249 files changed, 2312 insertions, 1441 deletions
diff --git a/Makefile b/Makefile
index 80a2d2448531..041c685e11ea 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 15
 SUBLEVEL = 0
-EXTRAVERSION = -rc2
+EXTRAVERSION = -rc3
 NAME = Shuffling Zombie Juror
 # *DOCUMENTATION*
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ab438cb5af55..db3c5414223e 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -30,9 +30,9 @@ config ARM
        select HAVE_ARCH_SECCOMP_FILTER if (AEABI && !OABI_COMPAT)
        select HAVE_ARCH_TRACEHOOK
        select HAVE_BPF_JIT
+        select HAVE_CC_STACKPROTECTOR
        select HAVE_CONTEXT_TRACKING
        select HAVE_C_RECORDMCOUNT
-        select HAVE_CC_STACKPROTECTOR
        select HAVE_DEBUG_KMEMLEAK
        select HAVE_DMA_API_DEBUG
        select HAVE_DMA_ATTRS
@@ -311,6 +311,7 @@ config ARCH_MULTIPLATFORM
        select ARM_HAS_SG_CHAIN
        select ARM_PATCH_PHYS_VIRT
        select AUTO_ZRELADDR
+        select CLKSRC_OF
        select COMMON_CLK
        select GENERIC_CLOCKEVENTS
        select MULTI_IRQ_HANDLER
@@ -422,8 +423,8 @@ config ARCH_EFM32
        bool "Energy Micro efm32"
        depends on !MMU
        select ARCH_REQUIRE_GPIOLIB
-        select AUTO_ZRELADDR
        select ARM_NVIC
+        select AUTO_ZRELADDR
        select CLKSRC_OF
        select COMMON_CLK
        select CPU_V7M
@@ -511,8 +512,8 @@ config ARCH_IXP4XX
        bool "IXP4xx-based"
        depends on MMU
        select ARCH_HAS_DMA_SET_COHERENT_MASK
-        select ARCH_SUPPORTS_BIG_ENDIAN
        select ARCH_REQUIRE_GPIOLIB
+        select ARCH_SUPPORTS_BIG_ENDIAN
        select CLKSRC_MMIO
        select CPU_XSCALE
        select DMABOUNCE if PCI
@@ -1110,9 +1111,9 @@ config ARM_NR_BANKS
        default 8
 config IWMMXT
-        bool "Enable iWMMXt support" if !CPU_PJ4
+        bool "Enable iWMMXt support"
-        depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
+        depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 || CPU_PJ4B
-        default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4
+        default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 || CPU_PJ4B
        help
          Enable support for iWMMXt context switching at run time if
          running on a CPU that supports it.
@@ -1575,8 +1576,8 @@ config BIG_LITTLE
 config BL_SWITCHER
        bool "big.LITTLE switcher support"
        depends on BIG_LITTLE && MCPM && HOTPLUG_CPU
-        select CPU_PM
        select ARM_CPU_SUSPEND
+        select CPU_PM
        help
          The big.LITTLE "switcher" provides the core functionality to
          transparently handle transition between a cluster of A15's
@@ -1920,9 +1921,9 @@ config XEN
        depends on CPU_V7 && !CPU_V6
        depends on !GENERIC_ATOMIC64
        depends on MMU
+        select ARCH_DMA_ADDR_T_64BIT
        select ARM_PSCI
        select SWIOTLB_XEN
-        select ARCH_DMA_ADDR_T_64BIT
        help
          Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 4a2fc0bf6fc9..eab8ecbe69c1 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1030,9 +1030,9 @@ config DEBUG_UART_PHYS
        default 0x40100000 if DEBUG_PXA_UART1
        default 0x42000000 if ARCH_GEMINI
        default 0x7c0003f8 if FOOTBRIDGE
-        default 0x80230000 if DEBUG_PICOXCELL_UART
        default 0x80070000 if DEBUG_IMX23_UART
        default 0x80074000 if DEBUG_IMX28_UART
+        default 0x80230000 if DEBUG_PICOXCELL_UART
        default 0x808c0000 if ARCH_EP93XX
        default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
        default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX
@@ -1096,22 +1096,22 @@ config DEBUG_UART_VIRT
        default 0xfeb26000 if DEBUG_RK3X_UART1
        default 0xfeb30c00 if DEBUG_KEYSTONE_UART0
        default 0xfeb31000 if DEBUG_KEYSTONE_UART1
-        default 0xfec12000 if DEBUG_MVEBU_UART || DEBUG_MVEBU_UART_ALTERNATE
-        default 0xfed60000 if DEBUG_RK29_UART0
-        default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
-        default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
        default 0xfec02000 if DEBUG_SOCFPGA_UART
+        default 0xfec12000 if DEBUG_MVEBU_UART || DEBUG_MVEBU_UART_ALTERNATE
        default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0
        default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1
        default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2
        default 0xfed12000 if ARCH_KIRKWOOD
+        default 0xfed60000 if DEBUG_RK29_UART0
+        default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
+        default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
        default 0xfedc0000 if ARCH_EP93XX
        default 0xfee003f8 if FOOTBRIDGE
        default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
-        default 0xfef36000 if DEBUG_HIGHBANK_UART
        default 0xfee82340 if ARCH_IOP13XX
        default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
        default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
+        default 0xfef36000 if DEBUG_HIGHBANK_UART
        default 0xfefff700 if ARCH_IOP33X
        default 0xff003000 if DEBUG_U300_UART
        default DEBUG_UART_PHYS if !MMU
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 35c146f31e46..377b7c364033 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -51,10 +51,9 @@ dtb-$(CONFIG_ARCH_AT91)	+= sama5d36ek.dtb
 dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
+dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb
 dtb-$(CONFIG_ARCH_BCM_MOBILE) += bcm28155-ap.dtb \
        bcm21664-garnet.dtb
-dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
-dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb
 dtb-$(CONFIG_ARCH_BERLIN) += \
        berlin2-sony-nsz-gs7.dtb        \
        berlin2cd-google-chromecast.dtb
@@ -246,6 +245,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
        omap3-sbc-t3730.dtb \
        omap3-devkit8000.dtb \
        omap3-beagle-xm.dtb \
+        omap3-beagle-xm-ab.dtb \
        omap3-evm.dtb \
        omap3-evm-37xx.dtb \
        omap3-ldp.dtb \
@@ -294,13 +294,6 @@ dtb-$(CONFIG_ARCH_PRIMA2) += prima2-evb.dtb
 dtb-$(CONFIG_ARCH_QCOM) += qcom-msm8660-surf.dtb \
        qcom-msm8960-cdp.dtb \
        qcom-apq8074-dragonboard.dtb
-dtb-$(CONFIG_ARCH_U8500) += ste-snowball.dtb \
-        ste-hrefprev60-stuib.dtb \
-        ste-hrefprev60-tvk.dtb \
-        ste-hrefv60plus-stuib.dtb \
-        ste-hrefv60plus-tvk.dtb \
-        ste-ccu8540.dtb \
-        ste-ccu9540.dtb
 dtb-$(CONFIG_ARCH_S3C24XX) += s3c2416-smdk2416.dtb
 dtb-$(CONFIG_ARCH_S3C64XX) += s3c6410-mini6410.dtb \
        s3c6410-smdk6410.dtb
@@ -369,9 +362,16 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
        tegra30-cardhu-a04.dtb \
        tegra114-dalmore.dtb \
        tegra124-venice2.dtb
+dtb-$(CONFIG_ARCH_U300) += ste-u300.dtb
+dtb-$(CONFIG_ARCH_U8500) += ste-snowball.dtb \
+        ste-hrefprev60-stuib.dtb \
+        ste-hrefprev60-tvk.dtb \
+        ste-hrefv60plus-stuib.dtb \
+        ste-hrefv60plus-tvk.dtb \
+        ste-ccu8540.dtb \
+        ste-ccu9540.dtb
 dtb-$(CONFIG_ARCH_VERSATILE) += versatile-ab.dtb \
        versatile-pb.dtb
-dtb-$(CONFIG_ARCH_U300) += ste-u300.dtb
 dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2p-ca5s.dtb \
        vexpress-v2p-ca9.dtb \
        vexpress-v2p-ca15-tc1.dtb \
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index e3f27ec31718..2e7d932887b5 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -183,7 +183,7 @@
 &usb {
        status = "okay";
-        control@44e10000 {
+        control@44e10620 {
                status = "okay";
        };
@@ -204,7 +204,7 @@
                dr_mode = "host";
        };
-        dma-controller@07402000  {
+        dma-controller@47402000  {
                status = "okay";
        };
 };
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index 28ae040e7c3d..6028217ace0f 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -301,8 +301,8 @@
        am335x_evm_audio_pins: am335x_evm_audio_pins {
                pinctrl-single,pins = <
-                        0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_rx_dv.mcasp1_aclkx */
+                        0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_crs.mcasp1_aclkx */
-                        0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_txd3.mcasp1_fsx */
+                        0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* mii1_rxerr.mcasp1_fsx */
                        0x108 (PIN_OUTPUT_PULLDOWN | MUX_MODE4) /* mii1_col.mcasp1_axr2 */
                        0x144 (PIN_INPUT_PULLDOWN | MUX_MODE4) /* rmii1_ref_clk.mcasp1_axr3 */
                >;
@@ -331,7 +331,7 @@
 &usb {
        status = "okay";
-        control@44e10000 {
+        control@44e10620 {
                status = "okay";
        };
@@ -352,7 +352,7 @@
                dr_mode = "host";
        };
-        dma-controller@07402000  {
+        dma-controller@47402000  {
                status = "okay";
        };
 };
diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index ec08f6f677c3..ab238850a7b2 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -364,7 +364,7 @@
 &usb {
        status = "okay";
-        control@44e10000 {
+        control@44e10620 {
                status = "okay";
        };
@@ -385,7 +385,7 @@
                dr_mode = "host";
        };
-        dma-controller@07402000  {
+        dma-controller@47402000  {
                status = "okay";
        };
 };
diff --git a/arch/arm/boot/dts/am335x-igep0033.dtsi b/arch/arm/boot/dts/am335x-igep0033.dtsi
index 7063311a58d9..9f22c189f636 100644
--- a/arch/arm/boot/dts/am335x-igep0033.dtsi
+++ b/arch/arm/boot/dts/am335x-igep0033.dtsi
@@ -118,7 +118,6 @@
                reg = <0 0 0>; /* CS0, offset 0 */
                nand-bus-width = <8>;
                ti,nand-ecc-opt = "bch8";
-                gpmc,device-nand = "true";
                gpmc,device-width = <1>;
                gpmc,sync-clk-ps = <0>;
                gpmc,cs-on-ns = <0>;
@@ -202,7 +201,7 @@
 &usb {
        status = "okay";
-        control@44e10000 {
+        control@44e10620 {
                status = "okay";
        };
@@ -223,7 +222,7 @@
                dr_mode = "host";
        };
-        dma-controller@07402000  {
+        dma-controller@47402000  {
                status = "okay";
        };
 };
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 9770e35f2536..07f283c20eb1 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -72,7 +72,7 @@
        };
        /*
-         * The soc node represents the soc top level view. It is uses for IPs
+         * The soc node represents the soc top level view. It is used for IPs
         * that are not memory mapped in the MPU view or for the MPU itself.
         */
        soc {
@@ -94,8 +94,8 @@
        /*
         * XXX: Use a flat representation of the AM33XX interconnect.
-         * The real AM33XX interconnect network is quite complex.Since
+         * The real AM33XX interconnect network is quite complex. Since
-         * that will not bring real advantage to represent that in DT
+         * it will not bring real advantage to represent that in DT
         * for the moment, just use a fake OCP bus entry to represent
         * the whole bus hierarchy.
         */
diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index bbb40f62037d..bb77970c0b12 100644
--- a/arch/arm/boot/dts/armada-370-xp.dtsi
+++ b/arch/arm/boot/dts/armada-370-xp.dtsi
@@ -230,6 +230,7 @@
                                #size-cells = <0>;
                                compatible = "marvell,orion-mdio";
                                reg = <0x72004 0x4>;
+                                clocks = <&gateclk 4>;
                        };
                        eth1: ethernet@74000 {
diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
index a064f59da02d..ca8813bb99ba 100644
--- a/arch/arm/boot/dts/armada-38x.dtsi
+++ b/arch/arm/boot/dts/armada-38x.dtsi
@@ -336,6 +336,7 @@
                                #size-cells = <0>;
                                compatible = "marvell,orion-mdio";
                                reg = <0x72004 0x4>;
+                                clocks = <&gateclk 4>;
                        };
                        coredivclk: clock@e4250 {
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 1c0f8e1893ae..149b55099935 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -80,7 +80,7 @@
        };
        /*
-         * The soc node represents the soc top level view. It is uses for IPs
+         * The soc node represents the soc top level view. It is used for IPs
         * that are not memory mapped in the MPU view or for the MPU itself.
         */
        soc {
@@ -94,7 +94,7 @@
        /*
         * XXX: Use a flat representation of the SOC interconnect.
         * The real OMAP interconnect network is quite complex.
-         * Since that will not bring real advantage to represent that in DT for
+         * Since it will not bring real advantage to represent that in DT for
         * the moment, just use a fake OCP bus entry to represent the whole bus
         * hierarchy.
         */
diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi
index e96da9a898ad..cfb8fc753f50 100644
--- a/arch/arm/boot/dts/dra7xx-clocks.dtsi
+++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi
@@ -1640,7 +1640,7 @@
                #clock-cells = <0>;
                compatible = "ti,mux-clock";
                clocks = <&abe_24m_fclk>, <&abe_sys_clk_div>, <&func_24m_clk>, <&atlclkin3_ck>, <&atl_clkin2_ck>, <&atl_clkin1_ck>, <&atl_clkin0_ck>, <&sys_clkin2>, <&ref_clkin0_ck>, <&ref_clkin1_ck>, <&ref_clkin2_ck>, <&ref_clkin3_ck>, <&mlb_clk>, <&mlbp_clk>;
-                ti,bit-shift = <28>;
+                ti,bit-shift = <24>;
                reg = <0x1860>;
        };
diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
index 32f760e24898..ea323f09dc78 100644
--- a/arch/arm/boot/dts/imx25.dtsi
+++ b/arch/arm/boot/dts/imx25.dtsi
@@ -56,6 +56,7 @@
                osc {
                        compatible = "fsl,imx-osc", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <24000000>;
                };
        };
diff --git a/arch/arm/boot/dts/imx27-apf27.dts b/arch/arm/boot/dts/imx27-apf27.dts
index 09f57b39e3ef..73aae4f5e539 100644
--- a/arch/arm/boot/dts/imx27-apf27.dts
+++ b/arch/arm/boot/dts/imx27-apf27.dts
@@ -29,6 +29,7 @@
                osc26m {
                        compatible = "fsl,imx-osc26m", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <0>;
                };
        };
diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index 6279e0b4f768..137e010eab35 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -48,6 +48,7 @@
                osc26m {
                        compatible = "fsl,imx-osc26m", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <26000000>;
                };
        };
diff --git a/arch/arm/boot/dts/imx50.dtsi b/arch/arm/boot/dts/imx50.dtsi
index 0c75fe3deb35..9c89d1ca97c2 100644
--- a/arch/arm/boot/dts/imx50.dtsi
+++ b/arch/arm/boot/dts/imx50.dtsi
@@ -53,21 +53,25 @@
                ckil {
                        compatible = "fsl,imx-ckil", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <32768>;
                };
                ckih1 {
                        compatible = "fsl,imx-ckih1", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <22579200>;
                };
                ckih2 {
                        compatible = "fsl,imx-ckih2", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <0>;
                };
                osc {
                        compatible = "fsl,imx-osc", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <24000000>;
                };
        };
diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
index 5f8216d08f6b..150bb4e2f744 100644
--- a/arch/arm/boot/dts/imx51.dtsi
+++ b/arch/arm/boot/dts/imx51.dtsi
@@ -50,21 +50,25 @@
                ckil {
                        compatible = "fsl,imx-ckil", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <32768>;
                };
                ckih1 {
                        compatible = "fsl,imx-ckih1", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <0>;
                };
                ckih2 {
                        compatible = "fsl,imx-ckih2", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <0>;
                };
                osc {
                        compatible = "fsl,imx-osc", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <24000000>;
                };
        };
diff --git a/arch/arm/boot/dts/imx53-m53evk.dts b/arch/arm/boot/dts/imx53-m53evk.dts
index f6d3ac3e5587..d5d146a8b149 100644
--- a/arch/arm/boot/dts/imx53-m53evk.dts
+++ b/arch/arm/boot/dts/imx53-m53evk.dts
@@ -17,7 +17,8 @@
        compatible = "denx,imx53-m53evk", "fsl,imx53";
        memory {
-                reg = <0x70000000 0x20000000>;
+                reg = <0x70000000 0x20000000>,
+                      <0xb0000000 0x20000000>;
        };
        soc {
@@ -193,17 +194,17 @@
                irq-trigger = <0x1>;
                stmpe_touchscreen {
-                        compatible = "stmpe,ts";
+                        compatible = "st,stmpe-ts";
                        reg = <0>;
-                        ts,sample-time = <4>;
+                        st,sample-time = <4>;
-                        ts,mod-12b = <1>;
+                        st,mod-12b = <1>;
-                        ts,ref-sel = <0>;
+                        st,ref-sel = <0>;
-                        ts,adc-freq = <1>;
+                        st,adc-freq = <1>;
-                        ts,ave-ctrl = <3>;
+                        st,ave-ctrl = <3>;
-                        ts,touch-det-delay = <3>;
+                        st,touch-det-delay = <3>;
-                        ts,settling = <4>;
+                        st,settling = <4>;
-                        ts,fraction-z = <7>;
+                        st,fraction-z = <7>;
-                        ts,i-drive = <1>;
+                        st,i-drive = <1>;
                };
        };
diff --git a/arch/arm/boot/dts/imx53-qsb-common.dtsi b/arch/arm/boot/dts/imx53-qsb-common.dtsi
index 3f825a6813da..ede04fa4161f 100644
--- a/arch/arm/boot/dts/imx53-qsb-common.dtsi
+++ b/arch/arm/boot/dts/imx53-qsb-common.dtsi
@@ -14,7 +14,8 @@
 / {
        memory {
-                reg = <0x70000000 0x40000000>;
+                reg = <0x70000000 0x20000000>,
+                      <0xb0000000 0x20000000>;
        };
        display0: display@di0 {
diff --git a/arch/arm/boot/dts/imx53-tx53-x03x.dts b/arch/arm/boot/dts/imx53-tx53-x03x.dts
index 0217dde3b36b..3b73e81dc3f0 100644
--- a/arch/arm/boot/dts/imx53-tx53-x03x.dts
+++ b/arch/arm/boot/dts/imx53-tx53-x03x.dts
@@ -25,12 +25,17 @@
        soc {
                display: display@di0 {
                        compatible = "fsl,imx-parallel-display";
-                        crtcs = <&ipu 0>;
                        interface-pix-fmt = "rgb24";
                        pinctrl-names = "default";
                        pinctrl-0 = <&pinctrl_rgb24_vga1>;
                        status = "okay";
+                        port {
+                                display0_in: endpoint {
+                                        remote-endpoint = <&ipu_di0_disp0>;
+                                };
+                        };
                        display-timings {
                                VGA {
                                        clock-frequency = <25200000>;
@@ -293,6 +298,10 @@
        };
 };
+&ipu_di0_disp0 {
+        remote-endpoint = <&display0_in>;
+};
 &kpp {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_kpp>;
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index b57ab57740f6..9c2bff2252d0 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -70,21 +70,25 @@
                ckil {
                        compatible = "fsl,imx-ckil", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <32768>;
                };
                ckih1 {
                        compatible = "fsl,imx-ckih1", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <22579200>;
                };
                ckih2 {
                        compatible = "fsl,imx-ckih2", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <0>;
                };
                osc {
                        compatible = "fsl,imx-osc", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <24000000>;
                };
        };
@@ -430,7 +434,7 @@
                                        port {
                                                lvds1_in: endpoint {
-                                                        remote-endpoint = <&ipu_di0_lvds0>;
+                                                        remote-endpoint = <&ipu_di1_lvds1>;
                                                };
                                        };
                                };
diff --git a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts
index a63bbb3d46bb..e4ae38fd0269 100644
--- a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts
+++ b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts
@@ -19,7 +19,10 @@
        compatible = "dmo,imx6q-edmqmx6", "fsl,imx6q";
        aliases {
-                gpio7 = &stmpe_gpio;
+                gpio7 = &stmpe_gpio1;
+                gpio8 = &stmpe_gpio2;
+                stmpe-i2c0 = &stmpe1;
+                stmpe-i2c1 = &stmpe2;
        };
        memory {
@@ -40,13 +43,15 @@
                        regulator-always-on;
                };
-                reg_usb_otg_vbus: regulator@1 {
+                reg_usb_otg_switch: regulator@1 {
                        compatible = "regulator-fixed";
                        reg = <1>;
-                        regulator-name = "usb_otg_vbus";
+                        regulator-name = "usb_otg_switch";
                        regulator-min-microvolt = <5000000>;
                        regulator-max-microvolt = <5000000>;
                        gpio = <&gpio7 12 0>;
+                        regulator-boot-on;
+                        regulator-always-on;
                };
                reg_usb_host1: regulator@2 {
@@ -65,23 +70,23 @@
                led-blue {
                        label = "blue";
-                        gpios = <&stmpe_gpio 8 GPIO_ACTIVE_HIGH>;
+                        gpios = <&stmpe_gpio1 8 GPIO_ACTIVE_HIGH>;
                        linux,default-trigger = "heartbeat";
                };
                led-green {
                        label = "green";
-                        gpios = <&stmpe_gpio 9 GPIO_ACTIVE_HIGH>;
+                        gpios = <&stmpe_gpio1 9 GPIO_ACTIVE_HIGH>;
                };
                led-pink {
                        label = "pink";
-                        gpios = <&stmpe_gpio 10 GPIO_ACTIVE_HIGH>;
+                        gpios = <&stmpe_gpio1 10 GPIO_ACTIVE_HIGH>;
                };
                led-red {
                        label = "red";
-                        gpios = <&stmpe_gpio 11 GPIO_ACTIVE_HIGH>;
+                        gpios = <&stmpe_gpio1 11 GPIO_ACTIVE_HIGH>;
                };
        };
 };
@@ -99,7 +104,8 @@
        clock-frequency = <100000>;
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_i2c2
-                     &pinctrl_stmpe>;
+                     &pinctrl_stmpe1
+                     &pinctrl_stmpe2>;
        status = "okay";
        pmic: pfuze100@08 {
@@ -205,13 +211,25 @@
                };
        };
-        stmpe: stmpe1601@40 {
+        stmpe1: stmpe1601@40 {
                compatible = "st,stmpe1601";
                reg = <0x40>;
                interrupts = <30 0>;
                interrupt-parent = <&gpio3>;
-                stmpe_gpio: stmpe_gpio {
+                stmpe_gpio1: stmpe_gpio {
+                        #gpio-cells = <2>;
+                        compatible = "st,stmpe-gpio";
+                };
+        };
+        stmpe2: stmpe1601@44 {
+                compatible = "st,stmpe1601";
+                reg = <0x44>;
+                interrupts = <2 0>;
+                interrupt-parent = <&gpio5>;
+                stmpe_gpio2: stmpe_gpio {
                        #gpio-cells = <2>;
                        compatible = "st,stmpe-gpio";
                };
@@ -273,10 +291,14 @@
                        >;
                };
-                pinctrl_stmpe: stmpegrp {
+                pinctrl_stmpe1: stmpe1grp {
                        fsl,pins = <MX6QDL_PAD_EIM_D30__GPIO3_IO30 0x80000000>;
                };
+                pinctrl_stmpe2: stmpe2grp {
+                        fsl,pins = <MX6QDL_PAD_EIM_A25__GPIO5_IO02 0x80000000>;
+                };
                pinctrl_uart1: uart1grp {
                        fsl,pins = <
                                MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA      0x1b0b1
@@ -293,7 +315,7 @@
                pinctrl_usbotg: usbotggrp {
                        fsl,pins = <
-                                MX6QDL_PAD_GPIO_1__USB_OTG_ID           0x17059
+                                MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID       0x17059
                        >;
                };
@@ -344,11 +366,11 @@
 &usbh1 {
        vbus-supply = <&reg_usb_host1>;
        disable-over-current;
+        dr_mode = "host";
        status = "okay";
 };
 &usbotg {
-        vbus-supply = <&reg_usb_otg_vbus>;
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_usbotg>;
        disable-over-current;
diff --git a/arch/arm/boot/dts/imx6q-gw5400-a.dts b/arch/arm/boot/dts/imx6q-gw5400-a.dts
index 902f98310481..e51bb3f0fd56 100644
--- a/arch/arm/boot/dts/imx6q-gw5400-a.dts
+++ b/arch/arm/boot/dts/imx6q-gw5400-a.dts
@@ -487,9 +487,6 @@
 &ldb {
        status = "okay";
-        lvds-channel@0 {
-                crtcs = <&ipu1 0>, <&ipu1 1>, <&ipu2 0>, <&ipu2 1>;
-        };
 };
 &pcie {
diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
index 8e99c9a9bc76..035d3a85c318 100644
--- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
@@ -436,9 +436,6 @@
 &ldb {
        status = "okay";
-        lvds-channel@0 {
-                crtcs = <&ipu1 0>, <&ipu1 1>;
-        };
 };
 &pcie {
diff --git a/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
index a3cb2fff8f61..d16066608e21 100644
--- a/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-microsom-ar8035.dtsi
@@ -26,25 +26,25 @@
                                /* GPIO16 -> AR8035 25MHz */
                                MX6QDL_PAD_GPIO_16__ENET_REF_CLK        0xc0000000
                                MX6QDL_PAD_RGMII_TXC__RGMII_TXC         0x80000000
-                                MX6QDL_PAD_RGMII_TD0__RGMII_TD0         0x1b0b0
+                                MX6QDL_PAD_RGMII_TD0__RGMII_TD0         0x1b030
-                                MX6QDL_PAD_RGMII_TD1__RGMII_TD1         0x1b0b0
+                                MX6QDL_PAD_RGMII_TD1__RGMII_TD1         0x1b030
-                                MX6QDL_PAD_RGMII_TD2__RGMII_TD2         0x1b0b0
+                                MX6QDL_PAD_RGMII_TD2__RGMII_TD2         0x1b030
-                                MX6QDL_PAD_RGMII_TD3__RGMII_TD3         0x1b0b0
+                                MX6QDL_PAD_RGMII_TD3__RGMII_TD3         0x1b030
-                                MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL   0x1b0b0
+                                MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL   0x1b030
                                /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
                                MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK    0x0a0b1
                                /* AR8035 pin strapping: IO voltage: pull up */
-                                MX6QDL_PAD_RGMII_RXC__RGMII_RXC         0x1b0b0
+                                MX6QDL_PAD_RGMII_RXC__RGMII_RXC         0x1b030
                                /* AR8035 pin strapping: PHYADDR#0: pull down */
-                                MX6QDL_PAD_RGMII_RD0__RGMII_RD0         0x130b0
+                                MX6QDL_PAD_RGMII_RD0__RGMII_RD0         0x13030
                                /* AR8035 pin strapping: PHYADDR#1: pull down */
-                                MX6QDL_PAD_RGMII_RD1__RGMII_RD1         0x130b0
+                                MX6QDL_PAD_RGMII_RD1__RGMII_RD1         0x13030
                                /* AR8035 pin strapping: MODE#1: pull up */
-                                MX6QDL_PAD_RGMII_RD2__RGMII_RD2         0x1b0b0
+                                MX6QDL_PAD_RGMII_RD2__RGMII_RD2         0x1b030
                                /* AR8035 pin strapping: MODE#3: pull up */
-                                MX6QDL_PAD_RGMII_RD3__RGMII_RD3         0x1b0b0
+                                MX6QDL_PAD_RGMII_RD3__RGMII_RD3         0x1b030
                                /* AR8035 pin strapping: MODE#0: pull down */
-                                MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL   0x130b0
+                                MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL   0x13030
                                /*
                                 * As the RMII pins are also connected to RGMII
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 55cb926fa3f7..eca0971d4db1 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -10,6 +10,8 @@
 * http://www.gnu.org/copyleft/gpl.html
 */
+#include <dt-bindings/interrupt-controller/arm-gic.h>
 #include "skeleton.dtsi"
 / {
@@ -46,8 +48,6 @@
        intc: interrupt-controller@00a01000 {
                compatible = "arm,cortex-a9-gic";
                #interrupt-cells = <3>;
-                #address-cells = <1>;
-                #size-cells = <1>;
                interrupt-controller;
                reg = <0x00a01000 0x1000>,
                      <0x00a00100 0x100>;
@@ -59,16 +59,19 @@
                ckil {
                        compatible = "fsl,imx-ckil", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <32768>;
                };
                ckih1 {
                        compatible = "fsl,imx-ckih1", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <0>;
                };
                osc {
                        compatible = "fsl,imx-osc", "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <24000000>;
                };
        };
@@ -138,6 +141,12 @@
                                  0x82000000 0 0x01000000 0x01000000 0 0x00f00000>; /* non-prefetchable memory */
                        num-lanes = <1>;
                        interrupts = <0 123 IRQ_TYPE_LEVEL_HIGH>;
+                        #interrupt-cells = <1>;
+                        interrupt-map-mask = <0 0 0 0x7>;
+                        interrupt-map = <0 0 0 1 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+                                        <0 0 0 2 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+                                        <0 0 0 3 &intc GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+                                        <0 0 0 4 &intc GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
                        clocks = <&clks 189>, <&clks 187>, <&clks 206>, <&clks 144>;
                        clock-names = "pcie_ref_125m", "sata_ref_100m", "lvds_gate", "pcie_axi";
                        status = "disabled";
diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
index 864d8dfb51ca..a8d9a93fab85 100644
--- a/arch/arm/boot/dts/imx6sl-evk.dts
+++ b/arch/arm/boot/dts/imx6sl-evk.dts
@@ -282,6 +282,7 @@
                                MX6SL_PAD_ECSPI1_MISO__ECSPI1_MISO      0x100b1
                                MX6SL_PAD_ECSPI1_MOSI__ECSPI1_MOSI      0x100b1
                                MX6SL_PAD_ECSPI1_SCLK__ECSPI1_SCLK      0x100b1
+                                MX6SL_PAD_ECSPI1_SS0__GPIO4_IO11        0x80000000
                        >;
                };
diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi
index 3cb4941afeef..d26b099260a3 100644
--- a/arch/arm/boot/dts/imx6sl.dtsi
+++ b/arch/arm/boot/dts/imx6sl.dtsi
@@ -68,8 +68,6 @@
        intc: interrupt-controller@00a01000 {
                compatible = "arm,cortex-a9-gic";
                #interrupt-cells = <3>;
-                #address-cells = <1>;
-                #size-cells = <1>;
                interrupt-controller;
                reg = <0x00a01000 0x1000>,
                      <0x00a00100 0x100>;
@@ -81,11 +79,13 @@
                ckil {
                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <32768>;
                };
                osc {
                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <24000000>;
                };
        };
diff --git a/arch/arm/boot/dts/kirkwood-b3.dts b/arch/arm/boot/dts/kirkwood-b3.dts
index 40791053106b..6becedebaa4e 100644
--- a/arch/arm/boot/dts/kirkwood-b3.dts
+++ b/arch/arm/boot/dts/kirkwood-b3.dts
@@ -75,7 +75,7 @@
                        m25p16@0 {
                                #address-cells = <1>;
                                #size-cells = <1>;
-                                compatible = "m25p16";
+                                compatible = "st,m25p16";
                                reg = <0>;
                                spi-max-frequency = <40000000>;
                                mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-cloudbox.dts b/arch/arm/boot/dts/kirkwood-cloudbox.dts
index 0e06fd3cee4d..3b62aeeaa3a2 100644
--- a/arch/arm/boot/dts/kirkwood-cloudbox.dts
+++ b/arch/arm/boot/dts/kirkwood-cloudbox.dts
@@ -46,7 +46,7 @@
                        flash@0 {
                                #address-cells = <1>;
                                #size-cells = <1>;
-                                compatible = "mx25l4005a";
+                                compatible = "mxicy,mx25l4005a";
                                reg = <0>;
                                spi-max-frequency = <20000000>;
                                mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-dreamplug.dts b/arch/arm/boot/dts/kirkwood-dreamplug.dts
index ef3463e0ae19..28b3ee369778 100644
--- a/arch/arm/boot/dts/kirkwood-dreamplug.dts
+++ b/arch/arm/boot/dts/kirkwood-dreamplug.dts
@@ -43,7 +43,7 @@
                        m25p40@0 {
                                #address-cells = <1>;
                                #size-cells = <1>;
-                                compatible = "mx25l1606e";
+                                compatible = "mxicy,mx25l1606e";
                                reg = <0>;
                                spi-max-frequency = <50000000>;
                                mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-laplug.dts b/arch/arm/boot/dts/kirkwood-laplug.dts
index c9e82eff9bf2..6761ffa2c4ab 100644
--- a/arch/arm/boot/dts/kirkwood-laplug.dts
+++ b/arch/arm/boot/dts/kirkwood-laplug.dts
@@ -48,7 +48,7 @@
                        status = "okay";
                        eeprom@50 {
-                                compatible = "at,24c04";
+                                compatible = "atmel,24c04";
                                pagesize = <16>;
                                reg = <0x50>;
                        };
diff --git a/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts b/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
index 2cb0dc529165..32c6fb4a1162 100644
--- a/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
+++ b/arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts
@@ -56,7 +56,7 @@
                        flash@0 {
                                #address-cells = <1>;
                                #size-cells = <1>;
-                                compatible = "mx25l12805d";
+                                compatible = "mxicy,mx25l12805d";
                                reg = <0>;
                                spi-max-frequency = <50000000>;
                                mode = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
index 743152f31a81..e6e5ec4fe6b9 100644
--- a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
+++ b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
@@ -32,7 +32,7 @@
                        flash@0 {
                                #address-cells = <1>;
                                #size-cells = <1>;
-                                compatible = "mx25l4005a";
+                                compatible = "mxicy,mx25l4005a";
                                reg = <0>;
                                spi-max-frequency = <20000000>;
                                mode = <0>;
@@ -50,7 +50,7 @@
                        status = "okay";
                        eeprom@50 {
-                                compatible = "at,24c04";
+                                compatible = "atmel,24c04";
                                pagesize = <16>;
                                reg = <0x50>;
                        };
diff --git a/arch/arm/boot/dts/kirkwood-nsa310.dts b/arch/arm/boot/dts/kirkwood-nsa310.dts
index 03fa24cf3344..0a07af9d8e58 100644
--- a/arch/arm/boot/dts/kirkwood-nsa310.dts
+++ b/arch/arm/boot/dts/kirkwood-nsa310.dts
@@ -104,7 +104,7 @@
                        status = "okay";
                        adt7476: adt7476a@2e {
-                                compatible = "adt7476";
+                                compatible = "adi,adt7476";
                                reg = <0x2e>;
                        };
                };
diff --git a/arch/arm/boot/dts/kirkwood-nsa310a.dts b/arch/arm/boot/dts/kirkwood-nsa310a.dts
index a5e779452867..27ca6a79c48a 100644
--- a/arch/arm/boot/dts/kirkwood-nsa310a.dts
+++ b/arch/arm/boot/dts/kirkwood-nsa310a.dts
@@ -94,7 +94,7 @@
                        status = "okay";
                        lm85: lm85@2e {
-                                compatible = "lm85";
+                                compatible = "national,lm85";
                                reg = <0x2e>;
                        };
                };
diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
index b88da9392c32..0650beafc1de 100644
--- a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
+++ b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts
@@ -40,7 +40,7 @@
                        pinctrl-names = "default";
                        s35390a: s35390a@30 {
-                                compatible = "s35390a";
+                                compatible = "sii,s35390a";
                                reg = <0x30>;
                        };
                };
diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a7.dts b/arch/arm/boot/dts/kirkwood-openblocks_a7.dts
index b2f7cae06839..38520a287514 100644
--- a/arch/arm/boot/dts/kirkwood-openblocks_a7.dts
+++ b/arch/arm/boot/dts/kirkwood-openblocks_a7.dts
@@ -52,7 +52,7 @@
                        pinctrl-names = "default";
                        s24c02: s24c02@50 {
-                                compatible = "24c02";
+                                compatible = "atmel,24c02";
                                reg = <0x50>;
                        };
                };
diff --git a/arch/arm/boot/dts/omap3-beagle-xm-ab.dts b/arch/arm/boot/dts/omap3-beagle-xm-ab.dts
new file mode 100644
index 000000000000..7ac3bcf59d59
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-beagle-xm-ab.dts
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include "omap3-beagle-xm.dts"
+/ {
+        /* HS USB Port 2 Power enable was inverted with the xM C */
+        hsusb2_power: hsusb2_power_reg {
+                enable-active-high;
+        };
+};
diff --git a/arch/arm/boot/dts/omap3-devkit8000.dts b/arch/arm/boot/dts/omap3-devkit8000.dts
index bf5a515a3247..da402f0fdab4 100644
--- a/arch/arm/boot/dts/omap3-devkit8000.dts
+++ b/arch/arm/boot/dts/omap3-devkit8000.dts
@@ -112,7 +112,6 @@
                reg = <0 0 0>; /* CS0, offset 0 */
                nand-bus-width = <16>;
-                gpmc,device-nand;
                gpmc,sync-clk-ps = <0>;
                gpmc,cs-on-ns = <0>;
                gpmc,cs-rd-off-ns = <44>;
diff --git a/arch/arm/boot/dts/omap3-lilly-a83x.dtsi b/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
index 6369d9f43ca2..cc1dce6978f5 100644
--- a/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
+++ b/arch/arm/boot/dts/omap3-lilly-a83x.dtsi
@@ -368,7 +368,6 @@
                /* no elm on omap3 */
                gpmc,mux-add-data = <0>;
-                gpmc,device-nand;
                gpmc,device-width = <2>;
                gpmc,wait-pin = <0>;
                gpmc,wait-monitoring-ns = <0>;
diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index 5e5790f631eb..acb9019dc437 100644
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -74,7 +74,7 @@
        /*
         * XXX: Use a flat representation of the OMAP3 interconnect.
         * The real OMAP interconnect network is quite complex.
-         * Since that will not bring real advantage to represent that in DT for
+         * Since it will not bring real advantage to represent that in DT for
         * the moment, just use a fake OCP bus entry to represent the whole bus
         * hierarchy.
         */
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index 27fcac874742..649b5cd38b40 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -72,7 +72,7 @@
        };
        /*
-         * The soc node represents the soc top level view. It is uses for IPs
+         * The soc node represents the soc top level view. It is used for IPs
         * that are not memory mapped in the MPU view or for the MPU itself.
         */
        soc {
@@ -96,7 +96,7 @@
        /*
         * XXX: Use a flat representation of the OMAP4 interconnect.
         * The real OMAP interconnect network is quite complex.
-         * Since that will not bring real advantage to represent that in DT for
+         * Since it will not bring real advantage to represent that in DT for
         * the moment, just use a fake OCP bus entry to represent the whole bus
         * hierarchy.
         */
diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 6f3de22fb266..f8c9855ce587 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -93,7 +93,7 @@
        };
        /*
-         * The soc node represents the soc top level view. It is uses for IPs
+         * The soc node represents the soc top level view. It is used for IPs
         * that are not memory mapped in the MPU view or for the MPU itself.
         */
        soc {
@@ -107,7 +107,7 @@
        /*
         * XXX: Use a flat representation of the OMAP3 interconnect.
         * The real OMAP interconnect network is quite complex.
-         * Since that will not bring real advantage to represent that in DT for
+         * Since it will not bring real advantage to represent that in DT for
         * the moment, just use a fake OCP bus entry to represent the whole bus
         * hierarchy.
