Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

193 files changed, 1306 insertions, 840 deletions

diff --git a/Documentation/filesystems/overlayfs.txt b/Documentation/filesystems/overlayfs.txt
index 530850a72735..a27c950ece61 100644
--- a/Documentation/filesystems/overlayfs.txt
+++ b/Documentation/filesystems/overlayfs.txt
@@ -64,7 +64,7 @@ is formed.
 At mount time, the two directories given as mount options "lowerdir" and
 "upperdir" are combined into a merged directory:
 
-  mount -t overlayfs overlayfs -olowerdir=/lower,upperdir=/upper,\
+  mount -t overlay overlay -olowerdir=/lower,upperdir=/upper,\
 workdir=/work /merged
 
 The "workdir" needs to be an empty directory on the same filesystem
diff --git a/Documentation/networking/timestamping.txt b/Documentation/networking/timestamping.txt
index 412f45ca2d73..1d6d02d6ba52 100644
--- a/Documentation/networking/timestamping.txt
+++ b/Documentation/networking/timestamping.txt
@@ -136,7 +136,7 @@ SOF_TIMESTAMPING_OPT_ID:
 
   This option is implemented only for transmit timestamps. There, the
   timestamp is always looped along with a struct sock_extended_err.
-  The option modifies field ee_info to pass an id that is unique
+  The option modifies field ee_data to pass an id that is unique
   among all possibly concurrently outstanding timestamp requests for
   that socket. In practice, it is a monotonically increasing u32
   (that wraps).
diff --git a/MAINTAINERS b/MAINTAINERS
index a545d68af54c..6b880deae3d2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6908,11 +6908,12 @@ F:	drivers/scsi/osd/
 F:      include/scsi/osd_*
 F:      fs/exofs/
 
-OVERLAYFS FILESYSTEM
+OVERLAY FILESYSTEM
 M:      Miklos Szeredi <miklos@szeredi.hu>
-L:      linux-fsdevel@vger.kernel.org
+L:      linux-unionfs@vger.kernel.org
+T:      git git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git
 S:      Supported
-F:      fs/overlayfs/*
+F:      fs/overlayfs/
 F:      Documentation/filesystems/overlayfs.txt
 
 P54 WIRELESS DRIVER
diff --git a/Makefile b/Makefile
index 00d618bbe8e7..2fd5c4e5c139 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 18
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
 NAME = Diseased Newt
 
 # *DOCUMENTATION*
diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
index e51fcef884a4..60429ad1c5d8 100644
--- a/arch/arm/boot/dts/exynos5250-snow.dts
+++ b/arch/arm/boot/dts/exynos5250-snow.dts
@@ -624,4 +624,8 @@
         num-cs = <1>;
 };
 
+&usbdrd_dwc3 {
+        dr_mode = "host";
+};
+
 #include "cros-ec-keyboard.dtsi"
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index f21b9aa00fbb..d55c1a2eb798 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -555,7 +555,7 @@
                 #size-cells = <1>;
                 ranges;
 
-                dwc3 {
+                usbdrd_dwc3: dwc3 {
                         compatible = "synopsys,dwc3";
                         reg = <0x12000000 0x10000>;
                         interrupts = <0 72 0>;
diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index d46c213a17ad..eed697a6bd6b 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -433,7 +433,7 @@
                         clocks = <&cpg_clocks R8A7740_CLK_S>,
                                  <&cpg_clocks R8A7740_CLK_S>, <&sub_clk>,
                                  <&cpg_clocks R8A7740_CLK_B>,
-                                 <&sub_clk>, <&sub_clk>,
+                                 <&cpg_clocks R8A7740_CLK_HPP>, <&sub_clk>,
                                  <&cpg_clocks R8A7740_CLK_B>;
                         #clock-cells = <1>;
                         renesas,clock-indices = <
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index d0e17733dc1a..e20affe156c1 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -666,9 +666,9 @@
                         #clock-cells = <0>;
                         clock-output-names = "sd2";
                 };
-                sd3_clk: sd3_clk@e615007c {
+                sd3_clk: sd3_clk@e615026c {
                         compatible = "renesas,r8a7790-div6-clock", "renesas,cpg-div6-clock";
-                        reg = <0 0xe615007c 0 4>;
+                        reg = <0 0xe615026c 0 4>;
                         clocks = <&pll1_div2_clk>;
                         #clock-cells = <0>;
                         clock-output-names = "sd3";
diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
index 543f895d18d3..2e652e2339e9 100644
--- a/arch/arm/boot/dts/sun6i-a31.dtsi
+++ b/arch/arm/boot/dts/sun6i-a31.dtsi
@@ -361,6 +361,10 @@
                         clocks = <&ahb1_gates 6>;
                         resets = <&ahb1_rst 6>;
                         #dma-cells = <1>;
+
+                        /* DMA controller requires AHB1 clocked from PLL6 */
+                        assigned-clocks = <&ahb1_mux>;
+                        assigned-clock-parents = <&pll6>;
                 };
 
                 mmc0: mmc@01c0f000 {
diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
index 5c21d216515a..8b7aa0dcdc6e 100644
--- a/arch/arm/boot/dts/tegra114-dalmore.dts
+++ b/arch/arm/boot/dts/tegra114-dalmore.dts
@@ -15,6 +15,7 @@
         aliases {
                 rtc0 = "/i2c@7000d000/tps65913@58";
                 rtc1 = "/rtc@7000e000";
+                serial0 = &uartd;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra114-roth.dts b/arch/arm/boot/dts/tegra114-roth.dts
index c7c6825f11fb..38acf78d7815 100644
--- a/arch/arm/boot/dts/tegra114-roth.dts
+++ b/arch/arm/boot/dts/tegra114-roth.dts
@@ -15,6 +15,10 @@
                 linux,initrd-end = <0x82800000>;
         };
 
+        aliases {
+                serial0 = &uartd;
+        };
+
         firmware {
                 trusted-foundations {
                         compatible = "tlm,trusted-foundations";
@@ -916,8 +920,6 @@
                                                 regulator-name = "vddio-sdmmc3";
                                                 regulator-min-microvolt = <1800000>;
                                                 regulator-max-microvolt = <3300000>;
-                                                regulator-always-on;
-                                                regulator-boot-on;
                                         };
 
                                         ldousb {
@@ -962,7 +964,7 @@
         sdhci@78000400 {
                 status = "okay";
                 bus-width = <4>;
-                vmmc-supply = <&vddio_sdmmc3>;
+                vqmmc-supply = <&vddio_sdmmc3>;
                 cd-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
                 power-gpios = <&gpio TEGRA_GPIO(H, 0) GPIO_ACTIVE_HIGH>;
         };
@@ -971,7 +973,6 @@
         sdhci@78000600 {
                 status = "okay";
                 bus-width = <8>;
-                vmmc-supply = <&vdd_1v8>;
                 non-removable;
         };
 
diff --git a/arch/arm/boot/dts/tegra114-tn7.dts b/arch/arm/boot/dts/tegra114-tn7.dts
index 963662145635..f91c2c9b2f94 100644
--- a/arch/arm/boot/dts/tegra114-tn7.dts
+++ b/arch/arm/boot/dts/tegra114-tn7.dts
@@ -15,6 +15,10 @@
                 linux,initrd-end = <0x82800000>;
         };
 
+        aliases {
+                serial0 = &uartd;
+        };
+
         firmware {
                 trusted-foundations {
                         compatible = "tlm,trusted-foundations";
@@ -240,7 +244,6 @@
         sdhci@78000600 {
                 status = "okay";
                 bus-width = <8>;
-                vmmc-supply = <&vdd_1v8>;
                 non-removable;
         };
 
diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
index 2ca9c1807f72..222f3b3f4dd5 100644
--- a/arch/arm/boot/dts/tegra114.dtsi
+++ b/arch/arm/boot/dts/tegra114.dtsi
@@ -9,13 +9,6 @@
         compatible = "nvidia,tegra114";
         interrupt-parent = <&gic>;
 
-        aliases {
-                serial0 = &uarta;
-                serial1 = &uartb;
-                serial2 = &uartc;
-                serial3 = &uartd;
-        };
-
         host1x@50000000 {
                 compatible = "nvidia,tegra114-host1x", "simple-bus";
                 reg = <0x50000000 0x00028000>;
diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
index 029c9a021541..51b373ff1065 100644
--- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
@@ -10,6 +10,7 @@
         aliases {
                 rtc0 = "/i2c@0,7000d000/pmic@40";
                 rtc1 = "/rtc@0,7000e000";
+                serial0 = &uartd;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra124-nyan-big.dts b/arch/arm/boot/dts/tegra124-nyan-big.dts
index 7d0784ce4c74..53181d310247 100644
--- a/arch/arm/boot/dts/tegra124-nyan-big.dts
+++ b/arch/arm/boot/dts/tegra124-nyan-big.dts
@@ -10,6 +10,7 @@
         aliases {
                 rtc0 = "/i2c@0,7000d000/pmic@40";
                 rtc1 = "/rtc@0,7000e000";
+                serial0 = &uarta;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index 13008858e967..5c3f7813360d 100644
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -10,6 +10,7 @@
         aliases {
                 rtc0 = "/i2c@0,7000d000/pmic@40";
                 rtc1 = "/rtc@0,7000e000";
+                serial0 = &uarta;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 478c555ebd96..df2b06b29985 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -286,7 +286,7 @@
          * the APB DMA based serial driver, the comptible is
          * "nvidia,tegra124-hsuart", "nvidia,tegra30-hsuart".
          */
-        serial@0,70006000 {
+        uarta: serial@0,70006000 {
                 compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
                 reg = <0x0 0x70006000 0x0 0x40>;
                 reg-shift = <2>;
@@ -299,7 +299,7 @@
                 status = "disabled";
         };
 
-        serial@0,70006040 {
+        uartb: serial@0,70006040 {
                 compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
                 reg = <0x0 0x70006040 0x0 0x40>;
                 reg-shift = <2>;
@@ -312,7 +312,7 @@
                 status = "disabled";
         };
 
-        serial@0,70006200 {
+        uartc: serial@0,70006200 {
                 compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
                 reg = <0x0 0x70006200 0x0 0x40>;
                 reg-shift = <2>;
@@ -325,7 +325,7 @@
                 status = "disabled";
         };
 
-        serial@0,70006300 {
+        uartd: serial@0,70006300 {
                 compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
                 reg = <0x0 0x70006300 0x0 0x40>;
                 reg-shift = <2>;
diff --git a/arch/arm/boot/dts/tegra20-harmony.dts b/arch/arm/boot/dts/tegra20-harmony.dts
index a37279af687c..b926a07b9443 100644
--- a/arch/arm/boot/dts/tegra20-harmony.dts
+++ b/arch/arm/boot/dts/tegra20-harmony.dts
@@ -10,6 +10,7 @@
         aliases {
                 rtc0 = "/i2c@7000d000/tps6586x@34";
                 rtc1 = "/rtc@7000e000";
+                serial0 = &uartd;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra20-iris-512.dts b/arch/arm/boot/dts/tegra20-iris-512.dts
index 8cfb83f42e1f..1dd7d7bfdfcc 100644
--- a/arch/arm/boot/dts/tegra20-iris-512.dts
+++ b/arch/arm/boot/dts/tegra20-iris-512.dts
@@ -6,6 +6,11 @@
         model = "Toradex Colibri T20 512MB on Iris";
         compatible = "toradex,iris", "toradex,colibri_t20-512", "nvidia,tegra20";
 
+        aliases {
+                serial0 = &uarta;
+                serial1 = &uartd;
+        };
+
         host1x@50000000 {
                 hdmi@54280000 {
                         status = "okay";
diff --git a/arch/arm/boot/dts/tegra20-medcom-wide.dts b/arch/arm/boot/dts/tegra20-medcom-wide.dts
index 1b7c56b33aca..9b87526ab0b7 100644
--- a/arch/arm/boot/dts/tegra20-medcom-wide.dts
+++ b/arch/arm/boot/dts/tegra20-medcom-wide.dts
@@ -6,6 +6,10 @@
         model = "Avionic Design Medcom-Wide board";
         compatible = "ad,medcom-wide", "ad,tamonten", "nvidia,tegra20";
 
+        aliases {
+                serial0 = &uartd;
+        };
+
         pwm@7000a000 {
                 status = "okay";
         };
diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
index d4438e30de45..ed7e1009326c 100644
--- a/arch/arm/boot/dts/tegra20-paz00.dts
+++ b/arch/arm/boot/dts/tegra20-paz00.dts
@@ -10,6 +10,8 @@
         aliases {
                 rtc0 = "/i2c@7000d000/tps6586x@34";
                 rtc1 = "/rtc@7000e000";
+                serial0 = &uarta;
+                serial1 = &uartc;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra20-seaboard.dts b/arch/arm/boot/dts/tegra20-seaboard.dts
index a1d4bf9895d7..ea282c7c0ca5 100644
--- a/arch/arm/boot/dts/tegra20-seaboard.dts
+++ b/arch/arm/boot/dts/tegra20-seaboard.dts
@@ -10,6 +10,7 @@
         aliases {
                 rtc0 = "/i2c@7000d000/tps6586x@34";
                 rtc1 = "/rtc@7000e000";
+                serial0 = &uartd;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi
index 80e7d386ce34..13d4e6185275 100644
--- a/arch/arm/boot/dts/tegra20-tamonten.dtsi
+++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi
@@ -7,6 +7,7 @@
         aliases {
                 rtc0 = "/i2c@7000d000/tps6586x@34";
                 rtc1 = "/rtc@7000e000";
+                serial0 = &uartd;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra20-trimslice.dts b/arch/arm/boot/dts/tegra20-trimslice.dts
index 5ad87979ab13..d99af4ef9c64 100644
--- a/arch/arm/boot/dts/tegra20-trimslice.dts
+++ b/arch/arm/boot/dts/tegra20-trimslice.dts
@@ -10,6 +10,7 @@
         aliases {
                 rtc0 = "/i2c@7000c500/rtc@56";
                 rtc1 = "/rtc@7000e000";
+                serial0 = &uarta;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts
index ca8484cccddc..04c58e9ca490 100644
--- a/arch/arm/boot/dts/tegra20-ventana.dts
+++ b/arch/arm/boot/dts/tegra20-ventana.dts
@@ -10,6 +10,7 @@
         aliases {
                 rtc0 = "/i2c@7000d000/tps6586x@34";
                 rtc1 = "/rtc@7000e000";
+                serial0 = &uartd;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra20-whistler.dts b/arch/arm/boot/dts/tegra20-whistler.dts
index 1843725785c9..340d81108df1 100644
--- a/arch/arm/boot/dts/tegra20-whistler.dts
+++ b/arch/arm/boot/dts/tegra20-whistler.dts
@@ -10,6 +10,7 @@
         aliases {
                 rtc0 = "/i2c@7000d000/max8907@3c";
                 rtc1 = "/rtc@7000e000";
+                serial0 = &uarta;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 3b374c49d04d..8acf5d85c99d 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -9,14 +9,6 @@
         compatible = "nvidia,tegra20";
         interrupt-parent = <&intc>;
 
-        aliases {
-                serial0 = &uarta;
-                serial1 = &uartb;
-                serial2 = &uartc;
-                serial3 = &uartd;
-                serial4 = &uarte;
-        };
-
         host1x@50000000 {
                 compatible = "nvidia,tegra20-host1x", "simple-bus";
                 reg = <0x50000000 0x00024000>;
diff --git a/arch/arm/boot/dts/tegra30-apalis-eval.dts b/arch/arm/boot/dts/tegra30-apalis-eval.dts
index 45d40f024585..6236bdecb48b 100644
--- a/arch/arm/boot/dts/tegra30-apalis-eval.dts
+++ b/arch/arm/boot/dts/tegra30-apalis-eval.dts
@@ -11,6 +11,10 @@
                 rtc0 = "/i2c@7000c000/rtc@68";
                 rtc1 = "/i2c@7000d000/tps65911@2d";
                 rtc2 = "/rtc@7000e000";
+                serial0 = &uarta;
+                serial1 = &uartb;
+                serial2 = &uartc;
+                serial3 = &uartd;
         };
 
         pcie-controller@00003000 {
diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index cee8f2246fdb..6b157eeabcc5 100644
--- a/arch/arm/boot/dts/tegra30-beaver.dts
+++ b/arch/arm/boot/dts/tegra30-beaver.dts
@@ -9,6 +9,7 @@
         aliases {
                 rtc0 = "/i2c@7000d000/tps65911@2d";
                 rtc1 = "/rtc@7000e000";
+                serial0 = &uarta;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi
index 206379546244..a1b682ea01bd 100644
--- a/arch/arm/boot/dts/tegra30-cardhu.dtsi
+++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi
@@ -30,6 +30,8 @@
         aliases {
                 rtc0 = "/i2c@7000d000/tps65911@2d";
                 rtc1 = "/rtc@7000e000";
+                serial0 = &uarta;
+                serial1 = &uartc;
         };
 
         memory {
diff --git a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
index 7793abd5bef1..4d3ddc585641 100644
--- a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
+++ b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
@@ -10,6 +10,9 @@
                 rtc0 = "/i2c@7000c000/rtc@68";
                 rtc1 = "/i2c@7000d000/tps65911@2d";
                 rtc2 = "/rtc@7000e000";
+                serial0 = &uarta;
+                serial1 = &uartb;
+                serial2 = &uartd;
         };
 
         host1x@50000000 {
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index aa6ccea13d30..b270b9e3d455 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -9,14 +9,6 @@
         compatible = "nvidia,tegra30";
         interrupt-parent = <&intc>;
 
-        aliases {
-                serial0 = &uarta;
-                serial1 = &uartb;
-                serial2 = &uartc;
-                serial3 = &uartd;
-                serial4 = &uarte;
-        };
-
         pcie-controller@00003000 {
                 compatible = "nvidia,tegra30-pcie";
                 device_type = "pci";
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 72058b8a6f4d..e21ef830a483 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -142,11 +142,13 @@ CONFIG_MMC_DW_IDMAC=y
 CONFIG_MMC_DW_EXYNOS=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_MAX77686=y
+CONFIG_RTC_DRV_MAX77802=y
 CONFIG_RTC_DRV_S5M=y
 CONFIG_RTC_DRV_S3C=y
 CONFIG_DMADEVICES=y
 CONFIG_PL330_DMA=y
 CONFIG_COMMON_CLK_MAX77686=y
+CONFIG_COMMON_CLK_MAX77802=y
 CONFIG_COMMON_CLK_S2MPS11=y
 CONFIG_EXYNOS_IOMMU=y
 CONFIG_IIO=y
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 3487046d8a78..9d7a32f93fcf 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -217,6 +217,7 @@ CONFIG_I2C_CADENCE=y
 CONFIG_I2C_DESIGNWARE_PLATFORM=y
 CONFIG_I2C_EXYNOS5=y
 CONFIG_I2C_MV64XXX=y
+CONFIG_I2C_S3C2410=y
 CONFIG_I2C_SIRF=y
 CONFIG_I2C_TEGRA=y
 CONFIG_I2C_ST=y
diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h
index fc44d3761f9e..ce73ab635414 100644
--- a/arch/arm/include/asm/thread_info.h
+++ b/arch/arm/include/asm/thread_info.h
@@ -44,16 +44,6 @@ struct cpu_context_save {
         __u32   extra[2];               /* Xscale 'acc' register, etc */
 };
 
-struct arm_restart_block {
-        union {
-                /* For user cache flushing */
-                struct {
-                        unsigned long start;
-                        unsigned long end;
-                } cache;
-        };
-};
-
 /*
  * low level task data that entry.S needs immediate access to.
  * __switch_to() assumes cpu_context follows immediately after cpu_domain.
@@ -79,7 +69,6 @@ struct thread_info {
         unsigned long           thumbee_state;  /* ThumbEE Handler Base register */
 #endif
         struct restart_block    restart_block;
-        struct arm_restart_block        arm_restart_block;
 };
 
 #define INIT_THREAD_INFO(tsk)                                           \
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 0c8b10801d36..9f5d81881eb6 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -533,8 +533,6 @@ static int bad_syscall(int n, struct pt_regs *regs)
         return regs->ARM_r0;
 }
 
-static long do_cache_op_restart(struct restart_block *);
-
 static inline int
 __do_cache_op(unsigned long start, unsigned long end)
 {
@@ -543,24 +541,8 @@ __do_cache_op(unsigned long start, unsigned long end)
         do {
                 unsigned long chunk = min(PAGE_SIZE, end - start);
 
-                if (signal_pending(current)) {
-                        struct thread_info *ti = current_thread_info();
-
-                        ti->restart_block = (struct restart_block) {
-                                .fn     = do_cache_op_restart,
-                        };
-
-                        ti->arm_restart_block = (struct arm_restart_block) {
-                                {
-                                        .cache = {
-                                                .start  = start,
-                                                .end    = end,
-                                        },
-                                },
-                        };
-
-                        return -ERESTART_RESTARTBLOCK;
-                }
+                if (fatal_signal_pending(current))
+                        return 0;
 
                 ret = flush_cache_user_range(start, start + chunk);
                 if (ret)
@@ -573,15 +555,6 @@ __do_cache_op(unsigned long start, unsigned long end)
         return 0;
 }
 
-static long do_cache_op_restart(struct restart_block *unused)
-{
-        struct arm_restart_block *restart_block;
-
-        restart_block = &current_thread_info()->arm_restart_block;
-        return __do_cache_op(restart_block->cache.start,
-                             restart_block->cache.end);
-}
-
 static inline int
 do_cache_op(unsigned long start, unsigned long end, int flags)
 {
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 57a403a5c22b..8664ff17cbbe 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -197,7 +197,8 @@ static void unmap_range(struct kvm *kvm, pgd_t *pgdp,
         pgd = pgdp + pgd_index(addr);
         do {
                 next = kvm_pgd_addr_end(addr, end);
-                unmap_puds(kvm, pgd, addr, next);
+                if (!pgd_none(*pgd))
+                        unmap_puds(kvm, pgd, addr, next);
         } while (pgd++, addr = next, addr != end);
 }
 
@@ -834,6 +835,11 @@ static bool kvm_is_write_fault(struct kvm_vcpu *vcpu)
         return kvm_vcpu_dabt_iswrite(vcpu);
 }
 
+static bool kvm_is_device_pfn(unsigned long pfn)
+{
+        return !pfn_valid(pfn);
+}
+
 static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
                           struct kvm_memory_slot *memslot, unsigned long hva,
                           unsigned long fault_status)
@@ -904,7 +910,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
         if (is_error_pfn(pfn))
                 return -EFAULT;
 
-        if (kvm_is_mmio_pfn(pfn))
+        if (kvm_is_device_pfn(pfn))
                 mem_type = PAGE_S2_DEVICE;
 
         spin_lock(&kvm->mmu_lock);
diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index 2bdc3233abe2..044b51185fcc 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -400,6 +400,8 @@ int __init coherency_init(void)
                  type == COHERENCY_FABRIC_TYPE_ARMADA_380)
                 armada_375_380_coherency_init(np);
 
+        of_node_put(np);
+
         return 0;
 }
 
diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c
index 0794f0426e70..19df9cb30495 100644
--- a/arch/arm/mach-shmobile/clock-r8a7740.c
+++ b/arch/arm/mach-shmobile/clock-r8a7740.c
@@ -455,7 +455,7 @@ enum {
         MSTP128, MSTP127, MSTP125,
         MSTP116, MSTP111, MSTP100, MSTP117,
 
-        MSTP230,
+        MSTP230, MSTP229,
         MSTP222,
         MSTP218, MSTP217, MSTP216, MSTP214,
         MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
@@ -474,11 +474,12 @@ static struct clk mstp_clks[MSTP_NR] = {
         [MSTP127] = SH_CLK_MSTP32(&div4_clks[DIV4_S],   SMSTPCR1, 27, 0), /* CEU20 */
         [MSTP125] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */
         [MSTP117] = SH_CLK_MSTP32(&div4_clks[DIV4_B],   SMSTPCR1, 17, 0), /* LCDC1 */
-        [MSTP116] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */
+        [MSTP116] = SH_CLK_MSTP32(&div4_clks[DIV4_HPP], SMSTPCR1, 16, 0), /* IIC0 */
         [MSTP111] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 11, 0), /* TMU1 */
         [MSTP100] = SH_CLK_MSTP32(&div4_clks[DIV4_B],   SMSTPCR1,  0, 0), /* LCDC0 */
 
         [MSTP230] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 30, 0), /* SCIFA6 */
+        [MSTP229] = SH_CLK_MSTP32(&div4_clks[DIV4_HP],  SMSTPCR2, 29, 0), /* INTCA */
         [MSTP222] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 22, 0), /* SCIFA7 */
         [MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP],  SMSTPCR2, 18, 0), /* DMAC1 */
         [MSTP217] = SH_CLK_MSTP32(&div4_clks[DIV4_HP],  SMSTPCR2, 17, 0), /* DMAC2 */
@@ -575,6 +576,10 @@ static struct clk_lookup lookups[] = {
         CLKDEV_DEV_ID("sh-dma-engine.0",        &mstp_clks[MSTP218]),
         CLKDEV_DEV_ID("sh-sci.7",               &mstp_clks[MSTP222]),
         CLKDEV_DEV_ID("e6cd0000.serial",        &mstp_clks[MSTP222]),
+        CLKDEV_DEV_ID("renesas_intc_irqpin.0",  &mstp_clks[MSTP229]),
+        CLKDEV_DEV_ID("renesas_intc_irqpin.1",  &mstp_clks[MSTP229]),
+        CLKDEV_DEV_ID("renesas_intc_irqpin.2",  &mstp_clks[MSTP229]),
+        CLKDEV_DEV_ID("renesas_intc_irqpin.3",  &mstp_clks[MSTP229]),
         CLKDEV_DEV_ID("sh-sci.6",               &mstp_clks[MSTP230]),
         CLKDEV_DEV_ID("e6cc0000.serial",        &mstp_clks[MSTP230]),
 
diff --git a/arch/arm/mach-shmobile/clock-r8a7790.c b/arch/arm/mach-shmobile/clock-r8a7790.c
index 126ddafad526..f62265200592 100644
--- a/arch/arm/mach-shmobile/clock-r8a7790.c
+++ b/arch/arm/mach-shmobile/clock-r8a7790.c
@@ -68,7 +68,7 @@
 
 #define SDCKCR          0xE6150074
 #define SD2CKCR         0xE6150078
-#define SD3CKCR         0xE615007C
+#define SD3CKCR         0xE615026C
 #define MMC0CKCR        0xE6150240
 #define MMC1CKCR        0xE6150244
 #define SSPCKCR         0xE6150248
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index b7bd8e509668..328657d011d5 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -26,6 +26,7 @@
 #include <linux/of_platform.h>
 #include <linux/delay.h>
 #include <linux/input.h>
+#include <linux/i2c/i2c-sh_mobile.h>
 #include <linux/io.h>
 #include <linux/serial_sci.h>
 #include <linux/sh_dma.h>
@@ -192,11 +193,18 @@ static struct resource i2c4_resources[] = {
         },
 };
 
+static struct i2c_sh_mobile_platform_data i2c_platform_data = {
+        .clks_per_count = 2,
+};
+
 static struct platform_device i2c0_device = {
         .name           = "i2c-sh_mobile",
         .id             = 0,
         .resource       = i2c0_resources,
         .num_resources  = ARRAY_SIZE(i2c0_resources),
+        .dev            = {
+                .platform_data  = &i2c_platform_data,
+        },
 };
 
 static struct platform_device i2c1_device = {
@@ -204,6 +212,9 @@ static struct platform_device i2c1_device = {
         .id             = 1,
         .resource       = i2c1_resources,
         .num_resources  = ARRAY_SIZE(i2c1_resources),
+        .dev            = {
+                .platform_data  = &i2c_platform_data,
+        },
 };
 
 static struct platform_device i2c2_device = {
@@ -211,6 +222,9 @@ static struct platform_device i2c2_device = {
         .id             = 2,
         .resource       = i2c2_resources,
         .num_resources  = ARRAY_SIZE(i2c2_resources),
+        .dev            = {
+                .platform_data  = &i2c_platform_data,
+        },
 };
 
 static struct platform_device i2c3_device = {
@@ -218,6 +232,9 @@ static struct platform_device i2c3_device = {
         .id             = 3,
         .resource       = i2c3_resources,
         .num_resources  = ARRAY_SIZE(i2c3_resources),
+        .dev            = {
+                .platform_data  = &i2c_platform_data,
+        },
 };
 
 static struct platform_device i2c4_device = {
@@ -225,6 +242,9 @@ static struct platform_device i2c4_device = {
         .id             = 4,
         .resource       = i2c4_resources,
         .num_resources  = ARRAY_SIZE(i2c4_resources),
+        .dev            = {
+                .platform_data  = &i2c_platform_data,
+        },
 };
 
 static const struct sh_dmae_slave_config sh73a0_dmae_slaves[] = {
diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
index da7be13aecce..ab95f5391a2b 100644
--- a/arch/arm/mach-tegra/irq.c
+++ b/arch/arm/mach-tegra/irq.c
@@ -99,42 +99,42 @@ static inline void tegra_irq_write_mask(unsigned int irq, unsigned long reg)
 
 static void tegra_mask(struct irq_data *d)
 {
-        if (d->irq < FIRST_LEGACY_IRQ)
+        if (d->hwirq < FIRST_LEGACY_IRQ)
                 return;
 
