP */
+		dwc->revision = dwc3_readl(dwc->regs, DWC3_VER_NUMBER);
+		dwc->revision |= DWC3_REVISION_IS_DWC31;
+	} else {
 		dev_err(dwc->dev, "this is not a DesignWare USB3 DRD Core\n");
 		ret = -ENODEV;
 		goto err0;
 	}
-	dwc->revision = reg;
 
 	/*
 	 * Write Linux Version Code to our GUID register so it's easy to figure
@@ -879,6 +888,8 @@ static int dwc3_probe(struct platform_device *pdev)
 				"snps,dis_u3_susphy_quirk");
 		dwc->dis_u2_susphy_quirk = of_property_read_bool(node,
 				"snps,dis_u2_susphy_quirk");
+	dwc->dis_enblslpm_quirk = device_property_read_bool(dev,
+				"snps,dis_enblslpm_quirk");
 
 		dwc->tx_de_emphasis_quirk = of_property_read_bool(node,
 				"snps,tx_de_emphasis_quirk");
@@ -909,6 +920,7 @@ static int dwc3_probe(struct platform_device *pdev)
 		dwc->rx_detect_poll_quirk = pdata->rx_detect_poll_quirk;
 		dwc->dis_u3_susphy_quirk = pdata->dis_u3_susphy_quirk;
 		dwc->dis_u2_susphy_quirk = pdata->dis_u2_susphy_quirk;
+		dwc->dis_enblslpm_quirk = pdata->dis_enblslpm_quirk;
 
 		dwc->tx_de_emphasis_quirk = pdata->tx_de_emphasis_quirk;
 		if (pdata->tx_de_emphasis)
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 044778884585..6e53ce9ce320 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -108,6 +108,9 @@
 #define DWC3_GPRTBIMAP_FS0	0xc188
 #define DWC3_GPRTBIMAP_FS1	0xc18c
 
+#define DWC3_VER_NUMBER		0xc1a0
+#define DWC3_VER_TYPE		0xc1a4
+
 #define DWC3_GUSB2PHYCFG(n)	(0xc200 + (n * 0x04))
 #define DWC3_GUSB2I2CCTL(n)	(0xc240 + (n * 0x04))
 
@@ -175,6 +178,7 @@
 #define DWC3_GUSB2PHYCFG_PHYSOFTRST	(1 << 31)
 #define DWC3_GUSB2PHYCFG_SUSPHY		(1 << 6)
 #define DWC3_GUSB2PHYCFG_ULPI_UTMI	(1 << 4)
+#define DWC3_GUSB2PHYCFG_ENBLSLPM	(1 << 8)
 
 /* Global USB2 PHY Vendor Control Register */
 #define DWC3_GUSB2PHYACC_NEWREGREQ	(1 << 25)
@@ -712,6 +716,8 @@ struct dwc3_scratchpad_array {
  * @rx_detect_poll_quirk: set if we enable rx_detect to polling lfps quirk
  * @dis_u3_susphy_quirk: set if we disable usb3 suspend phy
  * @dis_u2_susphy_quirk: set if we disable usb2 suspend phy
+ * @dis_enblslpm_quirk: set if we clear enblslpm in GUSB2PHYCFG,
+ *                      disabling the suspend signal to the PHY.
  * @tx_de_emphasis_quirk: set if we enable Tx de-emphasis quirk
  * @tx_de_emphasis: Tx de-emphasis value
  * 	0	- -6dB de-emphasis
@@ -766,6 +772,14 @@ struct dwc3 {
 	u32			num_event_buffers;
 	u32			u1u2;
 	u32			maximum_speed;
+
+	/*
+	 * All 3.1 IP version constants are greater than the 3.0 IP
+	 * version constants. This works for most version checks in
+	 * dwc3. However, in the future, this may not apply as
+	 * features may be developed on newer versions of the 3.0 IP
+	 * that are not in the 3.1 IP.
+	 */
 	u32			revision;
 
 #define DWC3_REVISION_173A	0x5533173a
@@ -788,6 +802,13 @@ struct dwc3 {
 #define DWC3_REVISION_270A	0x5533270a
 #define DWC3_REVISION_280A	0x5533280a
 
+/*
+ * NOTICE: we're using bit 31 as a "is usb 3.1" flag. This is really
+ * just so dwc31 revisions are always larger than dwc3.
+ */
+#define DWC3_REVISION_IS_DWC31		0x80000000
+#define DWC3_USB31_REVISION_110A	(0x3131302a | DWC3_REVISION_IS_USB31)
+
 	enum dwc3_ep0_next	ep0_next_event;
 	enum dwc3_ep0_state	ep0state;
 	enum dwc3_link_state	link_state;
@@ -841,6 +862,7 @@ struct dwc3 {
 	unsigned		rx_detect_poll_quirk:1;
 	unsigned		dis_u3_susphy_quirk:1;
 	unsigned		dis_u2_susphy_quirk:1;
+	unsigned		dis_enblslpm_quirk:1;
 
 	unsigned		tx_de_emphasis_quirk:1;
 	unsigned		tx_de_emphasis:2;
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index f62617999f3c..2cd33cb07ed9 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -27,6 +27,8 @@
 #include "platform_data.h"
 
 #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3	0xabcd
+#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI 0xabce
+#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31 0xabcf
 #define PCI_DEVICE_ID_INTEL_BYT		0x0f37
 #define PCI_DEVICE_ID_INTEL_MRFLD	0x119e
 #define PCI_DEVICE_ID_INTEL_BSW		0x22B7
@@ -106,6 +108,22 @@ static int dwc3_pci_quirks(struct pci_dev *pdev)
 		}
 	}
 
+	if (pdev->vendor == PCI_VENDOR_ID_SYNOPSYS &&
+	    (pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 ||
+	     pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI ||
+	     pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31)) {
+
+		struct dwc3_platform_data pdata;
+
+		memset(&pdata, 0, sizeof(pdata));
+		pdata.usb3_lpm_capable = true;
+		pdata.has_lpm_erratum = true;
+		pdata.dis_enblslpm_quirk = true;
+
+		return platform_device_add_data(pci_get_drvdata(pdev), &pdata,
+						sizeof(pdata));
+	}
+
 	return 0;
 }
 
@@ -178,6 +196,14 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
 		PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
 				PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
 	},
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
+				PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI),
+	},
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
+				PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31),
+	},
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 1e8bdf817811..9c38e4b0a262 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1872,27 +1872,32 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep,
 	unsigned int		i;
 	int			ret;
 
-	req = next_request(&dep->req_queued);
-	if (!req) {
-		WARN_ON_ONCE(1);
-		return 1;
-	}
-	i = 0;
 	do {
-		slot = req->start_slot + i;
-		if ((slot == DWC3_TRB_NUM - 1) &&
+		req = next_request(&dep->req_queued);
+		if (!req) {
+			WARN_ON_ONCE(1);
+			return 1;
+		}
+		i = 0;
+		do {
+			slot = req->start_slot + i;
+			if ((slot == DWC3_TRB_NUM - 1) &&
 				usb_endpoint_xfer_isoc(dep->endpoint.desc))
-			slot++;
-		slot %= DWC3_TRB_NUM;
-		trb = &dep->trb_pool[slot];
+				slot++;
+			slot %= DWC3_TRB_NUM;
+			trb = &dep->trb_pool[slot];
+
+			ret = __dwc3_cleanup_done_trbs(dwc, dep, req, trb,
+					event, status);
+			if (ret)
+				break;
+		} while (++i < req->request.num_mapped_sgs);
+
+		dwc3_gadget_giveback(dep, req, status);
 
-		ret = __dwc3_cleanup_done_trbs(dwc, dep, req, trb,
-				event, status);
 		if (ret)
 			break;
-	} while (++i < req->request.num_mapped_sgs);
-
-	dwc3_gadget_giveback(dep, req, status);
+	} while (1);
 
 	if (usb_endpoint_xfer_isoc(dep->endpoint.desc) &&
 			list_empty(&dep->req_queued)) {
@@ -2718,12 +2723,34 @@ int dwc3_gadget_init(struct dwc3 *dwc)
 	}
 
 	dwc->gadget.ops			= &dwc3_gadget_ops;
-	dwc->gadget.max_speed		= USB_SPEED_SUPER;
 	dwc->gadget.speed		= USB_SPEED_UNKNOWN;
 	dwc->gadget.sg_supported	= true;
 	dwc->gadget.name		= "dwc3-gadget";
 