         */
@@ -813,6 +813,12 @@
                                      <0x4a084c00 0x40>;
                                reg-names = "phy_rx", "phy_tx", "pll_ctrl";
                                ctrl-module = <&omap_control_usb3phy>;
+                                clocks = <&usb_phy_cm_clk32k>,
+                                         <&sys_clkin>,
+                                         <&usb_otg_ss_refclk960m>;
+                                clock-names =   "wkupclk",
+                                                "sysclk",
+                                                "refclk";
                                #phy-cells = <0>;
                        };
                };
diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index 8280884bfa59..2551e9438d35 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -28,7 +28,6 @@
        gic: interrupt-controller@c2800000 {
                compatible = "arm,cortex-a9-gic";
                #interrupt-cells = <3>;
-                #address-cells = <1>;
                interrupt-controller;
                reg = <0xc2800000 0x1000>,
                      <0xc2000000 0x1000>;
diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 6e99eb2df076..d01048ab3e77 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -141,12 +141,12 @@
        };
        sdhi0_pins: sd0 {
-                renesas,gpios = "sdhi0_data4", "sdhi0_ctrl";
+                renesas,groups = "sdhi0_data4", "sdhi0_ctrl";
                renesas,function = "sdhi0";
        };
        sdhi2_pins: sd2 {
-                renesas,gpios = "sdhi2_data4", "sdhi2_ctrl";
+                renesas,groups = "sdhi2_data4", "sdhi2_ctrl";
                renesas,function = "sdhi2";
        };
diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index bdd73e6657b2..de1b6977c69a 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -230,17 +230,17 @@
        };
        sdhi0_pins: sd0 {
-                renesas,gpios = "sdhi0_data4", "sdhi0_ctrl";
+                renesas,groups = "sdhi0_data4", "sdhi0_ctrl";
                renesas,function = "sdhi0";
        };
        sdhi1_pins: sd1 {
-                renesas,gpios = "sdhi1_data4", "sdhi1_ctrl";
+                renesas,groups = "sdhi1_data4", "sdhi1_ctrl";
                renesas,function = "sdhi1";
        };
        sdhi2_pins: sd2 {
-                renesas,gpios = "sdhi2_data4", "sdhi2_ctrl";
+                renesas,groups = "sdhi2_data4", "sdhi2_ctrl";
                renesas,function = "sdhi2";
        };
diff --git a/arch/arm/boot/dts/rk3188.dtsi b/arch/arm/boot/dts/rk3188.dtsi
index bb36596ea205..ed9a70af3e3f 100644
--- a/arch/arm/boot/dts/rk3188.dtsi
+++ b/arch/arm/boot/dts/rk3188.dtsi
@@ -149,7 +149,7 @@
                        uart0 {
                                uart0_xfer: uart0-xfer {
-                                        rockchip,pins = <RK_GPIO1 0 RK_FUNC_1 &pcfg_pull_none>,
+                                        rockchip,pins = <RK_GPIO1 0 RK_FUNC_1 &pcfg_pull_up>,
                                                        <RK_GPIO1 1 RK_FUNC_1 &pcfg_pull_none>;
                                };
@@ -164,7 +164,7 @@
                        uart1 {
                                uart1_xfer: uart1-xfer {
-                                        rockchip,pins = <RK_GPIO1 4 RK_FUNC_1 &pcfg_pull_none>,
+                                        rockchip,pins = <RK_GPIO1 4 RK_FUNC_1 &pcfg_pull_up>,
                                                        <RK_GPIO1 5 RK_FUNC_1 &pcfg_pull_none>;
                                };
@@ -179,7 +179,7 @@
                        uart2 {
                                uart2_xfer: uart2-xfer {
-                                        rockchip,pins = <RK_GPIO1 8 RK_FUNC_1 &pcfg_pull_none>,
+                                        rockchip,pins = <RK_GPIO1 8 RK_FUNC_1 &pcfg_pull_up>,
                                                        <RK_GPIO1 9 RK_FUNC_1 &pcfg_pull_none>;
                                };
                                /* no rts / cts for uart2 */
@@ -187,7 +187,7 @@
                        uart3 {
                                uart3_xfer: uart3-xfer {
-                                        rockchip,pins = <RK_GPIO1 10 RK_FUNC_1 &pcfg_pull_none>,
+                                        rockchip,pins = <RK_GPIO1 10 RK_FUNC_1 &pcfg_pull_up>,
                                                        <RK_GPIO1 11 RK_FUNC_1 &pcfg_pull_none>;
                                };
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi
index b7bd3b9a6753..5ecf552e1c00 100644
--- a/arch/arm/boot/dts/sh73a0.dtsi
+++ b/arch/arm/boot/dts/sh73a0.dtsi
@@ -34,7 +34,6 @@
        gic: interrupt-controller@f0001000 {
                compatible = "arm,cortex-a9-gic";
                #interrupt-cells = <3>;
-                #address-cells = <1>;
                interrupt-controller;
                reg = <0xf0001000 0x1000>,
                      <0xf0000100 0x100>;
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index cf45a1a39483..6d540a025148 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -233,19 +233,6 @@
                status = "disabled";
        };
-        serial@0,70006400 {
-                compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
-                reg = <0x0 0x70006400 0x0 0x40>;
-                reg-shift = <2>;
-                interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
-                clocks = <&tegra_car TEGRA124_CLK_UARTE>;
-                resets = <&tegra_car 66>;
-                reset-names = "serial";
-                dmas = <&apbdma 20>, <&apbdma 20>;
-                dma-names = "rx", "tx";
-                status = "disabled";
-        };
        pwm@0,7000a000 {
                compatible = "nvidia,tegra124-pwm", "nvidia,tegra20-pwm";
                reg = <0x0 0x7000a000 0x0 0x100>;
diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts
index 7dd1d6ede525..ded361075aab 100644
--- a/arch/arm/boot/dts/vf610-twr.dts
+++ b/arch/arm/boot/dts/vf610-twr.dts
@@ -25,11 +25,13 @@
        clocks {
                audio_ext {
                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <24576000>;
                };
                enet_ext {
                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <50000000>;
                };
        };
diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi
index 804873367669..b8ce0aa7b157 100644
--- a/arch/arm/boot/dts/vf610.dtsi
+++ b/arch/arm/boot/dts/vf610.dtsi
@@ -45,11 +45,13 @@
                sxosc {
                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <32768>;
                };
                fxosc {
                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
                        clock-frequency = <24000000>;
                };
        };
@@ -72,8 +74,6 @@
                        intc: interrupt-controller@40002000 {
                                compatible = "arm,cortex-a9-gic";
                                #interrupt-cells = <3>;
-                                #address-cells = <1>;
-                                #size-cells = <1>;
                                interrupt-controller;
                                reg = <0x40003000 0x1000>,
                                      <0x40002100 0x100>;
diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index 511180769af5..c1176abc34d9 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -24,6 +24,7 @@
                        device_type = "cpu";
                        reg = <0>;
                        clocks = <&clkc 3>;
+                        clock-latency = <1000>;
                        operating-points = <
                                /* kHz    uV */
                                666667  1000000
@@ -54,6 +55,28 @@
                interrupt-parent = <&intc>;
                ranges;
+                i2c0: zynq-i2c@e0004000 {
+                        compatible = "cdns,i2c-r1p10";
+                        status = "disabled";
+                        clocks = <&clkc 38>;
+                        interrupt-parent = <&intc>;
+                        interrupts = <0 25 4>;
+                        reg = <0xe0004000 0x1000>;
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                };
+                i2c1: zynq-i2c@e0005000 {
+                        compatible = "cdns,i2c-r1p10";
+                        status = "disabled";
+                        clocks = <&clkc 39>;
+                        interrupt-parent = <&intc>;
+                        interrupts = <0 48 4>;
+                        reg = <0xe0005000 0x1000>;
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                };
                intc: interrupt-controller@f8f01000 {
                        compatible = "arm,cortex-a9-gic";
                        #interrupt-cells = <3>;
diff --git a/arch/arm/boot/dts/zynq-zc702.dts b/arch/arm/boot/dts/zynq-zc702.dts
index c913f77a21eb..5e09cee33d42 100644
--- a/arch/arm/boot/dts/zynq-zc702.dts
+++ b/arch/arm/boot/dts/zynq-zc702.dts
@@ -34,6 +34,82 @@
        phy-mode = "rgmii";
 };
+&i2c0 {
+        status = "okay";
+        clock-frequency = <400000>;
+        i2cswitch@74 {
+                compatible = "nxp,pca9548";
+                #address-cells = <1>;
+                #size-cells = <0>;
+                reg = <0x74>;
+                i2c@0 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <0>;
+                        si570: clock-generator@5d {
+                                #clock-cells = <0>;
+                                compatible = "silabs,si570";
+                                temperature-stability = <50>;
+                                reg = <0x5d>;
+                                factory-fout = <156250000>;
+                                clock-frequency = <148500000>;
+                        };
+                };
+                i2c@2 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <2>;
+                        eeprom@54 {
+                                compatible = "at,24c08";
+                                reg = <0x54>;
+                        };
+                };
+                i2c@3 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <3>;
+                        gpio@21 {
+                                compatible = "ti,tca6416";
+                                reg = <0x21>;
+                                gpio-controller;
+                                #gpio-cells = <2>;
+                        };
+                };
+                i2c@4 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <4>;
+                        rtc@51 {
+                                compatible = "nxp,pcf8563";
+                                reg = <0x51>;
+                        };
+                };
+                i2c@7 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <7>;
+                        hwmon@52 {
+                                compatible = "ti,ucd9248";
+                                reg = <52>;
+                        };
+                        hwmon@53 {
+                                compatible = "ti,ucd9248";
+                                reg = <53>;
+                        };
+                        hwmon@54 {
+                                compatible = "ti,ucd9248";
+                                reg = <54>;
+                        };
+                };
+        };
+};
 &sdhci0 {
        status = "okay";
 };
diff --git a/arch/arm/boot/dts/zynq-zc706.dts b/arch/arm/boot/dts/zynq-zc706.dts
index 88f62c50382e..4cc9913078cd 100644
--- a/arch/arm/boot/dts/zynq-zc706.dts
+++ b/arch/arm/boot/dts/zynq-zc706.dts
@@ -35,6 +35,74 @@
        phy-mode = "rgmii";
 };
+&i2c0 {
+        status = "okay";
+        clock-frequency = <400000>;
+        i2cswitch@74 {
+                compatible = "nxp,pca9548";
+                #address-cells = <1>;
+                #size-cells = <0>;
+                reg = <0x74>;
+                i2c@0 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <0>;
+                        si570: clock-generator@5d {
+                                #clock-cells = <0>;
+                                compatible = "silabs,si570";
+                                temperature-stability = <50>;
+                                reg = <0x5d>;
+                                factory-fout = <156250000>;
+                                clock-frequency = <148500000>;
+                        };
+                };
+                i2c@2 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <2>;
+                        eeprom@54 {
+                                compatible = "at,24c08";
+                                reg = <0x54>;
+                        };
+                };
+                i2c@3 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <3>;
+                        gpio@21 {
+                                compatible = "ti,tca6416";
+                                reg = <0x21>;
+                                gpio-controller;
+                                #gpio-cells = <2>;
+                        };
+                };
+                i2c@4 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <4>;
+                        rtc@51 {
+                                compatible = "nxp,pcf8563";
+                                reg = <0x51>;
+                        };
+                };
+                i2c@7 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        reg = <7>;
+                        ucd90120@65 {
+                                compatible = "ti,ucd90120";
+                                reg = <0x65>;
+                        };
+                };
+        };
+};
 &sdhci0 {
        status = "okay";
 };
diff --git a/arch/arm/common/bL_switcher.c b/arch/arm/common/bL_switcher.c
index 5774b6ea7ad5..f01c0ee0c87e 100644
--- a/arch/arm/common/bL_switcher.c
+++ b/arch/arm/common/bL_switcher.c
@@ -797,10 +797,8 @@ static int __init bL_switcher_init(void)
 {
        int ret;
-        if (MAX_NR_CLUSTERS != 2) {
+        if (!mcpm_is_available())
-                pr_err("%s: only dual cluster systems are supported\n", __func__);
+                return -ENODEV;
-                return -EINVAL;
-        }
        cpu_notifier(bL_switcher_hotplug_callback, 0);
diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c
index 1e361abc29eb..86fd60fefbc9 100644
--- a/arch/arm/common/mcpm_entry.c
+++ b/arch/arm/common/mcpm_entry.c
@@ -48,6 +48,11 @@ int __init mcpm_platform_register(const struct mcpm_platform_ops *ops)
        return 0;
 }
+bool mcpm_is_available(void)
+{
+        return (platform_ops) ? true : false;
+}
 int mcpm_cpu_power_up(unsigned int cpu, unsigned int cluster)
 {
        if (!platform_ops)
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index a9667957b757..a4e8d017f25b 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -226,7 +226,7 @@ CONFIG_USB_DWC3=m
 CONFIG_USB_TEST=y
 CONFIG_NOP_USB_XCEIV=y
 CONFIG_OMAP_USB2=y
-CONFIG_OMAP_USB3=y
+CONFIG_TI_PIPE3=y
 CONFIG_AM335X_PHY_USB=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_DEBUG=y
diff --git a/arch/arm/configs/u300_defconfig b/arch/arm/configs/u300_defconfig
index fd81a1b99cce..aaa95ab606a8 100644
--- a/arch/arm/configs/u300_defconfig
+++ b/arch/arm/configs/u300_defconfig
@@ -11,6 +11,7 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
 # CONFIG_IOSCHED_CFQ is not set
 # CONFIG_ARCH_MULTI_V7 is not set
 CONFIG_ARCH_U300=y
@@ -21,7 +22,6 @@ CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CMDLINE="root=/dev/ram0 rw rootfstype=rootfs console=ttyAMA0,115200n8 lpj=515072"
 CONFIG_CPU_IDLE=y
-CONFIG_FPE_NWFPE=y
 # CONFIG_SUSPEND is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
@@ -64,8 +64,8 @@ CONFIG_TMPFS=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_PRINTK_TIME=y
+CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_FS=y
 # CONFIG_SCHED_DEBUG is not set
 CONFIG_TIMER_STATS=y
 # CONFIG_DEBUG_PREEMPT is not set
-CONFIG_DEBUG_INFO=y
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index 65f77885c167..d219d6a43238 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig
@@ -1,16 +1,16 @@
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
-CONFIG_NO_HZ=y
+CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
 CONFIG_ARCH_U8500=y
 CONFIG_MACH_HREFV60=y
 CONFIG_MACH_SNOWBALL=y
-CONFIG_MACH_UX500_DT=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=2
 CONFIG_PREEMPT=y
@@ -34,16 +34,22 @@ CONFIG_IP_PNP=y
 CONFIG_IP_PNP_DHCP=y
 CONFIG_NETFILTER=y
 CONFIG_PHONET=y
-# CONFIG_WIRELESS is not set
+CONFIG_CFG80211=y
+CONFIG_CFG80211_DEBUGFS=y
+CONFIG_MAC80211=y
+CONFIG_MAC80211_LEDS=y
 CONFIG_CAIF=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=65536
 CONFIG_SENSORS_BH1780=y
 CONFIG_NETDEVICES=y
 CONFIG_SMSC911X=y
 CONFIG_SMSC_PHY=y
-# CONFIG_WLAN is not set
+CONFIG_CW1200=y
+CONFIG_CW1200_WLAN_SDIO=y
 # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_KEYBOARD_ATKBD is not set
@@ -85,15 +91,12 @@ CONFIG_AB8500_USB=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_ETH=m
 CONFIG_MMC=y
-CONFIG_MMC_UNSAFE_RESUME=y
-# CONFIG_MMC_BLOCK_BOUNCE is not set
 CONFIG_MMC_ARMMMCI=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_LM3530=y
 CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_LP5521=y
-CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_AB8500=y
@@ -103,6 +106,11 @@ CONFIG_STE_DMA40=y
 CONFIG_STAGING=y
 CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4=y
 CONFIG_HSEM_U8500=y
+CONFIG_IIO=y
+CONFIG_IIO_ST_ACCEL_3AXIS=y
+CONFIG_IIO_ST_GYRO_3AXIS=y
+CONFIG_IIO_ST_MAGN_3AXIS=y
+CONFIG_IIO_ST_PRESS=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT2_FS_POSIX_ACL=y
@@ -110,8 +118,6 @@ CONFIG_EXT2_FS_SECURITY=y
 CONFIG_EXT3_FS=y
 CONFIG_EXT4_FS=y
 CONFIG_VFAT_FS=y
-CONFIG_DEVTMPFS=y
-CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
 # CONFIG_MISC_FILESYSTEMS is not set
diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h
index c651e3b26ec7..4764344367d4 100644
--- a/arch/arm/include/asm/cputype.h
+++ b/arch/arm/include/asm/cputype.h
@@ -222,22 +222,22 @@ static inline int cpu_is_xsc3(void)
 #endif
 /*
- * Marvell's PJ4 core is based on V7 version. It has some modification
+ * Marvell's PJ4 and PJ4B cores are based on V7 version,
- * for coprocessor setting. For this reason, we need a way to distinguish
+ * but require a specical sequence for enabling coprocessors.
- * it.
+ * For this reason, we need a way to distinguish them.
 */
-#ifndef CONFIG_CPU_PJ4
+#if defined(CONFIG_CPU_PJ4) || defined(CONFIG_CPU_PJ4B)
-#define cpu_is_pj4()    0
-#else
 static inline int cpu_is_pj4(void)
 {
        unsigned int id;
        id = read_cpuid_id();
-        if ((id & 0xfffffff0) == 0x562f5840)
+        if ((id & 0xff0fff00) == 0x560f5800)
                return 1;
        return 0;
 }
+#else
+#define cpu_is_pj4()    0
 #endif
 #endif
diff --git a/arch/arm/include/asm/div64.h b/arch/arm/include/asm/div64.h
index 191ada6e4d2d..662c7bd06108 100644
--- a/arch/arm/include/asm/div64.h
+++ b/arch/arm/include/asm/div64.h
@@ -156,7 +156,7 @@
                /* Select the best insn combination to perform the   */ \
                /* actual __m * __n / (__p << 64) operation.         */ \
                if (!__c) {                                             \
-                        asm (   "umull  %Q0, %R0, %1, %Q2\n\t"          \
+                        asm (   "umull  %Q0, %R0, %Q1, %Q2\n\t"         \
                                "mov    %Q0, #0"                        \
                                : "=&r" (__res)                         \
                                : "r" (__m), "r" (__n)                  \
diff --git a/arch/arm/include/asm/mcpm.h b/arch/arm/include/asm/mcpm.h
index 608516ebabfe..a5ff410dcdb6 100644
--- a/arch/arm/include/asm/mcpm.h
+++ b/arch/arm/include/asm/mcpm.h
@@ -54,6 +54,13 @@ void mcpm_set_early_poke(unsigned cpu, unsigned cluster,
 */
 /**
+ * mcpm_is_available - returns whether MCPM is initialized and available
+ *
+ * This returns true or false accordingly.
+ */
+bool mcpm_is_available(void);
+/**
 * mcpm_cpu_power_up - make given CPU in given cluster runable
 *
 * @cpu: CPU number within given cluster
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 0baf7f0d9394..f1a0dace3efe 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -98,15 +98,25 @@ static inline void __tlb_alloc_page(struct mmu_gather *tlb)
        }
 }
-static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
 {
        tlb_flush(tlb);
+}
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
        free_pages_and_swap_cache(tlb->pages, tlb->nr);
        tlb->nr = 0;
        if (tlb->pages == tlb->local)
                __tlb_alloc_page(tlb);
 }
+static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+{
+        tlb_flush_mmu_tlbonly(tlb);
+        tlb_flush_mmu_free(tlb);
+}
 static inline void
 tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
 {
diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h
index fb5584d0cc05..ba94446c72d9 100644
--- a/arch/arm/include/uapi/asm/unistd.h
+++ b/arch/arm/include/uapi/asm/unistd.h
@@ -408,6 +408,7 @@
 #define __NR_finit_module               (__NR_SYSCALL_BASE+379)
 #define __NR_sched_setattr              (__NR_SYSCALL_BASE+380)
 #define __NR_sched_getattr              (__NR_SYSCALL_BASE+381)
+#define __NR_renameat2                  (__NR_SYSCALL_BASE+382)
 /*
 * This may need to be greater than __NR_last_syscall+1 in order to
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index a766bcbaf8ad..040619c32d68 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -79,6 +79,7 @@ obj-$(CONFIG_CPU_XSCALE)	+= xscale-cp0.o
 obj-$(CONFIG_CPU_XSC3)          += xscale-cp0.o
 obj-$(CONFIG_CPU_MOHAWK)        += xscale-cp0.o
 obj-$(CONFIG_CPU_PJ4)           += pj4-cp0.o
+obj-$(CONFIG_CPU_PJ4B)          += pj4-cp0.o
 obj-$(CONFIG_IWMMXT)            += iwmmxt.o
 obj-$(CONFIG_PERF_EVENTS)       += perf_regs.o
 obj-$(CONFIG_HW_PERF_EVENTS)    += perf_event.o perf_event_cpu.o
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 166e945de832..8f51bdcdacbb 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -391,6 +391,7 @@
                CALL(sys_finit_module)
 /* 380 */       CALL(sys_sched_setattr)
                CALL(sys_sched_getattr)
+                CALL(sys_renameat2)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index f8c08839edf3..591d6e4a6492 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -587,7 +587,7 @@ __fixup_pv_table:
        add     r6, r6, r3      @ adjust __pv_phys_pfn_offset address
        add     r7, r7, r3      @ adjust __pv_offset address
        mov     r0, r8, lsr #12 @ convert to PFN
-        str     r0, [r6, #LOW_OFFSET]   @ save computed PHYS_OFFSET to __pv_phys_pfn_offset
+        str     r0, [r6]        @ save computed PHYS_OFFSET to __pv_phys_pfn_offset
        strcc   ip, [r7, #HIGH_OFFSET]  @ save to __pv_offset high bits
        mov     r6, r3, lsr #24 @ constant for add/sub instructions
        teq     r3, r6, lsl #24 @ must be 16MiB aligned
diff --git a/arch/arm/kernel/iwmmxt.S b/arch/arm/kernel/iwmmxt.S
index a08783823b32..2452dd1bef53 100644
--- a/arch/arm/kernel/iwmmxt.S
+++ b/arch/arm/kernel/iwmmxt.S
@@ -19,12 +19,16 @@
 #include <asm/thread_info.h>
 #include <asm/asm-offsets.h>
-#if defined(CONFIG_CPU_PJ4)
+#if defined(CONFIG_CPU_PJ4) || defined(CONFIG_CPU_PJ4B)
 #define PJ4(code...)            code
 #define XSC(code...)
-#else
+#elif defined(CONFIG_CPU_MOHAWK) || \
+        defined(CONFIG_CPU_XSC3) || \
+        defined(CONFIG_CPU_XSCALE)
 #define PJ4(code...)
 #define XSC(code...)            code
+#else
+#error "Unsupported iWMMXt architecture"
 #endif
 #define MMX_WR0                 (0x00)
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index f0d180d8b29f..8cf0996aa1a8 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -184,3 +184,10 @@ void machine_kexec(struct kimage *image)
        soft_restart(reboot_entry_phys);
 }
+void arch_crash_save_vmcoreinfo(void)
+{
+#ifdef CONFIG_ARM_LPAE
+        VMCOREINFO_CONFIG(ARM_LPAE);
+#endif
+}
diff --git a/arch/arm/kernel/pj4-cp0.c b/arch/arm/kernel/pj4-cp0.c
index fc7208636284..8153e36b2491 100644
--- a/arch/arm/kernel/pj4-cp0.c
+++ b/arch/arm/kernel/pj4-cp0.c
@@ -45,7 +45,7 @@ static int iwmmxt_do(struct notifier_block *self, unsigned long cmd, void *t)
        return NOTIFY_DONE;
 }
-static struct notifier_block iwmmxt_notifier_block = {
+static struct notifier_block __maybe_unused iwmmxt_notifier_block = {
        .notifier_call  = iwmmxt_do,
 };
@@ -72,6 +72,33 @@ static void __init pj4_cp_access_write(u32 value)
                : "=r" (temp) : "r" (value));
 }
+static int __init pj4_get_iwmmxt_version(void)
+{
+        u32 cp_access, wcid;
+        cp_access = pj4_cp_access_read();
+        pj4_cp_access_write(cp_access | 0xf);
+        /* check if coprocessor 0 and 1 are available */
+        if ((pj4_cp_access_read() & 0xf) != 0xf) {
+                pj4_cp_access_write(cp_access);
+                return -ENODEV;
+        }
+        /* read iWMMXt coprocessor id register p1, c0 */
+        __asm__ __volatile__ ("mrc    p1, 0, %0, c0, c0, 0\n" : "=r" (wcid));
+        pj4_cp_access_write(cp_access);
+        /* iWMMXt v1 */
+        if ((wcid & 0xffffff00) == 0x56051000)
+                return 1;
+        /* iWMMXt v2 */
+        if ((wcid & 0xffffff00) == 0x56052000)
+                return 2;
+        return -EINVAL;
+}
 /*
 * Disable CP0/CP1 on boot, and let call_fpe() and the iWMMXt lazy
@@ -79,17 +106,26 @@ static void __init pj4_cp_access_write(u32 value)
 */
 static int __init pj4_cp0_init(void)
 {
-        u32 cp_access;
+        u32 __maybe_unused cp_access;
+        int vers;
        if (!cpu_is_pj4())
                return 0;
+        vers = pj4_get_iwmmxt_version();
+        if (vers < 0)
+                return 0;
+#ifndef CONFIG_IWMMXT
+        pr_info("PJ4 iWMMXt coprocessor detected, but kernel support is missing.\n");
+#else
        cp_access = pj4_cp_access_read() & ~0xf;
        pj4_cp_access_write(cp_access);
-        printk(KERN_INFO "PJ4 iWMMXt coprocessor enabled.\n");
+        pr_info("PJ4 iWMMXt v%d coprocessor enabled.\n", vers);
        elf_hwcap |= HWCAP_IWMMXT;
        thread_register_notifier(&iwmmxt_notifier_block);
+#endif
        return 0;
 }
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index 702bd329d9d0..e90a3148f385 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -203,9 +203,9 @@ asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd,
        int ret;
        switch (cmd) {
-        case F_GETLKP:
+        case F_OFD_GETLK:
-        case F_SETLKP:
+        case F_OFD_SETLK:
-        case F_SETLKPW:
+        case F_OFD_SETLKW:
        case F_GETLK64:
        case F_SETLK64:
        case F_SETLKW64:
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 8b1b0a870025..a0282928e9c1 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -1296,7 +1296,7 @@ static struct resource adc_resources[] = {
 };
 static struct platform_device at91_adc_device = {
-        .name           = "at91_adc",
+        .name           = "at91sam9260-adc",
        .id             = -1,
        .dev            = {
                                .platform_data          = &adc_data,
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 77b04c2edd78..dab362c06487 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -1204,7 +1204,7 @@ static struct resource adc_resources[] = {
 };
 static struct platform_device at91_adc_device = {
-        .name           = "at91_adc",
+        .name           = "at91sam9g45-adc",
        .id             = -1,
        .dev            = {
                                .platform_data  = &adc_data,
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index b0e7f9d2c245..2b4d6acfa34a 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -208,8 +208,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
         * the "output_enable" bit as a gate, even though it's really just
         * enabling clock output.
         */
-        clk[lvds1_gate] = imx_clk_gate("lvds1_gate", "dummy", base + 0x160, 10);
+        clk[lvds1_gate] = imx_clk_gate("lvds1_gate", "lvds1_sel", base + 0x160, 10);
-        clk[lvds2_gate] = imx_clk_gate("lvds2_gate", "dummy", base + 0x160, 11);
+        clk[lvds2_gate] = imx_clk_gate("lvds2_gate", "lvds2_sel", base + 0x160, 11);
        /*                                name              parent_name        reg       idx */
        clk[pll2_pfd0_352m] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus",     base + 0x100, 0);
@@ -258,14 +258,14 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
        clk[ipu2_sel]         = imx_clk_mux("ipu2_sel",         base + 0x3c, 14, 2, ipu_sels,          ARRAY_SIZE(ipu_sels));
        clk[ldb_di0_sel]      = imx_clk_mux_flags("ldb_di0_sel", base + 0x2c, 9,  3, ldb_di_sels,      ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT);
        clk[ldb_di1_sel]      = imx_clk_mux_flags("ldb_di1_sel", base + 0x2c, 12, 3, ldb_di_sels,      ARRAY_SIZE(ldb_di_sels), CLK_SET_RATE_PARENT);
-        clk[ipu1_di0_pre_sel] = imx_clk_mux("ipu1_di0_pre_sel", base + 0x34, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
+        clk[ipu1_di0_pre_sel] = imx_clk_mux_flags("ipu1_di0_pre_sel", base + 0x34, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
-        clk[ipu1_di1_pre_sel] = imx_clk_mux("ipu1_di1_pre_sel", base + 0x34, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
+        clk[ipu1_di1_pre_sel] = imx_clk_mux_flags("ipu1_di1_pre_sel", base + 0x34, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
-        clk[ipu2_di0_pre_sel] = imx_clk_mux("ipu2_di0_pre_sel", base + 0x38, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
+        clk[ipu2_di0_pre_sel] = imx_clk_mux_flags("ipu2_di0_pre_sel", base + 0x38, 6,  3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
-        clk[ipu2_di1_pre_sel] = imx_clk_mux("ipu2_di1_pre_sel", base + 0x38, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels));
+        clk[ipu2_di1_pre_sel] = imx_clk_mux_flags("ipu2_di1_pre_sel", base + 0x38, 15, 3, ipu_di_pre_sels,   ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
-        clk[ipu1_di0_sel]     = imx_clk_mux("ipu1_di0_sel",     base + 0x34, 0,  3, ipu1_di0_sels,     ARRAY_SIZE(ipu1_di0_sels));
+        clk[ipu1_di0_sel]     = imx_clk_mux_flags("ipu1_di0_sel",     base + 0x34, 0,  3, ipu1_di0_sels,     ARRAY_SIZE(ipu1_di0_sels), CLK_SET_RATE_PARENT);
-        clk[ipu1_di1_sel]     = imx_clk_mux("ipu1_di1_sel",     base + 0x34, 9,  3, ipu1_di1_sels,     ARRAY_SIZE(ipu1_di1_sels));
+        clk[ipu1_di1_sel]     = imx_clk_mux_flags("ipu1_di1_sel",     base + 0x34, 9,  3, ipu1_di1_sels,     ARRAY_SIZE(ipu1_di1_sels), CLK_SET_RATE_PARENT);
-        clk[ipu2_di0_sel]     = imx_clk_mux("ipu2_di0_sel",     base + 0x38, 0,  3, ipu2_di0_sels,     ARRAY_SIZE(ipu2_di0_sels));
+        clk[ipu2_di0_sel]     = imx_clk_mux_flags("ipu2_di0_sel",     base + 0x38, 0,  3, ipu2_di0_sels,     ARRAY_SIZE(ipu2_di0_sels), CLK_SET_RATE_PARENT);
-        clk[ipu2_di1_sel]     = imx_clk_mux("ipu2_di1_sel",     base + 0x38, 9,  3, ipu2_di1_sels,     ARRAY_SIZE(ipu2_di1_sels));
+        clk[ipu2_di1_sel]     = imx_clk_mux_flags("ipu2_di1_sel",     base + 0x38, 9,  3, ipu2_di1_sels,     ARRAY_SIZE(ipu2_di1_sels), CLK_SET_RATE_PARENT);
        clk[hsi_tx_sel]       = imx_clk_mux("hsi_tx_sel",       base + 0x30, 28, 1, hsi_tx_sels,       ARRAY_SIZE(hsi_tx_sels));
        clk[pcie_axi_sel]     = imx_clk_mux("pcie_axi_sel",     base + 0x18, 10, 1, pcie_axi_sels,     ARRAY_SIZE(pcie_axi_sels));
        clk[ssi1_sel]         = imx_clk_fixup_mux("ssi1_sel",   base + 0x1c, 10, 2, ssi_sels,          ARRAY_SIZE(ssi_sels),          imx_cscmr1_fixup);
@@ -445,6 +445,15 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
                clk_set_parent(clk[ldb_di1_sel], clk[pll5_video_div]);
        }
+        clk_set_parent(clk[ipu1_di0_pre_sel], clk[pll5_video_div]);
+        clk_set_parent(clk[ipu1_di1_pre_sel], clk[pll5_video_div]);
+        clk_set_parent(clk[ipu2_di0_pre_sel], clk[pll5_video_div]);
+        clk_set_parent(clk[ipu2_di1_pre_sel], clk[pll5_video_div]);
+        clk_set_parent(clk[ipu1_di0_sel], clk[ipu1_di0_pre]);
+        clk_set_parent(clk[ipu1_di1_sel], clk[ipu1_di1_pre]);
+        clk_set_parent(clk[ipu2_di0_sel], clk[ipu2_di0_pre]);
+        clk_set_parent(clk[ipu2_di1_sel], clk[ipu2_di1_pre]);
        /*
         * The gpmi needs 100MHz frequency in the EDO/Sync mode,
         * We can not get the 100MHz from the pll2_pfd0_352m.
diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c
index 43a90c8d6837..9cfebc5c7455 100644
--- a/arch/arm/mach-omap2/board-rx51-video.c
+++ b/arch/arm/mach-omap2/board-rx51-video.c
@@ -48,7 +48,7 @@ static struct omap_dss_board_info rx51_dss_board_info = {
 static int __init rx51_video_init(void)
 {
-        if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
+        if (!machine_is_nokia_rx51())
                return 0;
        if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c
index 2649ce445845..332af927f4d3 100644
--- a/arch/arm/mach-omap2/clkt_dpll.c
+++ b/arch/arm/mach-omap2/clkt_dpll.c
@@ -209,7 +209,7 @@ u8 omap2_init_dpll_parent(struct clk_hw *hw)
                if (v == OMAP3XXX_EN_DPLL_LPBYPASS ||
                    v == OMAP3XXX_EN_DPLL_FRBYPASS)
                        return 1;
-        } else if (soc_is_am33xx() || cpu_is_omap44xx()) {
+        } else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx()) {
                if (v == OMAP4XXX_EN_DPLL_LPBYPASS ||
                    v == OMAP4XXX_EN_DPLL_FRBYPASS ||
                    v == OMAP4XXX_EN_DPLL_MNBYPASS)
@@ -255,7 +255,7 @@ unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk)
                if (v == OMAP3XXX_EN_DPLL_LPBYPASS ||
                    v == OMAP3XXX_EN_DPLL_FRBYPASS)
                        return __clk_get_rate(dd->clk_bypass);
-        } else if (soc_is_am33xx() || cpu_is_omap44xx()) {
+        } else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx()) {
                if (v == OMAP4XXX_EN_DPLL_LPBYPASS ||
                    v == OMAP4XXX_EN_DPLL_FRBYPASS ||
                    v == OMAP4XXX_EN_DPLL_MNBYPASS)
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index ab43755364f5..9fe8c949305c 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -501,7 +501,7 @@ static int gpmc_cs_delete_mem(int cs)
        int r;
        spin_lock(&gpmc_mem_lock);
-        r = release_resource(&gpmc_cs_mem[cs]);
+        r = release_resource(res);
        res->start = 0;
        res->end = 0;
        spin_unlock(&gpmc_mem_lock);
@@ -527,6 +527,14 @@ static int gpmc_cs_remap(int cs, u32 base)
                pr_err("%s: requested chip-select is disabled\n", __func__);
                return -ENODEV;
        }
+        /*
+         * Make sure we ignore any device offsets from the GPMC partition
+         * allocated for the chip select and that the new base confirms
+         * to the GPMC 16MB minimum granularity.
+         */ 
+        base &= ~(SZ_16M - 1);
        gpmc_cs_get_memconf(cs, &old_base, &size);
        if (base == old_base)
                return 0;
@@ -586,6 +594,8 @@ EXPORT_SYMBOL(gpmc_cs_request);
 void gpmc_cs_free(int cs)
 {
+        struct resource *res = &gpmc_cs_mem[cs];
        spin_lock(&gpmc_mem_lock);
        if (cs >= gpmc_cs_num || cs < 0 || !gpmc_cs_reserved(cs)) {
                printk(KERN_ERR "Trying to free non-reserved GPMC CS%d\n", cs);
@@ -594,7 +604,8 @@ void gpmc_cs_free(int cs)
                return;
        }
        gpmc_cs_disable_mem(cs);
-        release_resource(&gpmc_cs_mem[cs]);
+        if (res->flags)
+                release_resource(res);
        gpmc_cs_set_reserved(cs, 0);
        spin_unlock(&gpmc_mem_lock);
 }
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 1f33f5db10d5..66c60fe1104c 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2546,11 +2546,12 @@ static int __init _init(struct omap_hwmod *oh, void *data)
                return -EINVAL;
        }
-        if (np)
+        if (np) {
                if (of_find_property(np, "ti,no-reset-on-init", NULL))
                        oh->flags |= HWMOD_INIT_NO_RESET;
                if (of_find_property(np, "ti,no-idle-on-init", NULL))
                        oh->flags |= HWMOD_INIT_NO_IDLE;
+        }
        oh->_state = _HWMOD_STATE_INITIALIZED;
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index a123ff0070bd..71ac7d5f3385 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1964,7 +1964,7 @@ static struct omap_hwmod_irq_info omap3xxx_usb_host_hs_irqs[] = {
 static struct omap_hwmod omap3xxx_usb_host_hs_hwmod = {
        .name           = "usb_host_hs",
        .class          = &omap3xxx_usb_host_hs_hwmod_class,
-        .clkdm_name     = "l3_init_clkdm",
+        .clkdm_name     = "usbhost_clkdm",
        .mpu_irqs       = omap3xxx_usb_host_hs_irqs,
        .main_clk       = "usbhost_48m_fck",
        .prcm = {
@@ -2047,7 +2047,7 @@ static struct omap_hwmod_irq_info omap3xxx_usb_tll_hs_irqs[] = {
 static struct omap_hwmod omap3xxx_usb_tll_hs_hwmod = {
        .name           = "usb_tll_hs",
        .class          = &omap3xxx_usb_tll_hs_hwmod_class,
-        .clkdm_name     = "l3_init_clkdm",
+        .clkdm_name     = "core_l4_clkdm",
        .mpu_irqs       = omap3xxx_usb_tll_hs_irqs,
        .main_clk       = "usbtll_fck",
        .prcm = {
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 1f3770a8a728..87099bb6de69 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -330,10 +330,6 @@ void omap_sram_idle(void)
                        omap3_sram_restore_context();
                        omap2_sms_restore_context();
                }
-                if (core_next_state == PWRDM_POWER_OFF)
-                        omap2_prm_clear_mod_reg_bits(OMAP3430_AUTO_OFF_MASK,
-                                               OMAP3430_GR_MOD,
-                                               OMAP3_PRM_VOLTCTRL_OFFSET);
        }
        omap3_intc_resume_idle();
diff --git a/arch/arm/mach-pxa/include/mach/hx4700.h b/arch/arm/mach-pxa/include/mach/hx4700.h
index 8bc02913517c..0e1bb46264f9 100644
--- a/arch/arm/mach-pxa/include/mach/hx4700.h
+++ b/arch/arm/mach-pxa/include/mach/hx4700.h
@@ -14,6 +14,7 @@
 #include <linux/gpio.h>
 #include <linux/mfd/asic3.h>
+#include "irqs.h" /* PXA_NR_BUILTIN_GPIO */
 #define HX4700_ASIC3_GPIO_BASE  PXA_NR_BUILTIN_GPIO
 #define HX4700_EGPIO_BASE       (HX4700_ASIC3_GPIO_BASE + ASIC3_NUM_GPIOS)
diff --git a/arch/arm/mach-rockchip/platsmp.c b/arch/arm/mach-rockchip/platsmp.c
index dbfa5a26cfff..072842f6491b 100644
--- a/arch/arm/mach-rockchip/platsmp.c
+++ b/arch/arm/mach-rockchip/platsmp.c
@@ -152,7 +152,7 @@ static void __init rockchip_smp_prepare_cpus(unsigned int max_cpus)
        node = of_find_compatible_node(NULL, NULL, "rockchip,rk3066-pmu");
        if (!node) {
-                pr_err("%s: could not find sram dt node\n", __func__);
+                pr_err("%s: could not find pmu dt node\n", __func__);
                return;
        }
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 2858f380beae..486063db2a2f 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -992,6 +992,7 @@ static struct asoc_simple_card_info fsi_wm8978_info = {
        .platform       = "sh_fsi2",
        .daifmt         = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM,
        .cpu_dai = {
+                .fmt    = SND_SOC_DAIFMT_IB_NF,
                .name   = "fsia-dai",
        },
        .codec_dai = {
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index f0104bfe544e..18c7e0311aa6 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -588,14 +588,12 @@ static struct asoc_simple_card_info rsnd_card_info = {
        .card           = "SSI01-AK4643",
        .codec          = "ak4642-codec.2-0012",
        .platform       = "rcar_sound",
-        .daifmt         = SND_SOC_DAIFMT_LEFT_J,
+        .daifmt         = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_CBM_CFM,
        .cpu_dai = {
                .name   = "rcar_sound",
-                .fmt    = SND_SOC_DAIFMT_CBS_CFS,
        },
        .codec_dai = {
                .name   = "ak4642-hifi",
-                .fmt    = SND_SOC_DAIFMT_CBM_CFM,
                .sysclk = 11289600,
        },
 };
diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c
index 2009a9bc6356..9989b1b06ffd 100644
--- a/arch/arm/mach-shmobile/clock-r8a7778.c
+++ b/arch/arm/mach-shmobile/clock-r8a7778.c
@@ -170,7 +170,7 @@ static struct clk mstp_clks[MSTP_NR] = {
        [MSTP010] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 10, 0), /* SSI2 */
        [MSTP009] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  9, 0), /* SSI3 */
        [MSTP008] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  8, 0), /* SRU */
-        [MSTP007] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  7, 0), /* HSPI */
+        [MSTP007] = SH_CLK_MSTP32(&s_clk, MSTPCR0,  7, 0), /* HSPI */
 };
 static struct clk_lookup lookups[] = {
diff --git a/arch/arm/mach-spear/time.c b/arch/arm/mach-spear/time.c
index 64790353951f..26fda4ed4d51 100644
--- a/arch/arm/mach-spear/time.c
+++ b/arch/arm/mach-spear/time.c
@@ -71,7 +71,7 @@ static void clockevent_set_mode(enum clock_event_mode mode,
 static int clockevent_next_event(unsigned long evt,
                                 struct clock_event_device *clk_event_dev);
-static void spear_clocksource_init(void)
+static void __init spear_clocksource_init(void)
 {
        u32 tick_rate;
        u16 val;
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 92d660f9610f..55b305d51669 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -70,7 +70,4 @@ config TEGRA_AHB
          which controls AHB bus master arbitration and some
          performance parameters(priority, prefech size).