-        tegra_irq_write_mask(d->irq, ICTLR_CPU_IER_CLR);
+        tegra_irq_write_mask(d->hwirq, ICTLR_CPU_IER_CLR);
 }
 
 static void tegra_unmask(struct irq_data *d)
 {
-        if (d->irq < FIRST_LEGACY_IRQ)
+        if (d->hwirq < FIRST_LEGACY_IRQ)
                 return;
 
-        tegra_irq_write_mask(d->irq, ICTLR_CPU_IER_SET);
+        tegra_irq_write_mask(d->hwirq, ICTLR_CPU_IER_SET);
 }
 
 static void tegra_ack(struct irq_data *d)
 {
-        if (d->irq < FIRST_LEGACY_IRQ)
+        if (d->hwirq < FIRST_LEGACY_IRQ)
                 return;
 
-        tegra_irq_write_mask(d->irq, ICTLR_CPU_IEP_FIR_CLR);
+        tegra_irq_write_mask(d->hwirq, ICTLR_CPU_IEP_FIR_CLR);
 }
 
 static void tegra_eoi(struct irq_data *d)
 {
-        if (d->irq < FIRST_LEGACY_IRQ)
+        if (d->hwirq < FIRST_LEGACY_IRQ)
                 return;
 
-        tegra_irq_write_mask(d->irq, ICTLR_CPU_IEP_FIR_CLR);
+        tegra_irq_write_mask(d->hwirq, ICTLR_CPU_IEP_FIR_CLR);
 }
 
 static int tegra_retrigger(struct irq_data *d)
 {
-        if (d->irq < FIRST_LEGACY_IRQ)
+        if (d->hwirq < FIRST_LEGACY_IRQ)
                 return 0;
 
-        tegra_irq_write_mask(d->irq, ICTLR_CPU_IEP_FIR_SET);
+        tegra_irq_write_mask(d->hwirq, ICTLR_CPU_IEP_FIR_SET);
 
         return 1;
 }
@@ -142,7 +142,7 @@ static int tegra_retrigger(struct irq_data *d)
 #ifdef CONFIG_PM_SLEEP
 static int tegra_set_wake(struct irq_data *d, unsigned int enable)
 {
-        u32 irq = d->irq;
+        u32 irq = d->hwirq;
         u32 index, mask;
 
         if (irq < FIRST_LEGACY_IRQ ||
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index b3a947863ac7..22ac2a6fbfe3 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -270,7 +270,6 @@ __v7_pj4b_setup:
 /* Auxiliary Debug Modes Control 1 Register */
 #define PJ4B_STATIC_BP (1 << 2) /* Enable Static BP */
 #define PJ4B_INTER_PARITY (1 << 8) /* Disable Internal Parity Handling */
-#define PJ4B_BCK_OFF_STREX (1 << 5) /* Enable the back off of STREX instr */
 #define PJ4B_CLEAN_LINE (1 << 16) /* Disable data transfer for clean line */
 
 /* Auxiliary Debug Modes Control 2 Register */
@@ -293,7 +292,6 @@ __v7_pj4b_setup:
         /* Auxiliary Debug Modes Control 1 Register */
         mrc     p15, 1, r0, c15, c1, 1
         orr     r0, r0, #PJ4B_CLEAN_LINE
-        orr     r0, r0, #PJ4B_BCK_OFF_STREX
         orr     r0, r0, #PJ4B_INTER_PARITY
         bic     r0, r0, #PJ4B_STATIC_BP
         mcr     p15, 1, r0, c15, c1, 1
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index 23259f104c66..afa2b3c4df4a 100644
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -535,7 +535,7 @@ ENTRY(cpu_xscale_do_suspend)
         mrc     p15, 0, r5, c15, c1, 0  @ CP access reg
         mrc     p15, 0, r6, c13, c0, 0  @ PID
         mrc     p15, 0, r7, c3, c0, 0   @ domain ID
-        mrc     p15, 0, r8, c1, c1, 0   @ auxiliary control reg
+        mrc     p15, 0, r8, c1, c0, 1   @ auxiliary control reg
         mrc     p15, 0, r9, c1, c0, 0   @ control reg
         bic     r4, r4, #2              @ clear frequency change bit
         stmia   r0, {r4 - r9}           @ store cp regs
@@ -552,7 +552,7 @@ ENTRY(cpu_xscale_do_resume)
         mcr     p15, 0, r6, c13, c0, 0  @ PID
         mcr     p15, 0, r7, c3, c0, 0   @ domain ID
         mcr     p15, 0, r1, c2, c0, 0   @ translation table base addr
-        mcr     p15, 0, r8, c1, c1, 0   @ auxiliary control reg
+        mcr     p15, 0, r8, c1, c0, 1   @ auxiliary control reg
         mov     r0, r9                  @ control register
         b       cpu_resume_mmu
 ENDPROC(cpu_xscale_do_resume)
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 4cc3b719208e..3d7c2df89946 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -424,6 +424,11 @@ static const struct sys_reg_desc sys_reg_descs[] = {
         /* VBAR_EL1 */
         { Op0(0b11), Op1(0b000), CRn(0b1100), CRm(0b0000), Op2(0b000),
           NULL, reset_val, VBAR_EL1, 0 },
+
+        /* ICC_SRE_EL1 */
+        { Op0(0b11), Op1(0b000), CRn(0b1100), CRm(0b1100), Op2(0b101),
+          trap_raz_wi },
+
         /* CONTEXTIDR_EL1 */
         { Op0(0b11), Op1(0b000), CRn(0b1101), CRm(0b0000), Op2(0b001),
           access_vm_reg, reset_val, CONTEXTIDR_EL1, 0 },
@@ -690,6 +695,10 @@ static const struct sys_reg_desc cp15_regs[] = {
         { Op1( 0), CRn(10), CRm( 2), Op2( 1), access_vm_reg, NULL, c10_NMRR },
         { Op1( 0), CRn(10), CRm( 3), Op2( 0), access_vm_reg, NULL, c10_AMAIR0 },
         { Op1( 0), CRn(10), CRm( 3), Op2( 1), access_vm_reg, NULL, c10_AMAIR1 },
+
+        /* ICC_SRE */
+        { Op1( 0), CRn(12), CRm(12), Op2( 5), trap_raz_wi },
+
         { Op1( 0), CRn(13), CRm( 0), Op2( 1), access_vm_reg, NULL, c13_CID },
 };
 
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index ec6b9acb6bea..dbe46f43884d 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -1563,7 +1563,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
 
         for (i = 0; i < npages; i++) {
                 pfn = gfn_to_pfn(kvm, base_gfn + i);
-                if (!kvm_is_mmio_pfn(pfn)) {
+                if (!kvm_is_reserved_pfn(pfn)) {
                         kvm_set_pmt_entry(kvm, base_gfn + i,
                                         pfn << PAGE_SHIFT,
                                 _PAGE_AR_RWX | _PAGE_MA_WB);
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index f43aa536c517..9536ef912f59 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2101,9 +2101,17 @@ config 64BIT_PHYS_ADDR
 config ARCH_PHYS_ADDR_T_64BIT
        def_bool 64BIT_PHYS_ADDR
 
+choice
+        prompt "SmartMIPS or microMIPS ASE support"
+
+config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
+        bool "None"
+        help
+          Select this if you want neither microMIPS nor SmartMIPS support
+
 config CPU_HAS_SMARTMIPS
         depends on SYS_SUPPORTS_SMARTMIPS
-        bool "Support for the SmartMIPS ASE"
+        bool "SmartMIPS"
         help
           SmartMIPS is a extension of the MIPS32 architecture aimed at
           increased security at both hardware and software level for
@@ -2115,11 +2123,13 @@ config CPU_HAS_SMARTMIPS
 
 config CPU_MICROMIPS
         depends on SYS_SUPPORTS_MICROMIPS
-        bool "Build kernel using microMIPS ISA"
+        bool "microMIPS"
         help
           When this option is enabled the kernel will be built using the
           microMIPS ISA
 
+endchoice
+
 config CPU_HAS_MSA
         bool "Support for the MIPS SIMD Architecture (EXPERIMENTAL)"
         depends on CPU_SUPPORTS_MSA
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index b46cd220a018..22a135ac91de 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -661,6 +661,8 @@
 #define MIPS_CONF6_SYND         (_ULCAST_(1) << 13)
 /* proAptiv FTLB on/off bit */
 #define MIPS_CONF6_FTLBEN       (_ULCAST_(1) << 15)
+/* FTLB probability bits */
+#define MIPS_CONF6_FTLBP_SHIFT  (16)
 
 #define MIPS_CONF7_WII          (_ULCAST_(1) << 31)
 
diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h
index 4520adc8699b..cd6e0afc6833 100644
--- a/arch/mips/include/asm/r4kcache.h
+++ b/arch/mips/include/asm/r4kcache.h
@@ -257,7 +257,11 @@ static inline void protected_flush_icache_line(unsigned long addr)
  */
 static inline void protected_writeback_dcache_line(unsigned long addr)
 {
+#ifdef CONFIG_EVA
+        protected_cachee_op(Hit_Writeback_Inv_D, addr);
+#else
         protected_cache_op(Hit_Writeback_Inv_D, addr);
+#endif
 }
 
 static inline void protected_writeback_scache_line(unsigned long addr)
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index 133678ab4eb8..22a5624e2fd2 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -1422,7 +1422,7 @@ static inline long __strnlen_user(const char __user *s, long n)
 }
 
 /*
- * strlen_user: - Get the size of a string in user space.
+ * strnlen_user: - Get the size of a string in user space.
  * @str: The string to measure.
  *
  * Context: User context only.  This function may sleep.
@@ -1431,9 +1431,7 @@ static inline long __strnlen_user(const char __user *s, long n)
  *
  * Returns the size of the string INCLUDING the terminating NUL.
  * On exception, returns 0.
- *
- * If there is a limit on the length of a valid string, you may wish to
- * consider using strnlen_user() instead.
+ * If the string is too long, returns a value greater than @n.
  */
 static inline long strnlen_user(const char __user *s, long n)
 {
diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h
index 9dc58568f230..d001bb1ad177 100644
--- a/arch/mips/include/uapi/asm/unistd.h
+++ b/arch/mips/include/uapi/asm/unistd.h
@@ -1045,7 +1045,7 @@
 #define __NR_seccomp                    (__NR_Linux + 316)
 #define __NR_getrandom                  (__NR_Linux + 317)
 #define __NR_memfd_create               (__NR_Linux + 318)
-#define __NR_memfd_create               (__NR_Linux + 319)
+#define __NR_bpf                        (__NR_Linux + 319)
 
 /*
  * Offset of the last N32 flavoured syscall
diff --git a/arch/mips/kernel/bmips_vec.S b/arch/mips/kernel/bmips_vec.S
index 290c23b51678..86495072a922 100644
--- a/arch/mips/kernel/bmips_vec.S
+++ b/arch/mips/kernel/bmips_vec.S
@@ -208,7 +208,6 @@ bmips_reset_nmi_vec_end:
 END(bmips_reset_nmi_vec)
 
         .set    pop
-        .previous
 
 /***********************************************************************
  * CPU1 warm restart vector (used for second and subsequent boots).
@@ -281,5 +280,3 @@ LEAF(bmips_enable_xks01)
         jr      ra
 
 END(bmips_enable_xks01)
-
-        .previous
diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index e6e97d2a5c9e..0384b05ab5a0 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -229,6 +229,7 @@ LEAF(mips_cps_core_init)
          nop
 
         .set    push
+        .set    mips32r2
         .set    mt
 
         /* Only allow 1 TC per VPE to execute... */
@@ -345,6 +346,7 @@ LEAF(mips_cps_boot_vpes)
          nop
 
         .set    push
+        .set    mips32r2
         .set    mt
 
 1:      /* Enter VPE configuration state */
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index d5a4f380b019..dc49cf30c2db 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -193,6 +193,32 @@ static void set_isa(struct cpuinfo_mips *c, unsigned int isa)
 static char unknown_isa[] = KERN_ERR \
         "Unsupported ISA type, c0.config0: %d.";
 
+static unsigned int calculate_ftlb_probability(struct cpuinfo_mips *c)
+{
+
+        unsigned int probability = c->tlbsize / c->tlbsizevtlb;
+
+        /*
+         * 0 = All TLBWR instructions go to FTLB
+         * 1 = 15:1: For every 16 TBLWR instructions, 15 go to the
+         * FTLB and 1 goes to the VTLB.
+         * 2 = 7:1: As above with 7:1 ratio.
+         * 3 = 3:1: As above with 3:1 ratio.
+         *
+         * Use the linear midpoint as the probability threshold.
+         */
+        if (probability >= 12)
+                return 1;
+        else if (probability >= 6)
+                return 2;
+        else
+                /*
+                 * So FTLB is less than 4 times bigger than VTLB.
+                 * A 3:1 ratio can still be useful though.
+                 */
+                return 3;
+}
+
 static void set_ftlb_enable(struct cpuinfo_mips *c, int enable)
 {
         unsigned int config6;
@@ -203,9 +229,14 @@ static void set_ftlb_enable(struct cpuinfo_mips *c, int enable)
         case CPU_P5600:
                 /* proAptiv & related cores use Config6 to enable the FTLB */
                 config6 = read_c0_config6();
+                /* Clear the old probability value */
+                config6 &= ~(3 << MIPS_CONF6_FTLBP_SHIFT);
                 if (enable)
                         /* Enable FTLB */
-                        write_c0_config6(config6 | MIPS_CONF6_FTLBEN);
+                        write_c0_config6(config6 |
+                                         (calculate_ftlb_probability(c)
+                                          << MIPS_CONF6_FTLBP_SHIFT)
+                                         | MIPS_CONF6_FTLBEN);
                 else
                         /* Disable FTLB */
                         write_c0_config6(config6 &  ~MIPS_CONF6_FTLBEN);
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index 31b1b763cb29..c5c4fd54d797 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -94,12 +94,12 @@ int rtlx_open(int index, int can_sleep)
         int ret = 0;
 
         if (index >= RTLX_CHANNELS) {
-                pr_debug(KERN_DEBUG "rtlx_open index out of range\n");
+                pr_debug("rtlx_open index out of range\n");
                 return -ENOSYS;
         }
 
         if (atomic_inc_return(&channel_wqs[index].in_open) > 1) {
-                pr_debug(KERN_DEBUG "rtlx_open channel %d already opened\n", index);
+                pr_debug("rtlx_open channel %d already opened\n", index);
                 ret = -EBUSY;
                 goto out_fail;
         }
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index d21ec57b6e95..f3b635f86c39 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -485,7 +485,7 @@ static void __init bootmem_init(void)
  * NOTE: historically plat_mem_setup did the entire platform initialization.
  *       This was rather impractical because it meant plat_mem_setup had to
  * get away without any kind of memory allocator.  To keep old code from
- * breaking plat_setup was just renamed to plat_setup and a second platform
+ * breaking plat_setup was just renamed to plat_mem_setup and a second platform
  * initialization hook for anything else was introduced.
  */
 
@@ -493,7 +493,7 @@ static int usermem __initdata;
 
 static int __init early_parse_mem(char *p)
 {
-        unsigned long start, size;
+        phys_t start, size;
 
         /*
          * If a user specifies memory size, we
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 1d57605e4615..16f1e4f2bf3c 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -658,13 +658,13 @@ static int signal_setup(void)
                 save_fp_context = _save_fp_context;
                 restore_fp_context = _restore_fp_context;
         } else {
-                save_fp_context = copy_fp_from_sigcontext;
-                restore_fp_context = copy_fp_to_sigcontext;
+                save_fp_context = copy_fp_to_sigcontext;
+                restore_fp_context = copy_fp_from_sigcontext;
         }
 #endif /* CONFIG_SMP */
 #else
-        save_fp_context = copy_fp_from_sigcontext;;
-        restore_fp_context = copy_fp_to_sigcontext;
+        save_fp_context = copy_fp_to_sigcontext;
+        restore_fp_context = copy_fp_from_sigcontext;
 #endif
 
         return 0;
diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile
index 0bb9cc9dc621..d87e03330b29 100644
--- a/arch/mips/loongson/common/Makefile
+++ b/arch/mips/loongson/common/Makefile
@@ -11,7 +11,8 @@ obj-$(CONFIG_PCI) += pci.o
 # Serial port support
 #
 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-obj-$(CONFIG_SERIAL_8250) += serial.o
+loongson-serial-$(CONFIG_SERIAL_8250) := serial.o
+obj-y += $(loongson-serial-m) $(loongson-serial-y)
 obj-$(CONFIG_LOONGSON_UART_BASE) += uart_base.o
 obj-$(CONFIG_LOONGSON_MC146818) += rtc.o
 
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index b5f228e7eae6..e3328a96e809 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1872,8 +1872,16 @@ build_r4000_tlbchange_handler_head(u32 **p, struct uasm_label **l,
         uasm_l_smp_pgtable_change(l, *p);
 #endif
         iPTE_LW(p, wr.r1, wr.r2); /* get even pte */
-        if (!m4kc_tlbp_war())
+        if (!m4kc_tlbp_war()) {
                 build_tlb_probe_entry(p);
+                if (cpu_has_htw) {
+                        /* race condition happens, leaving */
+                        uasm_i_ehb(p);
+                        uasm_i_mfc0(p, wr.r3, C0_INDEX);
+                        uasm_il_bltz(p, r, wr.r3, label_leave);
+                        uasm_i_nop(p);
+                }
+        }
         return wr;
 }
 
diff --git a/arch/mips/mti-sead3/sead3-leds.c b/arch/mips/mti-sead3/sead3-leds.c
index 20102a6d4141..c427c5778186 100644
--- a/arch/mips/mti-sead3/sead3-leds.c
+++ b/arch/mips/mti-sead3/sead3-leds.c
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
  */
-#include <linux/module.h>
+#include <linux/init.h>
 #include <linux/leds.h>
 #include <linux/platform_device.h>
 
@@ -76,8 +76,4 @@ static int __init led_init(void)
         return platform_device_register(&fled_device);
 }
 
-module_init(led_init);
-
-MODULE_AUTHOR("Chris Dearman <chris@mips.com>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("LED probe driver for SEAD-3");
+device_initcall(led_init);
diff --git a/arch/mips/netlogic/xlp/Makefile b/arch/mips/netlogic/xlp/Makefile
index be358a8050c5..6b43af0a34d9 100644
--- a/arch/mips/netlogic/xlp/Makefile
+++ b/arch/mips/netlogic/xlp/Makefile
@@ -1,6 +1,10 @@
 obj-y                           += setup.o nlm_hal.o cop2-ex.o dt.o
 obj-$(CONFIG_SMP)               += wakeup.o
-obj-$(CONFIG_USB)               += usb-init.o
-obj-$(CONFIG_USB)               += usb-init-xlp2.o
-obj-$(CONFIG_SATA_AHCI)         += ahci-init.o
-obj-$(CONFIG_SATA_AHCI)         += ahci-init-xlp2.o
+ifdef CONFIG_USB
+obj-y                           += usb-init.o
+obj-y                           += usb-init-xlp2.o
+endif
+ifdef CONFIG_SATA_AHCI
+obj-y                           += ahci-init.o
+obj-y                           += ahci-init-xlp2.o
+endif
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 4ca90a39d6d0..725247beebec 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -159,8 +159,6 @@ struct pci_dn {
 
         int     pci_ext_config_space;   /* for pci devices */
 
-        bool    force_32bit_msi;
-
         struct  pci_dev *pcidev;        /* back-pointer to the pci device */
 #ifdef CONFIG_EEH
         struct eeh_dev *edev;           /* eeh device */
diff --git a/arch/powerpc/kernel/eeh_sysfs.c b/arch/powerpc/kernel/eeh_sysfs.c
index f19b1e5cb060..1ceecdda810b 100644
--- a/arch/powerpc/kernel/eeh_sysfs.c
+++ b/arch/powerpc/kernel/eeh_sysfs.c
@@ -65,7 +65,7 @@ static ssize_t eeh_pe_state_show(struct device *dev,
                 return -ENODEV;
 
         state = eeh_ops->get_state(edev->pe, NULL);
-        return sprintf(buf, "%0x08x %0x08x\n",
+        return sprintf(buf, "0x%08x 0x%08x\n",
                        state, edev->pe->state);
 }
 
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 155013da27e0..b15194e2c5fc 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -266,13 +266,3 @@ int pcibus_to_node(struct pci_bus *bus)
 }
 EXPORT_SYMBOL(pcibus_to_node);
 #endif
-
-static void quirk_radeon_32bit_msi(struct pci_dev *dev)
-{
-        struct pci_dn *pdn = pci_get_pdn(dev);
-
-        if (pdn)
-                pdn->force_32bit_msi = true;
-}
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x68f2, quirk_radeon_32bit_msi);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0xaa68, quirk_radeon_32bit_msi);
diff --git a/arch/powerpc/kernel/vdso32/getcpu.S b/arch/powerpc/kernel/vdso32/getcpu.S
index 23eb9a9441bd..c62be60c7274 100644
--- a/arch/powerpc/kernel/vdso32/getcpu.S
+++ b/arch/powerpc/kernel/vdso32/getcpu.S
@@ -30,8 +30,8 @@
 V_FUNCTION_BEGIN(__kernel_getcpu)
   .cfi_startproc
         mfspr   r5,SPRN_SPRG_VDSO_READ
-        cmpdi   cr0,r3,0
-        cmpdi   cr1,r4,0
+        cmpwi   cr0,r3,0
+        cmpwi   cr1,r4,0
         clrlwi  r6,r5,16
         rlwinm  r7,r5,16,31-15,31-0
         beq     cr0,1f
diff --git a/arch/powerpc/platforms/powernv/opal-hmi.c b/arch/powerpc/platforms/powernv/opal-hmi.c
index 5e1ed1575aab..b322bfb51343 100644
--- a/arch/powerpc/platforms/powernv/opal-hmi.c
+++ b/arch/powerpc/platforms/powernv/opal-hmi.c
@@ -57,7 +57,7 @@ static void print_hmi_event_info(struct OpalHMIEvent *hmi_evt)
         };
 
         /* Print things out */
-        if (hmi_evt->version != OpalHMIEvt_V1) {
+        if (hmi_evt->version < OpalHMIEvt_V1) {
                 pr_err("HMI Interrupt, Unknown event version %d !\n",
                         hmi_evt->version);
                 return;
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 468a0f23c7f2..3ba435ec3dcd 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1509,7 +1509,6 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev,
                                   unsigned int is_64, struct msi_msg *msg)
 {
         struct pnv_ioda_pe *pe = pnv_ioda_get_pe(dev);
-        struct pci_dn *pdn = pci_get_pdn(dev);
         unsigned int xive_num = hwirq - phb->msi_base;
         __be32 data;
         int rc;
@@ -1523,7 +1522,7 @@ static int pnv_pci_ioda_msi_setup(struct pnv_phb *phb, struct pci_dev *dev,
                 return -ENXIO;
 
         /* Force 32-bit MSI on some broken devices */
-        if (pdn && pdn->force_32bit_msi)
+        if (dev->no_64bit_msi)
                 is_64 = 0;
 
         /* Assign XIVE to PE */
@@ -1997,7 +1996,7 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
         if (is_kdump_kernel()) {
                 pr_info("  Issue PHB reset ...\n");
                 ioda_eeh_phb_reset(hose, EEH_RESET_FUNDAMENTAL);
-                ioda_eeh_phb_reset(hose, OPAL_DEASSERT_RESET);
+                ioda_eeh_phb_reset(hose, EEH_RESET_DEACTIVATE);
         }
 
         /* Configure M64 window */
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index b2187d0068b8..4b20f2c6b3b2 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -50,7 +50,6 @@ static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 {
         struct pci_controller *hose = pci_bus_to_host(pdev->bus);
         struct pnv_phb *phb = hose->private_data;
-        struct pci_dn *pdn = pci_get_pdn(pdev);
         struct msi_desc *entry;
         struct msi_msg msg;
         int hwirq;
@@ -60,7 +59,7 @@ static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
         if (WARN_ON(!phb) || !phb->msi_bmp.bitmap)
                 return -ENODEV;
 
-        if (pdn && pdn->force_32bit_msi && !phb->msi32_support)
+        if (pdev->no_64bit_msi && !phb->msi32_support)
                 return -ENODEV;
 
         list_for_each_entry(entry, &pdev->msi_list, list) {
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 8ab5add4ac82..8b909e94fd9a 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -420,7 +420,7 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec_in, int type)
          */
 again:
         if (type == PCI_CAP_ID_MSI) {
-                if (pdn->force_32bit_msi) {
+                if (pdev->no_64bit_msi) {
                         rc = rtas_change_msi(pdn, RTAS_CHANGE_32MSI_FN, nvec);
                         if (rc < 0) {
                                 /*
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index b988b5addf86..c8efbb37d6e0 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -293,10 +293,10 @@ static inline void disable_surveillance(void)
         args.token = rtas_token("set-indicator");
         if (args.token == RTAS_UNKNOWN_SERVICE)
                 return;
-        args.nargs = 3;
-        args.nret = 1;
+        args.nargs = cpu_to_be32(3);
+        args.nret = cpu_to_be32(1);
         args.rets = &args.args[3];
-        args.args[0] = SURVEILLANCE_TOKEN;
+        args.args[0] = cpu_to_be32(SURVEILLANCE_TOKEN);
         args.args[1] = 0;
         args.args[2] = 0;
         enter_rtas(__pa(&args));
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 5b1b52a04ad6..7e064c68c5ec 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -12,6 +12,14 @@ int dma_supported(struct device *dev, u64 mask);
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
+static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+                                  enum dma_data_direction dir)
+{
+        /* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this
+         * routine can be a nop.
+         */
+}
+
 extern struct dma_map_ops *dma_ops;
 extern struct dma_map_ops *leon_dma_ops;
 extern struct dma_map_ops pci32_dma_ops;
diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h
index f48b17df4224..3a52ee0e726d 100644
--- a/arch/x86/include/asm/page_32_types.h
+++ b/arch/x86/include/asm/page_32_types.h
@@ -20,7 +20,6 @@
 #define THREAD_SIZE_ORDER       1
 #define THREAD_SIZE             (PAGE_SIZE << THREAD_SIZE_ORDER)
 
-#define STACKFAULT_STACK 0
 #define DOUBLEFAULT_STACK 1
 #define NMI_STACK 0
 #define DEBUG_STACK 0
diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
index 678205195ae1..75450b2c7be4 100644
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -14,12 +14,11 @@
 #define IRQ_STACK_ORDER 2
 #define IRQ_STACK_SIZE (PAGE_SIZE << IRQ_STACK_ORDER)
 
-#define STACKFAULT_STACK 1
-#define DOUBLEFAULT_STACK 2
-#define NMI_STACK 3
-#define DEBUG_STACK 4
-#define MCE_STACK 5
-#define N_EXCEPTION_STACKS 5  /* hw limit: 7 */
+#define DOUBLEFAULT_STACK 1
+#define NMI_STACK 2
+#define DEBUG_STACK 3
+#define MCE_STACK 4
+#define N_EXCEPTION_STACKS 4  /* hw limit: 7 */
 