 	/*
+	 * FIXME We might be setting max_speed to <SUPER, however versions
+	 * <2.20a of dwc3 have an issue with metastability (documented
+	 * elsewhere in this driver) which tells us we can't set max speed to
+	 * anything lower than SUPER.
+	 *
+	 * Because gadget.max_speed is only used by composite.c and function
+	 * drivers (i.e. it won't go into dwc3's registers) we are allowing this
+	 * to happen so we avoid sending SuperSpeed Capability descriptor
+	 * together with our BOS descriptor as that could confuse host into
+	 * thinking we can handle super speed.
+	 *
+	 * Note that, in fact, we won't even support GetBOS requests when speed
+	 * is less than super speed because we don't have means, yet, to tell
+	 * composite.c that we are USB 2.0 + LPM ECN.
+	 */
+	if (dwc->revision < DWC3_REVISION_220A)
+		dwc3_trace(trace_dwc3_gadget,
+				"Changing max_speed on rev %08x\n",
+				dwc->revision);
+
+	dwc->gadget.max_speed		= dwc->maximum_speed;
+
+	/*
 	 * Per databook, DWC3 needs buffer size to be aligned to MaxPacketSize
 	 * on ep out.
 	 */
diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h
index d3614ecbb9ca..db2938002260 100644
--- a/drivers/usb/dwc3/platform_data.h
+++ b/drivers/usb/dwc3/platform_data.h
@@ -42,6 +42,7 @@ struct dwc3_platform_data {
 	unsigned rx_detect_poll_quirk:1;
 	unsigned dis_u3_susphy_quirk:1;
 	unsigned dis_u2_susphy_quirk:1;
+	unsigned dis_enblslpm_quirk:1;
 
 	unsigned tx_de_emphasis_quirk:1;
 	unsigned tx_de_emphasis:2;
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index f0f2b066ac08..f92f5aff0dd5 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -1633,7 +1633,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid)
 	spin_lock(&udc->lock);
 
 	int_enb = usba_int_enb_get(udc);
-	status = usba_readl(udc, INT_STA) & int_enb;
+	status = usba_readl(udc, INT_STA) & (int_enb | USBA_HIGH_SPEED);
 	DBG(DBG_INT, "irq, status=%#08x\n", status);
 
 	if (status & USBA_DET_SUSPEND) {
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index cf0ed42f5591..6706aef907f4 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -1913,7 +1913,7 @@ static void defect7374_disable_data_eps(struct net2280 *dev)
 
 	for (i = 1; i < 5; i++) {
 		ep = &dev->ep[i];
-		writel(0, &ep->cfg->ep_cfg);
+		writel(i, &ep->cfg->ep_cfg);
 	}
 
 	/* CSROUT, CSRIN, PCIOUT, PCIIN, STATIN, RCIN */
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index bfcbb9aa8816..ee8d5faa0194 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -224,7 +224,8 @@ static int ehci_orion_drv_probe(struct platform_device *pdev)
 	priv->phy = devm_phy_optional_get(&pdev->dev, "usb");
 	if (IS_ERR(priv->phy)) {
 		err = PTR_ERR(priv->phy);
-		goto err_phy_get;
+		if (err != -ENOSYS)
+			goto err_phy_get;
 	} else {
 		err = phy_init(priv->phy);
 		if (err)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 97ffe3997273..fe9e2d3a223c 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3914,28 +3914,6 @@ cleanup:
 	return ret;
 }
 
-static int ep_ring_is_processing(struct xhci_hcd *xhci,
-		int slot_id, unsigned int ep_index)
-{
-	struct xhci_virt_device *xdev;
-	struct xhci_ring *ep_ring;
-	struct xhci_ep_ctx *ep_ctx;
-	struct xhci_virt_ep *xep;
-	dma_addr_t hw_deq;
-
-	xdev = xhci->devs[slot_id];
-	xep = &xhci->devs[slot_id]->eps[ep_index];
-	ep_ring = xep->ring;
-	ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index);
-
-	if ((le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK) != EP_STATE_RUNNING)
-		return 0;
-
-	hw_deq = le64_to_cpu(ep_ctx->deq) & ~EP_CTX_CYCLE_MASK;
-	return (hw_deq !=
-		xhci_trb_virt_to_dma(ep_ring->enq_seg, ep_ring->enqueue));
-}
-
 /*
  * Check transfer ring to guarantee there is enough room for the urb.
  * Update ISO URB start_frame and interval.
@@ -4001,10 +3979,12 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags,
 	}
 
 	/* Calculate the start frame and put it in urb->start_frame. */
-	if (HCC_CFC(xhci->hcc_params) &&
-			ep_ring_is_processing(xhci, slot_id, ep_index)) {
-		urb->start_frame = xep->next_frame_id;
-		goto skip_start_over;
+	if (HCC_CFC(xhci->hcc_params) && !list_empty(&ep_ring->td_list)) {
+		if ((le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK) ==
+				EP_STATE_RUNNING) {
+			urb->start_frame = xep->next_frame_id;
+			goto skip_start_over;
+		}
 	}
 
 	start_frame = readl(&xhci->run_regs->microframe_index);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 9957bd96d4bc..385f9f5d6715 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -175,6 +175,16 @@ int xhci_reset(struct xhci_hcd *xhci)
 	command |= CMD_RESET;
 	writel(command, &xhci->op_regs->command);
 
+	/* Existing Intel xHCI controllers require a delay of 1 mS,
+	 * after setting the CMD_RESET bit, and before accessing any
+	 * HC registers. This allows the HC to complete the
+	 * reset operation and be ready for HC register access.
+	 * Without this delay, the subsequent HC register access,
+	 * may result in a system hang very rarely.
+	 */
+	if (xhci->quirks & XHCI_INTEL_HOST)
+		udelay(1000);
+
 	ret = xhci_handshake(&xhci->op_regs->command,
 			CMD_RESET, 0, 10 * 1000 * 1000);
 	if (ret)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 4a518ff12310..2c624a10748d 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -132,7 +132,7 @@ static inline struct musb *dev_to_musb(struct device *dev)
 /*-------------------------------------------------------------------------*/
 
 #ifndef CONFIG_BLACKFIN
-static int musb_ulpi_read(struct usb_phy *phy, u32 offset)
+static int musb_ulpi_read(struct usb_phy *phy, u32 reg)
 {
 	void __iomem *addr = phy->io_priv;
 	int	i = 0;
@@ -151,7 +151,7 @@ static int musb_ulpi_read(struct usb_phy *phy, u32 offset)
 	 * ULPICarKitControlDisableUTMI after clearing POWER_SUSPENDM.
 	 */
 
-	musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)offset);
+	musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)reg);
 	musb_writeb(addr, MUSB_ULPI_REG_CONTROL,
 			MUSB_ULPI_REG_REQ | MUSB_ULPI_RDN_WR);
 
@@ -176,7 +176,7 @@ out:
 	return ret;
 }
 
-static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data)
+static int musb_ulpi_write(struct usb_phy *phy, u32 val, u32 reg)
 {
 	void __iomem *addr = phy->io_priv;
 	int	i = 0;
@@ -191,8 +191,8 @@ static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data)
 	power &= ~MUSB_POWER_SUSPENDM;
 	musb_writeb(addr, MUSB_POWER, power);
 
-	musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)offset);
-	musb_writeb(addr, MUSB_ULPI_REG_DATA, (u8)data);
+	musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)reg);
+	musb_writeb(addr, MUSB_ULPI_REG_DATA, (u8)val);
 	musb_writeb(addr, MUSB_ULPI_REG_CONTROL, MUSB_ULPI_REG_REQ);
 
 	while (!(musb_readb(addr, MUSB_ULPI_REG_CONTROL)
diff --git a/drivers/usb/phy/phy-omap-otg.c b/drivers/usb/phy/phy-omap-otg.c
index 1270906ccb95..c4bf2de6d14e 100644
--- a/drivers/usb/phy/phy-omap-otg.c
+++ b/drivers/usb/phy/phy-omap-otg.c
@@ -105,7 +105,6 @@ static int omap_otg_probe(struct platform_device *pdev)
 	extcon = extcon_get_extcon_dev(config->extcon);
 	if (!extcon)
 		return -EPROBE_DEFER;
-	otg_dev->extcon = extcon;
 
 	otg_dev = devm_kzalloc(&pdev->dev, sizeof(*otg_dev), GFP_KERNEL);
 	if (!otg_dev)
@@ -115,6 +114,7 @@ static int omap_otg_probe(struct platform_device *pdev)
 	if (IS_ERR(otg_dev->base))
 		return PTR_ERR(otg_dev->base);
 
+	otg_dev->extcon = extcon;
 	otg_dev->id_nb.notifier_call = omap_otg_id_notifier;
 	otg_dev->vbus_nb.notifier_call = omap_otg_vbus_notifier;
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 6956c4f62216..e945b5195258 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -162,6 +162,7 @@ static void option_instat_callback(struct urb *urb);
 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED	0x9001
 #define NOVATELWIRELESS_PRODUCT_E362		0x9010
 #define NOVATELWIRELESS_PRODUCT_E371		0x9011
+#define NOVATELWIRELESS_PRODUCT_U620L		0x9022
 #define NOVATELWIRELESS_PRODUCT_G2		0xA010
 #define NOVATELWIRELESS_PRODUCT_MC551		0xB001
 