-config TEGRA_EMC_SCALING_ENABLE
-        bool "Enable scaling the memory frequency"
 endmenu
diff --git a/arch/arm/mach-vexpress/dcscb.c b/arch/arm/mach-vexpress/dcscb.c
index 788495d35cf9..30b993399ed7 100644
--- a/arch/arm/mach-vexpress/dcscb.c
+++ b/arch/arm/mach-vexpress/dcscb.c
@@ -51,12 +51,14 @@ static int dcscb_allcpus_mask[2];
 static int dcscb_power_up(unsigned int cpu, unsigned int cluster)
 {
        unsigned int rst_hold, cpumask = (1 << cpu);
-        unsigned int all_mask = dcscb_allcpus_mask[cluster];
+        unsigned int all_mask;
        pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster);
        if (cpu >= 4 || cluster >= 2)
                return -EINVAL;
+        all_mask = dcscb_allcpus_mask[cluster];
        /*
         * Since this is called with IRQs enabled, and no arch_spin_lock_irq
         * variant exists, we need to disable IRQs manually here.
@@ -101,11 +103,12 @@ static void dcscb_power_down(void)
        cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0);
        cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
        cpumask = (1 << cpu);
-        all_mask = dcscb_allcpus_mask[cluster];
        pr_debug("%s: cpu %u cluster %u\n", __func__, cpu, cluster);
        BUG_ON(cpu >= 4 || cluster >= 2);
+        all_mask = dcscb_allcpus_mask[cluster];
        __mcpm_cpu_going_down(cpu, cluster);
        arch_spin_lock(&dcscb_lock);
diff --git a/arch/arm/mach-vexpress/spc.c b/arch/arm/mach-vexpress/spc.c
index c26ef5b92ca7..2c2754e79cb3 100644
--- a/arch/arm/mach-vexpress/spc.c
+++ b/arch/arm/mach-vexpress/spc.c
@@ -392,7 +392,7 @@ static irqreturn_t ve_spc_irq_handler(int irq, void *data)
 *  +--------------------------+
 *  | 31      20 | 19        0 |
 *  +--------------------------+
- *  |   u_volt   |  freq(kHz)  |
+ *  |   m_volt   |  freq(kHz)  |
 *  +--------------------------+
 */
 #define MULT_FACTOR     20
@@ -414,7 +414,7 @@ static int ve_spc_populate_opps(uint32_t cluster)
                ret = ve_spc_read_sys_cfg(SYSCFG_SCC, off, &data);
                if (!ret) {
                        opps->freq = (data & FREQ_MASK) * MULT_FACTOR;
-                        opps->u_volt = data >> VOLT_SHIFT;
+                        opps->u_volt = (data >> VOLT_SHIFT) * 1000;
                } else {
                        break;
                }
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index f5ad9ee70426..5bf7c3c3b301 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -420,29 +420,29 @@ config CPU_32v3
        bool
        select CPU_USE_DOMAINS if MMU
        select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-        select TLS_REG_EMUL if SMP || !MMU
        select NEED_KUSER_HELPERS
+        select TLS_REG_EMUL if SMP || !MMU
 config CPU_32v4
        bool
        select CPU_USE_DOMAINS if MMU
        select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-        select TLS_REG_EMUL if SMP || !MMU
        select NEED_KUSER_HELPERS
+        select TLS_REG_EMUL if SMP || !MMU
 config CPU_32v4T
        bool
        select CPU_USE_DOMAINS if MMU
        select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-        select TLS_REG_EMUL if SMP || !MMU
        select NEED_KUSER_HELPERS
+        select TLS_REG_EMUL if SMP || !MMU
 config CPU_32v5
        bool
        select CPU_USE_DOMAINS if MMU
        select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
-        select TLS_REG_EMUL if SMP || !MMU
        select NEED_KUSER_HELPERS
+        select TLS_REG_EMUL if SMP || !MMU
 config CPU_32v6
        bool
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index f62aa0677e5c..6b00be1f971e 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1963,8 +1963,8 @@ arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, size_t size)
        mapping->nr_bitmaps = 1;
        mapping->extensions = extensions;
        mapping->base = base;
-        mapping->size = bitmap_size << PAGE_SHIFT;
        mapping->bits = BITS_PER_BYTE * bitmap_size;
+        mapping->size = mapping->bits << PAGE_SHIFT;
        spin_lock_init(&mapping->lock);
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c
index 6cac43bd1d86..423f56dd4028 100644
--- a/arch/arm/vfp/vfpdouble.c
+++ b/arch/arm/vfp/vfpdouble.c
@@ -866,6 +866,8 @@ vfp_double_multiply_accumulate(int dd, int dn, int dm, u32 fpscr, u32 negate, ch
                vdp.sign = vfp_sign_negate(vdp.sign);
        vfp_double_unpack(&vdn, vfp_get_double(dd));
+        if (vdn.exponent == 0 && vdn.significand)
+                vfp_double_normalise_denormal(&vdn);
        if (negate & NEG_SUBTRACT)
                vdn.sign = vfp_sign_negate(vdn.sign);
diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c
index b252631b406b..4f96c1617aae 100644
--- a/arch/arm/vfp/vfpsingle.c
+++ b/arch/arm/vfp/vfpsingle.c
@@ -915,6 +915,8 @@ vfp_single_multiply_accumulate(int sd, int sn, s32 m, u32 fpscr, u32 negate, cha
        v = vfp_get_float(sd);
        pr_debug("VFP: s%u = %08x\n", sd, v);
        vfp_single_unpack(&vsn, v);
+        if (vsn.exponent == 0 && vsn.significand)
+                vfp_single_normalise_denormal(&vsn);
        if (negate & NEG_SUBTRACT)
                vsn.sign = vfp_sign_negate(vsn.sign);
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index e6e4d3749a6e..e759af5d7098 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -323,8 +323,6 @@ menu "CPU Power Management"
 source "drivers/cpuidle/Kconfig"
-source "kernel/power/Kconfig"
 source "drivers/cpufreq/Kconfig"
 endmenu
diff --git a/arch/arm64/include/asm/mmu.h b/arch/arm64/include/asm/mmu.h
index f600d400c07d..aff0292c8f4d 100644
--- a/arch/arm64/include/asm/mmu.h
+++ b/arch/arm64/include/asm/mmu.h
@@ -22,6 +22,9 @@ typedef struct {
        void *vdso;
 } mm_context_t;
+#define INIT_MM_CONTEXT(name) \
+        .context.id_lock = __RAW_SPIN_LOCK_UNLOCKED(name.context.id_lock),
 #define ASID(mm)        ((mm)->context.id & 0xffff)
 extern void paging_init(void);
diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h
index 72cadf52ca80..80e2c08900d6 100644
--- a/arch/arm64/include/asm/tlb.h
+++ b/arch/arm64/include/asm/tlb.h
@@ -19,6 +19,7 @@
 #ifndef __ASM_TLB_H
 #define __ASM_TLB_H
+#define  __tlb_remove_pmd_tlb_entry __tlb_remove_pmd_tlb_entry
 #include <asm-generic/tlb.h>
@@ -99,5 +100,10 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp,
 }
 #endif
+static inline void __tlb_remove_pmd_tlb_entry(struct mmu_gather *tlb, pmd_t *pmdp,
+                                                unsigned long address)
+{
+        tlb_add_flush(tlb, address);
+}
 #endif
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index bb8eb8a78e67..c8d8fc17bd5a 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -403,8 +403,9 @@ __SYSCALL(378, sys_kcmp)
 __SYSCALL(379, sys_finit_module)
 __SYSCALL(380, sys_sched_setattr)
 __SYSCALL(381, sys_sched_getattr)
+__SYSCALL(382, sys_renameat2)
-#define __NR_compat_syscalls            379
+#define __NR_compat_syscalls            383
 /*
 * Compat syscall numbers used by the AArch64 kernel.
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index ed3955a95747..a7fb874b595e 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -318,9 +318,6 @@ static int brk_handler(unsigned long addr, unsigned int esr,
        if (call_break_hook(regs, esr) == DBG_HOOK_HANDLED)
                return 0;
-        pr_warn("unexpected brk exception at %lx, esr=0x%x\n",
-                        (long)instruction_pointer(regs), esr);
        if (!user_mode(regs))
                return -EFAULT;
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 720853f70b6b..93e7df8968fe 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -393,7 +393,6 @@ void __init setup_arch(char **cmdline_p)
 static int __init arm64_device_init(void)
 {
-        of_clk_init(NULL);
        of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
        return 0;
 }
diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c
index 29c39d5d77e3..6815987b50f8 100644
--- a/arch/arm64/kernel/time.c
+++ b/arch/arm64/kernel/time.c
@@ -33,6 +33,7 @@
 #include <linux/irq.h>
 #include <linux/delay.h>
 #include <linux/clocksource.h>
+#include <linux/clk-provider.h>
 #include <clocksource/arm_arch_timer.h>
@@ -65,6 +66,7 @@ void __init time_init(void)
 {
        u32 arch_timer_rate;
+        of_clk_init(NULL);
        clocksource_of_init();
        arch_timer_rate = arch_timer_get_rate();
diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h
index bc5efc7c3f3f..39d64e0df1de 100644
--- a/arch/ia64/include/asm/tlb.h
+++ b/arch/ia64/include/asm/tlb.h
@@ -91,18 +91,9 @@ extern struct ia64_tr_entry *ia64_idtrs[NR_CPUS];
 #define RR_RID_MASK     0x00000000ffffff00L
 #define RR_TO_RID(val)  ((val >> 8) & 0xffffff)
-/*
- * Flush the TLB for address range START to END and, if not in fast mode, release the
- * freed pages that where gathered up to this point.
- */
 static inline void
-ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long end)
+ia64_tlb_flush_mmu_tlbonly(struct mmu_gather *tlb, unsigned long start, unsigned long end)
 {
-        unsigned long i;
-        unsigned int nr;
-        if (!tlb->need_flush)
-                return;
        tlb->need_flush = 0;
        if (tlb->fullmm) {
@@ -135,6 +126,14 @@ ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long e
                flush_tlb_range(&vma, ia64_thash(start), ia64_thash(end));
        }
+}
+static inline void
+ia64_tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+        unsigned long i;
+        unsigned int nr;
        /* lastly, release the freed pages */
        nr = tlb->nr;
@@ -144,6 +143,19 @@ ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long e
                free_page_and_swap_cache(tlb->pages[i]);
 }
+/*
+ * Flush the TLB for address range START to END and, if not in fast mode, release the
+ * freed pages that where gathered up to this point.
+ */
+static inline void
+ia64_tlb_flush_mmu (struct mmu_gather *tlb, unsigned long start, unsigned long end)
+{
+        if (!tlb->need_flush)
+                return;
+        ia64_tlb_flush_mmu_tlbonly(tlb, start, end);
+        ia64_tlb_flush_mmu_free(tlb);
+}
 static inline void __tlb_alloc_page(struct mmu_gather *tlb)
 {
        unsigned long addr = __get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);
@@ -206,6 +218,16 @@ static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page)
        return tlb->max - tlb->nr;
 }
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+{
+        ia64_tlb_flush_mmu_tlbonly(tlb, tlb->start_addr, tlb->end_addr);
+}
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+        ia64_tlb_flush_mmu_free(tlb);
+}
 static inline void tlb_flush_mmu(struct mmu_gather *tlb)
 {
        ia64_tlb_flush_mmu(tlb, tlb->start_addr, tlb->end_addr);
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index c2bb4f896ce7..3aa5b46b2d40 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -635,7 +635,7 @@ static void octeon_irq_cpu_offline_ciu(struct irq_data *data)
                cpumask_clear(&new_affinity);
                cpumask_set_cpu(cpumask_first(cpu_online_mask), &new_affinity);
        }
-        __irq_set_affinity_locked(data, &new_affinity);
+        irq_set_affinity_locked(data, &new_affinity, false);
 }
 static int octeon_irq_ciu_set_affinity(struct irq_data *data,
diff --git a/arch/s390/include/asm/ccwgroup.h b/arch/s390/include/asm/ccwgroup.h
index 6e670f88d125..ebc2913f9ee0 100644
--- a/arch/s390/include/asm/ccwgroup.h
+++ b/arch/s390/include/asm/ccwgroup.h
@@ -22,8 +22,8 @@ struct ccwgroup_device {
 /* public: */
        unsigned int count;
        struct device   dev;
-        struct ccw_device *cdev[0];
        struct work_struct ungroup_work;
+        struct ccw_device *cdev[0];
 };
 /**
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index c544b6f05d95..a25f09fbaf36 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -59,12 +59,23 @@ static inline void tlb_gather_mmu(struct mmu_gather *tlb,
        tlb->batch = NULL;
 }
-static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
 {
        __tlb_flush_mm_lazy(tlb->mm);
+}
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
        tlb_table_flush(tlb);
 }
+static inline void tlb_flush_mmu(struct mmu_gather *tlb)
+{
+        tlb_flush_mmu_tlbonly(tlb);
+        tlb_flush_mmu_free(tlb);
+}
 static inline void tlb_finish_mmu(struct mmu_gather *tlb,
                                  unsigned long start, unsigned long end)
 {
diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h
index 362192ed12fe..62f80d2a9df9 100644
--- a/arch/sh/include/asm/tlb.h
+++ b/arch/sh/include/asm/tlb.h
@@ -86,6 +86,14 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma)
        }
 }
+static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+{
+}
+static inline void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+}
 static inline void tlb_flush_mmu(struct mmu_gather *tlb)
 {
 }
diff --git a/arch/um/include/asm/tlb.h b/arch/um/include/asm/tlb.h
index 29b0301c18aa..16eb63fac57d 100644
--- a/arch/um/include/asm/tlb.h
+++ b/arch/um/include/asm/tlb.h
@@ -59,13 +59,25 @@ extern void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
                               unsigned long end);
 static inline void
+tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+{
+        flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end);
+}
+static inline void
+tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+        init_tlb_gather(tlb);
+}
+static inline void
 tlb_flush_mmu(struct mmu_gather *tlb)
 {
        if (!tlb->need_flush)
                return;
-        flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end);
+        tlb_flush_mmu_tlbonly(tlb);
-        init_tlb_gather(tlb);
+        tlb_flush_mmu_free(tlb);
 }
 /* tlb_finish_mmu
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h
index 75298d3358e7..08eec0b691b0 100644
--- a/arch/um/include/shared/os.h
+++ b/arch/um/include/shared/os.h
@@ -136,6 +136,7 @@ extern int os_ioctl_generic(int fd, unsigned int cmd, unsigned long arg);
 extern int os_get_ifname(int fd, char *namebuf);
 extern int os_set_slip(int fd);
 extern int os_mode_fd(int fd, int mode);
+extern int os_fsync_file(int fd);
 extern int os_seek_file(int fd, unsigned long long offset);
 extern int os_open_file(const char *file, struct openflags flags, int mode);
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c
index f116db15d402..30fdd5d0067b 100644
--- a/arch/um/kernel/physmem.c
+++ b/arch/um/kernel/physmem.c
@@ -103,6 +103,7 @@ void __init setup_physmem(unsigned long start, unsigned long reserve_end,
         */
        os_seek_file(physmem_fd, __pa(&__syscall_stub_start));
        os_write_file(physmem_fd, &__syscall_stub_start, PAGE_SIZE);
+        os_fsync_file(physmem_fd);
        bootmap_size = init_bootmem(pfn, pfn + delta);
        free_bootmem(__pa(reserve_end) + bootmap_size,
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index 07a750197bb0..08d90fba952c 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -237,6 +237,12 @@ void os_close_file(int fd)
 {
        close(fd);
 }
+int os_fsync_file(int fd)
+{
+        if (fsync(fd) < 0)
+            return -errno;
+        return 0;
+}
 int os_seek_file(int fd, unsigned long long offset)
 {
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index e1704ff600ff..df9191acd926 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -151,6 +151,7 @@ int __init main(int argc, char **argv, char **envp)
 #endif
        do_uml_initcalls();
+        change_sig(SIGPIPE, 0);
        ret = linux_main(argc, argv);
        /*
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 3c4af77e51a2..897e9ad0c108 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -12,337 +12,117 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
-#include <sys/param.h>
+#include <sys/vfs.h>
+#include <linux/magic.h>
 #include <init.h>
 #include <os.h>
-/* Modified by which_tmpdir, which is called during early boot */
+/* Set by make_tempfile() during early boot. */
-static char *default_tmpdir = "/tmp";
-/*
- *  Modified when creating the physical memory file and when checking
- * the tmp filesystem for usability, both happening during early boot.
- */
 static char *tempdir = NULL;
-static void __init find_tempdir(void)
+/* Check if dir is on tmpfs. Return 0 if yes, -1 if no or error. */
+static int __init check_tmpfs(const char *dir)
 {
-        const char *dirs[] = { "TMP", "TEMP", "TMPDIR", NULL };
+        struct statfs st;
-        int i;
-        char *dir = NULL;
-        if (tempdir != NULL)
-                /* We've already been called */
-                return;
-        for (i = 0; dirs[i]; i++) {
-                dir = getenv(dirs[i]);
-                if ((dir != NULL) && (*dir != '\0'))
-                        break;
-        }
-        if ((dir == NULL) || (*dir == '\0'))
-                dir = default_tmpdir;
-        tempdir = malloc(strlen(dir) + 2);
+        printf("Checking if %s is on tmpfs...", dir);
-        if (tempdir == NULL) {
+        if (statfs(dir, &st) < 0) {
-                fprintf(stderr, "Failed to malloc tempdir, "
+                printf("%s\n", strerror(errno));
-                        "errno = %d\n", errno);
+        } else if (st.f_type != TMPFS_MAGIC) {
-                return;
+                printf("no\n");
-        }
+        } else {
-        strcpy(tempdir, dir);
+                printf("OK\n");
-        strcat(tempdir, "/");
+                return 0;
-}
-/*
- * Remove bytes from the front of the buffer and refill it so that if there's a
- * partial string that we care about, it will be completed, and we can recognize
- * it.
- */
-static int pop(int fd, char *buf, size_t size, size_t npop)
-{
-        ssize_t n;
-        size_t len = strlen(&buf[npop]);
-        memmove(buf, &buf[npop], len + 1);
-        n = read(fd, &buf[len], size - len - 1);
-        if (n < 0)
-                return -errno;
-        buf[len + n] = '\0';
-        return 1;
-}
-/*
- * This will return 1, with the first character in buf being the
- * character following the next instance of c in the file.  This will
- * read the file as needed.  If there's an error, -errno is returned;
- * if the end of the file is reached, 0 is returned.
- */
-static int next(int fd, char *buf, size_t size, char c)
-{
-        ssize_t n;
-        char *ptr;
-        while ((ptr = strchr(buf, c)) == NULL) {
-                n = read(fd, buf, size - 1);
-                if (n == 0)
-                        return 0;
-                else if (n < 0)
-                        return -errno;
-                buf[n] = '\0';
        }
+        return -1;
-        return pop(fd, buf, size, ptr - buf + 1);
 }
 /*
- * Decode an octal-escaped and space-terminated path of the form used by
+ * Choose the tempdir to use. We want something on tmpfs so that our memory is
- * /proc/mounts. May be used to decode a path in-place. "out" must be at least
+ * not subject to the host's vm.dirty_ratio. If a tempdir is specified in the
- * as large as the input. The output is always null-terminated. "len" gets the
+ * environment, we use that even if it's not on tmpfs, but we warn the user.
- * length of the output, excluding the trailing null. Returns 0 if a full path
+ * Otherwise, we try common tmpfs locations, and if no tmpfs directory is found
- * was successfully decoded, otherwise an error.
+ * then we fall back to /tmp.
 */
-static int decode_path(const char *in, char *out, size_t *len)
+static char * __init choose_tempdir(void)
 {
-        char *first = out;
+        static const char * const vars[] = {
-        int c;
+                "TMPDIR",
+                "TMP",
+                "TEMP",
+                NULL
+        };
+        static const char fallback_dir[] = "/tmp";
+        static const char * const tmpfs_dirs[] = {
+                "/dev/shm",
+                fallback_dir,
+                NULL
+        };
        int i;
-        int ret = -EINVAL;
+        const char *dir;
-        while (1) {
-                switch (*in) {
+        printf("Checking environment variables for a tempdir...");
-                case '\0':
+        for (i = 0; vars[i]; i++) {
-                        goto out;
+                dir = getenv(vars[i]);
+                if ((dir != NULL) && (*dir != '\0')) {
-                case ' ':
+                        printf("%s\n", dir);
-                        ret = 0;
+                        if (check_tmpfs(dir) >= 0)
-                        goto out;
+                                goto done;
+                        else
-                case '\\':
+                                goto warn;
-                        in++;
-                        c = 0;
-                        for (i = 0; i < 3; i++) {
-                                if (*in < '0' || *in > '7')
-                                        goto out;
-                                c = (c << 3) | (*in++ - '0');
-                        }
-                        *(unsigned char *)out++ = (unsigned char) c;
-                        break;
-                default:
-                        *out++ = *in++;
-                        break;
                }
        }
+        printf("none found\n");
-out:
+        for (i = 0; tmpfs_dirs[i]; i++) {
-        *out = '\0';
+                dir = tmpfs_dirs[i];
-        *len = out - first;
+                if (check_tmpfs(dir) >= 0)
-        return ret;
+                        goto done;
-}
-/*
- * Computes the length of s when encoded with three-digit octal escape sequences
- * for the characters in chars.
- */
-static size_t octal_encoded_length(const char *s, const char *chars)
-{
-        size_t len = strlen(s);
-        while ((s = strpbrk(s, chars)) != NULL) {
-                len += 3;
-                s++;
-        }
-        return len;
-}
-enum {
-        OUTCOME_NOTHING_MOUNTED,
-        OUTCOME_TMPFS_MOUNT,
-        OUTCOME_NON_TMPFS_MOUNT,
-};
-/* Read a line of /proc/mounts data looking for a tmpfs mount at "path". */
-static int read_mount(int fd, char *buf, size_t bufsize, const char *path,
-                      int *outcome)
-{
-        int found;
-        int match;
-        char *space;
-        size_t len;
-        enum {
-                MATCH_NONE,
-                MATCH_EXACT,
-                MATCH_PARENT,
-        };
-        found = next(fd, buf, bufsize, ' ');
-        if (found != 1)
-                return found;
-        /*
-         * If there's no following space in the buffer, then this path is
-         * truncated, so it can't be the one we're looking for.
-         */
-        space = strchr(buf, ' ');
-        if (space) {
-                match = MATCH_NONE;
-                if (!decode_path(buf, buf, &len)) {
-                        if (!strcmp(buf, path))
-                                match = MATCH_EXACT;
-                        else if (!strncmp(buf, path, len)
-                                 && (path[len] == '/' || !strcmp(buf, "/")))
-                                match = MATCH_PARENT;
-                }
-                found = pop(fd, buf, bufsize, space - buf + 1);
-                if (found != 1)
-                        return found;
-                switch (match) {
-                case MATCH_EXACT:
-                        if (!strncmp(buf, "tmpfs", strlen("tmpfs")))
-                                *outcome = OUTCOME_TMPFS_MOUNT;
-                        else
-                                *outcome = OUTCOME_NON_TMPFS_MOUNT;
-                        break;
-                case MATCH_PARENT:
-                        /* This mount obscures any previous ones. */
-                        *outcome = OUTCOME_NOTHING_MOUNTED;
-                        break;
-                }
        }
-        return next(fd, buf, bufsize, '\n');
+        dir = fallback_dir;
+warn:
+        printf("Warning: tempdir %s is not on tmpfs\n", dir);
+done:
+        /* Make a copy since getenv results may not remain valid forever. */
+        return strdup(dir);
 }
-/* which_tmpdir is called only during early boot */
-static int checked_tmpdir = 0;
 /*
- * Look for a tmpfs mounted at /dev/shm.  I couldn't find a cleaner
+ * Create an unlinked tempfile in a suitable tempdir. template must be the
- * way to do this than to parse /proc/mounts.  statfs will return the
+ * basename part of the template with a leading '/'.
- * same filesystem magic number and fs id for both /dev and /dev/shm
- * when they are both tmpfs, so you can't tell if they are different
- * filesystems.  Also, there seems to be no other way of finding the
- * mount point of a filesystem from within it.
- *
- * If a /dev/shm tmpfs entry is found, then we switch to using it.
- * Otherwise, we stay with the default /tmp.
 */
-static void which_tmpdir(void)
+static int __init make_tempfile(const char *template)
 {
+        char *tempname;
        int fd;
-        int found;
-        int outcome;
-        char *path;
-        char *buf;
-        size_t bufsize;
-        if (checked_tmpdir)
+        if (tempdir == NULL) {
-                return;
+                tempdir = choose_tempdir();
+                if (tempdir == NULL) {
-        checked_tmpdir = 1;
+                        fprintf(stderr, "Failed to choose tempdir: %s\n",
+                                strerror(errno));
-        printf("Checking for tmpfs mount on /dev/shm...");
+                        return -1;
-        path = realpath("/dev/shm", NULL);
-        if (!path) {
-                printf("failed to check real path, errno = %d\n", errno);
-                return;
-        }
-        printf("%s...", path);
-        /*
-         * The buffer needs to be able to fit the full octal-escaped path, a
-         * space, and a trailing null in order to successfully decode it.
-         */
-        bufsize = octal_encoded_length(path, " \t\n\\") + 2;
-        if (bufsize < 128)
-                bufsize = 128;
-        buf = malloc(bufsize);
-        if (!buf) {
-                printf("malloc failed, errno = %d\n", errno);
-                goto out;
-        }
-        buf[0] = '\0';
-        fd = open("/proc/mounts", O_RDONLY);
-        if (fd < 0) {
-                printf("failed to open /proc/mounts, errno = %d\n", errno);
-                goto out1;
-        }
-        outcome = OUTCOME_NOTHING_MOUNTED;
-        while (1) {
-                found = read_mount(fd, buf, bufsize, path, &outcome);
-                if (found != 1)
-                        break;
-        }
-        if (found < 0) {
-                printf("read returned errno %d\n", -found);
-        } else {
-                switch (outcome) {
-                case OUTCOME_TMPFS_MOUNT:
-                        printf("OK\n");
-                        default_tmpdir = "/dev/shm";
-                        break;
-                case OUTCOME_NON_TMPFS_MOUNT:
-                        printf("not tmpfs\n");
-                        break;
-                default:
-                        printf("nothing mounted on /dev/shm\n");
-                        break;
                }
        }
-        close(fd);
+        tempname = malloc(strlen(tempdir) + strlen(template) + 1);
-out1:
-        free(buf);
-out:
-        free(path);
-}
-static int __init make_tempfile(const char *template, char **out_tempname,
-                                int do_unlink)
-{
-        char *tempname;
-        int fd;
-        which_tmpdir();
-        tempname = malloc(MAXPATHLEN);
        if (tempname == NULL)
                return -1;
-        find_tempdir();
+        strcpy(tempname, tempdir);
-        if ((tempdir == NULL) || (strlen(tempdir) >= MAXPATHLEN))
+        strcat(tempname, template);
-                goto out;
-        if (template[0] != '/')
-                strcpy(tempname, tempdir);
-        else
-                tempname[0] = '\0';
-        strncat(tempname, template, MAXPATHLEN-1-strlen(tempname));
        fd = mkstemp(tempname);
        if (fd < 0) {
                fprintf(stderr, "open - cannot create %s: %s\n", tempname,
                        strerror(errno));
                goto out;
        }
-        if (do_unlink && (unlink(tempname) < 0)) {
+        if (unlink(tempname) < 0) {
                perror("unlink");
                goto close;
        }
-        if (out_tempname) {
+        free(tempname);
-                *out_tempname = tempname;
-        } else
-                free(tempname);
        return fd;
 close:
        close(fd);
@@ -351,14 +131,14 @@ out:
        return -1;
 }
-#define TEMPNAME_TEMPLATE "vm_file-XXXXXX"
+#define TEMPNAME_TEMPLATE "/vm_file-XXXXXX"
 static int __init create_tmp_file(unsigned long long len)
 {
        int fd, err;
        char zero;
-        fd = make_tempfile(TEMPNAME_TEMPLATE, NULL, 1);
+        fd = make_tempfile(TEMPNAME_TEMPLATE);
        if (fd < 0)
                exit(1);
@@ -402,7 +182,6 @@ int __init create_mem_file(unsigned long long len)
        return fd;
 }
 void __init check_tmpexec(void)
 {
        void *addr;
@@ -410,14 +189,13 @@ void __init check_tmpexec(void)
        addr = mmap(NULL, UM_KERN_PAGE_SIZE,
                    PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, fd, 0);
-        printf("Checking PROT_EXEC mmap in %s...",tempdir);
+        printf("Checking PROT_EXEC mmap in %s...", tempdir);
-        fflush(stdout);
        if (addr == MAP_FAILED) {
                err = errno;
-                perror("failed");
+                printf("%s\n", strerror(err));
                close(fd);
                if (err == EPERM)
-                        printf("%s must be not mounted noexec\n",tempdir);
+                        printf("%s must be not mounted noexec\n", tempdir);
                exit(1);
        }
        printf("OK\n");
diff --git a/arch/x86/vdso/vdso-layout.lds.S b/arch/x86/vdso/vdso-layout.lds.S
index 2e263f367b13..9df017ab2285 100644
--- a/arch/x86/vdso/vdso-layout.lds.S
+++ b/arch/x86/vdso/vdso-layout.lds.S
@@ -9,12 +9,9 @@ SECTIONS
 #ifdef BUILD_VDSO32
 #include <asm/vdso32.h>
-        .hpet_sect : {
+        hpet_page = . - VDSO_OFFSET(VDSO_HPET_PAGE);
-                hpet_page = . - VDSO_OFFSET(VDSO_HPET_PAGE);
-        } :text :hpet_sect
-        .vvar_sect : {
+        vvar = . - VDSO_OFFSET(VDSO_VVAR_PAGE);
-                vvar = . - VDSO_OFFSET(VDSO_VVAR_PAGE);
        /* Place all vvars at the offsets in asm/vvar.h. */
 #define EMIT_VVAR(name, offset) vvar_ ## name = vvar + offset;
@@ -22,7 +19,6 @@ SECTIONS
 #include <asm/vvar.h>
 #undef __VVAR_KERNEL_LDS
 #undef EMIT_VVAR
-        } :text :vvar_sect
 #endif
        . = SIZEOF_HEADERS;
@@ -61,7 +57,12 @@ SECTIONS
         */
        . = ALIGN(0x100);
-        .text           : { *(.text*) }                 :text   =0x90909090
+        .text           : { *(.text*) }                 :text   =0x90909090,
+        /*
+         * The comma above works around a bug in gold:
+         * https://sourceware.org/bugzilla/show_bug.cgi?id=16804
+         */
        /DISCARD/ : {
                *(.discard)
@@ -84,8 +85,4 @@ PHDRS
        dynamic         PT_DYNAMIC      FLAGS(4);               /* PF_R */
        note            PT_NOTE         FLAGS(4);               /* PF_R */
        eh_frame_hdr    PT_GNU_EH_FRAME;
-#ifdef BUILD_VDSO32
-        vvar_sect       PT_NULL         FLAGS(4);               /* PF_R */
-        hpet_sect       PT_NULL         FLAGS(4);               /* PF_R */
-#endif
 }
diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c
index 68d97441432c..12878e1982f7 100644
--- a/drivers/acpi/acpica/exfield.c
+++ b/drivers/acpi/acpica/exfield.c
@@ -45,10 +45,71 @@
 #include "accommon.h"
 #include "acdispat.h"
 #include "acinterp.h"
+#include "amlcode.h"
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exfield")
+/* Local prototypes */
+static u32
+acpi_ex_get_serial_access_length(u32 accessor_type, u32 access_length);
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_get_serial_access_bytes
+ *
+ * PARAMETERS:  accessor_type   - The type of the protocol indicated by region
+ *                                field access attributes
+ *              access_length   - The access length of the region field
+ *
+ * RETURN:      Decoded access length
+ *
+ * DESCRIPTION: This routine returns the length of the generic_serial_bus
+ *              protocol bytes
+ *
+ ******************************************************************************/
+static u32
+acpi_ex_get_serial_access_length(u32 accessor_type, u32 access_length)
+{
+        u32 length;
+        switch (accessor_type) {
+        case AML_FIELD_ATTRIB_QUICK:
+                length = 0;
+                break;
+        case AML_FIELD_ATTRIB_SEND_RCV:
+        case AML_FIELD_ATTRIB_BYTE:
+                length = 1;
+                break;
+        case AML_FIELD_ATTRIB_WORD:
+        case AML_FIELD_ATTRIB_WORD_CALL:
+                length = 2;
+                break;
+        case AML_FIELD_ATTRIB_MULTIBYTE:
+        case AML_FIELD_ATTRIB_RAW_BYTES:
+        case AML_FIELD_ATTRIB_RAW_PROCESS:
+                length = access_length;
+                break;
+        case AML_FIELD_ATTRIB_BLOCK:
+        case AML_FIELD_ATTRIB_BLOCK_CALL:
+        default:
+                length = ACPI_GSBUS_BUFFER_SIZE;
+                break;
+        }
+        return (length);
+}
 /*******************************************************************************
 *
 * FUNCTION:    acpi_ex_read_data_from_field
@@ -63,8 +124,9 @@ ACPI_MODULE_NAME("exfield")
 *              Buffer, depending on the size of the field.
 *
 ******************************************************************************/
 acpi_status
-acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
+acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state,
                             union acpi_operand_object *obj_desc,
                             union acpi_operand_object **ret_buffer_desc)
 {
@@ -73,6 +135,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
        acpi_size length;
        void *buffer;
        u32 function;
+        u16 accessor_type;
        ACPI_FUNCTION_TRACE_PTR(ex_read_data_from_field, obj_desc);
@@ -116,9 +179,22 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
                            ACPI_READ | (obj_desc->field.attribute << 16);
                } else if (obj_desc->field.region_obj->region.space_id ==
                           ACPI_ADR_SPACE_GSBUS) {
-                        length = ACPI_GSBUS_BUFFER_SIZE;
+                        accessor_type = obj_desc->field.attribute;
-                        function =
+                        length = acpi_ex_get_serial_access_length(accessor_type,
-                            ACPI_READ | (obj_desc->field.attribute << 16);
+                                                                  obj_desc->
+                                                                  field.
+                                                                  access_length);
+                        /*
+                         * Add additional 2 bytes for modeled generic_serial_bus data buffer:
+                         * typedef struct {
+                         *     BYTEStatus; // Byte 0 of the data buffer
+                         *     BYTELength; // Byte 1 of the data buffer
+                         *     BYTE[x-1]Data; // Bytes 2-x of the arbitrary length data buffer,
+                         * }
+                         */
+                        length += 2;
+                        function = ACPI_READ | (accessor_type << 16);
                } else {        /* IPMI */
                        length = ACPI_IPMI_BUFFER_SIZE;
@@ -231,6 +307,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
        void *buffer;
        union acpi_operand_object *buffer_desc;
        u32 function;
+        u16 accessor_type;
        ACPI_FUNCTION_TRACE_PTR(ex_write_data_to_field, obj_desc);
@@ -284,9 +361,22 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
                            ACPI_WRITE | (obj_desc->field.attribute << 16);
                } else if (obj_desc->field.region_obj->region.space_id ==
                           ACPI_ADR_SPACE_GSBUS) {
-                        length = ACPI_GSBUS_BUFFER_SIZE;
+                        accessor_type = obj_desc->field.attribute;
-                        function =
+                        length = acpi_ex_get_serial_access_length(accessor_type,
-                            ACPI_WRITE | (obj_desc->field.attribute << 16);
+                                                                  obj_desc->
+                                                                  field.
+                                                                  access_length);
+                        /*
+                         * Add additional 2 bytes for modeled generic_serial_bus data buffer:
+                         * typedef struct {
+                         *     BYTEStatus; // Byte 0 of the data buffer
+                         *     BYTELength; // Byte 1 of the data buffer
+                         *     BYTE[x-1]Data; // Bytes 2-x of the arbitrary length data buffer,
+                         * }
+                         */
+                        length += 2;
+                        function = ACPI_WRITE | (accessor_type << 16);
                } else {        /* IPMI */
                        length = ACPI_IPMI_BUFFER_SIZE;
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index e7e5844c87d0..cf925c4f36b7 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -380,9 +380,8 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
                break;
        default:
-                acpi_handle_warn(handle, "Unsupported event type 0x%x\n", type);
+                acpi_handle_debug(handle, "Unknown event type 0x%x\n", type);
-                ost_code = ACPI_OST_SC_UNRECOGNIZED_NOTIFY;
+                break;
-                goto err;
        }
        adev = acpi_bus_get_acpi_device(handle);
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 20e03a7eb8b4..c2706047337f 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -116,7 +116,7 @@ config AHCI_ST
 config AHCI_IMX
        tristate "Freescale i.MX AHCI SATA support"
-        depends on MFD_SYSCON
+        depends on MFD_SYSCON && (ARCH_MXC || COMPILE_TEST)
        help
          This option enables support for the Freescale i.MX SoC's
          onboard AHCI SATA.
@@ -134,8 +134,7 @@ config AHCI_SUNXI
 config AHCI_XGENE
        tristate "APM X-Gene 6.0Gbps AHCI SATA host controller support"
-        depends on ARM64 || COMPILE_TEST
+        depends on PHY_XGENE
-        select PHY_XGENE
        help
         This option enables support for APM X-Gene SoC SATA host controller.