 #define PUD_PAGE_SIZE           (_AC(1, UL) << PUD_SHIFT)
 #define PUD_PAGE_MASK           (~(PUD_PAGE_SIZE-1))
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 854053889d4d..547e344a6dc6 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -141,7 +141,7 @@ struct thread_info {
 /* Only used for 64 bit */
 #define _TIF_DO_NOTIFY_MASK                                             \
         (_TIF_SIGPENDING | _TIF_MCE_NOTIFY | _TIF_NOTIFY_RESUME |       \
-         _TIF_USER_RETURN_NOTIFY)
+         _TIF_USER_RETURN_NOTIFY | _TIF_UPROBE)
 
 /* flags to check in __switch_to() */
 #define _TIF_WORK_CTXSW                                                 \
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index bc8352e7010a..707adc6549d8 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -39,6 +39,7 @@ asmlinkage void simd_coprocessor_error(void);
 
 #ifdef CONFIG_TRACING
 asmlinkage void trace_page_fault(void);
+#define trace_stack_segment stack_segment
 #define trace_divide_error divide_error
 #define trace_bounds bounds
 #define trace_invalid_op invalid_op
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index 1abcb50b48ae..ff86f19b5758 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -24,7 +24,6 @@ static char x86_stack_ids[][8] = {
                 [ DEBUG_STACK-1                 ]       = "#DB",
                 [ NMI_STACK-1                   ]       = "NMI",
                 [ DOUBLEFAULT_STACK-1           ]       = "#DF",
-                [ STACKFAULT_STACK-1            ]       = "#SS",
                 [ MCE_STACK-1                   ]       = "#MC",
 #if DEBUG_STKSZ > EXCEPTION_STKSZ
                 [ N_EXCEPTION_STACKS ...
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index df088bb03fb3..c0226ab54106 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -828,9 +828,15 @@ ENTRY(native_iret)
         jnz native_irq_return_ldt
 #endif
 
+.global native_irq_return_iret
 native_irq_return_iret:
+        /*
+         * This may fault.  Non-paranoid faults on return to userspace are
+         * handled by fixup_bad_iret.  These include #SS, #GP, and #NP.
+         * Double-faults due to espfix64 are handled in do_double_fault.
+         * Other faults here are fatal.
+         */
         iretq
-        _ASM_EXTABLE(native_irq_return_iret, bad_iret)
 
 #ifdef CONFIG_X86_ESPFIX64
 native_irq_return_ldt:
@@ -858,25 +864,6 @@ native_irq_return_ldt:
         jmp native_irq_return_iret
 #endif
 
-        .section .fixup,"ax"
-bad_iret:
-        /*
-         * The iret traps when the %cs or %ss being restored is bogus.
-         * We've lost the original trap vector and error code.
-         * #GPF is the most likely one to get for an invalid selector.
-         * So pretend we completed the iret and took the #GPF in user mode.
-         *
-         * We are now running with the kernel GS after exception recovery.
-         * But error_entry expects us to have user GS to match the user %cs,
-         * so swap back.
-         */
-        pushq $0
-
-        SWAPGS
-        jmp general_protection
-
-        .previous
-
         /* edi: workmask, edx: work */
 retint_careful:
         CFI_RESTORE_STATE
@@ -922,37 +909,6 @@ ENTRY(retint_kernel)
         CFI_ENDPROC
 END(common_interrupt)
 
-        /*
-         * If IRET takes a fault on the espfix stack, then we
-         * end up promoting it to a doublefault.  In that case,
-         * modify the stack to make it look like we just entered
-         * the #GP handler from user space, similar to bad_iret.
-         */
-#ifdef CONFIG_X86_ESPFIX64
-        ALIGN
-__do_double_fault:
-        XCPT_FRAME 1 RDI+8
-        movq RSP(%rdi),%rax             /* Trap on the espfix stack? */
-        sarq $PGDIR_SHIFT,%rax
-        cmpl $ESPFIX_PGD_ENTRY,%eax
-        jne do_double_fault             /* No, just deliver the fault */
-        cmpl $__KERNEL_CS,CS(%rdi)
-        jne do_double_fault
-        movq RIP(%rdi),%rax
-        cmpq $native_irq_return_iret,%rax
-        jne do_double_fault             /* This shouldn't happen... */
-        movq PER_CPU_VAR(kernel_stack),%rax
-        subq $(6*8-KERNEL_STACK_OFFSET),%rax    /* Reset to original stack */
-        movq %rax,RSP(%rdi)
-        movq $0,(%rax)                  /* Missing (lost) #GP error code */
-        movq $general_protection,RIP(%rdi)
-        retq
-        CFI_ENDPROC
-END(__do_double_fault)
-#else
-# define __do_double_fault do_double_fault
-#endif
-
 /*
  * APIC interrupts.
  */
@@ -1124,7 +1080,7 @@ idtentry overflow do_overflow has_error_code=0
 idtentry bounds do_bounds has_error_code=0
 idtentry invalid_op do_invalid_op has_error_code=0
 idtentry device_not_available do_device_not_available has_error_code=0
-idtentry double_fault __do_double_fault has_error_code=1 paranoid=1
+idtentry double_fault do_double_fault has_error_code=1 paranoid=1
 idtentry coprocessor_segment_overrun do_coprocessor_segment_overrun has_error_code=0
 idtentry invalid_TSS do_invalid_TSS has_error_code=1
 idtentry segment_not_present do_segment_not_present has_error_code=1
@@ -1289,7 +1245,7 @@ apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \
 
 idtentry debug do_debug has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK
 idtentry int3 do_int3 has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK
-idtentry stack_segment do_stack_segment has_error_code=1 paranoid=1
+idtentry stack_segment do_stack_segment has_error_code=1
 #ifdef CONFIG_XEN
 idtentry xen_debug do_debug has_error_code=0
 idtentry xen_int3 do_int3 has_error_code=0
@@ -1399,17 +1355,16 @@ error_sti:
 
 /*
  * There are two places in the kernel that can potentially fault with
- * usergs. Handle them here. The exception handlers after iret run with
- * kernel gs again, so don't set the user space flag. B stepping K8s
- * sometimes report an truncated RIP for IRET exceptions returning to
- * compat mode. Check for these here too.
+ * usergs. Handle them here.  B stepping K8s sometimes report a
+ * truncated RIP for IRET exceptions returning to compat mode. Check
+ * for these here too.
  */
 error_kernelspace:
         CFI_REL_OFFSET rcx, RCX+8
         incl %ebx
         leaq native_irq_return_iret(%rip),%rcx
         cmpq %rcx,RIP+8(%rsp)
-        je error_swapgs
+        je error_bad_iret
         movl %ecx,%eax  /* zero extend */
         cmpq %rax,RIP+8(%rsp)
         je bstep_iret
@@ -1420,7 +1375,15 @@ error_kernelspace:
 bstep_iret:
         /* Fix truncated RIP */
         movq %rcx,RIP+8(%rsp)
-        jmp error_swapgs
+        /* fall through */
+
+error_bad_iret:
+        SWAPGS
+        mov %rsp,%rdi
+        call fixup_bad_iret
+        mov %rax,%rsp
+        decl %ebx       /* Return to usergs */
+        jmp error_sti
         CFI_ENDPROC
 END(error_entry)
 
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 0d0e922fafc1..de801f22128a 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -233,32 +233,40 @@ DO_ERROR(X86_TRAP_UD,     SIGILL,  "invalid opcode",		invalid_op)
 DO_ERROR(X86_TRAP_OLD_MF, SIGFPE,  "coprocessor segment overrun",coprocessor_segment_overrun)
 DO_ERROR(X86_TRAP_TS,     SIGSEGV, "invalid TSS",               invalid_TSS)
 DO_ERROR(X86_TRAP_NP,     SIGBUS,  "segment not present",       segment_not_present)
-#ifdef CONFIG_X86_32
 DO_ERROR(X86_TRAP_SS,     SIGBUS,  "stack segment",             stack_segment)
-#endif
 DO_ERROR(X86_TRAP_AC,     SIGBUS,  "alignment check",           alignment_check)
 
 #ifdef CONFIG_X86_64
 /* Runs on IST stack */
-dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code)
-{
-        enum ctx_state prev_state;
-
-        prev_state = exception_enter();
-        if (notify_die(DIE_TRAP, "stack segment", regs, error_code,
-                       X86_TRAP_SS, SIGBUS) != NOTIFY_STOP) {
-                preempt_conditional_sti(regs);
-                do_trap(X86_TRAP_SS, SIGBUS, "stack segment", regs, error_code, NULL);
-                preempt_conditional_cli(regs);
-        }
-        exception_exit(prev_state);
-}
-
 dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code)
 {
         static const char str[] = "double fault";
         struct task_struct *tsk = current;
 
+#ifdef CONFIG_X86_ESPFIX64
+        extern unsigned char native_irq_return_iret[];
+
+        /*
+         * If IRET takes a non-IST fault on the espfix64 stack, then we
+         * end up promoting it to a doublefault.  In that case, modify
+         * the stack to make it look like we just entered the #GP
+         * handler from user space, similar to bad_iret.
+         */
+        if (((long)regs->sp >> PGDIR_SHIFT) == ESPFIX_PGD_ENTRY &&
+                regs->cs == __KERNEL_CS &&
+                regs->ip == (unsigned long)native_irq_return_iret)
+        {
+                struct pt_regs *normal_regs = task_pt_regs(current);
+
+                /* Fake a #GP(0) from userspace. */
+                memmove(&normal_regs->ip, (void *)regs->sp, 5*8);
+                normal_regs->orig_ax = 0;  /* Missing (lost) #GP error code */
+                regs->ip = (unsigned long)general_protection;
+                regs->sp = (unsigned long)&normal_regs->orig_ax;
+                return;
+        }
+#endif
+
         exception_enter();
         /* Return not checked because double check cannot be ignored */
         notify_die(DIE_TRAP, str, regs, error_code, X86_TRAP_DF, SIGSEGV);
@@ -399,6 +407,35 @@ asmlinkage __visible struct pt_regs *sync_regs(struct pt_regs *eregs)
         return regs;
 }
 NOKPROBE_SYMBOL(sync_regs);
+
+struct bad_iret_stack {
+        void *error_entry_ret;
+        struct pt_regs regs;
+};
+
+asmlinkage __visible
+struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s)
+{
+        /*
+         * This is called from entry_64.S early in handling a fault
+         * caused by a bad iret to user mode.  To handle the fault
+         * correctly, we want move our stack frame to task_pt_regs
+         * and we want to pretend that the exception came from the
+         * iret target.
+         */
+        struct bad_iret_stack *new_stack =
+                container_of(task_pt_regs(current),
+                             struct bad_iret_stack, regs);
+
+        /* Copy the IRET target to the new stack. */
+        memmove(&new_stack->regs.ip, (void *)s->regs.sp, 5*8);
+
+        /* Copy the remainder of the stack from the current stack. */
+        memmove(new_stack, s, offsetof(struct bad_iret_stack, regs.ip));
+
+        BUG_ON(!user_mode_vm(&new_stack->regs));
+        return new_stack;
+}
 #endif
 
 /*
@@ -778,7 +815,7 @@ void __init trap_init(void)
         set_intr_gate(X86_TRAP_OLD_MF, coprocessor_segment_overrun);
         set_intr_gate(X86_TRAP_TS, invalid_TSS);
         set_intr_gate(X86_TRAP_NP, segment_not_present);
-        set_intr_gate_ist(X86_TRAP_SS, &stack_segment, STACKFAULT_STACK);
+        set_intr_gate(X86_TRAP_SS, stack_segment);
         set_intr_gate(X86_TRAP_GP, general_protection);
         set_intr_gate(X86_TRAP_SPURIOUS, spurious_interrupt_bug);
         set_intr_gate(X86_TRAP_MF, coprocessor_error);
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index ac1c4de3a484..978f402006ee 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -630,7 +630,7 @@ static int mmu_spte_clear_track_bits(u64 *sptep)
          * kvm mmu, before reclaiming the page, we should
          * unmap it from mmu first.
          */
-        WARN_ON(!kvm_is_mmio_pfn(pfn) && !page_count(pfn_to_page(pfn)));
+        WARN_ON(!kvm_is_reserved_pfn(pfn) && !page_count(pfn_to_page(pfn)));
 
         if (!shadow_accessed_mask || old_spte & shadow_accessed_mask)
                 kvm_set_pfn_accessed(pfn);
@@ -2461,7 +2461,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
                 spte |= PT_PAGE_SIZE_MASK;
         if (tdp_enabled)
                 spte |= kvm_x86_ops->get_mt_mask(vcpu, gfn,
-                        kvm_is_mmio_pfn(pfn));
+                        kvm_is_reserved_pfn(pfn));
 
         if (host_writable)
                 spte |= SPTE_HOST_WRITEABLE;
@@ -2737,7 +2737,7 @@ static void transparent_hugepage_adjust(struct kvm_vcpu *vcpu,
          * PT_PAGE_TABLE_LEVEL and there would be no adjustment done
          * here.
          */
-        if (!is_error_noslot_pfn(pfn) && !kvm_is_mmio_pfn(pfn) &&
+        if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn) &&
             level == PT_PAGE_TABLE_LEVEL &&
             PageTransCompound(pfn_to_page(pfn)) &&
             !has_wrprotected_page(vcpu->kvm, gfn, PT_DIRECTORY_LEVEL)) {
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index 7652e8dc188f..21b0bc6a9c96 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -1225,11 +1225,13 @@ static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id)
         card->config_regs = pci_iomap(dev, 0, CONFIG_RAM_SIZE);
         if (!card->config_regs) {
                 dev_warn(&dev->dev, "Failed to ioremap config registers\n");
+                err = -ENOMEM;
                 goto out_release_regions;
         }
         card->buffers = pci_iomap(dev, 1, DATA_RAM_SIZE);
         if (!card->buffers) {
                 dev_warn(&dev->dev, "Failed to ioremap data buffers\n");
+                err = -ENOMEM;
                 goto out_unmap_config;
         }
 
diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c
index 24b5b020753a..a23ac0c724f0 100644
--- a/drivers/clk/at91/clk-usb.c
+++ b/drivers/clk/at91/clk-usb.c
@@ -52,29 +52,26 @@ static unsigned long at91sam9x5_clk_usb_recalc_rate(struct clk_hw *hw,
 
         tmp = pmc_read(pmc, AT91_PMC_USB);
         usbdiv = (tmp & AT91_PMC_OHCIUSBDIV) >> SAM9X5_USB_DIV_SHIFT;
-        return parent_rate / (usbdiv + 1);
+
+        return DIV_ROUND_CLOSEST(parent_rate, (usbdiv + 1));
 }
 
 static long at91sam9x5_clk_usb_round_rate(struct clk_hw *hw, unsigned long rate,
                                           unsigned long *parent_rate)
 {
         unsigned long div;
-        unsigned long bestrate;
-        unsigned long tmp;
+
+        if (!rate)
+                return -EINVAL;
 
         if (rate >= *parent_rate)
                 return *parent_rate;
 
-        div = *parent_rate / rate;
-        if (div >= SAM9X5_USB_MAX_DIV)
-                return *parent_rate / (SAM9X5_USB_MAX_DIV + 1);
-
-        bestrate = *parent_rate / div;
-        tmp = *parent_rate / (div + 1);
-        if (bestrate - rate > rate - tmp)
-                bestrate = tmp;
+        div = DIV_ROUND_CLOSEST(*parent_rate, rate);
+        if (div > SAM9X5_USB_MAX_DIV + 1)
+                div = SAM9X5_USB_MAX_DIV + 1;
 
-        return bestrate;
+        return DIV_ROUND_CLOSEST(*parent_rate, div);
 }
 
 static int at91sam9x5_clk_usb_set_parent(struct clk_hw *hw, u8 index)
@@ -106,9 +103,13 @@ static int at91sam9x5_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
         u32 tmp;
         struct at91sam9x5_clk_usb *usb = to_at91sam9x5_clk_usb(hw);
         struct at91_pmc *pmc = usb->pmc;
-        unsigned long div = parent_rate / rate;
+        unsigned long div;
+
+        if (!rate)
+                return -EINVAL;
 
-        if (parent_rate % rate || div < 1 || div >= SAM9X5_USB_MAX_DIV)
+        div = DIV_ROUND_CLOSEST(parent_rate, rate);
+        if (div > SAM9X5_USB_MAX_DIV + 1 || !div)
                 return -EINVAL;
 
         tmp = pmc_read(pmc, AT91_PMC_USB) & ~AT91_PMC_OHCIUSBDIV;
@@ -253,7 +254,7 @@ static long at91rm9200_clk_usb_round_rate(struct clk_hw *hw, unsigned long rate,
 
                 tmp_parent_rate = rate * usb->divisors[i];
                 tmp_parent_rate = __clk_round_rate(parent, tmp_parent_rate);
-                tmprate = tmp_parent_rate / usb->divisors[i];
+                tmprate = DIV_ROUND_CLOSEST(tmp_parent_rate, usb->divisors[i]);
                 if (tmprate < rate)
                         tmpdiff = rate - tmprate;
                 else
@@ -281,10 +282,10 @@ static int at91rm9200_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
         struct at91_pmc *pmc = usb->pmc;
         unsigned long div;
 
-        if (!rate || parent_rate % rate)
+        if (!rate)
                 return -EINVAL;
 
-        div = parent_rate / rate;
+        div = DIV_ROUND_CLOSEST(parent_rate, rate);
 
         for (i = 0; i < RM9200_USB_DIV_TAB_SIZE; i++) {
                 if (usb->divisors[i] == div) {
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 18a9de29df0e..c0a842b335c5 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -263,6 +263,14 @@ static int clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate,
         if (!rate)
                 rate = 1;
 
+        /* if read only, just return current value */
+        if (divider->flags & CLK_DIVIDER_READ_ONLY) {
+                bestdiv = readl(divider->reg) >> divider->shift;
+                bestdiv &= div_mask(divider);
+                bestdiv = _get_div(divider, bestdiv);
+                return bestdiv;
+        }
+
         maxdiv = _get_maxdiv(divider);
 
         if (!(__clk_get_flags(hw->clk) & CLK_SET_RATE_PARENT)) {
@@ -361,11 +369,6 @@ const struct clk_ops clk_divider_ops = {
 };
 EXPORT_SYMBOL_GPL(clk_divider_ops);
 
-const struct clk_ops clk_divider_ro_ops = {
-        .recalc_rate = clk_divider_recalc_rate,
-};
-EXPORT_SYMBOL_GPL(clk_divider_ro_ops);
-
 static struct clk *_register_divider(struct device *dev, const char *name,
                 const char *parent_name, unsigned long flags,
                 void __iomem *reg, u8 shift, u8 width,
@@ -391,10 +394,7 @@ static struct clk *_register_divider(struct device *dev, const char *name,
         }
 
         init.name = name;
-        if (clk_divider_flags & CLK_DIVIDER_READ_ONLY)
-                init.ops = &clk_divider_ro_ops;
-        else
-                init.ops = &clk_divider_ops;
+        init.ops = &clk_divider_ops;
         init.flags = flags | CLK_IS_BASIC;
         init.parent_names = (parent_name ? &parent_name: NULL);
         init.num_parents = (parent_name ? 1 : 0);
diff --git a/drivers/clk/pxa/clk-pxa27x.c b/drivers/clk/pxa/clk-pxa27x.c
index b345cc791e5d..88b9fe13fa44 100644
--- a/drivers/clk/pxa/clk-pxa27x.c
+++ b/drivers/clk/pxa/clk-pxa27x.c
@@ -322,7 +322,7 @@ static unsigned long clk_pxa27x_memory_get_rate(struct clk_hw *hw,
         unsigned long ccsr = CCSR;
 
         osc_forced = ccsr & (1 << CCCR_CPDIS_BIT);
-        a = cccr & CCCR_A_BIT;
+        a = cccr & (1 << CCCR_A_BIT);
         l  = ccsr & CCSR_L_MASK;
 
         if (osc_forced || a)
@@ -341,7 +341,7 @@ static u8 clk_pxa27x_memory_get_parent(struct clk_hw *hw)
         unsigned long ccsr = CCSR;
 
         osc_forced = ccsr & (1 << CCCR_CPDIS_BIT);
-        a = cccr & CCCR_A_BIT;
+        a = cccr & (1 << CCCR_A_BIT);
         if (osc_forced)
                 return PXA_MEM_13Mhz;
         if (a)
diff --git a/drivers/clk/qcom/mmcc-apq8084.c b/drivers/clk/qcom/mmcc-apq8084.c
index dab988ab8cf1..157139a5c1ca 100644
--- a/drivers/clk/qcom/mmcc-apq8084.c
+++ b/drivers/clk/qcom/mmcc-apq8084.c
@@ -3122,7 +3122,7 @@ static struct clk_regmap *mmcc_apq8084_clocks[] = {
         [ESC1_CLK_SRC] = &esc1_clk_src.clkr,
         [HDMI_CLK_SRC] = &hdmi_clk_src.clkr,
         [VSYNC_CLK_SRC] = &vsync_clk_src.clkr,
-        [RBCPR_CLK_SRC] = &rbcpr_clk_src.clkr,
+        [MMSS_RBCPR_CLK_SRC] = &rbcpr_clk_src.clkr,
         [RBBMTIMER_CLK_SRC] = &rbbmtimer_clk_src.clkr,
         [MAPLE_CLK_SRC] = &maple_clk_src.clkr,
         [VDP_CLK_SRC] = &vdp_clk_src.clkr,
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index 1e68bff481b8..880a266f0143 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -90,9 +90,7 @@ static struct clk *rockchip_clk_register_branch(const char *name,
                 div->width = div_width;
                 div->lock = lock;
                 div->table = div_table;
-                div_ops = (div_flags & CLK_DIVIDER_READ_ONLY)
-                                                ? &clk_divider_ro_ops
-                                                : &clk_divider_ops;
+                div_ops = &clk_divider_ops;
         }
 
         clk = clk_register_composite(NULL, name, parent_names, num_parents,
diff --git a/drivers/clocksource/sun4i_timer.c b/drivers/clocksource/sun4i_timer.c
index efb17c3ee120..f4a9c0058b4d 100644
--- a/drivers/clocksource/sun4i_timer.c
+++ b/drivers/clocksource/sun4i_timer.c
@@ -182,6 +182,12 @@ static void __init sun4i_timer_init(struct device_node *node)
         /* Make sure timer is stopped before playing with interrupts */
         sun4i_clkevt_time_stop(0);
 
+        sun4i_clockevent.cpumask = cpu_possible_mask;
+        sun4i_clockevent.irq = irq;
+
+        clockevents_config_and_register(&sun4i_clockevent, rate,
+                                        TIMER_SYNC_TICKS, 0xffffffff);
+
         ret = setup_irq(irq, &sun4i_timer_irq);
         if (ret)
                 pr_warn("failed to setup irq %d\n", irq);
@@ -189,12 +195,6 @@ static void __init sun4i_timer_init(struct device_node *node)
         /* Enable timer0 interrupt */
         val = readl(timer_base + TIMER_IRQ_EN_REG);
         writel(val | TIMER_IRQ_EN(0), timer_base + TIMER_IRQ_EN_REG);
-
-        sun4i_clockevent.cpumask = cpu_possible_mask;
-        sun4i_clockevent.irq = irq;
-
-        clockevents_config_and_register(&sun4i_clockevent, rate,
-                                        TIMER_SYNC_TICKS, 0xffffffff);
 }
 CLOCKSOURCE_OF_DECLARE(sun4i, "allwinner,sun4i-a10-timer",
                        sun4i_timer_init);
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 7784911d78ef..00fc59762e0d 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -185,6 +185,16 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
         if (rdev->flags & RADEON_IS_AGP)
                 return false;
 
+        /*
+         * Older chips have a HW limitation, they can only generate 40 bits
+         * of address for "64-bit" MSIs which breaks on some platforms, notably
+         * IBM POWER servers, so we limit them
+         */
+        if (rdev->family < CHIP_BONAIRE) {
+                dev_info(rdev->dev, "radeon: MSI limited to 32-bit\n");
+                rdev->pdev->no_64bit_msi = 1;
+        }
+
         /* force MSI on */
         if (radeon_msi == 1)
                 return true;
diff --git a/drivers/hwmon/g762.c b/drivers/hwmon/g762.c
index 6aac695b1688..9b55e673b67c 100644
--- a/drivers/hwmon/g762.c
+++ b/drivers/hwmon/g762.c
@@ -1084,10 +1084,8 @@ static int g762_probe(struct i2c_client *client, const struct i2c_device_id *id)
         if (ret)
                 goto clock_dis;
 
-        data->hwmon_dev = devm_hwmon_device_register_with_groups(dev,
-                                                                 client->name,
-                                                                 data,
-                                                                 g762_groups);
+        data->hwmon_dev = hwmon_device_register_with_groups(dev, client->name,
+                                                            data, g762_groups);
         if (IS_ERR(data->hwmon_dev)) {
                 ret = PTR_ERR(data->hwmon_dev);
                 goto clock_dis;
diff --git a/drivers/iio/accel/bmc150-accel.c b/drivers/iio/accel/bmc150-accel.c
index 22c096ce39ad..513bd6d14293 100644
--- a/drivers/iio/accel/bmc150-accel.c
+++ b/drivers/iio/accel/bmc150-accel.c
@@ -44,6 +44,9 @@
 
 #define BMC150_ACCEL_REG_INT_STATUS_2           0x0B
 #define BMC150_ACCEL_ANY_MOTION_MASK            0x07
+#define BMC150_ACCEL_ANY_MOTION_BIT_X           BIT(0)
+#define BMC150_ACCEL_ANY_MOTION_BIT_Y           BIT(1)
+#define BMC150_ACCEL_ANY_MOTION_BIT_Z           BIT(2)
 #define BMC150_ACCEL_ANY_MOTION_BIT_SIGN        BIT(3)
 
 #define BMC150_ACCEL_REG_PMU_LPW                0x11
@@ -92,9 +95,9 @@
 #define BMC150_ACCEL_SLOPE_THRES_MASK           0xFF
 
 /* Slope duration in terms of number of samples */
-#define BMC150_ACCEL_DEF_SLOPE_DURATION 2
+#define BMC150_ACCEL_DEF_SLOPE_DURATION         1
 /* in terms of multiples of g's/LSB, based on range */
-#define BMC150_ACCEL_DEF_SLOPE_THRESHOLD        5
+#define BMC150_ACCEL_DEF_SLOPE_THRESHOLD        1
 
 #define BMC150_ACCEL_REG_XOUT_L         0x02
 
@@ -536,6 +539,9 @@ static int bmc150_accel_set_power_state(struct bmc150_accel_data *data, bool on)
         if (ret < 0) {
                 dev_err(&data->client->dev,
                         "Failed: bmc150_accel_set_power_state for %d\n", on);
+                if (on)
+                        pm_runtime_put_noidle(&data->client->dev);
+
                 return ret;
         }
 
@@ -811,6 +817,7 @@ static int bmc150_accel_write_event_config(struct iio_dev *indio_dev,
 
         ret =  bmc150_accel_setup_any_motion_interrupt(data, state);
         if (ret < 0) {
+                bmc150_accel_set_power_state(data, false);
                 mutex_unlock(&data->mutex);
                 return ret;
         }
@@ -846,7 +853,7 @@ static const struct attribute_group bmc150_accel_attrs_group = {
 
 static const struct iio_event_spec bmc150_accel_event = {
                 .type = IIO_EV_TYPE_ROC,
-                .dir = IIO_EV_DIR_RISING | IIO_EV_DIR_FALLING,
+                .dir = IIO_EV_DIR_EITHER,
                 .mask_separate = BIT(IIO_EV_INFO_VALUE) |
                                  BIT(IIO_EV_INFO_ENABLE) |
                                  BIT(IIO_EV_INFO_PERIOD)
@@ -1054,6 +1061,7 @@ static int bmc150_accel_data_rdy_trigger_set_state(struct iio_trigger *trig,
         else
                 ret = bmc150_accel_setup_new_data_interrupt(data, state);
         if (ret < 0) {
+                bmc150_accel_set_power_state(data, false);
                 mutex_unlock(&data->mutex);
                 return ret;
         }
@@ -1092,12 +1100,26 @@ static irqreturn_t bmc150_accel_event_handler(int irq, void *private)
         else
                 dir = IIO_EV_DIR_RISING;
 