@@ -357,6 +358,7 @@ static void option_instat_callback(struct urb *urb);
 /* This is the 4G XS Stick W14 a.k.a. Mobilcom Debitel Surf-Stick *
  * It seems to contain a Qualcomm QSC6240/6290 chipset            */
 #define FOUR_G_SYSTEMS_PRODUCT_W14		0x9603
+#define FOUR_G_SYSTEMS_PRODUCT_W100		0x9b01
 
 /* iBall 3.5G connect wireless modem */
 #define IBALL_3_5G_CONNECT			0x9605
@@ -522,6 +524,11 @@ static const struct option_blacklist_info four_g_w14_blacklist = {
 	.sendsetup = BIT(0) | BIT(1),
 };
 
+static const struct option_blacklist_info four_g_w100_blacklist = {
+	.sendsetup = BIT(1) | BIT(2),
+	.reserved = BIT(3),
+};
+
 static const struct option_blacklist_info alcatel_x200_blacklist = {
 	.sendsetup = BIT(0) | BIT(1),
 	.reserved = BIT(4),
@@ -1060,6 +1067,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E371, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U620L, 0xff, 0x00, 0x00) },
 
 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
@@ -1653,6 +1661,9 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
   	  .driver_info = (kernel_ulong_t)&four_g_w14_blacklist
   	},
+	{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W100),
+	  .driver_info = (kernel_ulong_t)&four_g_w100_blacklist
+	},
 	{ USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) },
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
 	{ USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index ebcec8cda858..514fa91cf74e 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -22,6 +22,8 @@
 #define DRIVER_AUTHOR "Qualcomm Inc"
 #define DRIVER_DESC "Qualcomm USB Serial driver"
 
+#define QUECTEL_EC20_PID	0x9215
+
 /* standard device layouts supported by this driver */
 enum qcserial_layouts {
 	QCSERIAL_G2K = 0,	/* Gobi 2000 */
@@ -153,6 +155,8 @@ static const struct usb_device_id id_table[] = {
 	{DEVICE_SWI(0x1199, 0x9056)},	/* Sierra Wireless Modem */
 	{DEVICE_SWI(0x1199, 0x9060)},	/* Sierra Wireless Modem */
 	{DEVICE_SWI(0x1199, 0x9061)},	/* Sierra Wireless Modem */
+	{DEVICE_SWI(0x1199, 0x9070)},	/* Sierra Wireless MC74xx/EM74xx */
+	{DEVICE_SWI(0x1199, 0x9071)},	/* Sierra Wireless MC74xx/EM74xx */
 	{DEVICE_SWI(0x413c, 0x81a2)},	/* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
 	{DEVICE_SWI(0x413c, 0x81a3)},	/* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
 	{DEVICE_SWI(0x413c, 0x81a4)},	/* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
@@ -167,6 +171,38 @@ static const struct usb_device_id id_table[] = {
 };
 MODULE_DEVICE_TABLE(usb, id_table);
 
+static int handle_quectel_ec20(struct device *dev, int ifnum)
+{
+	int altsetting = 0;
+
+	/*
+	 * Quectel EC20 Mini PCIe LTE module layout:
+	 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
+	 * 1: NMEA
+	 * 2: AT-capable modem port
+	 * 3: Modem interface
+	 * 4: NDIS
+	 */
+	switch (ifnum) {
+	case 0:
+		dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
+		break;
+	case 1:
+		dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
+		break;
+	case 2:
+	case 3:
+		dev_dbg(dev, "Quectel EC20 Modem port found\n");
+		break;
+	case 4:
+		/* Don't claim the QMI/net interface */
+		altsetting = -1;
+		break;
+	}
+
+	return altsetting;
+}
+
 static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 {
 	struct usb_host_interface *intf = serial->interface->cur_altsetting;
@@ -176,6 +212,10 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 	__u8 ifnum;
 	int altsetting = -1;
 
+	/* we only support vendor specific functions */
+	if (intf->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC)
+		goto done;
+
 	nintf = serial->dev->actconfig->desc.bNumInterfaces;
 	dev_dbg(dev, "Num Interfaces = %d\n", nintf);
 	ifnum = intf->desc.bInterfaceNumber;
@@ -235,6 +275,12 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 			altsetting = -1;
 		break;
 	case QCSERIAL_G2K:
+		/* handle non-standard layouts */
+		if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) {
+			altsetting = handle_quectel_ec20(dev, ifnum);
+			goto done;
+		}
+
 		/*
 		 * Gobi 2K+ USB layout:
 		 * 0: QMI/net
@@ -295,29 +341,39 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 		break;
 	case QCSERIAL_HWI:
 		/*
-		 * Huawei layout:
-		 * 0: AT-capable modem port
-		 * 1: DM/DIAG
-		 * 2: AT-capable modem port
-		 * 3: CCID-compatible PCSC interface
-		 * 4: QMI/net
-		 * 5: NMEA
+		 * Huawei devices map functions by subclass + protocol
+		 * instead of interface numbers. The protocol identify
+		 * a specific function, while the subclass indicate a
+		 * specific firmware source
+		 *
+		 * This is a blacklist of functions known to be
+		 * non-serial.  The rest are assumed to be serial and
+		 * will be handled by this driver
 		 */
-		switch (ifnum) {
-		case 0:
-		case 2:
-			dev_dbg(dev, "Modem port found\n");
-			break;
-		case 1:
-			dev_dbg(dev, "DM/DIAG interface found\n");
-			break;
-		case 5:
-			dev_dbg(dev, "NMEA GPS interface found\n");
-			break;
-		default:
-			/* don't claim any unsupported interface */
+		switch (intf->desc.bInterfaceProtocol) {
+			/* QMI combined (qmi_wwan) */
+		case 0x07:
+		case 0x37:
+		case 0x67:
+			/* QMI data (qmi_wwan) */
+		case 0x08:
+		case 0x38:
+		case 0x68:
+			/* QMI control (qmi_wwan) */
+		case 0x09:
+		case 0x39:
+		case 0x69:
+			/* NCM like (huawei_cdc_ncm) */
+		case 0x16:
+		case 0x46:
+		case 0x76:
 			altsetting = -1;
 			break;
+		default:
+			dev_dbg(dev, "Huawei type serial port found (%02x/%02x/%02x)\n",
+				intf->desc.bInterfaceClass,
+				intf->desc.bInterfaceSubClass,
+				intf->desc.bInterfaceProtocol);
 		}
 		break;
 	default:
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index e9da41d9fe7f..2694df2f4559 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -159,6 +159,7 @@ static const struct usb_device_id ti_id_table_3410[] = {
 	{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STEREO_PLUG_ID) },
 	{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) },
 	{ USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) },
+	{ USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) },
 	{ }	/* terminator */
 };
 
@@ -191,6 +192,7 @@ static const struct usb_device_id ti_id_table_combined[] = {
 	{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) },
 	{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) },
 	{ USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) },
+	{ USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) },
 	{ }	/* terminator */
 };
 
diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h
index 4a2423e84d55..98f35c656c02 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.h
+++ b/drivers/usb/serial/ti_usb_3410_5052.h
@@ -56,6 +56,10 @@
 #define ABBOTT_PRODUCT_ID		ABBOTT_STEREO_PLUG_ID
 #define ABBOTT_STRIP_PORT_ID		0x3420
 
+/* Honeywell vendor and product IDs */
+#define HONEYWELL_VENDOR_ID		0x10ac
+#define HONEYWELL_HGI80_PRODUCT_ID	0x0102  /* Honeywell HGI80 */
+
 /* Commands */
 #define TI_GET_VERSION			0x01
 #define TI_GET_PORT_STATUS		0x02
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 6cd5e65c4aff..fb236239972f 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -39,6 +39,7 @@
 #include <asm/irq.h>
 #include <asm/idle.h>
 #include <asm/io_apic.h>
+#include <asm/i8259.h>
 #include <asm/xen/pci.h>
 #include <xen/page.h>
 #endif
@@ -420,7 +421,7 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi)
 		return xen_allocate_irq_dynamic();
 
 	/* Legacy IRQ descriptors are already allocated by the arch. */
-	if (gsi < NR_IRQS_LEGACY)
+	if (gsi < nr_legacy_irqs())
 		irq = gsi;
 	else
 		irq = irq_alloc_desc_at(gsi, -1);
@@ -446,7 +447,7 @@ static void xen_free_irq(unsigned irq)
 	kfree(info);
 