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 5a0bf8ed649b..71e15b73513d 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1164,9 +1164,9 @@ static inline void ahci_gtf_filter_workaround(struct ata_host *host)
 #endif
 static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
-                         struct ahci_host_priv *hpriv)
+                                struct ahci_host_priv *hpriv)
 {
-        int nvec;
+        int rc, nvec;
        if (hpriv->flags & AHCI_HFLAG_NO_MSI)
                goto intx;
@@ -1183,12 +1183,19 @@ static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
        if (nvec < n_ports)
                goto single_msi;
-        nvec = pci_enable_msi_range(pdev, nvec, nvec);
+        rc = pci_enable_msi_exact(pdev, nvec);
-        if (nvec == -ENOSPC)
+        if (rc == -ENOSPC)
                goto single_msi;
-        else if (nvec < 0)
+        else if (rc < 0)
                goto intx;
+        /* fallback to single MSI mode if the controller enforced MRSM mode */
+        if (readl(hpriv->mmio + HOST_CTL) & HOST_MRSM) {
+                pci_disable_msi(pdev);
+                printk(KERN_INFO "ahci: MRSM is on, fallback to single MSI\n");
+                goto single_msi;
+        }
        return nvec;
 single_msi:
@@ -1232,18 +1239,18 @@ int ahci_host_activate(struct ata_host *host, int irq, unsigned int n_msis)
                return rc;
        for (i = 0; i < host->n_ports; i++) {
-                const char* desc;
                struct ahci_port_priv *pp = host->ports[i]->private_data;
-                /* pp is NULL for dummy ports */
+                /* Do not receive interrupts sent by dummy ports */
-                if (pp)
+                if (!pp) {
-                        desc = pp->irq_desc;
+                        disable_irq(irq + i);
-                else
+                        continue;
-                        desc = dev_driver_string(host->dev);
+                }
-                rc = devm_request_threaded_irq(host->dev,
+                rc = devm_request_threaded_irq(host->dev, irq + i,
-                        irq + i, ahci_hw_interrupt, ahci_thread_fn, IRQF_SHARED,
+                                               ahci_hw_interrupt,
-                        desc, host->ports[i]);
+                                               ahci_thread_fn, IRQF_SHARED,
+                                               pp->irq_desc, host->ports[i]);
                if (rc)
                        goto out_free_irqs;
        }
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 51af275b3388..b5eb886da226 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -94,6 +94,7 @@ enum {
        /* HOST_CTL bits */
        HOST_RESET              = (1 << 0),  /* reset controller; self-clear */
        HOST_IRQ_EN             = (1 << 1),  /* global IRQ enable */
+        HOST_MRSM               = (1 << 2),  /* MSI Revert to Single Message */
        HOST_AHCI_EN            = (1 << 31), /* AHCI enabled */
        /* HOST_CAP bits */
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c19734d96d7e..943cc8b83e59 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4224,8 +4224,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
        { "PIONEER DVD-RW  DVR-216D",   NULL,   ATA_HORKAGE_NOSETXFER },
        /* devices that don't properly handle queued TRIM commands */
-        { "Micron_M500*",               NULL,   ATA_HORKAGE_NO_NCQ_TRIM, },
+        { "Micron_M500*",               "MU0[1-4]*",    ATA_HORKAGE_NO_NCQ_TRIM, },
-        { "Crucial_CT???M500SSD*",      NULL,   ATA_HORKAGE_NO_NCQ_TRIM, },
+        { "Crucial_CT???M500SSD*",      "MU0[1-4]*",    ATA_HORKAGE_NO_NCQ_TRIM, },
+        { "Micron_M550*",               NULL,           ATA_HORKAGE_NO_NCQ_TRIM, },
+        { "Crucial_CT???M550SSD*",      NULL,           ATA_HORKAGE_NO_NCQ_TRIM, },
        /*
         * Some WD SATA-I drives spin up and down erratically when the link
@@ -4792,21 +4794,26 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words)
 static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap)
 {
        struct ata_queued_cmd *qc = NULL;
-        unsigned int i;
+        unsigned int i, tag;
        /* no command while frozen */
        if (unlikely(ap->pflags & ATA_PFLAG_FROZEN))
                return NULL;
-        /* the last tag is reserved for internal command. */
+        for (i = 0; i < ATA_MAX_QUEUE; i++) {
-        for (i = 0; i < ATA_MAX_QUEUE - 1; i++)
+                tag = (i + ap->last_tag + 1) % ATA_MAX_QUEUE;
-                if (!test_and_set_bit(i, &ap->qc_allocated)) {
-                        qc = __ata_qc_from_tag(ap, i);
+                /* the last tag is reserved for internal command. */
+                if (tag == ATA_TAG_INTERNAL)
+                        continue;
+                if (!test_and_set_bit(tag, &ap->qc_allocated)) {
+                        qc = __ata_qc_from_tag(ap, tag);
+                        qc->tag = tag;
+                        ap->last_tag = tag;
                        break;
                }
+        }
-        if (qc)
-                qc->tag = i;
        return qc;
 }
diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
index 6fac524c2f50..4edb1a81f63f 100644
--- a/drivers/ata/pata_arasan_cf.c
+++ b/drivers/ata/pata_arasan_cf.c
@@ -898,9 +898,12 @@ static int arasan_cf_probe(struct platform_device *pdev)
        cf_card_detect(acdev, 0);
-        return ata_host_activate(host, acdev->irq, irq_handler, 0,
+        ret = ata_host_activate(host, acdev->irq, irq_handler, 0,
-                        &arasan_cf_sht);
+                                &arasan_cf_sht);
+        if (!ret)
+                return 0;
+        cf_exit(acdev);
 free_clk:
        clk_put(acdev->clk);
        return ret;
diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c
index e9c87274a781..8a66f23af4c4 100644
--- a/drivers/ata/pata_at91.c
+++ b/drivers/ata/pata_at91.c
@@ -407,12 +407,13 @@ static int pata_at91_probe(struct platform_device *pdev)
        host->private_data = info;
-        return ata_host_activate(host, gpio_is_valid(irq) ? gpio_to_irq(irq) : 0,
+        ret = ata_host_activate(host, gpio_is_valid(irq) ? gpio_to_irq(irq) : 0,
-                        gpio_is_valid(irq) ? ata_sff_interrupt : NULL,
+                                gpio_is_valid(irq) ? ata_sff_interrupt : NULL,
-                        irq_flags, &pata_at91_sht);
+                                irq_flags, &pata_at91_sht);
+        if (ret)
+                goto err_put;
-        if (!ret)
+        return 0;
-                return 0;
 err_put:
        clk_put(info->mck);
diff --git a/drivers/ata/pata_samsung_cf.c b/drivers/ata/pata_samsung_cf.c
index a79566d05666..0610e78c8a2a 100644
--- a/drivers/ata/pata_samsung_cf.c
+++ b/drivers/ata/pata_samsung_cf.c
@@ -594,9 +594,13 @@ static int __init pata_s3c_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, host);
-        return ata_host_activate(host, info->irq,
+        ret = ata_host_activate(host, info->irq,
-                        info->irq ? pata_s3c_irq : NULL,
+                                info->irq ? pata_s3c_irq : NULL,
-                        0, &pata_s3c_sht);
+                                0, &pata_s3c_sht);
+        if (ret)
+                goto stop_clk;
+        return 0;
 stop_clk:
        clk_disable(info->clk);
diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c
index 166e02f16c8a..cc37c342c4cb 100644
--- a/drivers/clk/tegra/clk-tegra124.c
+++ b/drivers/clk/tegra/clk-tegra124.c
@@ -764,7 +764,6 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = {
        [tegra_clk_sdmmc2_8] = { .dt_id = TEGRA124_CLK_SDMMC2, .present = true },
        [tegra_clk_i2s1] = { .dt_id = TEGRA124_CLK_I2S1, .present = true },
        [tegra_clk_i2c1] = { .dt_id = TEGRA124_CLK_I2C1, .present = true },
-        [tegra_clk_ndflash] = { .dt_id = TEGRA124_CLK_NDFLASH, .present = true },
        [tegra_clk_sdmmc1_8] = { .dt_id = TEGRA124_CLK_SDMMC1, .present = true },
        [tegra_clk_sdmmc4_8] = { .dt_id = TEGRA124_CLK_SDMMC4, .present = true },
        [tegra_clk_pwm] = { .dt_id = TEGRA124_CLK_PWM, .present = true },
@@ -809,7 +808,6 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = {
        [tegra_clk_trace] = { .dt_id = TEGRA124_CLK_TRACE, .present = true },
        [tegra_clk_soc_therm] = { .dt_id = TEGRA124_CLK_SOC_THERM, .present = true },
        [tegra_clk_dtv] = { .dt_id = TEGRA124_CLK_DTV, .present = true },
-        [tegra_clk_ndspeed] = { .dt_id = TEGRA124_CLK_NDSPEED, .present = true },
        [tegra_clk_i2cslow] = { .dt_id = TEGRA124_CLK_I2CSLOW, .present = true },
        [tegra_clk_dsib] = { .dt_id = TEGRA124_CLK_DSIB, .present = true },
        [tegra_clk_tsec] = { .dt_id = TEGRA124_CLK_TSEC, .present = true },
@@ -952,7 +950,6 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = {
        [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA124_CLK_CLK_OUT_3_MUX, .present = true },
        [tegra_clk_dsia_mux] = { .dt_id = TEGRA124_CLK_DSIA_MUX, .present = true },
        [tegra_clk_dsib_mux] = { .dt_id = TEGRA124_CLK_DSIB_MUX, .present = true },
-        [tegra_clk_uarte] = { .dt_id = TEGRA124_CLK_UARTE, .present = true },
 };
 static struct tegra_devclk devclks[] __initdata = {
diff --git a/drivers/clk/versatile/clk-vexpress-osc.c b/drivers/clk/versatile/clk-vexpress-osc.c
index 2dc8b41a339d..a535c7bf8574 100644
--- a/drivers/clk/versatile/clk-vexpress-osc.c
+++ b/drivers/clk/versatile/clk-vexpress-osc.c
@@ -102,7 +102,7 @@ void __init vexpress_osc_of_setup(struct device_node *node)
        osc = kzalloc(sizeof(*osc), GFP_KERNEL);
        if (!osc)
-                goto error;
+                return;
        osc->func = vexpress_config_func_get_by_node(node);
        if (!osc->func) {
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index a6ee6d7cd63f..acf5a329d538 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -416,8 +416,6 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt)
        evt->set_mode = exynos4_tick_set_mode;
        evt->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
        evt->rating = 450;
-        clockevents_config_and_register(evt, clk_rate / (TICK_BASE_CNT + 1),
-                                        0xf, 0x7fffffff);
        exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET);
@@ -430,9 +428,12 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt)
                                evt->irq);
                        return -EIO;
                }
+                irq_force_affinity(mct_irqs[MCT_L0_IRQ + cpu], cpumask_of(cpu));
        } else {
                enable_percpu_irq(mct_irqs[MCT_L0_IRQ], 0);
        }
+        clockevents_config_and_register(evt, clk_rate / (TICK_BASE_CNT + 1),
+                                        0xf, 0x7fffffff);
        return 0;
 }
@@ -450,7 +451,6 @@ static int exynos4_mct_cpu_notify(struct notifier_block *self,
                                           unsigned long action, void *hcpu)
 {
        struct mct_clock_event_device *mevt;
-        unsigned int cpu;
        /*
         * Grab cpu pointer in each case to avoid spurious
@@ -461,12 +461,6 @@ static int exynos4_mct_cpu_notify(struct notifier_block *self,
                mevt = this_cpu_ptr(&percpu_mct_tick);
                exynos4_local_timer_setup(&mevt->evt);
                break;
-        case CPU_ONLINE:
-                cpu = (unsigned long)hcpu;
-                if (mct_int_type == MCT_INT_SPI)
-                        irq_set_affinity(mct_irqs[MCT_L0_IRQ + cpu],
-                                                cpumask_of(cpu));
-                break;
        case CPU_DYING:
                mevt = this_cpu_ptr(&percpu_mct_tick);
                exynos4_local_timer_stop(&mevt->evt);
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 0e9cce82844b..580503513f0f 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -92,11 +92,7 @@ config ARM_EXYNOS_CPU_FREQ_BOOST_SW
 config ARM_HIGHBANK_CPUFREQ
        tristate "Calxeda Highbank-based"
-        depends on ARCH_HIGHBANK
+        depends on ARCH_HIGHBANK && GENERIC_CPUFREQ_CPU0 && REGULATOR
-        select GENERIC_CPUFREQ_CPU0
-        select PM_OPP
-        select REGULATOR
        default m
        help
          This adds the CPUFreq driver for Calxeda Highbank SoC
diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index 9edccc63245d..af4968813e76 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -29,6 +29,7 @@
 #include <asm/cputhreads.h>
 #include <asm/reg.h>
+#include <asm/smp.h> /* Required for cpu_sibling_mask() in UP configs */
 #define POWERNV_MAX_PSTATES     256
diff --git a/drivers/cpufreq/ppc-corenet-cpufreq.c b/drivers/cpufreq/ppc-corenet-cpufreq.c
index b7e677be1df0..a1ca3dd04a8e 100644
--- a/drivers/cpufreq/ppc-corenet-cpufreq.c
+++ b/drivers/cpufreq/ppc-corenet-cpufreq.c
@@ -206,7 +206,7 @@ static int corenet_cpufreq_cpu_init(struct cpufreq_policy *policy)
                per_cpu(cpu_data, i) = data;
        policy->cpuinfo.transition_latency =
-                                (12 * NSEC_PER_SEC) / fsl_get_sys_freq();
+                                (12ULL * NSEC_PER_SEC) / fsl_get_sys_freq();
        of_node_put(np);
        return 0;
diff --git a/drivers/cpufreq/unicore2-cpufreq.c b/drivers/cpufreq/unicore2-cpufreq.c
index 8d045afa7fb4..6f9dfa80563a 100644
--- a/drivers/cpufreq/unicore2-cpufreq.c
+++ b/drivers/cpufreq/unicore2-cpufreq.c
@@ -60,9 +60,7 @@ static int __init ucv2_cpu_init(struct cpufreq_policy *policy)
        policy->max = policy->cpuinfo.max_freq = 1000000;
        policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
        policy->clk = clk_get(NULL, "MAIN_CLK");
-        if (IS_ERR(policy->clk))
+        return PTR_ERR_OR_ZERO(policy->clk);
-                return PTR_ERR(policy->clk);
-        return 0;
 }
 static struct cpufreq_driver ucv2_driver = {
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index bf0f8b476696..401add28933f 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -233,7 +233,7 @@ static void acpi_gpiochip_request_interrupts(struct acpi_gpio_chip *acpi_gpio)
 {
        struct gpio_chip *chip = acpi_gpio->chip;
-        if (!chip->dev || !chip->to_irq)
+        if (!chip->to_irq)
                return;
        INIT_LIST_HEAD(&acpi_gpio->events);
@@ -253,7 +253,7 @@ static void acpi_gpiochip_free_interrupts(struct acpi_gpio_chip *acpi_gpio)
        struct acpi_gpio_event *event, *ep;
        struct gpio_chip *chip = acpi_gpio->chip;
-        if (!chip->dev || !chip->to_irq)
+        if (!chip->to_irq)
                return;
        list_for_each_entry_safe_reverse(event, ep, &acpi_gpio->events, node) {
@@ -451,7 +451,7 @@ acpi_gpio_adr_space_handler(u32 function, acpi_physical_address address,
                if (function == ACPI_WRITE)
                        gpiod_set_raw_value(desc, !!((1 << i) & *value));
                else
-                        *value |= gpiod_get_raw_value(desc) << i;
+                        *value |= (u64)gpiod_get_raw_value(desc) << i;
        }
 out:
@@ -501,6 +501,9 @@ void acpi_gpiochip_add(struct gpio_chip *chip)
        acpi_handle handle;
        acpi_status status;
+        if (!chip || !chip->dev)
+                return;
        handle = ACPI_HANDLE(chip->dev);
        if (!handle)
                return;
@@ -531,6 +534,9 @@ void acpi_gpiochip_remove(struct gpio_chip *chip)
        acpi_handle handle;
        acpi_status status;
+        if (!chip || !chip->dev)
+                return;
        handle = ACPI_HANDLE(chip->dev);
        if (!handle)
                return;
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 761013f8b82f..f48817d97480 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1387,8 +1387,8 @@ static int gpiochip_irq_map(struct irq_domain *d, unsigned int irq,
 {
        struct gpio_chip *chip = d->host_data;
-        irq_set_chip_and_handler(irq, chip->irqchip, chip->irq_handler);
        irq_set_chip_data(irq, chip);
+        irq_set_chip_and_handler(irq, chip->irqchip, chip->irq_handler);
 #ifdef CONFIG_ARM
        set_irq_flags(irq, IRQF_VALID);
 #else
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 15936524f226..bc0119fb6c12 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -209,6 +209,7 @@ void radeon_dp_aux_init(struct radeon_connector *radeon_connector)
 {
        int ret;
+        radeon_connector->ddc_bus->rec.hpd = radeon_connector->hpd.hpd;
        radeon_connector->ddc_bus->aux.dev = radeon_connector->base.kdev;
        radeon_connector->ddc_bus->aux.transfer = radeon_dp_aux_transfer;
        ret = drm_dp_aux_register_i2c_bus(&radeon_connector->ddc_bus->aux);
diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index 89b4afa5041c..f7e46cf682af 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -597,7 +597,7 @@ int cik_sdma_ring_test(struct radeon_device *rdev,
        tmp = 0xCAFEDEAD;
        writel(tmp, ptr);
-        r = radeon_ring_lock(rdev, ring, 4);
+        r = radeon_ring_lock(rdev, ring, 5);
        if (r) {
                DRM_ERROR("radeon: dma failed to lock ring %d (%d).\n", ring->idx, r);
                return r;
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index cbf7e3269f84..9c61b74ef441 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -158,16 +158,18 @@ u32 r600_dpm_get_vblank_time(struct radeon_device *rdev)
        u32 line_time_us, vblank_lines;
        u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */
-        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+        if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
-                radeon_crtc = to_radeon_crtc(crtc);
+                list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-                if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
+                        radeon_crtc = to_radeon_crtc(crtc);
-                        line_time_us = (radeon_crtc->hw_mode.crtc_htotal * 1000) /
+                        if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
-                                radeon_crtc->hw_mode.clock;
+                                line_time_us = (radeon_crtc->hw_mode.crtc_htotal * 1000) /
-                        vblank_lines = radeon_crtc->hw_mode.crtc_vblank_end -
+                                        radeon_crtc->hw_mode.clock;
-                                radeon_crtc->hw_mode.crtc_vdisplay +
+                                vblank_lines = radeon_crtc->hw_mode.crtc_vblank_end -
-                                (radeon_crtc->v_border * 2);
+                                        radeon_crtc->hw_mode.crtc_vdisplay +
-                        vblank_time_us = vblank_lines * line_time_us;
+                                        (radeon_crtc->v_border * 2);
-                        break;
+                                vblank_time_us = vblank_lines * line_time_us;
+                                break;
+                        }
                }
        }
@@ -181,14 +183,15 @@ u32 r600_dpm_get_vrefresh(struct radeon_device *rdev)
        struct radeon_crtc *radeon_crtc;
        u32 vrefresh = 0;
-        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+        if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
-                radeon_crtc = to_radeon_crtc(crtc);
+                list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-                if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
+                        radeon_crtc = to_radeon_crtc(crtc);
-                        vrefresh = radeon_crtc->hw_mode.vrefresh;
+                        if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
-                        break;
+                                vrefresh = radeon_crtc->hw_mode.vrefresh;
+                                break;
+                        }
                }
        }
        return vrefresh;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
index dedea72f48c4..a9fb0d016d38 100644
--- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -528,6 +528,13 @@ static bool radeon_atpx_detect(void)
                has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true);
        }
+        /* some newer PX laptops mark the dGPU as a non-VGA display device */
+        while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
+                vga_count++;
+                has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true);
+        }
        if (has_atpx && vga_count == 2) {
                acpi_get_name(radeon_atpx_priv.atpx.handle, ACPI_FULL_PATHNAME, &buffer);
                printk(KERN_INFO "VGA switcheroo: detected switching method %s handle\n",
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 2f7cbb901fb1..8d99d5ee8014 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -840,6 +840,38 @@ static void avivo_reduce_ratio(unsigned *nom, unsigned *den,
 }
 /**
+ * avivo_get_fb_ref_div - feedback and ref divider calculation
+ *
+ * @nom: nominator
+ * @den: denominator
+ * @post_div: post divider
+ * @fb_div_max: feedback divider maximum
+ * @ref_div_max: reference divider maximum
+ * @fb_div: resulting feedback divider
+ * @ref_div: resulting reference divider
+ *
+ * Calculate feedback and reference divider for a given post divider. Makes
+ * sure we stay within the limits.
+ */
+static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div,
+                                 unsigned fb_div_max, unsigned ref_div_max,
+                                 unsigned *fb_div, unsigned *ref_div)
+{
+        /* limit reference * post divider to a maximum */
+        ref_div_max = min(210 / post_div, ref_div_max);
+        /* get matching reference and feedback divider */
+        *ref_div = min(max(DIV_ROUND_CLOSEST(den, post_div), 1u), ref_div_max);
+        *fb_div = DIV_ROUND_CLOSEST(nom * *ref_div * post_div, den);
+        /* limit fb divider to its maximum */
+        if (*fb_div > fb_div_max) {
+                *ref_div = DIV_ROUND_CLOSEST(*ref_div * fb_div_max, *fb_div);
+                *fb_div = fb_div_max;
+        }
+}
+/**
 * radeon_compute_pll_avivo - compute PLL paramaters
 *
 * @pll: information about the PLL
@@ -860,6 +892,9 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll,
                              u32 *ref_div_p,
                              u32 *post_div_p)
 {
+        unsigned target_clock = pll->flags & RADEON_PLL_USE_FRAC_FB_DIV ?
+                freq : freq / 10;
        unsigned fb_div_min, fb_div_max, fb_div;
        unsigned post_div_min, post_div_max, post_div;
        unsigned ref_div_min, ref_div_max, ref_div;
@@ -880,14 +915,18 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll,
                ref_div_min = pll->reference_div;
        else
                ref_div_min = pll->min_ref_div;
-        ref_div_max = pll->max_ref_div;
+        if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV &&
+            pll->flags & RADEON_PLL_USE_REF_DIV)
+                ref_div_max = pll->reference_div;
+        else
+                ref_div_max = pll->max_ref_div;
        /* determine allowed post divider range */
        if (pll->flags & RADEON_PLL_USE_POST_DIV) {
                post_div_min = pll->post_div;
                post_div_max = pll->post_div;
        } else {
-                unsigned target_clock = freq / 10;
                unsigned vco_min, vco_max;
                if (pll->flags & RADEON_PLL_IS_LCD) {
@@ -898,6 +937,11 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll,
                        vco_max = pll->pll_out_max;
                }
+                if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) {
+                        vco_min *= 10;
+                        vco_max *= 10;
+                }
                post_div_min = vco_min / target_clock;
                if ((target_clock * post_div_min) < vco_min)
                        ++post_div_min;
@@ -912,7 +956,7 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll,
        }
        /* represent the searched ratio as fractional number */
-        nom = pll->flags & RADEON_PLL_USE_FRAC_FB_DIV ? freq : freq / 10;
+        nom = target_clock;
        den = pll->reference_freq;
        /* reduce the numbers to a simpler ratio */
@@ -926,7 +970,12 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll,
        diff_best = ~0;
        for (post_div = post_div_min; post_div <= post_div_max; ++post_div) {
-                unsigned diff = abs(den - den / post_div * post_div);
+                unsigned diff;
+                avivo_get_fb_ref_div(nom, den, post_div, fb_div_max,
+                                     ref_div_max, &fb_div, &ref_div);
+                diff = abs(target_clock - (pll->reference_freq * fb_div) /
+                        (ref_div * post_div));
                if (diff < diff_best || (diff == diff_best &&
                    !(pll->flags & RADEON_PLL_PREFER_MINM_OVER_MAXP))) {
@@ -936,28 +985,9 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll,
        }
        post_div = post_div_best;
-        /* limit reference * post divider to a maximum */
+        /* get the feedback and reference divider for the optimal value */
-        ref_div_max = min(210 / post_div, ref_div_max);
+        avivo_get_fb_ref_div(nom, den, post_div, fb_div_max, ref_div_max,
+                             &fb_div, &ref_div);
-        /* get matching reference and feedback divider */
-        ref_div = max(DIV_ROUND_CLOSEST(den, post_div), 1u);
-        fb_div = DIV_ROUND_CLOSEST(nom * ref_div * post_div, den);
-        /* we're almost done, but reference and feedback
-           divider might be to large now */
-        nom = fb_div;
-        den = ref_div;
-        if (fb_div > fb_div_max) {
-                ref_div = DIV_ROUND_CLOSEST(den * fb_div_max, nom);
-                fb_div = fb_div_max;
-        }
-        if (ref_div > ref_div_max) {
-                ref_div = ref_div_max;
-                fb_div = DIV_ROUND_CLOSEST(nom * ref_div_max, den);
-        }
        /* reduce the numbers to a simpler ratio once more */
        /* this also makes sure that the reference divider is large enough */
@@ -979,7 +1009,7 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll,
        *post_div_p = post_div;
        DRM_DEBUG_KMS("%d - %d, pll dividers - fb: %d.%d ref: %d, post %d\n",
-                      freq, *dot_clock_p, *fb_div_p, *frac_fb_div_p,
+                      freq, *dot_clock_p * 10, *fb_div_p, *frac_fb_div_p,
                      ref_div, post_div);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index fb3d13f693dd..0cc47f12d995 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -107,11 +107,9 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
                flags |= RADEON_IS_PCI;
        }
-        if (radeon_runtime_pm == 1)
+        if ((radeon_runtime_pm != 0) &&
-                flags |= RADEON_IS_PX;
+            radeon_has_atpx() &&
-        else if ((radeon_runtime_pm == -1) &&
+            ((flags & RADEON_IS_IGP) == 0))
-                 radeon_has_atpx() &&
-                 ((flags & RADEON_IS_IGP) == 0))
                flags |= RADEON_IS_PX;
        /* radeon_device_init should report only fatal error
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index ee738a524639..6fac8efe8340 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -603,7 +603,6 @@ static const struct attribute_group *hwmon_groups[] = {
 static int radeon_hwmon_init(struct radeon_device *rdev)
 {
        int err = 0;
-        struct device *hwmon_dev;
        switch (rdev->pm.int_thermal_type) {
        case THERMAL_TYPE_RV6XX:
@@ -616,11 +615,11 @@ static int radeon_hwmon_init(struct radeon_device *rdev)
        case THERMAL_TYPE_KV:
                if (rdev->asic->pm.get_temperature == NULL)
                        return err;
-                hwmon_dev = hwmon_device_register_with_groups(rdev->dev,
+                rdev->pm.int_hwmon_dev = hwmon_device_register_with_groups(rdev->dev,
-                                                              "radeon", rdev,
+                                                                           "radeon", rdev,
-                                                              hwmon_groups);
+                                                                           hwmon_groups);
-                if (IS_ERR(hwmon_dev)) {
+                if (IS_ERR(rdev->pm.int_hwmon_dev)) {
-                        err = PTR_ERR(hwmon_dev);
+                        err = PTR_ERR(rdev->pm.int_hwmon_dev);
                        dev_err(rdev->dev,
                                "Unable to register hwmon device: %d\n", err);
                }
@@ -632,6 +631,12 @@ static int radeon_hwmon_init(struct radeon_device *rdev)
        return err;
 }
+static void radeon_hwmon_fini(struct radeon_device *rdev)
+{
+        if (rdev->pm.int_hwmon_dev)
+                hwmon_device_unregister(rdev->pm.int_hwmon_dev);
+}
 static void radeon_dpm_thermal_work_handler(struct work_struct *work)
 {
        struct radeon_device *rdev =
@@ -1257,6 +1262,7 @@ int radeon_pm_init(struct radeon_device *rdev)
        case CHIP_RV670:
        case CHIP_RS780:
        case CHIP_RS880:
+        case CHIP_RV770:
        case CHIP_BARTS:
        case CHIP_TURKS:
        case CHIP_CAICOS:
@@ -1273,7 +1279,6 @@ int radeon_pm_init(struct radeon_device *rdev)
                else
                        rdev->pm.pm_method = PM_METHOD_PROFILE;
                break;
-        case CHIP_RV770:
        case CHIP_RV730:
        case CHIP_RV710:
        case CHIP_RV740:
@@ -1353,6 +1358,8 @@ static void radeon_pm_fini_old(struct radeon_device *rdev)
                device_remove_file(rdev->dev, &dev_attr_power_method);
        }
+        radeon_hwmon_fini(rdev);
        if (rdev->pm.power_state)
                kfree(rdev->pm.power_state);
 }
@@ -1372,6 +1379,8 @@ static void radeon_pm_fini_dpm(struct radeon_device *rdev)
        }
        radeon_dpm_fini(rdev);
+        radeon_hwmon_fini(rdev);
        if (rdev->pm.power_state)
                kfree(rdev->pm.power_state);
 }
@@ -1397,12 +1406,14 @@ static void radeon_pm_compute_clocks_old(struct radeon_device *rdev)
        rdev->pm.active_crtcs = 0;
        rdev->pm.active_crtc_count = 0;
-        list_for_each_entry(crtc,
+        if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
-                &ddev->mode_config.crtc_list, head) {
+                list_for_each_entry(crtc,
-                radeon_crtc = to_radeon_crtc(crtc);
+                                    &ddev->mode_config.crtc_list, head) {
-                if (radeon_crtc->enabled) {
+                        radeon_crtc = to_radeon_crtc(crtc);
-                        rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id);
+                        if (radeon_crtc->enabled) {
-                        rdev->pm.active_crtc_count++;
+                                rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id);
+                                rdev->pm.active_crtc_count++;
+                        }
                }
        }
@@ -1469,12 +1480,14 @@ static void radeon_pm_compute_clocks_dpm(struct radeon_device *rdev)
        /* update active crtc counts */
        rdev->pm.dpm.new_active_crtcs = 0;
        rdev->pm.dpm.new_active_crtc_count = 0;
-        list_for_each_entry(crtc,
+        if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
-                &ddev->mode_config.crtc_list, head) {
+                list_for_each_entry(crtc,
-                radeon_crtc = to_radeon_crtc(crtc);
+                                    &ddev->mode_config.crtc_list, head) {
-                if (crtc->enabled) {
+                        radeon_crtc = to_radeon_crtc(crtc);
-                        rdev->pm.dpm.new_active_crtcs |= (1 << radeon_crtc->crtc_id);
+                        if (crtc->enabled) {
-                        rdev->pm.dpm.new_active_crtc_count++;
+                                rdev->pm.dpm.new_active_crtcs |= (1 << radeon_crtc->crtc_id);
+                                rdev->pm.dpm.new_active_crtc_count++;
+                        }
                }
        }
diff --git a/drivers/hwmon/ltc2945.c b/drivers/hwmon/ltc2945.c
index c104cc32989d..c9cddf5f056b 100644
--- a/drivers/hwmon/ltc2945.c
+++ b/drivers/hwmon/ltc2945.c
@@ -1,4 +1,4 @@
-/*
+    /*
 * Driver for Linear Technology LTC2945 I2C Power Monitor
 *
 * Copyright (c) 2014 Guenter Roeck
@@ -314,8 +314,8 @@ static ssize_t ltc2945_reset_history(struct device *dev,
                reg = LTC2945_MAX_ADIN_H;
                break;
        default:
-                BUG();
+                WARN_ONCE(1, "Bad register: 0x%x\n", reg);
-                break;
+                return -EINVAL;
        }
        /* Reset maximum */
        ret = regmap_bulk_write(regmap, reg, buf_max, num_regs);
diff --git a/drivers/hwmon/vexpress.c b/drivers/hwmon/vexpress.c
index d867e6bb2be1..8242b75d96c8 100644
--- a/drivers/hwmon/vexpress.c
+++ b/drivers/hwmon/vexpress.c
@@ -27,15 +27,15 @@
 struct vexpress_hwmon_data {
        struct device *hwmon_dev;
        struct vexpress_config_func *func;
+        const char *name;
 };
 static ssize_t vexpress_hwmon_name_show(struct device *dev,
                struct device_attribute *dev_attr, char *buffer)
 {
-        const char *compatible = of_get_property(dev->of_node, "compatible",
+        struct vexpress_hwmon_data *data = dev_get_drvdata(dev);
-                        NULL);
-        return sprintf(buffer, "%s\n", compatible);
+        return sprintf(buffer, "%s\n", data->name);
 }
 static ssize_t vexpress_hwmon_label_show(struct device *dev,
@@ -43,9 +43,6 @@ static ssize_t vexpress_hwmon_label_show(struct device *dev,
 {
        const char *label = of_get_property(dev->of_node, "label", NULL);
-        if (!label)
-                return -ENOENT;
        return snprintf(buffer, PAGE_SIZE, "%s\n", label);
 }
@@ -84,6 +81,20 @@ static ssize_t vexpress_hwmon_u64_show(struct device *dev,
                        to_sensor_dev_attr(dev_attr)->index));
 }
+static umode_t vexpress_hwmon_attr_is_visible(struct kobject *kobj,
+                struct attribute *attr, int index)
+{
+        struct device *dev = kobj_to_dev(kobj);
+        struct device_attribute *dev_attr = container_of(attr,
+                                struct device_attribute, attr);
+        if (dev_attr->show == vexpress_hwmon_label_show &&
+                        !of_get_property(dev->of_node, "label", NULL))
+                return 0;
+        return attr->mode;
+}
 static DEVICE_ATTR(name, S_IRUGO, vexpress_hwmon_name_show, NULL);
 #define VEXPRESS_HWMON_ATTRS(_name, _label_attr, _input_attr)   \
@@ -94,14 +105,27 @@ struct attribute *vexpress_hwmon_attrs_##_name[] = {		\
        NULL                                                    \
 }
+struct vexpress_hwmon_type {
+        const char *name;
+        const struct attribute_group **attr_groups;
+};
 #if !defined(CONFIG_REGULATOR_VEXPRESS)
 static DEVICE_ATTR(in1_label, S_IRUGO, vexpress_hwmon_label_show, NULL);
 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, vexpress_hwmon_u32_show,
                NULL, 1000);
 static VEXPRESS_HWMON_ATTRS(volt, in1_label, in1_input);
 static struct attribute_group vexpress_hwmon_group_volt = {
+        .is_visible = vexpress_hwmon_attr_is_visible,
        .attrs = vexpress_hwmon_attrs_volt,
 };
+static struct vexpress_hwmon_type vexpress_hwmon_volt = {
+        .name = "vexpress_volt",
+        .attr_groups = (const struct attribute_group *[]) {
+                &vexpress_hwmon_group_volt,
+                NULL,
+        },
+};
 #endif
 static DEVICE_ATTR(curr1_label, S_IRUGO, vexpress_hwmon_label_show, NULL);
@@ -109,52 +133,84 @@ static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, vexpress_hwmon_u32_show,
                NULL, 1000);
 static VEXPRESS_HWMON_ATTRS(amp, curr1_label, curr1_input);
 static struct attribute_group vexpress_hwmon_group_amp = {
+        .is_visible = vexpress_hwmon_attr_is_visible,
        .attrs = vexpress_hwmon_attrs_amp,
 };
+static struct vexpress_hwmon_type vexpress_hwmon_amp = {
+        .name = "vexpress_amp",
+        .attr_groups = (const struct attribute_group *[]) {
+                &vexpress_hwmon_group_amp,
+                NULL
+        },
+};
 static DEVICE_ATTR(temp1_label, S_IRUGO, vexpress_hwmon_label_show, NULL);
 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, vexpress_hwmon_u32_show,
                NULL, 1000);
 static VEXPRESS_HWMON_ATTRS(temp, temp1_label, temp1_input);
 static struct attribute_group vexpress_hwmon_group_temp = {
+        .is_visible = vexpress_hwmon_attr_is_visible,
        .attrs = vexpress_hwmon_attrs_temp,
 };
+static struct vexpress_hwmon_type vexpress_hwmon_temp = {
+        .name = "vexpress_temp",
+        .attr_groups = (const struct attribute_group *[]) {
+                &vexpress_hwmon_group_temp,
+                NULL
+        },
+};
 static DEVICE_ATTR(power1_label, S_IRUGO, vexpress_hwmon_label_show, NULL);
 static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, vexpress_hwmon_u32_show,
                NULL, 1);
 static VEXPRESS_HWMON_ATTRS(power, power1_label, power1_input);
 static struct attribute_group vexpress_hwmon_group_power = {
+        .is_visible = vexpress_hwmon_attr_is_visible,
        .attrs = vexpress_hwmon_attrs_power,
 };
+static struct vexpress_hwmon_type vexpress_hwmon_power = {
+        .name = "vexpress_power",
+        .attr_groups = (const struct attribute_group *[]) {
+                &vexpress_hwmon_group_power,
+                NULL
+        },
+};
 static DEVICE_ATTR(energy1_label, S_IRUGO, vexpress_hwmon_label_show, NULL);
 static SENSOR_DEVICE_ATTR(energy1_input, S_IRUGO, vexpress_hwmon_u64_show,
                NULL, 1);
 static VEXPRESS_HWMON_ATTRS(energy, energy1_label, energy1_input);
 static struct attribute_group vexpress_hwmon_group_energy = {
+        .is_visible = vexpress_hwmon_attr_is_visible,
        .attrs = vexpress_hwmon_attrs_energy,
 };
+static struct vexpress_hwmon_type vexpress_hwmon_energy = {
+        .name = "vexpress_energy",
+        .attr_groups = (const struct attribute_group *[]) {
+                &vexpress_hwmon_group_energy,
+                NULL
+        },
+};
 static struct of_device_id vexpress_hwmon_of_match[] = {
 #if !defined(CONFIG_REGULATOR_VEXPRESS)
        {
                .compatible = "arm,vexpress-volt",
-                .data = &vexpress_hwmon_group_volt,
+                .data = &vexpress_hwmon_volt,
        },
 #endif
        {
                .compatible = "arm,vexpress-amp",
-                .data = &vexpress_hwmon_group_amp,
+                .data = &vexpress_hwmon_amp,
        }, {
                .compatible = "arm,vexpress-temp",
-                .data = &vexpress_hwmon_group_temp,
+                .data = &vexpress_hwmon_temp,
        }, {
                .compatible = "arm,vexpress-power",
-                .data = &vexpress_hwmon_group_power,
+                .data = &vexpress_hwmon_power,
        }, {
                .compatible = "arm,vexpress-energy",
-                .data = &vexpress_hwmon_group_energy,
+                .data = &vexpress_hwmon_energy,
        },
        {}
 };
@@ -165,6 +221,7 @@ static int vexpress_hwmon_probe(struct platform_device *pdev)
        int err;
        const struct of_device_id *match;
        struct vexpress_hwmon_data *data;
+        const struct vexpress_hwmon_type *type;
        data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
        if (!data)
@@ -174,12 +231,14 @@ static int vexpress_hwmon_probe(struct platform_device *pdev)
        match = of_match_device(vexpress_hwmon_of_match, &pdev->dev);
        if (!match)
                return -ENODEV;
+        type = match->data;
+        data->name = type->name;
        data->func = vexpress_config_func_get_by_dev(&pdev->dev);
        if (!data->func)
                return -ENODEV;
-        err = sysfs_create_group(&pdev->dev.kobj, match->data);
+        err = sysfs_create_groups(&pdev->dev.kobj, type->attr_groups);
        if (err)
                goto error;
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index a43220c2e3d9..4d140bbbe100 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -750,9 +750,10 @@ void intel_idle_state_table_update(void)
                        if (package_num + 1 > num_sockets) {
                                num_sockets = package_num + 1;
-                                if (num_sockets > 4)
+                                if (num_sockets > 4) {
                                        cpuidle_state_table = ivt_cstates_8s;
                                        return;
+                                }
                        }
                }
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 5b1aa027c034..89777ed9abd8 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -765,14 +765,17 @@ static int at91_adc_probe_pdata(struct at91_adc_state *st,
        if (!pdata)
                return -EINVAL;
+        st->caps = (struct at91_adc_caps *)
+                        platform_get_device_id(pdev)->driver_data;
        st->use_external = pdata->use_external_triggers;
        st->vref_mv = pdata->vref;
        st->channels_mask = pdata->channels_used;
-        st->num_channels = pdata->num_channels;
+        st->num_channels = st->caps->num_channels;
        st->startup_time = pdata->startup_time;
        st->trigger_number = pdata->trigger_number;
        st->trigger_list = pdata->trigger_list;
-        st->registers = pdata->registers;
+        st->registers = &st->caps->registers;
        return 0;
 }
@@ -1004,8 +1007,11 @@ static int at91_adc_probe(struct platform_device *pdev)
         * the best converted final value between two channels selection
         * The formula thus is : Sample and Hold Time = (shtim + 1) / ADCClock
         */
-        shtim = round_up((st->sample_hold_time * adc_clk_khz /
+        if (st->sample_hold_time > 0)
-                          1000) - 1, 1);
+                shtim = round_up((st->sample_hold_time * adc_clk_khz / 1000)
+                                 - 1, 1);
+        else
+                shtim = 0;
        reg = AT91_ADC_PRESCAL_(prsc) & st->registers->mr_prescal_mask;
        reg |= AT91_ADC_STARTUP_(ticks) & st->registers->mr_startup_mask;
@@ -1101,7 +1107,6 @@ static int at91_adc_remove(struct platform_device *pdev)
        return 0;
 }
-#ifdef CONFIG_OF
 static struct at91_adc_caps at91sam9260_caps = {
        .calc_startup_ticks = calc_startup_ticks_9260,
        .num_channels = 4,
@@ -1154,11 +1159,27 @@ static const struct of_device_id at91_adc_dt_ids[] = {
        {},
 };
 MODULE_DEVICE_TABLE(of, at91_adc_dt_ids);
-#endif
+static const struct platform_device_id at91_adc_ids[] = {
+        {
+                .name = "at91sam9260-adc",
+                .driver_data = (unsigned long)&at91sam9260_caps,
+        }, {
+                .name = "at91sam9g45-adc",
+                .driver_data = (unsigned long)&at91sam9g45_caps,
+        }, {
+                .name = "at91sam9x5-adc",
+                .driver_data = (unsigned long)&at91sam9x5_caps,
+        }, {
+                /* terminator */
+        }
+};
+MODULE_DEVICE_TABLE(platform, at91_adc_ids);
 static struct platform_driver at91_adc_driver = {
        .probe = at91_adc_probe,
        .remove = at91_adc_remove,
+        .id_table = at91_adc_ids,
        .driver = {
                   .name = DRIVER_NAME,
                   .of_match_table = of_match_ptr(at91_adc_dt_ids),
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index e108f2a9d827..e472cff6eeae 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -165,7 +165,8 @@ static ssize_t iio_scan_el_show(struct device *dev,
        int ret;
        struct iio_dev *indio_dev = dev_to_iio_dev(dev);
-        ret = test_bit(to_iio_dev_attr(attr)->address,
+        /* Ensure ret is 0 or 1. */
+        ret = !!test_bit(to_iio_dev_attr(attr)->address,
                       indio_dev->buffer->scan_mask);
        return sprintf(buf, "%d\n", ret);
@@ -862,7 +863,8 @@ int iio_scan_mask_query(struct iio_dev *indio_dev,
        if (!buffer->scan_mask)
                return 0;
-        return test_bit(bit, buffer->scan_mask);
+        /* Ensure return value is 0 or 1. */
+        return !!test_bit(bit, buffer->scan_mask);
 };
 EXPORT_SYMBOL_GPL(iio_scan_mask_query);
diff --git a/drivers/iio/light/cm32181.c b/drivers/iio/light/cm32181.c
index 47a6dbac2d0c..d976e6ce60db 100644
--- a/drivers/iio/light/cm32181.c
+++ b/drivers/iio/light/cm32181.c
@@ -221,6 +221,7 @@ static int cm32181_read_raw(struct iio_dev *indio_dev,
                *val = cm32181->calibscale;
                return IIO_VAL_INT;
        case IIO_CHAN_INFO_INT_TIME:
+                *val = 0;
                ret = cm32181_read_als_it(cm32181, val2);
                return ret;
        }
diff --git a/drivers/iio/light/cm36651.c b/drivers/iio/light/cm36651.c
index a45e07492db3..39fc67e82138 100644
--- a/drivers/iio/light/cm36651.c
+++ b/drivers/iio/light/cm36651.c
@@ -652,7 +652,19 @@ static int cm36651_probe(struct i2c_client *client,
        cm36651->client = client;
        cm36651->ps_client = i2c_new_dummy(client->adapter,
                                                     CM36651_I2C_ADDR_PS);
+        if (!cm36651->ps_client) {
+                dev_err(&client->dev, "%s: new i2c device failed\n", __func__);
+                ret = -ENODEV;
+                goto error_disable_reg;
+        }
        cm36651->ara_client = i2c_new_dummy(client->adapter, CM36651_ARA);
+        if (!cm36651->ara_client) {
+                dev_err(&client->dev, "%s: new i2c device failed\n", __func__);
+                ret = -ENODEV;
+                goto error_i2c_unregister_ps;
+        }
        mutex_init(&cm36651->lock);
        indio_dev->dev.parent = &client->dev;
        indio_dev->channels = cm36651_channels;
@@ -664,7 +676,7 @@ static int cm36651_probe(struct i2c_client *client,
        ret = cm36651_setup_reg(cm36651);
        if (ret) {
                dev_err(&client->dev, "%s: register setup failed\n", __func__);
-                goto error_disable_reg;
+                goto error_i2c_unregister_ara;
        }
        ret = request_threaded_irq(client->irq, NULL, cm36651_irq_handler,
@@ -672,7 +684,7 @@ static int cm36651_probe(struct i2c_client *client,
                                                        "cm36651", indio_dev);
        if (ret) {
                dev_err(&client->dev, "%s: request irq failed\n", __func__);
-                goto error_disable_reg;
+                goto error_i2c_unregister_ara;
        }
        ret = iio_device_register(indio_dev);
@@ -685,6 +697,10 @@ static int cm36651_probe(struct i2c_client *client,
 error_free_irq:
        free_irq(client->irq, indio_dev);
+error_i2c_unregister_ara:
+        i2c_unregister_device(cm36651->ara_client);
+error_i2c_unregister_ps:
+        i2c_unregister_device(cm36651->ps_client);
 error_disable_reg:
        regulator_disable(cm36651->vled_reg);
        return ret;
@@ -698,6 +714,8 @@ static int cm36651_remove(struct i2c_client *client)
        iio_device_unregister(indio_dev);
        regulator_disable(cm36651->vled_reg);
        free_irq(client->irq, indio_dev);
+        i2c_unregister_device(cm36651->ps_client);
+        i2c_unregister_device(cm36651->ara_client);
        return 0;
 }
diff --git a/drivers/input/misc/da9055_onkey.c b/drivers/input/misc/da9055_onkey.c
index 4b11ede34950..4765799fef74 100644
--- a/drivers/input/misc/da9055_onkey.c
+++ b/drivers/input/misc/da9055_onkey.c
@@ -109,7 +109,6 @@ static int da9055_onkey_probe(struct platform_device *pdev)
        INIT_DELAYED_WORK(&onkey->work, da9055_onkey_work);
-        irq = regmap_irq_get_virq(da9055->irq_data, irq);
        err = request_threaded_irq(irq, NULL, da9055_onkey_irq,
                                   IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
                                   "ONKEY", onkey);
diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c
index 08ead2aaede5..20c80f543d5e 100644
--- a/drivers/input/misc/soc_button_array.c
+++ b/drivers/input/misc/soc_button_array.c
@@ -169,6 +169,7 @@ static int soc_button_pnp_probe(struct pnp_dev *pdev,
                                soc_button_remove(pdev);
                                return error;
                        }
+                        continue;
                }
                priv->children[i] = pd;