-        if (ret & BMC150_ACCEL_ANY_MOTION_MASK)
+        if (ret & BMC150_ACCEL_ANY_MOTION_BIT_X)
+                iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL,
+                                                        0,
+                                                        IIO_MOD_X,
+                                                        IIO_EV_TYPE_ROC,
+                                                        dir),
+                                                        data->timestamp);
+        if (ret & BMC150_ACCEL_ANY_MOTION_BIT_Y)
                 iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL,
                                                         0,
-                                                        IIO_MOD_X_OR_Y_OR_Z,
+                                                        IIO_MOD_Y,
                                                         IIO_EV_TYPE_ROC,
-                                                        IIO_EV_DIR_EITHER),
+                                                        dir),
+                                                        data->timestamp);
+        if (ret & BMC150_ACCEL_ANY_MOTION_BIT_Z)
+                iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL,
+                                                        0,
+                                                        IIO_MOD_Z,
+                                                        IIO_EV_TYPE_ROC,
+                                                        dir),
                                                         data->timestamp);
 ack_intr_status:
         if (!data->dready_trigger_on)
@@ -1354,10 +1376,14 @@ static int bmc150_accel_runtime_suspend(struct device *dev)
 {
         struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
         struct bmc150_accel_data *data = iio_priv(indio_dev);
+        int ret;
 
         dev_dbg(&data->client->dev,  __func__);
+        ret = bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_SUSPEND, 0);
+        if (ret < 0)
+                return -EAGAIN;
 
-        return bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_SUSPEND, 0);
+        return 0;
 }
 
 static int bmc150_accel_runtime_resume(struct device *dev)
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index a23e58c4ed99..320aa72c0349 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -269,6 +269,8 @@ static int kxcjk1013_set_range(struct kxcjk1013_data *data, int range_index)
                 return ret;
         }
 
+        ret &= ~(KXCJK1013_REG_CTRL1_BIT_GSEL0 |
+                 KXCJK1013_REG_CTRL1_BIT_GSEL1);
         ret |= (KXCJK1013_scale_table[range_index].gsel_0 << 3);
         ret |= (KXCJK1013_scale_table[range_index].gsel_1 << 4);
 
diff --git a/drivers/iio/adc/men_z188_adc.c b/drivers/iio/adc/men_z188_adc.c
index b58d6302521f..d095efe1ba14 100644
--- a/drivers/iio/adc/men_z188_adc.c
+++ b/drivers/iio/adc/men_z188_adc.c
@@ -152,6 +152,7 @@ static void men_z188_remove(struct mcb_device *dev)
 
 static const struct mcb_device_id men_z188_ids[] = {
         { .device = 0xbc },
+        { }
 };
 MODULE_DEVICE_TABLE(mcb, men_z188_ids);
 
diff --git a/drivers/iio/gyro/bmg160.c b/drivers/iio/gyro/bmg160.c
index 1f967e0d688e..d2fa526740ca 100644
--- a/drivers/iio/gyro/bmg160.c
+++ b/drivers/iio/gyro/bmg160.c
@@ -67,6 +67,9 @@
 #define BMG160_REG_INT_EN_0             0x15
 #define BMG160_DATA_ENABLE_INT          BIT(7)
 
+#define BMG160_REG_INT_EN_1             0x16
+#define BMG160_INT1_BIT_OD              BIT(1)
+
 #define BMG160_REG_XOUT_L               0x02
 #define BMG160_AXIS_TO_REG(axis)        (BMG160_REG_XOUT_L + (axis * 2))
 
@@ -82,6 +85,9 @@
 
 #define BMG160_REG_INT_STATUS_2 0x0B
 #define BMG160_ANY_MOTION_MASK          0x07
+#define BMG160_ANY_MOTION_BIT_X         BIT(0)
+#define BMG160_ANY_MOTION_BIT_Y         BIT(1)
+#define BMG160_ANY_MOTION_BIT_Z         BIT(2)
 
 #define BMG160_REG_TEMP         0x08
 #define BMG160_TEMP_CENTER_VAL          23
@@ -222,6 +228,19 @@ static int bmg160_chip_init(struct bmg160_data *data)
         data->slope_thres = ret;
 
         /* Set default interrupt mode */
+        ret = i2c_smbus_read_byte_data(data->client, BMG160_REG_INT_EN_1);
+        if (ret < 0) {
+                dev_err(&data->client->dev, "Error reading reg_int_en_1\n");
+                return ret;
+        }
+        ret &= ~BMG160_INT1_BIT_OD;
+        ret = i2c_smbus_write_byte_data(data->client,
+                                        BMG160_REG_INT_EN_1, ret);
+        if (ret < 0) {
+                dev_err(&data->client->dev, "Error writing reg_int_en_1\n");
+                return ret;
+        }
+
         ret = i2c_smbus_write_byte_data(data->client,
                                         BMG160_REG_INT_RST_LATCH,
                                         BMG160_INT_MODE_LATCH_INT |
@@ -250,6 +269,9 @@ static int bmg160_set_power_state(struct bmg160_data *data, bool on)
         if (ret < 0) {
                 dev_err(&data->client->dev,
                         "Failed: bmg160_set_power_state for %d\n", on);
+                if (on)
+                        pm_runtime_put_noidle(&data->client->dev);
+
                 return ret;
         }
 #endif
@@ -705,6 +727,7 @@ static int bmg160_write_event_config(struct iio_dev *indio_dev,
 
         ret =  bmg160_setup_any_motion_interrupt(data, state);
         if (ret < 0) {
+                bmg160_set_power_state(data, false);
                 mutex_unlock(&data->mutex);
                 return ret;
         }
@@ -743,7 +766,7 @@ static const struct attribute_group bmg160_attrs_group = {
 
 static const struct iio_event_spec bmg160_event = {
                 .type = IIO_EV_TYPE_ROC,
-                .dir = IIO_EV_DIR_RISING | IIO_EV_DIR_FALLING,
+                .dir = IIO_EV_DIR_EITHER,
                 .mask_shared_by_type = BIT(IIO_EV_INFO_VALUE) |
                                        BIT(IIO_EV_INFO_ENABLE)
 };
@@ -871,6 +894,7 @@ static int bmg160_data_rdy_trigger_set_state(struct iio_trigger *trig,
         else
                 ret = bmg160_setup_new_data_interrupt(data, state);
         if (ret < 0) {
+                bmg160_set_power_state(data, false);
                 mutex_unlock(&data->mutex);
                 return ret;
         }
@@ -908,10 +932,24 @@ static irqreturn_t bmg160_event_handler(int irq, void *private)
         else
                 dir = IIO_EV_DIR_FALLING;
 
-        if (ret & BMG160_ANY_MOTION_MASK)
+        if (ret & BMG160_ANY_MOTION_BIT_X)
                 iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ANGL_VEL,
                                                         0,
-                                                        IIO_MOD_X_OR_Y_OR_Z,
+                                                        IIO_MOD_X,
+                                                        IIO_EV_TYPE_ROC,
+                                                        dir),
+                                                        data->timestamp);
+        if (ret & BMG160_ANY_MOTION_BIT_Y)
+                iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ANGL_VEL,
+                                                        0,
+                                                        IIO_MOD_Y,
+                                                        IIO_EV_TYPE_ROC,
+                                                        dir),
+                                                        data->timestamp);
+        if (ret & BMG160_ANY_MOTION_BIT_Z)
+                iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ANGL_VEL,
+                                                        0,
+                                                        IIO_MOD_Z,
                                                         IIO_EV_TYPE_ROC,
                                                         dir),
                                                         data->timestamp);
@@ -1169,8 +1207,15 @@ static int bmg160_runtime_suspend(struct device *dev)
 {
         struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
         struct bmg160_data *data = iio_priv(indio_dev);
+        int ret;
+
+        ret = bmg160_set_mode(data, BMG160_MODE_SUSPEND);
+        if (ret < 0) {
+                dev_err(&data->client->dev, "set mode failed\n");
+                return -EAGAIN;
+        }
 
-        return bmg160_set_mode(data, BMG160_MODE_SUSPEND);
+        return 0;
 }
 
 static int bmg160_runtime_resume(struct device *dev)
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 2ed7905a068f..fc55f0d15b70 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -1179,9 +1179,19 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
                 }
 
                 ep_irq_in = &intf->cur_altsetting->endpoint[1].desc;
-                usb_fill_bulk_urb(xpad->bulk_out, udev,
-                                usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress),
-                                xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad);
+                if (usb_endpoint_is_bulk_out(ep_irq_in)) {
+                        usb_fill_bulk_urb(xpad->bulk_out, udev,
+                                          usb_sndbulkpipe(udev,
+                                                          ep_irq_in->bEndpointAddress),
+                                          xpad->bdata, XPAD_PKT_LEN,
+                                          xpad_bulk_out, xpad);
+                } else {
+                        usb_fill_int_urb(xpad->bulk_out, udev,
+                                         usb_sndintpipe(udev,
+                                                        ep_irq_in->bEndpointAddress),
+                                         xpad->bdata, XPAD_PKT_LEN,
+                                         xpad_bulk_out, xpad, 0);
+                }
 
                 /*
                  * Submit the int URB immediately rather than waiting for open
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 3fcb6b3cb0bd..f2b978026407 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -428,14 +428,6 @@ static void elantech_report_trackpoint(struct psmouse *psmouse,
         int x, y;
         u32 t;
 
-        if (dev_WARN_ONCE(&psmouse->ps2dev.serio->dev,
-                          !tp_dev,
-                          psmouse_fmt("Unexpected trackpoint message\n"))) {
-                if (etd->debug == 1)
-                        elantech_packet_dump(psmouse);
-                return;
-        }
-
         t = get_unaligned_le32(&packet[0]);
 
         switch (t & ~7U) {
@@ -793,7 +785,7 @@ static int elantech_packet_check_v4(struct psmouse *psmouse)
         unsigned char packet_type = packet[3] & 0x03;
         bool sanity_check;
 
-        if ((packet[3] & 0x0f) == 0x06)
+        if (etd->tp_dev && (packet[3] & 0x0f) == 0x06)
                 return PACKET_TRACKPOINT;
 
         /*
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 2a7a9174c702..f9472920d986 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -143,6 +143,10 @@ static const struct min_max_quirk min_max_pnpid_table[] = {
                 (const char * const []){"LEN2001", NULL},
                 1024, 5022, 2508, 4832
         },
+        {
+                (const char * const []){"LEN2006", NULL},
+                1264, 5675, 1171, 4688
+        },
         { }
 };
 
diff --git a/drivers/irqchip/irq-atmel-aic-common.c b/drivers/irqchip/irq-atmel-aic-common.c
index 6ae3cdee0681..cc4f9d80122e 100644
--- a/drivers/irqchip/irq-atmel-aic-common.c
+++ b/drivers/irqchip/irq-atmel-aic-common.c
@@ -217,8 +217,9 @@ struct irq_domain *__init aic_common_of_init(struct device_node *node,
         }
 
         ret = irq_alloc_domain_generic_chips(domain, 32, 1, name,
-                                             handle_level_irq, 0, 0,
-                                             IRQCHIP_SKIP_SET_WAKE);
+                                             handle_fasteoi_irq,
+                                             IRQ_NOREQUEST | IRQ_NOPROBE |
+                                             IRQ_NOAUTOEN, 0, 0);
         if (ret)
                 goto err_domain_remove;
 
@@ -230,7 +231,6 @@ struct irq_domain *__init aic_common_of_init(struct device_node *node,
                 gc->unused = 0;
                 gc->wake_enabled = ~0;
                 gc->chip_types[0].type = IRQ_TYPE_SENSE_MASK;
-                gc->chip_types[0].handler = handle_fasteoi_irq;
                 gc->chip_types[0].chip.irq_eoi = irq_gc_eoi;
                 gc->chip_types[0].chip.irq_set_wake = irq_gc_set_wake;
                 gc->chip_types[0].chip.irq_shutdown = aic_common_shutdown;
diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c
index b9f4fb808e49..5fb38a2ac226 100644
--- a/drivers/irqchip/irq-bcm7120-l2.c
+++ b/drivers/irqchip/irq-bcm7120-l2.c
@@ -101,9 +101,9 @@ static int bcm7120_l2_intc_init_one(struct device_node *dn,
         int parent_irq;
 
         parent_irq = irq_of_parse_and_map(dn, irq);
-        if (parent_irq < 0) {
+        if (!parent_irq) {
                 pr_err("failed to map interrupt %d\n", irq);
-                return parent_irq;
+                return -EINVAL;
         }
 
         data->irq_map_mask |= be32_to_cpup(map_mask + irq);
diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c
index c15c840987d2..14691a4cb84c 100644
--- a/drivers/irqchip/irq-brcmstb-l2.c
+++ b/drivers/irqchip/irq-brcmstb-l2.c
@@ -135,9 +135,9 @@ int __init brcmstb_l2_intc_of_init(struct device_node *np,
         __raw_writel(0xffffffff, data->base + CPU_CLEAR);
 
         data->parent_irq = irq_of_parse_and_map(np, 0);
-        if (data->parent_irq < 0) {
+        if (!data->parent_irq) {
                 pr_err("failed to find parent interrupt\n");
-                ret = data->parent_irq;
+                ret = -EINVAL;
                 goto out_unmap;
         }
 
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index b9625968daac..4f4c2a7888e5 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -377,6 +377,29 @@ static irqreturn_t bcm_sf2_switch_1_isr(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
+static int bcm_sf2_sw_rst(struct bcm_sf2_priv *priv)
+{
+        unsigned int timeout = 1000;
+        u32 reg;
+
+        reg = core_readl(priv, CORE_WATCHDOG_CTRL);
+        reg |= SOFTWARE_RESET | EN_CHIP_RST | EN_SW_RESET;
+        core_writel(priv, reg, CORE_WATCHDOG_CTRL);
+
+        do {
+                reg = core_readl(priv, CORE_WATCHDOG_CTRL);
+                if (!(reg & SOFTWARE_RESET))
+                        break;
+
+                usleep_range(1000, 2000);
+        } while (timeout-- > 0);
+
+        if (timeout == 0)
+                return -ETIMEDOUT;
+
+        return 0;
+}
+
 static int bcm_sf2_sw_setup(struct dsa_switch *ds)
 {
         const char *reg_names[BCM_SF2_REGS_NUM] = BCM_SF2_REGS_NAME;
@@ -404,11 +427,18 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds)
                 *base = of_iomap(dn, i);
                 if (*base == NULL) {
                         pr_err("unable to find register: %s\n", reg_names[i]);
-                        return -ENODEV;
+                        ret = -ENOMEM;
+                        goto out_unmap;
                 }
                 base++;
         }
 
+        ret = bcm_sf2_sw_rst(priv);
+        if (ret) {
+                pr_err("unable to software reset switch: %d\n", ret);
+                goto out_unmap;
+        }
+
         /* Disable all interrupts and request them */
         intrl2_0_writel(priv, 0xffffffff, INTRL2_CPU_MASK_SET);
         intrl2_0_writel(priv, 0xffffffff, INTRL2_CPU_CLEAR);
@@ -484,7 +514,8 @@ out_free_irq0:
 out_unmap:
         base = &priv->core;
         for (i = 0; i < BCM_SF2_REGS_NUM; i++) {
-                iounmap(*base);
+                if (*base)
+                        iounmap(*base);
                 base++;
         }
         return ret;
@@ -733,29 +764,6 @@ static int bcm_sf2_sw_suspend(struct dsa_switch *ds)
         return 0;
 }
 
-static int bcm_sf2_sw_rst(struct bcm_sf2_priv *priv)
-{
-        unsigned int timeout = 1000;
-        u32 reg;
-
-        reg = core_readl(priv, CORE_WATCHDOG_CTRL);
-        reg |= SOFTWARE_RESET | EN_CHIP_RST | EN_SW_RESET;
-        core_writel(priv, reg, CORE_WATCHDOG_CTRL);
-
-        do {
-                reg = core_readl(priv, CORE_WATCHDOG_CTRL);
-                if (!(reg & SOFTWARE_RESET))
-                        break;
-
-                usleep_range(1000, 2000);
-        } while (timeout-- > 0);
-
-        if (timeout == 0)
-                return -ETIMEDOUT;
-
-        return 0;
-}
-
 static int bcm_sf2_sw_resume(struct dsa_switch *ds)
 {
         struct bcm_sf2_priv *priv = ds_to_priv(ds);
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 2dc001559a97..43fd1b72c1ea 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -8563,7 +8563,8 @@ static int tg3_init_rings(struct tg3 *tp)
                 if (tnapi->rx_rcb)
                         memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
 
-                if (tg3_rx_prodring_alloc(tp, &tnapi->prodring)) {
+                if (tnapi->prodring.rx_std &&
+                    tg3_rx_prodring_alloc(tp, &tnapi->prodring)) {
                         tg3_free_rings(tp);
                         return -ENOMEM;
                 }
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 9070b98e15c4..dc77ec2bdafd 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -4311,11 +4311,16 @@ static int be_ndo_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh)
                 return -EOPNOTSUPP;
 
         br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
+        if (!br_spec)
+                return -EINVAL;
 
         nla_for_each_nested(attr, br_spec, rem) {
                 if (nla_type(attr) != IFLA_BRIDGE_MODE)
                         continue;
 
+                if (nla_len(attr) < sizeof(mode))
+                        return -EINVAL;
+
                 mode = nla_get_u16(attr);
                 if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB)
                         return -EINVAL;
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index b0e12e7c4a3d..3c0221620c9d 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -1012,7 +1012,8 @@ static void igb_free_q_vector(struct igb_adapter *adapter, int v_idx)
         /* igb_get_stats64() might access the rings on this vector,
          * we must wait a grace period before freeing it.
          */
-        kfree_rcu(q_vector, rcu);
+        if (q_vector)
+                kfree_rcu(q_vector, rcu);
 }
 
 /**
@@ -1792,8 +1793,10 @@ void igb_down(struct igb_adapter *adapter)
         adapter->flags &= ~IGB_FLAG_NEED_LINK_UPDATE;
 
         for (i = 0; i < adapter->num_q_vectors; i++) {
-                napi_synchronize(&(adapter->q_vector[i]->napi));
-                napi_disable(&(adapter->q_vector[i]->napi));
+                if (adapter->q_vector[i]) {
+                        napi_synchronize(&adapter->q_vector[i]->napi);
+                        napi_disable(&adapter->q_vector[i]->napi);
+                }
         }
 
 
@@ -3714,7 +3717,8 @@ static void igb_free_all_tx_resources(struct igb_adapter *adapter)
         int i;
 
         for (i = 0; i < adapter->num_tx_queues; i++)
-                igb_free_tx_resources(adapter->tx_ring[i]);
+                if (adapter->tx_ring[i])
+                        igb_free_tx_resources(adapter->tx_ring[i]);
 }
 
 void igb_unmap_and_free_tx_resource(struct igb_ring *ring,
@@ -3779,7 +3783,8 @@ static void igb_clean_all_tx_rings(struct igb_adapter *adapter)
         int i;
 
         for (i = 0; i < adapter->num_tx_queues; i++)
-                igb_clean_tx_ring(adapter->tx_ring[i]);
+                if (adapter->tx_ring[i])
+                        igb_clean_tx_ring(adapter->tx_ring[i]);
 }
 
 /**
@@ -3816,7 +3821,8 @@ static void igb_free_all_rx_resources(struct igb_adapter *adapter)
         int i;
 
         for (i = 0; i < adapter->num_rx_queues; i++)
-                igb_free_rx_resources(adapter->rx_ring[i]);
+                if (adapter->rx_ring[i])
+                        igb_free_rx_resources(adapter->rx_ring[i]);
 }
 
 /**
@@ -3871,7 +3877,8 @@ static void igb_clean_all_rx_rings(struct igb_adapter *adapter)
         int i;
 
         for (i = 0; i < adapter->num_rx_queues; i++)
-                igb_clean_rx_ring(adapter->rx_ring[i]);
+                if (adapter->rx_ring[i])
+                        igb_clean_rx_ring(adapter->rx_ring[i]);
 }
 
 /**
@@ -7401,6 +7408,8 @@ static int igb_resume(struct device *dev)
         pci_restore_state(pdev);
         pci_save_state(pdev);
 
+        if (!pci_device_is_present(pdev))
+                return -ENODEV;
         err = pci_enable_device_mem(pdev);
         if (err) {
                 dev_err(&pdev->dev,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 932f77961d66..52776f9e1f71 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3968,8 +3968,8 @@ void ixgbe_set_rx_mode(struct net_device *netdev)
                  * if SR-IOV and VMDQ are disabled - otherwise ensure
                  * that hardware VLAN filters remain enabled.
                  */
-                if (!(adapter->flags & (IXGBE_FLAG_VMDQ_ENABLED |
-                                        IXGBE_FLAG_SRIOV_ENABLED)))
+                if (adapter->flags & (IXGBE_FLAG_VMDQ_ENABLED |
+                                      IXGBE_FLAG_SRIOV_ENABLED))
                         vlnctrl |= (IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN);
         } else {
                 if (netdev->flags & IFF_ALLMULTI) {
@@ -7731,6 +7731,8 @@ static int ixgbe_ndo_bridge_setlink(struct net_device *dev,
                 return -EOPNOTSUPP;
 
         br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
+        if (!br_spec)
+                return -EINVAL;
 
         nla_for_each_nested(attr, br_spec, rem) {
                 __u16 mode;
@@ -7739,6 +7741,9 @@ static int ixgbe_ndo_bridge_setlink(struct net_device *dev,
                 if (nla_type(attr) != IFLA_BRIDGE_MODE)
                         continue;
 
+                if (nla_len(attr) < sizeof(mode))
+                        return -EINVAL;
+
                 mode = nla_get_u16(attr);
                 if (mode == BRIDGE_MODE_VEPA) {
                         reg = 0;
@@ -8041,6 +8046,7 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         int i, err, pci_using_dac, expected_gts;
         unsigned int indices = MAX_TX_QUEUES;
         u8 part_str[IXGBE_PBANUM_LENGTH];
+        bool disable_dev = false;
 #ifdef IXGBE_FCOE
         u16 device_caps;
 #endif
@@ -8435,13 +8441,14 @@ err_sw_init:
         iounmap(adapter->io_addr);
         kfree(adapter->mac_table);
 err_ioremap:
+        disable_dev = !test_and_set_bit(__IXGBE_DISABLED, &adapter->state);
         free_netdev(netdev);
 err_alloc_etherdev:
         pci_release_selected_regions(pdev,
                                      pci_select_bars(pdev, IORESOURCE_MEM));
 err_pci_reg:
 err_dma:
-        if (!adapter || !test_and_set_bit(__IXGBE_DISABLED, &adapter->state))
+        if (!adapter || disable_dev)
                 pci_disable_device(pdev);
         return err;
 }
@@ -8459,6 +8466,7 @@ static void ixgbe_remove(struct pci_dev *pdev)
 {
         struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
         struct net_device *netdev = adapter->netdev;
+        bool disable_dev;
 
         ixgbe_dbg_adapter_exit(adapter);
 
@@ -8508,11 +8516,12 @@ static void ixgbe_remove(struct pci_dev *pdev)
         e_dev_info("complete\n");
 
         kfree(adapter->mac_table);
+        disable_dev = !test_and_set_bit(__IXGBE_DISABLED, &adapter->state);
         free_netdev(netdev);
 
         pci_disable_pcie_error_reporting(pdev);
 
-        if (!test_and_set_bit(__IXGBE_DISABLED, &adapter->state))
+        if (disable_dev)
                 pci_disable_device(pdev);
 }
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index d718ca0f88da..16f617b5749e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -1546,7 +1546,7 @@ static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd,
 
         switch (op) {
         case RES_OP_RESERVE:
-                count = get_param_l(&in_param);
+                count = get_param_l(&in_param) & 0xffffff;
                 align = get_param_h(&in_param);
                 err = mlx4_grant_resource(dev, slave, RES_QP, count, 0);
                 if (err)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 15814b79ff10..07054ce84ba8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -188,12 +188,6 @@ static int stmmac_probe_config_dt(struct platform_device *pdev,
          */
         plat->maxmtu = JUMBO_LEN;
 
-        /* Set default value for multicast hash bins */
-        plat->multicast_filter_bins = HASH_TABLE_SIZE;
-
-        /* Set default value for unicast filter entries */
-        plat->unicast_filter_entries = 1;
-
         /*
          * Currently only the properties needed on SPEAr600
          * are provided. All other properties should be added
@@ -281,6 +275,13 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
                 return PTR_ERR(addr);
 
         plat_dat = dev_get_platdata(&pdev->dev);
+
+        /* Set default value for multicast hash bins */
+        plat_dat->multicast_filter_bins = HASH_TABLE_SIZE;
+
+        /* Set default value for unicast filter entries */
+        plat_dat->unicast_filter_entries = 1;
+
         if (pdev->dev.of_node) {
                 if (!plat_dat)
                         plat_dat = devm_kzalloc(&pdev->dev,
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index e9f81d463659..d802a1ae4560 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2299,9 +2299,9 @@ static struct socket *vxlan_create_sock(struct net *net, bool ipv6,
         if (ipv6) {
                 udp_conf.family = AF_INET6;
                 udp_conf.use_udp6_tx_checksums =
-                    !!(flags & VXLAN_F_UDP_ZERO_CSUM6_TX);
+                    !(flags & VXLAN_F_UDP_ZERO_CSUM6_TX);
                 udp_conf.use_udp6_rx_checksums =
-                    !!(flags & VXLAN_F_UDP_ZERO_CSUM6_RX);
+                    !(flags & VXLAN_F_UDP_ZERO_CSUM6_RX);
         } else {
                 udp_conf.family = AF_INET;
                 udp_conf.local_ip.s_addr = INADDR_ANY;
diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h
index 6f7ae5f7bdae..649fdae77383 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw.h
@@ -155,6 +155,7 @@ enum iwl_ucode_tlv_api {
  * @IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT: supports Quiet Period requests
  * @IWL_UCODE_TLV_CAPA_DQA_SUPPORT: supports dynamic queue allocation (DQA),
  *      which also implies support for the scheduler configuration command
+ * @IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT: supports Hot Spot Command
  */
 enum iwl_ucode_tlv_capa {
         IWL_UCODE_TLV_CAPA_D0I3_SUPPORT                 = BIT(0),
@@ -163,6 +164,7 @@ enum iwl_ucode_tlv_capa {
         IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT       = BIT(10),
         IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT         = BIT(11),
         IWL_UCODE_TLV_CAPA_DQA_SUPPORT                  = BIT(12),
+        IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT              = BIT(18),
 };
 
 /* The default calibrate table size if not specified by firmware file */
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 57325589ee5b..1ee9dcd26ad9 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -2486,9 +2486,15 @@ static int iwl_mvm_roc(struct ieee80211_hw *hw,
 
         switch (vif->type) {
         case NL80211_IFTYPE_STATION:
-                /* Use aux roc framework (HS20) */
-                ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
-                                               vif, duration);
+                if (mvm->fw->ucode_capa.capa[0] &
+                    IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT) {
+                        /* Use aux roc framework (HS20) */
+                        ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
+                                                       vif, duration);
+                        goto out_unlock;
+                }
+                IWL_ERR(mvm, "hotspot not supported\n");
+                ret = -EINVAL;
                 goto out_unlock;
         case NL80211_IFTYPE_P2P_DEVICE:
                 /* handle below */
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 61f5d36eca6a..846a2e6e34d8 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -2249,6 +2249,16 @@ int rtl_pci_probe(struct pci_dev *pdev,
         /*like read eeprom and so on */
         rtlpriv->cfg->ops->read_eeprom_info(hw);
 
+        if (rtlpriv->cfg->ops->init_sw_vars(hw)) {
+                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't init_sw_vars\n");
+                err = -ENODEV;
+                goto fail3;
+        }
+        rtlpriv->cfg->ops->init_sw_leds(hw);
+
+        /*aspm */
+        rtl_pci_init_aspm(hw);
+
         /* Init mac80211 sw */
         err = rtl_init_core(hw);
         if (err) {
@@ -2264,16 +2274,6 @@ int rtl_pci_probe(struct pci_dev *pdev,
                 goto fail3;
         }
 
-        if (rtlpriv->cfg->ops->init_sw_vars(hw)) {
-                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't init_sw_vars\n");
-                err = -ENODEV;
-                goto fail3;
-        }
-        rtlpriv->cfg->ops->init_sw_leds(hw);
-
-        /*aspm */
-        rtl_pci_init_aspm(hw);
-
         err = ieee80211_register_hw(hw);
         if (err) {
                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
diff --git a/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c b/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c
index 310d3163dc5b..8ec8200002c7 100644
--- a/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c
@@ -3672,8 +3672,9 @@ static void rtl8821ae_update_hal_rate_mask(struct ieee80211_hw *hw,
                 mac->opmode == NL80211_IFTYPE_ADHOC)
                 macid = sta->aid + 1;
         if (wirelessmode == WIRELESS_MODE_N_5G ||
-            wirelessmode == WIRELESS_MODE_AC_5G)
-                ratr_bitmap = sta->supp_rates[NL80211_BAND_5GHZ];
+            wirelessmode == WIRELESS_MODE_AC_5G ||
+            wirelessmode == WIRELESS_MODE_A)
+                ratr_bitmap = sta->supp_rates[NL80211_BAND_5GHZ] << 4;
         else
                 ratr_bitmap = sta->supp_rates[NL80211_BAND_2GHZ];
 
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index 4e56a27f9689..fab0d4b42f58 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -39,7 +39,7 @@ struct backend_info {
 static int connect_rings(struct backend_info *be, struct xenvif_queue *queue);
 static void connect(struct backend_info *be);
 static int read_xenbus_vif_flags(struct backend_info *be);
-static void backend_create_xenvif(struct backend_info *be);
+static int backend_create_xenvif(struct backend_info *be);
 static void unregister_hotplug_status_watch(struct backend_info *be);
 static void set_backend_state(struct backend_info *be,
                               enum xenbus_state state);
@@ -352,7 +352,9 @@ static int netback_probe(struct xenbus_device *dev,
         be->state = XenbusStateInitWait;
 
         /* This kicks hotplug scripts, so do it immediately. */
-        backend_create_xenvif(be);
+        err = backend_create_xenvif(be);
+        if (err)
+                goto fail;
 
         return 0;
 
@@ -397,19 +399,19 @@ static int netback_uevent(struct xenbus_device *xdev,
 }
 
 
-static void backend_create_xenvif(struct backend_info *be)
+static int backend_create_xenvif(struct backend_info *be)
 {
         int err;
         long handle;
         struct xenbus_device *dev = be->dev;
 
         if (be->vif != NULL)
-                return;
+                return 0;
 
         err = xenbus_scanf(XBT_NIL, dev->nodename, "handle", "%li", &handle);
         if (err != 1) {
                 xenbus_dev_fatal(dev, err, "reading handle");
-                return;
+                return (err < 0) ? err : -EINVAL;
         }
 
         be->vif = xenvif_alloc(&dev->dev, dev->otherend_id, handle);
@@ -417,10 +419,11 @@ static void backend_create_xenvif(struct backend_info *be)
                 err = PTR_ERR(be->vif);
                 be->vif = NULL;
                 xenbus_dev_fatal(dev, err, "creating interface");
-                return;
+                return err;
         }
 
         kobject_uevent(&dev->dev.kobj, KOBJ_ONLINE);
+        return 0;
 }
 
 static void backend_disconnect(struct backend_info *be)
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 9fab30af0e75..084587d7cd13 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -590,6 +590,20 @@ static struct msi_desc *msi_setup_entry(struct pci_dev *dev)
         return entry;
 }
 
+static int msi_verify_entries(struct pci_dev *dev)
+{
+        struct msi_desc *entry;
+
+        list_for_each_entry(entry, &dev->msi_list, list) {
+                if (!dev->no_64bit_msi || !entry->msg.address_hi)
+                        continue;
+                dev_err(&dev->dev, "Device has broken 64-bit MSI but arch"
+                        " tried to assign one above 4G\n");
+                return -EIO;
+        }
+        return 0;
+}
+
 /**
  * msi_capability_init - configure device's MSI capability structure
  * @dev: pointer to the pci_dev data structure of MSI device function
@@ -627,6 +641,13 @@ static int msi_capability_init(struct pci_dev *dev, int nvec)
                 return ret;
         }
 
+        ret = msi_verify_entries(dev);
+        if (ret) {
+                msi_mask_irq(entry, mask, ~mask);
+                free_msi_irqs(dev);
+                return ret;
+        }
+
         ret = populate_msi_sysfs(dev);
         if (ret) {
                 msi_mask_irq(entry, mask, ~mask);
@@ -739,6 +760,11 @@ static int msix_capability_init(struct pci_dev *dev,
         if (ret)
                 goto out_avail;
 
+        /* Check if all MSI entries honor device restrictions */
+        ret = msi_verify_entries(dev);
+        if (ret)
+                goto out_free;
+
         /*
          * Some devices require MSI-X to be enabled before we can touch the
          * MSI-X registers.  We need to mask all the vectors to prevent
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 79e5c94107a9..72533c58c1f3 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -412,6 +412,7 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
         struct fc_frame_header *fh;
         struct fcoe_rcv_info *fr;
         struct fcoe_percpu_s *bg;
+        struct sk_buff *tmp_skb;
         unsigned short oxid;
 
         interface = container_of(ptype, struct bnx2fc_interface,
@@ -424,6 +425,12 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
                 goto err;
         }
 
+        tmp_skb = skb_share_check(skb, GFP_ATOMIC);
+        if (!tmp_skb)
+                goto err;
+
+        skb = tmp_skb;
+
         if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) {
                 printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n");
                 goto err;
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index 49014a143c6a..c1d04d4d3c6c 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -202,6 +202,7 @@ static struct {
         {"IOMEGA", "Io20S         *F", NULL, BLIST_KEY},
         {"INSITE", "Floptical   F*8I", NULL, BLIST_KEY},
         {"INSITE", "I325VM", NULL, BLIST_KEY},
+        {"Intel", "Multi-Flex", NULL, BLIST_NO_RSOC},
         {"iRiver", "iFP Mass Driver", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
         {"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN | BLIST_SINGLELUN},
         {"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index 8adf067ff019..1c3467b82566 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -102,7 +102,6 @@ static int ufshcd_parse_clock_info(struct ufs_hba *hba)
         clkfreq = devm_kzalloc(dev, sz * sizeof(*clkfreq),
                         GFP_KERNEL);
         if (!clkfreq) {
-                dev_err(dev, "%s: no memory\n", "freq-table-hz");
                 ret = -ENOMEM;
                 goto out;
         }
@@ -112,19 +111,19 @@ static int ufshcd_parse_clock_info(struct ufs_hba *hba)
         if (ret && (ret != -EINVAL)) {
                 dev_err(dev, "%s: error reading array %d\n",
                                 "freq-table-hz", ret);
-                goto free_clkfreq;
+                return ret;
         }
 
         for (i = 0; i < sz; i += 2) {
                 ret = of_property_read_string_index(np,
                                 "clock-names", i/2, (const char **)&name);
                 if (ret)
-                        goto free_clkfreq;
+                        goto out;
 
                 clki = devm_kzalloc(dev, sizeof(*clki), GFP_KERNEL);
                 if (!clki) {
                         ret = -ENOMEM;
-                        goto free_clkfreq;
+                        goto out;
                 }
 
                 clki->min_freq = clkfreq[i];
@@ -134,8 +133,6 @@ static int ufshcd_parse_clock_info(struct ufs_hba *hba)
                                 clki->min_freq, clki->max_freq, clki->name);
                 list_add_tail(&clki->list, &hba->clk_list_head);
         }
-free_clkfreq:
-        kfree(clkfreq);
 out:
         return ret;
 }
@@ -162,10 +159,8 @@ static int ufshcd_populate_vreg(struct device *dev, const char *name,
         }
 
         vreg = devm_kzalloc(dev, sizeof(*vreg), GFP_KERNEL);
-        if (!vreg) {
-                dev_err(dev, "No memory for %s regulator\n", name);
-                goto out;
-        }
+        if (!vreg)
+                return -ENOMEM;
 
         vreg->name = kstrdup(name, GFP_KERNEL);
 
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 497c38a4a866..605ca60e8a10 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -744,6 +744,8 @@ static void ufshcd_exit_clk_gating(struct ufs_hba *hba)
         if (!ufshcd_is_clkgating_allowed(hba))
                 return;
         device_remove_file(hba->dev, &hba->clk_gating.delay_attr);
+        cancel_work_sync(&hba->clk_gating.ungate_work);
+        cancel_delayed_work_sync(&hba->clk_gating.gate_work);
 }
 
 /* Must be called with host lock acquired */
@@ -2246,6 +2248,22 @@ static int ufshcd_uic_hibern8_exit(struct ufs_hba *hba)
         return ret;
 }
 
+ /**
+ * ufshcd_init_pwr_info - setting the POR (power on reset)
+ * values in hba power info
+ * @hba: per-adapter instance
+ */
+static void ufshcd_init_pwr_info(struct ufs_hba *hba)
+{
+        hba->pwr_info.gear_rx = UFS_PWM_G1;
+        hba->pwr_info.gear_tx = UFS_PWM_G1;
+        hba->pwr_info.lane_rx = 1;
+        hba->pwr_info.lane_tx = 1;
+        hba->pwr_info.pwr_rx = SLOWAUTO_MODE;
+        hba->pwr_info.pwr_tx = SLOWAUTO_MODE;
+        hba->pwr_info.hs_rate = 0;
+}
+
 /**
  * ufshcd_get_max_pwr_mode - reads the max power mode negotiated with device
  * @hba: per-adapter instance
@@ -2844,8 +2862,13 @@ static void ufshcd_slave_destroy(struct scsi_device *sdev)
         hba = shost_priv(sdev->host);
         scsi_deactivate_tcq(sdev, hba->nutrs);
         /* Drop the reference as it won't be needed anymore */
-        if (ufshcd_scsi_to_upiu_lun(sdev->lun) == UFS_UPIU_UFS_DEVICE_WLUN)
+        if (ufshcd_scsi_to_upiu_lun(sdev->lun) == UFS_UPIU_UFS_DEVICE_WLUN) {
+                unsigned long flags;
+
+                spin_lock_irqsave(hba->host->host_lock, flags);
                 hba->sdev_ufs_device = NULL;
+                spin_unlock_irqrestore(hba->host->host_lock, flags);
+        }
 }
 
 /**
@@ -4062,6 +4085,8 @@ static void ufshcd_init_icc_levels(struct ufs_hba *hba)
 static int ufshcd_scsi_add_wlus(struct ufs_hba *hba)
 {
         int ret = 0;
+        struct scsi_device *sdev_rpmb;
+        struct scsi_device *sdev_boot;
 
         hba->sdev_ufs_device = __scsi_add_device(hba->host, 0, 0,
                 ufshcd_upiu_wlun_to_scsi_wlun(UFS_UPIU_UFS_DEVICE_WLUN), NULL);
@@ -4070,26 +4095,27 @@ static int ufshcd_scsi_add_wlus(struct ufs_hba *hba)
                 hba->sdev_ufs_device = NULL;
                 goto out;
         }
+        scsi_device_put(hba->sdev_ufs_device);
 
-        hba->sdev_boot = __scsi_add_device(hba->host, 0, 0,
+        sdev_boot = __scsi_add_device(hba->host, 0, 0,
                 ufshcd_upiu_wlun_to_scsi_wlun(UFS_UPIU_BOOT_WLUN), NULL);
-        if (IS_ERR(hba->sdev_boot)) {
-                ret = PTR_ERR(hba->sdev_boot);
-                hba->sdev_boot = NULL;
+        if (IS_ERR(sdev_boot)) {
+                ret = PTR_ERR(sdev_boot);
                 goto remove_sdev_ufs_device;
         }
+        scsi_device_put(sdev_boot);
 
-        hba->sdev_rpmb = __scsi_add_device(hba->host, 0, 0,
+        sdev_rpmb = __scsi_add_device(hba->host, 0, 0,
                 ufshcd_upiu_wlun_to_scsi_wlun(UFS_UPIU_RPMB_WLUN), NULL);
-        if (IS_ERR(hba->sdev_rpmb)) {
-                ret = PTR_ERR(hba->sdev_rpmb);
-                hba->sdev_rpmb = NULL;
+        if (IS_ERR(sdev_rpmb)) {
+                ret = PTR_ERR(sdev_rpmb);
                 goto remove_sdev_boot;
         }
+        scsi_device_put(sdev_rpmb);
         goto out;
 
 remove_sdev_boot:
-        scsi_remove_device(hba->sdev_boot);
+        scsi_remove_device(sdev_boot);
 remove_sdev_ufs_device:
         scsi_remove_device(hba->sdev_ufs_device);
 out:
@@ -4097,30 +4123,6 @@ out:
 }
 
 /**
- * ufshcd_scsi_remove_wlus - Removes the W-LUs which were added by
- *                           ufshcd_scsi_add_wlus()
- * @hba: per-adapter instance
- *
- */
-static void ufshcd_scsi_remove_wlus(struct ufs_hba *hba)
-{
-        if (hba->sdev_ufs_device) {
-                scsi_remove_device(hba->sdev_ufs_device);
-                hba->sdev_ufs_device = NULL;
-        }
-
-        if (hba->sdev_boot) {
-                scsi_remove_device(hba->sdev_boot);
-                hba->sdev_boot = NULL;
-        }
-
-        if (hba->sdev_rpmb) {
-                scsi_remove_device(hba->sdev_rpmb);
-                hba->sdev_rpmb = NULL;
-        }
-}
-
-/**
  * ufshcd_probe_hba - probe hba to detect device and initialize
  * @hba: per-adapter instance
  *
@@ -4134,6 +4136,8 @@ static int ufshcd_probe_hba(struct ufs_hba *hba)
         if (ret)
                 goto out;
 
+        ufshcd_init_pwr_info(hba);
+
         /* UniPro link is active now */
         ufshcd_set_link_active(hba);
 
@@ -4264,12 +4268,18 @@ static int ufshcd_config_vreg_load(struct device *dev, struct ufs_vreg *vreg,
 static inline int ufshcd_config_vreg_lpm(struct ufs_hba *hba,
                                          struct ufs_vreg *vreg)
 {
+        if (!vreg)
+                return 0;
+
         return ufshcd_config_vreg_load(hba->dev, vreg, UFS_VREG_LPM_LOAD_UA);
 }
 
 static inline int ufshcd_config_vreg_hpm(struct ufs_hba *hba,
                                          struct ufs_vreg *vreg)
 {
+        if (!vreg)
+                return 0;
+
         return ufshcd_config_vreg_load(hba->dev, vreg, vreg->max_uA);
 }
 
@@ -4471,7 +4481,7 @@ out:
                         if (!IS_ERR_OR_NULL(clki->clk) && clki->enabled)
                                 clk_disable_unprepare(clki->clk);
                 }
-        } else if (!ret && on) {
+        } else if (on) {
                 spin_lock_irqsave(hba->host->host_lock, flags);
                 hba->clk_gating.state = CLKS_ON;
                 spin_unlock_irqrestore(hba->host->host_lock, flags);
@@ -4675,11 +4685,25 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
 {
         unsigned char cmd[6] = { START_STOP };
         struct scsi_sense_hdr sshdr;
-        struct scsi_device *sdp = hba->sdev_ufs_device;
+        struct scsi_device *sdp;
+        unsigned long flags;
         int ret;
 
-        if (!sdp || !scsi_device_online(sdp))
-                return -ENODEV;
+        spin_lock_irqsave(hba->host->host_lock, flags);
+        sdp = hba->sdev_ufs_device;
+        if (sdp) {
+                ret = scsi_device_get(sdp);
+                if (!ret && !scsi_device_online(sdp)) {
+                        ret = -ENODEV;
+                        scsi_device_put(sdp);
+                }
+        } else {
+                ret = -ENODEV;
+        }
+        spin_unlock_irqrestore(hba->host->host_lock, flags);
+
+        if (ret)
+                return ret;
 
         /*
          * If scsi commands fail, the scsi mid-layer schedules scsi error-
@@ -4718,6 +4742,7 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
         if (!ret)
                 hba->curr_dev_pwr_mode = pwr_mode;
 out:
+        scsi_device_put(sdp);
         hba->host->eh_noresume = 0;
         return ret;
 }
@@ -5087,7 +5112,7 @@ int ufshcd_system_suspend(struct ufs_hba *hba)
         int ret = 0;
 
         if (!hba || !hba->is_powered)
-                goto out;
+                return 0;
 
         if (pm_runtime_suspended(hba->dev)) {
                 if (hba->rpm_lvl == hba->spm_lvl)
@@ -5231,7 +5256,6 @@ EXPORT_SYMBOL(ufshcd_shutdown);
 void ufshcd_remove(struct ufs_hba *hba)
 {
         scsi_remove_host(hba->host);
-        ufshcd_scsi_remove_wlus(hba);
         /* disable interrupts */
         ufshcd_disable_intr(hba, hba->intr_mask);
         ufshcd_hba_stop(hba);
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 58ecdff5065c..4a574aa45855 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -392,8 +392,6 @@ struct ufs_hba {
          * "UFS device" W-LU.
          */
         struct scsi_device *sdev_ufs_device;
-        struct scsi_device *sdev_rpmb;
-        struct scsi_device *sdev_boot;
 
         enum ufs_dev_pwr_mode curr_dev_pwr_mode;
         enum uic_link_state uic_link_state;
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 72e12bad14b9..d0d5542efc06 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -376,9 +376,6 @@ static void pump_transfers(unsigned long data)
         chip = dws->cur_chip;
         spi = message->spi;
 
-        if (unlikely(!chip->clk_div))
-                chip->clk_div = dws->max_freq / chip->speed_hz;
-
         if (message->state == ERROR_STATE) {
                 message->status = -EIO;
                 goto early_exit;
@@ -419,7 +416,7 @@ static void pump_transfers(unsigned long data)
         if (transfer->speed_hz) {
                 speed = chip->speed_hz;
 
-                if (transfer->speed_hz != speed) {
+                if ((transfer->speed_hz != speed) || (!chip->clk_div)) {
                         speed = transfer->speed_hz;
 
                         /* clk_div doesn't support odd number */
@@ -581,7 +578,6 @@ static int dw_spi_setup(struct spi_device *spi)
                 dev_err(&spi->dev, "No max speed HZ parameter\n");
                 return -EINVAL;
         }
-        chip->speed_hz = spi->max_speed_hz;
 
         chip->tmode = 0; /* Tx & Rx */
         /* Default SPI mode is SCPOL = 0, SCPH = 0 */
diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
index 39e2c0a55a28..f63de781c729 100644
--- a/drivers/spi/spi-sirf.c
+++ b/drivers/spi/spi-sirf.c
@@ -562,9 +562,9 @@ spi_sirfsoc_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
 
         sspi->word_width = DIV_ROUND_UP(bits_per_word, 8);
         txfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
-                                           sspi->word_width;
+                                           (sspi->word_width >> 1);
         rxfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
-                                           sspi->word_width;
+                                           (sspi->word_width >> 1);
 
         if (!(spi->mode & SPI_CS_HIGH))
                 regval |= SIRFSOC_SPI_CS_IDLE_STAT;
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index ebcb33df2eb2..50f20f243981 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -615,13 +615,13 @@ static int spi_map_buf(struct spi_master *master, struct device *dev,
                                 sg_free_table(sgt);
                                 return -ENOMEM;
                         }
-                        sg_buf = page_address(vm_page) +
-                                ((size_t)buf & ~PAGE_MASK);
+                        sg_set_page(&sgt->sgl[i], vm_page,
+                                    min, offset_in_page(buf));
                 } else {
                         sg_buf = buf;
+                        sg_set_buf(&sgt->sgl[i], sg_buf, min);
                 }
 
-                sg_set_buf(&sgt->sgl[i], sg_buf, min);
 
                 buf += min;
                 len -= min;
diff --git a/drivers/staging/rtl8188eu/core/rtw_cmd.c b/drivers/staging/rtl8188eu/core/rtw_cmd.c
index 9935e66935af..eddef9cd2e16 100644
--- a/drivers/staging/rtl8188eu/core/rtw_cmd.c
+++ b/drivers/staging/rtl8188eu/core/rtw_cmd.c
@@ -275,11 +275,11 @@ u8 rtw_sitesurvey_cmd(struct adapter  *padapter, struct ndis_802_11_ssid *ssid,
         if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
                 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SCAN, 1);
 
-        ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
+        ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
         if (ph2c == NULL)
                 return _FAIL;
 
-        psurveyPara = kzalloc(sizeof(struct sitesurvey_parm), GFP_KERNEL);
+        psurveyPara = kzalloc(sizeof(struct sitesurvey_parm), GFP_ATOMIC);
         if (psurveyPara == NULL) {
                 kfree(ph2c);
                 return _FAIL;
@@ -405,7 +405,7 @@ u8 rtw_joinbss_cmd(struct adapter  *padapter, struct wlan_network *pnetwork)
         else
                 RT_TRACE(_module_rtl871x_cmd_c_, _drv_notice_, ("+Join cmd: SSid =[%s]\n", pmlmepriv->assoc_ssid.Ssid));
 
-        pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
+        pcmd = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
         if (pcmd == NULL) {
                 res = _FAIL;
                 RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("rtw_joinbss_cmd: memory allocate for cmd_obj fail!!!\n"));
@@ -755,13 +755,13 @@ u8 rtw_dynamic_chk_wk_cmd(struct adapter *padapter)
         u8      res = _SUCCESS;
 
 
-        ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
+        ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
         if (ph2c == NULL) {
                 res = _FAIL;
                 goto exit;
         }
 
-        pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_KERNEL);
+        pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_ATOMIC);
         if (pdrvextra_cmd_parm == NULL) {
                 kfree(ph2c);
                 res = _FAIL;
@@ -967,13 +967,13 @@ u8 rtw_lps_ctrl_wk_cmd(struct adapter *padapter, u8 lps_ctrl_type, u8 enqueue)
         u8      res = _SUCCESS;
 
         if (enqueue) {
-                ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
+                ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
                 if (ph2c == NULL) {
                         res = _FAIL;
                         goto exit;
                 }
 
-                pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_KERNEL);
+                pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_ATOMIC);
                 if (pdrvextra_cmd_parm == NULL) {
                         kfree(ph2c);
                         res = _FAIL;
@@ -1010,13 +1010,13 @@ u8 rtw_rpt_timer_cfg_cmd(struct adapter *padapter, u16 min_time)
 
         u8      res = _SUCCESS;
 
-        ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
+        ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
         if (ph2c == NULL) {
                 res = _FAIL;
                 goto exit;
         }
 
-        pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_KERNEL);
+        pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_ATOMIC);
         if (pdrvextra_cmd_parm == NULL) {
                 kfree(ph2c);
                 res = _FAIL;
@@ -1088,13 +1088,13 @@ u8 rtw_ps_cmd(struct adapter *padapter)
 
         u8      res = _SUCCESS;
 
-        ppscmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
+        ppscmd = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
         if (ppscmd == NULL) {
                 res = _FAIL;
                 goto exit;
         }
 
-        pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_KERNEL);
+        pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_ATOMIC);
         if (pdrvextra_cmd_parm == NULL) {
                 kfree(ppscmd);
                 res = _FAIL;
diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
index 5ba5099ec20d..70b1bc3e0e63 100644
--- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
@@ -4241,12 +4241,12 @@ void report_survey_event(struct adapter *padapter,
         pcmdpriv = &padapter->cmdpriv;
 
 
-        pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
+        pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
         if (pcmd_obj == NULL)
                 return;
 
         cmdsz = (sizeof(struct survey_event) + sizeof(struct C2HEvent_Header));
-        pevtcmd = kzalloc(cmdsz, GFP_KERNEL);
+        pevtcmd = kzalloc(cmdsz, GFP_ATOMIC);
         if (pevtcmd == NULL) {
                 kfree(pcmd_obj);
                 return;
@@ -4339,12 +4339,12 @@ void report_join_res(struct adapter *padapter, int res)
         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
         struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
 
-        pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
+        pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
         if (pcmd_obj == NULL)
                 return;
 
         cmdsz = (sizeof(struct joinbss_event) + sizeof(struct C2HEvent_Header));
-        pevtcmd = kzalloc(cmdsz, GFP_KERNEL);
+        pevtcmd = kzalloc(cmdsz, GFP_ATOMIC);
         if (pevtcmd == NULL) {
                 kfree(pcmd_obj);
                 return;
@@ -4854,11 +4854,11 @@ void survey_timer_hdl(void *function_context)
                         pmlmeext->scan_abort = false;/* reset */
                 }
 
-                ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
+                ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
                 if (ph2c == NULL)
                         goto exit_survey_timer_hdl;
 
-                psurveyPara = kzalloc(sizeof(struct sitesurvey_parm), GFP_KERNEL);
+                psurveyPara = kzalloc(sizeof(struct sitesurvey_parm), GFP_ATOMIC);
                 if (psurveyPara == NULL) {
                         kfree(ph2c);
                         goto exit_survey_timer_hdl;
diff --git a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
index 33ccbbbd8ed6..d300369977fa 100644
--- a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
+++ b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
@@ -935,7 +935,7 @@ int rtw_check_bcn_info(struct adapter  *Adapter, u8 *pframe, u32 packet_len)
                 return true;
         }
 
-        bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_KERNEL);
+        bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
 
         subtype = GetFrameSubType(pframe) >> 4;
 
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index 407a318b09db..2f87150a21b7 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -47,6 +47,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = {
         {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
         {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
         {USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
+        {USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
         {USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
         {}      /* Terminating entry */
 };
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 1ab0018271c5..ad09e51ffae4 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -50,15 +50,14 @@ struct cpufreq_cooling_device {
         unsigned int cpufreq_state;
         unsigned int cpufreq_val;
         struct cpumask allowed_cpus;
+        struct list_head node;
 };
 static DEFINE_IDR(cpufreq_idr);
 static DEFINE_MUTEX(cooling_cpufreq_lock);
 
 static unsigned int cpufreq_dev_count;
 
-/* notify_table passes value to the CPUFREQ_ADJUST callback function. */
-#define NOTIFY_INVALID NULL
-static struct cpufreq_cooling_device *notify_device;
+static LIST_HEAD(cpufreq_dev_list);
 
 /**
  * get_idr - function to get a unique id.
@@ -287,15 +286,12 @@ static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device,
 
         cpufreq_device->cpufreq_state = cooling_state;
         cpufreq_device->cpufreq_val = clip_freq;
-        notify_device = cpufreq_device;
 
         for_each_cpu(cpuid, mask) {
                 if (is_cpufreq_valid(cpuid))
                         cpufreq_update_policy(cpuid);
         }
 
-        notify_device = NOTIFY_INVALID;
-
         return 0;
 }
 
@@ -316,21 +312,28 @@ static int cpufreq_thermal_notifier(struct notifier_block *nb,
 {
         struct cpufreq_policy *policy = data;
         unsigned long max_freq = 0;
+        struct cpufreq_cooling_device *cpufreq_dev;
 
-        if (event != CPUFREQ_ADJUST || notify_device == NOTIFY_INVALID)
+        if (event != CPUFREQ_ADJUST)
                 return 0;
 
-        if (cpumask_test_cpu(policy->cpu, &notify_device->allowed_cpus))
-                max_freq = notify_device->cpufreq_val;
-        else
-                return 0;
+        mutex_lock(&cooling_cpufreq_lock);
+        list_for_each_entry(cpufreq_dev, &cpufreq_dev_list, node) {
+                if (!cpumask_test_cpu(policy->cpu,
+                                        &cpufreq_dev->allowed_cpus))
+                        continue;
+
+                if (!cpufreq_dev->cpufreq_val)
+                        cpufreq_dev->cpufreq_val = get_cpu_frequency(
+                                        cpumask_any(&cpufreq_dev->allowed_cpus),
+                                        cpufreq_dev->cpufreq_state);
 
-        /* Never exceed user_policy.max */
-        if (max_freq > policy->user_policy.max)
-                max_freq = policy->user_policy.max;
+                max_freq = cpufreq_dev->cpufreq_val;
 
-        if (policy->max != max_freq)
-                cpufreq_verify_within_limits(policy, 0, max_freq);
+                if (policy->max != max_freq)
+                        cpufreq_verify_within_limits(policy, 0, max_freq);
+        }
+        mutex_unlock(&cooling_cpufreq_lock);
 
         return 0;
 }
@@ -486,6 +489,7 @@ __cpufreq_cooling_register(struct device_node *np,
                 cpufreq_register_notifier(&thermal_cpufreq_notifier_block,
                                           CPUFREQ_POLICY_NOTIFIER);
         cpufreq_dev_count++;
+        list_add(&cpufreq_dev->node, &cpufreq_dev_list);
 
         mutex_unlock(&cooling_cpufreq_lock);
 
@@ -549,6 +553,7 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
 
         cpufreq_dev = cdev->devdata;
         mutex_lock(&cooling_cpufreq_lock);
+        list_del(&cpufreq_dev->node);
         cpufreq_dev_count--;
 
         /* Unregister the notifier for the last cpufreq cooling device */
diff --git a/drivers/thermal/samsung/exynos_thermal_common.c b/drivers/thermal/samsung/exynos_thermal_common.c
index 3f5ad25ddca8..b6be572704a4 100644
--- a/drivers/thermal/samsung/exynos_thermal_common.c
+++ b/drivers/thermal/samsung/exynos_thermal_common.c
@@ -417,13 +417,10 @@ void exynos_unregister_thermal(struct thermal_sensor_conf *sensor_conf)
 
         th_zone = sensor_conf->pzone_data;
 
-        if (th_zone->therm_dev)
-                thermal_zone_device_unregister(th_zone->therm_dev);
+        thermal_zone_device_unregister(th_zone->therm_dev);
 
-        for (i = 0; i < th_zone->cool_dev_size; i++) {
-                if (th_zone->cool_dev[i])
-                        cpufreq_cooling_unregister(th_zone->cool_dev[i]);
-        }
+        for (i = 0; i < th_zone->cool_dev_size; ++i)
+                cpufreq_cooling_unregister(th_zone->cool_dev[i]);
 
         dev_info(sensor_conf->dev,
                 "Exynos: Kernel Thermal management unregistered\n");
diff --git a/drivers/thermal/st/st_thermal.c b/drivers/thermal/st/st_thermal.c
index 90163b384660..d1ec5804c0bb 100644
--- a/drivers/thermal/st/st_thermal.c
+++ b/drivers/thermal/st/st_thermal.c
@@ -275,6 +275,7 @@ int st_thermal_unregister(struct platform_device *pdev)
 }
 EXPORT_SYMBOL_GPL(st_thermal_unregister);
 
+#ifdef CONFIG_PM_SLEEP
 static int st_thermal_suspend(struct device *dev)
 {
         struct platform_device *pdev = to_platform_device(dev);
@@ -305,6 +306,8 @@ static int st_thermal_resume(struct device *dev)
 
         return 0;
 }
+#endif
+
 SIMPLE_DEV_PM_OPS(st_thermal_pm_ops, st_thermal_suspend, st_thermal_resume);
 EXPORT_SYMBOL_GPL(st_thermal_pm_ops);
 
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index 56982da4a9e9..bf355050eab6 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -240,32 +240,6 @@ static int of_platform_serial_remove(struct platform_device *ofdev)
         return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static int of_serial_suspend(struct device *dev)
-{
-        struct of_serial_info *info = dev_get_drvdata(dev);
-
-        serial8250_suspend_port(info->line);
-        if (info->clk)
-                clk_disable_unprepare(info->clk);
-
-        return 0;
-}
-
-static int of_serial_resume(struct device *dev)
-{
-        struct of_serial_info *info = dev_get_drvdata(dev);
-
-        if (info->clk)
-                clk_prepare_enable(info->clk);
-
-        serial8250_resume_port(info->line);
-
-        return 0;
-}
-#endif
-static SIMPLE_DEV_PM_OPS(of_serial_pm_ops, of_serial_suspend, of_serial_resume);
-
 /*
  * A few common types, add more as needed.
  */
@@ -297,7 +271,6 @@ static struct platform_driver of_platform_serial_driver = {
                 .name = "of_serial",
                 .owner = THIS_MODULE,
                 .of_match_table = of_platform_serial_table,
-                .pm = &of_serial_pm_ops,
         },
         .probe = of_platform_serial_probe,
         .remove = of_platform_serial_remove,
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 39b4081b632d..96fafed92b76 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -44,6 +44,9 @@ static const struct usb_device_id usb_quirk_list[] = {
         /* Creative SB Audigy 2 NX */
         { USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
 
+        /* Microsoft Wireless Laser Mouse 6000 Receiver */
+        { USB_DEVICE(0x045e, 0x00e1), .driver_info = USB_QUIRK_RESET_RESUME },
+
         /* Microsoft LifeCam-VX700 v2.0 */
         { USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
 
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 711b23019d54..df38e7ef4976 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -791,6 +791,10 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
 
         trb = dwc->ep0_trb;
 
+        r = next_request(&ep0->request_list);
+        if (!r)
+                return;
+
         status = DWC3_TRB_SIZE_TRBSTS(trb->size);
         if (status == DWC3_TRBSTS_SETUP_PENDING) {
                 dwc3_trace(trace_dwc3_ep0, "Setup Pending received");
@@ -801,10 +805,6 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
                 return;
         }
 
-        r = next_request(&ep0->request_list);
-        if (!r)
-                return;
-
         ur = &r->request;
 
         length = trb->size & DWC3_TRB_SIZE_MASK;
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 696160d48ae8..388cfd83b6b6 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -22,7 +22,6 @@
 
 
 #include <linux/slab.h>
-#include <linux/device.h>
 #include <asm/unaligned.h>
 
 #include "xhci.h"
@@ -1149,9 +1148,7 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
                  * including the USB 3.0 roothub, but only if CONFIG_PM_RUNTIME
                  * is enabled, so also enable remote wake here.
                  */
-                if (hcd->self.root_hub->do_remote_wakeup
-                                && device_may_wakeup(hcd->self.controller)) {
-
+                if (hcd->self.root_hub->do_remote_wakeup) {
                         if (t1 & PORT_CONNECT) {
                                 t2 |= PORT_WKOC_E | PORT_WKDISC_E;
                                 t2 &= ~PORT_WKCONN_E;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 9a69b1f1b300..142b601f9563 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -281,7 +281,7 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
         if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
                 pdev->no_d3cold = true;
 
-        return xhci_suspend(xhci);
+        return xhci_suspend(xhci, do_wakeup);
 }
 
 static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 3d78b0cd674b..646300cbe5f7 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -204,7 +204,15 @@ static int xhci_plat_suspend(struct device *dev)
         struct usb_hcd  *hcd = dev_get_drvdata(dev);
         struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 
-        return xhci_suspend(xhci);
+        /*
+         * xhci_suspend() needs `do_wakeup` to know whether host is allowed
+         * to do wakeup during suspend. Since xhci_plat_suspend is currently
+         * only designed for system suspend, device_may_wakeup() is enough
+         * to dertermine whether host is allowed to do wakeup. Need to
+         * reconsider this when xhci_plat_suspend enlarges its scope, e.g.,
+         * also applies to runtime suspend.
+         */
+        return xhci_suspend(xhci, device_may_wakeup(dev));
 }
 
 static int xhci_plat_resume(struct device *dev)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index bc6fcbc16f61..06433aec81d7 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1067,9 +1067,8 @@ static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id,
                                 false);
                 xhci_ring_cmd_db(xhci);
         } else {
-                /* Clear our internal halted state and restart the ring(s) */
+                /* Clear our internal halted state */
                 xhci->devs[slot_id]->eps[ep_index].ep_state &= ~EP_HALTED;
-                ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
         }
 }
 
@@ -1823,22 +1822,13 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
                 ep->stopped_td = td;
                 return 0;
         } else {
-                if (trb_comp_code == COMP_STALL) {
-                        /* The transfer is completed from the driver's
-                         * perspective, but we need to issue a set dequeue
-                         * command for this stalled endpoint to move the dequeue
-                         * pointer past the TD.  We can't do that here because
-                         * the halt condition must be cleared first.  Let the
-                         * USB class driver clear the stall later.
-                         */
-                        ep->stopped_td = td;
-                        ep->stopped_stream = ep_ring->stream_id;
-                } else if (xhci_requires_manual_halt_cleanup(xhci,
-                                        ep_ctx, trb_comp_code)) {
-                        /* Other types of errors halt the endpoint, but the
-                         * class driver doesn't call usb_reset_endpoint() unless
-                         * the error is -EPIPE.  Clear the halted status in the
-                         * xHCI hardware manually.
+                if (trb_comp_code == COMP_STALL ||
+                    xhci_requires_manual_halt_cleanup(xhci, ep_ctx,
+                                                      trb_comp_code)) {
+                        /* Issue a reset endpoint command to clear the host side
+                         * halt, followed by a set dequeue command to move the
+                         * dequeue pointer past the TD.
+                         * The class driver clears the device side halt later.
                          */
                         xhci_cleanup_halted_endpoint(xhci,
                                         slot_id, ep_index, ep_ring->stream_id,
@@ -1958,9 +1948,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
                 else
                         td->urb->actual_length = 0;
 
-                xhci_cleanup_halted_endpoint(xhci,
-                        slot_id, ep_index, 0, td, event_trb);
-                return finish_td(xhci, td, event_trb, event, ep, status, true);
+                return finish_td(xhci, td, event_trb, event, ep, status, false);
         }
         /*
          * Did we transfer any data, despite the errors that might have
@@ -2519,17 +2507,8 @@ cleanup:
                 if (ret) {
                         urb = td->urb;
                         urb_priv = urb->hcpriv;
-                        /* Leave the TD around for the reset endpoint function
-                         * to use(but only if it's not a control endpoint,
-                         * since we already queued the Set TR dequeue pointer
-                         * command for stalled control endpoints).
-                         */
-                        if (usb_endpoint_xfer_control(&urb->ep->desc) ||
-                                (trb_comp_code != COMP_STALL &&
-                                        trb_comp_code != COMP_BABBLE))
-                                xhci_urb_free_priv(xhci, urb_priv);
-                        else
-                                kfree(urb_priv);
+
+                        xhci_urb_free_priv(xhci, urb_priv);
 
                         usb_hcd_unlink_urb_from_ep(bus_to_hcd(urb->dev->bus), urb);
                         if ((urb->actual_length != urb->transfer_buffer_length &&
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 2a5d45b4cb15..033b46c470bd 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -35,6 +35,8 @@
 #define DRIVER_AUTHOR "Sarah Sharp"
 #define DRIVER_DESC "'eXtensible' Host Controller (xHC) Driver"
 
+#define PORT_WAKE_BITS  (PORT_WKOC_E | PORT_WKDISC_E | PORT_WKCONN_E)
+
 /* Some 0.95 hardware can't handle the chain bit on a Link TRB being cleared */
 static int link_quirk;
 module_param(link_quirk, int, S_IRUGO | S_IWUSR);
@@ -851,13 +853,47 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
         xhci_set_cmd_ring_deq(xhci);
 }
 
+static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci)
+{
+        int port_index;
+        __le32 __iomem **port_array;
+        unsigned long flags;
+        u32 t1, t2;
+
+        spin_lock_irqsave(&xhci->lock, flags);
+
+        /* disble usb3 ports Wake bits*/
+        port_index = xhci->num_usb3_ports;
+        port_array = xhci->usb3_ports;
+        while (port_index--) {
+                t1 = readl(port_array[port_index]);
+                t1 = xhci_port_state_to_neutral(t1);
+                t2 = t1 & ~PORT_WAKE_BITS;
+                if (t1 != t2)
+                        writel(t2, port_array[port_index]);
+        }
+
+        /* disble usb2 ports Wake bits*/
+        port_index = xhci->num_usb2_ports;
+        port_array = xhci->usb2_ports;
+        while (port_index--) {
+                t1 = readl(port_array[port_index]);
+                t1 = xhci_port_state_to_neutral(t1);
+                t2 = t1 & ~PORT_WAKE_BITS;
+                if (t1 != t2)
+                        writel(t2, port_array[port_index]);
+        }
+
+        spin_unlock_irqrestore(&xhci->lock, flags);
+}
+
 /*
  * Stop HC (not bus-specific)
  *
  * This is called when the machine transition into S3/S4 mode.
  *
  */
-int xhci_suspend(struct xhci_hcd *xhci)
+int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup)
 {
         int                     rc = 0;
         unsigned int            delay = XHCI_MAX_HALT_USEC;
@@ -868,6 +904,10 @@ int xhci_suspend(struct xhci_hcd *xhci)
                         xhci->shared_hcd->state != HC_STATE_SUSPENDED)
                 return -EINVAL;
 
+        /* Clear root port wake on bits if wakeup not allowed. */
+        if (!do_wakeup)
+                xhci_disable_port_wake_on_bits(xhci);
+
         /* Don't poll the roothubs on bus suspend. */
         xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
         clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
@@ -2912,68 +2952,33 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci,
         }
 }
 
-/* Deal with stalled endpoints.  The core should have sent the control message
- * to clear the halt condition.  However, we need to make the xHCI hardware
- * reset its sequence number, since a device will expect a sequence number of
- * zero after the halt condition is cleared.
+/* Called when clearing halted device. The core should have sent the control
+ * message to clear the device halt condition. The host side of the halt should
+ * already be cleared with a reset endpoint command issued when the STALL tx
+ * event was received.
+ *
  * Context: in_interrupt
  */
+
 void xhci_endpoint_reset(struct usb_hcd *hcd,
                 struct usb_host_endpoint *ep)
 {
         struct xhci_hcd *xhci;
-        struct usb_device *udev;
-        unsigned int ep_index;
-        unsigned long flags;
-        int ret;
-        struct xhci_virt_ep *virt_ep;
-        struct xhci_command *command;
 
         xhci = hcd_to_xhci(hcd);
-        udev = (struct usb_device *) ep->hcpriv;
-        /* Called with a root hub endpoint (or an endpoint that wasn't added
-         * with xhci_add_endpoint()
-         */
-        if (!ep->hcpriv)
-                return;
-        ep_index = xhci_get_endpoint_index(&ep->desc);
-        virt_ep = &xhci->devs[udev->slot_id]->eps[ep_index];
-        if (!virt_ep->stopped_td) {
-                xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
-                        "Endpoint 0x%x not halted, refusing to reset.",
-                        ep->desc.bEndpointAddress);
-                return;
-        }
-        if (usb_endpoint_xfer_control(&ep->desc)) {
-                xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
-                                "Control endpoint stall already handled.");
-                return;
-        }
 
-        command = xhci_alloc_command(xhci, false, false, GFP_ATOMIC);
-        if (!command)
-                return;
-
-        xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
-                        "Queueing reset endpoint command");
-        spin_lock_irqsave(&xhci->lock, flags);
-        ret = xhci_queue_reset_ep(xhci, command, udev->slot_id, ep_index);
         /*
-         * Can't change the ring dequeue pointer until it's transitioned to the
-         * stopped state, which is only upon a successful reset endpoint
-         * command.  Better hope that last command worked!
+         * We might need to implement the config ep cmd in xhci 4.8.1 note:
+         * The Reset Endpoint Command may only be issued to endpoints in the
+         * Halted state. If software wishes reset the Data Toggle or Sequence
+         * Number of an endpoint that isn't in the Halted state, then software
+         * may issue a Configure Endpoint Command with the Drop and Add bits set
+         * for the target endpoint. that is in the Stopped state.
          */
-        if (!ret) {
-                xhci_cleanup_stalled_ring(xhci, udev, ep_index);
-                kfree(virt_ep->stopped_td);
-                xhci_ring_cmd_db(xhci);
-        }
-        virt_ep->stopped_td = NULL;
-        virt_ep->stopped_stream = 0;
-        spin_unlock_irqrestore(&xhci->lock, flags);
 
-        if (ret)
-                xhci_warn(xhci, "FIXME allocate a new ring segment\n");
+        /* For now just print debug to follow the situation */
+        xhci_dbg(xhci, "Endpoint 0x%x ep reset callback called\n",
+                 ep->desc.bEndpointAddress);
 }
 
 static int xhci_check_streams_endpoint(struct xhci_hcd *xhci,
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index df76d642e719..d745715a1e2f 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1746,7 +1746,7 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks);
 void xhci_init_driver(struct hc_driver *drv, int (*setup_fn)(struct usb_hcd *));
 
 #ifdef  CONFIG_PM
-int xhci_suspend(struct xhci_hcd *xhci);
+int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup);
 int xhci_resume(struct xhci_hcd *xhci, bool hibernated);
 #else
 #define xhci_suspend    NULL
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index cfd009dc4018..6c4eb3cf5efd 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -120,6 +120,7 @@ static const struct usb_device_id id_table[] = {
         { USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
         { USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
         { USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
+        { USB_DEVICE(0x10C4, 0x8875) }, /* CEL MeshConnect USB Stick */
         { USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
         { USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
         { USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 0dad8ce5a609..1ebb351b9e9a 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -470,6 +470,39 @@ static const struct usb_device_id id_table_combined[] = {
         { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
         { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
         { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) },
+        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 6786b705ccf6..e52409c9be99 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -926,8 +926,8 @@
 #define BAYER_CONTOUR_CABLE_PID        0x6001
 
 /*
- * The following are the values for the Matrix Orbital FTDI Range
- * Anything in this range will use an FT232RL.
+ * Matrix Orbital Intelligent USB displays.
+ * http://www.matrixorbital.com
  */
 #define MTXORB_VID                      0x1B3D
 #define MTXORB_FTDI_RANGE_0100_PID      0x0100
@@ -1186,8 +1186,39 @@
 #define MTXORB_FTDI_RANGE_01FD_PID      0x01FD
 #define MTXORB_FTDI_RANGE_01FE_PID      0x01FE
 #define MTXORB_FTDI_RANGE_01FF_PID      0x01FF
-
-
+#define MTXORB_FTDI_RANGE_4701_PID      0x4701
+#define MTXORB_FTDI_RANGE_9300_PID      0x9300
+#define MTXORB_FTDI_RANGE_9301_PID      0x9301
+#define MTXORB_FTDI_RANGE_9302_PID      0x9302
+#define MTXORB_FTDI_RANGE_9303_PID      0x9303
+#define MTXORB_FTDI_RANGE_9304_PID      0x9304
+#define MTXORB_FTDI_RANGE_9305_PID      0x9305
+#define MTXORB_FTDI_RANGE_9306_PID      0x9306
+#define MTXORB_FTDI_RANGE_9307_PID      0x9307
+#define MTXORB_FTDI_RANGE_9308_PID      0x9308
+#define MTXORB_FTDI_RANGE_9309_PID      0x9309
+#define MTXORB_FTDI_RANGE_930A_PID      0x930A
+#define MTXORB_FTDI_RANGE_930B_PID      0x930B
+#define MTXORB_FTDI_RANGE_930C_PID      0x930C
+#define MTXORB_FTDI_RANGE_930D_PID      0x930D
+#define MTXORB_FTDI_RANGE_930E_PID      0x930E
+#define MTXORB_FTDI_RANGE_930F_PID      0x930F
+#define MTXORB_FTDI_RANGE_9310_PID      0x9310
+#define MTXORB_FTDI_RANGE_9311_PID      0x9311
+#define MTXORB_FTDI_RANGE_9312_PID      0x9312
+#define MTXORB_FTDI_RANGE_9313_PID      0x9313
+#define MTXORB_FTDI_RANGE_9314_PID      0x9314
+#define MTXORB_FTDI_RANGE_9315_PID      0x9315
+#define MTXORB_FTDI_RANGE_9316_PID      0x9316
+#define MTXORB_FTDI_RANGE_9317_PID      0x9317
+#define MTXORB_FTDI_RANGE_9318_PID      0x9318
+#define MTXORB_FTDI_RANGE_9319_PID      0x9319
+#define MTXORB_FTDI_RANGE_931A_PID      0x931A
+#define MTXORB_FTDI_RANGE_931B_PID      0x931B
+#define MTXORB_FTDI_RANGE_931C_PID      0x931C
+#define MTXORB_FTDI_RANGE_931D_PID      0x931D
+#define MTXORB_FTDI_RANGE_931E_PID      0x931E
+#define MTXORB_FTDI_RANGE_931F_PID      0x931F
 
 /*
  * The Mobility Lab (TML)
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 93cb7cebda62..077c714f1285 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -311,24 +311,30 @@ static void	usa26_indat_callback(struct urb *urb)
                 if ((data[0] & 0x80) == 0) {
                         /* no errors on individual bytes, only
                            possible overrun err */
-                        if (data[0] & RXERROR_OVERRUN)
-                                err = TTY_OVERRUN;
-                        else
-                                err = 0;
+                        if (data[0] & RXERROR_OVERRUN) {
+                                tty_insert_flip_char(&port->port, 0,
+                                                                TTY_OVERRUN);
+                        }
                         for (i = 1; i < urb->actual_length ; ++i)
-                                tty_insert_flip_char(&port->port, data[i], err);
+                                tty_insert_flip_char(&port->port, data[i],
+                                                                TTY_NORMAL);
                 } else {
                         /* some bytes had errors, every byte has status */
                         dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__);
                         for (i = 0; i + 1 < urb->actual_length; i += 2) {
-                                int stat = data[i], flag = 0;
-                                if (stat & RXERROR_OVERRUN)
-                                        flag |= TTY_OVERRUN;
-                                if (stat & RXERROR_FRAMING)
-                                        flag |= TTY_FRAME;
-                                if (stat & RXERROR_PARITY)
-                                        flag |= TTY_PARITY;
+                                int stat = data[i];
+                                int flag = TTY_NORMAL;
+
+                                if (stat & RXERROR_OVERRUN) {
+                                        tty_insert_flip_char(&port->port, 0,
+                                                                TTY_OVERRUN);
+                                }
                                 /* XXX should handle break (0x10) */
+                                if (stat & RXERROR_PARITY)
+                                        flag = TTY_PARITY;
+                                else if (stat & RXERROR_FRAMING)
+                                        flag = TTY_FRAME;
+
                                 tty_insert_flip_char(&port->port, data[i+1],
                                                 flag);
                         }
@@ -649,14 +655,19 @@ static void	usa49_indat_callback(struct urb *urb)
                 } else {
                         /* some bytes had errors, every byte has status */
                         for (i = 0; i + 1 < urb->actual_length; i += 2) {
-                                int stat = data[i], flag = 0;
-                                if (stat & RXERROR_OVERRUN)
-                                        flag |= TTY_OVERRUN;
-                                if (stat & RXERROR_FRAMING)
-                                        flag |= TTY_FRAME;
-                                if (stat & RXERROR_PARITY)
-                                        flag |= TTY_PARITY;
+                                int stat = data[i];
+                                int flag = TTY_NORMAL;
+
+                                if (stat & RXERROR_OVERRUN) {
+                                        tty_insert_flip_char(&port->port, 0,
+                                                                TTY_OVERRUN);
+                                }
                                 /* XXX should handle break (0x10) */
+                                if (stat & RXERROR_PARITY)
+                                        flag = TTY_PARITY;
+                                else if (stat & RXERROR_FRAMING)
+                                        flag = TTY_FRAME;
+
                                 tty_insert_flip_char(&port->port, data[i+1],
                                                 flag);
                         }
@@ -713,15 +724,19 @@ static void usa49wg_indat_callback(struct urb *urb)
                          */
                         for (x = 0; x + 1 < len &&
                                     i + 1 < urb->actual_length; x += 2) {
-                                int stat = data[i], flag = 0;
+                                int stat = data[i];
+                                int flag = TTY_NORMAL;
 
-                                if (stat & RXERROR_OVERRUN)
-                                        flag |= TTY_OVERRUN;
-                                if (stat & RXERROR_FRAMING)
-                                        flag |= TTY_FRAME;
-                                if (stat & RXERROR_PARITY)
-                                        flag |= TTY_PARITY;
+                                if (stat & RXERROR_OVERRUN) {
+                                        tty_insert_flip_char(&port->port, 0,
+                                                                TTY_OVERRUN);
+                                }
                                 /* XXX should handle break (0x10) */
+                                if (stat & RXERROR_PARITY)
+                                        flag = TTY_PARITY;
+                                else if (stat & RXERROR_FRAMING)
+                                        flag = TTY_FRAME;
+
                                 tty_insert_flip_char(&port->port, data[i+1],
                                                      flag);
                                 i += 2;
@@ -773,25 +788,31 @@ static void usa90_indat_callback(struct urb *urb)
                         if ((data[0] & 0x80) == 0) {
                                 /* no errors on individual bytes, only
                                    possible overrun err*/
-                                if (data[0] & RXERROR_OVERRUN)
-                                        err = TTY_OVERRUN;
-                                else
-                                        err = 0;
+                                if (data[0] & RXERROR_OVERRUN) {
+                                        tty_insert_flip_char(&port->port, 0,
+                                                                TTY_OVERRUN);
+                                }
                                 for (i = 1; i < urb->actual_length ; ++i)
                                         tty_insert_flip_char(&port->port,
-                                                        data[i], err);
+                                                        data[i], TTY_NORMAL);
                         }  else {
                         /* some bytes had errors, every byte has status */
                                 dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__);
                                 for (i = 0; i + 1 < urb->actual_length; i += 2) {
-                                        int stat = data[i], flag = 0;
-                                        if (stat & RXERROR_OVERRUN)
-                                                flag |= TTY_OVERRUN;
-                                        if (stat & RXERROR_FRAMING)
-                                                flag |= TTY_FRAME;
-                                        if (stat & RXERROR_PARITY)
-                                                flag |= TTY_PARITY;
+                                        int stat = data[i];
+                                        int flag = TTY_NORMAL;
+
+                                        if (stat & RXERROR_OVERRUN) {
+                                                tty_insert_flip_char(
+                                                                &port->port, 0,
+                                                                TTY_OVERRUN);
+                                        }
                                         /* XXX should handle break (0x10) */
+                                        if (stat & RXERROR_PARITY)
+                                                flag = TTY_PARITY;
+                                        else if (stat & RXERROR_FRAMING)
+                                                flag = TTY_FRAME;
+
                                         tty_insert_flip_char(&port->port,
                                                         data[i+1], flag);
                                 }
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index a7fe664b6b7d..70a098de429f 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -490,10 +490,9 @@ static void ssu100_update_lsr(struct usb_serial_port *port, u8 lsr,
                         if (*tty_flag == TTY_NORMAL)
                                 *tty_flag = TTY_FRAME;
                 }
-                if (lsr & UART_LSR_OE){
+                if (lsr & UART_LSR_OE) {
                         port->icount.overrun++;
-                        if (*tty_flag == TTY_NORMAL)
-                                *tty_flag = TTY_OVERRUN;
+                        tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
                 }
         }
 
@@ -511,12 +510,8 @@ static void ssu100_process_read_urb(struct urb *urb)
         if ((len >= 4) &&
             (packet[0] == 0x1b) && (packet[1] == 0x1b) &&
             ((packet[2] == 0x00) || (packet[2] == 0x01))) {
-                if (packet[2] == 0x00) {
+                if (packet[2] == 0x00)
                         ssu100_update_lsr(port, packet[3], &flag);
-                        if (flag == TTY_OVERRUN)
-                                tty_insert_flip_char(&port->port, 0,
-                                                TTY_OVERRUN);
-                }
                 if (packet[2] == 0x01)
                         ssu100_update_msr(port, packet[3]);
 
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index 2fefaf923e4a..18a283d6de1c 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -103,3 +103,10 @@ UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,
                 "VL711",
                 USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                 US_FL_NO_ATA_1X),
+
+/* Reported-by: Hans de Goede <hdegoede@redhat.com> */
+UNUSUAL_DEV(0x4971, 0x1012, 0x0000, 0x9999,
+                "Hitachi",
+                "External HDD",
+                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+                US_FL_IGNORE_UAS),
diff --git a/fs/Makefile b/fs/Makefile
index 34a1b9dea6dd..da0bbb456d3f 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -104,7 +104,7 @@ obj-$(CONFIG_QNX6FS_FS)		+= qnx6/
 obj-$(CONFIG_AUTOFS4_FS)        += autofs4/
 obj-$(CONFIG_ADFS_FS)           += adfs/
 obj-$(CONFIG_FUSE_FS)           += fuse/
-obj-$(CONFIG_OVERLAYFS_FS)      += overlayfs/
+obj-$(CONFIG_OVERLAY_FS)        += overlayfs/
 obj-$(CONFIG_UDF_FS)            += udf/
 obj-$(CONFIG_SUN_OPENPROMFS)    += openpromfs/
 obj-$(CONFIG_OMFS_FS)           += omfs/
diff --git a/fs/aio.c b/fs/aio.c
index 84a751005f5b..14b93159ef83 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -165,6 +165,15 @@ static struct vfsmount *aio_mnt;
 static const struct file_operations aio_ring_fops;
 static const struct address_space_operations aio_ctx_aops;
 
+/* Backing dev info for aio fs.
+ * -no dirty page accounting or writeback happens
+ */
+static struct backing_dev_info aio_fs_backing_dev_info = {
+        .name           = "aiofs",
+        .state          = 0,
+        .capabilities   = BDI_CAP_NO_ACCT_AND_WRITEBACK | BDI_CAP_MAP_COPY,
+};
+
 static struct file *aio_private_file(struct kioctx *ctx, loff_t nr_pages)
 {
         struct qstr this = QSTR_INIT("[aio]", 5);
@@ -176,6 +185,7 @@ static struct file *aio_private_file(struct kioctx *ctx, loff_t nr_pages)
 
         inode->i_mapping->a_ops = &aio_ctx_aops;
         inode->i_mapping->private_data = ctx;
+        inode->i_mapping->backing_dev_info = &aio_fs_backing_dev_info;
         inode->i_size = PAGE_SIZE * nr_pages;
 
         path.dentry = d_alloc_pseudo(aio_mnt->mnt_sb, &this);
@@ -220,6 +230,9 @@ static int __init aio_setup(void)
         if (IS_ERR(aio_mnt))
                 panic("Failed to create aio fs mount.");
 
+        if (bdi_init(&aio_fs_backing_dev_info))
+                panic("Failed to init aio fs backing dev info.");
+
         kiocb_cachep = KMEM_CACHE(kiocb, SLAB_HWCACHE_ALIGN|SLAB_PANIC);
         kioctx_cachep = KMEM_CACHE(kioctx,SLAB_HWCACHE_ALIGN|SLAB_PANIC);
 
@@ -281,11 +294,6 @@ static const struct file_operations aio_ring_fops = {
         .mmap = aio_ring_mmap,
 };
 
-static int aio_set_page_dirty(struct page *page)
-{
-        return 0;
-}
-
 #if IS_ENABLED(CONFIG_MIGRATION)
 static int aio_migratepage(struct address_space *mapping, struct page *new,
                         struct page *old, enum migrate_mode mode)
@@ -357,7 +365,7 @@ out:
 #endif
 
 static const struct address_space_operations aio_ctx_aops = {
-        .set_page_dirty = aio_set_page_dirty,
+        .set_page_dirty = __set_page_dirty_no_writeback,
 #if IS_ENABLED(CONFIG_MIGRATION)
         .migratepage    = aio_migratepage,
 #endif
@@ -412,7 +420,6 @@ static int aio_setup_ring(struct kioctx *ctx)
                 pr_debug("pid(%d) page[%d]->count=%d\n",
                          current->pid, i, page_count(page));
                 SetPageUptodate(page);
-                SetPageDirty(page);
                 unlock_page(page);
 
                 ctx->ring_pages[i] = page;
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 19bc6162fb8e..150822ee0a0b 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -80,13 +80,6 @@ noinline void btrfs_clear_path_blocking(struct btrfs_path *p,
 {
         int i;
 
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-        /* lockdep really cares that we take all of these spinlocks
-         * in the right order.  If any of the locks in the path are not
-         * currently blocking, it is going to complain.  So, make really
-         * really sure by forcing the path to blocking before we clear
-         * the path blocking.
-         */
         if (held) {
                 btrfs_set_lock_blocking_rw(held, held_rw);
                 if (held_rw == BTRFS_WRITE_LOCK)
@@ -95,7 +88,6 @@ noinline void btrfs_clear_path_blocking(struct btrfs_path *p,
                         held_rw = BTRFS_READ_LOCK_BLOCKING;
         }
         btrfs_set_path_blocking(p);
-#endif
 
         for (i = BTRFS_MAX_LEVEL - 1; i >= 0; i--) {
                 if (p->nodes[i] && p->locks[i]) {
@@ -107,10 +99,8 @@ noinline void btrfs_clear_path_blocking(struct btrfs_path *p,
                 }
         }
 
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
         if (held)
                 btrfs_clear_lock_blocking_rw(held, held_rw);
-#endif
 }
 
 /* this also releases the path */
@@ -2893,7 +2883,7 @@ cow_done:
                                         }
                                         p->locks[level] = BTRFS_WRITE_LOCK;
                                 } else {
-                                        err = btrfs_try_tree_read_lock(b);
+                                        err = btrfs_tree_read_lock_atomic(b);
                                         if (!err) {
                                                 btrfs_set_path_blocking(p);
                                                 btrfs_tree_read_lock(b);
@@ -3025,7 +3015,7 @@ again:
                         }
 
                         level = btrfs_header_level(b);
-                        err = btrfs_try_tree_read_lock(b);
+                        err = btrfs_tree_read_lock_atomic(b);
                         if (!err) {
                                 btrfs_set_path_blocking(p);
                                 btrfs_tree_read_lock(b);
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c
index 5665d2149249..f8229ef1b46d 100644
--- a/fs/btrfs/locking.c
+++ b/fs/btrfs/locking.c
@@ -128,6 +128,26 @@ again:
 }
 
 /*
+ * take a spinning read lock.
+ * returns 1 if we get the read lock and 0 if we don't
+ * this won't wait for blocking writers
+ */
+int btrfs_tree_read_lock_atomic(struct extent_buffer *eb)
+{
+        if (atomic_read(&eb->blocking_writers))
+                return 0;
+
+        read_lock(&eb->lock);
+        if (atomic_read(&eb->blocking_writers)) {
+                read_unlock(&eb->lock);
+                return 0;
+        }
+        atomic_inc(&eb->read_locks);
+        atomic_inc(&eb->spinning_readers);
+        return 1;
+}
+
+/*
  * returns 1 if we get the read lock and 0 if we don't
  * this won't wait for blocking writers
  */
@@ -158,9 +178,7 @@ int btrfs_try_tree_write_lock(struct extent_buffer *eb)
             atomic_read(&eb->blocking_readers))
                 return 0;
 
-        if (!write_trylock(&eb->lock))
-                return 0;
-
+        write_lock(&eb->lock);
         if (atomic_read(&eb->blocking_writers) ||
             atomic_read(&eb->blocking_readers)) {
                 write_unlock(&eb->lock);
diff --git a/fs/btrfs/locking.h b/fs/btrfs/locking.h
index b81e0e9a4894..c44a9d5f5362 100644
--- a/fs/btrfs/locking.h
+++ b/fs/btrfs/locking.h
@@ -35,6 +35,8 @@ void btrfs_clear_lock_blocking_rw(struct extent_buffer *eb, int rw);
 void btrfs_assert_tree_locked(struct extent_buffer *eb);
 int btrfs_try_tree_read_lock(struct extent_buffer *eb);
 int btrfs_try_tree_write_lock(struct extent_buffer *eb);
+int btrfs_tree_read_lock_atomic(struct extent_buffer *eb);
+
 
 static inline void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw)
 {
diff --git a/fs/dcache.c b/fs/dcache.c
index 3ffef7f4e5cd..5bc72b07fde2 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -778,6 +778,7 @@ restart:
                         struct dentry *parent = lock_parent(dentry);
                         if (likely(!dentry->d_lockref.count)) {
                                 __dentry_kill(dentry);
+                                dput(parent);
                                 goto restart;
                         }
                         if (parent)
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index fe839b915116..d67a16f2a45d 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -174,27 +174,6 @@ struct iso9660_options{
  * Compute the hash for the isofs name corresponding to the dentry.
  */
 static int
-isofs_hash_common(struct qstr *qstr, int ms)
-{
-        const char *name;
-        int len;
-
-        len = qstr->len;
-        name = qstr->name;
-        if (ms) {
-                while (len && name[len-1] == '.')
-                        len--;
-        }
-
-        qstr->hash = full_name_hash(name, len);
-
-        return 0;
-}
-
-/*
- * Compute the hash for the isofs name corresponding to the dentry.
- */
-static int
 isofs_hashi_common(struct qstr *qstr, int ms)
 {
         const char *name;
@@ -263,6 +242,27 @@ isofs_dentry_cmpi(const struct dentry *parent, const struct dentry *dentry,
 }
 
 #ifdef CONFIG_JOLIET
+/*
+ * Compute the hash for the isofs name corresponding to the dentry.
+ */
+static int
+isofs_hash_common(struct qstr *qstr, int ms)
+{
+        const char *name;
+        int len;
+
+        len = qstr->len;
+        name = qstr->name;
+        if (ms) {
+                while (len && name[len-1] == '.')
+                        len--;
+        }
+
+        qstr->hash = full_name_hash(name, len);
+
+        return 0;
+}
+
 static int
 isofs_hash_ms(const struct dentry *dentry, struct qstr *qstr)
 {
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index ed2b1151b171..7cbdf1b2e4ab 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -774,8 +774,12 @@ static bool nfsd41_cb_get_slot(struct nfs4_client *clp, struct rpc_task *task)
 {
         if (test_and_set_bit(0, &clp->cl_cb_slot_busy) != 0) {
                 rpc_sleep_on(&clp->cl_cb_waitq, task, NULL);
-                dprintk("%s slot is busy\n", __func__);
-                return false;
+                /* Race breaker */
+                if (test_and_set_bit(0, &clp->cl_cb_slot_busy) != 0) {
+                        dprintk("%s slot is busy\n", __func__);
+                        return false;
+                }
+                rpc_wake_up_queued_task(&clp->cl_cb_waitq, task);
         }
         return true;
 }
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 747f3b95bd11..33a46a8dfaf7 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -335,12 +335,15 @@ void		nfsd_lockd_shutdown(void);
         (NFSD4_SUPPORTED_ATTRS_WORD2 | FATTR4_WORD2_SUPPATTR_EXCLCREAT)
 
 #ifdef CONFIG_NFSD_V4_SECURITY_LABEL
-#define NFSD4_2_SUPPORTED_ATTRS_WORD2 \
-        (NFSD4_1_SUPPORTED_ATTRS_WORD2 | FATTR4_WORD2_SECURITY_LABEL)
+#define NFSD4_2_SECURITY_ATTRS          FATTR4_WORD2_SECURITY_LABEL
 #else
-#define NFSD4_2_SUPPORTED_ATTRS_WORD2 0
+#define NFSD4_2_SECURITY_ATTRS          0
 #endif
 
+#define NFSD4_2_SUPPORTED_ATTRS_WORD2 \
+        (NFSD4_1_SUPPORTED_ATTRS_WORD2 | \
+        NFSD4_2_SECURITY_ATTRS)
+
 static inline u32 nfsd_suppattrs0(u32 minorversion)
 {
         return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD0
diff --git a/fs/overlayfs/Kconfig b/fs/overlayfs/Kconfig
index e60125976873..34355818a2e0 100644
--- a/fs/overlayfs/Kconfig
+++ b/fs/overlayfs/Kconfig
@@ -1,4 +1,4 @@
-config OVERLAYFS_FS
+config OVERLAY_FS
         tristate "Overlay filesystem support"
         help
           An overlay filesystem combines two filesystems - an 'upper' filesystem
diff --git a/fs/overlayfs/Makefile b/fs/overlayfs/Makefile
index 8f91889480d0..900daed3e91d 100644
--- a/fs/overlayfs/Makefile
+++ b/fs/overlayfs/Makefile
@@ -2,6 +2,6 @@
 # Makefile for the overlay filesystem.
 #
 
-obj-$(CONFIG_OVERLAYFS_FS) += overlayfs.o
+obj-$(CONFIG_OVERLAY_FS) += overlay.o
 
-overlayfs-objs := super.o inode.o dir.o readdir.o copy_up.o
+overlay-objs := super.o inode.o dir.o readdir.o copy_up.o
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index 15cd91ad9940..8ffc4b980f1b 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -284,8 +284,7 @@ out:
         return ERR_PTR(err);
 }
 
-static struct dentry *ovl_check_empty_and_clear(struct dentry *dentry,
-                                                enum ovl_path_type type)
+static struct dentry *ovl_check_empty_and_clear(struct dentry *dentry)
 {
         int err;
         struct dentry *ret = NULL;
@@ -294,8 +293,17 @@ static struct dentry *ovl_check_empty_and_clear(struct dentry *dentry,
         err = ovl_check_empty_dir(dentry, &list);
         if (err)
                 ret = ERR_PTR(err);
-        else if (type == OVL_PATH_MERGE)
-                ret = ovl_clear_empty(dentry, &list);
+        else {
+                /*
+                 * If no upperdentry then skip clearing whiteouts.
+                 *
+                 * Can race with copy-up, since we don't hold the upperdir
+                 * mutex.  Doesn't matter, since copy-up can't create a
+                 * non-empty directory from an empty one.
+                 */
+                if (ovl_dentry_upper(dentry))
+                        ret = ovl_clear_empty(dentry, &list);
+        }
 
         ovl_cache_free(&list);
 
@@ -487,8 +495,7 @@ out:
         return err;
 }
 
-static int ovl_remove_and_whiteout(struct dentry *dentry,
-                                   enum ovl_path_type type, bool is_dir)
+static int ovl_remove_and_whiteout(struct dentry *dentry, bool is_dir)
 {
         struct dentry *workdir = ovl_workdir(dentry);
         struct inode *wdir = workdir->d_inode;
@@ -500,7 +507,7 @@ static int ovl_remove_and_whiteout(struct dentry *dentry,
         int err;
 
         if (is_dir) {
-                opaquedir = ovl_check_empty_and_clear(dentry, type);
+                opaquedir = ovl_check_empty_and_clear(dentry);
                 err = PTR_ERR(opaquedir);
                 if (IS_ERR(opaquedir))
                         goto out;
@@ -515,9 +522,10 @@ static int ovl_remove_and_whiteout(struct dentry *dentry,
         if (IS_ERR(whiteout))
                 goto out_unlock;
 
-        if (type == OVL_PATH_LOWER) {
+        upper = ovl_dentry_upper(dentry);
+        if (!upper) {
                 upper = lookup_one_len(dentry->d_name.name, upperdir,
-                                           dentry->d_name.len);
+                                       dentry->d_name.len);
                 err = PTR_ERR(upper);
                 if (IS_ERR(upper))
                         goto kill_whiteout;
@@ -529,7 +537,6 @@ static int ovl_remove_and_whiteout(struct dentry *dentry,
         } else {
                 int flags = 0;
 
-                upper = ovl_dentry_upper(dentry);
                 if (opaquedir)
                         upper = opaquedir;
                 err = -ESTALE;
@@ -648,7 +655,7 @@ static int ovl_do_remove(struct dentry *dentry, bool is_dir)
                 cap_raise(override_cred->cap_effective, CAP_CHOWN);
                 old_cred = override_creds(override_cred);
 
-                err = ovl_remove_and_whiteout(dentry, type, is_dir);
+                err = ovl_remove_and_whiteout(dentry, is_dir);
 
                 revert_creds(old_cred);
                 put_cred(override_cred);
@@ -781,7 +788,7 @@ static int ovl_rename2(struct inode *olddir, struct dentry *old,
         }
 
         if (overwrite && (new_type == OVL_PATH_LOWER || new_type == OVL_PATH_MERGE) && new_is_dir) {
-                opaquedir = ovl_check_empty_and_clear(new, new_type);
+                opaquedir = ovl_check_empty_and_clear(new);
                 err = PTR_ERR(opaquedir);
                 if (IS_ERR(opaquedir)) {
                         opaquedir = NULL;
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index af2d18c9fcee..07d74b24913b 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -235,26 +235,36 @@ out:
         return err;
 }
 
+static bool ovl_need_xattr_filter(struct dentry *dentry,
+                                  enum ovl_path_type type)
+{
+        return type == OVL_PATH_UPPER && S_ISDIR(dentry->d_inode->i_mode);
+}
+
 ssize_t ovl_getxattr(struct dentry *dentry, const char *name,
                      void *value, size_t size)
 {
-        if (ovl_path_type(dentry->d_parent) == OVL_PATH_MERGE &&
-            ovl_is_private_xattr(name))
+        struct path realpath;
+        enum ovl_path_type type = ovl_path_real(dentry, &realpath);
+
+        if (ovl_need_xattr_filter(dentry, type) && ovl_is_private_xattr(name))
                 return -ENODATA;
 
-        return vfs_getxattr(ovl_dentry_real(dentry), name, value, size);
+        return vfs_getxattr(realpath.dentry, name, value, size);
 }
 
 ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size)
 {
+        struct path realpath;
+        enum ovl_path_type type = ovl_path_real(dentry, &realpath);
         ssize_t res;
         int off;
 
-        res = vfs_listxattr(ovl_dentry_real(dentry), list, size);
+        res = vfs_listxattr(realpath.dentry, list, size);
         if (res <= 0 || size == 0)
                 return res;
 
-        if (ovl_path_type(dentry->d_parent) != OVL_PATH_MERGE)
+        if (!ovl_need_xattr_filter(dentry, type))
                 return res;
 
         /* filter out private xattrs */
@@ -279,17 +289,16 @@ int ovl_removexattr(struct dentry *dentry, const char *name)
 {
         int err;
         struct path realpath;
-        enum ovl_path_type type;
+        enum ovl_path_type type = ovl_path_real(dentry, &realpath);
 
         err = ovl_want_write(dentry);
         if (err)
                 goto out;
 
-        if (ovl_path_type(dentry->d_parent) == OVL_PATH_MERGE &&
-            ovl_is_private_xattr(name))
+        err = -ENODATA;
+        if (ovl_need_xattr_filter(dentry, type) && ovl_is_private_xattr(name))
                 goto out_drop_write;
 
-        type = ovl_path_real(dentry, &realpath);
         if (type == OVL_PATH_LOWER) {
                 err = vfs_getxattr(realpath.dentry, name, NULL, 0);
                 if (err < 0)
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c
index 2a7ef4f8e2a6..ab1e3dcbed95 100644
--- a/fs/overlayfs/readdir.c
+++ b/fs/overlayfs/readdir.c
@@ -274,11 +274,11 @@ static int ovl_dir_mark_whiteouts(struct dentry *dir,
         return 0;
 }
 
-static inline int ovl_dir_read_merged(struct path *upperpath,
-                                      struct path *lowerpath,
-                                      struct list_head *list)
+static int ovl_dir_read_merged(struct dentry *dentry, struct list_head *list)
 {
         int err;
+        struct path lowerpath;
+        struct path upperpath;
         struct ovl_readdir_data rdd = {
                 .ctx.actor = ovl_fill_merge,
                 .list = list,
@@ -286,25 +286,28 @@ static inline int ovl_dir_read_merged(struct path *upperpath,
                 .is_merge = false,
         };
 
-        if (upperpath->dentry) {
-                err = ovl_dir_read(upperpath, &rdd);
+        ovl_path_lower(dentry, &lowerpath);
+        ovl_path_upper(dentry, &upperpath);
+
+        if (upperpath.dentry) {
+                err = ovl_dir_read(&upperpath, &rdd);
                 if (err)
                         goto out;
 
-                if (lowerpath->dentry) {
-                        err = ovl_dir_mark_whiteouts(upperpath->dentry, &rdd);
+                if (lowerpath.dentry) {
+                        err = ovl_dir_mark_whiteouts(upperpath.dentry, &rdd);
                         if (err)
                                 goto out;
                 }
         }
-        if (lowerpath->dentry) {
+        if (lowerpath.dentry) {
                 /*
                  * Insert lowerpath entries before upperpath ones, this allows
                  * offsets to be reasonably constant
                  */
                 list_add(&rdd.middle, rdd.list);
                 rdd.is_merge = true;
-                err = ovl_dir_read(lowerpath, &rdd);
+                err = ovl_dir_read(&lowerpath, &rdd);
                 list_del(&rdd.middle);
         }
 out:
@@ -329,8 +332,6 @@ static void ovl_seek_cursor(struct ovl_dir_file *od, loff_t pos)
 static struct ovl_dir_cache *ovl_cache_get(struct dentry *dentry)
 {
         int res;
-        struct path lowerpath;
-        struct path upperpath;
         struct ovl_dir_cache *cache;
 
         cache = ovl_dir_cache(dentry);
@@ -347,10 +348,7 @@ static struct ovl_dir_cache *ovl_cache_get(struct dentry *dentry)
         cache->refcount = 1;
         INIT_LIST_HEAD(&cache->entries);
 
-        ovl_path_lower(dentry, &lowerpath);
-        ovl_path_upper(dentry, &upperpath);
-
-        res = ovl_dir_read_merged(&upperpath, &lowerpath, &cache->entries);
+        res = ovl_dir_read_merged(dentry, &cache->entries);
         if (res) {
                 ovl_cache_free(&cache->entries);
                 kfree(cache);
@@ -452,10 +450,10 @@ static int ovl_dir_fsync(struct file *file, loff_t start, loff_t end,
         /*
          * Need to check if we started out being a lower dir, but got copied up
          */
-        if (!od->is_upper && ovl_path_type(dentry) == OVL_PATH_MERGE) {
+        if (!od->is_upper && ovl_path_type(dentry) != OVL_PATH_LOWER) {
                 struct inode *inode = file_inode(file);
 
-                realfile =lockless_dereference(od->upperfile);
+                realfile = lockless_dereference(od->upperfile);
                 if (!realfile) {
                         struct path upperpath;
 
@@ -538,14 +536,9 @@ const struct file_operations ovl_dir_operations = {
 int ovl_check_empty_dir(struct dentry *dentry, struct list_head *list)
 {
         int err;
-        struct path lowerpath;
-        struct path upperpath;
         struct ovl_cache_entry *p;
 
-        ovl_path_upper(dentry, &upperpath);
-        ovl_path_lower(dentry, &lowerpath);
-
-        err = ovl_dir_read_merged(&upperpath, &lowerpath, list);
+        err = ovl_dir_read_merged(dentry, list);
         if (err)
                 return err;
 
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 08b704cebfc4..f16d318b71f8 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -24,7 +24,7 @@ MODULE_AUTHOR("Miklos Szeredi <miklos@szeredi.hu>");
 MODULE_DESCRIPTION("Overlay filesystem");
 MODULE_LICENSE("GPL");
 
-#define OVERLAYFS_SUPER_MAGIC 0x794c764f
+#define OVERLAYFS_SUPER_MAGIC 0x794c7630
 
 struct ovl_config {
         char *lowerdir;
@@ -84,12 +84,7 @@ enum ovl_path_type ovl_path_type(struct dentry *dentry)
 
 static struct dentry *ovl_upperdentry_dereference(struct ovl_entry *oe)
 {
-        struct dentry *upperdentry = ACCESS_ONCE(oe->__upperdentry);
-        /*
-         * Make sure to order reads to upperdentry wrt ovl_dentry_update()
-         */
-        smp_read_barrier_depends();
-        return upperdentry;
+        return lockless_dereference(oe->__upperdentry);
 }
 
 void ovl_path_upper(struct dentry *dentry, struct path *path)
@@ -462,11 +457,34 @@ static const match_table_t ovl_tokens = {
         {OPT_ERR,                       NULL}
 };
 
+static char *ovl_next_opt(char **s)
+{
+        char *sbegin = *s;
+        char *p;
+
+        if (sbegin == NULL)
+                return NULL;
+
+        for (p = sbegin; *p; p++) {
+                if (*p == '\\') {
+                        p++;
+                        if (!*p)
+                                break;
+                } else if (*p == ',') {
+                        *p = '\0';
+                        *s = p + 1;
+                        return sbegin;
+                }
+        }
+        *s = NULL;
+        return sbegin;
+}
+
 static int ovl_parse_opt(char *opt, struct ovl_config *config)
 {
         char *p;
 
-        while ((p = strsep(&opt, ",")) != NULL) {
+        while ((p = ovl_next_opt(&opt)) != NULL) {
                 int token;
                 substring_t args[MAX_OPT_ARGS];
 
@@ -554,15 +572,34 @@ out_dput:
         goto out_unlock;
 }
 
+static void ovl_unescape(char *s)
+{
+        char *d = s;
+
+        for (;; s++, d++) {
+                if (*s == '\\')
+                        s++;
+                *d = *s;
+                if (!*s)
+                        break;
+        }
+}
+
 static int ovl_mount_dir(const char *name, struct path *path)
 {
         int err;
+        char *tmp = kstrdup(name, GFP_KERNEL);
+
+        if (!tmp)
+                return -ENOMEM;
 
-        err = kern_path(name, LOOKUP_FOLLOW, path);
+        ovl_unescape(tmp);
+        err = kern_path(tmp, LOOKUP_FOLLOW, path);
         if (err) {
-                pr_err("overlayfs: failed to resolve '%s': %i\n", name, err);
+                pr_err("overlayfs: failed to resolve '%s': %i\n", tmp, err);
                 err = -EINVAL;
         }
+        kfree(tmp);
         return err;
 }
 
@@ -776,11 +813,11 @@ static struct dentry *ovl_mount(struct file_system_type *fs_type, int flags,
 
 static struct file_system_type ovl_fs_type = {
         .owner          = THIS_MODULE,
-        .name           = "overlayfs",
+        .name           = "overlay",
         .mount          = ovl_mount,
         .kill_sb        = kill_anon_super,
 };
-MODULE_ALIAS_FS("overlayfs");
+MODULE_ALIAS_FS("overlay");
 
 static int __init ovl_init(void)
 {
diff --git a/include/dt-bindings/clock/qcom,mmcc-apq8084.h b/include/dt-bindings/clock/qcom,mmcc-apq8084.h
index a929f86d0ddd..d72b5b35f15e 100644
--- a/include/dt-bindings/clock/qcom,mmcc-apq8084.h
+++ b/include/dt-bindings/clock/qcom,mmcc-apq8084.h
@@ -60,7 +60,7 @@
 #define ESC1_CLK_SRC                    43
 #define HDMI_CLK_SRC                    44
 #define VSYNC_CLK_SRC                   45
-#define RBCPR_CLK_SRC                   46
+#define MMSS_RBCPR_CLK_SRC              46
 #define RBBMTIMER_CLK_SRC               47
 #define MAPLE_CLK_SRC                   48
 #define VDP_CLK_SRC                     49
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index be21af149f11..2839c639f092 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -352,7 +352,6 @@ struct clk_divider {
 #define CLK_DIVIDER_READ_ONLY           BIT(5)
 
 extern const struct clk_ops clk_divider_ops;
-extern const struct clk_ops clk_divider_ro_ops;
 struct clk *clk_register_divider(struct device *dev, const char *name,
                 const char *parent_name, unsigned long flags,
                 void __iomem *reg, u8 shift, u8 width,
diff --git a/include/linux/iio/events.h b/include/linux/iio/events.h
index 8bbd7bc1043d..03fa332ad2a8 100644
--- a/include/linux/iio/events.h
+++ b/include/linux/iio/events.h
@@ -72,7 +72,7 @@ struct iio_event_data {
 
 #define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF)
 
-#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0xCF)
+#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F)
 
 #define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF)
 
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ea53b04993f2..a6059bdf7b03 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -703,7 +703,7 @@ void kvm_arch_sync_events(struct kvm *kvm);
 int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
 void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
 
-bool kvm_is_mmio_pfn(pfn_t pfn);
+bool kvm_is_reserved_pfn(pfn_t pfn);
 
 struct kvm_irq_ack_notifier {
         struct hlist_node link;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 5be8db45e368..4c8ac5fcc224 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -331,6 +331,7 @@ struct pci_dev {
         unsigned int    is_added:1;
         unsigned int    is_busmaster:1; /* device is busmaster */
         unsigned int    no_msi:1;       /* device may not use msi */
+        unsigned int    no_64bit_msi:1; /* device may only use 32-bit MSIs */
         unsigned int    block_cfg_access:1;     /* config space access is blocked */
         unsigned int    broken_parity_status:1; /* Device generates false positive parity */
         unsigned int    irq_reroute_variant:2;  /* device needs IRQ rerouting variant */
diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h
index d5c89e0dd0e6..51ce60c35f4c 100644
--- a/include/linux/percpu-refcount.h
+++ b/include/linux/percpu-refcount.h
@@ -133,7 +133,13 @@ static inline bool __ref_is_percpu(struct percpu_ref *ref,
         /* paired with smp_store_release() in percpu_ref_reinit() */
         smp_read_barrier_depends();
 
-        if (unlikely(percpu_ptr & __PERCPU_REF_ATOMIC))
+        /*
+         * Theoretically, the following could test just ATOMIC; however,
+         * then we'd have to mask off DEAD separately as DEAD may be
+         * visible without ATOMIC if we race with percpu_ref_kill().  DEAD
+         * implies ATOMIC anyway.  Test them together.
+         */
+        if (unlikely(percpu_ptr & __PERCPU_REF_ATOMIC_DEAD))
                 return false;
 
         *percpu_countp = (unsigned long __percpu *)percpu_ptr;
diff --git a/include/net/inet_common.h b/include/net/inet_common.h
index fe7994c48b75..b2828a06a5a6 100644
--- a/include/net/inet_common.h
+++ b/include/net/inet_common.h
@@ -37,6 +37,8 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
 int inet_ctl_sock_create(struct sock **sk, unsigned short family,
                          unsigned short type, unsigned char protocol,
                          struct net *net);
+int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,
+                    int *addr_len);
 
 static inline void inet_ctl_sock_destroy(struct sock *sk)
 {
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index e862497f7556..8bb00a27e219 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -184,6 +184,8 @@ struct snd_pcm_ops {
 #define SNDRV_PCM_FMTBIT_DSD_U8         _SNDRV_PCM_FMTBIT(DSD_U8)
 #define SNDRV_PCM_FMTBIT_DSD_U16_LE     _SNDRV_PCM_FMTBIT(DSD_U16_LE)
 #define SNDRV_PCM_FMTBIT_DSD_U32_LE     _SNDRV_PCM_FMTBIT(DSD_U32_LE)
+#define SNDRV_PCM_FMTBIT_DSD_U16_BE     _SNDRV_PCM_FMTBIT(DSD_U16_BE)
+#define SNDRV_PCM_FMTBIT_DSD_U32_BE     _SNDRV_PCM_FMTBIT(DSD_U32_BE)
 
 #ifdef SNDRV_LITTLE_ENDIAN
 #define SNDRV_PCM_FMTBIT_S16            SNDRV_PCM_FMTBIT_S16_LE
diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h
index 6ee586728df9..941d32f007dc 100644
--- a/include/uapi/sound/asound.h
+++ b/include/uapi/sound/asound.h
@@ -220,7 +220,9 @@ typedef int __bitwise snd_pcm_format_t;
 #define SNDRV_PCM_FORMAT_DSD_U8         ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */
 #define SNDRV_PCM_FORMAT_DSD_U16_LE     ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */
 #define SNDRV_PCM_FORMAT_DSD_U32_LE     ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */
-#define SNDRV_PCM_FORMAT_LAST           SNDRV_PCM_FORMAT_DSD_U32_LE
+#define SNDRV_PCM_FORMAT_DSD_U16_BE     ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */
+#define SNDRV_PCM_FORMAT_DSD_U32_BE     ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */
+#define SNDRV_PCM_FORMAT_LAST           SNDRV_PCM_FORMAT_DSD_U32_BE
 
 #ifdef SNDRV_LITTLE_ENDIAN
 #define SNDRV_PCM_FORMAT_S16            SNDRV_PCM_FORMAT_S16_LE
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 1d0af8a2c646..ed8f2cde34c5 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1640,7 +1640,6 @@ bool uprobe_deny_signal(void)
                 if (__fatal_signal_pending(t) || arch_uprobe_xol_was_trapped(t)) {
                         utask->state = UTASK_SSTEP_TRAPPED;
                         set_tsk_thread_flag(t, TIF_UPROBE);
-                        set_tsk_thread_flag(t, TIF_NOTIFY_RESUME);
                 }
         }
 
diff --git a/kernel/sched/idle_task.c b/kernel/sched/idle_task.c
index 67ad4e7f506a..c65dac8c97cd 100644
--- a/kernel/sched/idle_task.c
+++ b/kernel/sched/idle_task.c
@@ -75,6 +75,10 @@ static unsigned int get_rr_interval_idle(struct rq *rq, struct task_struct *task
         return 0;
 }
 
+static void update_curr_idle(struct rq *rq)
+{
+}
+
 /*
  * Simple, special scheduling class for the per-CPU idle tasks:
  */
@@ -101,4 +105,5 @@ const struct sched_class idle_sched_class = {
 
         .prio_changed           = prio_changed_idle,
         .switched_to            = switched_to_idle,
+        .update_curr            = update_curr_idle,
 };
diff --git a/kernel/sched/stop_task.c b/kernel/sched/stop_task.c
index 67426e529f59..79ffec45a6ac 100644
--- a/kernel/sched/stop_task.c
+++ b/kernel/sched/stop_task.c
@@ -102,6 +102,10 @@ get_rr_interval_stop(struct rq *rq, struct task_struct *task)
         return 0;
 }
 
+static void update_curr_stop(struct rq *rq)
+{
+}
+
 /*
  * Simple, special scheduling class for the per-CPU stop tasks:
  */
@@ -128,4 +132,5 @@ const struct sched_class stop_sched_class = {
 
         .prio_changed           = prio_changed_stop,
         .switched_to            = switched_to_stop,
+        .update_curr            = update_curr_stop,
 };
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 86c239b06f6e..9f5eb55a4d3a 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -281,6 +281,7 @@ static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = {
         [IFLA_BRPORT_MODE]      = { .type = NLA_U8 },
         [IFLA_BRPORT_GUARD]     = { .type = NLA_U8 },
         [IFLA_BRPORT_PROTECT]   = { .type = NLA_U8 },
+        [IFLA_BRPORT_FAST_LEAVE]= { .type = NLA_U8 },
         [IFLA_BRPORT_LEARNING]  = { .type = NLA_U8 },
         [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 },
 };
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index a6882686ca3a..b9b7dfaf202b 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2685,13 +2685,20 @@ static int rtnl_bridge_getlink(struct sk_buff *skb, struct netlink_callback *cb)
         int idx = 0;
         u32 portid = NETLINK_CB(cb->skb).portid;
         u32 seq = cb->nlh->nlmsg_seq;
-        struct nlattr *extfilt;
         u32 filter_mask = 0;
 
-        extfilt = nlmsg_find_attr(cb->nlh, sizeof(struct ifinfomsg),
-                                  IFLA_EXT_MASK);
-        if (extfilt)
-                filter_mask = nla_get_u32(extfilt);
+        if (nlmsg_len(cb->nlh) > sizeof(struct ifinfomsg)) {
+                struct nlattr *extfilt;
+
+                extfilt = nlmsg_find_attr(cb->nlh, sizeof(struct ifinfomsg),
+                                          IFLA_EXT_MASK);
+                if (extfilt) {
+                        if (nla_len(extfilt) < sizeof(filter_mask))
+                                return -EINVAL;
+
+                        filter_mask = nla_get_u32(extfilt);
+                }
+        }
 
         rcu_read_lock();
         for_each_netdev_rcu(net, dev) {
@@ -2798,6 +2805,9 @@ static int rtnl_bridge_setlink(struct sk_buff *skb, struct nlmsghdr *nlh)
         if (br_spec) {
                 nla_for_each_nested(attr, br_spec, rem) {
                         if (nla_type(attr) == IFLA_BRIDGE_FLAGS) {
+                                if (nla_len(attr) < sizeof(flags))
+                                        return -EINVAL;
+
                                 have_flags = true;
                                 flags = nla_get_u16(attr);
                                 break;
@@ -2868,6 +2878,9 @@ static int rtnl_bridge_dellink(struct sk_buff *skb, struct nlmsghdr *nlh)
         if (br_spec) {
                 nla_for_each_nested(attr, br_spec, rem) {
                         if (nla_type(attr) == IFLA_BRIDGE_FLAGS) {
+                                if (nla_len(attr) < sizeof(flags))
+                                        return -EINVAL;
+
                                 have_flags = true;
                                 flags = nla_get_u16(attr);
                                 break;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 3a096bb2d596..a44773c8346c 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1386,6 +1386,17 @@ out:
         return pp;
 }
 
+int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
+{
+        if (sk->sk_family == AF_INET)
+                return ip_recv_error(sk, msg, len, addr_len);
+#if IS_ENABLED(CONFIG_IPV6)
+        if (sk->sk_family == AF_INET6)
+                return pingv6_ops.ipv6_recv_error(sk, msg, len, addr_len);
+#endif
+        return -EINVAL;
+}
+
 static int inet_gro_complete(struct sk_buff *skb, int nhoff)
 {
         __be16 newlen = htons(skb->len - nhoff);
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 3e861011e4a3..1a7e979e80ba 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -528,6 +528,7 @@ static struct rtnl_link_ops vti_link_ops __read_mostly = {
         .validate       = vti_tunnel_validate,
         .newlink        = vti_newlink,
         .changelink     = vti_changelink,
+        .dellink        = ip_tunnel_dellink,
         .get_size       = vti_get_size,
         .fill_info      = vti_fill_info,
 };
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index ef8f6ee90473..8dd4ae0424fc 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -217,6 +217,8 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident)
                                              &ipv6_hdr(skb)->daddr))
                                 continue;
 #endif
+                } else {
+                        continue;
                 }
 
                 if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif)
@@ -853,16 +855,8 @@ int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
         if (flags & MSG_OOB)
                 goto out;
 
-        if (flags & MSG_ERRQUEUE) {
-                if (family == AF_INET) {
-                        return ip_recv_error(sk, msg, len, addr_len);
-#if IS_ENABLED(CONFIG_IPV6)
-                } else if (family == AF_INET6) {
-                        return pingv6_ops.ipv6_recv_error(sk, msg, len,
-                                                          addr_len);
-#endif
-                }
-        }
+        if (flags & MSG_ERRQUEUE)
+                return inet_recv_error(sk, msg, len, addr_len);
 
         skb = skb_recv_datagram(sk, flags, noblock, &err);
         if (!skb)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 435443bfc3c3..dc13a3657e8e 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1598,7 +1598,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
         u32 urg_hole = 0;
 
         if (unlikely(flags & MSG_ERRQUEUE))
-                return ip_recv_error(sk, msg, len, addr_len);
+                return inet_recv_error(sk, msg, len, addr_len);
 
         if (sk_can_busy_loop(sk) && skb_queue_empty(&sk->sk_receive_queue) &&
             (sk->sk_state == TCP_ESTABLISHED))
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 2c6a955fd5c3..33f5ff068c79 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -598,7 +598,10 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
         if (th->rst)
                 return;
 
-        if (skb_rtable(skb)->rt_type != RTN_LOCAL)
+        /* If sk not NULL, it means we did a successful lookup and incoming
+         * route had to be correct. prequeue might have dropped our dst.
+         */
+        if (!sk && skb_rtable(skb)->rt_type != RTN_LOCAL)
                 return;
 
         /* Swap the send and the receive. */
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index f6e2533c1145..13cda4c6313b 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -502,11 +502,11 @@ static int ip6gre_rcv(struct sk_buff *skb)
 
                 skb->protocol = gre_proto;
                 /* WCCP version 1 and 2 protocol decoding.
-                 * - Change protocol to IP
+                 * - Change protocol to IPv6
                  * - When dealing with WCCPv2, Skip extra 4 bytes in GRE header
                  */
                 if (flags == 0 && gre_proto == htons(ETH_P_WCCP)) {
-                        skb->protocol = htons(ETH_P_IP);
+                        skb->protocol = htons(ETH_P_IPV6);
                         if ((*(h + offset) & 0xF0) != 0x40)
                                 offset += 4;
                 }
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index fd76ce938c32..46d452a56d3e 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -69,7 +69,8 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
         int nhoff;
 
         if (unlikely(skb_shinfo(skb)->gso_type &
-                     ~(SKB_GSO_UDP |
+                     ~(SKB_GSO_TCPV4 |
+                       SKB_GSO_UDP |
                        SKB_GSO_DODGY |
                        SKB_GSO_TCP_ECN |
                        SKB_GSO_GRE |
diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c
index b04ed72c4542..8db6c98fe218 100644
--- a/net/ipv6/ip6_udp_tunnel.c
+++ b/net/ipv6/ip6_udp_tunnel.c
@@ -79,15 +79,13 @@ int udp_tunnel6_xmit_skb(struct socket *sock, struct dst_entry *dst,
         uh->source = src_port;
 
         uh->len = htons(skb->len);
-        uh->check = 0;
 
         memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
         IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED
                             | IPSKB_REROUTED);
         skb_dst_set(skb, dst);
 
-        udp6_set_csum(udp_get_no_check6_tx(sk), skb, &inet6_sk(sk)->saddr,
-                      &sk->sk_v6_daddr, skb->len);
+        udp6_set_csum(udp_get_no_check6_tx(sk), skb, saddr, daddr, skb->len);
 
         __skb_push(skb, sizeof(*ip6h));
         skb_reset_network_header(skb);
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 83082168b056..16a7e81e3f99 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -911,6 +911,15 @@ static int vti6_newlink(struct net *src_net, struct net_device *dev,
         return vti6_tnl_create2(dev);
 }
 
+static void vti6_dellink(struct net_device *dev, struct list_head *head)
+{
+        struct net *net = dev_net(dev);
+        struct vti6_net *ip6n = net_generic(net, vti6_net_id);
+
+        if (dev != ip6n->fb_tnl_dev)
+                unregister_netdevice_queue(dev, head);
+}
+
 static int vti6_changelink(struct net_device *dev, struct nlattr *tb[],
                            struct nlattr *data[])
 {
@@ -986,6 +995,7 @@ static struct rtnl_link_ops vti6_link_ops __read_mostly = {
         .setup          = vti6_dev_setup,
         .validate       = vti6_validate,
         .newlink        = vti6_newlink,
+        .dellink        = vti6_dellink,
         .changelink     = vti6_changelink,
         .get_size       = vti6_get_size,
         .fill_info      = vti6_fill_info,
@@ -1026,6 +1036,7 @@ static int __net_init vti6_init_net(struct net *net)
         if (!ip6n->fb_tnl_dev)
                 goto err_alloc_dev;
         dev_net_set(ip6n->fb_tnl_dev, net);
+        ip6n->fb_tnl_dev->rtnl_link_ops = &vti6_link_ops;
 
         err = vti6_fb_tnl_dev_init(ip6n->fb_tnl_dev);
         if (err < 0)
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 1985b4933a6b..d06af89162f1 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -903,7 +903,10 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
         if (th->rst)
                 return;
 
-        if (!ipv6_unicast_destination(skb))
+        /* If sk not NULL, it means we did a successful lookup and incoming
+         * route had to be correct. prequeue might have dropped our dst.
+         */
+        if (!sk && !ipv6_unicast_destination(skb))
                 return;
 
 #ifdef CONFIG_TCP_MD5SIG
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 2c699757bccf..5016a6929085 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -611,16 +611,12 @@ __nf_conntrack_confirm(struct sk_buff *skb)
          */
         NF_CT_ASSERT(!nf_ct_is_confirmed(ct));
         pr_debug("Confirming conntrack %p\n", ct);
-
-        /* We have to check the DYING flag after unlink to prevent
-         * a race against nf_ct_get_next_corpse() possibly called from
-         * user context, else we insert an already 'dead' hash, blocking
-         * further use of that particular connection -JM.
-         */
-        nf_ct_del_from_dying_or_unconfirmed_list(ct);
+        /* We have to check the DYING flag inside the lock to prevent
+           a race against nf_ct_get_next_corpse() possibly called from
+           user context, else we insert an already 'dead' hash, blocking
+           further use of that particular connection -JM */
 
         if (unlikely(nf_ct_is_dying(ct))) {
-                nf_ct_add_to_dying_list(ct);
                 nf_conntrack_double_unlock(hash, reply_hash);
                 local_bh_enable();
                 return NF_ACCEPT;
@@ -640,6 +636,8 @@ __nf_conntrack_confirm(struct sk_buff *skb)
                     zone == nf_ct_zone(nf_ct_tuplehash_to_ctrack(h)))
                         goto out;
 
+        nf_ct_del_from_dying_or_unconfirmed_list(ct);
+
         /* Timer relative to confirmation time, not original
            setting time, otherwise we'd get timer wrap in
            weird delay cases. */
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index dfb148e9fdaa..efa844501136 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -378,7 +378,7 @@ static void unregister_prot_hook(struct sock *sk, bool sync)
                 __unregister_prot_hook(sk, sync);
 }
 
-static inline __pure struct page *pgv_to_page(void *addr)
+static inline struct page * __pure pgv_to_page(void *addr)
 {
         if (is_vmalloc_addr(addr))
                 return vmalloc_to_page(addr);
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 3f959c681885..f9c052d508f0 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1019,17 +1019,12 @@ static int receive_cb_reply(struct svc_sock *svsk, struct svc_rqst *rqstp)
         xid = *p++;
         calldir = *p;
 
-        if (bc_xprt)
-                req = xprt_lookup_rqst(bc_xprt, xid);
-
-        if (!req) {
-                printk(KERN_NOTICE
-                        "%s: Got unrecognized reply: "
-                        "calldir 0x%x xpt_bc_xprt %p xid %08x\n",
-                        __func__, ntohl(calldir),
-                        bc_xprt, ntohl(xid));
+        if (!bc_xprt)
                 return -EAGAIN;
-        }
+        spin_lock_bh(&bc_xprt->transport_lock);
+        req = xprt_lookup_rqst(bc_xprt, xid);
+        if (!req)
+                goto unlock_notfound;
 
         memcpy(&req->rq_private_buf, &req->rq_rcv_buf, sizeof(struct xdr_buf));
         /*
@@ -1040,11 +1035,21 @@ static int receive_cb_reply(struct svc_sock *svsk, struct svc_rqst *rqstp)
         dst = &req->rq_private_buf.head[0];
         src = &rqstp->rq_arg.head[0];
         if (dst->iov_len < src->iov_len)
-                return -EAGAIN; /* whatever; just giving up. */
+                goto unlock_eagain; /* whatever; just giving up. */
         memcpy(dst->iov_base, src->iov_base, src->iov_len);
         xprt_complete_rqst(req->rq_task, rqstp->rq_arg.len);
         rqstp->rq_arg.len = 0;
+        spin_unlock_bh(&bc_xprt->transport_lock);
         return 0;
+unlock_notfound:
+        printk(KERN_NOTICE
+                "%s: Got unrecognized reply: "
+                "calldir 0x%x xpt_bc_xprt %p xid %08x\n",
+                __func__, ntohl(calldir),
+                bc_xprt, ntohl(xid));
+unlock_eagain:
+        spin_unlock_bh(&bc_xprt->transport_lock);
+        return -EAGAIN;
 }
 
 static int copy_pages_to_kvecs(struct kvec *vec, struct page **pages, int len)
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 42ded997b223..c6ff94ab1ad6 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -216,6 +216,8 @@ static char *snd_pcm_format_names[] = {
         FORMAT(DSD_U8),
         FORMAT(DSD_U16_LE),
         FORMAT(DSD_U32_LE),
+        FORMAT(DSD_U16_BE),
+        FORMAT(DSD_U32_BE),
 };
 
 const char *snd_pcm_format_name(snd_pcm_format_t format)
diff --git a/sound/core/pcm_misc.c b/sound/core/pcm_misc.c
index ae7a0feb3b76..ebe8444de6c6 100644
--- a/sound/core/pcm_misc.c
+++ b/sound/core/pcm_misc.c
@@ -152,6 +152,14 @@ static struct pcm_format_data pcm_formats[(INT)SNDRV_PCM_FORMAT_LAST+1] = {
                 .width = 32, .phys = 32, .le = 1, .signd = 0,
                 .silence = { 0x69, 0x69, 0x69, 0x69 },
         },
+        [SNDRV_PCM_FORMAT_DSD_U16_BE] = {
+                .width = 16, .phys = 16, .le = 0, .signd = 0,
+                .silence = { 0x69, 0x69 },
+        },
+        [SNDRV_PCM_FORMAT_DSD_U32_BE] = {
+                .width = 32, .phys = 32, .le = 0, .signd = 0,
+                .silence = { 0x69, 0x69, 0x69, 0x69 },
+        },
         /* FIXME: the following three formats are not defined properly yet */
         [SNDRV_PCM_FORMAT_MPEG] = {
                 .le = -1, .signd = -1,
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 16660f312043..48b6c5a3884f 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -298,7 +298,8 @@ enum {
 
 /* quirks for ATI/AMD HDMI */
 #define AZX_DCAPS_PRESET_ATI_HDMI \
-        (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB)
+        (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB|\
+         AZX_DCAPS_NO_MSI64)
 
 /* quirks for Nvidia */
 #define AZX_DCAPS_PRESET_NVIDIA \
@@ -1486,6 +1487,7 @@ static int azx_first_init(struct azx *chip)
         struct snd_card *card = chip->card;
         int err;
         unsigned short gcap;
+        unsigned int dma_bits = 64;
 
 #if BITS_PER_LONG != 64
         /* Fix up base address on ULI M5461 */
@@ -1509,9 +1511,14 @@ static int azx_first_init(struct azx *chip)
                 return -ENXIO;
         }
 
-        if (chip->msi)
+        if (chip->msi) {
+                if (chip->driver_caps & AZX_DCAPS_NO_MSI64) {
+                        dev_dbg(card->dev, "Disabling 64bit MSI\n");
+                        pci->no_64bit_msi = true;
+                }
                 if (pci_enable_msi(pci) < 0)
                         chip->msi = 0;
+        }
 
         if (azx_acquire_irq(chip, 0) < 0)
                 return -EBUSY;
@@ -1522,9 +1529,14 @@ static int azx_first_init(struct azx *chip)
         gcap = azx_readw(chip, GCAP);
         dev_dbg(card->dev, "chipset global capabilities = 0x%x\n", gcap);
 
+        /* AMD devices support 40 or 48bit DMA, take the safe one */
+        if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
+                dma_bits = 40;
+
         /* disable SB600 64bit support for safety */
         if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
                 struct pci_dev *p_smbus;
+                dma_bits = 40;
                 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
                                          PCI_DEVICE_ID_ATI_SBX00_SMBUS,
                                          NULL);
@@ -1554,9 +1566,11 @@ static int azx_first_init(struct azx *chip)
         }
 
         /* allow 64bit DMA address if supported by H/W */
-        if ((gcap & AZX_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
-                pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
-        else {
+        if (!(gcap & AZX_GCAP_64OK))
+                dma_bits = 32;
+        if (!pci_set_dma_mask(pci, DMA_BIT_MASK(dma_bits))) {
+                pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(dma_bits));
+        } else {
                 pci_set_dma_mask(pci, DMA_BIT_MASK(32));
                 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32));
         }
diff --git a/sound/pci/hda/hda_priv.h b/sound/pci/hda/hda_priv.h
index 949cd437eeb2..5016014e57f2 100644
--- a/sound/pci/hda/hda_priv.h
+++ b/sound/pci/hda/hda_priv.h
@@ -171,6 +171,7 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
 #define AZX_DCAPS_PM_RUNTIME    (1 << 26)       /* runtime PM support */
 #define AZX_DCAPS_I915_POWERWELL (1 << 27)      /* HSW i915 powerwell support */
 #define AZX_DCAPS_CORBRP_SELF_CLEAR (1 << 28)   /* CORBRP clears itself after reset */
+#define AZX_DCAPS_NO_MSI64      (1 << 29)       /* Stick to 32-bit MSIs */
 
 /* HD Audio class code */
 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO   0x0403
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 8fea1b86df25..14f16be3f374 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4818,7 +4818,6 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
         SND_PCI_QUIRK(0x103c, 0x221b, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
         SND_PCI_QUIRK(0x103c, 0x2221, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
         SND_PCI_QUIRK(0x103c, 0x2225, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
-        SND_PCI_QUIRK(0x103c, 0x2246, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
         SND_PCI_QUIRK(0x103c, 0x2253, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
         SND_PCI_QUIRK(0x103c, 0x2254, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
         SND_PCI_QUIRK(0x103c, 0x2255, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED),
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 7c83bab69dee..8c9bf4b7aaf0 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -593,10 +593,10 @@ static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
         if (mixer->chip->shutdown)
                 ret = -ENODEV;
         else
-                ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
+                ret = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
                                   0, wIndex,
-                                  &tmp, sizeof(tmp), 1000);
+                                  &tmp, sizeof(tmp));
         up_read(&mixer->chip->shutdown_rwsem);
 
         if (ret < 0) {
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index a5941f80fc5b..60dfe0d28771 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1193,12 +1193,12 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
         /* iFi Audio micro/nano iDSD */
         case USB_ID(0x20b1, 0x3008):
                 if (fp->altsetting == 2)
-                        return SNDRV_PCM_FMTBIT_DSD_U32_LE;
+                        return SNDRV_PCM_FMTBIT_DSD_U32_BE;
                 break;
         /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */
         case USB_ID(0x20b1, 0x2009):
                 if (fp->altsetting == 3)
-                        return SNDRV_PCM_FMTBIT_DSD_U32_LE;
+                        return SNDRV_PCM_FMTBIT_DSD_U32_BE;
                 break;
         default:
                 break;
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 3aaca49de325..aacdb59f30de 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -1933,7 +1933,7 @@ out:
 
 int kvm_vgic_create(struct kvm *kvm)
 {
-        int i, vcpu_lock_idx = -1, ret = 0;
+        int i, vcpu_lock_idx = -1, ret;
         struct kvm_vcpu *vcpu;
 
         mutex_lock(&kvm->lock);
@@ -1948,6 +1948,7 @@ int kvm_vgic_create(struct kvm *kvm)
          * vcpu->mutex.  By grabbing the vcpu->mutex of all VCPUs we ensure
          * that no other VCPUs are run while we create the vgic.
          */
+        ret = -EBUSY;
         kvm_for_each_vcpu(i, vcpu, kvm) {
                 if (!mutex_trylock(&vcpu->mutex))
                         goto out_unlock;
@@ -1955,11 +1956,10 @@ int kvm_vgic_create(struct kvm *kvm)
         }
 
         kvm_for_each_vcpu(i, vcpu, kvm) {
-                if (vcpu->arch.has_run_once) {
-                        ret = -EBUSY;
+                if (vcpu->arch.has_run_once)
                         goto out_unlock;
-                }
         }
+        ret = 0;
 
         spin_lock_init(&kvm->arch.vgic.lock);
         kvm->arch.vgic.in_kernel = true;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 25ffac9e947d..3cee7b167052 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -107,10 +107,10 @@ EXPORT_SYMBOL_GPL(kvm_rebooting);
 
 static bool largepages_enabled = true;
 
-bool kvm_is_mmio_pfn(pfn_t pfn)
+bool kvm_is_reserved_pfn(pfn_t pfn)
 {
         if (pfn_valid(pfn))
-                return !is_zero_pfn(pfn) && PageReserved(pfn_to_page(pfn));
+                return PageReserved(pfn_to_page(pfn));
 
         return true;
 }
@@ -1321,7 +1321,7 @@ static pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async,
         else if ((vma->vm_flags & VM_PFNMAP)) {
                 pfn = ((addr - vma->vm_start) >> PAGE_SHIFT) +
                         vma->vm_pgoff;
-                BUG_ON(!kvm_is_mmio_pfn(pfn));
+                BUG_ON(!kvm_is_reserved_pfn(pfn));
         } else {
                 if (async && vma_is_valid(vma, write_fault))
                         *async = true;
@@ -1427,7 +1427,7 @@ static struct page *kvm_pfn_to_page(pfn_t pfn)
         if (is_error_noslot_pfn(pfn))
                 return KVM_ERR_PTR_BAD_PAGE;
 
-        if (kvm_is_mmio_pfn(pfn)) {
+        if (kvm_is_reserved_pfn(pfn)) {
                 WARN_ON(1);
                 return KVM_ERR_PTR_BAD_PAGE;
         }
@@ -1456,7 +1456,7 @@ EXPORT_SYMBOL_GPL(kvm_release_page_clean);
 
 void kvm_release_pfn_clean(pfn_t pfn)
 {
-        if (!is_error_noslot_pfn(pfn) && !kvm_is_mmio_pfn(pfn))
+        if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn))
                 put_page(pfn_to_page(pfn));
 }
 EXPORT_SYMBOL_GPL(kvm_release_pfn_clean);
@@ -1477,7 +1477,7 @@ static void kvm_release_pfn_dirty(pfn_t pfn)
 
 void kvm_set_pfn_dirty(pfn_t pfn)
 {
-        if (!kvm_is_mmio_pfn(pfn)) {
+        if (!kvm_is_reserved_pfn(pfn)) {
                 struct page *page = pfn_to_page(pfn);
                 if (!PageReserved(page))
                         SetPageDirty(page);
@@ -1487,14 +1487,14 @@ EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty);
 
 void kvm_set_pfn_accessed(pfn_t pfn)
 {
-        if (!kvm_is_mmio_pfn(pfn))
+        if (!kvm_is_reserved_pfn(pfn))
                 mark_page_accessed(pfn_to_page(pfn));
 }
 EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed);
 
 void kvm_get_pfn(pfn_t pfn)
 {
-        if (!kvm_is_mmio_pfn(pfn))
+        if (!kvm_is_reserved_pfn(pfn))
                 get_page(pfn_to_page(pfn));
 }
 EXPORT_SYMBOL_GPL(kvm_get_pfn);