 	/* Legacy IRQ descriptors are managed by the arch. */
-	if (irq < NR_IRQS_LEGACY)
+	if (irq < nr_legacy_irqs())
 		return;
 
 	irq_free_desc(irq);
diff --git a/fs/proc/array.c b/fs/proc/array.c
index f60f0121e331..eed2050db9be 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -375,7 +375,7 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
 static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
 			struct pid *pid, struct task_struct *task, int whole)
 {
-	unsigned long vsize, eip, esp, wchan = ~0UL;
+	unsigned long vsize, eip, esp, wchan = 0;
 	int priority, nice;
 	int tty_pgrp = -1, tty_nr = 0;
 	sigset_t sigign, sigcatch;
@@ -507,7 +507,19 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
 	seq_put_decimal_ull(m, ' ', task->blocked.sig[0] & 0x7fffffffUL);
 	seq_put_decimal_ull(m, ' ', sigign.sig[0] & 0x7fffffffUL);
 	seq_put_decimal_ull(m, ' ', sigcatch.sig[0] & 0x7fffffffUL);
-	seq_put_decimal_ull(m, ' ', wchan);
+
+	/*
+	 * We used to output the absolute kernel address, but that's an
+	 * information leak - so instead we show a 0/1 flag here, to signal
+	 * to user-space whether there's a wchan field in /proc/PID/wchan.
+	 *
+	 * This works with older implementations of procps as well.
+	 */
+	if (wchan)
+		seq_puts(m, " 1");
+	else
+		seq_puts(m, " 0");
+
 	seq_put_decimal_ull(m, ' ', 0);
 	seq_put_decimal_ull(m, ' ', 0);
 	seq_put_decimal_ll(m, ' ', task->exit_signal);
diff --git a/fs/proc/base.c b/fs/proc/base.c
index b25eee4cead5..29595af32866 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -430,13 +430,10 @@ static int proc_pid_wchan(struct seq_file *m, struct pid_namespace *ns,
 
 	wchan = get_wchan(task);
 
-	if (lookup_symbol_name(wchan, symname) < 0) {
-		if (!ptrace_may_access(task, PTRACE_MODE_READ))
-			return 0;
-		seq_printf(m, "%lu", wchan);
-	} else {
+	if (wchan && ptrace_may_access(task, PTRACE_MODE_READ) && !lookup_symbol_name(wchan, symname))
 		seq_printf(m, "%s", symname);
-	}
+	else
+		seq_putc(m, '0');
 
 	return 0;
 }
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 1bef9e21e725..e480f9fbdd62 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -442,6 +442,17 @@ static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)
 	     (vcpup = kvm_get_vcpu(kvm, idx)) != NULL; \
 	     idx++)
 
+static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id)
+{
+	struct kvm_vcpu *vcpu;
+	int i;
+
+	kvm_for_each_vcpu(i, vcpu, kvm)
+		if (vcpu->vcpu_id == id)
+			return vcpu;
+	return NULL;
+}
+
 #define kvm_for_each_memslot(memslot, slots)	\
 	for (memslot = &slots->memslots[0];	\
 	      memslot < slots->memslots + KVM_MEM_SLOTS_NUM && memslot->npages;\
diff --git a/include/linux/tty.h b/include/linux/tty.h
index d072ded41678..9bddda029b45 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -605,7 +605,7 @@ extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops);
 
 /* tty_audit.c */
 #ifdef CONFIG_AUDIT
-extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
+extern void tty_audit_add_data(struct tty_struct *tty, const void *data,
 			       size_t size, unsigned icanon);
 extern void tty_audit_exit(void);
 extern void tty_audit_fork(struct signal_struct *sig);
@@ -613,8 +613,8 @@ extern void tty_audit_tiocsti(struct tty_struct *tty, char ch);
 extern void tty_audit_push(struct tty_struct *tty);
 extern int tty_audit_push_current(void);
 #else
-static inline void tty_audit_add_data(struct tty_struct *tty,
-		unsigned char *data, size_t size, unsigned icanon)
+static inline void tty_audit_add_data(struct tty_struct *tty, const void *data,
+				      size_t size, unsigned icanon)
 {
 }
 static inline void tty_audit_tiocsti(struct tty_struct *tty, char ch)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 9e1a59e01fa2..544a0201abdb 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -469,6 +469,7 @@ struct hci_conn {
 	struct delayed_work auto_accept_work;
 	struct delayed_work idle_work;
 	struct delayed_work le_conn_timeout;
+	struct work_struct  le_scan_cleanup;
 
 	struct device	dev;
 	struct dentry	*debugfs;
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index ce009710120c..6816f0fa5693 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -63,12 +63,13 @@ static inline struct metadata_dst *tun_rx_dst(int md_size)
 static inline struct metadata_dst *tun_dst_unclone(struct sk_buff *skb)
 {
 	struct metadata_dst *md_dst = skb_metadata_dst(skb);
-	int md_size = md_dst->u.tun_info.options_len;
+	int md_size;
 	struct metadata_dst *new_md;
 
 	if (!md_dst)
 		return ERR_PTR(-EINVAL);
 
+	md_size = md_dst->u.tun_info.options_len;
 	new_md = metadata_dst_alloc(md_size, GFP_ATOMIC);
 	if (!new_md)
 		return ERR_PTR(-ENOMEM);
diff --git a/include/net/inet_common.h b/include/net/inet_common.h
index 279f83591971..109e3ee9108c 100644
--- a/include/net/inet_common.h
+++ b/include/net/inet_common.h
@@ -41,7 +41,8 @@ int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,
 
 static inline void inet_ctl_sock_destroy(struct sock *sk)
 {
-	sock_release(sk->sk_socket);
+	if (sk)
+		sock_release(sk->sk_socket);
 }
 
 #endif
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 727d6e9a9685..965fa5b1a274 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -317,7 +317,7 @@ void fib_flush_external(struct net *net);
 
 /* Exported by fib_semantics.c */
 int ip_fib_check_default(__be32 gw, struct net_device *dev);
-int fib_sync_down_dev(struct net_device *dev, unsigned long event);
+int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force);
 int fib_sync_down_addr(struct net *net, __be32 local);
 int fib_sync_up(struct net_device *dev, unsigned int nh_flags);
 void fib_select_multipath(struct fib_result *res);
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 2dda439c8cb8..ec4836f243bc 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -137,18 +137,51 @@ static void hci_conn_cleanup(struct hci_conn *conn)
 	hci_conn_put(conn);
 }
 
-/* This function requires the caller holds hdev->lock */
-static void hci_connect_le_scan_remove(struct hci_conn *conn)
+static void le_scan_cleanup(struct work_struct *work)
 {
-	hci_connect_le_scan_cleanup(conn);
+	struct hci_conn *conn = container_of(work, struct hci_conn,
+					     le_scan_cleanup);
+	struct hci_dev *hdev = conn->hdev;
+	struct hci_conn *c = NULL;
 
-	/* We can't call hci_conn_del here since that would deadlock
-	 * with trying to call cancel_delayed_work_sync(&conn->disc_work).
-	 * Instead, call just hci_conn_cleanup() which contains the bare
-	 * minimum cleanup operations needed for a connection in this
-	 * state.
+	BT_DBG("%s hcon %p", hdev->name, conn);
+
+	hci_dev_lock(hdev);
+
+	/* Check that the hci_conn is still around */
+	rcu_read_lock();
+	list_for_each_entry_rcu(c, &hdev->conn_hash.list, list) {
+		if (c == conn)
+			break;
+	}
+	rcu_read_unlock();
+
+	if (c == conn) {
+		hci_connect_le_scan_cleanup(conn);
+		hci_conn_cleanup(conn);
+	}
+
+	hci_dev_unlock(hdev);
+	hci_dev_put(hdev);
+	hci_conn_put(conn);
+}
+
+static void hci_connect_le_scan_remove(struct hci_conn *conn)
+{
+	BT_DBG("%s hcon %p", conn->hdev->name, conn);
+
+	/* We can't call hci_conn_del/hci_conn_cleanup here since that
+	 * could deadlock with another hci_conn_del() call that's holding
+	 * hci_dev_lock and doing cancel_delayed_work_sync(&conn->disc_work).
+	 * Instead, grab temporary extra references to the hci_dev and
+	 * hci_conn and perform the necessary cleanup in a separate work
+	 * callback.
 	 */
-	hci_conn_cleanup(conn);
+
+	hci_dev_hold(conn->hdev);
+	hci_conn_get(conn);
+
+	schedule_work(&conn->le_scan_cleanup);
 }
 
 static void hci_acl_create_connection(struct hci_conn *conn)
@@ -580,6 +613,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
 	INIT_DELAYED_WORK(&conn->auto_accept_work, hci_conn_auto_accept);
 	INIT_DELAYED_WORK(&conn->idle_work, hci_conn_idle);
 	INIT_DELAYED_WORK(&conn->le_conn_timeout, le_conn_timeout);
+	INIT_WORK(&conn->le_scan_cleanup, le_scan_cleanup);
 
 	atomic_set(&conn->refcnt, 0);
 
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index f1a117f8cad2..0bec4588c3c8 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -401,6 +401,20 @@ static void hidp_idle_timeout(unsigned long arg)
 {
 	struct hidp_session *session = (struct hidp_session *) arg;
 
+	/* The HIDP user-space API only contains calls to add and remove
+	 * devices. There is no way to forward events of any kind. Therefore,
+	 * we have to forcefully disconnect a device on idle-timeouts. This is
+	 * unfortunate and weird API design, but it is spec-compliant and
+	 * required for backwards-compatibility. Hence, on idle-timeout, we
+	 * signal driver-detach events, so poll() will be woken up with an
+	 * error-condition on both sockets.
+	 */
+
+	session->intr_sock->sk->sk_err = EUNATCH;
+	session->ctrl_sock->sk->sk_err = EUNATCH;
+	wake_up_interruptible(sk_sleep(session->intr_sock->sk));
+	wake_up_interruptible(sk_sleep(session->ctrl_sock->sk));
+
 	hidp_session_terminate(session);
 }
 