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index ef1cf52f8bb9..088d3541c7d3 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1353,6 +1353,7 @@ static int elantech_set_properties(struct elantech_data *etd)
                case 6:
                case 7:
                case 8:
+                case 9:
                        etd->hw_version = 4;
                        break;
                default:
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index d8d49d10f9bb..ef9f4913450d 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -117,6 +117,44 @@ void synaptics_reset(struct psmouse *psmouse)
 }
 #ifdef CONFIG_MOUSE_PS2_SYNAPTICS
+/* This list has been kindly provided by Synaptics. */
+static const char * const topbuttonpad_pnp_ids[] = {
+        "LEN0017",
+        "LEN0018",
+        "LEN0019",
+        "LEN0023",
+        "LEN002A",
+        "LEN002B",
+        "LEN002C",
+        "LEN002D",
+        "LEN002E",
+        "LEN0033", /* Helix */
+        "LEN0034", /* T431s, T540, X1 Carbon 2nd */
+        "LEN0035", /* X240 */
+        "LEN0036", /* T440 */
+        "LEN0037",
+        "LEN0038",
+        "LEN0041",
+        "LEN0042", /* Yoga */
+        "LEN0045",
+        "LEN0046",
+        "LEN0047",
+        "LEN0048",
+        "LEN0049",
+        "LEN2000",
+        "LEN2001",
+        "LEN2002",
+        "LEN2003",
+        "LEN2004", /* L440 */
+        "LEN2005",
+        "LEN2006",
+        "LEN2007",
+        "LEN2008",
+        "LEN2009",
+        "LEN200A",
+        "LEN200B",
+        NULL
+};
 /*****************************************************************************
 *      Synaptics communications functions
@@ -1255,8 +1293,10 @@ static void set_abs_position_params(struct input_dev *dev,
        input_abs_set_res(dev, y_code, priv->y_res);
 }
-static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
+static void set_input_params(struct psmouse *psmouse,
+                             struct synaptics_data *priv)
 {
+        struct input_dev *dev = psmouse->dev;
        int i;
        /* Things that apply to both modes */
@@ -1325,6 +1365,17 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
        if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
                __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
+                /* See if this buttonpad has a top button area */
+                if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4)) {
+                        for (i = 0; topbuttonpad_pnp_ids[i]; i++) {
+                                if (strstr(psmouse->ps2dev.serio->firmware_id,
+                                           topbuttonpad_pnp_ids[i])) {
+                                        __set_bit(INPUT_PROP_TOPBUTTONPAD,
+                                                  dev->propbit);
+                                        break;
+                                }
+                        }
+                }
                /* Clickpads report only left button */
                __clear_bit(BTN_RIGHT, dev->keybit);
                __clear_bit(BTN_MIDDLE, dev->keybit);
@@ -1515,6 +1566,14 @@ static const struct dmi_system_id min_max_dmi_table[] __initconst = {
                .driver_data = (int []){1232, 5710, 1156, 4696},
        },
        {
+                /* Lenovo ThinkPad T431s */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T431"),
+                },
+                .driver_data = (int []){1024, 5112, 2024, 4832},
+        },
+        {
                /* Lenovo ThinkPad T440s */
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
@@ -1523,6 +1582,14 @@ static const struct dmi_system_id min_max_dmi_table[] __initconst = {
                .driver_data = (int []){1024, 5112, 2024, 4832},
        },
        {
+                /* Lenovo ThinkPad L440 */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L440"),
+                },
+                .driver_data = (int []){1024, 5112, 2024, 4832},
+        },
+        {
                /* Lenovo ThinkPad T540p */
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
@@ -1530,6 +1597,32 @@ static const struct dmi_system_id min_max_dmi_table[] __initconst = {
                },
                .driver_data = (int []){1024, 5056, 2058, 4832},
        },
+        {
+                /* Lenovo ThinkPad L540 */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                        DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L540"),
+                },
+                .driver_data = (int []){1024, 5112, 2024, 4832},
+        },
+        {
+                /* Lenovo Yoga S1 */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                        DMI_EXACT_MATCH(DMI_PRODUCT_VERSION,
+                                        "ThinkPad S1 Yoga"),
+                },
+                .driver_data = (int []){1232, 5710, 1156, 4696},
+        },
+        {
+                /* Lenovo ThinkPad X1 Carbon Haswell (3rd generation) */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                        DMI_MATCH(DMI_PRODUCT_VERSION,
+                                        "ThinkPad X1 Carbon 2nd"),
+                },
+                .driver_data = (int []){1024, 5112, 2024, 4832},
+        },
 #endif
        { }
 };
@@ -1593,7 +1686,7 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode)
                     priv->capabilities, priv->ext_cap, priv->ext_cap_0c,
                     priv->board_id, priv->firmware_id);
-        set_input_params(psmouse->dev, priv);
+        set_input_params(psmouse, priv);
        /*
         * Encode touchpad model so that it can be used to set
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 0ec9abbe31fe..381b20d4c561 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -702,6 +702,17 @@ static int i8042_pnp_aux_irq;
 static char i8042_pnp_kbd_name[32];
 static char i8042_pnp_aux_name[32];
+static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
+{
+        strlcpy(dst, "PNP:", dst_size);
+        while (id) {
+                strlcat(dst, " ", dst_size);
+                strlcat(dst, id->id, dst_size);
+                id = id->next;
+        }
+}
 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 {
        if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
@@ -718,6 +729,8 @@ static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *
                strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
                strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
        }
+        i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
+                               sizeof(i8042_kbd_firmware_id));
        /* Keyboard ports are always supposed to be wakeup-enabled */
        device_set_wakeup_enable(&dev->dev, true);
@@ -742,6 +755,8 @@ static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *
                strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
                strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
        }
+        i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
+                               sizeof(i8042_aux_firmware_id));
        i8042_pnp_aux_devices++;
        return 0;
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 020053fa5aaa..3807c3e971cc 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -87,6 +87,8 @@ MODULE_PARM_DESC(debug, "Turn i8042 debugging mode on and off");
 #endif
 static bool i8042_bypass_aux_irq_test;
+static char i8042_kbd_firmware_id[128];
+static char i8042_aux_firmware_id[128];
 #include "i8042.h"
@@ -1218,6 +1220,8 @@ static int __init i8042_create_kbd_port(void)
        serio->dev.parent       = &i8042_platform_device->dev;
        strlcpy(serio->name, "i8042 KBD port", sizeof(serio->name));
        strlcpy(serio->phys, I8042_KBD_PHYS_DESC, sizeof(serio->phys));
+        strlcpy(serio->firmware_id, i8042_kbd_firmware_id,
+                sizeof(serio->firmware_id));
        port->serio = serio;
        port->irq = I8042_KBD_IRQ;
@@ -1244,6 +1248,8 @@ static int __init i8042_create_aux_port(int idx)
        if (idx < 0) {
                strlcpy(serio->name, "i8042 AUX port", sizeof(serio->name));
                strlcpy(serio->phys, I8042_AUX_PHYS_DESC, sizeof(serio->phys));
+                strlcpy(serio->firmware_id, i8042_aux_firmware_id,
+                        sizeof(serio->firmware_id));
                serio->close = i8042_port_close;
        } else {
                snprintf(serio->name, sizeof(serio->name), "i8042 AUX%d port", idx);
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 8f4c4ab04bc2..b29134de983b 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -451,6 +451,13 @@ static ssize_t serio_set_bind_mode(struct device *dev, struct device_attribute *
        return retval;
 }
+static ssize_t firmware_id_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+        struct serio *serio = to_serio_port(dev);
+        return sprintf(buf, "%s\n", serio->firmware_id);
+}
 static DEVICE_ATTR_RO(type);
 static DEVICE_ATTR_RO(proto);
 static DEVICE_ATTR_RO(id);
@@ -473,12 +480,14 @@ static DEVICE_ATTR_RO(modalias);
 static DEVICE_ATTR_WO(drvctl);
 static DEVICE_ATTR(description, S_IRUGO, serio_show_description, NULL);
 static DEVICE_ATTR(bind_mode, S_IWUSR | S_IRUGO, serio_show_bind_mode, serio_set_bind_mode);
+static DEVICE_ATTR_RO(firmware_id);
 static struct attribute *serio_device_attrs[] = {
        &dev_attr_modalias.attr,
        &dev_attr_description.attr,
        &dev_attr_drvctl.attr,
        &dev_attr_bind_mode.attr,
+        &dev_attr_firmware_id.attr,
        NULL
 };
@@ -921,9 +930,14 @@ static int serio_uevent(struct device *dev, struct kobj_uevent_env *env)
        SERIO_ADD_UEVENT_VAR("SERIO_PROTO=%02x", serio->id.proto);
        SERIO_ADD_UEVENT_VAR("SERIO_ID=%02x", serio->id.id);
        SERIO_ADD_UEVENT_VAR("SERIO_EXTRA=%02x", serio->id.extra);
        SERIO_ADD_UEVENT_VAR("MODALIAS=serio:ty%02Xpr%02Xid%02Xex%02X",
                                serio->id.type, serio->id.proto, serio->id.id, serio->id.extra);
+        if (serio->firmware_id[0])
+                SERIO_ADD_UEVENT_VAR("SERIO_FIRMWARE_ID=%s",
+                                     serio->firmware_id);
        return 0;
 }
 #undef SERIO_ADD_UEVENT_VAR
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index b16ebef5b911..611fc3905d00 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -22,23 +22,18 @@
 #define HID_USAGE_PAGE_DIGITIZER        0x0d
 #define HID_USAGE_PAGE_DESKTOP          0x01
 #define HID_USAGE                       0x09
-#define HID_USAGE_X                     0x30
+#define HID_USAGE_X                     ((HID_USAGE_PAGE_DESKTOP << 16) | 0x30)
-#define HID_USAGE_Y                     0x31
+#define HID_USAGE_Y                     ((HID_USAGE_PAGE_DESKTOP << 16) | 0x31)
-#define HID_USAGE_X_TILT                0x3d
+#define HID_USAGE_PRESSURE              ((HID_USAGE_PAGE_DIGITIZER << 16) | 0x30)
-#define HID_USAGE_Y_TILT                0x3e
+#define HID_USAGE_X_TILT                ((HID_USAGE_PAGE_DIGITIZER << 16) | 0x3d)
-#define HID_USAGE_FINGER                0x22
+#define HID_USAGE_Y_TILT                ((HID_USAGE_PAGE_DIGITIZER << 16) | 0x3e)
-#define HID_USAGE_STYLUS                0x20
+#define HID_USAGE_FINGER                ((HID_USAGE_PAGE_DIGITIZER << 16) | 0x22)
-#define HID_USAGE_CONTACTMAX            0x55
+#define HID_USAGE_STYLUS                ((HID_USAGE_PAGE_DIGITIZER << 16) | 0x20)
+#define HID_USAGE_CONTACTMAX            ((HID_USAGE_PAGE_DIGITIZER << 16) | 0x55)
 #define HID_COLLECTION                  0xa1
 #define HID_COLLECTION_LOGICAL          0x02
 #define HID_COLLECTION_END              0xc0
-enum {
-        WCM_UNDEFINED = 0,
-        WCM_DESKTOP,
-        WCM_DIGITIZER,
-};
 struct hid_descriptor {
        struct usb_descriptor_header header;
        __le16   bcdHID;
@@ -305,7 +300,7 @@ static int wacom_parse_hid(struct usb_interface *intf,
        char limit = 0;
        /* result has to be defined as int for some devices */
        int result = 0, touch_max = 0;
-        int i = 0, usage = WCM_UNDEFINED, finger = 0, pen = 0;
+        int i = 0, page = 0, finger = 0, pen = 0;
        unsigned char *report;
        report = kzalloc(hid_desc->wDescriptorLength, GFP_KERNEL);
@@ -332,134 +327,121 @@ static int wacom_parse_hid(struct usb_interface *intf,
                switch (report[i]) {
                case HID_USAGE_PAGE:
-                        switch (report[i + 1]) {
+                        page = report[i + 1];
-                        case HID_USAGE_PAGE_DIGITIZER:
+                        i++;
-                                usage = WCM_DIGITIZER;
-                                i++;
-                                break;
-                        case HID_USAGE_PAGE_DESKTOP:
-                                usage = WCM_DESKTOP;
-                                i++;
-                                break;
-                        }
                        break;
                case HID_USAGE:
-                        switch (report[i + 1]) {
+                        switch (page << 16 | report[i + 1]) {
                        case HID_USAGE_X:
-                                if (usage == WCM_DESKTOP) {
+                                if (finger) {
-                                        if (finger) {
+                                        features->device_type = BTN_TOOL_FINGER;
-                                                features->device_type = BTN_TOOL_FINGER;
+                                        /* touch device at least supports one touch point */
-                                                /* touch device at least supports one touch point */
+                                        touch_max = 1;
-                                                touch_max = 1;
+                                        switch (features->type) {
-                                                switch (features->type) {
+                                        case TABLETPC2FG:
-                                                case TABLETPC2FG:
+                                                features->pktlen = WACOM_PKGLEN_TPC2FG;
-                                                        features->pktlen = WACOM_PKGLEN_TPC2FG;
+                                                break;
-                                                        break;
+                                        case MTSCREEN:
-                                                case MTSCREEN:
+                                        case WACOM_24HDT:
-                                                case WACOM_24HDT:
+                                                features->pktlen = WACOM_PKGLEN_MTOUCH;
-                                                        features->pktlen = WACOM_PKGLEN_MTOUCH;
+                                                break;
-                                                        break;
+                                        case MTTPC:
-                                                case MTTPC:
+                                                features->pktlen = WACOM_PKGLEN_MTTPC;
-                                                        features->pktlen = WACOM_PKGLEN_MTTPC;
+                                                break;
-                                                        break;
+                                        case BAMBOO_PT:
-                                                case BAMBOO_PT:
+                                                features->pktlen = WACOM_PKGLEN_BBTOUCH;
-                                                        features->pktlen = WACOM_PKGLEN_BBTOUCH;
+                                                break;
-                                                        break;
+                                        default:
-                                                default:
+                                                features->pktlen = WACOM_PKGLEN_GRAPHIRE;
-                                                        features->pktlen = WACOM_PKGLEN_GRAPHIRE;
+                                                break;
-                                                        break;
+                                        }
-                                                }
+                                        switch (features->type) {
-                                                switch (features->type) {
+                                        case BAMBOO_PT:
-                                                case BAMBOO_PT:
+                                                features->x_phy =
-                                                        features->x_phy =
+                                                        get_unaligned_le16(&report[i + 5]);
-                                                                get_unaligned_le16(&report[i + 5]);
+                                                features->x_max =
-                                                        features->x_max =
+                                                        get_unaligned_le16(&report[i + 8]);
-                                                                get_unaligned_le16(&report[i + 8]);
+                                                i += 15;
-                                                        i += 15;
+                                                break;
-                                                        break;
+                                        case WACOM_24HDT:
-                                                case WACOM_24HDT:
-                                                        features->x_max =
-                                                                get_unaligned_le16(&report[i + 3]);
-                                                        features->x_phy =
-                                                                get_unaligned_le16(&report[i + 8]);
-                                                        features->unit = report[i - 1];
-                                                        features->unitExpo = report[i - 3];
-                                                        i += 12;
-                                                        break;
-                                                default:
-                                                        features->x_max =
-                                                                get_unaligned_le16(&report[i + 3]);
-                                                        features->x_phy =
-                                                                get_unaligned_le16(&report[i + 6]);
-                                                        features->unit = report[i + 9];
-                                                        features->unitExpo = report[i + 11];
-                                                        i += 12;
-                                                        break;
-                                                }
-                                        } else if (pen) {
-                                                /* penabled only accepts exact bytes of data */
-                                                if (features->type >= TABLETPC)
-                                                        features->pktlen = WACOM_PKGLEN_GRAPHIRE;
-                                                features->device_type = BTN_TOOL_PEN;
                                                features->x_max =
                                                        get_unaligned_le16(&report[i + 3]);
-                                                i += 4;
+                                                features->x_phy =
+                                                        get_unaligned_le16(&report[i + 8]);
+                                                features->unit = report[i - 1];
+                                                features->unitExpo = report[i - 3];
+                                                i += 12;
+                                                break;
+                                        default:
+                                                features->x_max =
+                                                        get_unaligned_le16(&report[i + 3]);
+                                                features->x_phy =
+                                                        get_unaligned_le16(&report[i + 6]);
+                                                features->unit = report[i + 9];
+                                                features->unitExpo = report[i + 11];
+                                                i += 12;
+                                                break;
                                        }
+                                } else if (pen) {
+                                        /* penabled only accepts exact bytes of data */
+                                        if (features->type >= TABLETPC)
+                                                features->pktlen = WACOM_PKGLEN_GRAPHIRE;
+                                        features->device_type = BTN_TOOL_PEN;
+                                        features->x_max =
+                                                get_unaligned_le16(&report[i + 3]);
+                                        i += 4;
                                }
                                break;
                        case HID_USAGE_Y:
-                                if (usage == WCM_DESKTOP) {
+                                if (finger) {
-                                        if (finger) {
+                                        switch (features->type) {
-                                                switch (features->type) {
+                                        case TABLETPC2FG:
-                                                case TABLETPC2FG:
+                                        case MTSCREEN:
-                                                case MTSCREEN:
+                                        case MTTPC:
-                                                case MTTPC:
+                                                features->y_max =
-                                                        features->y_max =
+                                                        get_unaligned_le16(&report[i + 3]);
-                                                                get_unaligned_le16(&report[i + 3]);
+                                                features->y_phy =
-                                                        features->y_phy =
+                                                        get_unaligned_le16(&report[i + 6]);
-                                                                get_unaligned_le16(&report[i + 6]);
+                                                i += 7;
-                                                        i += 7;
+                                                break;
-                                                        break;
+                                        case WACOM_24HDT:
-                                                case WACOM_24HDT:
+                                                features->y_max =
-                                                        features->y_max =
+                                                        get_unaligned_le16(&report[i + 3]);
-                                                                get_unaligned_le16(&report[i + 3]);
+                                                features->y_phy =
-                                                        features->y_phy =
+                                                        get_unaligned_le16(&report[i - 2]);
-                                                                get_unaligned_le16(&report[i - 2]);
+                                                i += 7;
-                                                        i += 7;
+                                                break;
-                                                        break;
+                                        case BAMBOO_PT:
-                                                case BAMBOO_PT:
+                                                features->y_phy =
-                                                        features->y_phy =
+                                                        get_unaligned_le16(&report[i + 3]);
-                                                                get_unaligned_le16(&report[i + 3]);
+                                                features->y_max =
-                                                        features->y_max =
+                                                        get_unaligned_le16(&report[i + 6]);
-                                                                get_unaligned_le16(&report[i + 6]);
+                                                i += 12;
-                                                        i += 12;
+                                                break;
-                                                        break;
+                                        default:
-                                                default:
-                                                        features->y_max =
-                                                                features->x_max;
-                                                        features->y_phy =
-                                                                get_unaligned_le16(&report[i + 3]);
-                                                        i += 4;
-                                                        break;
-                                                }
-                                        } else if (pen) {
                                                features->y_max =
+                                                        features->x_max;
+                                                features->y_phy =
                                                        get_unaligned_le16(&report[i + 3]);
                                                i += 4;
+                                                break;
                                        }
+                                } else if (pen) {
+                                        features->y_max =
+                                                get_unaligned_le16(&report[i + 3]);
+                                        i += 4;
                                }
                                break;
@@ -484,12 +466,20 @@ static int wacom_parse_hid(struct usb_interface *intf,
                                        wacom_retrieve_report_data(intf, features);
                                i++;
                                break;
+                        case HID_USAGE_PRESSURE:
+                                if (pen) {
+                                        features->pressure_max =
+                                                get_unaligned_le16(&report[i + 3]);
+                                        i += 4;
+                                }
+                                break;
                        }
                        break;
                case HID_COLLECTION_END:
                        /* reset UsagePage and Finger */
-                        finger = usage = 0;
+                        finger = page = 0;
                        break;
                case HID_COLLECTION:
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 05f371df6c40..4822c57a3756 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -178,10 +178,9 @@ static int wacom_ptu_irq(struct wacom_wac *wacom)
 static int wacom_dtu_irq(struct wacom_wac *wacom)
 {
-        struct wacom_features *features = &wacom->features;
+        unsigned char *data = wacom->data;
-        char *data = wacom->data;
        struct input_dev *input = wacom->input;
-        int prox = data[1] & 0x20, pressure;
+        int prox = data[1] & 0x20;
        dev_dbg(input->dev.parent,
                "%s: received report #%d", __func__, data[0]);
@@ -198,10 +197,7 @@ static int wacom_dtu_irq(struct wacom_wac *wacom)
        input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
        input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
        input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
-        pressure = ((data[7] & 0x01) << 8) | data[6];
+        input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]);
-        if (pressure < 0)
-                pressure = features->pressure_max + pressure + 1;
-        input_report_abs(input, ABS_PRESSURE, pressure);
        input_report_key(input, BTN_TOUCH, data[1] & 0x05);
        if (!prox) /* out-prox */
                wacom->id[0] = 0;
@@ -906,7 +902,7 @@ static int int_dist(int x1, int y1, int x2, int y2)
 static int wacom_24hdt_irq(struct wacom_wac *wacom)
 {
        struct input_dev *input = wacom->input;
-        char *data = wacom->data;
+        unsigned char *data = wacom->data;
        int i;
        int current_num_contacts = data[61];
        int contacts_to_send = 0;
@@ -959,7 +955,7 @@ static int wacom_24hdt_irq(struct wacom_wac *wacom)
 static int wacom_mt_touch(struct wacom_wac *wacom)
 {
        struct input_dev *input = wacom->input;
-        char *data = wacom->data;
+        unsigned char *data = wacom->data;
        int i;
        int current_num_contacts = data[2];
        int contacts_to_send = 0;
@@ -1038,7 +1034,7 @@ static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
 {
-        char *data = wacom->data;
+        unsigned char *data = wacom->data;
        struct input_dev *input = wacom->input;
        bool prox;
        int x = 0, y = 0;
@@ -1074,10 +1070,8 @@ static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
 static int wacom_tpc_pen(struct wacom_wac *wacom)
 {
-        struct wacom_features *features = &wacom->features;
+        unsigned char *data = wacom->data;
-        char *data = wacom->data;
        struct input_dev *input = wacom->input;
-        int pressure;
        bool prox = data[1] & 0x20;
        if (!wacom->shared->stylus_in_proximity) /* first in prox */
@@ -1093,10 +1087,7 @@ static int wacom_tpc_pen(struct wacom_wac *wacom)
                input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
                input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
                input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
-                pressure = ((data[7] & 0x01) << 8) | data[6];
+                input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x03) << 8) | data[6]);
-                if (pressure < 0)
-                        pressure = features->pressure_max + pressure + 1;
-                input_report_abs(input, ABS_PRESSURE, pressure);
                input_report_key(input, BTN_TOUCH, data[1] & 0x05);
                input_report_key(input, wacom->tool[0], prox);
                return 1;
@@ -1107,7 +1098,7 @@ static int wacom_tpc_pen(struct wacom_wac *wacom)
 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
 {
-        char *data = wacom->data;
+        unsigned char *data = wacom->data;
        dev_dbg(wacom->input->dev.parent,
                "%s: received report #%d\n", __func__, data[0]);
@@ -1838,7 +1829,7 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev,
        case DTU:
                if (features->type == DTUS) {
                        input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
-                        for (i = 0; i < 3; i++)
+                        for (i = 0; i < 4; i++)
                                __set_bit(BTN_0 + i, input_dev->keybit);
                }
                __set_bit(BTN_TOOL_PEN, input_dev->keybit);
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 45a06e495ed2..7f8aa981500d 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -425,7 +425,7 @@ static int ads7845_read12_ser(struct device *dev, unsigned command)
 name ## _show(struct device *dev, struct device_attribute *attr, char *buf) \
 { \
        struct ads7846 *ts = dev_get_drvdata(dev); \
-        ssize_t v = ads7846_read12_ser(dev, \
+        ssize_t v = ads7846_read12_ser(&ts->spi->dev, \
                        READ_12BIT_SER(var)); \
        if (v < 0) \
                return v; \
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 4300b6606f5e..57d165e026f4 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -246,10 +246,14 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
                            bool force)
 {
        void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3);
-        unsigned int shift = (gic_irq(d) % 4) * 8;
+        unsigned int cpu, shift = (gic_irq(d) % 4) * 8;
-        unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask);
        u32 val, mask, bit;
+        if (!force)
+                cpu = cpumask_any_and(mask_val, cpu_online_mask);
+        else
+                cpu = cpumask_first(mask_val);
        if (cpu >= NR_GIC_CPU_IF || cpu >= nr_cpu_ids)
                return -EINVAL;
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 3bb05f17b9b4..4906c27fa3bd 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -33,6 +33,7 @@ config PHY_MVEBU_SATA
 config OMAP_CONTROL_PHY
        tristate "OMAP CONTROL PHY Driver"
+        depends on ARCH_OMAP2PLUS || COMPILE_TEST
        help
          Enable this to add support for the PHY part present in the control
          module. This driver has API to power on the USB2 PHY and to write to
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index 2faf78edc864..7728518572a4 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -13,8 +13,9 @@ obj-$(CONFIG_TI_PIPE3)			+= phy-ti-pipe3.o
 obj-$(CONFIG_TWL4030_USB)               += phy-twl4030-usb.o
 obj-$(CONFIG_PHY_EXYNOS5250_SATA)       += phy-exynos5250-sata.o
 obj-$(CONFIG_PHY_SUN4I_USB)             += phy-sun4i-usb.o
-obj-$(CONFIG_PHY_SAMSUNG_USB2)          += phy-samsung-usb2.o
+obj-$(CONFIG_PHY_SAMSUNG_USB2)          += phy-exynos-usb2.o
-obj-$(CONFIG_PHY_EXYNOS4210_USB2)       += phy-exynos4210-usb2.o
+phy-exynos-usb2-y                       += phy-samsung-usb2.o
-obj-$(CONFIG_PHY_EXYNOS4X12_USB2)       += phy-exynos4x12-usb2.o
+phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4210_USB2)   += phy-exynos4210-usb2.o
-obj-$(CONFIG_PHY_EXYNOS5250_USB2)       += phy-exynos5250-usb2.o
+phy-exynos-usb2-$(CONFIG_PHY_EXYNOS4X12_USB2)   += phy-exynos4x12-usb2.o
+phy-exynos-usb2-$(CONFIG_PHY_EXYNOS5250_USB2)   += phy-exynos5250-usb2.o
 obj-$(CONFIG_PHY_XGENE)                 += phy-xgene.o
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index 623b71c54b3e..c64a2f3b2d62 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -64,6 +64,9 @@ static struct phy *phy_lookup(struct device *device, const char *port)
        class_dev_iter_init(&iter, phy_class, NULL, NULL);
        while ((dev = class_dev_iter_next(&iter))) {
                phy = to_phy(dev);
+                if (!phy->init_data)
+                        continue;
                count = phy->init_data->num_consumers;
                consumers = phy->init_data->consumers;
                while (count--) {
diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index 258fef272ea7..3736bc408adb 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -15,6 +15,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <linux/pci.h>
 #include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/pnp.h>
@@ -334,6 +335,81 @@ static void quirk_amd_mmconfig_area(struct pnp_dev *dev)
 }
 #endif
+#ifdef CONFIG_X86
+/* Device IDs of parts that have 32KB MCH space */
+static const unsigned int mch_quirk_devices[] = {
+        0x0154, /* Ivy Bridge */
+        0x0c00, /* Haswell */
+};
+static struct pci_dev *get_intel_host(void)
+{
+        int i;
+        struct pci_dev *host;
+        for (i = 0; i < ARRAY_SIZE(mch_quirk_devices); i++) {
+                host = pci_get_device(PCI_VENDOR_ID_INTEL, mch_quirk_devices[i],
+                                      NULL);
+                if (host)
+                        return host;
+        }
+        return NULL;
+}
+static void quirk_intel_mch(struct pnp_dev *dev)
+{
+        struct pci_dev *host;
+        u32 addr_lo, addr_hi;
+        struct pci_bus_region region;
+        struct resource mch;
+        struct pnp_resource *pnp_res;
+        struct resource *res;
+        host = get_intel_host();
+        if (!host)
+                return;
+        /*
+         * MCHBAR is not an architected PCI BAR, so MCH space is usually
+         * reported as a PNP0C02 resource.  The MCH space was originally
+         * 16KB, but is 32KB in newer parts.  Some BIOSes still report a
+         * PNP0C02 resource that is only 16KB, which means the rest of the
+         * MCH space is consumed but unreported.
+         */
+        /*
+         * Read MCHBAR for Host Member Mapped Register Range Base
+         * https://www-ssl.intel.com/content/www/us/en/processors/core/4th-gen-core-family-desktop-vol-2-datasheet
+         * Sec 3.1.12.
+         */
+        pci_read_config_dword(host, 0x48, &addr_lo);
+        region.start = addr_lo & ~0x7fff;
+        pci_read_config_dword(host, 0x4c, &addr_hi);
+        region.start |= (u64) addr_hi << 32;
+        region.end = region.start + 32*1024 - 1;
+        memset(&mch, 0, sizeof(mch));
+        mch.flags = IORESOURCE_MEM;
+        pcibios_bus_to_resource(host->bus, &mch, &region);
+        list_for_each_entry(pnp_res, &dev->resources, list) {
+                res = &pnp_res->res;
+                if (res->end < mch.start || res->start > mch.end)
+                        continue;       /* no overlap */
+                if (res->start == mch.start && res->end == mch.end)
+                        continue;       /* exact match */
+                dev_info(&dev->dev, FW_BUG "PNP resource %pR covers only part of %s Intel MCH; extending to %pR\n",
+                         res, pci_name(host), &mch);
+                res->start = mch.start;
+                res->end = mch.end;
+                break;
+        }
+        pci_dev_put(host);
+}
+#endif
 /*
 *  PnP Quirks
 *  Cards or devices that need some tweaking due to incomplete resource info
@@ -364,6 +440,9 @@ static struct pnp_fixup pnp_fixups[] = {
 #ifdef CONFIG_AMD_NB
        {"PNP0c01", quirk_amd_mmconfig_area},
 #endif
+#ifdef CONFIG_X86
+        {"PNP0c02", quirk_intel_mch},
+#endif
        {""}
 };
diff --git a/drivers/power/reset/vexpress-poweroff.c b/drivers/power/reset/vexpress-poweroff.c
index 476aa495c110..b95cf71ed695 100644
--- a/drivers/power/reset/vexpress-poweroff.c
+++ b/drivers/power/reset/vexpress-poweroff.c
@@ -11,7 +11,7 @@
 * Copyright (C) 2012 ARM Limited
 */
-#include <linux/jiffies.h>
+#include <linux/delay.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
@@ -23,17 +23,12 @@
 static void vexpress_reset_do(struct device *dev, const char *what)
 {
        int err = -ENOENT;
-        struct vexpress_config_func *func =
+        struct vexpress_config_func *func = dev_get_drvdata(dev);
-                        vexpress_config_func_get_by_dev(dev);
        if (func) {
-                unsigned long timeout;
                err = vexpress_config_write(func, 0, 0);
+                if (!err)
-                timeout = jiffies + HZ;
+                        mdelay(1000);
-                while (time_before(jiffies, timeout))
-                        cpu_relax();
        }
        dev_emerg(dev, "Unable to %s (%d)\n", what, err);
@@ -96,12 +91,18 @@ static int vexpress_reset_probe(struct platform_device *pdev)
        enum vexpress_reset_func func;
        const struct of_device_id *match =
                        of_match_device(vexpress_reset_of_match, &pdev->dev);
+        struct vexpress_config_func *config_func;
        if (match)
                func = (enum vexpress_reset_func)match->data;
        else
                func = pdev->id_entry->driver_data;
+        config_func = vexpress_config_func_get_by_dev(&pdev->dev);
+        if (!config_func)
+                return -EINVAL;
+        dev_set_drvdata(&pdev->dev, config_func);
        switch (func) {
        case FUNC_SHUTDOWN:
                vexpress_power_off_device = &pdev->dev;
diff --git a/drivers/regulator/pbias-regulator.c b/drivers/regulator/pbias-regulator.c
index ded3b3574209..6d38be3d970c 100644
--- a/drivers/regulator/pbias-regulator.c
+++ b/drivers/regulator/pbias-regulator.c
@@ -38,66 +38,24 @@ struct pbias_reg_info {
 struct pbias_regulator_data {
        struct regulator_desc desc;
        void __iomem *pbias_addr;
-        unsigned int pbias_reg;
        struct regulator_dev *dev;
        struct regmap *syscon;
        const struct pbias_reg_info *info;
        int voltage;
 };
-static int pbias_regulator_set_voltage(struct regulator_dev *dev,
+static const unsigned int pbias_volt_table[] = {
-                        int min_uV, int max_uV, unsigned *selector)
+        1800000,
-{
+        3000000
-        struct pbias_regulator_data *data = rdev_get_drvdata(dev);
+};
-        const struct pbias_reg_info *info = data->info;
-        int ret, vmode;
-        if (min_uV <= 1800000)
-                vmode = 0;
-        else if (min_uV > 1800000)
-                vmode = info->vmode;
-        ret = regmap_update_bits(data->syscon, data->pbias_reg,
-                                                info->vmode, vmode);
-        return ret;
-}
-static int pbias_regulator_get_voltage(struct regulator_dev *rdev)
-{
-        struct pbias_regulator_data *data = rdev_get_drvdata(rdev);
-        const struct pbias_reg_info *info = data->info;
-        int value, voltage;
-        regmap_read(data->syscon, data->pbias_reg, &value);
-        value &= info->vmode;
-        voltage = value ? 3000000 : 1800000;
-        return voltage;
-}
 static int pbias_regulator_enable(struct regulator_dev *rdev)
 {
        struct pbias_regulator_data *data = rdev_get_drvdata(rdev);
        const struct pbias_reg_info *info = data->info;
-        int ret;
-        ret = regmap_update_bits(data->syscon, data->pbias_reg,
-                                        info->enable_mask, info->enable);
-        return ret;
-}
-static int pbias_regulator_disable(struct regulator_dev *rdev)
-{
-        struct pbias_regulator_data *data = rdev_get_drvdata(rdev);
-        const struct pbias_reg_info *info = data->info;
-        int ret;
-        ret = regmap_update_bits(data->syscon, data->pbias_reg,
+        return regmap_update_bits(data->syscon, rdev->desc->enable_reg,
-                                                info->enable_mask, 0);
+                                  info->enable_mask, info->enable);
-        return ret;
 }
 static int pbias_regulator_is_enable(struct regulator_dev *rdev)
@@ -106,17 +64,18 @@ static int pbias_regulator_is_enable(struct regulator_dev *rdev)
        const struct pbias_reg_info *info = data->info;
        int value;
-        regmap_read(data->syscon, data->pbias_reg, &value);
+        regmap_read(data->syscon, rdev->desc->enable_reg, &value);
-        return (value & info->enable_mask) == info->enable_mask;
+        return (value & info->enable_mask) == info->enable;
 }
 static struct regulator_ops pbias_regulator_voltage_ops = {
-        .set_voltage    = pbias_regulator_set_voltage,
+        .list_voltage = regulator_list_voltage_table,
-        .get_voltage    = pbias_regulator_get_voltage,
+        .get_voltage_sel = regulator_get_voltage_sel_regmap,
-        .enable         = pbias_regulator_enable,
+        .set_voltage_sel = regulator_set_voltage_sel_regmap,
-        .disable        = pbias_regulator_disable,
+        .enable = pbias_regulator_enable,
-        .is_enabled     = pbias_regulator_is_enable,
+        .disable = regulator_disable_regmap,
+        .is_enabled = pbias_regulator_is_enable,
 };
 static const struct pbias_reg_info pbias_mmc_omap2430 = {
@@ -192,6 +151,7 @@ static int pbias_regulator_probe(struct platform_device *pdev)
        if (IS_ERR(syscon))
                return PTR_ERR(syscon);
+        cfg.regmap = syscon;
        cfg.dev = &pdev->dev;
        for (idx = 0; idx < PBIAS_NUM_REGS && data_idx < count; idx++) {
@@ -207,15 +167,19 @@ static int pbias_regulator_probe(struct platform_device *pdev)
                if (!res)
                        return -EINVAL;
-                drvdata[data_idx].pbias_reg = res->start;
                drvdata[data_idx].syscon = syscon;
                drvdata[data_idx].info = info;
                drvdata[data_idx].desc.name = info->name;
                drvdata[data_idx].desc.owner = THIS_MODULE;
                drvdata[data_idx].desc.type = REGULATOR_VOLTAGE;
                drvdata[data_idx].desc.ops = &pbias_regulator_voltage_ops;
+                drvdata[data_idx].desc.volt_table = pbias_volt_table;
                drvdata[data_idx].desc.n_voltages = 2;
                drvdata[data_idx].desc.enable_time = info->enable_time;
+                drvdata[data_idx].desc.vsel_reg = res->start;
+                drvdata[data_idx].desc.vsel_mask = info->vmode;
+                drvdata[data_idx].desc.enable_reg = res->start;
+                drvdata[data_idx].desc.enable_mask = info->enable_mask;
                cfg.init_data = pbias_matches[idx].init_data;
                cfg.driver_data = &drvdata[data_idx];
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 8cf4a0c69baf..9a6e4a2cd072 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -7463,6 +7463,10 @@ static void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h)
        if (hpsa_simple_mode)
                return;
+        trans_support = readl(&(h->cfgtable->TransportSupport));
+        if (!(trans_support & PERFORMANT_MODE))
+                return;
        /* Check for I/O accelerator mode support */
        if (trans_support & CFGTBL_Trans_io_accel1) {
                transMethod |= CFGTBL_Trans_io_accel1 |
@@ -7479,10 +7483,6 @@ static void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h)
        }
        /* TODO, check that this next line h->nreply_queues is correct */
-        trans_support = readl(&(h->cfgtable->TransportSupport));
-        if (!(trans_support & PERFORMANT_MODE))
-                return;
        h->nreply_queues = h->msix_vector > 0 ? h->msix_vector : 1;
        hpsa_get_max_perf_mode_cmds(h);
        /* Performant mode ring buffer and supporting data structures */
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 771c16bfdbac..f17aa7aa7879 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -189,6 +189,7 @@ scsi_abort_command(struct scsi_cmnd *scmd)
                /*
                 * Retry after abort failed, escalate to next level.
                 */
+                scmd->eh_eflags &= ~SCSI_EH_ABORT_SCHEDULED;
                SCSI_LOG_ERROR_RECOVERY(3,
                        scmd_printk(KERN_INFO, scmd,
                                    "scmd %p previous abort failed\n", scmd));
@@ -920,10 +921,12 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses,
        ses->prot_op = scmd->prot_op;
        scmd->prot_op = SCSI_PROT_NORMAL;
+        scmd->eh_eflags = 0;
        scmd->cmnd = ses->eh_cmnd;
        memset(scmd->cmnd, 0, BLK_MAX_CDB);
        memset(&scmd->sdb, 0, sizeof(scmd->sdb));
        scmd->request->next_rq = NULL;
+        scmd->result = 0;
        if (sense_bytes) {
                scmd->sdb.length = min_t(unsigned, SCSI_SENSE_BUFFERSIZE,
@@ -1157,6 +1160,15 @@ int scsi_eh_get_sense(struct list_head *work_q,
                                             __func__));
                        break;
                }
+                if (status_byte(scmd->result) != CHECK_CONDITION)
+                        /*
+                         * don't request sense if there's no check condition
+                         * status because the error we're processing isn't one
+                         * that has a sense code (and some devices get
+                         * confused by sense requests out of the blue)
+                         */
+                        continue;
                SCSI_LOG_ERROR_RECOVERY(2, scmd_printk(KERN_INFO, scmd,
                                                  "%s: requesting sense\n",
                                                  current->comm));
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 65a123d9c676..9db097a28a74 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -137,6 +137,7 @@ static void __scsi_queue_insert(struct scsi_cmnd *cmd, int reason, int unbusy)
         * lock such that the kblockd_schedule_work() call happens
         * before blk_cleanup_queue() finishes.
         */
+        cmd->result = 0;
        spin_lock_irqsave(q->queue_lock, flags);
        blk_requeue_request(q, cmd->request);
        kblockd_schedule_work(q, &device->requeue_work);
@@ -1044,6 +1045,7 @@ static int scsi_init_sgtable(struct request *req, struct scsi_data_buffer *sdb,
 */
 int scsi_init_io(struct scsi_cmnd *cmd, gfp_t gfp_mask)
 {
+        struct scsi_device *sdev = cmd->device;
        struct request *rq = cmd->request;
        int error = scsi_init_sgtable(rq, &cmd->sdb, gfp_mask);
@@ -1091,7 +1093,7 @@ err_exit:
        scsi_release_buffers(cmd);
        cmd->request->special = NULL;
        scsi_put_command(cmd);
-        put_device(&cmd->device->sdev_gendev);
+        put_device(&sdev->sdev_gendev);
        return error;
 }
 EXPORT_SYMBOL(scsi_init_io);
@@ -1273,7 +1275,7 @@ int scsi_prep_return(struct request_queue *q, struct request *req, int ret)
                        struct scsi_cmnd *cmd = req->special;
                        scsi_release_buffers(cmd);
                        scsi_put_command(cmd);
-                        put_device(&cmd->device->sdev_gendev);
+                        put_device(&sdev->sdev_gendev);
                        req->special = NULL;
                }
                break;
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 8005f9869481..079e6b1b0cdb 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1115,8 +1115,11 @@ static int atmel_spi_one_transfer(struct spi_master *master,
                        atmel_spi_next_xfer_pio(master, xfer);
                }
+                /* interrupts are disabled, so free the lock for schedule */
+                atmel_spi_unlock(as);
                ret = wait_for_completion_timeout(&as->xfer_completion,
                                                        SPI_DMA_TIMEOUT);
+                atmel_spi_lock(as);
                if (WARN_ON(ret == 0)) {
                        dev_err(&spi->dev,
                                "spi trasfer timeout, err %d\n", ret);
diff --git a/drivers/spi/spi-bfin5xx.c b/drivers/spi/spi-bfin5xx.c
index 55e57c3eb9bd..ebf720b88a2a 100644
--- a/drivers/spi/spi-bfin5xx.c
+++ b/drivers/spi/spi-bfin5xx.c
@@ -12,6 +12,7 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/device.h>
+#include <linux/gpio.h>
 #include <linux/slab.h>
 #include <linux/io.h>
 #include <linux/ioport.h>
diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c
index 9009456bdf4d..c8e795ef2e13 100644
--- a/drivers/spi/spi-sh-hspi.c
+++ b/drivers/spi/spi-sh-hspi.c
@@ -244,9 +244,9 @@ static int hspi_probe(struct platform_device *pdev)
                return -ENOMEM;
        }
-        clk = clk_get(NULL, "shyway_clk");
+        clk = clk_get(&pdev->dev, NULL);
        if (IS_ERR(clk)) {
-                dev_err(&pdev->dev, "shyway_clk is required\n");
+                dev_err(&pdev->dev, "couldn't get clock\n");
                ret = -EINVAL;
                goto error0;
        }
diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
index 1a77ad52812f..67d8909dcf39 100644
--- a/drivers/spi/spi-sirf.c
+++ b/drivers/spi/spi-sirf.c
@@ -287,8 +287,8 @@ static irqreturn_t spi_sirfsoc_irq(int irq, void *dev_id)
                                sspi->left_rx_word)
                        sspi->rx_word(sspi);
-        if (spi_stat & (SIRFSOC_SPI_FIFO_EMPTY
+        if (spi_stat & (SIRFSOC_SPI_TXFIFO_EMPTY |
-                        | SIRFSOC_SPI_TXFIFO_THD_REACH))
+                        SIRFSOC_SPI_TXFIFO_THD_REACH))
                while (!((readl(sspi->base + SIRFSOC_SPI_TXFIFO_STATUS)
                                & SIRFSOC_SPI_FIFO_FULL)) &&
                                sspi->left_tx_word)
@@ -470,7 +470,16 @@ static void spi_sirfsoc_chipselect(struct spi_device *spi, int value)
                writel(regval, sspi->base + SIRFSOC_SPI_CTRL);
        } else {
                int gpio = sspi->chipselect[spi->chip_select];
-                gpio_direction_output(gpio, spi->mode & SPI_CS_HIGH ? 0 : 1);
+                switch (value) {
+                case BITBANG_CS_ACTIVE:
+                        gpio_direction_output(gpio,
+                                        spi->mode & SPI_CS_HIGH ? 1 : 0);
+                        break;
+                case BITBANG_CS_INACTIVE:
+                        gpio_direction_output(gpio,
+                                        spi->mode & SPI_CS_HIGH ? 0 : 1);
+                        break;
+                }
        }
 }
@@ -559,6 +568,11 @@ spi_sirfsoc_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
                regval &= ~SIRFSOC_SPI_CMD_MODE;
                sspi->tx_by_cmd = false;
        }
+        /*
+         * set spi controller in RISC chipselect mode, we are controlling CS by
+         * software BITBANG_CS_ACTIVE and BITBANG_CS_INACTIVE.
+         */
+        regval |= SIRFSOC_SPI_CS_IO_MODE;
        writel(regval, sspi->base + SIRFSOC_SPI_CTRL);
        if (IS_DMA_VALID(t)) {
diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index 71db683098d6..b59af0303581 100644
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -493,7 +493,7 @@ static void usbduxsub_ao_isoc_irq(struct urb *urb)
                        /* pointer to the DA */
                        *datap++ = val & 0xff;
                        *datap++ = (val >> 8) & 0xff;
-                        *datap++ = chan;
+                        *datap++ = chan << 6;
                        devpriv->ao_readback[chan] = val;
                        s->async->events |= COMEDI_CB_BLOCK;
@@ -1040,11 +1040,8 @@ static int usbdux_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
        /* set current channel of the running acquisition to zero */
        s->async->cur_chan = 0;
-        for (i = 0; i < cmd->chanlist_len; ++i) {
+        for (i = 0; i < cmd->chanlist_len; ++i)
-                unsigned int chan = CR_CHAN(cmd->chanlist[i]);
+                devpriv->ao_chanlist[i] = CR_CHAN(cmd->chanlist[i]);
-                devpriv->ao_chanlist[i] = chan << 6;
-        }
        /* we count in steps of 1ms (125us) */
        /* 125us mode not used yet */
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index 11fb95201545..dae8d1a9038e 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -1526,7 +1526,7 @@ static int mxs_lradc_probe(struct platform_device *pdev)
        struct resource *iores;
        int ret = 0, touch_ret;
        int i, s;
-        unsigned int scale_uv;
+        uint64_t scale_uv;
        /* Allocate the IIO device. */
        iio = devm_iio_device_alloc(dev, sizeof(*lradc));
diff --git a/drivers/staging/iio/resolver/ad2s1200.c b/drivers/staging/iio/resolver/ad2s1200.c
index 36eedd8a0ea9..e2b482045158 100644
--- a/drivers/staging/iio/resolver/ad2s1200.c
+++ b/drivers/staging/iio/resolver/ad2s1200.c
@@ -70,6 +70,7 @@ static int ad2s1200_read_raw(struct iio_dev *indio_dev,
                vel = (((s16)(st->rx[0])) << 4) | ((st->rx[1] & 0xF0) >> 4);
                vel = (vel << 4) >> 4;
                *val = vel;
+                break;
        default:
                mutex_unlock(&st->lock);
                return -EINVAL;
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 81f909c2101f..0e1bf8858431 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1520,7 +1520,7 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir)
                        status = serial8250_rx_chars(up, status);
        }
        serial8250_modem_status(up);
-        if (status & UART_LSR_THRE)
+        if (!up->dma && (status & UART_LSR_THRE))
                serial8250_tx_chars(up);
        spin_unlock_irqrestore(&port->lock, flags);
diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c
index 7046769608d4..ab9096dc3849 100644
--- a/drivers/tty/serial/8250/8250_dma.c
+++ b/drivers/tty/serial/8250/8250_dma.c
@@ -20,12 +20,15 @@ static void __dma_tx_complete(void *param)
        struct uart_8250_port   *p = param;
        struct uart_8250_dma    *dma = p->dma;
        struct circ_buf         *xmit = &p->port.state->xmit;
+        unsigned long   flags;
-        dma->tx_running = 0;
        dma_sync_single_for_cpu(dma->txchan->device->dev, dma->tx_addr,
                                UART_XMIT_SIZE, DMA_TO_DEVICE);
+        spin_lock_irqsave(&p->port.lock, flags);
+        dma->tx_running = 0;
        xmit->tail += dma->tx_size;
        xmit->tail &= UART_XMIT_SIZE - 1;
        p->port.icount.tx += dma->tx_size;
@@ -35,6 +38,8 @@ static void __dma_tx_complete(void *param)
        if (!uart_circ_empty(xmit) && !uart_tx_stopped(&p->port))
                serial8250_tx_dma(p);
+        spin_unlock_irqrestore(&p->port.lock, flags);
 }
 static void __dma_rx_complete(void *param)
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 23f459600738..1f5505e7f90d 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1446,8 +1446,8 @@ static int s3c24xx_serial_get_poll_char(struct uart_port *port)
 static void s3c24xx_serial_put_poll_char(struct uart_port *port,
                unsigned char c)
 {
-        unsigned int ufcon = rd_regl(cons_uart, S3C2410_UFCON);
+        unsigned int ufcon = rd_regl(port, S3C2410_UFCON);
-        unsigned int ucon = rd_regl(cons_uart, S3C2410_UCON);
+        unsigned int ucon = rd_regl(port, S3C2410_UCON);
        /* not possible to xmit on unconfigured port */
        if (!s3c24xx_port_configured(ucon))
@@ -1455,7 +1455,7 @@ static void s3c24xx_serial_put_poll_char(struct uart_port *port,
        while (!s3c24xx_serial_console_txrdy(port, ufcon))
                cpu_relax();
-        wr_regb(cons_uart, S3C2410_UTXH, c);
+        wr_regb(port, S3C2410_UTXH, c);
 }
 #endif /* CONFIG_CONSOLE_POLL */
@@ -1463,22 +1463,23 @@ static void s3c24xx_serial_put_poll_char(struct uart_port *port,
 static void
 s3c24xx_serial_console_putchar(struct uart_port *port, int ch)
 {
-        unsigned int ufcon = rd_regl(cons_uart, S3C2410_UFCON);
+        unsigned int ufcon = rd_regl(port, S3C2410_UFCON);
-        unsigned int ucon = rd_regl(cons_uart, S3C2410_UCON);
-        /* not possible to xmit on unconfigured port */
-        if (!s3c24xx_port_configured(ucon))
-                return;
        while (!s3c24xx_serial_console_txrdy(port, ufcon))
-                barrier();
+                cpu_relax();
-        wr_regb(cons_uart, S3C2410_UTXH, ch);
+        wr_regb(port, S3C2410_UTXH, ch);
 }
 static void
 s3c24xx_serial_console_write(struct console *co, const char *s,
                             unsigned int count)
 {
+        unsigned int ucon = rd_regl(cons_uart, S3C2410_UCON);
+        /* not possible to xmit on unconfigured port */
+        if (!s3c24xx_port_configured(ucon))
+                return;
        uart_console_write(cons_uart, s, count, s3c24xx_serial_console_putchar);
 }
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index f26834d262b3..b68550d95a40 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -137,6 +137,11 @@ static int uart_port_startup(struct tty_struct *tty, struct uart_state *state,
                return 1;
        /*
+         * Make sure the device is in D0 state.
+         */
+        uart_change_pm(state, UART_PM_STATE_ON);
+        /*
         * Initialise and allocate the transmit and temporary
         * buffer.
         */
@@ -825,25 +830,29 @@ static int uart_set_info(struct tty_struct *tty, struct tty_port *port,
                 * If we fail to request resources for the
                 * new port, try to restore the old settings.
                 */
-                if (retval && old_type != PORT_UNKNOWN) {
+                if (retval) {
                        uport->iobase = old_iobase;
                        uport->type = old_type;
                        uport->hub6 = old_hub6;
                        uport->iotype = old_iotype;
                        uport->regshift = old_shift;
                        uport->mapbase = old_mapbase;
-                        retval = uport->ops->request_port(uport);
-                        /*
-                         * If we failed to restore the old settings,
-                         * we fail like this.
-                         */
-                        if (retval)
-                                uport->type = PORT_UNKNOWN;
-                        /*
+                        if (old_type != PORT_UNKNOWN) {
-                         * We failed anyway.
+                                retval = uport->ops->request_port(uport);
-                         */
+                                /*
-                        retval = -EBUSY;
+                                 * If we failed to restore the old settings,
+                                 * we fail like this.
+                                 */
+                                if (retval)
+                                        uport->type = PORT_UNKNOWN;
+                                /*
+                                 * We failed anyway.
+                                 */
+                                retval = -EBUSY;
+                        }
                        /* Added to return the correct error -Ram Gupta */
                        goto exit;
                }
@@ -1571,12 +1580,6 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
        }
        /*
-         * Make sure the device is in D0 state.
-         */
-        if (port->count == 1)
-                uart_change_pm(state, UART_PM_STATE_ON);
-        /*
         * Start up the serial port.
         */
        retval = uart_startup(tty, state, 0);
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 8ebd9f88a6f6..f1d30f6945af 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -255,11 +255,16 @@ static int __tty_buffer_request_room(struct tty_port *port, size_t size,
        if (change || left < size) {
                /* This is the slow path - looking for new buffers to use */
                if ((n = tty_buffer_alloc(port, size)) != NULL) {
+                        unsigned long iflags;
                        n->flags = flags;
                        buf->tail = n;
+                        spin_lock_irqsave(&buf->flush_lock, iflags);
                        b->commit = b->used;
-                        smp_mb();
                        b->next = n;
+                        spin_unlock_irqrestore(&buf->flush_lock, iflags);
                } else if (change)
                        size = 0;
                else
@@ -443,6 +448,7 @@ static void flush_to_ldisc(struct work_struct *work)
        mutex_lock(&buf->lock);
        while (1) {
+                unsigned long flags;
                struct tty_buffer *head = buf->head;
                int count;
@@ -450,14 +456,19 @@ static void flush_to_ldisc(struct work_struct *work)
                if (atomic_read(&buf->priority))
                        break;
+                spin_lock_irqsave(&buf->flush_lock, flags);
                count = head->commit - head->read;
                if (!count) {
-                        if (head->next == NULL)
+                        if (head->next == NULL) {
+                                spin_unlock_irqrestore(&buf->flush_lock, flags);
                                break;
+                        }
                        buf->head = head->next;
+                        spin_unlock_irqrestore(&buf->flush_lock, flags);
                        tty_buffer_free(port, head);
                        continue;
                }
+                spin_unlock_irqrestore(&buf->flush_lock, flags);
                count = receive_buf(tty, head, count);
                if (!count)
@@ -512,6 +523,7 @@ void tty_buffer_init(struct tty_port *port)
        struct tty_bufhead *buf = &port->buf;
        mutex_init(&buf->lock);
+        spin_lock_init(&buf->flush_lock);
        tty_buffer_reset(&buf->sentinel, 0);
        buf->head = &buf->sentinel;
        buf->tail = &buf->sentinel;
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index ca6831c5b763..1cd5d0ba587c 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -277,6 +277,39 @@ static void hw_phymode_configure(struct ci_hdrc *ci)
 }
 /**
+ * ci_usb_phy_init: initialize phy according to different phy type
+ * @ci: the controller
+  *
+ * This function returns an error code if usb_phy_init has failed
+ */
+static int ci_usb_phy_init(struct ci_hdrc *ci)
+{
+        int ret;
+        switch (ci->platdata->phy_mode) {
+        case USBPHY_INTERFACE_MODE_UTMI:
+        case USBPHY_INTERFACE_MODE_UTMIW:
+        case USBPHY_INTERFACE_MODE_HSIC:
+                ret = usb_phy_init(ci->transceiver);
+                if (ret)
+                        return ret;
+                hw_phymode_configure(ci);
+                break;
+        case USBPHY_INTERFACE_MODE_ULPI:
+        case USBPHY_INTERFACE_MODE_SERIAL:
+                hw_phymode_configure(ci);
+                ret = usb_phy_init(ci->transceiver);
+                if (ret)
+                        return ret;
+                break;
+        default:
+                ret = usb_phy_init(ci->transceiver);
+        }
+        return ret;
+}
+/**
 * hw_device_reset: resets chip (execute without interruption)
 * @ci: the controller
  *
@@ -543,8 +576,6 @@ static int ci_hdrc_probe(struct platform_device *pdev)
                return -ENODEV;
        }
-        hw_phymode_configure(ci);
        if (ci->platdata->phy)
                ci->transceiver = ci->platdata->phy;
        else
@@ -564,7 +595,7 @@ static int ci_hdrc_probe(struct platform_device *pdev)
                return -EPROBE_DEFER;
        }
-        ret = usb_phy_init(ci->transceiver);
+        ret = ci_usb_phy_init(ci);
        if (ret) {
                dev_err(dev, "unable to init phy: %d\n", ret);
                return ret;
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index d001417e8e37..10aaaae9af25 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -821,6 +821,7 @@ static void dwc3_complete(struct device *dev)
        spin_lock_irqsave(&dwc->lock, flags);
+        dwc3_event_buffers_setup(dwc);
        switch (dwc->dr_mode) {
        case USB_DR_MODE_PERIPHERAL:
        case USB_DR_MODE_OTG:
@@ -828,7 +829,6 @@ static void dwc3_complete(struct device *dev)
                /* FALLTHROUGH */
        case USB_DR_MODE_HOST:
        default:
-                dwc3_event_buffers_setup(dwc);
                break;
        }
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index a740eac74d56..70715eeededd 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -187,15 +187,12 @@ int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc)
         * improve this algorithm so that we better use the internal
         * FIFO space
         */
-        for (num = 0; num < DWC3_ENDPOINTS_NUM; num++) {
+        for (num = 0; num < dwc->num_in_eps; num++) {
-                struct dwc3_ep  *dep = dwc->eps[num];
+                /* bit0 indicates direction; 1 means IN ep */
-                int             fifo_number = dep->number >> 1;
+                struct dwc3_ep  *dep = dwc->eps[(num << 1) | 1];
                int             mult = 1;
                int             tmp;
-                if (!(dep->number & 1))
-                        continue;
                if (!(dep->flags & DWC3_EP_ENABLED))
                        continue;
@@ -224,8 +221,7 @@ int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc)
                dev_vdbg(dwc->dev, "%s: Fifo Addr %04x Size %d\n",
                                dep->name, last_fifo_depth, fifo_size & 0xffff);
-                dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(fifo_number),
+                dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(num), fifo_size);
-                                fifo_size);
                last_fifo_depth += (fifo_size & 0xffff);
        }
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 2e164dca08e8..1e12b3ee56fd 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -745,6 +745,12 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
                 */
                struct usb_gadget *gadget = epfile->ffs->gadget;
+                spin_lock_irq(&epfile->ffs->eps_lock);
+                /* In the meantime, endpoint got disabled or changed. */
+                if (epfile->ep != ep) {
+                        spin_unlock_irq(&epfile->ffs->eps_lock);
+                        return -ESHUTDOWN;
+                }
                /*
                 * Controller may require buffer size to be aligned to
                 * maxpacketsize of an out endpoint.
@@ -752,6 +758,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
                data_len = io_data->read ?
                           usb_ep_align_maybe(gadget, ep->ep, io_data->len) :
                           io_data->len;
+                spin_unlock_irq(&epfile->ffs->eps_lock);
                data = kmalloc(data_len, GFP_KERNEL);
                if (unlikely(!data))
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index c11761ce5113..9a4f49dc6ac4 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -377,7 +377,7 @@ static struct sk_buff *rndis_add_header(struct gether *port,
        if (skb2)
                rndis_add_hdr(skb2);
-        dev_kfree_skb_any(skb);
+        dev_kfree_skb(skb);
        return skb2;
 }
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index 15960af0f67e..a2f26cdb56fe 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -1219,6 +1219,10 @@ static int fsl_pullup(struct usb_gadget *gadget, int is_on)
        struct fsl_udc *udc;
        udc = container_of(gadget, struct fsl_udc, gadget);
+        if (!udc->vbus_active)
+                return -EOPNOTSUPP;
        udc->softconnect = (is_on != 0);
        if (can_pullup(udc))
                fsl_writel((fsl_readl(&dr_regs->usbcmd) | USB_CMD_RUN_STOP),
@@ -2532,8 +2536,8 @@ static int __exit fsl_udc_remove(struct platform_device *pdev)
        if (!udc_controller)
                return -ENODEV;
-        usb_del_gadget_udc(&udc_controller->gadget);
        udc_controller->done = &done;
+        usb_del_gadget_udc(&udc_controller->gadget);
        fsl_udc_clk_release();
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index b5be6f0308c2..a925d0cbcd41 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -2043,6 +2043,7 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent)
                return -ESRCH;
        /* fake probe to determine $CHIP */
+        CHIP = NULL;
        usb_gadget_probe_driver(&probe_driver);
        if (!CHIP)
                return -ENODEV;
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index d822d822efb3..7ed452d90f4d 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -35,6 +35,7 @@
 #include <asm/byteorder.h>
 #include <asm/unaligned.h>
+#include "u_rndis.h"
 #undef  VERBOSE_DEBUG
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 50d09c289137..b7d4f82872b7 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -48,8 +48,6 @@
 #define UETH__VERSION   "29-May-2008"
-#define GETHER_NAPI_WEIGHT      32
 struct eth_dev {
        /* lock is held while accessing port_usb
         */
@@ -74,7 +72,6 @@ struct eth_dev {
                                                struct sk_buff_head *list);
        struct work_struct      work;
-        struct napi_struct      rx_napi;
        unsigned long           todo;
 #define WORK_RX_MEMORY          0
@@ -256,16 +253,18 @@ enomem:
                DBG(dev, "rx submit --> %d\n", retval);
                if (skb)
                        dev_kfree_skb_any(skb);
+                spin_lock_irqsave(&dev->req_lock, flags);
+                list_add(&req->list, &dev->rx_reqs);
+                spin_unlock_irqrestore(&dev->req_lock, flags);
        }
        return retval;
 }
 static void rx_complete(struct usb_ep *ep, struct usb_request *req)
 {
-        struct sk_buff  *skb = req->context;
+        struct sk_buff  *skb = req->context, *skb2;
        struct eth_dev  *dev = ep->driver_data;
        int             status = req->status;
-        bool            rx_queue = 0;
        switch (status) {
@@ -289,8 +288,30 @@ static void rx_complete(struct usb_ep *ep, struct usb_request *req)
                } else {
                        skb_queue_tail(&dev->rx_frames, skb);
                }
-                if (!status)
+                skb = NULL;
-                        rx_queue = 1;
+                skb2 = skb_dequeue(&dev->rx_frames);
+                while (skb2) {
+                        if (status < 0
+                                        || ETH_HLEN > skb2->len
+                                        || skb2->len > VLAN_ETH_FRAME_LEN) {
+                                dev->net->stats.rx_errors++;
+                                dev->net->stats.rx_length_errors++;
+                                DBG(dev, "rx length %d\n", skb2->len);
+                                dev_kfree_skb_any(skb2);
+                                goto next_frame;
+                        }
+                        skb2->protocol = eth_type_trans(skb2, dev->net);
+                        dev->net->stats.rx_packets++;
+                        dev->net->stats.rx_bytes += skb2->len;
+                        /* no buffer copies needed, unless hardware can't
+                         * use skb buffers.
+                         */
+                        status = netif_rx(skb2);
+next_frame:
+                        skb2 = skb_dequeue(&dev->rx_frames);
+                }
                break;
        /* software-driven interface shutdown */
@@ -313,20 +334,22 @@ quiesce:
                /* FALLTHROUGH */
        default:
-                rx_queue = 1;
-                dev_kfree_skb_any(skb);
                dev->net->stats.rx_errors++;
                DBG(dev, "rx status %d\n", status);
                break;
        }
+        if (skb)
+                dev_kfree_skb_any(skb);
+        if (!netif_running(dev->net)) {
 clean:
                spin_lock(&dev->req_lock);
                list_add(&req->list, &dev->rx_reqs);
                spin_unlock(&dev->req_lock);
+                req = NULL;
-        if (rx_queue && likely(napi_schedule_prep(&dev->rx_napi)))
+        }
-                __napi_schedule(&dev->rx_napi);
+        if (req)
+                rx_submit(dev, req, GFP_ATOMIC);
 }
 static int prealloc(struct list_head *list, struct usb_ep *ep, unsigned n)
@@ -391,24 +414,16 @@ static void rx_fill(struct eth_dev *dev, gfp_t gfp_flags)
 {
        struct usb_request      *req;
        unsigned long           flags;
-        int                     rx_counts = 0;
        /* fill unused rxq slots with some skb */
        spin_lock_irqsave(&dev->req_lock, flags);
        while (!list_empty(&dev->rx_reqs)) {
-                if (++rx_counts > qlen(dev->gadget, dev->qmult))
-                        break;
                req = container_of(dev->rx_reqs.next,
                                struct usb_request, list);
                list_del_init(&req->list);
                spin_unlock_irqrestore(&dev->req_lock, flags);
                if (rx_submit(dev, req, gfp_flags) < 0) {
-                        spin_lock_irqsave(&dev->req_lock, flags);
-                        list_add(&req->list, &dev->rx_reqs);
-                        spin_unlock_irqrestore(&dev->req_lock, flags);
                        defer_kevent(dev, WORK_RX_MEMORY);
                        return;
                }
@@ -418,41 +433,6 @@ static void rx_fill(struct eth_dev *dev, gfp_t gfp_flags)
        spin_unlock_irqrestore(&dev->req_lock, flags);
 }
-static int gether_poll(struct napi_struct *napi, int budget)
-{
-        struct eth_dev  *dev = container_of(napi, struct eth_dev, rx_napi);
-        struct sk_buff  *skb;
-        unsigned int    work_done = 0;
-        int             status = 0;
-        while ((skb = skb_dequeue(&dev->rx_frames))) {
-                if (status < 0
-                                || ETH_HLEN > skb->len
-                                || skb->len > VLAN_ETH_FRAME_LEN) {
-                        dev->net->stats.rx_errors++;
-                        dev->net->stats.rx_length_errors++;
-                        DBG(dev, "rx length %d\n", skb->len);
-                        dev_kfree_skb_any(skb);
-                        continue;
-                }
-                skb->protocol = eth_type_trans(skb, dev->net);
-                dev->net->stats.rx_packets++;
-                dev->net->stats.rx_bytes += skb->len;
-                status = netif_rx_ni(skb);
-        }
-        if (netif_running(dev->net)) {
-                rx_fill(dev, GFP_KERNEL);
-                work_done++;
-        }
-        if (work_done < budget)
-                napi_complete(&dev->rx_napi);
-        return work_done;
-}
 static void eth_work(struct work_struct *work)
 {
        struct eth_dev  *dev = container_of(work, struct eth_dev, work);
@@ -645,7 +625,6 @@ static void eth_start(struct eth_dev *dev, gfp_t gfp_flags)
        /* and open the tx floodgates */
        atomic_set(&dev->tx_qlen, 0);
        netif_wake_queue(dev->net);
-        napi_enable(&dev->rx_napi);
 }
 static int eth_open(struct net_device *net)
@@ -672,7 +651,6 @@ static int eth_stop(struct net_device *net)
        unsigned long   flags;
        VDBG(dev, "%s\n", __func__);
-        napi_disable(&dev->rx_napi);
        netif_stop_queue(net);
        DBG(dev, "stop stats: rx/tx %ld/%ld, errs %ld/%ld\n",
@@ -790,7 +768,6 @@ struct eth_dev *gether_setup_name(struct usb_gadget *g,
                return ERR_PTR(-ENOMEM);
        dev = netdev_priv(net);
-        netif_napi_add(net, &dev->rx_napi, gether_poll, GETHER_NAPI_WEIGHT);
        spin_lock_init(&dev->lock);
        spin_lock_init(&dev->req_lock);
        INIT_WORK(&dev->work, eth_work);
@@ -853,7 +830,6 @@ struct net_device *gether_setup_name_default(const char *netname)
                return ERR_PTR(-ENOMEM);
        dev = netdev_priv(net);
-        netif_napi_add(net, &dev->rx_napi, gether_poll, GETHER_NAPI_WEIGHT);
        spin_lock_init(&dev->lock);
        spin_lock_init(&dev->req_lock);
        INIT_WORK(&dev->work, eth_work);
@@ -1137,7 +1113,6 @@ void gether_disconnect(struct gether *link)
 {
        struct eth_dev          *dev = link->ioport;
        struct usb_request      *req;
-        struct sk_buff          *skb;
        WARN_ON(!dev);
        if (!dev)
@@ -1164,12 +1139,6 @@ void gether_disconnect(struct gether *link)
                spin_lock(&dev->req_lock);
        }
        spin_unlock(&dev->req_lock);
-        spin_lock(&dev->rx_frames.lock);
-        while ((skb = __skb_dequeue(&dev->rx_frames)))
-                dev_kfree_skb_any(skb);
-        spin_unlock(&dev->rx_frames.lock);
        link->in_ep->driver_data = NULL;
        link->in_ep->desc = NULL;
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 9f170c53e3d9..134f354ede62 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -300,7 +300,7 @@ static int __init zero_bind(struct usb_composite_dev *cdev)
        ss_opts->isoc_interval = gzero_options.isoc_interval;
        ss_opts->isoc_maxpacket = gzero_options.isoc_maxpacket;
        ss_opts->isoc_mult = gzero_options.isoc_mult;
-        ss_opts->isoc_maxburst = gzero_options.isoc_maxpacket;
+        ss_opts->isoc_maxburst = gzero_options.isoc_maxburst;
        ss_opts->bulk_buflen = gzero_options.bulk_buflen;
        func_ss = usb_get_function(func_inst_ss);
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 47390e369cd4..35d447780707 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -134,6 +134,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
                 */
                if (pdev->subsystem_vendor == PCI_VENDOR_ID_HP)
                        xhci->quirks |= XHCI_SPURIOUS_WAKEUP;
+                xhci->quirks |= XHCI_SPURIOUS_REBOOT;
        }
        if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
                        pdev->device == PCI_DEVICE_ID_ASROCK_P67) {
@@ -143,9 +145,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
                xhci->quirks |= XHCI_TRUST_TX_LENGTH;
        }
        if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
-                        pdev->device == 0x0015 &&
+                        pdev->device == 0x0015)
-                        pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG &&
-                        pdev->subsystem_device == 0xc0cd)
                xhci->quirks |= XHCI_RESET_ON_RESUME;
        if (pdev->vendor == PCI_VENDOR_ID_VIA)
                xhci->quirks |= XHCI_RESET_ON_RESUME;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 5f926bea5ab1..7a0e3c720c00 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -550,6 +550,7 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
        struct xhci_ring *ep_ring;
        struct xhci_generic_trb *trb;
        dma_addr_t addr;
+        u64 hw_dequeue;
        ep_ring = xhci_triad_to_transfer_ring(xhci, slot_id,
                        ep_index, stream_id);
@@ -559,16 +560,6 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
                                stream_id);
                return;
        }
-        state->new_cycle_state = 0;
-        xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
-                        "Finding segment containing stopped TRB.");
-        state->new_deq_seg = find_trb_seg(cur_td->start_seg,
-                        dev->eps[ep_index].stopped_trb,
-                        &state->new_cycle_state);
-        if (!state->new_deq_seg) {
-                WARN_ON(1);
-                return;
-        }
        /* Dig out the cycle state saved by the xHC during the stop ep cmd */
        xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
@@ -577,46 +568,57 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
        if (ep->ep_state & EP_HAS_STREAMS) {
                struct xhci_stream_ctx *ctx =
                        &ep->stream_info->stream_ctx_array[stream_id];
-                state->new_cycle_state = 0x1 & le64_to_cpu(ctx->stream_ring);
+                hw_dequeue = le64_to_cpu(ctx->stream_ring);
        } else {
                struct xhci_ep_ctx *ep_ctx
                        = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
-                state->new_cycle_state = 0x1 & le64_to_cpu(ep_ctx->deq);
+                hw_dequeue = le64_to_cpu(ep_ctx->deq);
        }
+        /* Find virtual address and segment of hardware dequeue pointer */
+        state->new_deq_seg = ep_ring->deq_seg;
+        state->new_deq_ptr = ep_ring->dequeue;
+        while (xhci_trb_virt_to_dma(state->new_deq_seg, state->new_deq_ptr)
+                        != (dma_addr_t)(hw_dequeue & ~0xf)) {
+                next_trb(xhci, ep_ring, &state->new_deq_seg,
+                                        &state->new_deq_ptr);
+                if (state->new_deq_ptr == ep_ring->dequeue) {
+                        WARN_ON(1);
+                        return;
+                }
+        }
+        /*
+         * Find cycle state for last_trb, starting at old cycle state of
+         * hw_dequeue. If there is only one segment ring, find_trb_seg() will
+         * return immediately and cannot toggle the cycle state if this search
+         * wraps around, so add one more toggle manually in that case.
+         */
+        state->new_cycle_state = hw_dequeue & 0x1;
+        if (ep_ring->first_seg == ep_ring->first_seg->next &&
+                        cur_td->last_trb < state->new_deq_ptr)
+                state->new_cycle_state ^= 0x1;
        state->new_deq_ptr = cur_td->last_trb;
        xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
                        "Finding segment containing last TRB in TD.");
        state->new_deq_seg = find_trb_seg(state->new_deq_seg,
-                        state->new_deq_ptr,
+                        state->new_deq_ptr, &state->new_cycle_state);
-                        &state->new_cycle_state);
        if (!state->new_deq_seg) {
                WARN_ON(1);
                return;
        }
+        /* Increment to find next TRB after last_trb. Cycle if appropriate. */
        trb = &state->new_deq_ptr->generic;
        if (TRB_TYPE_LINK_LE32(trb->field[3]) &&
            (trb->field[3] & cpu_to_le32(LINK_TOGGLE)))
                state->new_cycle_state ^= 0x1;
        next_trb(xhci, ep_ring, &state->new_deq_seg, &state->new_deq_ptr);
-        /*
+        /* Don't update the ring cycle state for the producer (us). */
-         * If there is only one segment in a ring, find_trb_seg()'s while loop
-         * will not run, and it will return before it has a chance to see if it
-         * needs to toggle the cycle bit.  It can't tell if the stalled transfer
-         * ended just before the link TRB on a one-segment ring, or if the TD
-         * wrapped around the top of the ring, because it doesn't have the TD in
-         * question.  Look for the one-segment case where stalled TRB's address
-         * is greater than the new dequeue pointer address.
-         */
-        if (ep_ring->first_seg == ep_ring->first_seg->next &&
-                        state->new_deq_ptr < dev->eps[ep_index].stopped_trb)
-                state->new_cycle_state ^= 0x1;
        xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
                        "Cycle state = 0x%x", state->new_cycle_state);
-        /* Don't update the ring cycle state for the producer (us). */
        xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
                        "New dequeue segment = %p (virtual)",
                        state->new_deq_seg);
@@ -799,7 +801,6 @@ static void xhci_handle_cmd_stop_ep(struct xhci_hcd *xhci, int slot_id,
        if (list_empty(&ep->cancelled_td_list)) {
                xhci_stop_watchdog_timer_in_irq(xhci, ep);
                ep->stopped_td = NULL;
-                ep->stopped_trb = NULL;
                ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
                return;
        }
@@ -867,11 +868,9 @@ remove_finished_td:
                ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
        }
-        /* Clear stopped_td and stopped_trb if endpoint is not halted */
+        /* Clear stopped_td if endpoint is not halted */
-        if (!(ep->ep_state & EP_HALTED)) {
+        if (!(ep->ep_state & EP_HALTED))
                ep->stopped_td = NULL;
-                ep->stopped_trb = NULL;
-        }
        /*
         * Drop the lock and complete the URBs in the cancelled TD list.
@@ -1941,14 +1940,12 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci,
        struct xhci_virt_ep *ep = &xhci->devs[slot_id]->eps[ep_index];
        ep->ep_state |= EP_HALTED;
        ep->stopped_td = td;
-        ep->stopped_trb = event_trb;
        ep->stopped_stream = stream_id;
        xhci_queue_reset_ep(xhci, slot_id, ep_index);
        xhci_cleanup_stalled_ring(xhci, td->urb->dev, ep_index);
        ep->stopped_td = NULL;
-        ep->stopped_trb = NULL;
        ep->stopped_stream = 0;
        xhci_ring_cmd_db(xhci);
@@ -2030,7 +2027,6 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
                 * the ring dequeue pointer or take this TD off any lists yet.
                 */
                ep->stopped_td = td;
-                ep->stopped_trb = event_trb;
                return 0;
        } else {
                if (trb_comp_code == COMP_STALL) {
@@ -2042,7 +2038,6 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
                         * USB class driver clear the stall later.
                         */
                        ep->stopped_td = td;
-                        ep->stopped_trb = event_trb;
                        ep->stopped_stream = ep_ring->stream_id;
                } else if (xhci_requires_manual_halt_cleanup(xhci,
                                        ep_ctx, trb_comp_code)) {
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 8fe4e124ddd4..300836972faa 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -408,16 +408,16 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd)
 #else
-static int xhci_try_enable_msi(struct usb_hcd *hcd)
+static inline int xhci_try_enable_msi(struct usb_hcd *hcd)
 {
        return 0;
 }
-static void xhci_cleanup_msix(struct xhci_hcd *xhci)
+static inline void xhci_cleanup_msix(struct xhci_hcd *xhci)
 {
 }
-static void xhci_msix_sync_irqs(struct xhci_hcd *xhci)
+static inline void xhci_msix_sync_irqs(struct xhci_hcd *xhci)
 {
 }
@@ -2954,7 +2954,6 @@ void xhci_endpoint_reset(struct usb_hcd *hcd,
                xhci_ring_cmd_db(xhci);
        }
        virt_ep->stopped_td = NULL;
-        virt_ep->stopped_trb = NULL;
        virt_ep->stopped_stream = 0;
        spin_unlock_irqrestore(&xhci->lock, flags);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index d280e9213d08..4746816aed3e 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -865,8 +865,6 @@ struct xhci_virt_ep {
 #define EP_GETTING_NO_STREAMS   (1 << 5)
        /* ----  Related to URB cancellation ---- */
        struct list_head        cancelled_td_list;
-        /* The TRB that was last reported in a stopped endpoint ring */
-        union xhci_trb          *stopped_trb;
        struct xhci_td          *stopped_td;
        unsigned int            stopped_stream;
        /* Watchdog timer for stop endpoint command to cancel URBs */
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 3372ded5def7..e2fd263585de 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -470,8 +470,9 @@ static int dsps_musb_exit(struct musb *musb)
        struct dsps_glue *glue = dev_get_drvdata(dev->parent);
        del_timer_sync(&glue->timer);
        usb_phy_shutdown(musb->xceiv);
+        debugfs_remove_recursive(glue->dbgfs_root);
        return 0;
 }
@@ -708,8 +709,6 @@ static int dsps_remove(struct platform_device *pdev)
        pm_runtime_put(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
-        debugfs_remove_recursive(glue->dbgfs_root);
        return 0;
 }
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index d341c149a2f9..d369bf1f3936 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -316,7 +316,13 @@ static void omap_musb_mailbox_work(struct work_struct *mailbox_work)
 {
        struct omap2430_glue *glue = container_of(mailbox_work,
                                struct omap2430_glue, omap_musb_mailbox_work);
+        struct musb *musb = glue_to_musb(glue);
+        struct device *dev = musb->controller;
+        pm_runtime_get_sync(dev);
        omap_musb_set_mailbox(glue);
+        pm_runtime_mark_last_busy(dev);
+        pm_runtime_put_autosuspend(dev);
 }
 static irqreturn_t omap2430_musb_interrupt(int irq, void *__hci)
@@ -416,6 +422,7 @@ static int omap2430_musb_init(struct musb *musb)
                omap_musb_set_mailbox(glue);
        phy_init(musb->phy);
+        phy_power_on(musb->phy);
        pm_runtime_put_noidle(musb->controller);
        return 0;
@@ -478,6 +485,7 @@ static int omap2430_musb_exit(struct musb *musb)
        del_timer_sync(&musb_idle_timer);
        omap2430_low_level_exit(musb);
+        phy_power_off(musb->phy);
        phy_exit(musb->phy);
        return 0;
diff --git a/drivers/usb/phy/phy-am335x-control.c b/drivers/usb/phy/phy-am335x-control.c
index d75196ad5f2f..35b6083b7999 100644
--- a/drivers/usb/phy/phy-am335x-control.c
+++ b/drivers/usb/phy/phy-am335x-control.c
@@ -3,6 +3,7 @@
 #include <linux/err.h>
 #include <linux/of.h>
 #include <linux/io.h>
+#include <linux/delay.h>
 #include "am35x-phy-control.h"
 struct am335x_control_usb {
@@ -86,6 +87,14 @@ static void am335x_phy_power(struct phy_control *phy_ctrl, u32 id, bool on)
        }
        writel(val, usb_ctrl->phy_reg + reg);
+        /*
+         * Give the PHY ~1ms to complete the power up operation.