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index c4fe2fee753f..72c9376ec03c 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -3090,6 +3090,11 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
 	} else {
 		u8 addr_type;
 
+		if (cp->addr.type == BDADDR_LE_PUBLIC)
+			addr_type = ADDR_LE_DEV_PUBLIC;
+		else
+			addr_type = ADDR_LE_DEV_RANDOM;
+
 		conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
 					       &cp->addr.bdaddr);
 		if (conn) {
@@ -3105,13 +3110,10 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
 			 */
 			if (!cp->disconnect)
 				conn = NULL;
+		} else {
+			hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
 		}
 
-		if (cp->addr.type == BDADDR_LE_PUBLIC)
-			addr_type = ADDR_LE_DEV_PUBLIC;
-		else
-			addr_type = ADDR_LE_DEV_RANDOM;
-
 		hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
 
 		err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
diff --git a/net/core/dst.c b/net/core/dst.c
index 0771c8cb9307..d6a5a0bc7df5 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -306,7 +306,7 @@ void dst_release(struct dst_entry *dst)
 		if (unlikely(newrefcnt < 0))
 			net_warn_ratelimited("%s: dst:%p refcnt:%d\n",
 					     __func__, dst, newrefcnt);
-		if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt)
+		if (!newrefcnt && unlikely(dst->flags & DST_NOCACHE))
 			call_rcu(&dst->rcu_head, dst_destroy_rcu);
 	}
 }
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 690bcbc59f26..457b2cd75b85 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1110,9 +1110,10 @@ static void nl_fib_lookup_exit(struct net *net)
 	net->ipv4.fibnl = NULL;
 }
 
-static void fib_disable_ip(struct net_device *dev, unsigned long event)
+static void fib_disable_ip(struct net_device *dev, unsigned long event,
+			   bool force)
 {
-	if (fib_sync_down_dev(dev, event))
+	if (fib_sync_down_dev(dev, event, force))
 		fib_flush(dev_net(dev));
 	rt_cache_flush(dev_net(dev));
 	arp_ifdown(dev);
@@ -1140,7 +1141,7 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
 			/* Last address was deleted from this interface.
 			 * Disable IP.
 			 */
-			fib_disable_ip(dev, event);
+			fib_disable_ip(dev, event, true);
 		} else {
 			rt_cache_flush(dev_net(dev));
 		}
@@ -1157,7 +1158,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
 	unsigned int flags;
 
 	if (event == NETDEV_UNREGISTER) {
-		fib_disable_ip(dev, event);
+		fib_disable_ip(dev, event, true);
 		rt_flush_dev(dev);
 		return NOTIFY_DONE;
 	}
@@ -1178,14 +1179,14 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
 		rt_cache_flush(net);
 		break;
 	case NETDEV_DOWN:
-		fib_disable_ip(dev, event);
+		fib_disable_ip(dev, event, false);
 		break;
 	case NETDEV_CHANGE:
 		flags = dev_get_flags(dev);
 		if (flags & (IFF_RUNNING | IFF_LOWER_UP))
 			fib_sync_up(dev, RTNH_F_LINKDOWN);
 		else
-			fib_sync_down_dev(dev, event);
+			fib_sync_down_dev(dev, event, false);
 		/* fall through */
 	case NETDEV_CHANGEMTU:
 		rt_cache_flush(net);
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 064bd3caaa4f..ef5892f5e046 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -864,14 +864,21 @@ static bool fib_valid_prefsrc(struct fib_config *cfg, __be32 fib_prefsrc)
 	if (cfg->fc_type != RTN_LOCAL || !cfg->fc_dst ||
 	    fib_prefsrc != cfg->fc_dst) {
 		u32 tb_id = cfg->fc_table;
+		int rc;
 
 		if (tb_id == RT_TABLE_MAIN)
 			tb_id = RT_TABLE_LOCAL;
 
-		if (inet_addr_type_table(cfg->fc_nlinfo.nl_net,
-					 fib_prefsrc, tb_id) != RTN_LOCAL) {
-			return false;
+		rc = inet_addr_type_table(cfg->fc_nlinfo.nl_net,
+					  fib_prefsrc, tb_id);
+
+		if (rc != RTN_LOCAL && tb_id != RT_TABLE_LOCAL) {
+			rc = inet_addr_type_table(cfg->fc_nlinfo.nl_net,
+						  fib_prefsrc, RT_TABLE_LOCAL);
 		}
+
+		if (rc != RTN_LOCAL)
+			return false;
 	}
 	return true;
 }
@@ -1281,7 +1288,13 @@ int fib_sync_down_addr(struct net *net, __be32 local)
 	return ret;
 }
 
-int fib_sync_down_dev(struct net_device *dev, unsigned long event)
+/* Event              force Flags           Description
+ * NETDEV_CHANGE      0     LINKDOWN        Carrier OFF, not for scope host
+ * NETDEV_DOWN        0     LINKDOWN|DEAD   Link down, not for scope host
+ * NETDEV_DOWN        1     LINKDOWN|DEAD   Last address removed
+ * NETDEV_UNREGISTER  1     LINKDOWN|DEAD   Device removed
+ */
+int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force)
 {
 	int ret = 0;
 	int scope = RT_SCOPE_NOWHERE;
@@ -1290,8 +1303,7 @@ int fib_sync_down_dev(struct net_device *dev, unsigned long event)
 	struct hlist_head *head = &fib_info_devhash[hash];
 	struct fib_nh *nh;
 
-	if (event == NETDEV_UNREGISTER ||
-	    event == NETDEV_DOWN)
+	if (force)
 		scope = -1;
 
 	hlist_for_each_entry(nh, head, nh_hash) {
@@ -1440,6 +1452,13 @@ int fib_sync_up(struct net_device *dev, unsigned int nh_flags)
 	if (!(dev->flags & IFF_UP))
 		return 0;
 
+	if (nh_flags & RTNH_F_DEAD) {
+		unsigned int flags = dev_get_flags(dev);
+
+		if (flags & (IFF_RUNNING | IFF_LOWER_UP))
+			nh_flags |= RTNH_F_LINKDOWN;
+	}
+
 	prev_fi = NULL;
 	hash = fib_devindex_hashfn(dev->ifindex);
 	head = &fib_info_devhash[hash];
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 866ee89f5254..8e8203d5c520 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1682,8 +1682,8 @@ static inline int ipmr_forward_finish(struct sock *sk, struct sk_buff *skb)
 {
 	struct ip_options *opt = &(IPCB(skb)->opt);
 
-	IP_INC_STATS_BH(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
-	IP_ADD_STATS_BH(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTOCTETS, skb->len);
+	IP_INC_STATS(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
+	IP_ADD_STATS(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTOCTETS, skb->len);
 
 	if (unlikely(opt->optlen))
 		ip_forward_options(skb);
@@ -1745,7 +1745,7 @@ static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt,
 		 * to blackhole.
 		 */
 
-		IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_FRAGFAILS);
+		IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGFAILS);
 		ip_rt_put(rt);
 		goto out_free;
 	}
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 894da3a70aff..ade773744b98 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -48,14 +48,14 @@ static void set_local_port_range(struct net *net, int range[2])
 {
 	bool same_parity = !((range[0] ^ range[1]) & 1);
 
-	write_seqlock(&net->ipv4.ip_local_ports.lock);
+	write_seqlock_bh(&net->ipv4.ip_local_ports.lock);
 	if (same_parity && !net->ipv4.ip_local_ports.warned) {
 		net->ipv4.ip_local_ports.warned = true;
 		pr_err_ratelimited("ip_local_port_range: prefer different parity for start/end values.\n");
 	}
 	net->ipv4.ip_local_ports.range[0] = range[0];
 	net->ipv4.ip_local_ports.range[1] = range[1];
-	write_sequnlock(&net->ipv4.ip_local_ports.lock);
+	write_sequnlock_bh(&net->ipv4.ip_local_ports.lock);
 }
 
 /* Validate changes from /proc interface. */
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 36b85bd05ac8..dd00828863a0 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -417,6 +417,7 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
 	if (err) {
 		ipv6_mc_destroy_dev(ndev);
 		del_timer(&ndev->regen_timer);
+		snmp6_unregister_dev(ndev);
 		goto err_release;
 	}
 	/* protected by rtnl_lock */
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 94428fd85b2f..dcccae86190f 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1394,34 +1394,20 @@ static int ipip6_tunnel_init(struct net_device *dev)
 	return 0;
 }
 
-static int __net_init ipip6_fb_tunnel_init(struct net_device *dev)
+static void __net_init ipip6_fb_tunnel_init(struct net_device *dev)
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 	struct iphdr *iph = &tunnel->parms.iph;
 	struct net *net = dev_net(dev);
 	struct sit_net *sitn = net_generic(net, sit_net_id);
 
-	tunnel->dev = dev;
-	tunnel->net = dev_net(dev);
-
 	iph->version		= 4;
 	iph->protocol		= IPPROTO_IPV6;
 	iph->ihl		= 5;
 	iph->ttl		= 64;
 
-	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
-	if (!dev->tstats)
-		return -ENOMEM;
-
-	tunnel->dst_cache = alloc_percpu(struct ip_tunnel_dst);
-	if (!tunnel->dst_cache) {
-		free_percpu(dev->tstats);
-		return -ENOMEM;
-	}
-
 	dev_hold(dev);
 	rcu_assign_pointer(sitn->tunnels_wc[0], tunnel);
-	return 0;
 }
 
 static int ipip6_validate(struct nlattr *tb[], struct nlattr *data[])
@@ -1831,23 +1817,19 @@ static int __net_init sit_init_net(struct net *net)
 	 */
 	sitn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;
 
-	err = ipip6_fb_tunnel_init(sitn->fb_tunnel_dev);
-	if (err)
-		goto err_dev_free;
-
-	ipip6_tunnel_clone_6rd(sitn->fb_tunnel_dev, sitn);
 	err = register_netdev(sitn->fb_tunnel_dev);
 	if (err)
 		goto err_reg_dev;
 
+	ipip6_tunnel_clone_6rd(sitn->fb_tunnel_dev, sitn);
+	ipip6_fb_tunnel_init(sitn->fb_tunnel_dev);
+
 	t = netdev_priv(sitn->fb_tunnel_dev);
 
 	strcpy(t->parms.name, sitn->fb_tunnel_dev->name);
 	return 0;
 
 err_reg_dev:
-	dev_put(sitn->fb_tunnel_dev);
-err_dev_free:
 	ipip6_dev_free(sitn->fb_tunnel_dev);
 err_alloc_dev:
 	return err;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index cd7e55e08a23..d011bc539197 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3391,7 +3391,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
 
 	if (ifmgd->rssi_min_thold != ifmgd->rssi_max_thold &&
 	    ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) {
-		int sig = ifmgd->ave_beacon_signal;
+		int sig = ifmgd->ave_beacon_signal / 16;
 		int last_sig = ifmgd->last_ave_beacon_signal;
 		struct ieee80211_event event = {
 			.type = RSSI_EVENT,
@@ -5028,6 +5028,25 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
 		return 0;
 	}
 
+	if (ifmgd->assoc_data &&
+	    ether_addr_equal(ifmgd->assoc_data->bss->bssid, req->bssid)) {
+		sdata_info(sdata,
+			   "aborting association with %pM by local choice (Reason: %u=%s)\n",
+			   req->bssid, req->reason_code,
+			   ieee80211_get_reason_code_string(req->reason_code));
+
+		drv_mgd_prepare_tx(sdata->local, sdata);
+		ieee80211_send_deauth_disassoc(sdata, req->bssid,
+					       IEEE80211_STYPE_DEAUTH,
+					       req->reason_code, tx,
+					       frame_buf);
+		ieee80211_destroy_assoc_data(sdata, false);
+		ieee80211_report_disconnect(sdata, frame_buf,
+					    sizeof(frame_buf), true,
+					    req->reason_code);
+		return 0;
+	}
+
 	if (ifmgd->associated &&
 	    ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
 		sdata_info(sdata,
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 6f14591d8ca9..0b13bfa6f32f 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -33,11 +33,11 @@
 			__field(u32, chan_width)					\
 			__field(u32, center_freq1)					\
 			__field(u32, center_freq2)
-#define CHANDEF_ASSIGN(c)								\
-			__entry->control_freq = (c)->chan ? (c)->chan->center_freq : 0;	\
-			__entry->chan_width = (c)->width;				\
-			__entry->center_freq1 = (c)->center_freq1;			\
-			__entry->center_freq2 = (c)->center_freq2;
+#define CHANDEF_ASSIGN(c)							\
+			__entry->control_freq = (c) ? ((c)->chan ? (c)->chan->center_freq : 0) : 0;	\
+			__entry->chan_width = (c) ? (c)->width : 0;			\
+			__entry->center_freq1 = (c) ? (c)->center_freq1 : 0;		\
+			__entry->center_freq2 = (c) ? (c)->center_freq2 : 0;
 #define CHANDEF_PR_FMT	" control:%d MHz width:%d center: %d/%d MHz"
 #define CHANDEF_PR_ARG	__entry->control_freq, __entry->chan_width,			\
 			__entry->center_freq1, __entry->center_freq2
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 1104421bc525..cd90ece80772 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2951,6 +2951,13 @@ ieee80211_extend_noa_desc(struct ieee80211_noa_data *data, u32 tsf, int i)
 	if (end > 0)
 		return false;
 
+	/* One shot NOA  */
+	if (data->count[i] == 1)
+		return false;
+
+	if (data->desc[i].interval == 0)
+		return false;
+
 	/* End time is in the past, check for repetitions */
 	skip = DIV_ROUND_UP(-end, data->desc[i].interval);
 	if (data->count[i] < 255) {
diff --git a/net/nfc/nci/hci.c b/net/nfc/nci/hci.c
index 609f92283d1b..30b09f04c142 100644
--- a/net/nfc/nci/hci.c
+++ b/net/nfc/nci/hci.c
@@ -101,6 +101,20 @@ struct nci_hcp_packet {
 #define NCI_HCP_MSG_GET_CMD(header)  (header & 0x3f)
 #define NCI_HCP_MSG_GET_PIPE(header) (header & 0x7f)
 
+static int nci_hci_result_to_errno(u8 result)
+{
+	switch (result) {
+	case NCI_HCI_ANY_OK:
+		return 0;
+	case NCI_HCI_ANY_E_REG_PAR_UNKNOWN:
+		return -EOPNOTSUPP;
+	case NCI_HCI_ANY_E_TIMEOUT:
+		return -ETIME;
+	default:
+		return -1;
+	}
+}
+
 /* HCI core */
 static void nci_hci_reset_pipes(struct nci_hci_dev *hdev)
 {
@@ -146,18 +160,18 @@ static int nci_hci_send_data(struct nci_dev *ndev, u8 pipe,
 	if (!conn_info)
 		return -EPROTO;
 
-	skb = nci_skb_alloc(ndev, 2 + conn_info->max_pkt_payload_len +
+	i = 0;
+	skb = nci_skb_alloc(ndev, conn_info->max_pkt_payload_len +
 			    NCI_DATA_HDR_SIZE, GFP_KERNEL);
 	if (!skb)
 		return -ENOMEM;
 
-	skb_reserve(skb, 2 + NCI_DATA_HDR_SIZE);
+	skb_reserve(skb, NCI_DATA_HDR_SIZE + 2);
 	*skb_push(skb, 1) = data_type;
 
-	i = 0;
-	len = conn_info->max_pkt_payload_len;
-
 	do {
+		len = conn_info->max_pkt_payload_len;
+
 		/* If last packet add NCI_HFP_NO_CHAINING */
 		if (i + conn_info->max_pkt_payload_len -
 		    (skb->len + 1) >= data_len) {
@@ -177,9 +191,15 @@ static int nci_hci_send_data(struct nci_dev *ndev, u8 pipe,
 			return r;
 
 		i += len;
+
 		if (i < data_len) {
-			skb_trim(skb, 0);
-			skb_pull(skb, len);
+			skb = nci_skb_alloc(ndev,
+					    conn_info->max_pkt_payload_len +
+					    NCI_DATA_HDR_SIZE, GFP_KERNEL);
+			if (!skb)
+				return -ENOMEM;
+
+			skb_reserve(skb, NCI_DATA_HDR_SIZE + 1);
 		}
 	} while (i < data_len);
 
@@ -212,7 +232,8 @@ int nci_hci_send_cmd(struct nci_dev *ndev, u8 gate, u8 cmd,
 		     const u8 *param, size_t param_len,
 		     struct sk_buff **skb)
 {
-	struct nci_conn_info    *conn_info;
+	struct nci_hcp_message *message;
+	struct nci_conn_info   *conn_info;
 	struct nci_data data;
 	int r;
 	u8 pipe = ndev->hci_dev->gate2pipe[gate];
@@ -232,9 +253,15 @@ int nci_hci_send_cmd(struct nci_dev *ndev, u8 gate, u8 cmd,
 
 	r = nci_request(ndev, nci_hci_send_data_req, (unsigned long)&data,
 			msecs_to_jiffies(NCI_DATA_TIMEOUT));
-
-	if (r == NCI_STATUS_OK && skb)
-		*skb = conn_info->rx_skb;
+	if (r == NCI_STATUS_OK) {
+		message = (struct nci_hcp_message *)conn_info->rx_skb->data;
+		r = nci_hci_result_to_errno(
+			NCI_HCP_MSG_GET_CMD(message->header));
+		skb_pull(conn_info->rx_skb, NCI_HCI_HCP_MESSAGE_HEADER_LEN);
+
+		if (!r && skb)
+			*skb = conn_info->rx_skb;
+	}
 
 	return r;
 }
@@ -328,9 +355,6 @@ static void nci_hci_resp_received(struct nci_dev *ndev, u8 pipe,
 	struct nci_conn_info    *conn_info;
 	u8 status = result;
 
-	if (result != NCI_HCI_ANY_OK)
-		goto exit;
-
 	conn_info = ndev->hci_dev->conn_info;
 	if (!conn_info) {
 		status = NCI_STATUS_REJECTED;
@@ -340,7 +364,7 @@ static void nci_hci_resp_received(struct nci_dev *ndev, u8 pipe,
 	conn_info->rx_skb = skb;
 
 exit:
-	nci_req_complete(ndev, status);
+	nci_req_complete(ndev, NCI_STATUS_OK);
 }
 
 /* Receive hcp message for pipe, with type and cmd.
@@ -378,7 +402,7 @@ static void nci_hci_msg_rx_work(struct work_struct *work)
 	u8 pipe, type, instruction;
 
 	while ((skb = skb_dequeue(&hdev->msg_rx_queue)) != NULL) {
-		pipe = skb->data[0];
+		pipe = NCI_HCP_MSG_GET_PIPE(skb->data[0]);
 		skb_pull(skb, NCI_HCI_HCP_PACKET_HEADER_LEN);
 		message = (struct nci_hcp_message *)skb->data;
 		type = NCI_HCP_MSG_GET_TYPE(message->header);
@@ -395,7 +419,7 @@ void nci_hci_data_received_cb(void *context,
 {
 	struct nci_dev *ndev = (struct nci_dev *)context;
 	struct nci_hcp_packet *packet;
-	u8 pipe, type, instruction;
+	u8 pipe, type;
 	struct sk_buff *hcp_skb;
 	struct sk_buff *frag_skb;
 	int msg_len;
@@ -415,7 +439,7 @@ void nci_hci_data_received_cb(void *context,
 
 	/* it's the last fragment. Does it need re-aggregation? */
 	if (skb_queue_len(&ndev->hci_dev->rx_hcp_frags)) {
-		pipe = packet->header & NCI_HCI_FRAGMENT;
+		pipe = NCI_HCP_MSG_GET_PIPE(packet->header);
 		skb_queue_tail(&ndev->hci_dev->rx_hcp_frags, skb);
 
 		msg_len = 0;
@@ -434,7 +458,7 @@ void nci_hci_data_received_cb(void *context,
 		*skb_put(hcp_skb, NCI_HCI_HCP_PACKET_HEADER_LEN) = pipe;
 
 		skb_queue_walk(&ndev->hci_dev->rx_hcp_frags, frag_skb) {
-		       msg_len = frag_skb->len - NCI_HCI_HCP_PACKET_HEADER_LEN;
+			msg_len = frag_skb->len - NCI_HCI_HCP_PACKET_HEADER_LEN;
 			memcpy(skb_put(hcp_skb, msg_len), frag_skb->data +
 			       NCI_HCI_HCP_PACKET_HEADER_LEN, msg_len);
 		}
@@ -452,11 +476,10 @@ void nci_hci_data_received_cb(void *context,
 	packet = (struct nci_hcp_packet *)hcp_skb->data;
 	type = NCI_HCP_MSG_GET_TYPE(packet->message.header);
 	if (type == NCI_HCI_HCP_RESPONSE) {
-		pipe = packet->header;
-		instruction = NCI_HCP_MSG_GET_CMD(packet->message.header);
-		skb_pull(hcp_skb, NCI_HCI_HCP_PACKET_HEADER_LEN +
-			 NCI_HCI_HCP_MESSAGE_HEADER_LEN);
-		nci_hci_hcp_message_rx(ndev, pipe, type, instruction, hcp_skb);
+		pipe = NCI_HCP_MSG_GET_PIPE(packet->header);
+		skb_pull(hcp_skb, NCI_HCI_HCP_PACKET_HEADER_LEN);
+		nci_hci_hcp_message_rx(ndev, pipe, type,
+				       NCI_STATUS_OK, hcp_skb);
 	} else {
 		skb_queue_tail(&ndev->hci_dev->msg_rx_queue, hcp_skb);
 		schedule_work(&ndev->hci_dev->msg_rx_work);
@@ -488,6 +511,7 @@ EXPORT_SYMBOL(nci_hci_open_pipe);
 int nci_hci_set_param(struct nci_dev *ndev, u8 gate, u8 idx,
 		      const u8 *param, size_t param_len)
 {
+	struct nci_hcp_message *message;
 	struct nci_conn_info *conn_info;
 	struct nci_data data;
 	int r;
@@ -520,6 +544,12 @@ int nci_hci_set_param(struct nci_dev *ndev, u8 gate, u8 idx,
 	r = nci_request(ndev, nci_hci_send_data_req,
 			(unsigned long)&data,
 			msecs_to_jiffies(NCI_DATA_TIMEOUT));
+	if (r == NCI_STATUS_OK) {
+		message = (struct nci_hcp_message *)conn_info->rx_skb->data;
+		r = nci_hci_result_to_errno(
+			NCI_HCP_MSG_GET_CMD(message->header));
+		skb_pull(conn_info->rx_skb, NCI_HCI_HCP_MESSAGE_HEADER_LEN);
+	}
 
 	kfree(tmp);
 	return r;
@@ -529,6 +559,7 @@ EXPORT_SYMBOL(nci_hci_set_param);
 int nci_hci_get_param(struct nci_dev *ndev, u8 gate, u8 idx,
 		      struct sk_buff **skb)
 {
+	struct nci_hcp_message *message;
 	struct nci_conn_info    *conn_info;
 	struct nci_data data;
 	int r;
@@ -553,8 +584,15 @@ int nci_hci_get_param(struct nci_dev *ndev, u8 gate, u8 idx,
 	r = nci_request(ndev, nci_hci_send_data_req, (unsigned long)&data,
 			msecs_to_jiffies(NCI_DATA_TIMEOUT));
 
-	if (r == NCI_STATUS_OK)
-		*skb = conn_info->rx_skb;
+	if (r == NCI_STATUS_OK) {
+		message = (struct nci_hcp_message *)conn_info->rx_skb->data;
+		r = nci_hci_result_to_errno(
+			NCI_HCP_MSG_GET_CMD(message->header));
+		skb_pull(conn_info->rx_skb, NCI_HCI_HCP_MESSAGE_HEADER_LEN);
+
+		if (!r && skb)
+			*skb = conn_info->rx_skb;
+	}
 
 	return r;
 }
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index aa4b15c35884..27b2898f275c 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2903,22 +2903,40 @@ static int packet_release(struct socket *sock)
  *	Attach a packet hook.
  */
 
-static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto)
+static int packet_do_bind(struct sock *sk, const char *name, int ifindex,
+			  __be16 proto)
 {
 	struct packet_sock *po = pkt_sk(sk);
 	struct net_device *dev_curr;
 	__be16 proto_curr;
 	bool need_rehook;
+	struct net_device *dev = NULL;
+	int ret = 0;
+	bool unlisted = false;
 
-	if (po->fanout) {
-		if (dev)
-			dev_put(dev);
-
+	if (po->fanout)
 		return -EINVAL;
-	}
 
 	lock_sock(sk);
 	spin_lock(&po->bind_lock);
+	rcu_read_lock();
+
+	if (name) {
+		dev = dev_get_by_name_rcu(sock_net(sk), name);
+		if (!dev) {
+			ret = -ENODEV;
+			goto out_unlock;
+		}
+	} else if (ifindex) {
+		dev = dev_get_by_index_rcu(sock_net(sk), ifindex);
+		if (!dev) {
+			ret = -ENODEV;
+			goto out_unlock;
+		}
+	}
+
+	if (dev)
+		dev_hold(dev);
 
 	proto_curr = po->prot_hook.type;
 	dev_curr = po->prot_hook.dev;
@@ -2926,14 +2944,29 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto)
 	need_rehook = proto_curr != proto || dev_curr != dev;
 
 	if (need_rehook) {
-		unregister_prot_hook(sk, true);
+		if (po->running) {
+			rcu_read_unlock();
+			__unregister_prot_hook(sk, true);
+			rcu_read_lock();
+			dev_curr = po->prot_hook.dev;
+			if (dev)
+				unlisted = !dev_get_by_index_rcu(sock_net(sk),
+								 dev->ifindex);
+		}
 
 		po->num = proto;
 		po->prot_hook.type = proto;
-		po->prot_hook.dev = dev;
 
-		po->ifindex = dev ? dev->ifindex : 0;
-		packet_cached_dev_assign(po, dev);
+		if (unlikely(unlisted)) {
+			dev_put(dev);
+			po->prot_hook.dev = NULL;
+			po->ifindex = -1;
+			packet_cached_dev_reset(po);
+		} else {
+			po->prot_hook.dev = dev;
+			po->ifindex = dev ? dev->ifindex : 0;
+			packet_cached_dev_assign(po, dev);
+		}
 	}
 	if (dev_curr)
 		dev_put(dev_curr);
@@ -2941,7 +2974,7 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto)
 	if (proto == 0 || !need_rehook)
 		goto out_unlock;
 
-	if (!dev || (dev->flags & IFF_UP)) {
+	if (!unlisted && (!dev || (dev->flags & IFF_UP))) {
 		register_prot_hook(sk);
 	} else {
 		sk->sk_err = ENETDOWN;
@@ -2950,9 +2983,10 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto)
 	}
 
 out_unlock:
+	rcu_read_unlock();
 	spin_unlock(&po->bind_lock);
 	release_sock(sk);
-	return 0;
+	return ret;
 }
 
 /*
@@ -2964,8 +2998,6 @@ static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr,
 {
 	struct sock *sk = sock->sk;
 	char name[15];
-	struct net_device *dev;
-	int err = -ENODEV;
 
 	/*
 	 *	Check legality
@@ -2975,19 +3007,13 @@ static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr,
 		return -EINVAL;
 	strlcpy(name, uaddr->sa_data, sizeof(name));
 
-	dev = dev_get_by_name(sock_net(sk), name);
-	if (dev)
-		err = packet_do_bind(sk, dev, pkt_sk(sk)->num);
-	return err;
+	return packet_do_bind(sk, name, 0, pkt_sk(sk)->num);
 }
 
 static int packet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 {
 	struct sockaddr_ll *sll = (struct sockaddr_ll *)uaddr;
 	struct sock *sk = sock->sk;
-	struct net_device *dev = NULL;
-	int err;
-
 
 	/*
 	 *	Check legality
@@ -2998,16 +3024,8 @@ static int packet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len
 	if (sll->sll_family != AF_PACKET)
 		return -EINVAL;
 
-	if (sll->sll_ifindex) {
-		err = -ENODEV;
-		dev = dev_get_by_index(sock_net(sk), sll->sll_ifindex);
-		if (dev == NULL)
-			goto out;
-	}
-	err = packet_do_bind(sk, dev, sll->sll_protocol ? : pkt_sk(sk)->num);
-
-out:
-	return err;
+	return packet_do_bind(sk, NULL, sll->sll_ifindex,
+			      sll->sll_protocol ? : pkt_sk(sk)->num);
 }
 
 static struct proto packet_proto = {
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index 6e648d90297a..cd7c5f131e72 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -48,6 +48,7 @@
 #include <linux/tipc_netlink.h>
 #include "core.h"
 #include "bearer.h"
+#include "msg.h"
 
 /* IANA assigned UDP port */
 #define UDP_PORT_DEFAULT	6118
@@ -222,6 +223,10 @@ static int tipc_udp_recv(struct sock *sk, struct sk_buff *skb)
 {
 	struct udp_bearer *ub;
 	struct tipc_bearer *b;
+	int usr = msg_user(buf_msg(skb));
+
+	if ((usr == LINK_PROTOCOL) || (usr == NAME_DISTRIBUTOR))
+		skb_linearize(skb);
 
 	ub = rcu_dereference_sk_user_data(sk);
 	if (!ub) {
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 5d8748b4c8a2..6a1040daa9b9 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3409,12 +3409,6 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
 					   wdev->iftype))
 		return -EINVAL;
 
-	if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
-		params.acl = parse_acl_data(&rdev->wiphy, info);
-		if (IS_ERR(params.acl))
-			return PTR_ERR(params.acl);
-	}
-
 	if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
 		params.smps_mode =
 			nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
@@ -3438,6 +3432,12 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
 		params.smps_mode = NL80211_SMPS_OFF;
 	}
 
+	if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
+		params.acl = parse_acl_data(&rdev->wiphy, info);
+		if (IS_ERR(params.acl))
+			return PTR_ERR(params.acl);
+	}
+
 	wdev_lock(wdev);
 	err = rdev_start_ap(rdev, dev, &params);
 	if (!err) {
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 417ebb11cf48..bec63e0d2605 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -174,6 +174,8 @@ struct snd_usb_midi_in_endpoint {
 		u8 running_status_length;
 	} ports[0x10];
 	u8 seen_f5;
+	bool in_sysex;
+	u8 last_cin;
 	u8 error_resubmit;
 	int current_port;
 };
@@ -468,6 +470,39 @@ static void snd_usbmidi_maudio_broken_running_status_input(
 }
 
 /*
+ * QinHeng CH345 is buggy: every second packet inside a SysEx has not CIN 4
+ * but the previously seen CIN, but still with three data bytes.
+ */
+static void ch345_broken_sysex_input(struct snd_usb_midi_in_endpoint *ep,
+				     uint8_t *buffer, int buffer_length)
+{
+	unsigned int i, cin, length;
+
+	for (i = 0; i + 3 < buffer_length; i += 4) {
+		if (buffer[i] == 0 && i > 0)
+			break;
+		cin = buffer[i] & 0x0f;
+		if (ep->in_sysex &&
+		    cin == ep->last_cin &&
+		    (buffer[i + 1 + (cin == 0x6)] & 0x80) == 0)
+			cin = 0x4;
+#if 0
+		if (buffer[i + 1] == 0x90) {
+			/*
+			 * Either a corrupted running status or a real note-on
+			 * message; impossible to detect reliably.
+			 */
+		}
+#endif
+		length = snd_usbmidi_cin_length[cin];
+		snd_usbmidi_input_data(ep, 0, &buffer[i + 1], length);
+		ep->in_sysex = cin == 0x4;
+		if (!ep->in_sysex)
+			ep->last_cin = cin;
+	}
+}
+
+/*
  * CME protocol: like the standard protocol, but SysEx commands are sent as a
  * single USB packet preceded by a 0x0F byte.
  */
@@ -660,6 +695,12 @@ static struct usb_protocol_ops snd_usbmidi_cme_ops = {
 	.output_packet = snd_usbmidi_output_standard_packet,
 };
 
+static struct usb_protocol_ops snd_usbmidi_ch345_broken_sysex_ops = {
+	.input = ch345_broken_sysex_input,
+	.output = snd_usbmidi_standard_output,
+	.output_packet = snd_usbmidi_output_standard_packet,
+};
+
 /*
  * AKAI MPD16 protocol:
  *
@@ -1341,6 +1382,7 @@ static int snd_usbmidi_out_endpoint_create(struct snd_usb_midi *umidi,
 		 * Various chips declare a packet size larger than 4 bytes, but
 		 * do not actually work with larger packets:
 		 */
+	case USB_ID(0x0a67, 0x5011): /* Medeli DD305 */
 	case USB_ID(0x0a92, 0x1020): /* ESI M4U */
 	case USB_ID(0x1430, 0x474b): /* RedOctane GH MIDI INTERFACE */
 	case USB_ID(0x15ca, 0x0101): /* Textech USB Midi Cable */
@@ -2375,6 +2417,10 @@ int snd_usbmidi_create(struct snd_card *card,
 
 		err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
 		break;
+	case QUIRK_MIDI_CH345:
+		umidi->usb_protocol_ops = &snd_usbmidi_ch345_broken_sysex_ops;
+		err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
+		break;
 	default:
 		dev_err(&umidi->dev->dev, "invalid quirk type %d\n",
 			quirk->type);
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index e4756651a52c..ecc2a4ea014d 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2820,6 +2820,17 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	.idProduct = 0x1020,
 },
 
+/* QinHeng devices */
+{
+	USB_DEVICE(0x1a86, 0x752d),
+	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+		.vendor_name = "QinHeng",
+		.product_name = "CH345",
+		.ifnum = 1,
+		.type = QUIRK_MIDI_CH345
+	}
+},
+
 /* KeithMcMillen Stringport */
 {
 	USB_DEVICE(0x1f38, 0x0001),
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 00ebc0ca008e..eef9b8e4b949 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -535,6 +535,7 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip,
 		[QUIRK_MIDI_CME] = create_any_midi_quirk,
 		[QUIRK_MIDI_AKAI] = create_any_midi_quirk,
 		[QUIRK_MIDI_FTDI] = create_any_midi_quirk,
+		[QUIRK_MIDI_CH345] = create_any_midi_quirk,
 		[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
 		[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
 		[QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
@@ -1271,6 +1272,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 	case USB_ID(0x20b1, 0x000a): /* Gustard DAC-X20U */
 	case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */
 	case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */
+	case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */
 		if (fp->altsetting == 3)
 			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
 		break;
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 33a176437e2e..4b4327b45606 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -94,6 +94,7 @@ enum quirk_type {
 	QUIRK_MIDI_AKAI,
 	QUIRK_MIDI_US122L,
 	QUIRK_MIDI_FTDI,
+	QUIRK_MIDI_CH345,
 	QUIRK_AUDIO_STANDARD_INTERFACE,
 	QUIRK_AUDIO_FIXED_ENDPOINT,
 	QUIRK_AUDIO_EDIROL_UAXX,