+         * Tests have shown unstable behaviour if other USB PHY related
+         * registers are written too shortly after such a transition.
+         */
+        if (on)
+                mdelay(1);
 }
 static const struct phy_control ctrl_am335x = {
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index 8afa813d690b..36b6bce33b20 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -132,6 +132,9 @@ struct usb_phy *usb_get_phy(enum usb_phy_type type)
        if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) {
                pr_debug("PHY: unable to find transceiver of type %s\n",
                        usb_phy_type_string(type));
+                if (!IS_ERR(phy))
+                        phy = ERR_PTR(-ENODEV);
                goto err0;
        }
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index a2db5be9c305..df90dae53eb9 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -28,6 +28,7 @@
 #include <linux/spinlock.h>
 #include <linux/mutex.h>
 #include <linux/serial.h>
+#include <linux/swab.h>
 #include <linux/kfifo.h>
 #include <linux/ioctl.h>
 #include <linux/firmware.h>
@@ -280,7 +281,7 @@ static int read_download_mem(struct usb_device *dev, int start_address,
 {
        int status = 0;
        __u8 read_length;
-        __be16 be_start_address;
+        u16 be_start_address;
        dev_dbg(&dev->dev, "%s - @ %x for %d\n", __func__, start_address, length);
@@ -296,10 +297,14 @@ static int read_download_mem(struct usb_device *dev, int start_address,
                if (read_length > 1) {
                        dev_dbg(&dev->dev, "%s - @ %x for %d\n", __func__, start_address, read_length);
                }
-                be_start_address = cpu_to_be16(start_address);
+                /*
+                 * NOTE: Must use swab as wIndex is sent in little-endian
+                 *       byte order regardless of host byte order.
+                 */
+                be_start_address = swab16((u16)start_address);
                status = ti_vread_sync(dev, UMPC_MEMORY_READ,
                                        (__u16)address_type,
-                                        (__force __u16)be_start_address,
+                                        be_start_address,
                                        buffer, read_length);
                if (status) {
@@ -394,7 +399,7 @@ static int write_i2c_mem(struct edgeport_serial *serial,
        struct device *dev = &serial->serial->dev->dev;
        int status = 0;
        int write_length;
-        __be16 be_start_address;
+        u16 be_start_address;
        /* We can only send a maximum of 1 aligned byte page at a time */
@@ -409,11 +414,16 @@ static int write_i2c_mem(struct edgeport_serial *serial,
                __func__, start_address, write_length);
        usb_serial_debug_data(dev, __func__, write_length, buffer);
-        /* Write first page */
+        /*
-        be_start_address = cpu_to_be16(start_address);
+         * Write first page.
+         *
+         * NOTE: Must use swab as wIndex is sent in little-endian byte order
+         *       regardless of host byte order.
+         */
+        be_start_address = swab16((u16)start_address);
        status = ti_vsend_sync(serial->serial->dev,
                                UMPC_MEMORY_WRITE, (__u16)address_type,
-                                (__force __u16)be_start_address,
+                                be_start_address,
                                buffer, write_length);
        if (status) {
                dev_dbg(dev, "%s - ERROR %d\n", __func__, status);
@@ -436,11 +446,16 @@ static int write_i2c_mem(struct edgeport_serial *serial,
                        __func__, start_address, write_length);
                usb_serial_debug_data(dev, __func__, write_length, buffer);
-                /* Write next page */
+                /*
-                be_start_address = cpu_to_be16(start_address);
+                 * Write next page.
+                 *
+                 * NOTE: Must use swab as wIndex is sent in little-endian byte
+                 *       order regardless of host byte order.
+                 */
+                be_start_address = swab16((u16)start_address);
                status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE,
                                (__u16)address_type,
-                                (__force __u16)be_start_address,
+                                be_start_address,
                                buffer, write_length);
                if (status) {
                        dev_err(dev, "%s - ERROR %d\n", __func__, status);
@@ -585,8 +600,8 @@ static int get_descriptor_addr(struct edgeport_serial *serial,
                if (rom_desc->Type == desc_type)
                        return start_address;
-                start_address = start_address + sizeof(struct ti_i2c_desc)
+                start_address = start_address + sizeof(struct ti_i2c_desc) +
-                                                        + rom_desc->Size;
+                                                le16_to_cpu(rom_desc->Size);
        } while ((start_address < TI_MAX_I2C_SIZE) && rom_desc->Type);
@@ -599,7 +614,7 @@ static int valid_csum(struct ti_i2c_desc *rom_desc, __u8 *buffer)
        __u16 i;
        __u8 cs = 0;
-        for (i = 0; i < rom_desc->Size; i++)
+        for (i = 0; i < le16_to_cpu(rom_desc->Size); i++)
                cs = (__u8)(cs + buffer[i]);
        if (cs != rom_desc->CheckSum) {
@@ -650,7 +665,7 @@ static int check_i2c_image(struct edgeport_serial *serial)
                        break;
                if ((start_address + sizeof(struct ti_i2c_desc) +
-                                        rom_desc->Size) > TI_MAX_I2C_SIZE) {
+                        le16_to_cpu(rom_desc->Size)) > TI_MAX_I2C_SIZE) {
                        status = -ENODEV;
                        dev_dbg(dev, "%s - structure too big, erroring out.\n", __func__);
                        break;
@@ -665,7 +680,8 @@ static int check_i2c_image(struct edgeport_serial *serial)
                        /* Read the descriptor data */
                        status = read_rom(serial, start_address +
                                                sizeof(struct ti_i2c_desc),
-                                                rom_desc->Size, buffer);
+                                                le16_to_cpu(rom_desc->Size),
+                                                buffer);
                        if (status)
                                break;
@@ -674,7 +690,7 @@ static int check_i2c_image(struct edgeport_serial *serial)
                                break;
                }
                start_address = start_address + sizeof(struct ti_i2c_desc) +
-                                                                rom_desc->Size;
+                                                le16_to_cpu(rom_desc->Size);
        } while ((rom_desc->Type != I2C_DESC_TYPE_ION) &&
                                (start_address < TI_MAX_I2C_SIZE));
@@ -712,7 +728,7 @@ static int get_manuf_info(struct edgeport_serial *serial, __u8 *buffer)
        /* Read the descriptor data */
        status = read_rom(serial, start_address+sizeof(struct ti_i2c_desc),
-                                                rom_desc->Size, buffer);
+                                        le16_to_cpu(rom_desc->Size), buffer);
        if (status)
                goto exit;
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 367c7f08b27c..f213ee978516 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -234,8 +234,31 @@ static void option_instat_callback(struct urb *urb);
 #define QUALCOMM_VENDOR_ID                      0x05C6
 #define CMOTECH_VENDOR_ID                       0x16d8
-#define CMOTECH_PRODUCT_6008                    0x6008
+#define CMOTECH_PRODUCT_6001                    0x6001
-#define CMOTECH_PRODUCT_6280                    0x6280
+#define CMOTECH_PRODUCT_CMU_300                 0x6002
+#define CMOTECH_PRODUCT_6003                    0x6003
+#define CMOTECH_PRODUCT_6004                    0x6004
+#define CMOTECH_PRODUCT_6005                    0x6005
+#define CMOTECH_PRODUCT_CGU_628A                0x6006
+#define CMOTECH_PRODUCT_CHE_628S                0x6007
+#define CMOTECH_PRODUCT_CMU_301                 0x6008
+#define CMOTECH_PRODUCT_CHU_628                 0x6280
+#define CMOTECH_PRODUCT_CHU_628S                0x6281
+#define CMOTECH_PRODUCT_CDU_680                 0x6803
+#define CMOTECH_PRODUCT_CDU_685A                0x6804
+#define CMOTECH_PRODUCT_CHU_720S                0x7001
+#define CMOTECH_PRODUCT_7002                    0x7002
+#define CMOTECH_PRODUCT_CHU_629K                0x7003
+#define CMOTECH_PRODUCT_7004                    0x7004
+#define CMOTECH_PRODUCT_7005                    0x7005
+#define CMOTECH_PRODUCT_CGU_629                 0x7006
+#define CMOTECH_PRODUCT_CHU_629S                0x700a
+#define CMOTECH_PRODUCT_CHU_720I                0x7211
+#define CMOTECH_PRODUCT_7212                    0x7212
+#define CMOTECH_PRODUCT_7213                    0x7213
+#define CMOTECH_PRODUCT_7251                    0x7251
+#define CMOTECH_PRODUCT_7252                    0x7252
+#define CMOTECH_PRODUCT_7253                    0x7253
 #define TELIT_VENDOR_ID                         0x1bc7
 #define TELIT_PRODUCT_UC864E                    0x1003
@@ -287,6 +310,7 @@ static void option_instat_callback(struct urb *urb);
 #define ALCATEL_PRODUCT_X060S_X200              0x0000
 #define ALCATEL_PRODUCT_X220_X500D              0x0017
 #define ALCATEL_PRODUCT_L100V                   0x011e
+#define ALCATEL_PRODUCT_L800MA                  0x0203
 #define PIRELLI_VENDOR_ID                       0x1266
 #define PIRELLI_PRODUCT_C100_1                  0x1002
@@ -349,6 +373,7 @@ static void option_instat_callback(struct urb *urb);
 #define OLIVETTI_PRODUCT_OLICARD100             0xc000
 #define OLIVETTI_PRODUCT_OLICARD145             0xc003
 #define OLIVETTI_PRODUCT_OLICARD200             0xc005
+#define OLIVETTI_PRODUCT_OLICARD500             0xc00b
 /* Celot products */
 #define CELOT_VENDOR_ID                         0x211f
@@ -502,6 +527,10 @@ static const struct option_blacklist_info huawei_cdc12_blacklist = {
        .reserved = BIT(1) | BIT(2),
 };
+static const struct option_blacklist_info net_intf0_blacklist = {
+        .reserved = BIT(0),
+};
 static const struct option_blacklist_info net_intf1_blacklist = {
        .reserved = BIT(1),
 };
@@ -1035,8 +1064,47 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
        { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
        { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
-        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
-        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003),
+          .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6004) },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6005) },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CGU_628A) },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHE_628S),
+          .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_301),
+          .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_628),
+          .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_628S) },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU_680) },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU_685A) },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_720S),
+          .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7002),
+          .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_629K),
+          .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7004),
+          .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7005) },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CGU_629),
+          .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_629S),
+          .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CHU_720I),
+          .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7212),
+          .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7213),
+          .driver_info = (kernel_ulong_t)&net_intf0_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7251),
+          .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7252),
+          .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
+        { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_7253),
+          .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
        { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
        { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) },
        { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_DUAL) },
@@ -1500,6 +1568,8 @@ static const struct usb_device_id option_ids[] = {
          .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
        { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L100V),
          .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+        { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L800MA),
+          .driver_info = (kernel_ulong_t)&net_intf2_blacklist },
        { USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
        { USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
        { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
@@ -1545,6 +1615,9 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200),
                .driver_info = (kernel_ulong_t)&net_intf6_blacklist
        },
+        { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD500),
+                .driver_info = (kernel_ulong_t)&net_intf4_blacklist
+        },
        { USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
        { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) },
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 968a40201e5f..7ed681a714a5 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -136,9 +136,18 @@ static const struct usb_device_id id_table[] = {
        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 0)},       /* Sierra Wireless MC7710 Device Management */
        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 2)},       /* Sierra Wireless MC7710 NMEA */
        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 3)},       /* Sierra Wireless MC7710 Modem */
+        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 0)},       /* Sierra Wireless MC73xx Device Management */
+        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 2)},       /* Sierra Wireless MC73xx NMEA */
+        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 3)},       /* Sierra Wireless MC73xx Modem */
        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)},       /* Sierra Wireless EM7700 Device Management */
        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)},       /* Sierra Wireless EM7700 NMEA */
        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)},       /* Sierra Wireless EM7700 Modem */
+        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 0)},       /* Sierra Wireless EM7355 Device Management */
+        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 2)},       /* Sierra Wireless EM7355 NMEA */
+        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 3)},       /* Sierra Wireless EM7355 Modem */
+        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 0)},       /* Sierra Wireless MC7305/MC7355 Device Management */
+        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 2)},       /* Sierra Wireless MC7305/MC7355 NMEA */
+        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 3)},       /* Sierra Wireless MC7305/MC7355 Modem */
        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 0)},       /* Netgear AirCard 340U Device Management */
        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 2)},       /* Netgear AirCard 340U NMEA */
        {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 3)},       /* Netgear AirCard 340U Modem */
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 81fc0dfcfdcf..6d40d56378d7 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1347,10 +1347,12 @@ static int usb_serial_register(struct usb_serial_driver *driver)
 static void usb_serial_deregister(struct usb_serial_driver *device)
 {
        pr_info("USB Serial deregistering driver %s\n", device->description);
        mutex_lock(&table_lock);
        list_del(&device->driver_list);
-        usb_serial_bus_deregister(device);
        mutex_unlock(&table_lock);
+        usb_serial_bus_deregister(device);
 }
 /**
diff --git a/drivers/usb/wusbcore/mmc.c b/drivers/usb/wusbcore/mmc.c
index 44741267c917..3f485df96226 100644
--- a/drivers/usb/wusbcore/mmc.c
+++ b/drivers/usb/wusbcore/mmc.c
@@ -301,7 +301,7 @@ int wusbhc_chid_set(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid)
        if (chid)
                result = uwb_radio_start(&wusbhc->pal);
-        else
+        else if (wusbhc->uwb_rc)
                uwb_radio_stop(&wusbhc->pal);
        return result;
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index c8e2a47d62a7..3e2e4ed20157 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -2390,10 +2390,10 @@ error_complete:
                done) {
                dev_info(dev, "Control EP stall.  Queue delayed work.\n");
-                spin_lock_irq(&wa->xfer_list_lock);
+                spin_lock(&wa->xfer_list_lock);
                /* move xfer from xfer_list to xfer_errored_list. */
                list_move_tail(&xfer->list_node, &wa->xfer_errored_list);
-                spin_unlock_irq(&wa->xfer_list_lock);
+                spin_unlock(&wa->xfer_list_lock);
                spin_unlock_irqrestore(&xfer->lock, flags);
                queue_work(wusbd, &wa->xfer_error_work);
        } else {
diff --git a/drivers/uwb/drp.c b/drivers/uwb/drp.c
index 1a2fd9795367..468c89fb6a16 100644
--- a/drivers/uwb/drp.c
+++ b/drivers/uwb/drp.c
@@ -59,6 +59,7 @@ static void uwb_rc_set_drp_cmd_done(struct uwb_rc *rc, void *arg,
                                    struct uwb_rceb *reply, ssize_t reply_size)
 {
        struct uwb_rc_evt_set_drp_ie *r = (struct uwb_rc_evt_set_drp_ie *)reply;
+        unsigned long flags;
        if (r != NULL) {
                if (r->bResultCode != UWB_RC_RES_SUCCESS)
@@ -67,14 +68,14 @@ static void uwb_rc_set_drp_cmd_done(struct uwb_rc *rc, void *arg,
        } else
                dev_err(&rc->uwb_dev.dev, "SET-DRP-IE: timeout\n");
-        spin_lock_irq(&rc->rsvs_lock);
+        spin_lock_irqsave(&rc->rsvs_lock, flags);
        if (rc->set_drp_ie_pending > 1) {
                rc->set_drp_ie_pending = 0;
-                uwb_rsv_queue_update(rc);       
+                uwb_rsv_queue_update(rc);
        } else {
-                rc->set_drp_ie_pending = 0;     
+                rc->set_drp_ie_pending = 0;
        }
-        spin_unlock_irq(&rc->rsvs_lock);
+        spin_unlock_irqrestore(&rc->rsvs_lock, flags);
 }
 /**
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 4c48df572bd6..ba6b88528dc7 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2058,6 +2058,20 @@ struct btrfs_ioctl_defrag_range_args {
 #define btrfs_raw_test_opt(o, opt)      ((o) & BTRFS_MOUNT_##opt)
 #define btrfs_test_opt(root, opt)       ((root)->fs_info->mount_opt & \
                                         BTRFS_MOUNT_##opt)
+#define btrfs_set_and_info(root, opt, fmt, args...)                     \
+{                                                                       \
+        if (!btrfs_test_opt(root, opt))                                 \
+                btrfs_info(root->fs_info, fmt, ##args);                 \
+        btrfs_set_opt(root->fs_info->mount_opt, opt);                   \
+}
+#define btrfs_clear_and_info(root, opt, fmt, args...)                   \
+{                                                                       \
+        if (btrfs_test_opt(root, opt))                                  \
+                btrfs_info(root->fs_info, fmt, ##args);                 \
+        btrfs_clear_opt(root->fs_info->mount_opt, opt);                 \
+}
 /*
 * Inode flags
 */
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 029d46c2e170..983314932af3 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2861,7 +2861,7 @@ retry_root_backup:
                        printk(KERN_ERR "BTRFS: failed to read log tree\n");
                        free_extent_buffer(log_tree_root->node);
                        kfree(log_tree_root);
-                        goto fail_trans_kthread;
+                        goto fail_qgroup;
                }
                /* returns with log_tree_root freed on success */
                ret = btrfs_recover_log_trees(log_tree_root);
@@ -2870,24 +2870,24 @@ retry_root_backup:
                                    "Failed to recover log tree");
                        free_extent_buffer(log_tree_root->node);
                        kfree(log_tree_root);
-                        goto fail_trans_kthread;
+                        goto fail_qgroup;
                }
                if (sb->s_flags & MS_RDONLY) {
                        ret = btrfs_commit_super(tree_root);
                        if (ret)
-                                goto fail_trans_kthread;
+                                goto fail_qgroup;
                }
        }
        ret = btrfs_find_orphan_roots(tree_root);
        if (ret)
-                goto fail_trans_kthread;
+                goto fail_qgroup;
        if (!(sb->s_flags & MS_RDONLY)) {
                ret = btrfs_cleanup_fs_roots(fs_info);
                if (ret)
-                        goto fail_trans_kthread;
+                        goto fail_qgroup;
                ret = btrfs_recover_relocation(tree_root);
                if (ret < 0) {
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 1306487c82cf..5590af92094b 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1542,6 +1542,7 @@ again:
                                ret = 0;
                }
                if (ret) {
+                        key.objectid = bytenr;
                        key.type = BTRFS_EXTENT_ITEM_KEY;
                        key.offset = num_bytes;
                        btrfs_release_path(path);
@@ -3542,11 +3543,13 @@ static u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags)
        return extended_to_chunk(flags | tmp);
 }
-static u64 get_alloc_profile(struct btrfs_root *root, u64 flags)
+static u64 get_alloc_profile(struct btrfs_root *root, u64 orig_flags)
 {
        unsigned seq;
+        u64 flags;
        do {
+                flags = orig_flags;
                seq = read_seqbegin(&root->fs_info->profiles_lock);
                if (flags & BTRFS_BLOCK_GROUP_DATA)
@@ -5719,6 +5722,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
                        if (ret > 0 && skinny_metadata) {
                                skinny_metadata = false;
+                                key.objectid = bytenr;
                                key.type = BTRFS_EXTENT_ITEM_KEY;
                                key.offset = num_bytes;
                                btrfs_release_path(path);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index eb742c07e7a4..ae6af072b635 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -800,7 +800,7 @@ next_slot:
                if (start > key.offset && end < extent_end) {
                        BUG_ON(del_nr > 0);
                        if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
-                                ret = -EINVAL;
+                                ret = -EOPNOTSUPP;
                                break;
                        }
@@ -846,7 +846,7 @@ next_slot:
                 */
                if (start <= key.offset && end < extent_end) {
                        if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
-                                ret = -EINVAL;
+                                ret = -EOPNOTSUPP;
                                break;
                        }
@@ -872,7 +872,7 @@ next_slot:
                if (start > key.offset && end >= extent_end) {
                        BUG_ON(del_nr > 0);
                        if (extent_type == BTRFS_FILE_EXTENT_INLINE) {
-                                ret = -EINVAL;
+                                ret = -EOPNOTSUPP;
                                break;
                        }
@@ -1777,7 +1777,7 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
        start_pos = round_down(pos, root->sectorsize);
        if (start_pos > i_size_read(inode)) {
                /* Expand hole size to cover write data, preventing empty gap */
-                end_pos = round_up(pos + iov->iov_len, root->sectorsize);
+                end_pos = round_up(pos + count, root->sectorsize);
                err = btrfs_cont_expand(inode, i_size_read(inode), end_pos);
                if (err) {
                        mutex_unlock(&inode->i_mutex);
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index cc8ca193d830..86935f5ae291 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -176,7 +176,11 @@ static void start_caching(struct btrfs_root *root)
        tsk = kthread_run(caching_kthread, root, "btrfs-ino-cache-%llu\n",
                          root->root_key.objectid);
-        BUG_ON(IS_ERR(tsk)); /* -ENOMEM */
+        if (IS_ERR(tsk)) {
+                btrfs_warn(root->fs_info, "failed to start inode caching task");
+                btrfs_clear_and_info(root, CHANGE_INODE_CACHE,
+                                "disabling inode map caching");
+        }
 }
 int btrfs_find_free_ino(struct btrfs_root *root, u64 *objectid)
@@ -205,24 +209,14 @@ again:
 void btrfs_return_ino(struct btrfs_root *root, u64 objectid)
 {
-        struct btrfs_free_space_ctl *ctl = root->free_ino_ctl;
        struct btrfs_free_space_ctl *pinned = root->free_ino_pinned;
        if (!btrfs_test_opt(root, INODE_MAP_CACHE))
                return;
 again:
        if (root->cached == BTRFS_CACHE_FINISHED) {
-                __btrfs_add_free_space(ctl, objectid, 1);
+                __btrfs_add_free_space(pinned, objectid, 1);
        } else {
-                /*
-                 * If we are in the process of caching free ino chunks,
-                 * to avoid adding the same inode number to the free_ino
-                 * tree twice due to cross transaction, we'll leave it
-                 * in the pinned tree until a transaction is committed
-                 * or the caching work is done.
-                 */
                down_write(&root->fs_info->commit_root_sem);
                spin_lock(&root->cache_lock);
                if (root->cached == BTRFS_CACHE_FINISHED) {
@@ -234,11 +228,7 @@ again:
                start_caching(root);
-                if (objectid <= root->cache_progress ||
+                __btrfs_add_free_space(pinned, objectid, 1);
-                    objectid >= root->highest_objectid)
-                        __btrfs_add_free_space(ctl, objectid, 1);
-                else
-                        __btrfs_add_free_space(pinned, objectid, 1);
                up_write(&root->fs_info->commit_root_sem);
        }
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index e79ff6b90cb7..2ad7de94efef 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3066,7 +3066,7 @@ process_slot:
                                                         new_key.offset + datal,
                                                         1);
                                if (ret) {
-                                        if (ret != -EINVAL)
+                                        if (ret != -EOPNOTSUPP)
                                                btrfs_abort_transaction(trans,
                                                                root, ret);
                                        btrfs_end_transaction(trans, root);
@@ -3141,7 +3141,7 @@ process_slot:
                                                         new_key.offset + datal,
                                                         1);
                                if (ret) {
-                                        if (ret != -EINVAL)
+                                        if (ret != -EOPNOTSUPP)
                                                btrfs_abort_transaction(trans,
                                                        root, ret);
                                        btrfs_end_transaction(trans, root);
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 1ac3ca98c429..eb6537a08c1b 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -349,6 +349,11 @@ static int fs_path_ensure_buf(struct fs_path *p, int len)
        if (p->buf_len >= len)
                return 0;
+        if (len > PATH_MAX) {
+                WARN_ON(1);
+                return -ENOMEM;
+        }
        path_len = p->end - p->start;
        old_buf_len = p->buf_len;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 5011aadacab8..9601d25a4607 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -385,20 +385,6 @@ static match_table_t tokens = {
        {Opt_err, NULL},
 };
-#define btrfs_set_and_info(root, opt, fmt, args...)                     \
-{                                                                       \
-        if (!btrfs_test_opt(root, opt))                                 \
-                btrfs_info(root->fs_info, fmt, ##args);                 \
-        btrfs_set_opt(root->fs_info->mount_opt, opt);                   \
-}
-#define btrfs_clear_and_info(root, opt, fmt, args...)                   \
-{                                                                       \
-        if (btrfs_test_opt(root, opt))                                  \
-                btrfs_info(root->fs_info, fmt, ##args);                 \
-        btrfs_clear_opt(root->fs_info->mount_opt, opt);                 \
-}
 /*
 * Regular mount options parser.  Everything that is needed only when
 * reading in a new superblock is parsed here.
@@ -1186,7 +1172,6 @@ static struct dentry *mount_subvol(const char *subvol_name, int flags,
                return ERR_PTR(-ENOMEM);
        mnt = vfs_kern_mount(&btrfs_fs_type, flags, device_name,
                             newargs);
-        kfree(newargs);
        if (PTR_RET(mnt) == -EBUSY) {
                if (flags & MS_RDONLY) {
@@ -1196,17 +1181,22 @@ static struct dentry *mount_subvol(const char *subvol_name, int flags,
                        int r;
                        mnt = vfs_kern_mount(&btrfs_fs_type, flags | MS_RDONLY, device_name,
                                             newargs);
-                        if (IS_ERR(mnt))
+                        if (IS_ERR(mnt)) {
+                                kfree(newargs);
                                return ERR_CAST(mnt);
+                        }
                        r = btrfs_remount(mnt->mnt_sb, &flags, NULL);
                        if (r < 0) {
                                /* FIXME: release vfsmount mnt ??*/
+                                kfree(newargs);
                                return ERR_PTR(r);
                        }
                }
        }
+        kfree(newargs);
        if (IS_ERR(mnt))
                return ERR_CAST(mnt);
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 39da1c2efa50..88a6df4cbe6d 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1221,9 +1221,6 @@ static long ceph_fallocate(struct file *file, int mode,
        if (!S_ISREG(inode->i_mode))
                return -EOPNOTSUPP;
-        if (IS_SWAPFILE(inode))
-                return -ETXTBSY;
        mutex_lock(&inode->i_mutex);
        if (ceph_snap(inode) != CEPH_NOSNAP) {
diff --git a/fs/compat.c b/fs/compat.c
index ca926ad0430c..66d3d3c6b4b2 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -457,9 +457,9 @@ COMPAT_SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
        case F_GETLK64:
        case F_SETLK64:
        case F_SETLKW64:
-        case F_GETLKP:
+        case F_OFD_GETLK:
-        case F_SETLKP:
+        case F_OFD_SETLK:
-        case F_SETLKPW:
+        case F_OFD_SETLKW:
                ret = get_compat_flock64(&f, compat_ptr(arg));
                if (ret != 0)
                        break;
@@ -468,7 +468,7 @@ COMPAT_SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
                conv_cmd = convert_fcntl_cmd(cmd);
                ret = sys_fcntl(fd, conv_cmd, (unsigned long)&f);
                set_fs(old_fs);
-                if ((conv_cmd == F_GETLK || conv_cmd == F_GETLKP) && ret == 0) {
+                if ((conv_cmd == F_GETLK || conv_cmd == F_OFD_GETLK) && ret == 0) {
                        /* need to return lock information - see above for commentary */
                        if (f.l_start > COMPAT_LOFF_T_MAX)
                                ret = -EOVERFLOW;
@@ -493,9 +493,9 @@ COMPAT_SYSCALL_DEFINE3(fcntl, unsigned int, fd, unsigned int, cmd,
        case F_GETLK64:
        case F_SETLK64:
        case F_SETLKW64:
-        case F_GETLKP:
+        case F_OFD_GETLK:
-        case F_SETLKP:
+        case F_OFD_SETLK:
-        case F_SETLKPW:
+        case F_OFD_SETLKW:
                return -EINVAL;
        }
        return compat_sys_fcntl64(fd, cmd, arg);
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 6ea7b1436bbc..5c56785007e0 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -667,7 +667,7 @@ ext4_fsblk_t ext4_count_free_clusters(struct super_block *sb)
                        continue;
                x = ext4_count_free(bitmap_bh->b_data,
-                                    EXT4_BLOCKS_PER_GROUP(sb) / 8);
+                                    EXT4_CLUSTERS_PER_GROUP(sb) / 8);
                printk(KERN_DEBUG "group %u: stored = %d, counted = %u\n",
                        i, ext4_free_group_clusters(sb, gdp), x);
                bitmap_count += x;
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index f1c65dc7cc0a..66946aa62127 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2466,23 +2466,6 @@ static inline void ext4_update_i_disksize(struct inode *inode, loff_t newsize)
        up_write(&EXT4_I(inode)->i_data_sem);
 }
-/*
- * Update i_disksize after writeback has been started. Races with truncate
- * are avoided by checking i_size under i_data_sem.
- */
-static inline void ext4_wb_update_i_disksize(struct inode *inode, loff_t newsize)
-{
-        loff_t i_size;
-        down_write(&EXT4_I(inode)->i_data_sem);
-        i_size = i_size_read(inode);
-        if (newsize > i_size)
-                newsize = i_size;
-        if (newsize > EXT4_I(inode)->i_disksize)
-                EXT4_I(inode)->i_disksize = newsize;
-        up_write(&EXT4_I(inode)->i_data_sem);
-}
 struct ext4_group_info {
        unsigned long   bb_state;
        struct rb_root  bb_free_root;
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 82df3ce9874a..01b0c208f625 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3313,6 +3313,11 @@ static int ext4_split_extent(handle_t *handle,
                return PTR_ERR(path);
        depth = ext_depth(inode);
        ex = path[depth].p_ext;
+        if (!ex) {
+                EXT4_ERROR_INODE(inode, "unexpected hole at %lu",
+                                 (unsigned long) map->m_lblk);
+                return -EIO;
+        }
        uninitialized = ext4_ext_is_uninitialized(ex);
        split_flag1 = 0;
@@ -3694,6 +3699,12 @@ static int ext4_convert_initialized_extents(handle_t *handle,
                }
                depth = ext_depth(inode);
                ex = path[depth].p_ext;
+                if (!ex) {
+                        EXT4_ERROR_INODE(inode, "unexpected hole at %lu",
+                                         (unsigned long) map->m_lblk);
+                        err = -EIO;
+                        goto out;
+                }
        }
        err = ext4_ext_get_access(handle, inode, path + depth);
@@ -4730,6 +4741,9 @@ static long ext4_zero_range(struct file *file, loff_t offset,
        trace_ext4_zero_range(inode, offset, len, mode);
+        if (!S_ISREG(inode->i_mode))
+                return -EINVAL;
        /*
         * Write out all dirty pages to avoid race conditions
         * Then release them.
@@ -4878,9 +4892,6 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
        if (mode & FALLOC_FL_PUNCH_HOLE)
                return ext4_punch_hole(inode, offset, len);
-        if (mode & FALLOC_FL_COLLAPSE_RANGE)
-                return ext4_collapse_range(inode, offset, len);
        ret = ext4_convert_inline_data(inode);
        if (ret)
                return ret;
@@ -4892,6 +4903,9 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
        if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
                return -EOPNOTSUPP;
+        if (mode & FALLOC_FL_COLLAPSE_RANGE)
+                return ext4_collapse_range(inode, offset, len);
        if (mode & FALLOC_FL_ZERO_RANGE)
                return ext4_zero_range(file, offset, len, mode);
@@ -5229,18 +5243,19 @@ ext4_ext_shift_path_extents(struct ext4_ext_path *path, ext4_lblk_t shift,
                        if (ex_start == EXT_FIRST_EXTENT(path[depth].p_hdr))
                                update = 1;
-                        *start = ex_last->ee_block +
+                        *start = le32_to_cpu(ex_last->ee_block) +
                                ext4_ext_get_actual_len(ex_last);
                        while (ex_start <= ex_last) {
-                                ex_start->ee_block -= shift;
+                                le32_add_cpu(&ex_start->ee_block, -shift);
-                                if (ex_start >
+                                /* Try to merge to the left. */
-                                        EXT_FIRST_EXTENT(path[depth].p_hdr)) {
+                                if ((ex_start >
-                                        if (ext4_ext_try_to_merge_right(inode,
+                                     EXT_FIRST_EXTENT(path[depth].p_hdr)) &&
-                                                path, ex_start - 1))
+                                    ext4_ext_try_to_merge_right(inode,
-                                                ex_last--;
+                                                        path, ex_start - 1))
-                                }
+                                        ex_last--;
-                                ex_start++;
+                                else
+                                        ex_start++;
                        }
                        err = ext4_ext_dirty(handle, inode, path + depth);
                        if (err)
@@ -5255,7 +5270,7 @@ ext4_ext_shift_path_extents(struct ext4_ext_path *path, ext4_lblk_t shift,
                if (err)
                        goto out;
-                path[depth].p_idx->ei_block -= shift;
+                le32_add_cpu(&path[depth].p_idx->ei_block, -shift);
                err = ext4_ext_dirty(handle, inode, path + depth);
                if (err)
                        goto out;
@@ -5300,7 +5315,8 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
                return ret;
        }
-        stop_block = extent->ee_block + ext4_ext_get_actual_len(extent);
+        stop_block = le32_to_cpu(extent->ee_block) +
+                        ext4_ext_get_actual_len(extent);
        ext4_ext_drop_refs(path);
        kfree(path);
@@ -5313,10 +5329,18 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
         * enough to accomodate the shift.
         */
        path = ext4_ext_find_extent(inode, start - 1, NULL, 0);
+        if (IS_ERR(path))
+                return PTR_ERR(path);
        depth = path->p_depth;
        extent =  path[depth].p_ext;
-        ex_start = extent->ee_block;
+        if (extent) {
-        ex_end = extent->ee_block + ext4_ext_get_actual_len(extent);
+                ex_start = le32_to_cpu(extent->ee_block);
+                ex_end = le32_to_cpu(extent->ee_block) +
+                        ext4_ext_get_actual_len(extent);
+        } else {
+                ex_start = 0;
+                ex_end = 0;
+        }
        ext4_ext_drop_refs(path);
        kfree(path);
@@ -5331,7 +5355,13 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
                        return PTR_ERR(path);
                depth = path->p_depth;
                extent = path[depth].p_ext;
-                current_block = extent->ee_block;
+                if (!extent) {
+                        EXT4_ERROR_INODE(inode, "unexpected hole at %lu",
+                                         (unsigned long) start);
+                        return -EIO;
+                }
+                current_block = le32_to_cpu(extent->ee_block);
                if (start > current_block) {
                        /* Hole, move to the next extent */
                        ret = mext_next_extent(inode, path, &extent);
@@ -5365,17 +5395,18 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
        ext4_lblk_t punch_start, punch_stop;
        handle_t *handle;
        unsigned int credits;
-        loff_t new_size;
+        loff_t new_size, ioffset;
        int ret;
-        BUG_ON(offset + len > i_size_read(inode));
        /* Collapse range works only on fs block size aligned offsets. */
        if (offset & (EXT4_BLOCK_SIZE(sb) - 1) ||
            len & (EXT4_BLOCK_SIZE(sb) - 1))
                return -EINVAL;
        if (!S_ISREG(inode->i_mode))
+                return -EINVAL;
+        if (EXT4_SB(inode->i_sb)->s_cluster_ratio > 1)
                return -EOPNOTSUPP;
        trace_ext4_collapse_range(inode, offset, len);
@@ -5383,22 +5414,34 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
        punch_start = offset >> EXT4_BLOCK_SIZE_BITS(sb);
        punch_stop = (offset + len) >> EXT4_BLOCK_SIZE_BITS(sb);
+        /* Call ext4_force_commit to flush all data in case of data=journal. */
+        if (ext4_should_journal_data(inode)) {
+                ret = ext4_force_commit(inode->i_sb);
+                if (ret)
+                        return ret;
+        }
+        /*
+         * Need to round down offset to be aligned with page size boundary
+         * for page size > block size.
+         */
+        ioffset = round_down(offset, PAGE_SIZE);
        /* Write out all dirty pages */
-        ret = filemap_write_and_wait_range(inode->i_mapping, offset, -1);
+        ret = filemap_write_and_wait_range(inode->i_mapping, ioffset,
+                                           LLONG_MAX);
        if (ret)
                return ret;
        /* Take mutex lock */
        mutex_lock(&inode->i_mutex);
-        /* It's not possible punch hole on append only file */
+        /*
-        if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) {
+         * There is no need to overlap collapse range with EOF, in which case
-                ret = -EPERM;
+         * it is effectively a truncate operation
-                goto out_mutex;
+         */
-        }
+        if (offset + len >= i_size_read(inode)) {
+                ret = -EINVAL;
-        if (IS_SWAPFILE(inode)) {
-                ret = -ETXTBSY;
                goto out_mutex;
        }
@@ -5408,7 +5451,7 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
                goto out_mutex;
        }
-        truncate_pagecache_range(inode, offset, -1);
+        truncate_pagecache(inode, ioffset);
        /* Wait for existing dio to complete */
        ext4_inode_block_unlocked_dio(inode);
@@ -5425,7 +5468,7 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
        ext4_discard_preallocations(inode);
        ret = ext4_es_remove_extent(inode, punch_start,
-                                    EXT_MAX_BLOCKS - punch_start - 1);
+                                    EXT_MAX_BLOCKS - punch_start);
        if (ret) {
                up_write(&EXT4_I(inode)->i_data_sem);
                goto out_stop;
@@ -5436,6 +5479,7 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
                up_write(&EXT4_I(inode)->i_data_sem);
                goto out_stop;
        }
+        ext4_discard_preallocations(inode);
        ret = ext4_ext_shift_extents(inode, handle, punch_stop,
                                     punch_stop - punch_start);
@@ -5445,10 +5489,9 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
        }
        new_size = i_size_read(inode) - len;
-        truncate_setsize(inode, new_size);
+        i_size_write(inode, new_size);
        EXT4_I(inode)->i_disksize = new_size;
-        ext4_discard_preallocations(inode);
        up_write(&EXT4_I(inode)->i_data_sem);
        if (IS_SYNC(inode))
                ext4_handle_sync(handle);
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index 0a014a7194b2..0ebc21204b51 100644
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -810,7 +810,7 @@ retry:
                        newes.es_lblk = end + 1;
                        newes.es_len = len2;
-                        block = 0x7FDEADBEEF;
+                        block = 0x7FDEADBEEFULL;
                        if (ext4_es_is_written(&orig_es) ||
                            ext4_es_is_unwritten(&orig_es))
                                block = ext4_es_pblock(&orig_es) +
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index ca7502d89fde..063fc1538355 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -82,7 +82,7 @@ ext4_unaligned_aio(struct inode *inode, const struct iovec *iov,
        size_t count = iov_length(iov, nr_segs);
        loff_t final_size = pos + count;
-        if (pos >= inode->i_size)
+        if (pos >= i_size_read(inode))
                return 0;
        if ((pos & blockmask) || (final_size & blockmask))
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 5b0d2c7d5408..d7b7462a0e13 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -522,6 +522,10 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
        if (unlikely(map->m_len > INT_MAX))
                map->m_len = INT_MAX;
+        /* We can handle the block number less than EXT_MAX_BLOCKS */
+        if (unlikely(map->m_lblk >= EXT_MAX_BLOCKS))
+                return -EIO;
        /* Lookup extent status tree firstly */
        if (ext4_es_lookup_extent(inode, map->m_lblk, &es)) {
                ext4_es_lru_add(inode);
@@ -2243,13 +2247,23 @@ static int mpage_map_and_submit_extent(handle_t *handle,
                        return err;
        } while (map->m_len);
-        /* Update on-disk size after IO is submitted */
+        /*
+         * Update on-disk size after IO is submitted.  Races with
+         * truncate are avoided by checking i_size under i_data_sem.
+         */
        disksize = ((loff_t)mpd->first_page) << PAGE_CACHE_SHIFT;
        if (disksize > EXT4_I(inode)->i_disksize) {
                int err2;
+                loff_t i_size;
-                ext4_wb_update_i_disksize(inode, disksize);
+                down_write(&EXT4_I(inode)->i_data_sem);
+                i_size = i_size_read(inode);
+                if (disksize > i_size)
+                        disksize = i_size;
+                if (disksize > EXT4_I(inode)->i_disksize)
+                        EXT4_I(inode)->i_disksize = disksize;
                err2 = ext4_mark_inode_dirty(handle, inode);
+                up_write(&EXT4_I(inode)->i_data_sem);
                if (err2)
                        ext4_error(inode->i_sb,
                                   "Failed to mark inode %lu dirty",
@@ -3527,15 +3541,6 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
        }
        mutex_lock(&inode->i_mutex);
-        /* It's not possible punch hole on append only file */
-        if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) {
-                ret = -EPERM;
-                goto out_mutex;
-        }
-        if (IS_SWAPFILE(inode)) {
-                ret = -ETXTBSY;
-                goto out_mutex;
-        }
        /* No need to punch hole beyond i_size */
        if (offset >= inode->i_size)
@@ -3616,7 +3621,6 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
                ret = ext4_free_hole_blocks(handle, inode, first_block,
                                            stop_block);
-        ext4_discard_preallocations(inode);
        up_write(&EXT4_I(inode)->i_data_sem);
        if (IS_SYNC(inode))
                ext4_handle_sync(handle);
@@ -4423,21 +4427,20 @@ out_brelse:
 *
 * We are called from a few places:
 *
- * - Within generic_file_write() for O_SYNC files.
+ * - Within generic_file_aio_write() -> generic_write_sync() for O_SYNC files.
 *   Here, there will be no transaction running. We wait for any running
 *   transaction to commit.
 *
- * - Within sys_sync(), kupdate and such.
+ * - Within flush work (sys_sync(), kupdate and such).
- *   We wait on commit, if tol to.
+ *   We wait on commit, if told to.
 *
- * - Within prune_icache() (PF_MEMALLOC == true)
+ * - Within iput_final() -> write_inode_now()
- *   Here we simply return.  We can't afford to block kswapd on the
+ *   We wait on commit, if told to.
- *   journal commit.
 *
 * In all cases it is actually safe for us to return without doing anything,
 * because the inode has been copied into a raw inode buffer in
- * ext4_mark_inode_dirty().  This is a correctness thing for O_SYNC and for
+ * ext4_mark_inode_dirty().  This is a correctness thing for WB_SYNC_ALL
- * knfsd.
+ * writeback.
 *
 * Note that we are absolutely dependent upon all inode dirtiers doing the
 * right thing: they *must* call mark_inode_dirty() after dirtying info in
@@ -4449,15 +4452,15 @@ out_brelse:
 *      stuff();
 *      inode->i_size = expr;
 *
- * is in error because a kswapd-driven write_inode() could occur while
+ * is in error because write_inode() could occur while `stuff()' is running,
- * `stuff()' is running, and the new i_size will be lost.  Plus the inode
+ * and the new i_size will be lost.  Plus the inode will no longer be on the
- * will no longer be on the superblock's dirty inode list.
+ * superblock's dirty inode list.
 */
 int ext4_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
        int err;
-        if (current->flags & PF_MEMALLOC)
+        if (WARN_ON_ONCE(current->flags & PF_MEMALLOC))
                return 0;
        if (EXT4_SB(inode->i_sb)->s_journal) {
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index a888cac76e9c..c8238a26818c 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -989,7 +989,7 @@ static int ext4_mb_get_buddy_page_lock(struct super_block *sb,
        poff = block % blocks_per_page;
        page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS);
        if (!page)
-                return -EIO;
+                return -ENOMEM;
        BUG_ON(page->mapping != inode->i_mapping);
        e4b->bd_bitmap_page = page;
        e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize);
@@ -1003,7 +1003,7 @@ static int ext4_mb_get_buddy_page_lock(struct super_block *sb,
        pnum = block / blocks_per_page;
        page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS);
        if (!page)
-                return -EIO;
+                return -ENOMEM;
        BUG_ON(page->mapping != inode->i_mapping);
        e4b->bd_buddy_page = page;
        return 0;
@@ -1168,7 +1168,11 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
                        unlock_page(page);
                }
        }
-        if (page == NULL || !PageUptodate(page)) {
+        if (page == NULL) {
+                ret = -ENOMEM;
+                goto err;
+        }
+        if (!PageUptodate(page)) {
                ret = -EIO;
                goto err;
        }
@@ -1197,7 +1201,11 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
                        unlock_page(page);
                }
        }
-        if (page == NULL || !PageUptodate(page)) {
+        if (page == NULL) {
+                ret = -ENOMEM;
+                goto err;
+        }
+        if (!PageUptodate(page)) {
                ret = -EIO;
                goto err;
        }
@@ -5008,6 +5016,8 @@ error_return:
 */
 static int ext4_trim_extent(struct super_block *sb, int start, int count,
                             ext4_group_t group, struct ext4_buddy *e4b)
+__releases(bitlock)
+__acquires(bitlock)
 {
        struct ext4_free_extent ex;
        int ret = 0;
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index ab95508e3d40..c18d95b50540 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -308,13 +308,14 @@ static void ext4_end_bio(struct bio *bio, int error)
        if (error) {
                struct inode *inode = io_end->inode;
-                ext4_warning(inode->i_sb, "I/O error writing to inode %lu "
+                ext4_warning(inode->i_sb, "I/O error %d writing to inode %lu "
                             "(offset %llu size %ld starting block %llu)",
-                             inode->i_ino,
+                             error, inode->i_ino,
                             (unsigned long long) io_end->offset,
                             (long) io_end->size,
                             (unsigned long long)
                             bi_sector >> (inode->i_blkbits - 9));
+                mapping_set_error(inode->i_mapping, error);
        }
        if (io_end->flag & EXT4_IO_END_UNWRITTEN) {
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index f3c667091618..6f9e6fadac04 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3869,19 +3869,38 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                        goto failed_mount2;
                }
        }
+        /*
+         * set up enough so that it can read an inode,
+         * and create new inode for buddy allocator
+         */
+        sbi->s_gdb_count = db_count;
+        if (!test_opt(sb, NOLOAD) &&
+            EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL))
+                sb->s_op = &ext4_sops;
+        else
+                sb->s_op = &ext4_nojournal_sops;
+        ext4_ext_init(sb);
+        err = ext4_mb_init(sb);
+        if (err) {
+                ext4_msg(sb, KERN_ERR, "failed to initialize mballoc (%d)",
+                         err);
+                goto failed_mount2;
+        }
        if (!ext4_check_descriptors(sb, &first_not_zeroed)) {
                ext4_msg(sb, KERN_ERR, "group descriptors corrupted!");
-                goto failed_mount2;
+                goto failed_mount2a;
        }
        if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG))
                if (!ext4_fill_flex_info(sb)) {
                        ext4_msg(sb, KERN_ERR,
                               "unable to initialize "
                               "flex_bg meta info!");
-                        goto failed_mount2;
+                        goto failed_mount2a;
                }
-        sbi->s_gdb_count = db_count;
        get_random_bytes(&sbi->s_next_generation, sizeof(u32));
        spin_lock_init(&sbi->s_next_gen_lock);
@@ -3916,14 +3935,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
        sbi->s_stripe = ext4_get_stripe_size(sbi);
        sbi->s_extent_max_zeroout_kb = 32;
-        /*
-         * set up enough so that it can read an inode
-         */
-        if (!test_opt(sb, NOLOAD) &&
-            EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL))
-                sb->s_op = &ext4_sops;
-        else
-                sb->s_op = &ext4_nojournal_sops;
        sb->s_export_op = &ext4_export_ops;
        sb->s_xattr = ext4_xattr_handlers;
 #ifdef CONFIG_QUOTA
@@ -4113,21 +4124,13 @@ no_journal:
        if (err) {
                ext4_msg(sb, KERN_ERR, "failed to reserve %llu clusters for "
                         "reserved pool", ext4_calculate_resv_clusters(sb));
-                goto failed_mount4a;
+                goto failed_mount5;
        }
        err = ext4_setup_system_zone(sb);
        if (err) {
                ext4_msg(sb, KERN_ERR, "failed to initialize system "
                         "zone (%d)", err);
-                goto failed_mount4a;
-        }
-        ext4_ext_init(sb);
-        err = ext4_mb_init(sb);
-        if (err) {
-                ext4_msg(sb, KERN_ERR, "failed to initialize mballoc (%d)",
-                         err);
                goto failed_mount5;
        }
@@ -4204,11 +4207,8 @@ failed_mount8:
 failed_mount7:
        ext4_unregister_li_request(sb);
 failed_mount6:
-        ext4_mb_release(sb);
-failed_mount5:
-        ext4_ext_release(sb);
        ext4_release_system_zone(sb);
-failed_mount4a:
+failed_mount5:
        dput(sb->s_root);
        sb->s_root = NULL;
 failed_mount4:
@@ -4232,11 +4232,14 @@ failed_mount3:
        percpu_counter_destroy(&sbi->s_extent_cache_cnt);
        if (sbi->s_mmp_tsk)
                kthread_stop(sbi->s_mmp_tsk);
+failed_mount2a:
+        ext4_mb_release(sb);
 failed_mount2:
        for (i = 0; i < db_count; i++)
                brelse(sbi->s_group_desc[i]);
        ext4_kvfree(sbi->s_group_desc);
 failed_mount:
+        ext4_ext_release(sb);
        if (sbi->s_chksum_driver)
                crypto_free_shash(sbi->s_chksum_driver);
        if (sbi->s_proc) {
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 1f5cf5880718..4eec399ec807 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -520,8 +520,8 @@ static void ext4_xattr_update_super_block(handle_t *handle,
 }
 /*
- * Release the xattr block BH: If the reference count is > 1, decrement
+ * Release the xattr block BH: If the reference count is > 1, decrement it;
- * it; otherwise free the block.
+ * otherwise free the block.
 */
 static void
 ext4_xattr_release_block(handle_t *handle, struct inode *inode,
@@ -542,16 +542,31 @@ ext4_xattr_release_block(handle_t *handle, struct inode *inode,
                if (ce)
                        mb_cache_entry_free(ce);
                get_bh(bh);
+                unlock_buffer(bh);
                ext4_free_blocks(handle, inode, bh, 0, 1,
                                 EXT4_FREE_BLOCKS_METADATA |
                                 EXT4_FREE_BLOCKS_FORGET);
-                unlock_buffer(bh);
        } else {
                le32_add_cpu(&BHDR(bh)->h_refcount, -1);
                if (ce)
                        mb_cache_entry_release(ce);
+                /*
+                 * Beware of this ugliness: Releasing of xattr block references
+                 * from different inodes can race and so we have to protect
+                 * from a race where someone else frees the block (and releases
+                 * its journal_head) before we are done dirtying the buffer. In
+                 * nojournal mode this race is harmless and we actually cannot
+                 * call ext4_handle_dirty_xattr_block() with locked buffer as
+                 * that function can call sync_dirty_buffer() so for that case
+                 * we handle the dirtying after unlocking the buffer.
+                 */
+                if (ext4_handle_valid(handle))
+                        error = ext4_handle_dirty_xattr_block(handle, inode,
+                                                              bh);
                unlock_buffer(bh);
-                error = ext4_handle_dirty_xattr_block(handle, inode, bh);
+                if (!ext4_handle_valid(handle))
+                        error = ext4_handle_dirty_xattr_block(handle, inode,
+                                                              bh);
                if (IS_SYNC(inode))
                        ext4_handle_sync(handle);
                dquot_free_block(inode, EXT4_C2B(EXT4_SB(inode->i_sb), 1));
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 9ead1596399a..72c82f69b01b 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -274,15 +274,15 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg,
                break;
 #if BITS_PER_LONG != 32
        /* 32-bit arches must use fcntl64() */
-        case F_GETLKP:
+        case F_OFD_GETLK:
 #endif
        case F_GETLK:
                err = fcntl_getlk(filp, cmd, (struct flock __user *) arg);
                break;
 #if BITS_PER_LONG != 32
        /* 32-bit arches must use fcntl64() */
-        case F_SETLKP:
+        case F_OFD_SETLK:
-        case F_SETLKPW:
+        case F_OFD_SETLKW:
 #endif
                /* Fallthrough */
        case F_SETLK:
@@ -399,13 +399,13 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
        
        switch (cmd) {
        case F_GETLK64:
-        case F_GETLKP:
+        case F_OFD_GETLK:
                err = fcntl_getlk64(f.file, cmd, (struct flock64 __user *) arg);
                break;
        case F_SETLK64:
        case F_SETLKW64:
-        case F_SETLKP:
+        case F_OFD_SETLK:
-        case F_SETLKPW:
+        case F_OFD_SETLKW:
                err = fcntl_setlk64(fd, f.file, cmd,
                                (struct flock64 __user *) arg);
                break;
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index 43aa97988c31..a693f5b01ae6 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -232,9 +232,6 @@ static int kernfs_link_sibling(struct kernfs_node *kn)
        struct rb_node **node = &kn->parent->dir.children.rb_node;
        struct rb_node *parent = NULL;
-        if (kernfs_type(kn) == KERNFS_DIR)
-                kn->parent->dir.subdirs++;
        while (*node) {
                struct kernfs_node *pos;
                int result;
@@ -249,9 +246,15 @@ static int kernfs_link_sibling(struct kernfs_node *kn)
                else
                        return -EEXIST;
        }
        /* add new node and rebalance the tree */
        rb_link_node(&kn->rb, parent, node);
        rb_insert_color(&kn->rb, &kn->parent->dir.children);
+        /* successfully added, account subdir number */
+        if (kernfs_type(kn) == KERNFS_DIR)
+                kn->parent->dir.subdirs++;
        return 0;
 }
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
index 98bacd9ea7fd..40251cd741a0 100644
--- a/fs/kernfs/file.c
+++ b/fs/kernfs/file.c
@@ -485,6 +485,8 @@ static int kernfs_fop_mmap(struct file *file, struct vm_area_struct *vma)
        ops = kernfs_ops(of->kn);
        rc = ops->mmap(of, vma);
+        if (rc)
+                goto out_put;
        /*
         * PowerPC's pci_mmap of legacy_mem uses shmem_zero_setup()
diff --git a/fs/locks.c b/fs/locks.c
index 13fc7a6d380a..e663aeac579e 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -135,7 +135,7 @@
 #define IS_POSIX(fl)    (fl->fl_flags & FL_POSIX)
 #define IS_FLOCK(fl)    (fl->fl_flags & FL_FLOCK)
 #define IS_LEASE(fl)    (fl->fl_flags & (FL_LEASE|FL_DELEG))
-#define IS_FILE_PVT(fl) (fl->fl_flags & FL_FILE_PVT)
+#define IS_OFDLCK(fl)   (fl->fl_flags & FL_OFDLCK)
 static bool lease_breaking(struct file_lock *fl)
 {
@@ -564,7 +564,7 @@ static void __locks_insert_block(struct file_lock *blocker,
        BUG_ON(!list_empty(&waiter->fl_block));
        waiter->fl_next = blocker;
        list_add_tail(&waiter->fl_block, &blocker->fl_block);
-        if (IS_POSIX(blocker) && !IS_FILE_PVT(blocker))
+        if (IS_POSIX(blocker) && !IS_OFDLCK(blocker))
                locks_insert_global_blocked(waiter);
 }
@@ -759,12 +759,12 @@ EXPORT_SYMBOL(posix_test_lock);
 * of tasks (such as posix threads) sharing the same open file table.
 * To handle those cases, we just bail out after a few iterations.
 *
- * For FL_FILE_PVT locks, the owner is the filp, not the files_struct.
+ * For FL_OFDLCK locks, the owner is the filp, not the files_struct.
 * Because the owner is not even nominally tied to a thread of
 * execution, the deadlock detection below can't reasonably work well. Just
 * skip it for those.
 *
- * In principle, we could do a more limited deadlock detection on FL_FILE_PVT
+ * In principle, we could do a more limited deadlock detection on FL_OFDLCK
 * locks that just checks for the case where two tasks are attempting to
 * upgrade from read to write locks on the same inode.
 */
@@ -791,9 +791,9 @@ static int posix_locks_deadlock(struct file_lock *caller_fl,
        /*
         * This deadlock detector can't reasonably detect deadlocks with
-         * FL_FILE_PVT locks, since they aren't owned by a process, per-se.
+         * FL_OFDLCK locks, since they aren't owned by a process, per-se.
         */
-        if (IS_FILE_PVT(caller_fl))
+        if (IS_OFDLCK(caller_fl))
                return 0;
        while ((block_fl = what_owner_is_waiting_for(block_fl))) {
@@ -1391,11 +1391,10 @@ int __break_lease(struct inode *inode, unsigned int mode, unsigned int type)
 restart:
        break_time = flock->fl_break_time;
-        if (break_time != 0) {
+        if (break_time != 0)
                break_time -= jiffies;
-                if (break_time == 0)
+        if (break_time == 0)
-                        break_time++;
+                break_time++;
-        }
        locks_insert_block(flock, new_fl);
        spin_unlock(&inode->i_lock);
        error = wait_event_interruptible_timeout(new_fl->fl_wait,
@@ -1891,7 +1890,7 @@ EXPORT_SYMBOL_GPL(vfs_test_lock);
 static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)
 {
-        flock->l_pid = IS_FILE_PVT(fl) ? -1 : fl->fl_pid;
+        flock->l_pid = IS_OFDLCK(fl) ? -1 : fl->fl_pid;
 #if BITS_PER_LONG == 32
        /*
         * Make sure we can represent the posix lock via
@@ -1913,7 +1912,7 @@ static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl)
 #if BITS_PER_LONG == 32
 static void posix_lock_to_flock64(struct flock64 *flock, struct file_lock *fl)
 {
-        flock->l_pid = IS_FILE_PVT(fl) ? -1 : fl->fl_pid;
+        flock->l_pid = IS_OFDLCK(fl) ? -1 : fl->fl_pid;
        flock->l_start = fl->fl_start;
        flock->l_len = fl->fl_end == OFFSET_MAX ? 0 :
                fl->fl_end - fl->fl_start + 1;
@@ -1942,13 +1941,13 @@ int fcntl_getlk(struct file *filp, unsigned int cmd, struct flock __user *l)
        if (error)
                goto out;
-        if (cmd == F_GETLKP) {
+        if (cmd == F_OFD_GETLK) {
                error = -EINVAL;
                if (flock.l_pid != 0)
                        goto out;
                cmd = F_GETLK;
-                file_lock.fl_flags |= FL_FILE_PVT;
+                file_lock.fl_flags |= FL_OFDLCK;
                file_lock.fl_owner = (fl_owner_t)filp;
        }
@@ -2074,25 +2073,25 @@ again:
        /*
         * If the cmd is requesting file-private locks, then set the
-         * FL_FILE_PVT flag and override the owner.
+         * FL_OFDLCK flag and override the owner.
         */
        switch (cmd) {
-        case F_SETLKP:
+        case F_OFD_SETLK:
                error = -EINVAL;
                if (flock.l_pid != 0)
                        goto out;
                cmd = F_SETLK;
-                file_lock->fl_flags |= FL_FILE_PVT;
+                file_lock->fl_flags |= FL_OFDLCK;
                file_lock->fl_owner = (fl_owner_t)filp;
                break;
-        case F_SETLKPW:
+        case F_OFD_SETLKW:
                error = -EINVAL;
                if (flock.l_pid != 0)
                        goto out;
                cmd = F_SETLKW;
-                file_lock->fl_flags |= FL_FILE_PVT;
+                file_lock->fl_flags |= FL_OFDLCK;
                file_lock->fl_owner = (fl_owner_t)filp;
                /* Fallthrough */
        case F_SETLKW:
@@ -2144,13 +2143,13 @@ int fcntl_getlk64(struct file *filp, unsigned int cmd, struct flock64 __user *l)
        if (error)
                goto out;
-        if (cmd == F_GETLKP) {
+        if (cmd == F_OFD_GETLK) {
                error = -EINVAL;
                if (flock.l_pid != 0)
                        goto out;
                cmd = F_GETLK64;
-                file_lock.fl_flags |= FL_FILE_PVT;
+                file_lock.fl_flags |= FL_OFDLCK;
                file_lock.fl_owner = (fl_owner_t)filp;
        }
@@ -2209,25 +2208,25 @@ again:
        /*
         * If the cmd is requesting file-private locks, then set the
-         * FL_FILE_PVT flag and override the owner.
+         * FL_OFDLCK flag and override the owner.
         */
        switch (cmd) {
-        case F_SETLKP:
+        case F_OFD_SETLK:
                error = -EINVAL;
                if (flock.l_pid != 0)
                        goto out;
                cmd = F_SETLK64;
-                file_lock->fl_flags |= FL_FILE_PVT;
+                file_lock->fl_flags |= FL_OFDLCK;
                file_lock->fl_owner = (fl_owner_t)filp;
                break;
-        case F_SETLKPW:
+        case F_OFD_SETLKW:
                error = -EINVAL;
                if (flock.l_pid != 0)
                        goto out;
                cmd = F_SETLKW64;
-                file_lock->fl_flags |= FL_FILE_PVT;
+                file_lock->fl_flags |= FL_OFDLCK;
                file_lock->fl_owner = (fl_owner_t)filp;
                /* Fallthrough */
        case F_SETLKW64:
@@ -2413,8 +2412,8 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl,
        if (IS_POSIX(fl)) {
                if (fl->fl_flags & FL_ACCESS)
                        seq_printf(f, "ACCESS");
-                else if (IS_FILE_PVT(fl))
+                else if (IS_OFDLCK(fl))
-                        seq_printf(f, "FLPVT ");
+                        seq_printf(f, "OFDLCK");
                else
                        seq_printf(f, "POSIX ");
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 39c8ef875f91..2c73cae9899d 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -654,9 +654,11 @@ static struct rpc_clnt *create_backchannel_client(struct rpc_create_args *args)
 static int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *conn, struct nfsd4_session *ses)
 {
+        int maxtime = max_cb_time(clp->net);
        struct rpc_timeout      timeparms = {
-                .to_initval     = max_cb_time(clp->net),
+                .to_initval     = maxtime,
                .to_retries     = 0,
+                .to_maxval      = maxtime,
        };
        struct rpc_create_args args = {
                .net            = clp->net,
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 2723c1badd01..18881f34737a 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3627,14 +3627,6 @@ nfsd4_encode_operation(struct nfsd4_compoundres *resp, struct nfsd4_op *op)
        /* nfsd4_check_resp_size guarantees enough room for error status */
        if (!op->status)
                op->status = nfsd4_check_resp_size(resp, 0);
-        if (op->status == nfserr_resource && nfsd4_has_session(&resp->cstate)) {
-                struct nfsd4_slot *slot = resp->cstate.slot;
-                if (slot->sl_flags & NFSD4_SLOT_CACHETHIS)
-                        op->status = nfserr_rep_too_big_to_cache;
-                else
-                        op->status = nfserr_rep_too_big;
-        }
        if (so) {
                so->so_replay.rp_status = op->status;
                so->so_replay.rp_buflen = (char *)resp->p - (char *)(statp+1);
diff --git a/fs/open.c b/fs/open.c
index 3d30eb1fc95e..9d64679cec73 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -254,17 +254,22 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
                return -EBADF;
        /*
-         * It's not possible to punch hole or perform collapse range
+         * We can only allow pure fallocate on append only files
-         * on append only file
         */
-        if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_COLLAPSE_RANGE)
+        if ((mode & ~FALLOC_FL_KEEP_SIZE) && IS_APPEND(inode))
-            && IS_APPEND(inode))
                return -EPERM;
        if (IS_IMMUTABLE(inode))
                return -EPERM;
        /*
+         * We can not allow to do any fallocate operation on an active
+         * swapfile
+         */
+        if (IS_SWAPFILE(inode))
+                ret = -ETXTBSY;
+        /*
         * Revalidate the write permissions, in case security policy has
         * changed since the files were opened.
         */
@@ -286,14 +291,6 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
        if (((offset + len) > inode->i_sb->s_maxbytes) || ((offset + len) < 0))
                return -EFBIG;
-        /*
-         * There is no need to overlap collapse range with EOF, in which case
-         * it is effectively a truncate operation
-         */
-        if ((mode & FALLOC_FL_COLLAPSE_RANGE) &&
-            (offset + len >= i_size_read(inode)))
-                return -EINVAL;
        if (!file->f_op->fallocate)
                return -EOPNOTSUPP;
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 82afdcb33183..951a2321ee01 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -841,7 +841,15 @@ xfs_file_fallocate(
                        goto out_unlock;
                }
-                ASSERT(offset + len < i_size_read(inode));
+                /*
+                 * There is no need to overlap collapse range with EOF,
+                 * in which case it is effectively a truncate operation
+                 */
+                if (offset + len >= i_size_read(inode)) {
+                        error = -EINVAL;
+                        goto out_unlock;
+                }
                new_size = i_size_read(inode) - len;
                error = xfs_collapse_file_space(ip, offset, len);
diff --git a/include/asm-generic/word-at-a-time.h b/include/asm-generic/word-at-a-time.h
index d3909effd725..d96deb443f18 100644
--- a/include/asm-generic/word-at-a-time.h
+++ b/include/asm-generic/word-at-a-time.h
@@ -50,11 +50,7 @@ static inline bool has_zero(unsigned long val, unsigned long *data, const struct
 }
 #ifndef zero_bytemask
-#ifdef CONFIG_64BIT
+#define zero_bytemask(mask) (~0ul << __fls(mask) << 1)
-#define zero_bytemask(mask)     (~0ul << fls64(mask))
+#endif
-#else
-#define zero_bytemask(mask)     (~0ul << fls(mask))
-#endif /* CONFIG_64BIT */
-#endif /* zero_bytemask */
 #endif /* _ASM_WORD_AT_A_TIME_H */
diff --git a/include/dt-bindings/clock/tegra124-car.h b/include/dt-bindings/clock/tegra124-car.h
index 8c1603b10665..433528ab5161 100644
--- a/include/dt-bindings/clock/tegra124-car.h
+++ b/include/dt-bindings/clock/tegra124-car.h
@@ -29,7 +29,7 @@
 /* 10 (register bit affects spdif_in and spdif_out) */
 #define TEGRA124_CLK_I2S1 11
 #define TEGRA124_CLK_I2C1 12
-#define TEGRA124_CLK_NDFLASH 13
+/* 13 */
 #define TEGRA124_CLK_SDMMC1 14
 #define TEGRA124_CLK_SDMMC4 15
 /* 16 */
@@ -83,7 +83,7 @@
 /* 64 */
 #define TEGRA124_CLK_UARTD 65
-#define TEGRA124_CLK_UARTE 66
+/* 66 */
 #define TEGRA124_CLK_I2C3 67
 #define TEGRA124_CLK_SBC4 68
 #define TEGRA124_CLK_SDMMC3 69
@@ -97,7 +97,7 @@
 #define TEGRA124_CLK_TRACE 77
 #define TEGRA124_CLK_SOC_THERM 78
 #define TEGRA124_CLK_DTV 79
-#define TEGRA124_CLK_NDSPEED 80
+/* 80 */
 #define TEGRA124_CLK_I2CSLOW 81
 #define TEGRA124_CLK_DSIB 82
 #define TEGRA124_CLK_TSEC 83
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7a9c5bca2b76..878031227c57 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -815,7 +815,7 @@ static inline struct file *get_file(struct file *f)
 #define FL_SLEEP        128     /* A blocking lock */
 #define FL_DOWNGRADE_PENDING    256 /* Lease is being downgraded */
 #define FL_UNLOCK_PENDING       512 /* Lease is being broken */
-#define FL_FILE_PVT     1024    /* lock is private to the file */
+#define FL_OFDLCK       1024    /* lock is "owned" by struct file */
 /*
 * Special return value from posix_lock_file() and vfs_lock_file() for
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index c7bfac1c4a7b..8834a7e5b944 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -203,7 +203,40 @@ static inline int check_wakeup_irqs(void) { return 0; }
 extern cpumask_var_t irq_default_affinity;
-extern int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask);
+/* Internal implementation. Use the helpers below */
+extern int __irq_set_affinity(unsigned int irq, const struct cpumask *cpumask,
+                              bool force);
+/**
+ * irq_set_affinity - Set the irq affinity of a given irq
+ * @irq:        Interrupt to set affinity
+ * @mask:       cpumask
+ *
+ * Fails if cpumask does not contain an online CPU
+ */
+static inline int
+irq_set_affinity(unsigned int irq, const struct cpumask *cpumask)
+{
+        return __irq_set_affinity(irq, cpumask, false);
+}
+/**
+ * irq_force_affinity - Force the irq affinity of a given irq
+ * @irq:        Interrupt to set affinity
+ * @mask:       cpumask
+ *
+ * Same as irq_set_affinity, but without checking the mask against
+ * online cpus.
+ *
+ * Solely for low level cpu hotplug code, where we need to make per
+ * cpu interrupts affine before the cpu becomes online.
+ */
+static inline int
+irq_force_affinity(unsigned int irq, const struct cpumask *cpumask)
+{
+        return __irq_set_affinity(irq, cpumask, true);
+}
 extern int irq_can_set_affinity(unsigned int irq);
 extern int irq_select_affinity(unsigned int irq);
diff --git a/include/linux/irq.h b/include/linux/irq.h
index d278838908cb..10a0b1ac4ea0 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -394,7 +394,8 @@ extern void remove_percpu_irq(unsigned int irq, struct irqaction *act);
 extern void irq_cpu_online(void);
 extern void irq_cpu_offline(void);
-extern int __irq_set_affinity_locked(struct irq_data *data,  const struct cpumask *cpumask);
+extern int irq_set_affinity_locked(struct irq_data *data,
+                                   const struct cpumask *cpumask, bool force);
 #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_PENDING_IRQ)
 void irq_move_irq(struct irq_data *data);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 1de36be64df4..5ab4e3a76721 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -822,6 +822,7 @@ struct ata_port {
        unsigned long           qc_allocated;
        unsigned int            qc_active;
        int                     nr_active_links; /* #links with active qcs */
+        unsigned int            last_tag;       /* track next tag hw expects */
        struct ata_link         link;           /* host default link */
        struct ata_link         *slave_link;    /* see ata_slave_link_init() */
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index e2f5ca96cddc..2760744cb2a7 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -174,21 +174,29 @@ void devm_of_phy_provider_unregister(struct device *dev,
 #else
 static inline int phy_pm_runtime_get(struct phy *phy)
 {
+        if (!phy)
+                return 0;
        return -ENOSYS;
 }
 static inline int phy_pm_runtime_get_sync(struct phy *phy)
 {
+        if (!phy)
+                return 0;
        return -ENOSYS;
 }
 static inline int phy_pm_runtime_put(struct phy *phy)
 {
+        if (!phy)
+                return 0;
        return -ENOSYS;
 }
 static inline int phy_pm_runtime_put_sync(struct phy *phy)
 {
+        if (!phy)
+                return 0;
        return -ENOSYS;
 }
@@ -204,21 +212,29 @@ static inline void phy_pm_runtime_forbid(struct phy *phy)
 static inline int phy_init(struct phy *phy)
 {
+        if (!phy)
+                return 0;
        return -ENOSYS;
 }
 static inline int phy_exit(struct phy *phy)
 {
+        if (!phy)
+                return 0;
        return -ENOSYS;
 }
 static inline int phy_power_on(struct phy *phy)
 {
+        if (!phy)
+                return 0;
        return -ENOSYS;
 }
 static inline int phy_power_off(struct phy *phy)
 {
+        if (!phy)
+                return 0;
        return -ENOSYS;
 }
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index e530681bea70..1a4a8c157b31 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -258,14 +258,14 @@ regulator_get_exclusive(struct device *dev, const char *id)
 static inline struct regulator *__must_check
 regulator_get_optional(struct device *dev, const char *id)
 {
-        return NULL;
+        return ERR_PTR(-ENODEV);
 }
 static inline struct regulator *__must_check
 devm_regulator_get_optional(struct device *dev, const char *id)
 {
-        return NULL;
+        return ERR_PTR(-ENODEV);
 }
 static inline void regulator_put(struct regulator *regulator)
diff --git a/include/linux/serio.h b/include/linux/serio.h
index 36aac733840a..9f779c7a2da4 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -23,6 +23,7 @@ struct serio {
        char name[32];
        char phys[32];
+        char firmware_id[128];
        bool manual_bind;
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 1c3316a47d7e..036cccd80d9f 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -61,6 +61,7 @@ struct tty_bufhead {
        struct tty_buffer *head;        /* Queue head */
        struct work_struct work;
        struct mutex       lock;
+        spinlock_t         flush_lock;
        atomic_t           priority;
        struct tty_buffer sentinel;
        struct llist_head free;         /* Free queue head */
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 010ea89eeb0e..6a1a0245474f 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -16,15 +16,6 @@ struct mpage_da_data;
 struct ext4_map_blocks;
 struct extent_status;
-/* shim until we merge in the xfs_collapse_range branch */
-#ifndef FALLOC_FL_COLLAPSE_RANGE
-#define FALLOC_FL_COLLAPSE_RANGE        0x08
-#endif
-#ifndef FALLOC_FL_ZERO_RANGE
-#define FALLOC_FL_ZERO_RANGE           0x10
-#endif
 #define EXT4_I(inode) (container_of(inode, struct ext4_inode_info, vfs_inode))
 #define show_mballoc_flags(flags) __print_flags(flags, "|",     \
diff --git a/include/uapi/asm-generic/fcntl.h b/include/uapi/asm-generic/fcntl.h
index a9b13f8b3595..7543b3e51331 100644
--- a/include/uapi/asm-generic/fcntl.h
+++ b/include/uapi/asm-generic/fcntl.h
@@ -133,20 +133,20 @@
 #endif
 /*
- * fd "private" POSIX locks.
+ * Open File Description Locks
 *
- * Usually POSIX locks held by a process are released on *any* close and are
+ * Usually record locks held by a process are released on *any* close and are
 * not inherited across a fork().
 *
- * These cmd values will set locks that conflict with normal POSIX locks, but
+ * These cmd values will set locks that conflict with process-associated
- * are "owned" by the opened file, not the process. This means that they are
+ * record  locks, but are "owned" by the open file description, not the
- * inherited across fork() like BSD (flock) locks, and they are only released
+ * process. This means that they are inherited across fork() like BSD (flock)
- * automatically when the last reference to the the open file against which
+ * locks, and they are only released automatically when the last reference to
- * they were acquired is put.
+ * the the open file against which they were acquired is put.
 */
-#define F_GETLKP        36
+#define F_OFD_GETLK     36
-#define F_SETLKP        37
+#define F_OFD_SETLK     37
-#define F_SETLKPW       38
+#define F_OFD_SETLKW    38
 #define F_OWNER_TID     0
 #define F_OWNER_PID     1
diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
index bd24470d24a2..f4849525519c 100644
--- a/include/uapi/linux/input.h
+++ b/include/uapi/linux/input.h
@@ -164,6 +164,7 @@ struct input_keymap_entry {
 #define INPUT_PROP_DIRECT               0x01    /* direct input devices */
 #define INPUT_PROP_BUTTONPAD            0x02    /* has button(s) under pad */
 #define INPUT_PROP_SEMI_MT              0x03    /* touch rectangle only */
+#define INPUT_PROP_TOPBUTTONPAD         0x04    /* softbuttons at top of pad */
 #define INPUT_PROP_MAX                  0x1f
 #define INPUT_PROP_CNT                  (INPUT_PROP_MAX + 1)
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 2486a4c1a710..d34131ca372b 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -180,7 +180,7 @@ int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask,
        struct irq_chip *chip = irq_data_get_irq_chip(data);
        int ret;
-        ret = chip->irq_set_affinity(data, mask, false);
+        ret = chip->irq_set_affinity(data, mask, force);
        switch (ret) {
        case IRQ_SET_MASK_OK:
                cpumask_copy(data->affinity, mask);
@@ -192,7 +192,8 @@ int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask,
        return ret;
 }
-int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask)
+int irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask,
+                            bool force)
 {
        struct irq_chip *chip = irq_data_get_irq_chip(data);
        struct irq_desc *desc = irq_data_to_desc(data);
@@ -202,7 +203,7 @@ int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask)
                return -EINVAL;
        if (irq_can_move_pcntxt(data)) {
-                ret = irq_do_set_affinity(data, mask, false);
+                ret = irq_do_set_affinity(data, mask, force);
        } else {
                irqd_set_move_pending(data);
                irq_copy_pending(desc, mask);
@@ -217,13 +218,7 @@ int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask)
        return ret;
 }
-/**
+int __irq_set_affinity(unsigned int irq, const struct cpumask *mask, bool force)
- *      irq_set_affinity - Set the irq affinity of a given irq
- *      @irq:           Interrupt to set affinity
- *      @mask:          cpumask
- *
- */
-int irq_set_affinity(unsigned int irq, const struct cpumask *mask)
 {
        struct irq_desc *desc = irq_to_desc(irq);
        unsigned long flags;
@@ -233,7 +228,7 @@ int irq_set_affinity(unsigned int irq, const struct cpumask *mask)
                return -EINVAL;
        raw_spin_lock_irqsave(&desc->lock, flags);
-        ret =  __irq_set_affinity_locked(irq_desc_get_irq_data(desc), mask);
+        ret = irq_set_affinity_locked(irq_desc_get_irq_data(desc), mask, force);
        raw_spin_unlock_irqrestore(&desc->lock, flags);
        return ret;
 }
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index c3ad9cafe930..8233cd4047d7 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -14,6 +14,7 @@
 #include <linux/init.h>
 #include <linux/console.h>
 #include <linux/cpu.h>
+#include <linux/cpuidle.h>
 #include <linux/syscalls.h>
 #include <linux/gfp.h>
 #include <linux/io.h>
@@ -53,7 +54,9 @@ static void freeze_begin(void)
 static void freeze_enter(void)
 {
+        cpuidle_resume();
        wait_event(suspend_freeze_wait_head, suspend_freeze_wake);
+        cpuidle_pause();
 }
 void freeze_wake(void)
diff --git a/mm/memory.c b/mm/memory.c
index d0f0bef3be48..037b812a9531 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -232,17 +232,18 @@ void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long
 #endif
 }
-void tlb_flush_mmu(struct mmu_gather *tlb)
+static void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
 {
-        struct mmu_gather_batch *batch;
-        if (!tlb->need_flush)
-                return;
        tlb->need_flush = 0;
        tlb_flush(tlb);
 #ifdef CONFIG_HAVE_RCU_TABLE_FREE
        tlb_table_flush(tlb);
 #endif
+}
+static void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+        struct mmu_gather_batch *batch;
        for (batch = &tlb->local; batch; batch = batch->next) {
                free_pages_and_swap_cache(batch->pages, batch->nr);
@@ -251,6 +252,14 @@ void tlb_flush_mmu(struct mmu_gather *tlb)
        tlb->active = &tlb->local;
 }
+void tlb_flush_mmu(struct mmu_gather *tlb)
+{
+        if (!tlb->need_flush)
+                return;
+        tlb_flush_mmu_tlbonly(tlb);
+        tlb_flush_mmu_free(tlb);
+}
 /* tlb_finish_mmu
 *      Called at the end of the shootdown operation to free up any resources
 *      that were required.
@@ -1127,8 +1136,10 @@ again:
                        if (PageAnon(page))
                                rss[MM_ANONPAGES]--;
                        else {
-                                if (pte_dirty(ptent))
+                                if (pte_dirty(ptent)) {
+                                        force_flush = 1;
                                        set_page_dirty(page);
+                                }
                                if (pte_young(ptent) &&
                                    likely(!(vma->vm_flags & VM_SEQ_READ)))
                                        mark_page_accessed(page);
@@ -1137,9 +1148,10 @@ again:
                        page_remove_rmap(page);
                        if (unlikely(page_mapcount(page) < 0))
                                print_bad_pte(vma, addr, ptent, page);
-                        force_flush = !__tlb_remove_page(tlb, page);
+                        if (unlikely(!__tlb_remove_page(tlb, page))) {
-                        if (force_flush)
+                                force_flush = 1;
                                break;
+                        }
                        continue;
                }
                /*
@@ -1174,18 +1186,11 @@ again:
        add_mm_rss_vec(mm, rss);
        arch_leave_lazy_mmu_mode();
-        pte_unmap_unlock(start_pte, ptl);
-        /*
+        /* Do the actual TLB flush before dropping ptl */
-         * mmu_gather ran out of room to batch pages, we break out of
-         * the PTE lock to avoid doing the potential expensive TLB invalidate
-         * and page-free while holding it.
-         */
        if (force_flush) {
                unsigned long old_end;
-                force_flush = 0;
                /*
                 * Flush the TLB just for the previous segment,
                 * then update the range to be the remaining
@@ -1193,11 +1198,21 @@ again:
                 */
                old_end = tlb->end;
                tlb->end = addr;
+                tlb_flush_mmu_tlbonly(tlb);
-                tlb_flush_mmu(tlb);
                tlb->start = addr;
                tlb->end = old_end;
+        }
+        pte_unmap_unlock(start_pte, ptl);
+        /*
+         * If we forced a TLB flush (either due to running out of
+         * batch buffers or because we needed to flush dirty TLB
+         * entries before releasing the ptl), free the batched
+         * memory too. Restart if we didn't do everything.
+         */
+        if (force_flush) {
+                force_flush = 0;
+                tlb_flush_mmu_free(tlb);
                if (addr != end)
                        goto again;
@@ -1955,12 +1970,17 @@ int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,
                     unsigned long address, unsigned int fault_flags)
 {
        struct vm_area_struct *vma;
+        vm_flags_t vm_flags;
        int ret;
        vma = find_extend_vma(mm, address);
        if (!vma || address < vma->vm_start)
                return -EFAULT;
+        vm_flags = (fault_flags & FAULT_FLAG_WRITE) ? VM_WRITE : VM_READ;
+        if (!(vm_flags & vma->vm_flags))
+                return -EFAULT;
        ret = handle_mm_fault(mm, vma, address, fault_flags);
        if (ret & VM_FAULT_ERROR) {
                if (ret & VM_FAULT_OOM)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index b4beb77967b1..2c7341dbc5d6 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3317,9 +3317,9 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd,
        case F_GETLK:
        case F_SETLK:
        case F_SETLKW:
-        case F_GETLKP:
+        case F_OFD_GETLK:
-        case F_SETLKP:
+        case F_OFD_SETLK:
-        case F_SETLKPW:
+        case F_OFD_SETLKW:
 #if BITS_PER_LONG == 32
        case F_GETLK64:
        case F_SETLK64:
diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile
index d9186a2fdf06..c2c0f20067a5 100644
--- a/tools/power/acpi/Makefile
+++ b/tools/power/acpi/Makefile
@@ -89,15 +89,6 @@ else
        STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
 endif
-# if DEBUG is enabled, then we do not strip or optimize
-ifeq ($(strip $(DEBUG)),true)
-        CFLAGS += -O1 -g -DDEBUG
-        STRIPCMD = /bin/true -Since_we_are_debugging
-else
-        CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer
-        STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment
-endif
 # --- ACPIDUMP BEGIN ---
 vpath %.c \
@@ -128,7 +119,7 @@ clean:
        -rm -f $(OUTPUT)acpidump
 install-tools:
-        $(INSTALL) -d $(DESTDIR)${bindir}
+        $(INSTALL) -d $(DESTDIR)${sbindir}
        $(INSTALL_PROGRAM) $(OUTPUT)acpidump $(DESTDIR)${sbindir}
 install-man: