312 files changed, 2669 insertions, 1475 deletions
diff --git a/Documentation/device-mapper/dm-raid.txt b/Documentation/device-mapper/dm-raid.txt
index 728c38c242d6..56fb62b09fc5 100644
--- a/Documentation/device-mapper/dm-raid.txt
+++ b/Documentation/device-mapper/dm-raid.txt
@@ -141,3 +141,4 @@ Version History
 1.2.0   Handle creation of arrays that contain failed devices.
 1.3.0   Added support for RAID 10
 1.3.1   Allow device replacement/rebuild for RAID 10
+1.3.2   Fix/improve redundancy checking for RAID10
diff --git a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
index 3a268127b054..bc50899e0c81 100644
--- a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
@@ -81,7 +81,8 @@ PA31	TXD4
 Required properties for pin configuration node:
 - atmel,pins: 4 integers array, represents a group of pins mux and config
  setting. The format is atmel,pins = <PIN_BANK PIN_BANK_NUM PERIPH CONFIG>.
-  The PERIPH 0 means gpio.
+  The PERIPH 0 means gpio, PERIPH 1 is periph A, PERIPH 2 is periph B...
+  PIN_BANK 0 is pioA, PIN_BANK 1 is pioB...
 Bits used for CONFIG:
 PULL_UP         (1 << 0): indicate this pin need a pull up.
@@ -126,7 +127,7 @@ pinctrl@fffff400 {
                pinctrl_dbgu: dbgu-0 {
                        atmel,pins =
                                <1 14 0x1 0x0   /* PB14 periph A */
-                                 1 15 0x1 0x1>; /* PB15 periph with pullup */
+                                 1 15 0x1 0x1>; /* PB15 periph A with pullup */
                };
        };
 };
diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 406d82d5d2bb..3edb4c2887a1 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -57,6 +57,10 @@ Protocol 2.10:	(Kernel 2.6.31) Added a protocol for relaxed alignment
 Protocol 2.11:  (Kernel 3.6) Added a field for offset of EFI handover
                protocol entry point.
+Protocol 2.12:  (Kernel 3.9) Added the xloadflags field and extension fields
+                to struct boot_params for for loading bzImage and ramdisk
+                above 4G in 64bit.
 **** MEMORY LAYOUT
 The traditional memory map for the kernel loader, used for Image or
@@ -182,7 +186,7 @@ Offset	Proto	Name		Meaning
 0230/4  2.05+   kernel_alignment Physical addr alignment required for kernel
 0234/1  2.05+   relocatable_kernel Whether kernel is relocatable or not
 0235/1  2.10+   min_alignment   Minimum alignment, as a power of two
-0236/2  N/A     pad3            Unused
+0236/2  2.12+   xloadflags      Boot protocol option flags
 0238/4  2.06+   cmdline_size    Maximum size of the kernel command line
 023C/4  2.07+   hardware_subarch Hardware subarchitecture
 0240/8  2.07+   hardware_subarch_data Subarchitecture-specific data
@@ -582,6 +586,27 @@ Protocol:	2.10+
  misaligned kernel.  Therefore, a loader should typically try each
  power-of-two alignment from kernel_alignment down to this alignment.
+Field name:     xloadflags
+Type:           read
+Offset/size:    0x236/2
+Protocol:       2.12+
+  This field is a bitmask.
+  Bit 0 (read): XLF_KERNEL_64
+        - If 1, this kernel has the legacy 64-bit entry point at 0x200.
+  Bit 1 (read): XLF_CAN_BE_LOADED_ABOVE_4G
+        - If 1, kernel/boot_params/cmdline/ramdisk can be above 4G.
+  Bit 2 (read): XLF_EFI_HANDOVER_32
+        - If 1, the kernel supports the 32-bit EFI handoff entry point
+          given at handover_offset.
+  Bit 3 (read): XLF_EFI_HANDOVER_64
+        - If 1, the kernel supports the 64-bit EFI handoff entry point
+          given at handover_offset + 0x200.
 Field name:     cmdline_size
 Type:           read
 Offset/size:    0x238/4
diff --git a/Documentation/x86/zero-page.txt b/Documentation/x86/zero-page.txt
index cf5437deda81..199f453cb4de 100644
--- a/Documentation/x86/zero-page.txt
+++ b/Documentation/x86/zero-page.txt
@@ -19,6 +19,9 @@ Offset	Proto	Name		Meaning
 090/010 ALL     hd1_info        hd1 disk parameter, OBSOLETE!!
 0A0/010 ALL     sys_desc_table  System description table (struct sys_desc_table)
 0B0/010 ALL     olpc_ofw_header OLPC's OpenFirmware CIF and friends
+0C0/004 ALL     ext_ramdisk_image ramdisk_image high 32bits
+0C4/004 ALL     ext_ramdisk_size  ramdisk_size high 32bits
+0C8/004 ALL     ext_cmd_line_ptr  cmd_line_ptr high 32bits
 140/080 ALL     edid_info       Video mode setup (struct edid_info)
 1C0/020 ALL     efi_info        EFI 32 information (struct efi_info)
 1E0/004 ALL     alk_mem_k       Alternative mem check, in KB
@@ -27,6 +30,7 @@ Offset	Proto	Name		Meaning
 1E9/001 ALL     eddbuf_entries  Number of entries in eddbuf (below)
 1EA/001 ALL     edd_mbr_sig_buf_entries Number of entries in edd_mbr_sig_buffer
                                (below)
+1EF/001 ALL     sentinel        Used to detect broken bootloaders
 290/040 ALL     edd_mbr_sig_buffer EDD MBR signatures
 2D0/A00 ALL     e820_map        E820 memory map table
                                (array of struct e820entry)
diff --git a/MAINTAINERS b/MAINTAINERS
index 8ae709e34523..212c255b9347 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2966,7 +2966,7 @@ S:	Maintained
 F:      drivers/net/ethernet/i825xx/eexpress.*
 ETHERNET BRIDGE
-M:      Stephen Hemminger <shemminger@vyatta.com>
+M:      Stephen Hemminger <stephen@networkplumber.org>
 L:      bridge@lists.linux-foundation.org
 L:      netdev@vger.kernel.org
 W:      http://www.linuxfoundation.org/en/Net:Bridge
@@ -4905,7 +4905,7 @@ S:	Maintained
 MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2)
 M:      Mirko Lindner <mlindner@marvell.com>
-M:      Stephen Hemminger <shemminger@vyatta.com>
+M:      Stephen Hemminger <stephen@networkplumber.org>
 L:      netdev@vger.kernel.org
 S:      Maintained
 F:      drivers/net/ethernet/marvell/sk*
@@ -5180,7 +5180,7 @@ S:	Supported
 F:      drivers/infiniband/hw/nes/
 NETEM NETWORK EMULATOR
-M:      Stephen Hemminger <shemminger@vyatta.com>
+M:      Stephen Hemminger <stephen@networkplumber.org>
 L:      netem@lists.linux-foundation.org
 S:      Maintained
 F:      net/sched/sch_netem.c
@@ -7088,7 +7088,7 @@ F:	include/uapi/sound/
 F:      sound/
 SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEMENT (ASoC)
-M:      Liam Girdwood <lrg@ti.com>
+M:      Liam Girdwood <lgirdwood@gmail.com>
 M:      Mark Brown <broonie@opensource.wolfsonmicro.com>
 T:      git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
 L:      alsa-devel@alsa-project.org (moderated for non-subscribers)
diff --git a/Makefile b/Makefile
index 2cd4c6be44f2..2d3c92c774fb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 8
 SUBLEVEL = 0
-EXTRAVERSION = -rc4
+EXTRAVERSION = -rc5
 NAME = Terrified Chipmunk
 # *DOCUMENTATION*
diff --git a/arch/arm/boot/dts/armada-370-db.dts b/arch/arm/boot/dts/armada-370-db.dts
index 00044026ef1f..9b82facb2561 100644
--- a/arch/arm/boot/dts/armada-370-db.dts
+++ b/arch/arm/boot/dts/armada-370-db.dts
@@ -26,7 +26,7 @@
        memory {
                device_type = "memory";
-                reg = <0x00000000 0x20000000>; /* 512 MB */
+                reg = <0x00000000 0x40000000>; /* 1 GB */
        };
        soc {
diff --git a/arch/arm/boot/dts/armada-xp-mv78230.dtsi b/arch/arm/boot/dts/armada-xp-mv78230.dtsi
index 271855a6e224..e041f42ed711 100644
--- a/arch/arm/boot/dts/armada-xp-mv78230.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78230.dtsi
@@ -50,27 +50,25 @@
                };
                gpio0: gpio@d0018100 {
-                        compatible = "marvell,armadaxp-gpio";
+                        compatible = "marvell,orion-gpio";
-                        reg = <0xd0018100 0x40>,
+                        reg = <0xd0018100 0x40>;
-                            <0xd0018800 0x30>;
                        ngpios = <32>;
                        gpio-controller;
                        #gpio-cells = <2>;
                        interrupt-controller;
                        #interrupts-cells = <2>;
-                        interrupts = <16>, <17>, <18>, <19>;
+                        interrupts = <82>, <83>, <84>, <85>;
                };
                gpio1: gpio@d0018140 {
-                        compatible = "marvell,armadaxp-gpio";
+                        compatible = "marvell,orion-gpio";
-                        reg = <0xd0018140 0x40>,
+                        reg = <0xd0018140 0x40>;
-                            <0xd0018840 0x30>;
                        ngpios = <17>;
                        gpio-controller;
                        #gpio-cells = <2>;
                        interrupt-controller;
                        #interrupts-cells = <2>;
-                        interrupts = <20>, <21>, <22>;
+                        interrupts = <87>, <88>, <89>;
                };
        };
 };
diff --git a/arch/arm/boot/dts/armada-xp-mv78260.dtsi b/arch/arm/boot/dts/armada-xp-mv78260.dtsi
index 1c1937dbce73..9e23bd8c9536 100644
--- a/arch/arm/boot/dts/armada-xp-mv78260.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78260.dtsi
@@ -51,39 +51,36 @@
                };
                gpio0: gpio@d0018100 {
-                        compatible = "marvell,armadaxp-gpio";
+                        compatible = "marvell,orion-gpio";
-                        reg = <0xd0018100 0x40>,
+                        reg = <0xd0018100 0x40>;
-                            <0xd0018800 0x30>;
                        ngpios = <32>;
                        gpio-controller;
                        #gpio-cells = <2>;
                        interrupt-controller;
                        #interrupts-cells = <2>;
-                        interrupts = <16>, <17>, <18>, <19>;
+                        interrupts = <82>, <83>, <84>, <85>;
                };
                gpio1: gpio@d0018140 {
-                        compatible = "marvell,armadaxp-gpio";
+                        compatible = "marvell,orion-gpio";
-                        reg = <0xd0018140 0x40>,
+                        reg = <0xd0018140 0x40>;
-                            <0xd0018840 0x30>;
                        ngpios = <32>;
                        gpio-controller;
                        #gpio-cells = <2>;
                        interrupt-controller;
                        #interrupts-cells = <2>;
-                        interrupts = <20>, <21>, <22>, <23>;
+                        interrupts = <87>, <88>, <89>, <90>;
                };
                gpio2: gpio@d0018180 {
-                        compatible = "marvell,armadaxp-gpio";
+                        compatible = "marvell,orion-gpio";
-                        reg = <0xd0018180 0x40>,
+                        reg = <0xd0018180 0x40>;
-                            <0xd0018870 0x30>;
                        ngpios = <3>;
                        gpio-controller;
                        #gpio-cells = <2>;
                        interrupt-controller;
                        #interrupts-cells = <2>;
-                        interrupts = <24>;
+                        interrupts = <91>;
                };
                ethernet@d0034000 {
diff --git a/arch/arm/boot/dts/armada-xp-mv78460.dtsi b/arch/arm/boot/dts/armada-xp-mv78460.dtsi
index 4905cf3a5ef8..965966110e38 100644
--- a/arch/arm/boot/dts/armada-xp-mv78460.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78460.dtsi
@@ -66,39 +66,36 @@
                };
                gpio0: gpio@d0018100 {
-                        compatible = "marvell,armadaxp-gpio";
+                        compatible = "marvell,orion-gpio";
-                        reg = <0xd0018100 0x40>,
+                        reg = <0xd0018100 0x40>;
-                            <0xd0018800 0x30>;
                        ngpios = <32>;
                        gpio-controller;
                        #gpio-cells = <2>;
                        interrupt-controller;
                        #interrupts-cells = <2>;
-                        interrupts = <16>, <17>, <18>, <19>;
+                        interrupts = <82>, <83>, <84>, <85>;
                };
                gpio1: gpio@d0018140 {
-                        compatible = "marvell,armadaxp-gpio";
+                        compatible = "marvell,orion-gpio";
-                        reg = <0xd0018140 0x40>,
+                        reg = <0xd0018140 0x40>;
-                            <0xd0018840 0x30>;
                        ngpios = <32>;
                        gpio-controller;
                        #gpio-cells = <2>;
                        interrupt-controller;
                        #interrupts-cells = <2>;
-                        interrupts = <20>, <21>, <22>, <23>;
+                        interrupts = <87>, <88>, <89>, <90>;
                };
                gpio2: gpio@d0018180 {
-                        compatible = "marvell,armadaxp-gpio";
+                        compatible = "marvell,orion-gpio";
-                        reg = <0xd0018180 0x40>,
+                        reg = <0xd0018180 0x40>;
-                            <0xd0018870 0x30>;
                        ngpios = <3>;
                        gpio-controller;
                        #gpio-cells = <2>;
                        interrupt-controller;
                        #interrupts-cells = <2>;
-                        interrupts = <24>;
+                        interrupts = <91>;
                };
                ethernet@d0034000 {
diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi
index e154f242c680..222047f1ece9 100644
--- a/arch/arm/boot/dts/at91rm9200.dtsi
+++ b/arch/arm/boot/dts/at91rm9200.dtsi
@@ -336,8 +336,8 @@
        i2c@0 {
                compatible = "i2c-gpio";
-                gpios = <&pioA 23 0 /* sda */
+                gpios = <&pioA 25 0 /* sda */
-                         &pioA 24 0 /* scl */
+                         &pioA 26 0 /* scl */
                        >;
                i2c-gpio,sda-open-drain;
                i2c-gpio,scl-open-drain;
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index 3a47cf952146..8ecca6948d81 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -143,6 +143,11 @@
                                                atmel,pins =
                                                        <0 3 0x1 0x0>;  /* PA3 periph A */
                                        };
+                                        pinctrl_usart0_sck: usart0_sck-0 {
+                                                atmel,pins =
+                                                        <0 4 0x1 0x0>;  /* PA4 periph A */
+                                        };
                                };
                                usart1 {
@@ -154,12 +159,17 @@
                                        pinctrl_usart1_rts: usart1_rts-0 {
                                                atmel,pins =
-                                                        <3 27 0x3 0x0>; /* PC27 periph C */
+                                                        <2 27 0x3 0x0>; /* PC27 periph C */
                                        };
                                        pinctrl_usart1_cts: usart1_cts-0 {
                                                atmel,pins =
-                                                        <3 28 0x3 0x0>; /* PC28 periph C */
+                                                        <2 28 0x3 0x0>; /* PC28 periph C */
+                                        };
+                                        pinctrl_usart1_sck: usart1_sck-0 {
+                                                atmel,pins =
+                                                        <2 28 0x3 0x0>; /* PC29 periph C */
                                        };
                                };
@@ -172,46 +182,56 @@
                                        pinctrl_uart2_rts: uart2_rts-0 {
                                                atmel,pins =
-                                                        <0 0 0x2 0x0>;  /* PB0 periph B */
+                                                        <1 0 0x2 0x0>;  /* PB0 periph B */
                                        };
                                        pinctrl_uart2_cts: uart2_cts-0 {
                                                atmel,pins =
-                                                        <0 1 0x2 0x0>;  /* PB1 periph B */
+                                                        <1 1 0x2 0x0>;  /* PB1 periph B */
+                                        };
+                                        pinctrl_usart2_sck: usart2_sck-0 {
+                                                atmel,pins =
+                                                        <1 2 0x2 0x0>;  /* PB2 periph B */
                                        };
                                };
                                usart3 {
                                        pinctrl_uart3: usart3-0 {
                                                atmel,pins =
-                                                        <3 23 0x2 0x1   /* PC22 periph B with pullup */
+                                                        <2 23 0x2 0x1   /* PC22 periph B with pullup */
-                                                         3 23 0x2 0x0>; /* PC23 periph B */
+                                                         2 23 0x2 0x0>; /* PC23 periph B */
                                        };
                                        pinctrl_usart3_rts: usart3_rts-0 {
                                                atmel,pins =
-                                                        <3 24 0x2 0x0>; /* PC24 periph B */
+                                                        <2 24 0x2 0x0>; /* PC24 periph B */
                                        };
                                        pinctrl_usart3_cts: usart3_cts-0 {
                                                atmel,pins =
-                                                        <3 25 0x2 0x0>; /* PC25 periph B */
+                                                        <2 25 0x2 0x0>; /* PC25 periph B */
+                                        };
+                                        pinctrl_usart3_sck: usart3_sck-0 {
+                                                atmel,pins =
+                                                        <2 26 0x2 0x0>; /* PC26 periph B */
                                        };
                                };
                                uart0 {
                                        pinctrl_uart0: uart0-0 {
                                                atmel,pins =
-                                                        <3 8 0x3 0x0    /* PC8 periph C */
+                                                        <2 8 0x3 0x0    /* PC8 periph C */
-                                                         3 9 0x3 0x1>;  /* PC9 periph C with pullup */
+                                                         2 9 0x3 0x1>;  /* PC9 periph C with pullup */
                                        };
                                };
                                uart1 {
                                        pinctrl_uart1: uart1-0 {
                                                atmel,pins =
-                                                        <3 16 0x3 0x0   /* PC16 periph C */
+                                                        <2 16 0x3 0x0   /* PC16 periph C */
-                                                         3 17 0x3 0x1>; /* PC17 periph C with pullup */
+                                                         2 17 0x3 0x1>; /* PC17 periph C with pullup */
                                        };
                                };
@@ -240,14 +260,14 @@
                                        pinctrl_macb0_rmii_mii: macb0_rmii_mii-0 {
                                                atmel,pins =
-                                                        <1 8 0x1 0x0    /* PA8 periph A */
+                                                        <1 8 0x1 0x0    /* PB8 periph A */
-                                                         1 11 0x1 0x0   /* PA11 periph A */
+                                                         1 11 0x1 0x0   /* PB11 periph A */
-                                                         1 12 0x1 0x0   /* PA12 periph A */
+                                                         1 12 0x1 0x0   /* PB12 periph A */
-                                                         1 13 0x1 0x0   /* PA13 periph A */
+                                                         1 13 0x1 0x0   /* PB13 periph A */
-                                                         1 14 0x1 0x0   /* PA14 periph A */
+                                                         1 14 0x1 0x0   /* PB14 periph A */
-                                                         1 15 0x1 0x0   /* PA15 periph A */
+                                                         1 15 0x1 0x0   /* PB15 periph A */
-                                                         1 16 0x1 0x0   /* PA16 periph A */
+                                                         1 16 0x1 0x0   /* PB16 periph A */
-                                                         1 17 0x1 0x0>; /* PA17 periph A */
+                                                         1 17 0x1 0x0>; /* PB17 periph A */
                                        };
                                };
diff --git a/arch/arm/boot/dts/cros5250-common.dtsi b/arch/arm/boot/dts/cros5250-common.dtsi
index fddd17417433..46c098017036 100644
--- a/arch/arm/boot/dts/cros5250-common.dtsi
+++ b/arch/arm/boot/dts/cros5250-common.dtsi
@@ -96,8 +96,8 @@
                fifo-depth = <0x80>;
                card-detect-delay = <200>;
                samsung,dw-mshc-ciu-div = <3>;
-                samsung,dw-mshc-sdr-timing = <2 3 3>;
+                samsung,dw-mshc-sdr-timing = <2 3>;
-                samsung,dw-mshc-ddr-timing = <1 2 3>;
+                samsung,dw-mshc-ddr-timing = <1 2>;
                slot@0 {
                        reg = <0>;
@@ -120,8 +120,8 @@
                fifo-depth = <0x80>;
                card-detect-delay = <200>;
                samsung,dw-mshc-ciu-div = <3>;
-                samsung,dw-mshc-sdr-timing = <2 3 3>;
+                samsung,dw-mshc-sdr-timing = <2 3>;
-                samsung,dw-mshc-ddr-timing = <1 2 3>;
+                samsung,dw-mshc-ddr-timing = <1 2>;
                slot@0 {
                        reg = <0>;
@@ -141,8 +141,8 @@
                fifo-depth = <0x80>;
                card-detect-delay = <200>;
                samsung,dw-mshc-ciu-div = <3>;
-                samsung,dw-mshc-sdr-timing = <2 3 3>;
+                samsung,dw-mshc-sdr-timing = <2 3>;
-                samsung,dw-mshc-ddr-timing = <1 2 3>;
+                samsung,dw-mshc-ddr-timing = <1 2>;
                slot@0 {
                        reg = <0>;
diff --git a/arch/arm/boot/dts/dove-cubox.dts b/arch/arm/boot/dts/dove-cubox.dts
index fed7d3f9f431..cdee96fca6e2 100644
--- a/arch/arm/boot/dts/dove-cubox.dts
+++ b/arch/arm/boot/dts/dove-cubox.dts
@@ -26,10 +26,15 @@
 };
 &uart0 { status = "okay"; };
-&sdio0 { status = "okay"; };
 &sata0 { status = "okay"; };
 &i2c0 { status = "okay"; };
+&sdio0 {
+        status = "okay";
+        /* sdio0 card detect is connected to wrong pin on CuBox */
+        cd-gpios = <&gpio0 12 1>;
+};
 &spi0 {
        status = "okay";
@@ -42,9 +47,14 @@
 };
 &pinctrl {
-        pinctrl-0 = <&pmx_gpio_18>;
+        pinctrl-0 = <&pmx_gpio_12 &pmx_gpio_18>;
        pinctrl-names = "default";
+        pmx_gpio_12: pmx-gpio-12 {
+                marvell,pins = "mpp12";
+                marvell,function = "gpio";
+        };
        pmx_gpio_18: pmx-gpio-18 {
                marvell,pins = "mpp18";
                marvell,function = "gpio";
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 942d5761ca97..e05b18f3c33d 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -115,8 +115,8 @@
                fifo-depth = <0x80>;
                card-detect-delay = <200>;
                samsung,dw-mshc-ciu-div = <3>;
-                samsung,dw-mshc-sdr-timing = <2 3 3>;
+                samsung,dw-mshc-sdr-timing = <2 3>;
-                samsung,dw-mshc-ddr-timing = <1 2 3>;
+                samsung,dw-mshc-ddr-timing = <1 2>;
                slot@0 {
                        reg = <0>;
@@ -139,8 +139,8 @@
                fifo-depth = <0x80>;
                card-detect-delay = <200>;
                samsung,dw-mshc-ciu-div = <3>;
-                samsung,dw-mshc-sdr-timing = <2 3 3>;
+                samsung,dw-mshc-sdr-timing = <2 3>;
-                samsung,dw-mshc-ddr-timing = <1 2 3>;
+                samsung,dw-mshc-ddr-timing = <1 2>;
                slot@0 {
                        reg = <0>;
diff --git a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
index 9bc6785ad228..77d21abfcdf7 100644
--- a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
+++ b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi
@@ -1,4 +1,5 @@
 /include/ "kirkwood.dtsi"
+/include/ "kirkwood-6281.dtsi"
 / {
        chosen {
@@ -6,6 +7,21 @@
        };
        ocp@f1000000 {
+                pinctrl: pinctrl@10000 {
+                        pinctrl-0 = < &pmx_spi &pmx_twsi0 &pmx_uart0
+                                        &pmx_ns2_sata0 &pmx_ns2_sata1>;
+                        pinctrl-names = "default";
+                        pmx_ns2_sata0: pmx-ns2-sata0 {
+                                marvell,pins = "mpp21";
+                                marvell,function = "sata0";
+                        };
+                        pmx_ns2_sata1: pmx-ns2-sata1 {
+                                marvell,pins = "mpp20";
+                                marvell,function = "sata1";
+                        };
+                };
                serial@12000 {
                        clock-frequency = <166666667>;
                        status = "okay";
diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
index 110d6cbb795b..d6ab442b7011 100644
--- a/arch/arm/boot/dts/kirkwood.dtsi
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -36,6 +36,7 @@
                        reg = <0x10100 0x40>;
                        ngpios = <32>;
                        interrupt-controller;
+                        #interrupt-cells = <2>;
                        interrupts = <35>, <36>, <37>, <38>;
                };
@@ -46,6 +47,7 @@
                        reg = <0x10140 0x40>;
                        ngpios = <18>;
                        interrupt-controller;
+                        #interrupt-cells = <2>;
                        interrupts = <39>, <40>, <41>;
                };
diff --git a/arch/arm/boot/dts/kizbox.dts b/arch/arm/boot/dts/kizbox.dts
index e8814fe0e277..b4dc3ed9a3ec 100644
--- a/arch/arm/boot/dts/kizbox.dts
+++ b/arch/arm/boot/dts/kizbox.dts
@@ -48,6 +48,8 @@
                        macb0: ethernet@fffc4000 {
                                phy-mode = "mii";
+                                pinctrl-0 = <&pinctrl_macb_rmii
+                                             &pinctrl_macb_rmii_mii_alt>;
                                status = "okay";
                        };
diff --git a/arch/arm/boot/dts/sunxi.dtsi b/arch/arm/boot/dts/sunxi.dtsi
index 8bbc2bfef221..8b36abea9f2e 100644
--- a/arch/arm/boot/dts/sunxi.dtsi
+++ b/arch/arm/boot/dts/sunxi.dtsi
@@ -60,19 +60,21 @@
                };
                uart0: uart@01c28000 {
-                        compatible = "ns8250";
+                        compatible = "snps,dw-apb-uart";
                        reg = <0x01c28000 0x400>;
                        interrupts = <1>;
                        reg-shift = <2>;
+                        reg-io-width = <4>;
                        clock-frequency = <24000000>;
                        status = "disabled";
                };
                uart1: uart@01c28400 {
-                        compatible = "ns8250";
+                        compatible = "snps,dw-apb-uart";
                        reg = <0x01c28400 0x400>;
                        interrupts = <2>;
                        reg-shift = <2>;
+                        reg-io-width = <4>;
                        clock-frequency = <24000000>;
                        status = "disabled";
                };
diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
index 1fc405a9ecfb..cf8071ad22d5 100644
--- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
+++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts
@@ -45,7 +45,6 @@
                        reg = <1>;
                };
-/* A7s disabled till big.LITTLE patches are available...
                cpu2: cpu@2 {
                        device_type = "cpu";
                        compatible = "arm,cortex-a7";
@@ -63,7 +62,6 @@
                        compatible = "arm,cortex-a7";
                        reg = <0x102>;
                };
-*/
        };
        memory@80000000 {
diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_dt_defconfig
index b175577d7abb..1ea959019fcd 100644
--- a/arch/arm/configs/at91_dt_defconfig
+++ b/arch/arm/configs/at91_dt_defconfig
@@ -19,6 +19,7 @@ CONFIG_SOC_AT91SAM9260=y
 CONFIG_SOC_AT91SAM9263=y
 CONFIG_SOC_AT91SAM9G45=y
 CONFIG_SOC_AT91SAM9X5=y
+CONFIG_SOC_AT91SAM9N12=y
 CONFIG_MACH_AT91SAM_DT=y
 CONFIG_AT91_PROGRAMMABLE_CLOCKS=y
 CONFIG_AT91_TIMER_HZ=128
@@ -31,7 +32,7 @@ CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_ARM_APPENDED_DTB=y
 CONFIG_ARM_ATAG_DTB_COMPAT=y
-CONFIG_CMDLINE="mem=128M console=ttyS0,115200 initrd=0x21100000,25165824 root=/dev/ram0 rw"
+CONFIG_CMDLINE="console=ttyS0,115200 initrd=0x21100000,25165824 root=/dev/ram0 rw"
 CONFIG_KEXEC=y
 CONFIG_AUTO_ZRELADDR=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index 6809200c31fb..14f7c3b14632 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -100,12 +100,14 @@ ENTRY(printch)
                b       1b
 ENDPROC(printch)
+#ifdef CONFIG_MMU
 ENTRY(debug_ll_addr)
                addruart r2, r3, ip
                str     r2, [r0]
                str     r3, [r1]
                mov     pc, lr
 ENDPROC(debug_ll_addr)
+#endif
 #else
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 4eee351f4668..486a15ae9011 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -246,6 +246,7 @@ __create_page_tables:
        /*
         * Then map boot params address in r2 if specified.
+         * We map 2 sections in case the ATAGs/DTB crosses a section boundary.
         */
        mov     r0, r2, lsr #SECTION_SHIFT
        movs    r0, r0, lsl #SECTION_SHIFT
@@ -253,6 +254,8 @@ __create_page_tables:
        addne   r3, r3, #PAGE_OFFSET
        addne   r3, r4, r3, lsr #(SECTION_SHIFT - PMD_ORDER)
        orrne   r6, r7, r0
+        strne   r6, [r3], #1 << PMD_ORDER
+        addne   r6, r6, #1 << SECTION_SHIFT
        strne   r6, [r3]
 #ifdef CONFIG_DEBUG_LL
@@ -331,7 +334,7 @@ ENTRY(secondary_startup)
         * as it has already been validated by the primary processor.
         */
 #ifdef CONFIG_ARM_VIRT_EXT
-        bl      __hyp_stub_install
+        bl      __hyp_stub_install_secondary
 #endif
        safe_svcmode_maskall r9
diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S
index 65b2417aebce..1315c4ccfa56 100644
--- a/arch/arm/kernel/hyp-stub.S
+++ b/arch/arm/kernel/hyp-stub.S
@@ -99,7 +99,7 @@ ENTRY(__hyp_stub_install_secondary)
         * immediately.
         */
        compare_cpu_mode_with_primary   r4, r5, r6, r7
-        bxne    lr
+        movne   pc, lr
        /*
         * Once we have given up on one CPU, we do not try to install the
@@ -111,7 +111,7 @@ ENTRY(__hyp_stub_install_secondary)
         */
        cmp     r4, #HYP_MODE
-        bxne    lr                      @ give up if the CPU is not in HYP mode
+        movne   pc, lr                  @ give up if the CPU is not in HYP mode
 /*
 * Configure HSCTLR to set correct exception endianness/instruction set
@@ -120,7 +120,8 @@ ENTRY(__hyp_stub_install_secondary)
 * Eventually, CPU-specific code might be needed -- assume not for now
 *
 * This code relies on the "eret" instruction to synchronize the
- * various coprocessor accesses.
+ * various coprocessor accesses. This is done when we switch to SVC
+ * (see safe_svcmode_maskall).
 */
        @ Now install the hypervisor stub:
        adr     r7, __hyp_stub_vectors
@@ -155,14 +156,7 @@ THUMB(	orr	r7, #(1 << 30)	)	@ HSCTLR.TE
 1:
 #endif
-        bic     r7, r4, #MODE_MASK
+        bx      lr                      @ The boot CPU mode is left in r4.
-        orr     r7, r7, #SVC_MODE
-THUMB(  orr     r7, r7, #PSR_T_BIT      )
-        msr     spsr_cxsf, r7           @ This is SPSR_hyp.
-        __MSR_ELR_HYP(14)               @ msr elr_hyp, lr
-        __ERET                          @ return, switching to SVC mode
-                                        @ The boot CPU mode is left in r4.
 ENDPROC(__hyp_stub_install_secondary)
 __hyp_stub_do_trap:
@@ -200,7 +194,7 @@ ENDPROC(__hyp_get_vectors)
        @ fall through
 ENTRY(__hyp_set_vectors)
        __HVC(0)
-        bx      lr
+        mov     pc, lr
 ENDPROC(__hyp_set_vectors)
 #ifndef ZIMAGE
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 9ee866ce0478..4b678478cf95 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -105,6 +105,8 @@ static void __init soc_detect(u32 dbgu_base)
        switch (socid) {
        case ARCH_ID_AT91RM9200:
                at91_soc_initdata.type = AT91_SOC_RM9200;
+                if (at91_soc_initdata.subtype == AT91_SOC_SUBTYPE_NONE)
+                        at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;
                at91_boot_soc = at91rm9200_soc;
                break;
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 3e628fd7a674..0a2349dc7018 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -851,6 +851,7 @@ config SOC_IMX6Q
        select HAVE_CAN_FLEXCAN if CAN
        select HAVE_IMX_GPC
        select HAVE_IMX_MMDC
+        select HAVE_IMX_SRC
        select HAVE_SMP
        select MFD_SYSCON
        select PINCTRL
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 7f2c10c7413a..c0c4e723b7f5 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -436,6 +436,9 @@ int __init mx6q_clocks_init(void)
        for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
                clk_prepare_enable(clk[clks_init_on[i]]);
+        /* Set initial power mode */
+        imx6q_set_lpm(WAIT_CLOCKED);
        np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
        base = of_iomap(np, 0);
        WARN_ON(!base);
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 7191ab4434e5..fa36fb84ab19 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -142,6 +142,7 @@ extern int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode);
 extern void imx6q_clock_map_io(void);
 extern void imx_cpu_die(unsigned int cpu);
+extern int imx_cpu_kill(unsigned int cpu);
 #ifdef CONFIG_PM
 extern void imx6q_pm_init(void);
diff --git a/arch/arm/mach-imx/devices/platform-imx-fb.c b/arch/arm/mach-imx/devices/platform-imx-fb.c
index 10b0ed39f07f..25a47c616b2d 100644
--- a/arch/arm/mach-imx/devices/platform-imx-fb.c
+++ b/arch/arm/mach-imx/devices/platform-imx-fb.c
@@ -54,7 +54,7 @@ struct platform_device *__init imx_add_imx_fb(
                        .flags = IORESOURCE_IRQ,
                },
        };
-        return imx_add_platform_device_dmamask("imx-fb", 0,
+        return imx_add_platform_device_dmamask(data->devid, 0,
                        res, ARRAY_SIZE(res),
                        pdata, sizeof(*pdata), DMA_BIT_MASK(32));
 }
diff --git a/arch/arm/mach-imx/hotplug.c b/arch/arm/mach-imx/hotplug.c
index 3dec962b0770..7bc5fe15dda2 100644
--- a/arch/arm/mach-imx/hotplug.c
+++ b/arch/arm/mach-imx/hotplug.c
@@ -46,9 +46,11 @@ static inline void cpu_enter_lowpower(void)
 void imx_cpu_die(unsigned int cpu)
 {
        cpu_enter_lowpower();
-        imx_enable_cpu(cpu, false);
+        cpu_do_idle();
+}
-        /* spin here until hardware takes it down */
+int imx_cpu_kill(unsigned int cpu)
-        while (1)
+{
-                ;
+        imx_enable_cpu(cpu, false);
+        return 1;
 }
diff --git a/arch/arm/mach-imx/iram_alloc.c b/arch/arm/mach-imx/iram_alloc.c
index 6c80424f678e..e05cf407db65 100644
--- a/arch/arm/mach-imx/iram_alloc.c
+++ b/arch/arm/mach-imx/iram_alloc.c
@@ -22,8 +22,7 @@
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/genalloc.h>
+#include "linux/platform_data/imx-iram.h"
-#include "iram.h"
 static unsigned long iram_phys_base;
 static void __iomem *iram_virt_base;
diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c
index 3777b805b76b..66fae885c842 100644
--- a/arch/arm/mach-imx/platsmp.c
+++ b/arch/arm/mach-imx/platsmp.c
@@ -92,5 +92,6 @@ struct smp_operations  imx_smp_ops __initdata = {
        .smp_boot_secondary     = imx_boot_secondary,
 #ifdef CONFIG_HOTPLUG_CPU
        .cpu_die                = imx_cpu_die,
+        .cpu_kill               = imx_cpu_kill,
 #endif
 };
diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c
index a17543da602d..ee42d20cba19 100644
--- a/arch/arm/mach-imx/pm-imx6q.c
+++ b/arch/arm/mach-imx/pm-imx6q.c
@@ -41,6 +41,7 @@ static int imx6q_pm_enter(suspend_state_t state)
                cpu_suspend(0, imx6q_suspend_finish);
                imx_smp_prepare();
                imx_gpc_post_resume();
+                imx6q_set_lpm(WAIT_CLOCKED);
                break;
        default:
                return -EINVAL;
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index be50e795536d..e7fcea7f3300 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -475,13 +475,12 @@ int __init pci_v3_setup(int nr, struct pci_sys_data *sys)
 {
        int ret = 0;
+        if (!ap_syscon_base)
+                return -EINVAL;
        if (nr == 0) {
                sys->mem_offset = PHYS_PCI_MEM_BASE;
                ret = pci_v3_setup_resources(sys);
-                /* Remap the Integrator system controller */
-                ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100);
-                if (!ap_syscon_base)
-                        return -EINVAL;
        }
        return ret;
@@ -497,6 +496,13 @@ void __init pci_v3_preinit(void)
        unsigned int temp;
        int ret;
+        /* Remap the Integrator system controller */
+        ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100);
+        if (!ap_syscon_base) {
+                pr_err("unable to remap the AP syscon for PCIv3\n");
+                return;
+        }
        pcibios_min_mem = 0x00100000;
        /*
diff --git a/arch/arm/mach-kirkwood/board-ns2.c b/arch/arm/mach-kirkwood/board-ns2.c
index 8821720ab5a4..f4632a809f68 100644
--- a/arch/arm/mach-kirkwood/board-ns2.c
+++ b/arch/arm/mach-kirkwood/board-ns2.c
@@ -18,47 +18,11 @@
 #include <linux/gpio.h>
 #include <linux/of.h>
 #include "common.h"
-#include "mpp.h"
 static struct mv643xx_eth_platform_data ns2_ge00_data = {
        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
 };
-static unsigned int ns2_mpp_config[] __initdata = {
-        MPP0_SPI_SCn,
-        MPP1_SPI_MOSI,
-        MPP2_SPI_SCK,
-        MPP3_SPI_MISO,
-        MPP4_NF_IO6,
-        MPP5_NF_IO7,
-        MPP6_SYSRST_OUTn,
-        MPP7_GPO,               /* Fan speed (bit 1) */
-        MPP8_TW0_SDA,
-        MPP9_TW0_SCK,
-        MPP10_UART0_TXD,
-        MPP11_UART0_RXD,
-        MPP12_GPO,              /* Red led */
-        MPP14_GPIO,             /* USB fuse */
-        MPP16_GPIO,             /* SATA 0 power */
-        MPP17_GPIO,             /* SATA 1 power */
-        MPP18_NF_IO0,
-        MPP19_NF_IO1,
-        MPP20_SATA1_ACTn,
-        MPP21_SATA0_ACTn,
-        MPP22_GPIO,             /* Fan speed (bit 0) */
-        MPP23_GPIO,             /* Fan power */
-        MPP24_GPIO,             /* USB mode select */
-        MPP25_GPIO,             /* Fan rotation fail */
-        MPP26_GPIO,             /* USB device vbus */
-        MPP28_GPIO,             /* USB enable host vbus */
-        MPP29_GPIO,             /* Blue led (slow register) */
-        MPP30_GPIO,             /* Blue led (command register) */
-        MPP31_GPIO,             /* Board power off */
-        MPP32_GPIO,             /* Power button (0 = Released, 1 = Pushed) */
-        MPP33_GPO,              /* Fan speed (bit 2) */
-        0
-};
 #define NS2_GPIO_POWER_OFF      31
 static void ns2_power_off(void)
@@ -71,8 +35,6 @@ void __init ns2_init(void)
        /*
         * Basic setup. Needs to be called early.
         */
-        kirkwood_mpp_conf(ns2_mpp_config);
        if (of_machine_is_compatible("lacie,netspace_lite_v2") ||
            of_machine_is_compatible("lacie,netspace_mini_v2"))
                ns2_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0);
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index 5dcb369b58aa..99df4df680fd 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -1,6 +1,8 @@
 ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
        -I$(srctree)/arch/arm/plat-orion/include
+AFLAGS_coherency_ll.o           := -Wa,-march=armv7-a
 obj-y += system-controller.o
 obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o irq-armada-370-xp.o addr-map.o coherency.o coherency_ll.o pmsu.o
 obj-$(CONFIG_SMP)                += platsmp.o headsmp.o
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index 5c8e9cee2c2e..769c1feee1c4 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -397,6 +397,12 @@ static struct omap_board_mux board_mux[] __initdata = {
                  OMAP_PULL_ENA),
        OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+        /* UART2 - BT/FM/GPS shared transport */
+        OMAP4_MUX(UART2_CTS,    OMAP_PIN_INPUT  | OMAP_MUX_MODE0),
+        OMAP4_MUX(UART2_RTS,    OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
+        OMAP4_MUX(UART2_RX,     OMAP_PIN_INPUT  | OMAP_MUX_MODE0),
+        OMAP4_MUX(UART2_TX,     OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
        { .reg_offset = OMAP_MUX_TERMINATOR },
 };
diff --git a/arch/arm/mach-omap2/cclock2420_data.c b/arch/arm/mach-omap2/cclock2420_data.c
index 7e5febe456d9..ab7e952d2070 100644
--- a/arch/arm/mach-omap2/cclock2420_data.c
+++ b/arch/arm/mach-omap2/cclock2420_data.c
@@ -1935,6 +1935,8 @@ int __init omap2420_clk_init(void)
                        omap2_init_clk_hw_omap_clocks(c->lk.clk);
        }
+        omap2xxx_clkt_vps_late_init();
        omap2_clk_disable_autoidle_all();
        omap2_clk_enable_init_clocks(enable_init_clks,
diff --git a/arch/arm/mach-omap2/cclock2430_data.c b/arch/arm/mach-omap2/cclock2430_data.c
index eda079b96c6a..eb3dab68d536 100644
--- a/arch/arm/mach-omap2/cclock2430_data.c
+++ b/arch/arm/mach-omap2/cclock2430_data.c
@@ -2050,6 +2050,8 @@ int __init omap2430_clk_init(void)
                        omap2_init_clk_hw_omap_clocks(c->lk.clk);
        }
+        omap2xxx_clkt_vps_late_init();
        omap2_clk_disable_autoidle_all();
        omap2_clk_enable_init_clocks(enable_init_clks,
diff --git a/arch/arm/mach-omap2/cclock44xx_data.c b/arch/arm/mach-omap2/cclock44xx_data.c
index 5789a5e25563..a2cc046b47f4 100644
--- a/arch/arm/mach-omap2/cclock44xx_data.c
+++ b/arch/arm/mach-omap2/cclock44xx_data.c
@@ -2026,14 +2026,13 @@ int __init omap4xxx_clk_init(void)
         * On OMAP4460 the ABE DPLL fails to turn on if in idle low-power
         * state when turning the ABE clock domain. Workaround this by
         * locking the ABE DPLL on boot.
+         * Lock the ABE DPLL in any case to avoid issues with audio.
         */
-        if (cpu_is_omap446x()) {
+        rc = clk_set_parent(&abe_dpll_refclk_mux_ck, &sys_32k_ck);
-                rc = clk_set_parent(&abe_dpll_refclk_mux_ck, &sys_32k_ck);
+        if (!rc)
-                if (!rc)
+                rc = clk_set_rate(&dpll_abe_ck, OMAP4_DPLL_ABE_DEFFREQ);
-                        rc = clk_set_rate(&dpll_abe_ck, OMAP4_DPLL_ABE_DEFFREQ);
+        if (rc)
-                if (rc)
+                pr_err("%s: failed to configure ABE DPLL!\n", __func__);
-                        pr_err("%s: failed to configure ABE DPLL!\n", __func__);
-        }
        return 0;
 }
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 5e304d0719a2..626f3ea3142f 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -639,7 +639,7 @@ static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev)
        return cnt;
 }
-static void omap_init_ocp2scp(void)
+static void __init omap_init_ocp2scp(void)
 {
        struct omap_hwmod       *oh;
        struct platform_device  *pdev;
diff --git a/arch/arm/mach-omap2/drm.c b/arch/arm/mach-omap2/drm.c
index 4c7566c7e24a..2a2cfa88ddbf 100644
--- a/arch/arm/mach-omap2/drm.c
+++ b/arch/arm/mach-omap2/drm.c
@@ -25,6 +25,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/platform_data/omap_drm.h>
+#include "soc.h"
 #include "omap_device.h"
 #include "omap_hwmod.h"
@@ -56,7 +57,7 @@ static int __init omap_init_drm(void)
                        oh->name);
        }
-        platform_data.omaprev = GET_OMAP_REVISION();
+        platform_data.omaprev = GET_OMAP_TYPE;
        return platform_device_register(&omap_drm_device);
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 129d5081ed15..793f54ac7d14 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -2132,8 +2132,12 @@ static struct omap_hwmod omap44xx_mcpdm_hwmod = {
         * currently reset very early during boot, before I2C is
         * available, so it doesn't seem that we have any choice in
         * the kernel other than to avoid resetting it.
+         *
+         * Also, McPDM needs to be configured to NO_IDLE mode when it
+         * is in used otherwise vital clocks will be gated which
+         * results 'slow motion' audio playback.
         */
-        .flags          = HWMOD_EXT_OPT_MAIN_CLK,
+        .flags          = HWMOD_EXT_OPT_MAIN_CLK | HWMOD_SWSUP_SIDLE,
        .mpu_irqs       = omap44xx_mcpdm_irqs,
        .sdma_reqs      = omap44xx_mcpdm_sdma_reqs,
        .main_clk       = "mcpdm_fck",
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 691aa674665a..b8ad6e632bb8 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -165,15 +165,11 @@ static struct device_node * __init omap_get_timer_dt(struct of_device_id *match,
        struct device_node *np;
        for_each_matching_node(np, match) {
-                if (!of_device_is_available(np)) {
+                if (!of_device_is_available(np))
-                        of_node_put(np);
                        continue;
-                }
-                if (property && !of_get_property(np, property, NULL)) {
+                if (property && !of_get_property(np, property, NULL))
-                        of_node_put(np);
                        continue;
-                }
                of_add_property(np, &device_disabled);
                return np;
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c
index 553059f51841..755c0bb119f4 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410-module.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410-module.c
@@ -47,7 +47,7 @@ static struct spi_board_info wm1253_devs[] = {
                .bus_num        = 0,
                .chip_select    = 0,
                .mode           = SPI_MODE_0,
-                .irq            = S3C_EINT(5),
+                .irq            = S3C_EINT(4),
                .controller_data = &wm0010_spi_csinfo,
                .platform_data = &wm0010_pdata,
        },
diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index 7feb426fc202..d2e1a16690bd 100644
--- a/arch/arm/mach-s3c64xx/pm.c
+++ b/arch/arm/mach-s3c64xx/pm.c
@@ -338,8 +338,10 @@ int __init s3c64xx_pm_init(void)
        for (i = 0; i < ARRAY_SIZE(s3c64xx_pm_domains); i++)
                pm_genpd_init(&s3c64xx_pm_domains[i]->pd, NULL, false);
+#ifdef CONFIG_S3C_DEV_FB
        if (dev_get_platdata(&s3c_device_fb.dev))
                pm_genpd_add_device(&s3c64xx_pm_f.pd, &s3c_device_fb.dev);
+#endif
        return 0;
 }
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 6b2fb87c8698..076c26d43864 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -774,25 +774,27 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset,
        size_t size, enum dma_data_direction dir,
        void (*op)(const void *, size_t, int))
 {
+        unsigned long pfn;
+        size_t left = size;
+        pfn = page_to_pfn(page) + offset / PAGE_SIZE;
+        offset %= PAGE_SIZE;
        /*
         * A single sg entry may refer to multiple physically contiguous
         * pages.  But we still need to process highmem pages individually.
         * If highmem is not configured then the bulk of this loop gets
         * optimized out.
         */
-        size_t left = size;
        do {
                size_t len = left;
                void *vaddr;
+                page = pfn_to_page(pfn);
                if (PageHighMem(page)) {
-                        if (len + offset > PAGE_SIZE) {
+                        if (len + offset > PAGE_SIZE)
-                                if (offset >= PAGE_SIZE) {
-                                        page += offset / PAGE_SIZE;
-                                        offset %= PAGE_SIZE;
-                                }
                                len = PAGE_SIZE - offset;
-                        }
                        vaddr = kmap_high_get(page);
                        if (vaddr) {
                                vaddr += offset;
@@ -809,7 +811,7 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset,
                        op(vaddr, len, dir);
                }
                offset = 0;
-                page++;
+                pfn++;
                left -= len;
        } while (left);
 }
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 9f0610243bd6..ce328c7f5c94 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -283,7 +283,7 @@ static struct mem_type mem_types[] = {
        },
        [MT_MEMORY_SO] = {
                .prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
-                                L_PTE_MT_UNCACHED,
+                                L_PTE_MT_UNCACHED | L_PTE_XN,
                .prot_l1   = PMD_TYPE_TABLE,
                .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_S |
                                PMD_SECT_UNCACHED | PMD_SECT_XN,
diff --git a/arch/arm/plat-versatile/headsmp.S b/arch/arm/plat-versatile/headsmp.S
index dd703ef09b8d..b178d44e9eaa 100644
--- a/arch/arm/plat-versatile/headsmp.S
+++ b/arch/arm/plat-versatile/headsmp.S
@@ -20,7 +20,7 @@
 */
 ENTRY(versatile_secondary_startup)
        mrc     p15, 0, r0, c0, c0, 5
-        and     r0, r0, #15
+        bic     r0, #0xff000000
        adr     r4, 1f
        ldmia   r4, {r5, r6}
        sub     r4, r4, r5
diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S
index cc926c985981..323ce1a62bbf 100644
--- a/arch/arm/vfp/entry.S
+++ b/arch/arm/vfp/entry.S
@@ -22,7 +22,7 @@
 @  IRQs disabled.
 @
 ENTRY(do_vfp)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
        ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
        add     r11, r4, #1             @ increment it
        str     r11, [r10, #TI_PREEMPT]
@@ -35,7 +35,7 @@ ENTRY(do_vfp)
 ENDPROC(do_vfp)
 ENTRY(vfp_null_entry)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
        get_thread_info r10
        ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
        sub     r11, r4, #1             @ decrement it
@@ -53,7 +53,7 @@ ENDPROC(vfp_null_entry)
        __INIT
 ENTRY(vfp_testing_entry)
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
        get_thread_info r10
        ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
        sub     r11, r4, #1             @ decrement it
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index ea0349f63586..dd5e56f95f3f 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -168,7 +168,7 @@ vfp_hw_state_valid:
                                        @ else it's one 32-bit instruction, so
                                        @ always subtract 4 from the following
                                        @ instruction address.
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
        get_thread_info r10
        ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
        sub     r11, r4, #1             @ decrement it
@@ -192,7 +192,7 @@ look_for_VFP_exceptions:
        @ not recognised by VFP
        DBGSTR  "not VFP"
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPT_COUNT
        get_thread_info r10
        ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
        sub     r11, r4, #1             @ decrement it
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index d22e73e4618b..e514de57a125 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -439,6 +439,8 @@ ret_from_fork:
 ret_from_kernel_thread:
        REST_NVGPRS(r1)
        bl      schedule_tail
+        li      r3,0
+        stw     r3,0(r1)
        mtlr    r14
        mr      r3,r15
        PPC440EP_ERR42
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index b310a0573625..3d990d3bd8ba 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -664,6 +664,19 @@ resume_kernel:
        ld      r4,TI_FLAGS(r9)
        andi.   r0,r4,_TIF_NEED_RESCHED
        bne     1b
+        /*
+         * arch_local_irq_restore() from preempt_schedule_irq above may
+         * enable hard interrupt but we really should disable interrupts
+         * when we return from the interrupt, and so that we don't get
+         * interrupted after loading SRR0/1.
+         */
+#ifdef CONFIG_PPC_BOOK3E
+        wrteei  0
+#else
+        ld      r10,PACAKMSR(r13) /* Get kernel MSR without EE */
+        mtmsrd  r10,1             /* Update machine state */
+#endif /* CONFIG_PPC_BOOK3E */
 #endif /* CONFIG_PREEMPT */
        .globl  fast_exc_return_irq
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index c470a40b29f5..a7bc7521c064 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -154,12 +154,12 @@ static int kgdb_handle_breakpoint(struct pt_regs *regs)
 static int kgdb_singlestep(struct pt_regs *regs)
 {
        struct thread_info *thread_info, *exception_thread_info;
-        struct thread_info *backup_current_thread_info = \
+        struct thread_info *backup_current_thread_info;
-                (struct thread_info *)kmalloc(sizeof(struct thread_info), GFP_KERNEL);
        if (user_mode(regs))
                return 0;
+        backup_current_thread_info = (struct thread_info *)kmalloc(sizeof(struct thread_info), GFP_KERNEL);
        /*
         * On Book E and perhaps other processors, singlestep is handled on
         * the critical exception stack.  This causes current_thread_info()
@@ -185,6 +185,7 @@ static int kgdb_singlestep(struct pt_regs *regs)
                /* Restore current_thread_info lastly. */
                memcpy(exception_thread_info, backup_current_thread_info, sizeof *thread_info);
+        kfree(backup_current_thread_info);
        return 1;
 }
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 6f6b1cccc916..127361e093f4 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -494,10 +494,15 @@ void timer_interrupt(struct pt_regs * regs)
        set_dec(DECREMENTER_MAX);
        /* Some implementations of hotplug will get timer interrupts while
-         * offline, just ignore these
+         * offline, just ignore these and we also need to set
+         * decrementers_next_tb as MAX to make sure __check_irq_replay
+         * don't replay timer interrupt when return, otherwise we'll trap
+         * here infinitely :(
         */
-        if (!cpu_online(smp_processor_id()))
+        if (!cpu_online(smp_processor_id())) {
+                *next_tb = ~(u64)0;
                return;
+        }
        /* Conditionally hard-enable interrupts now that the DEC has been
         * bumped to its maximum value
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index b0855e5d8905..9d9cddc5b346 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -39,6 +39,7 @@
 #define OP_31_XOP_TRAP      4
 #define OP_31_XOP_LWZX      23
 #define OP_31_XOP_TRAP_64   68
+#define OP_31_XOP_DCBF      86
 #define OP_31_XOP_LBZX      87
 #define OP_31_XOP_STWX      151
 #define OP_31_XOP_STBX      215
@@ -374,6 +375,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
                        emulated = kvmppc_emulate_mtspr(vcpu, sprn, rs);
                        break;
+                case OP_31_XOP_DCBF:
                case OP_31_XOP_DCBI:
                        /* Do nothing. The guest is performing dcbi because
                         * hardware DMA is not snooped by the dcache, but
diff --git a/arch/powerpc/oprofile/op_model_power4.c b/arch/powerpc/oprofile/op_model_power4.c
index 315f9495e9b2..f444b94935f5 100644
--- a/arch/powerpc/oprofile/op_model_power4.c
+++ b/arch/powerpc/oprofile/op_model_power4.c
@@ -52,7 +52,7 @@ static int power7_marked_instr_event(u64 mmcr1)
        for (pmc = 0; pmc < 4; pmc++) {
                psel = mmcr1 & (OPROFILE_PM_PMCSEL_MSK
                                << (OPROFILE_MAX_PMC_NUM - pmc)
-                                * OPROFILE_MAX_PMC_NUM);
+                                * OPROFILE_PMSEL_FIELD_WIDTH);
                psel = (psel >> ((OPROFILE_MAX_PMC_NUM - pmc)
                                 * OPROFILE_PMSEL_FIELD_WIDTH)) & ~1ULL;
                unit = mmcr1 & (OPROFILE_PM_UNIT_MSK
diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c
index 95d00173029f..890f30e70f98 100644
--- a/arch/powerpc/platforms/pasemi/cpufreq.c
+++ b/arch/powerpc/platforms/pasemi/cpufreq.c
@@ -236,6 +236,13 @@ out:
 static int pas_cpufreq_cpu_exit(struct cpufreq_policy *policy)
 {
+        /*
+         * We don't support CPU hotplug. Don't unmap after the system
+         * has already made it to a running state.
+         */
+        if (system_state != SYSTEM_BOOTING)
+                return 0;
        if (sdcasr_mapbase)
                iounmap(sdcasr_mapbase);
        if (sdcpwr_mapbase)
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index c1d7930a82f4..098adbb62660 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1365,6 +1365,18 @@ static inline void pmdp_invalidate(struct vm_area_struct *vma,
        __pmd_idte(address, pmdp);
 }
+#define __HAVE_ARCH_PMDP_SET_WRPROTECT
+static inline void pmdp_set_wrprotect(struct mm_struct *mm,
+                                      unsigned long address, pmd_t *pmdp)
+{
+        pmd_t pmd = *pmdp;
+        if (pmd_write(pmd)) {
+                __pmd_idte(address, pmdp);
+                set_pmd_at(mm, address, pmdp, pmd_wrprotect(pmd));
+        }
+}
 static inline pmd_t mk_pmd_phys(unsigned long physpage, pgprot_t pgprot)
 {
        pmd_t __pmd;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 79795af59810..225543bf45a5 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2138,6 +2138,7 @@ config OLPC_XO1_RTC
 config OLPC_XO1_SCI
        bool "OLPC XO-1 SCI extras"
        depends on OLPC && OLPC_XO1_PM
+        depends on INPUT=y
        select POWER_SUPPLY
        select GPIO_CS5535
        select MFD_CORE
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index ccce0ed67dde..379814bc41e3 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -71,7 +71,7 @@ GCOV_PROFILE := n
 $(obj)/bzImage: asflags-y  := $(SVGA_MODE)
 quiet_cmd_image = BUILD   $@
-cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin > $@
+cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/zoffset.h > $@
 $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
        $(call if_changed,image)
@@ -92,7 +92,7 @@ targets += voffset.h
 $(obj)/voffset.h: vmlinux FORCE
        $(call if_changed,voffset)
-sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
+sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|startup_64\|efi_pe_entry\|efi_stub_entry\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
 quiet_cmd_zoffset = ZOFFSET $@
      cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index 18e329ca108e..f8fa41190c35 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -256,10 +256,10 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
        int i;
        struct setup_data *data;
-        data = (struct setup_data *)params->hdr.setup_data;
+        data = (struct setup_data *)(unsigned long)params->hdr.setup_data;
        while (data && data->next)
-                data = (struct setup_data *)data->next;
+                data = (struct setup_data *)(unsigned long)data->next;
        status = efi_call_phys5(sys_table->boottime->locate_handle,
                                EFI_LOCATE_BY_PROTOCOL, &pci_proto,
@@ -295,16 +295,18 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
                if (!pci)
                        continue;
+#ifdef CONFIG_X86_64
                status = efi_call_phys4(pci->attributes, pci,
                                        EfiPciIoAttributeOperationGet, 0,
                                        &attributes);
+#else
+                status = efi_call_phys5(pci->attributes, pci,
+                                        EfiPciIoAttributeOperationGet, 0, 0,
+                                        &attributes);
+#endif
                if (status != EFI_SUCCESS)
                        continue;
-                if (!(attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM))
-                        continue;
                if (!pci->romimage || !pci->romsize)
                        continue;
@@ -345,9 +347,9 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
                memcpy(rom->romdata, pci->romimage, pci->romsize);
                if (data)
-                        data->next = (uint64_t)rom;
+                        data->next = (unsigned long)rom;
                else
-                        params->hdr.setup_data = (uint64_t)rom;
+                        params->hdr.setup_data = (unsigned long)rom;
                data = (struct setup_data *)rom;
@@ -432,10 +434,9 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
                         * Once we've found a GOP supporting ConOut,
                         * don't bother looking any further.
                         */
+                        first_gop = gop;
                        if (conout_found)
                                break;
-                        first_gop = gop;
                }
        }
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index aa4aaf1b2380..1e3184f6072f 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -35,11 +35,11 @@ ENTRY(startup_32)
 #ifdef CONFIG_EFI_STUB
        jmp     preferred_addr
-        .balign 0x10
        /*
         * We don't need the return address, so set up the stack so
-         * efi_main() can find its arugments.
+         * efi_main() can find its arguments.
         */
+ENTRY(efi_pe_entry)
        add     $0x4, %esp
        call    make_boot_params
@@ -50,8 +50,10 @@ ENTRY(startup_32)
        pushl   %eax
        pushl   %esi
        pushl   %ecx
+        sub     $0x4, %esp
-        .org 0x30,0x90
+ENTRY(efi_stub_entry)
+        add     $0x4, %esp
        call    efi_main
        cmpl    $0, %eax
        movl    %eax, %esi
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 2c4b171eec33..f5d1aaa0dec8 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -201,12 +201,12 @@ ENTRY(startup_64)
         */
 #ifdef CONFIG_EFI_STUB
        /*
-         * The entry point for the PE/COFF executable is 0x210, so only
+         * The entry point for the PE/COFF executable is efi_pe_entry, so
-         * legacy boot loaders will execute this jmp.
+         * only legacy boot loaders will execute this jmp.
         */
        jmp     preferred_addr
-        .org 0x210
+ENTRY(efi_pe_entry)
        mov     %rcx, %rdi
        mov     %rdx, %rsi
        pushq   %rdi
@@ -218,7 +218,7 @@ ENTRY(startup_64)
        popq    %rsi
        popq    %rdi
-        .org 0x230,0x90
+ENTRY(efi_stub_entry)
        call    efi_main
        movq    %rax,%rsi
        cmpq    $0,%rax
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index 8c132a625b94..944ce595f767 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -21,6 +21,7 @@
 #include <asm/e820.h>
 #include <asm/page_types.h>
 #include <asm/setup.h>
+#include <asm/bootparam.h>
 #include "boot.h"
 #include "voffset.h"
 #include "zoffset.h"
@@ -255,6 +256,9 @@ section_table:
        # header, from the old boot sector.
        .section ".header", "a"
+        .globl  sentinel
+sentinel:       .byte 0xff, 0xff        /* Used to detect broken loaders */
        .globl  hdr
 hdr:
 setup_sects:    .byte 0                 /* Filled in by build.c */
@@ -279,7 +283,7 @@ _start:
        # Part 2 of the header, from the old setup.S
                .ascii  "HdrS"          # header signature
-                .word   0x020b          # header version number (>= 0x0105)
+                .word   0x020c          # header version number (>= 0x0105)
                                        # or else old loadlin-1.5 will fail)
                .globl realmode_swtch
 realmode_swtch: .word   0, 0            # default_switch, SETUPSEG
@@ -297,13 +301,7 @@ type_of_loader:	.byte	0		# 0 means ancient bootloader, newer
 # flags, unused bits must be zero (RFU) bit within loadflags
 loadflags:
-LOADED_HIGH     = 1                     # If set, the kernel is loaded high
+                .byte   LOADED_HIGH     # The kernel is to be loaded high
-CAN_USE_HEAP    = 0x80                  # If set, the loader also has set
-                                        # heap_end_ptr to tell how much
-                                        # space behind setup.S can be used for
-                                        # heap purposes.
-                                        # Only the loader knows what is free
-                .byte   LOADED_HIGH
 setup_move_size: .word  0x8000          # size to move, when setup is not
                                        # loaded at 0x90000. We will move setup
@@ -369,7 +367,23 @@ relocatable_kernel:    .byte 1
 relocatable_kernel:    .byte 0
 #endif
 min_alignment:          .byte MIN_KERNEL_ALIGN_LG2      # minimum alignment
-pad3:                   .word 0
+xloadflags:
+#ifdef CONFIG_X86_64
+# define XLF0 XLF_KERNEL_64                     /* 64-bit kernel */
+#else
+# define XLF0 0
+#endif
+#ifdef CONFIG_EFI_STUB
+# ifdef CONFIG_X86_64
+#  define XLF23 XLF_EFI_HANDOVER_64             /* 64-bit EFI handover ok */
+# else
+#  define XLF23 XLF_EFI_HANDOVER_32             /* 32-bit EFI handover ok */
+# endif
+#else
+# define XLF23 0
+#endif
+                        .word XLF0 | XLF23
 cmdline_size:   .long   COMMAND_LINE_SIZE-1     #length of the command line,
                                                #added with boot protocol
@@ -397,8 +411,13 @@ pref_address:		.quad LOAD_PHYSICAL_ADDR	# preferred load addr
 #define INIT_SIZE VO_INIT_SIZE
 #endif
 init_size:              .long INIT_SIZE         # kernel initialization size
-handover_offset:        .long 0x30              # offset to the handover
+handover_offset:
+#ifdef CONFIG_EFI_STUB
+                        .long 0x30              # offset to the handover
                                                # protocol entry point
+#else
+                        .long 0
+#endif
 # End of setup header #####################################################
diff --git a/arch/x86/boot/setup.ld b/arch/x86/boot/setup.ld
index 03c0683636b6..96a6c7563538 100644
--- a/arch/x86/boot/setup.ld
+++ b/arch/x86/boot/setup.ld
@@ -13,7 +13,7 @@ SECTIONS
        .bstext         : { *(.bstext) }
        .bsdata         : { *(.bsdata) }
-        . = 497;
+        . = 495;
        .header         : { *(.header) }
        .entrytext      : { *(.entrytext) }
        .inittext       : { *(.inittext) }
diff --git a/arch/x86/boot/tools/build.c b/arch/x86/boot/tools/build.c
index 4b8e165ee572..94c544650020 100644
--- a/arch/x86/boot/tools/build.c
+++ b/arch/x86/boot/tools/build.c
@@ -52,6 +52,10 @@ int is_big_kernel;
 #define PECOFF_RELOC_RESERVE 0x20
+unsigned long efi_stub_entry;
+unsigned long efi_pe_entry;
+unsigned long startup_64;
 /*----------------------------------------------------------------------*/
 static const u32 crctab32[] = {
@@ -132,7 +136,7 @@ static void die(const char * str, ...)
 static void usage(void)
 {
-        die("Usage: build setup system [> image]");
+        die("Usage: build setup system [zoffset.h] [> image]");
 }
 #ifdef CONFIG_EFI_STUB
@@ -206,30 +210,54 @@ static void update_pecoff_text(unsigned int text_start, unsigned int file_sz)
         */
        put_unaligned_le32(file_sz - 512, &buf[pe_header + 0x1c]);
-#ifdef CONFIG_X86_32
        /*
-         * Address of entry point.
+         * Address of entry point for PE/COFF executable
-         *
-         * The EFI stub entry point is +16 bytes from the start of
-         * the .text section.
         */
-        put_unaligned_le32(text_start + 16, &buf[pe_header + 0x28]);
+        put_unaligned_le32(text_start + efi_pe_entry, &buf[pe_header + 0x28]);
-#else
-        /*
-         * Address of entry point. startup_32 is at the beginning and
-         * the 64-bit entry point (startup_64) is always 512 bytes
-         * after. The EFI stub entry point is 16 bytes after that, as
-         * the first instruction allows legacy loaders to jump over
-         * the EFI stub initialisation
-         */
-        put_unaligned_le32(text_start + 528, &buf[pe_header + 0x28]);
-#endif /* CONFIG_X86_32 */
        update_pecoff_section_header(".text", text_start, text_sz);
 }
 #endif /* CONFIG_EFI_STUB */
+/*
+ * Parse zoffset.h and find the entry points. We could just #include zoffset.h
+ * but that would mean tools/build would have to be rebuilt every time. It's
+ * not as if parsing it is hard...
+ */
+#define PARSE_ZOFS(p, sym) do { \
+        if (!strncmp(p, "#define ZO_" #sym " ", 11+sizeof(#sym)))       \
+                sym = strtoul(p + 11 + sizeof(#sym), NULL, 16);         \
+} while (0)
+static void parse_zoffset(char *fname)
+{
+        FILE *file;
+        char *p;
+        int c;
+        file = fopen(fname, "r");
+        if (!file)
+                die("Unable to open `%s': %m", fname);
+        c = fread(buf, 1, sizeof(buf) - 1, file);
+        if (ferror(file))
+                die("read-error on `zoffset.h'");
+        buf[c] = 0;
+        p = (char *)buf;
+        while (p && *p) {
+                PARSE_ZOFS(p, efi_stub_entry);
+                PARSE_ZOFS(p, efi_pe_entry);
+                PARSE_ZOFS(p, startup_64);
+                p = strchr(p, '\n');
+                while (p && (*p == '\r' || *p == '\n'))
+                        p++;
+        }
+}
 int main(int argc, char ** argv)
 {
        unsigned int i, sz, setup_sectors;
@@ -241,7 +269,19 @@ int main(int argc, char ** argv)
        void *kernel;
        u32 crc = 0xffffffffUL;
-        if (argc != 3)
+        /* Defaults for old kernel */
+#ifdef CONFIG_X86_32
+        efi_pe_entry = 0x10;
+        efi_stub_entry = 0x30;
+#else
+        efi_pe_entry = 0x210;
+        efi_stub_entry = 0x230;
+        startup_64 = 0x200;
+#endif
+        if (argc == 4)
+                parse_zoffset(argv[3]);
+        else if (argc != 3)
                usage();
        /* Copy the setup code */
@@ -299,6 +339,11 @@ int main(int argc, char ** argv)
 #ifdef CONFIG_EFI_STUB
        update_pecoff_text(setup_sectors * 512, sz + i + ((sys_size * 16) - sz));
+#ifdef CONFIG_X86_64 /* Yes, this is really how we defined it :( */
+        efi_stub_entry -= 0x200;
+#endif
+        put_unaligned_le32(efi_stub_entry, &buf[0x264]);
 #endif
        crc = partial_crc32(buf, i, crc);
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 6e8fdf5ad113..28677c55113f 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -94,6 +94,7 @@ extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
 #endif /* CONFIG_X86_32 */
 extern int add_efi_memmap;
+extern unsigned long x86_efi_facility;
 extern void efi_set_executable(efi_memory_desc_t *md, bool executable);
 extern int efi_memblock_x86_reserve_range(void);
 extern void efi_call_phys_prelog(void);
diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h
index b47c2a82ff15..062921ef34e9 100644
--- a/arch/x86/include/asm/uv/uv.h
+++ b/arch/x86/include/asm/uv/uv.h
@@ -16,7 +16,7 @@ extern void uv_system_init(void);
 extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
                                                 struct mm_struct *mm,
                                                 unsigned long start,
-                                                 unsigned end,
+                                                 unsigned long end,
                                                 unsigned int cpu);
 #else   /* X86_UV */
diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h
index 92862cd90201..c15ddaf90710 100644
--- a/arch/x86/include/uapi/asm/bootparam.h
+++ b/arch/x86/include/uapi/asm/bootparam.h
@@ -1,6 +1,31 @@
 #ifndef _ASM_X86_BOOTPARAM_H
 #define _ASM_X86_BOOTPARAM_H
+/* setup_data types */
+#define SETUP_NONE                      0
+#define SETUP_E820_EXT                  1
+#define SETUP_DTB                       2
+#define SETUP_PCI                       3
+/* ram_size flags */
+#define RAMDISK_IMAGE_START_MASK        0x07FF
+#define RAMDISK_PROMPT_FLAG             0x8000
+#define RAMDISK_LOAD_FLAG               0x4000
+/* loadflags */
+#define LOADED_HIGH     (1<<0)
+#define QUIET_FLAG      (1<<5)
+#define KEEP_SEGMENTS   (1<<6)
+#define CAN_USE_HEAP    (1<<7)
+/* xloadflags */
+#define XLF_KERNEL_64                   (1<<0)
+#define XLF_CAN_BE_LOADED_ABOVE_4G      (1<<1)
+#define XLF_EFI_HANDOVER_32             (1<<2)
+#define XLF_EFI_HANDOVER_64             (1<<3)
+#ifndef __ASSEMBLY__
 #include <linux/types.h>
 #include <linux/screen_info.h>
 #include <linux/apm_bios.h>
@@ -9,12 +34,6 @@
 #include <asm/ist.h>
 #include <video/edid.h>
-/* setup data types */
-#define SETUP_NONE                      0
-#define SETUP_E820_EXT                  1
-#define SETUP_DTB                       2
-#define SETUP_PCI                       3
 /* extensible setup data list node */
 struct setup_data {
        __u64 next;
@@ -28,9 +47,6 @@ struct setup_header {
        __u16   root_flags;
        __u32   syssize;
        __u16   ram_size;
-#define RAMDISK_IMAGE_START_MASK        0x07FF
-#define RAMDISK_PROMPT_FLAG             0x8000
-#define RAMDISK_LOAD_FLAG               0x4000
        __u16   vid_mode;
        __u16   root_dev;
        __u16   boot_flag;
@@ -42,10 +58,6 @@ struct setup_header {
        __u16   kernel_version;
        __u8    type_of_loader;
        __u8    loadflags;
-#define LOADED_HIGH     (1<<0)
-#define QUIET_FLAG      (1<<5)
-#define KEEP_SEGMENTS   (1<<6)
-#define CAN_USE_HEAP    (1<<7)
        __u16   setup_move_size;
        __u32   code32_start;
        __u32   ramdisk_image;
@@ -58,7 +70,8 @@ struct setup_header {
        __u32   initrd_addr_max;
        __u32   kernel_alignment;
        __u8    relocatable_kernel;
-        __u8    _pad2[3];
+        __u8    min_alignment;
+        __u16   xloadflags;
        __u32   cmdline_size;
        __u32   hardware_subarch;
        __u64   hardware_subarch_data;
@@ -106,7 +119,10 @@ struct boot_params {
        __u8  hd1_info[16];     /* obsolete! */         /* 0x090 */
        struct sys_desc_table sys_desc_table;           /* 0x0a0 */
        struct olpc_ofw_header olpc_ofw_header;         /* 0x0b0 */
-        __u8  _pad4[128];                               /* 0x0c0 */
+        __u32 ext_ramdisk_image;                        /* 0x0c0 */
+        __u32 ext_ramdisk_size;                         /* 0x0c4 */
+        __u32 ext_cmd_line_ptr;                         /* 0x0c8 */
+        __u8  _pad4[116];                               /* 0x0cc */
        struct edid_info edid_info;                     /* 0x140 */
        struct efi_info efi_info;                       /* 0x1c0 */
        __u32 alt_mem_k;                                /* 0x1e0 */
@@ -115,7 +131,20 @@ struct boot_params {
        __u8  eddbuf_entries;                           /* 0x1e9 */
        __u8  edd_mbr_sig_buf_entries;                  /* 0x1ea */
        __u8  kbd_status;                               /* 0x1eb */
-        __u8  _pad6[5];                                 /* 0x1ec */
+        __u8  _pad5[3];                                 /* 0x1ec */
+        /*
+         * The sentinel is set to a nonzero value (0xff) in header.S.
+         *
+         * A bootloader is supposed to only take setup_header and put
+         * it into a clean boot_params buffer. If it turns out that
+         * it is clumsy or too generous with the buffer, it most
+         * probably will pick up the sentinel variable too. The fact
+         * that this variable then is still 0xff will let kernel
+         * know that some variables in boot_params are invalid and
+         * kernel should zero out certain portions of boot_params.
+         */
+        __u8  sentinel;                                 /* 0x1ef */
+        __u8  _pad6[1];                                 /* 0x1f0 */
        struct setup_header hdr;    /* setup header */  /* 0x1f1 */
        __u8  _pad7[0x290-0x1f1-sizeof(struct setup_header)];
        __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];      /* 0x290 */
@@ -134,6 +163,6 @@ enum {
        X86_NR_SUBARCHS,
 };
+#endif /* __ASSEMBLY__ */
 #endif /* _ASM_X86_BOOTPARAM_H */
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 07a7a04529bc..cb3c591339aa 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -1781,6 +1781,7 @@ first_nmi:
         * Leave room for the "copied" frame
         */
        subq $(5*8), %rsp
+        CFI_ADJUST_CFA_OFFSET 5*8
        /* Copy the stack frame to the Saved frame */
        .rept 5
@@ -1863,10 +1864,8 @@ end_repeat_nmi:
 nmi_swapgs:
        SWAPGS_UNSAFE_STACK
 nmi_restore:
-        RESTORE_ALL 8
+        /* Pop the extra iret frame at once */
+        RESTORE_ALL 6*8
-        /* Pop the extra iret frame */
-        addq $(5*8), %rsp
        /* Clear the NMI executing stack variable */
        movq $0, 5*8(%rsp)
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 8e7f6556028f..c8932c79e78b 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -300,6 +300,12 @@ ENTRY(startup_32_smp)
        leal -__PAGE_OFFSET(%ecx),%esp
 default_entry:
+#define CR0_STATE       (X86_CR0_PE | X86_CR0_MP | X86_CR0_ET | \
+                         X86_CR0_NE | X86_CR0_WP | X86_CR0_AM | \
+                         X86_CR0_PG)
+        movl $(CR0_STATE & ~X86_CR0_PG),%eax
+        movl %eax,%cr0
 /*
 *      New page tables may be in 4Mbyte page mode and may
 *      be using the global pages. 
@@ -364,8 +370,7 @@ default_entry:
 */
        movl $pa(initial_page_table), %eax
        movl %eax,%cr3          /* set the page table pointer.. */
-        movl %cr0,%eax
+        movl $CR0_STATE,%eax
-        orl  $X86_CR0_PG,%eax
        movl %eax,%cr0          /* ..and set paging (PG) bit */
        ljmp $__BOOT_CS,$1f     /* Clear prefetch and normalize %eip */
 1:
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index a7c5661f8496..4929502c1372 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -174,6 +174,9 @@ static int msr_open(struct inode *inode, struct file *file)
        unsigned int cpu;
        struct cpuinfo_x86 *c;
+        if (!capable(CAP_SYS_RAWIO))
+                return -EPERM;
        cpu = iminor(file->f_path.dentry->d_inode);
        if (cpu >= nr_cpu_ids || !cpu_online(cpu))
                return -ENXIO;  /* No such CPU */
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 0f5dec5c80e0..872079a67e4d 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -56,7 +56,7 @@ struct device x86_dma_fallback_dev = {
 EXPORT_SYMBOL(x86_dma_fallback_dev);
 /* Number of entries preallocated for DMA-API debugging */
-#define PREALLOC_DMA_DEBUG_ENTRIES       32768
+#define PREALLOC_DMA_DEBUG_ENTRIES       65536
 int dma_set_mask(struct device *dev, u64 mask)
 {
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 4e8ba39eaf0f..76fa1e9a2b39 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -584,7 +584,7 @@ static void native_machine_emergency_restart(void)
                        break;
                case BOOT_EFI:
-                        if (efi_enabled)
+                        if (efi_enabled(EFI_RUNTIME_SERVICES))
                                efi.reset_system(reboot_mode ?
                                                 EFI_RESET_WARM :
                                                 EFI_RESET_COLD,
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 00f6c1472b85..8b24289cc10c 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -807,15 +807,15 @@ void __init setup_arch(char **cmdline_p)
 #ifdef CONFIG_EFI
        if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
                     "EL32", 4)) {
-                efi_enabled = 1;
+                set_bit(EFI_BOOT, &x86_efi_facility);
-                efi_64bit = false;
        } else if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
                     "EL64", 4)) {
-                efi_enabled = 1;
+                set_bit(EFI_BOOT, &x86_efi_facility);
-                efi_64bit = true;
+                set_bit(EFI_64BIT, &x86_efi_facility);
        }
-        if (efi_enabled && efi_memblock_x86_reserve_range())
-                efi_enabled = 0;
+        if (efi_enabled(EFI_BOOT))
+                efi_memblock_x86_reserve_range();
 #endif
        x86_init.oem.arch_setup();
@@ -888,7 +888,7 @@ void __init setup_arch(char **cmdline_p)
        finish_e820_parsing();
-        if (efi_enabled)
+        if (efi_enabled(EFI_BOOT))
                efi_init();
        dmi_scan_machine();
@@ -971,7 +971,7 @@ void __init setup_arch(char **cmdline_p)
         * The EFI specification says that boot service code won't be called
         * after ExitBootServices(). This is, in fact, a lie.
         */
-        if (efi_enabled)
+        if (efi_enabled(EFI_MEMMAP))
                efi_reserve_boot_services();
        /* preallocate 4k for mptable mpc */
@@ -1114,7 +1114,7 @@ void __init setup_arch(char **cmdline_p)
 #ifdef CONFIG_VT
 #if defined(CONFIG_VGA_CONSOLE)
-        if (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
+        if (!efi_enabled(EFI_BOOT) || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
                conswitchp = &vga_con;
 #elif defined(CONFIG_DUMMY_CONSOLE)
        conswitchp = &dummy_con;
@@ -1131,14 +1131,14 @@ void __init setup_arch(char **cmdline_p)
        register_refined_jiffies(CLOCK_TICK_RATE);
 #ifdef CONFIG_EFI
-        /* Once setup is done above, disable efi_enabled on mismatched
+        /* Once setup is done above, unmap the EFI memory map on
-         * firmware/kernel archtectures since there is no support for
+         * mismatched firmware/kernel archtectures since there is no
-         * runtime services.
+         * support for runtime services.
         */
-        if (efi_enabled && IS_ENABLED(CONFIG_X86_64) != efi_64bit) {
+        if (efi_enabled(EFI_BOOT) &&
+            IS_ENABLED(CONFIG_X86_64) != efi_enabled(EFI_64BIT)) {
                pr_info("efi: Setup done, disabling due to 32/64-bit mismatch\n");
                efi_unmap_memmap();
-                efi_enabled = 0;
        }
 #endif
 }
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index ad4439145f85..77cf0090c0a3 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -51,9 +51,6 @@
 #define EFI_DEBUG       1
-int efi_enabled;
-EXPORT_SYMBOL(efi_enabled);
 struct efi __read_mostly efi = {
        .mps        = EFI_INVALID_TABLE_ADDR,
        .acpi       = EFI_INVALID_TABLE_ADDR,
@@ -69,19 +66,28 @@ EXPORT_SYMBOL(efi);
 struct efi_memory_map memmap;
-bool efi_64bit;
 static struct efi efi_phys __initdata;
 static efi_system_table_t efi_systab __initdata;
 static inline bool efi_is_native(void)
 {
-        return IS_ENABLED(CONFIG_X86_64) == efi_64bit;
+        return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT);
+}
+unsigned long x86_efi_facility;
+/*
+ * Returns 1 if 'facility' is enabled, 0 otherwise.
+ */
+int efi_enabled(int facility)
+{
+        return test_bit(facility, &x86_efi_facility) != 0;
 }
+EXPORT_SYMBOL(efi_enabled);
 static int __init setup_noefi(char *arg)
 {
-        efi_enabled = 0;
+        clear_bit(EFI_BOOT, &x86_efi_facility);
        return 0;
 }
 early_param("noefi", setup_noefi);
@@ -426,6 +432,7 @@ void __init efi_reserve_boot_services(void)
 void __init efi_unmap_memmap(void)
 {
+        clear_bit(EFI_MEMMAP, &x86_efi_facility);
        if (memmap.map) {
                early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size);
                memmap.map = NULL;
@@ -460,7 +467,7 @@ void __init efi_free_boot_services(void)
 static int __init efi_systab_init(void *phys)
 {
-        if (efi_64bit) {
+        if (efi_enabled(EFI_64BIT)) {
                efi_system_table_64_t *systab64;
                u64 tmp = 0;
@@ -552,7 +559,7 @@ static int __init efi_config_init(u64 tables, int nr_tables)
        void *config_tables, *tablep;
        int i, sz;
-        if (efi_64bit)
+        if (efi_enabled(EFI_64BIT))
                sz = sizeof(efi_config_table_64_t);
        else
                sz = sizeof(efi_config_table_32_t);
@@ -572,7 +579,7 @@ static int __init efi_config_init(u64 tables, int nr_tables)
                efi_guid_t guid;
                unsigned long table;
-                if (efi_64bit) {
+                if (efi_enabled(EFI_64BIT)) {
                        u64 table64;
                        guid = ((efi_config_table_64_t *)tablep)->guid;
                        table64 = ((efi_config_table_64_t *)tablep)->table;
@@ -684,7 +691,6 @@ void __init efi_init(void)
        if (boot_params.efi_info.efi_systab_hi ||
            boot_params.efi_info.efi_memmap_hi) {
                pr_info("Table located above 4GB, disabling EFI.\n");
-                efi_enabled = 0;
                return;
        }
        efi_phys.systab = (efi_system_table_t *)boot_params.efi_info.efi_systab;
@@ -694,10 +700,10 @@ void __init efi_init(void)
                          ((__u64)boot_params.efi_info.efi_systab_hi<<32));
 #endif
-        if (efi_systab_init(efi_phys.systab)) {
+        if (efi_systab_init(efi_phys.systab))
-                efi_enabled = 0;
                return;
-        }
+        set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility);
        /*
         * Show what we know for posterity
@@ -715,10 +721,10 @@ void __init efi_init(void)
                efi.systab->hdr.revision >> 16,
                efi.systab->hdr.revision & 0xffff, vendor);
-        if (efi_config_init(efi.systab->tables, efi.systab->nr_tables)) {
+        if (efi_config_init(efi.systab->tables, efi.systab->nr_tables))
-                efi_enabled = 0;
                return;
-        }
+        set_bit(EFI_CONFIG_TABLES, &x86_efi_facility);
        /*
         * Note: We currently don't support runtime services on an EFI
@@ -727,15 +733,17 @@ void __init efi_init(void)
        if (!efi_is_native())
                pr_info("No EFI runtime due to 32/64-bit mismatch with kernel\n");
-        else if (efi_runtime_init()) {
+        else {
-                efi_enabled = 0;
+                if (efi_runtime_init())
-                return;
+                        return;
+                set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility);
        }
-        if (efi_memmap_init()) {
+        if (efi_memmap_init())
-                efi_enabled = 0;
                return;
-        }
+        set_bit(EFI_MEMMAP, &x86_efi_facility);
 #ifdef CONFIG_X86_32
        if (efi_is_native()) {
                x86_platform.get_wallclock = efi_get_time;
@@ -941,7 +949,7 @@ void __init efi_enter_virtual_mode(void)
         *
         * Call EFI services through wrapper functions.
         */
-        efi.runtime_version = efi_systab.fw_revision;
+        efi.runtime_version = efi_systab.hdr.revision;
        efi.get_time = virt_efi_get_time;
        efi.set_time = virt_efi_set_time;
        efi.get_wakeup_time = virt_efi_get_wakeup_time;
@@ -969,6 +977,9 @@ u32 efi_mem_type(unsigned long phys_addr)
        efi_memory_desc_t *md;
        void *p;
+        if (!efi_enabled(EFI_MEMMAP))
+                return 0;
        for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
                md = p;
                if ((md->phys_addr <= phys_addr) &&
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 95fd505dfeb6..2b2003860615 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -38,7 +38,7 @@
 #include <asm/cacheflush.h>
 #include <asm/fixmap.h>
-static pgd_t save_pgd __initdata;
+static pgd_t *save_pgd __initdata;
 static unsigned long efi_flags __initdata;
 static void __init early_code_mapping_set_exec(int executable)
@@ -61,12 +61,20 @@ static void __init early_code_mapping_set_exec(int executable)
 void __init efi_call_phys_prelog(void)
 {
        unsigned long vaddress;
+        int pgd;
+        int n_pgds;
        early_code_mapping_set_exec(1);
        local_irq_save(efi_flags);
-        vaddress = (unsigned long)__va(0x0UL);
-        save_pgd = *pgd_offset_k(0x0UL);
+        n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE);
-        set_pgd(pgd_offset_k(0x0UL), *pgd_offset_k(vaddress));
+        save_pgd = kmalloc(n_pgds * sizeof(pgd_t), GFP_KERNEL);
+        for (pgd = 0; pgd < n_pgds; pgd++) {
+                save_pgd[pgd] = *pgd_offset_k(pgd * PGDIR_SIZE);
+                vaddress = (unsigned long)__va(pgd * PGDIR_SIZE);
+                set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress));
+        }
        __flush_tlb_all();
 }
@@ -75,7 +83,11 @@ void __init efi_call_phys_epilog(void)
        /*
         * After the lock is released, the original page table is restored.
         */
-        set_pgd(pgd_offset_k(0x0UL), save_pgd);
+        int pgd;
+        int n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE);
+        for (pgd = 0; pgd < n_pgds; pgd++)
+                set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), save_pgd[pgd]);
+        kfree(save_pgd);
        __flush_tlb_all();
        local_irq_restore(efi_flags);
        early_code_mapping_set_exec(0);
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index b8b3a37c80cd..dbbdca5f508c 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -1034,7 +1034,8 @@ static int set_distrib_bits(struct cpumask *flush_mask, struct bau_control *bcp,
 * globally purge translation cache of a virtual address or all TLB's
 * @cpumask: mask of all cpu's in which the address is to be removed
 * @mm: mm_struct containing virtual address range
- * @va: virtual address to be removed (or TLB_FLUSH_ALL for all TLB's on cpu)
+ * @start: start virtual address to be removed from TLB
+ * @end: end virtual address to be remove from TLB
 * @cpu: the current cpu
 *
 * This is the entry point for initiating any UV global TLB shootdown.
@@ -1056,7 +1057,7 @@ static int set_distrib_bits(struct cpumask *flush_mask, struct bau_control *bcp,
 */
 const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
                                struct mm_struct *mm, unsigned long start,
-                                unsigned end, unsigned int cpu)
+                                unsigned long end, unsigned int cpu)
 {
        int locals = 0;
        int remotes = 0;
@@ -1113,7 +1114,10 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
        record_send_statistics(stat, locals, hubs, remotes, bau_desc);
-        bau_desc->payload.address = start;
+        if (!end || (end - start) <= PAGE_SIZE)
+                bau_desc->payload.address = start;
+        else
+                bau_desc->payload.address = TLB_FLUSH_ALL;
        bau_desc->payload.sending_cpu = cpu;
        /*
         * uv_flush_send_and_wait returns 0 if all cpu's were messaged,
diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index 5a1847d61930..79d67bd507fa 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -814,12 +814,14 @@ int main(int argc, char **argv)
        read_relocs(fp);
        if (show_absolute_syms) {
                print_absolute_symbols();
-                return 0;
+                goto out;
        }
        if (show_absolute_relocs) {
                print_absolute_relocs();
-                return 0;
+                goto out;
        }
        emit_relocs(as_text, use_real_mode);
+out:
+        fclose(fp);
        return 0;
 }
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 00a783661d0b..46f80e2c92f7 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -590,6 +590,9 @@ static int apei_check_gar(struct acpi_generic_address *reg, u64 *paddr,
        if (bit_width == 32 && bit_offset == 0 && (*paddr & 0x03) == 0 &&
            *access_bit_width < 32)
                *access_bit_width = 32;
+        else if (bit_width == 64 && bit_offset == 0 && (*paddr & 0x07) == 0 &&
+            *access_bit_width < 64)
+                *access_bit_width = 64;
        if ((bit_width + bit_offset) > *access_bit_width) {
                pr_warning(FW_BUG APEI_PFX
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 3ff267861541..bd22f8667eed 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -250,7 +250,7 @@ acpi_physical_address __init acpi_os_get_root_pointer(void)
                return acpi_rsdp;
 #endif
-        if (efi_enabled) {
+        if (efi_enabled(EFI_CONFIG_TABLES)) {
                if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
                        return efi.acpi20;
                else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index f1a5da44591d..ed9a1cc690be 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -958,6 +958,9 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr)
                return -EINVAL;
        }
+        if (!dev)
+                return -EINVAL;
        dev->cpu = pr->id;
        if (max_cstate == 0)
@@ -1149,6 +1152,7 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
                }
                /* Populate Updated C-state information */
+                acpi_processor_get_power_info(pr);
                acpi_processor_setup_cpuidle_states(pr);
                /* Enable all cpuidle devices */
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 836bfe069042..53e7ac9403a7 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -340,6 +340,13 @@ static void amd_fixup_frequency(struct acpi_processor_px *px, int i)
        if ((boot_cpu_data.x86 == 0x10 && boot_cpu_data.x86_model < 10)
            || boot_cpu_data.x86 == 0x11) {
                rdmsr(MSR_AMD_PSTATE_DEF_BASE + index, lo, hi);
+                /*
+                 * MSR C001_0064+:
+                 * Bit 63: PstateEn. Read-write. If set, the P-state is valid.
+                 */
+                if (!(hi & BIT(31)))
+                        return;
                fid = lo & 0x3f;
                did = (lo >> 6) & 7;
                if (boot_cpu_data.x86 == 0x10)
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 46a213a596e2..d9a6c94ce423 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -121,8 +121,6 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map,
                c->max = p - 1;
                list_add_tail(&c->list,
                              &map->debugfs_off_cache);
-        } else {
-                return base;
        }
        /*
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 42d5cb0f503f..f00b059c057a 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1106,7 +1106,7 @@ EXPORT_SYMBOL_GPL(regmap_raw_write);
 * @val_count: Number of registers to write
 *
 * This function is intended to be used for writing a large block of
- * data to be device either in single transfer or multiple transfer.
+ * data to the device either in single transfer or multiple transfer.
 *
 * A value of zero will be returned on success, a negative errno will
 * be returned in error cases.
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index b00000e8aef6..33c9a44a9678 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -77,10 +77,15 @@ static struct usb_device_id ath3k_table[] = {
        { USB_DEVICE(0x0CF3, 0x311D) },
        { USB_DEVICE(0x13d3, 0x3375) },
        { USB_DEVICE(0x04CA, 0x3005) },
+        { USB_DEVICE(0x04CA, 0x3006) },
+        { USB_DEVICE(0x04CA, 0x3008) },
        { USB_DEVICE(0x13d3, 0x3362) },
        { USB_DEVICE(0x0CF3, 0xE004) },
        { USB_DEVICE(0x0930, 0x0219) },
        { USB_DEVICE(0x0489, 0xe057) },
+        { USB_DEVICE(0x13d3, 0x3393) },
+        { USB_DEVICE(0x0489, 0xe04e) },
+        { USB_DEVICE(0x0489, 0xe056) },
        /* Atheros AR5BBU12 with sflash firmware */
        { USB_DEVICE(0x0489, 0xE02C) },
@@ -104,10 +109,15 @@ static struct usb_device_id ath3k_blist_tbl[] = {
        { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
        /* Atheros AR5BBU22 with sflash firmware */
        { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index a1d4ede5b892..7e351e345476 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -135,10 +135,15 @@ static struct usb_device_id blacklist_table[] = {
        { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
        { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
+        { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
        /* Atheros AR5BBU12 with sflash firmware */
        { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
diff --git a/drivers/clk/mvebu/clk-cpu.c b/drivers/clk/mvebu/clk-cpu.c
index ff004578a119..9dd2551a0a41 100644
--- a/drivers/clk/mvebu/clk-cpu.c
+++ b/drivers/clk/mvebu/clk-cpu.c
@@ -124,7 +124,7 @@ void __init of_cpu_clk_setup(struct device_node *node)
        clks = kzalloc(ncpus * sizeof(*clks), GFP_KERNEL);
        if (WARN_ON(!clks))
-                return;
+                goto clks_out;
        for_each_node_by_type(dn, "cpu") {
                struct clk_init_data init;
@@ -134,11 +134,11 @@ void __init of_cpu_clk_setup(struct device_node *node)
                int cpu, err;
                if (WARN_ON(!clk_name))
-                        return;
+                        goto bail_out;
                err = of_property_read_u32(dn, "reg", &cpu);
                if (WARN_ON(err))
-                        return;
+                        goto bail_out;
                sprintf(clk_name, "cpu%d", cpu);
                parent_clk = of_clk_get(node, 0);
@@ -167,6 +167,9 @@ void __init of_cpu_clk_setup(struct device_node *node)
        return;
 bail_out:
        kfree(clks);
+        while(ncpus--)
+                kfree(cpuclk[ncpus].clk_name);
+clks_out:
        kfree(cpuclk);
 }
diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86
index 934854ae5eb4..7227cd734042 100644
--- a/drivers/cpufreq/Kconfig.x86
+++ b/drivers/cpufreq/Kconfig.x86
@@ -106,7 +106,7 @@ config X86_POWERNOW_K7_ACPI
 config X86_POWERNOW_K8
        tristate "AMD Opteron/Athlon64 PowerNow!"
        select CPU_FREQ_TABLE
-        depends on ACPI && ACPI_PROCESSOR
+        depends on ACPI && ACPI_PROCESSOR && X86_ACPI_CPUFREQ
        help
          This adds the CPUFreq driver for K8/early Opteron/Athlon64 processors.
          Support for K10 and newer processors is now in acpi-cpufreq.
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 0d048f6a2b23..7b0d49d78c61 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -1030,4 +1030,11 @@ MODULE_PARM_DESC(acpi_pstate_strict,
 late_initcall(acpi_cpufreq_init);
 module_exit(acpi_cpufreq_exit);
+static const struct x86_cpu_id acpi_cpufreq_ids[] = {
+        X86_FEATURE_MATCH(X86_FEATURE_ACPI),
+        X86_FEATURE_MATCH(X86_FEATURE_HW_PSTATE),
+        {}
+};
+MODULE_DEVICE_TABLE(x86cpu, acpi_cpufreq_ids);
 MODULE_ALIAS("acpi");
diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c
index 52bf36d599f5..debc5a7c8db6 100644
--- a/drivers/cpufreq/cpufreq-cpu0.c
+++ b/drivers/cpufreq/cpufreq-cpu0.c
@@ -71,12 +71,15 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
        }
        if (cpu_reg) {
+                rcu_read_lock();
                opp = opp_find_freq_ceil(cpu_dev, &freq_Hz);
                if (IS_ERR(opp)) {
+                        rcu_read_unlock();
                        pr_err("failed to find OPP for %ld\n", freq_Hz);
                        return PTR_ERR(opp);
                }
                volt = opp_get_voltage(opp);
+                rcu_read_unlock();
                tol = volt * voltage_tolerance / 100;
                volt_old = regulator_get_voltage(cpu_reg);
        }
@@ -236,12 +239,14 @@ static int cpu0_cpufreq_driver_init(void)
                 */
                for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++)
                        ;
+                rcu_read_lock();
                opp = opp_find_freq_exact(cpu_dev,
                                freq_table[0].frequency * 1000, true);
                min_uV = opp_get_voltage(opp);
                opp = opp_find_freq_exact(cpu_dev,
                                freq_table[i-1].frequency * 1000, true);
                max_uV = opp_get_voltage(opp);
+                rcu_read_unlock();
                ret = regulator_set_voltage_time(cpu_reg, min_uV, max_uV);
                if (ret > 0)
                        transition_latency += ret * 1000;
diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index 1f3417a8322d..97102b05843f 100644
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -110,13 +110,16 @@ static int omap_target(struct cpufreq_policy *policy,
        freq = ret;
        if (mpu_reg) {
+                rcu_read_lock();
                opp = opp_find_freq_ceil(mpu_dev, &freq);
                if (IS_ERR(opp)) {
+                        rcu_read_unlock();
                        dev_err(mpu_dev, "%s: unable to find MPU OPP for %d\n",
                                __func__, freqs.new);
                        return -EINVAL;
                }
                volt = opp_get_voltage(opp);
+                rcu_read_unlock();
                tol = volt * OPP_TOLERANCE / 100;
                volt_old = regulator_get_voltage(mpu_reg);
        }
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 53766f39aadd..3b367973a802 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -994,6 +994,11 @@ module_exit(devfreq_exit);
 * @freq:       The frequency given to target function
 * @flags:      Flags handed from devfreq framework.
 *
+ * Locking: This function must be called under rcu_read_lock(). opp is a rcu
+ * protected pointer. The reason for the same is that the opp pointer which is
+ * returned will remain valid for use with opp_get_{voltage, freq} only while
+ * under the locked area. The pointer returned must be used prior to unlocking
+ * with rcu_read_unlock() to maintain the integrity of the pointer.
 */
 struct opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq,
                                    u32 flags)
diff --git a/drivers/devfreq/exynos4_bus.c b/drivers/devfreq/exynos4_bus.c
index 80c745e83082..46d94e9e95b5 100644
--- a/drivers/devfreq/exynos4_bus.c
+++ b/drivers/devfreq/exynos4_bus.c
@@ -73,6 +73,16 @@ enum busclk_level_idx {
 #define EX4210_LV_NUM   (LV_2 + 1)
 #define EX4x12_LV_NUM   (LV_4 + 1)
+/**
+ * struct busfreq_opp_info - opp information for bus
+ * @rate:       Frequency in hertz
+ * @volt:       Voltage in microvolts corresponding to this OPP
+ */
+struct busfreq_opp_info {
+        unsigned long rate;
+        unsigned long volt;
+};
 struct busfreq_data {
        enum exynos4_busf_type type;
        struct device *dev;
@@ -80,7 +90,7 @@ struct busfreq_data {
        bool disabled;
        struct regulator *vdd_int;
        struct regulator *vdd_mif; /* Exynos4412/4212 only */
-        struct opp *curr_opp;
+        struct busfreq_opp_info curr_oppinfo;
        struct exynos4_ppmu dmc[2];
        struct notifier_block pm_notifier;
@@ -296,13 +306,14 @@ static unsigned int exynos4x12_clkdiv_sclkip[][3] = {
 };
-static int exynos4210_set_busclk(struct busfreq_data *data, struct opp *opp)
+static int exynos4210_set_busclk(struct busfreq_data *data,
+                                 struct busfreq_opp_info *oppi)
 {
        unsigned int index;
        unsigned int tmp;
        for (index = LV_0; index < EX4210_LV_NUM; index++)
-                if (opp_get_freq(opp) == exynos4210_busclk_table[index].clk)
+                if (oppi->rate == exynos4210_busclk_table[index].clk)
                        break;
        if (index == EX4210_LV_NUM)
@@ -361,13 +372,14 @@ static int exynos4210_set_busclk(struct busfreq_data *data, struct opp *opp)
        return 0;
 }
-static int exynos4x12_set_busclk(struct busfreq_data *data, struct opp *opp)
+static int exynos4x12_set_busclk(struct busfreq_data *data,
+                                 struct busfreq_opp_info *oppi)
 {
        unsigned int index;
        unsigned int tmp;
        for (index = LV_0; index < EX4x12_LV_NUM; index++)
-                if (opp_get_freq(opp) == exynos4x12_mifclk_table[index].clk)
+                if (oppi->rate == exynos4x12_mifclk_table[index].clk)
                        break;
        if (index == EX4x12_LV_NUM)
@@ -576,11 +588,12 @@ static int exynos4x12_get_intspec(unsigned long mifclk)
        return -EINVAL;
 }
-static int exynos4_bus_setvolt(struct busfreq_data *data, struct opp *opp,
+static int exynos4_bus_setvolt(struct busfreq_data *data,
-                               struct opp *oldopp)
+                               struct busfreq_opp_info *oppi,
+                               struct busfreq_opp_info *oldoppi)
 {
        int err = 0, tmp;
-        unsigned long volt = opp_get_voltage(opp);
+        unsigned long volt = oppi->volt;
        switch (data->type) {
        case TYPE_BUSF_EXYNOS4210:
@@ -595,11 +608,11 @@ static int exynos4_bus_setvolt(struct busfreq_data *data, struct opp *opp,
                if (err)
                        break;
-                tmp = exynos4x12_get_intspec(opp_get_freq(opp));
+                tmp = exynos4x12_get_intspec(oppi->rate);
                if (tmp < 0) {
                        err = tmp;
                        regulator_set_voltage(data->vdd_mif,
-                                              opp_get_voltage(oldopp),
+                                              oldoppi->volt,
                                              MAX_SAFEVOLT);
                        break;
                }
@@ -609,7 +622,7 @@ static int exynos4_bus_setvolt(struct busfreq_data *data, struct opp *opp,
                /*  Try to recover */
                if (err)
                        regulator_set_voltage(data->vdd_mif,
-                                              opp_get_voltage(oldopp),
+                                              oldoppi->volt,
                                              MAX_SAFEVOLT);
                break;
        default:
@@ -626,17 +639,26 @@ static int exynos4_bus_target(struct device *dev, unsigned long *_freq,
        struct platform_device *pdev = container_of(dev, struct platform_device,
                                                    dev);
        struct busfreq_data *data = platform_get_drvdata(pdev);
-        struct opp *opp = devfreq_recommended_opp(dev, _freq, flags);
+        struct opp *opp;
-        unsigned long freq = opp_get_freq(opp);
+        unsigned long freq;
-        unsigned long old_freq = opp_get_freq(data->curr_opp);
+        unsigned long old_freq = data->curr_oppinfo.rate;
+        struct busfreq_opp_info new_oppinfo;
-        if (IS_ERR(opp))
+        rcu_read_lock();
+        opp = devfreq_recommended_opp(dev, _freq, flags);
+        if (IS_ERR(opp)) {
+                rcu_read_unlock();
                return PTR_ERR(opp);
+        }
+        new_oppinfo.rate = opp_get_freq(opp);
+        new_oppinfo.volt = opp_get_voltage(opp);
+        rcu_read_unlock();
+        freq = new_oppinfo.rate;
        if (old_freq == freq)
                return 0;
-        dev_dbg(dev, "targetting %lukHz %luuV\n", freq, opp_get_voltage(opp));
+        dev_dbg(dev, "targetting %lukHz %luuV\n", freq, new_oppinfo.volt);
        mutex_lock(&data->lock);
@@ -644,17 +666,18 @@ static int exynos4_bus_target(struct device *dev, unsigned long *_freq,
                goto out;
        if (old_freq < freq)
-                err = exynos4_bus_setvolt(data, opp, data->curr_opp);
+                err = exynos4_bus_setvolt(data, &new_oppinfo,
+                                          &data->curr_oppinfo);
        if (err)
                goto out;
        if (old_freq != freq) {
                switch (data->type) {
                case TYPE_BUSF_EXYNOS4210:
-                        err = exynos4210_set_busclk(data, opp);
+                        err = exynos4210_set_busclk(data, &new_oppinfo);
                        break;
                case TYPE_BUSF_EXYNOS4x12:
-                        err = exynos4x12_set_busclk(data, opp);
+                        err = exynos4x12_set_busclk(data, &new_oppinfo);
                        break;
                default:
                        err = -EINVAL;
@@ -664,11 +687,12 @@ static int exynos4_bus_target(struct device *dev, unsigned long *_freq,
                goto out;
        if (old_freq > freq)
-                err = exynos4_bus_setvolt(data, opp, data->curr_opp);
+                err = exynos4_bus_setvolt(data, &new_oppinfo,
+                                          &data->curr_oppinfo);
        if (err)
                goto out;
-        data->curr_opp = opp;
+        data->curr_oppinfo = new_oppinfo;
 out:
        mutex_unlock(&data->lock);
        return err;
@@ -702,7 +726,7 @@ static int exynos4_bus_get_dev_status(struct device *dev,
        exynos4_read_ppmu(data);
        busier_dmc = exynos4_get_busier_dmc(data);
-        stat->current_frequency = opp_get_freq(data->curr_opp);
+        stat->current_frequency = data->curr_oppinfo.rate;
        if (busier_dmc)
                addr = S5P_VA_DMC1;
@@ -933,6 +957,7 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this,
        struct busfreq_data *data = container_of(this, struct busfreq_data,
                                                 pm_notifier);
        struct opp *opp;
+        struct busfreq_opp_info new_oppinfo;
        unsigned long maxfreq = ULONG_MAX;
        int err = 0;
@@ -943,18 +968,29 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this,
                data->disabled = true;
+                rcu_read_lock();
                opp = opp_find_freq_floor(data->dev, &maxfreq);
+                if (IS_ERR(opp)) {
+                        rcu_read_unlock();
+                        dev_err(data->dev, "%s: unable to find a min freq\n",
+                                __func__);
+                        return PTR_ERR(opp);
+                }
+                new_oppinfo.rate = opp_get_freq(opp);
+                new_oppinfo.volt = opp_get_voltage(opp);
+                rcu_read_unlock();
-                err = exynos4_bus_setvolt(data, opp, data->curr_opp);
+                err = exynos4_bus_setvolt(data, &new_oppinfo,
+                                          &data->curr_oppinfo);
                if (err)
                        goto unlock;
                switch (data->type) {
                case TYPE_BUSF_EXYNOS4210:
-                        err = exynos4210_set_busclk(data, opp);
+                        err = exynos4210_set_busclk(data, &new_oppinfo);
                        break;
                case TYPE_BUSF_EXYNOS4x12:
-                        err = exynos4x12_set_busclk(data, opp);
+                        err = exynos4x12_set_busclk(data, &new_oppinfo);
                        break;
                default:
                        err = -EINVAL;
@@ -962,7 +998,7 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this,
                if (err)
                        goto unlock;
-                data->curr_opp = opp;
+                data->curr_oppinfo = new_oppinfo;
 unlock:
                mutex_unlock(&data->lock);
                if (err)
@@ -1027,13 +1063,17 @@ static int exynos4_busfreq_probe(struct platform_device *pdev)
                }
        }
+        rcu_read_lock();
        opp = opp_find_freq_floor(dev, &exynos4_devfreq_profile.initial_freq);
        if (IS_ERR(opp)) {
+                rcu_read_unlock();
                dev_err(dev, "Invalid initial frequency %lu kHz.\n",
                        exynos4_devfreq_profile.initial_freq);
                return PTR_ERR(opp);
        }
-        data->curr_opp = opp;
+        data->curr_oppinfo.rate = opp_get_freq(opp);
+        data->curr_oppinfo.volt = opp_get_voltage(opp);
+        rcu_read_unlock();
        platform_set_drvdata(pdev, data);
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index dbf0e6f8de8a..a7dcf78b1ff8 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -684,9 +684,8 @@ static int imxdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
                        break;
                }
-                imxdmac->hw_chaining = 1;
+                imxdmac->hw_chaining = 0;
-                if (!imxdma_hw_chain(imxdmac))
-                        return -EINVAL;
                imxdmac->ccr_from_device = (mode | IMX_DMA_TYPE_FIFO) |
                        ((IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR) << 2) |
                        CCR_REN;
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index e5fc944de1f0..3e9d66920eb3 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -951,7 +951,7 @@ static int ioat_xor_val_self_test(struct ioatdma_device *device)
                        goto free_resources;
                }
        }
-        dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_TO_DEVICE);
+        dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_FROM_DEVICE);
        /* skip validate if the capability is not present */
        if (!dma_has_cap(DMA_XOR_VAL, dma_chan->device->cap_mask))
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index c39e61bc8172..3cad856fe67f 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -266,6 +266,7 @@ static struct tegra_dma_desc *tegra_dma_desc_get(
                if (async_tx_test_ack(&dma_desc->txd)) {
                        list_del(&dma_desc->node);
                        spin_unlock_irqrestore(&tdc->lock, flags);
+                        dma_desc->txd.flags = 0;
                        return dma_desc;
                }
        }
@@ -1050,7 +1051,9 @@ struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic(
                                        TEGRA_APBDMA_AHBSEQ_WRAP_SHIFT;
        ahb_seq |= TEGRA_APBDMA_AHBSEQ_BUS_WIDTH_32;
-        csr |= TEGRA_APBDMA_CSR_FLOW | TEGRA_APBDMA_CSR_IE_EOC;
+        csr |= TEGRA_APBDMA_CSR_FLOW;
+        if (flags & DMA_PREP_INTERRUPT)
+                csr |= TEGRA_APBDMA_CSR_IE_EOC;
        csr |= tdc->dma_sconfig.slave_id << TEGRA_APBDMA_CSR_REQ_SEL_SHIFT;
        apb_seq |= TEGRA_APBDMA_APBSEQ_WRAP_WORD_1;
@@ -1095,7 +1098,8 @@ struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic(
                mem += len;
        }
        sg_req->last_sg = true;
-        dma_desc->txd.flags = 0;
+        if (flags & DMA_CTRL_ACK)
+                dma_desc->txd.flags = DMA_CTRL_ACK;
        /*
         * Make sure that mode should not be conflicting with currently
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 281f566a5513..d1e9eb191f2b 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -340,7 +340,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
        /*
         * Alocate and fill the csrow/channels structs
         */
-        mci->csrows = kcalloc(sizeof(*mci->csrows), tot_csrows, GFP_KERNEL);
+        mci->csrows = kcalloc(tot_csrows, sizeof(*mci->csrows), GFP_KERNEL);
        if (!mci->csrows)
                goto error;
        for (row = 0; row < tot_csrows; row++) {
@@ -351,7 +351,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
                csr->csrow_idx = row;
                csr->mci = mci;
                csr->nr_channels = tot_channels;
-                csr->channels = kcalloc(sizeof(*csr->channels), tot_channels,
+                csr->channels = kcalloc(tot_channels, sizeof(*csr->channels),
                                        GFP_KERNEL);
                if (!csr->channels)
                        goto error;
@@ -369,7 +369,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num,
        /*
         * Allocate and fill the dimm structs
         */
-        mci->dimms  = kcalloc(sizeof(*mci->dimms), tot_dimms, GFP_KERNEL);
+        mci->dimms  = kcalloc(tot_dimms, sizeof(*mci->dimms), GFP_KERNEL);
        if (!mci->dimms)
                goto error;
diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index dc6e905ee1a5..0056c4dae9d5 100644
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -256,7 +256,7 @@ static ssize_t edac_pci_dev_store(struct kobject *kobj,
        struct edac_pci_dev_attribute *edac_pci_dev;
        edac_pci_dev = (struct edac_pci_dev_attribute *)attr;
-        if (edac_pci_dev->show)
+        if (edac_pci_dev->store)
                return edac_pci_dev->store(edac_pci_dev->value, buffer, count);
        return -EIO;
 }
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index fd3ae6290d71..982f1f5f5742 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -471,7 +471,7 @@ void __init dmi_scan_machine(void)
        char __iomem *p, *q;
        int rc;
-        if (efi_enabled) {
+        if (efi_enabled(EFI_CONFIG_TABLES)) {
                if (efi.smbios == EFI_INVALID_TABLE_ADDR)
                        goto error;
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 7b1c37497c9a..f5596db0cf58 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -674,7 +674,7 @@ static int efi_status_to_err(efi_status_t status)
                err = -EACCES;
                break;
        case EFI_NOT_FOUND:
-                err = -ENOENT;
+                err = -EIO;
                break;
        default:
                err = -EINVAL;
@@ -793,6 +793,7 @@ static ssize_t efivarfs_file_write(struct file *file,
                spin_unlock(&efivars->lock);
                efivar_unregister(var);
                drop_nlink(inode);
+                d_delete(file->f_dentry);
                dput(file->f_dentry);
        } else {
@@ -994,7 +995,7 @@ static int efivarfs_unlink(struct inode *dir, struct dentry *dentry)
                list_del(&var->list);
                spin_unlock(&efivars->lock);
                efivar_unregister(var);
-                drop_nlink(dir);
+                drop_nlink(dentry->d_inode);
                dput(dentry);
                return 0;
        }
@@ -1782,7 +1783,7 @@ efivars_init(void)
        printk(KERN_INFO "EFI Variables Facility v%s %s\n", EFIVARS_VERSION,
               EFIVARS_DATE);
-        if (!efi_enabled)
+        if (!efi_enabled(EFI_RUNTIME_SERVICES))
                return 0;
        /* For now we'll register the efi directory at /sys/firmware/efi */
@@ -1822,7 +1823,7 @@ err_put:
 static void __exit
 efivars_exit(void)
 {
-        if (efi_enabled) {
+        if (efi_enabled(EFI_RUNTIME_SERVICES)) {
                unregister_efivars(&__efivars);
                kobject_put(efi_kobj);
        }
diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c
index 4da4eb9ae926..2224f1dc074b 100644
--- a/drivers/firmware/iscsi_ibft_find.c
+++ b/drivers/firmware/iscsi_ibft_find.c
@@ -99,7 +99,7 @@ unsigned long __init find_ibft_region(unsigned long *sizep)
        /* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
         * only use ACPI for this */
-        if (!efi_enabled)
+        if (!efi_enabled(EFI_BOOT))
                find_ibft_in_mem();
        if (ibft_addr) {
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 1d1f1e5e33f0..046bcda36abe 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -24,7 +24,7 @@ config DRM_EXYNOS_DMABUF
 config DRM_EXYNOS_FIMD
        bool "Exynos DRM FIMD"
-        depends on DRM_EXYNOS && !FB_S3C
+        depends on DRM_EXYNOS && !FB_S3C && !ARCH_MULTIPLATFORM
        help
          Choose this option if you want to use Exynos FIMD for DRM.
@@ -48,7 +48,7 @@ config DRM_EXYNOS_G2D
 config DRM_EXYNOS_IPP
        bool "Exynos DRM IPP"
-        depends on DRM_EXYNOS
+        depends on DRM_EXYNOS && !ARCH_MULTIPLATFORM
        help
          Choose this option if you want to use IPP feature for DRM.
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index ab37437bad8a..4c5b6859c9ea 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -18,7 +18,6 @@
 #include "exynos_drm_drv.h"
 #include "exynos_drm_encoder.h"
-#define MAX_EDID 256
 #define to_exynos_connector(x)  container_of(x, struct exynos_drm_connector,\
                                drm_connector)
@@ -96,7 +95,9 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
                                        to_exynos_connector(connector);
        struct exynos_drm_manager *manager = exynos_connector->manager;
        struct exynos_drm_display_ops *display_ops = manager->display_ops;
-        unsigned int count;
+        struct edid *edid = NULL;
+        unsigned int count = 0;
+        int ret;
        DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -114,27 +115,21 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
         * because lcd panel has only one mode.
         */
        if (display_ops->get_edid) {
-                int ret;
+                edid = display_ops->get_edid(manager->dev, connector);
-                void *edid;
+                if (IS_ERR_OR_NULL(edid)) {
+                        ret = PTR_ERR(edid);
-                edid = kzalloc(MAX_EDID, GFP_KERNEL);
+                        edid = NULL;
-                if (!edid) {
+                        DRM_ERROR("Panel operation get_edid failed %d\n", ret);
-                        DRM_ERROR("failed to allocate edid\n");
+                        goto out;
-                        return 0;
                }
-                ret = display_ops->get_edid(manager->dev, connector,
+                count = drm_add_edid_modes(connector, edid);
-                                                edid, MAX_EDID);
+                if (count < 0) {
-                if (ret < 0) {
+                        DRM_ERROR("Add edid modes failed %d\n", count);
-                        DRM_ERROR("failed to get edid data.\n");
+                        goto out;
-                        kfree(edid);
-                        edid = NULL;
-                        return 0;
                }
                drm_mode_connector_update_edid_property(connector, edid);
-                count = drm_add_edid_modes(connector, edid);
-                kfree(edid);
        } else {
                struct exynos_drm_panel_info *panel;
                struct drm_display_mode *mode = drm_mode_create(connector->dev);
@@ -161,6 +156,8 @@ static int exynos_drm_connector_get_modes(struct drm_connector *connector)
                count = 1;
        }
+out:
+        kfree(edid);
        return count;
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
index 9df97714b6c0..ba0a3aa78547 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
@@ -19,6 +19,7 @@
 struct exynos_drm_dmabuf_attachment {
        struct sg_table sgt;
        enum dma_data_direction dir;
+        bool is_mapped;
 };
 static int exynos_gem_attach_dma_buf(struct dma_buf *dmabuf,
@@ -72,17 +73,10 @@ static struct sg_table *
        DRM_DEBUG_PRIME("%s\n", __FILE__);
-        if (WARN_ON(dir == DMA_NONE))
-                return ERR_PTR(-EINVAL);
        /* just return current sgt if already requested. */
-        if (exynos_attach->dir == dir)
+        if (exynos_attach->dir == dir && exynos_attach->is_mapped)
                return &exynos_attach->sgt;
-        /* reattaching is not allowed. */
-        if (WARN_ON(exynos_attach->dir != DMA_NONE))
-                return ERR_PTR(-EBUSY);
        buf = gem_obj->buffer;
        if (!buf) {
                DRM_ERROR("buffer is null.\n");
@@ -107,13 +101,17 @@ static struct sg_table *
                wr = sg_next(wr);
        }
-        nents = dma_map_sg(attach->dev, sgt->sgl, sgt->orig_nents, dir);
+        if (dir != DMA_NONE) {
-        if (!nents) {
+                nents = dma_map_sg(attach->dev, sgt->sgl, sgt->orig_nents, dir);
-                DRM_ERROR("failed to map sgl with iommu.\n");
+                if (!nents) {
-                sgt = ERR_PTR(-EIO);
+                        DRM_ERROR("failed to map sgl with iommu.\n");
-                goto err_unlock;
+                        sg_free_table(sgt);
+                        sgt = ERR_PTR(-EIO);
+                        goto err_unlock;
+                }
        }
+        exynos_attach->is_mapped = true;
        exynos_attach->dir = dir;
        attach->priv = exynos_attach;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index b9e51bc09e81..4606fac7241a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -148,8 +148,8 @@ struct exynos_drm_overlay {
 struct exynos_drm_display_ops {
        enum exynos_drm_output_type type;
        bool (*is_connected)(struct device *dev);
-        int (*get_edid)(struct device *dev, struct drm_connector *connector,
+        struct edid *(*get_edid)(struct device *dev,
-                                u8 *edid, int len);
+                        struct drm_connector *connector);
        void *(*get_panel)(struct device *dev);
        int (*check_timing)(struct device *dev, void *timing);
        int (*power_on)(struct device *dev, int mode);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index 36c3905536a6..9a4c08e7453c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -324,7 +324,7 @@ out:
        g2d_userptr = NULL;
 }
-dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev,
+static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev,
                                        unsigned long userptr,
                                        unsigned long size,
                                        struct drm_file *filp,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index 850e9950b7da..28644539b305 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -108,18 +108,17 @@ static bool drm_hdmi_is_connected(struct device *dev)
        return false;
 }
-static int drm_hdmi_get_edid(struct device *dev,
+static struct edid *drm_hdmi_get_edid(struct device *dev,
-                struct drm_connector *connector, u8 *edid, int len)
+                        struct drm_connector *connector)
 {
        struct drm_hdmi_context *ctx = to_context(dev);
        DRM_DEBUG_KMS("%s\n", __FILE__);
        if (hdmi_ops && hdmi_ops->get_edid)
-                return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector, edid,
+                return hdmi_ops->get_edid(ctx->hdmi_ctx->ctx, connector);
-                                          len);
-        return 0;
+        return NULL;
 }
 static int drm_hdmi_check_timing(struct device *dev, void *timing)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
index 784a7e9a766c..d80516fc9ed7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
@@ -30,8 +30,8 @@ struct exynos_drm_hdmi_context {
 struct exynos_hdmi_ops {
        /* display */
        bool (*is_connected)(void *ctx);
-        int (*get_edid)(void *ctx, struct drm_connector *connector,
+        struct edid *(*get_edid)(void *ctx,
-                        u8 *edid, int len);
+                        struct drm_connector *connector);
        int (*check_timing)(void *ctx, void *timing);
        int (*power_on)(void *ctx, int mode);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 0bda96454a02..1a556354e92f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -869,7 +869,7 @@ static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node,
        }
 }
-void ipp_handle_cmd_work(struct device *dev,
+static void ipp_handle_cmd_work(struct device *dev,
                struct exynos_drm_ippdrv *ippdrv,
                struct drm_exynos_ipp_cmd_work *cmd_work,
                struct drm_exynos_ipp_cmd_node *c_node)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index e9e83ef688f0..f976e29def6e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -734,7 +734,7 @@ static int rotator_remove(struct platform_device *pdev)
        return 0;
 }
-struct rot_limit_table rot_limit_tbl = {
+static struct rot_limit_table rot_limit_tbl = {
        .ycbcr420_2p = {
                .min_w = 32,
                .min_h = 32,
@@ -751,7 +751,7 @@ struct rot_limit_table rot_limit_tbl = {
        },
 };
-struct platform_device_id rotator_driver_ids[] = {
+static struct platform_device_id rotator_driver_ids[] = {
        {
                .name           = "exynos-rot",
                .driver_data    = (unsigned long)&rot_limit_tbl,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index d0ca3c4e06c6..13ccbd4bcfaa 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -98,10 +98,12 @@ static bool vidi_display_is_connected(struct device *dev)
        return ctx->connected ? true : false;
 }
-static int vidi_get_edid(struct device *dev, struct drm_connector *connector,
+static struct edid *vidi_get_edid(struct device *dev,
-                                u8 *edid, int len)
+                        struct drm_connector *connector)
 {
        struct vidi_context *ctx = get_vidi_context(dev);
+        struct edid *edid;
+        int edid_len;
        DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -111,13 +113,18 @@ static int vidi_get_edid(struct device *dev, struct drm_connector *connector,
         */
        if (!ctx->raw_edid) {
                DRM_DEBUG_KMS("raw_edid is null.\n");
-                return -EFAULT;
+                return ERR_PTR(-EFAULT);
        }
-        memcpy(edid, ctx->raw_edid, min((1 + ctx->raw_edid->extensions)
+        edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
-                                        * EDID_LENGTH, len));
+        edid = kzalloc(edid_len, GFP_KERNEL);
+        if (!edid) {
+                DRM_DEBUG_KMS("failed to allocate edid\n");
+                return ERR_PTR(-ENOMEM);
+        }
-        return 0;
+        memcpy(edid, ctx->raw_edid, edid_len);
+        return edid;
 }
 static void *vidi_get_panel(struct device *dev)
@@ -514,7 +521,6 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
        struct exynos_drm_manager *manager;
        struct exynos_drm_display_ops *display_ops;
        struct drm_exynos_vidi_connection *vidi = data;
-        struct edid *raw_edid;
        int edid_len;
        DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -551,11 +557,11 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
        }
        if (vidi->connection) {
-                if (!vidi->edid) {
+                struct edid *raw_edid  = (struct edid *)(uint32_t)vidi->edid;
-                        DRM_DEBUG_KMS("edid data is null.\n");
+                if (!drm_edid_is_valid(raw_edid)) {
+                        DRM_DEBUG_KMS("edid data is invalid.\n");
                        return -EINVAL;
                }
-                raw_edid = (struct edid *)(uint32_t)vidi->edid;
                edid_len = (1 + raw_edid->extensions) * EDID_LENGTH;
                ctx->raw_edid = kzalloc(edid_len, GFP_KERNEL);
                if (!ctx->raw_edid) {
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 41ff79d8ac8e..fbab3c468603 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -34,7 +34,6 @@
 #include <linux/regulator/consumer.h>
 #include <linux/io.h>
 #include <linux/of_gpio.h>
-#include <plat/gpio-cfg.h>
 #include <drm/exynos_drm.h>
@@ -98,8 +97,7 @@ struct hdmi_context {
        void __iomem                    *regs;
        void                            *parent_ctx;
-        int                             external_irq;
+        int                             irq;
-        int                             internal_irq;
        struct i2c_client               *ddc_port;
        struct i2c_client               *hdmiphy_port;
@@ -1391,8 +1389,7 @@ static bool hdmi_is_connected(void *ctx)
        return hdata->hpd;
 }
-static int hdmi_get_edid(void *ctx, struct drm_connector *connector,
+static struct edid *hdmi_get_edid(void *ctx, struct drm_connector *connector)
-                                u8 *edid, int len)
 {
        struct edid *raw_edid;
        struct hdmi_context *hdata = ctx;
@@ -1400,22 +1397,18 @@ static int hdmi_get_edid(void *ctx, struct drm_connector *connector,
        DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
        if (!hdata->ddc_port)
-                return -ENODEV;
+                return ERR_PTR(-ENODEV);
        raw_edid = drm_get_edid(connector, hdata->ddc_port->adapter);
-        if (raw_edid) {
+        if (!raw_edid)
-                hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid);
+                return ERR_PTR(-ENODEV);
-                memcpy(edid, raw_edid, min((1 + raw_edid->extensions)
-                                        * EDID_LENGTH, len));
-                DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
-                        (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
-                        raw_edid->width_cm, raw_edid->height_cm);
-                kfree(raw_edid);
-        } else {
-                return -ENODEV;
-        }
-        return 0;
+        hdata->dvi_mode = !drm_detect_hdmi_monitor(raw_edid);
+        DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
+                (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
+                raw_edid->width_cm, raw_edid->height_cm);
+        return raw_edid;
 }
 static int hdmi_v13_check_timing(struct fb_videomode *check_timing)
@@ -1652,16 +1645,16 @@ static void hdmi_conf_reset(struct hdmi_context *hdata)
        /* resetting HDMI core */
        hdmi_reg_writemask(hdata, reg,  0, HDMI_CORE_SW_RSTOUT);
-        mdelay(10);
+        usleep_range(10000, 12000);
        hdmi_reg_writemask(hdata, reg, ~0, HDMI_CORE_SW_RSTOUT);
-        mdelay(10);
+        usleep_range(10000, 12000);
 }
 static void hdmi_conf_init(struct hdmi_context *hdata)
 {
        struct hdmi_infoframe infoframe;
-        /* disable HPD interrupts */
+        /* disable HPD interrupts from HDMI IP block, use GPIO instead */
        hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
                HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
@@ -1779,7 +1772,7 @@ static void hdmi_v13_timing_apply(struct hdmi_context *hdata)
                u32 val = hdmi_reg_read(hdata, HDMI_V13_PHY_STATUS);
                if (val & HDMI_PHY_STATUS_READY)
                        break;
-                mdelay(1);
+                usleep_range(1000, 2000);
        }
        /* steady state not achieved */
        if (tries == 0) {
@@ -1946,7 +1939,7 @@ static void hdmi_v14_timing_apply(struct hdmi_context *hdata)
                u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS_0);
                if (val & HDMI_PHY_STATUS_READY)
                        break;
-                mdelay(1);
+                usleep_range(1000, 2000);
        }
        /* steady state not achieved */
        if (tries == 0) {
@@ -1998,9 +1991,9 @@ static void hdmiphy_conf_reset(struct hdmi_context *hdata)
        /* reset hdmiphy */
        hdmi_reg_writemask(hdata, reg, ~0, HDMI_PHY_SW_RSTOUT);
-        mdelay(10);
+        usleep_range(10000, 12000);
        hdmi_reg_writemask(hdata, reg,  0, HDMI_PHY_SW_RSTOUT);
-        mdelay(10);
+        usleep_range(10000, 12000);
 }
 static void hdmiphy_poweron(struct hdmi_context *hdata)
@@ -2048,7 +2041,7 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata)
                return;
        }
-        mdelay(10);
+        usleep_range(10000, 12000);
        /* operation mode */
        operation[0] = 0x1f;
@@ -2170,6 +2163,13 @@ static void hdmi_commit(void *ctx)
        DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
+        mutex_lock(&hdata->hdmi_mutex);
+        if (!hdata->powered) {
+                mutex_unlock(&hdata->hdmi_mutex);
+                return;
+        }
+        mutex_unlock(&hdata->hdmi_mutex);
        hdmi_conf_apply(hdata);
 }
@@ -2265,7 +2265,7 @@ static struct exynos_hdmi_ops hdmi_ops = {
        .dpms           = hdmi_dpms,
 };
-static irqreturn_t hdmi_external_irq_thread(int irq, void *arg)
+static irqreturn_t hdmi_irq_thread(int irq, void *arg)
 {
        struct exynos_drm_hdmi_context *ctx = arg;
        struct hdmi_context *hdata = ctx->ctx;
@@ -2280,31 +2280,6 @@ static irqreturn_t hdmi_external_irq_thread(int irq, void *arg)
        return IRQ_HANDLED;
 }
-static irqreturn_t hdmi_internal_irq_thread(int irq, void *arg)
-{
-        struct exynos_drm_hdmi_context *ctx = arg;
-        struct hdmi_context *hdata = ctx->ctx;
-        u32 intc_flag;
-        intc_flag = hdmi_reg_read(hdata, HDMI_INTC_FLAG);
-        /* clearing flags for HPD plug/unplug */
-        if (intc_flag & HDMI_INTC_FLAG_HPD_UNPLUG) {
-                DRM_DEBUG_KMS("unplugged\n");
-                hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0,
-                        HDMI_INTC_FLAG_HPD_UNPLUG);
-        }
-        if (intc_flag & HDMI_INTC_FLAG_HPD_PLUG) {
-                DRM_DEBUG_KMS("plugged\n");
-                hdmi_reg_writemask(hdata, HDMI_INTC_FLAG, ~0,
-                        HDMI_INTC_FLAG_HPD_PLUG);
-        }
-        if (ctx->drm_dev)
-                drm_helper_hpd_irq_event(ctx->drm_dev);
-        return IRQ_HANDLED;
-}
 static int hdmi_resources_init(struct hdmi_context *hdata)
 {
        struct device *dev = hdata->dev;
@@ -2555,39 +2530,24 @@ static int hdmi_probe(struct platform_device *pdev)
        hdata->hdmiphy_port = hdmi_hdmiphy;
-        hdata->external_irq = gpio_to_irq(hdata->hpd_gpio);
+        hdata->irq = gpio_to_irq(hdata->hpd_gpio);
-        if (hdata->external_irq < 0) {
+        if (hdata->irq < 0) {
-                DRM_ERROR("failed to get GPIO external irq\n");
+                DRM_ERROR("failed to get GPIO irq\n");
-                ret = hdata->external_irq;
+                ret = hdata->irq;
-                goto err_hdmiphy;
-        }
-        hdata->internal_irq = platform_get_irq(pdev, 0);
-        if (hdata->internal_irq < 0) {
-                DRM_ERROR("failed to get platform internal irq\n");
-                ret = hdata->internal_irq;
                goto err_hdmiphy;
        }
        hdata->hpd = gpio_get_value(hdata->hpd_gpio);
-        ret = request_threaded_irq(hdata->external_irq, NULL,
+        ret = request_threaded_irq(hdata->irq, NULL,
-                        hdmi_external_irq_thread, IRQF_TRIGGER_RISING |
+                        hdmi_irq_thread, IRQF_TRIGGER_RISING |
                        IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-                        "hdmi_external", drm_hdmi_ctx);
+                        "hdmi", drm_hdmi_ctx);
        if (ret) {
-                DRM_ERROR("failed to register hdmi external interrupt\n");
+                DRM_ERROR("failed to register hdmi interrupt\n");
                goto err_hdmiphy;
        }
-        ret = request_threaded_irq(hdata->internal_irq, NULL,
-                        hdmi_internal_irq_thread, IRQF_ONESHOT,
-                        "hdmi_internal", drm_hdmi_ctx);
-        if (ret) {
-                DRM_ERROR("failed to register hdmi internal interrupt\n");
-                goto err_free_irq;
-        }
        /* Attach HDMI Driver to common hdmi. */
        exynos_hdmi_drv_attach(drm_hdmi_ctx);
@@ -2598,8 +2558,6 @@ static int hdmi_probe(struct platform_device *pdev)
        return 0;
-err_free_irq:
-        free_irq(hdata->external_irq, drm_hdmi_ctx);
 err_hdmiphy:
        i2c_del_driver(&hdmiphy_driver);
 err_ddc:
@@ -2617,8 +2575,7 @@ static int hdmi_remove(struct platform_device *pdev)
        pm_runtime_disable(dev);
-        free_irq(hdata->internal_irq, hdata);
+        free_irq(hdata->irq, hdata);
-        free_irq(hdata->external_irq, hdata);
        /* hdmiphy i2c driver */
@@ -2637,8 +2594,7 @@ static int hdmi_suspend(struct device *dev)
        DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__);
-        disable_irq(hdata->internal_irq);
+        disable_irq(hdata->irq);
-        disable_irq(hdata->external_irq);
        hdata->hpd = false;
        if (ctx->drm_dev)
@@ -2663,8 +2619,7 @@ static int hdmi_resume(struct device *dev)
        hdata->hpd = gpio_get_value(hdata->hpd_gpio);
-        enable_irq(hdata->external_irq);
+        enable_irq(hdata->irq);
-        enable_irq(hdata->internal_irq);
        if (!pm_runtime_suspended(dev)) {
                DRM_DEBUG_KMS("%s : Already resumed\n", __func__);
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index c187ea33b748..c414584bfbae 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -600,7 +600,7 @@ static void vp_win_reset(struct mixer_context *ctx)
                /* waiting until VP_SRESET_PROCESSING is 0 */
                if (~vp_reg_read(res, VP_SRESET) & VP_SRESET_PROCESSING)
                        break;
-                mdelay(10);
+                usleep_range(10000, 12000);
        }
        WARN(tries == 0, "failed to reset Video Processor\n");
 }
@@ -776,6 +776,13 @@ static void mixer_win_commit(void *ctx, int win)
        DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win);
+        mutex_lock(&mixer_ctx->mixer_mutex);
+        if (!mixer_ctx->powered) {
+                mutex_unlock(&mixer_ctx->mixer_mutex);
+                return;
+        }
+        mutex_unlock(&mixer_ctx->mixer_mutex);
        if (win > 1 && mixer_ctx->vp_enabled)
                vp_video_buffer(mixer_ctx, win);
        else
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 7944d301518a..9d4a2c2adf0e 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -30,6 +30,7 @@
 #include <linux/debugfs.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <generated/utsrelease.h>
 #include <drm/drmP.h>
 #include "intel_drv.h"
 #include "intel_ringbuffer.h"
@@ -690,6 +691,7 @@ static int i915_error_state(struct seq_file *m, void *unused)
        seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
                   error->time.tv_usec);
+        seq_printf(m, "Kernel: " UTS_RELEASE);
        seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
        seq_printf(m, "EIR: 0x%08x\n", error->eir);
        seq_printf(m, "IER: 0x%08x\n", error->ier);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b401788e1791..59afb7eb6db6 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -533,6 +533,7 @@
 #define MI_MODE         0x0209c
 # define VS_TIMER_DISPATCH                              (1 << 6)
 # define MI_FLUSH_ENABLE                                (1 << 12)
+# define ASYNC_FLIP_PERF_DISABLE                        (1 << 14)
 #define GEN6_GT_MODE    0x20d0
 #define   GEN6_GT_MODE_HI                               (1 << 9)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index ae253e04c391..42ff97d667d2 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -505,13 +505,25 @@ static int init_render_ring(struct intel_ring_buffer *ring)
        struct drm_i915_private *dev_priv = dev->dev_private;
        int ret = init_ring_common(ring);
-        if (INTEL_INFO(dev)->gen > 3) {
+        if (INTEL_INFO(dev)->gen > 3)
                I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(VS_TIMER_DISPATCH));
-                if (IS_GEN7(dev))
-                        I915_WRITE(GFX_MODE_GEN7,
+        /* We need to disable the AsyncFlip performance optimisations in order
-                                   _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
+         * to use MI_WAIT_FOR_EVENT within the CS. It should already be
-                                   _MASKED_BIT_ENABLE(GFX_REPLAY_MODE));
+         * programmed to '1' on all products.
-        }
+         */
+        if (INTEL_INFO(dev)->gen >= 6)
+                I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE));
+        /* Required for the hardware to program scanline values for waiting */
+        if (INTEL_INFO(dev)->gen == 6)
+                I915_WRITE(GFX_MODE,
+                           _MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_ALWAYS));
+        if (IS_GEN7(dev))
+                I915_WRITE(GFX_MODE_GEN7,
+                           _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
+                           _MASKED_BIT_ENABLE(GFX_REPLAY_MODE));
        if (INTEL_INFO(dev)->gen >= 5) {
                ret = init_pipe_control(ring);
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 59acabb45c9b..835992d8d067 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1216,7 +1216,7 @@ void cayman_dma_stop(struct radeon_device *rdev)
 int cayman_dma_resume(struct radeon_device *rdev)
 {
        struct radeon_ring *ring;
-        u32 rb_cntl, dma_cntl;
+        u32 rb_cntl, dma_cntl, ib_cntl;
        u32 rb_bufsz;
        u32 reg_offset, wb_offset;
        int i, r;
@@ -1265,7 +1265,11 @@ int cayman_dma_resume(struct radeon_device *rdev)
                WREG32(DMA_RB_BASE + reg_offset, ring->gpu_addr >> 8);
                /* enable DMA IBs */
-                WREG32(DMA_IB_CNTL + reg_offset, DMA_IB_ENABLE | CMD_VMID_FORCE);
+                ib_cntl = DMA_IB_ENABLE | CMD_VMID_FORCE;
+#ifdef __BIG_ENDIAN
+                ib_cntl |= DMA_IB_SWAP_ENABLE;
+#endif
+                WREG32(DMA_IB_CNTL + reg_offset, ib_cntl);
                dma_cntl = RREG32(DMA_CNTL + reg_offset);
                dma_cntl &= ~CTXEMPTY_INT_ENABLE;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 3cb9d6089373..bc2540b17c5e 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2313,7 +2313,7 @@ void r600_dma_stop(struct radeon_device *rdev)
 int r600_dma_resume(struct radeon_device *rdev)
 {
        struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
-        u32 rb_cntl, dma_cntl;
+        u32 rb_cntl, dma_cntl, ib_cntl;
        u32 rb_bufsz;
        int r;
@@ -2353,7 +2353,11 @@ int r600_dma_resume(struct radeon_device *rdev)
        WREG32(DMA_RB_BASE, ring->gpu_addr >> 8);
        /* enable DMA IBs */
-        WREG32(DMA_IB_CNTL, DMA_IB_ENABLE);
+        ib_cntl = DMA_IB_ENABLE;
+#ifdef __BIG_ENDIAN
+        ib_cntl |= DMA_IB_SWAP_ENABLE;
+#endif
+        WREG32(DMA_IB_CNTL, ib_cntl);
        dma_cntl = RREG32(DMA_CNTL);
        dma_cntl &= ~CTXEMPTY_INT_ENABLE;
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 469661fd1903..5407459e56d2 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -286,6 +286,8 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
                            p->chunks[p->chunk_ib_idx].kpage[1] == NULL) {
                                kfree(p->chunks[p->chunk_ib_idx].kpage[0]);
                                kfree(p->chunks[p->chunk_ib_idx].kpage[1]);
+                                p->chunks[p->chunk_ib_idx].kpage[0] = NULL;
+                                p->chunks[p->chunk_ib_idx].kpage[1] = NULL;
                                return -ENOMEM;
                        }
                }
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index ad6df625e8b8..0d67674b64b1 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -241,7 +241,8 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
                y = 0;
        }
-        if (ASIC_IS_AVIVO(rdev)) {
+        /* fixed on DCE6 and newer */
+        if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) {
                int i = 0;
                struct drm_crtc *crtc_p;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index edfc54e41842..0d6562bb0c93 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -429,7 +429,8 @@ bool radeon_card_posted(struct radeon_device *rdev)
 {
        uint32_t reg;
-        if (efi_enabled && rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE)
+        if (efi_enabled(EFI_BOOT) &&
+            rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE)
                return false;
        /* first check CRTCs */
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 1da2386d7cf7..ff3def784619 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1122,7 +1122,7 @@ radeon_user_framebuffer_create(struct drm_device *dev,
        if (ret) {
                kfree(radeon_fb);
                drm_gem_object_unreference_unlocked(obj);
-                return NULL;
+                return ERR_PTR(ret);
        }
        return &radeon_fb->base;
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index cbba7db9ad59..f5258c205de5 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -34,6 +34,7 @@
 #include <linux/io.h>
 #include <linux/pm_runtime.h>
 #include <linux/delay.h>
+#include <linux/module.h>
 #include "i2c-designware-core.h"
 /*
@@ -725,3 +726,6 @@ u32 i2c_dw_read_comp_param(struct dw_i2c_dev *dev)
        return dw_readl(dev, DW_IC_COMP_PARAM_1);
 }
 EXPORT_SYMBOL_GPL(i2c_dw_read_comp_param);
+MODULE_DESCRIPTION("Synopsys DesignWare I2C bus adapter core");
+MODULE_LICENSE("GPL");
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 1b1a936eccc9..d6abaf2cf2e3 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -127,7 +127,7 @@ struct mxs_i2c_dev {
        struct device *dev;
        void __iomem *regs;
        struct completion cmd_complete;
-        u32 cmd_err;
+        int cmd_err;
        struct i2c_adapter adapter;
        const struct mxs_i2c_speed_config *speed;
@@ -316,7 +316,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg,
        if (msg->len == 0)
                return -EINVAL;
-        init_completion(&i2c->cmd_complete);
+        INIT_COMPLETION(i2c->cmd_complete);
        i2c->cmd_err = 0;
        ret = mxs_i2c_dma_setup_xfer(adap, msg, flags);
@@ -473,6 +473,8 @@ static int mxs_i2c_probe(struct platform_device *pdev)
        i2c->dev = dev;
        i2c->speed = &mxs_i2c_95kHz_config;
+        init_completion(&i2c->cmd_complete);
        if (dev->of_node) {
                err = mxs_i2c_get_ofdata(i2c);
                if (err)
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 20d41bfa7c19..4cc2f0528c88 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -803,7 +803,7 @@ static int errata_omap3_i462(struct omap_i2c_dev *dev)
                        if (stat & OMAP_I2C_STAT_AL) {
                                dev_err(dev->dev, "Arbitration lost\n");
                                dev->cmd_err |= OMAP_I2C_STAT_AL;
-                                omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK);
+                                omap_i2c_ack_stat(dev, OMAP_I2C_STAT_AL);
                        }
                        return -EIO;
@@ -963,7 +963,7 @@ omap_i2c_isr_thread(int this_irq, void *dev_id)
                                i2c_omap_errata_i207(dev, stat);
                        omap_i2c_ack_stat(dev, OMAP_I2C_STAT_RDR);
-                        break;
+                        continue;
                }
                if (stat & OMAP_I2C_STAT_RRDY) {
@@ -989,7 +989,7 @@ omap_i2c_isr_thread(int this_irq, void *dev_id)
                                break;
                        omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XDR);
-                        break;
+                        continue;
                }
                if (stat & OMAP_I2C_STAT_XRDY) {
diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c
index 3f1818b87974..e03381aee34f 100644
--- a/drivers/i2c/busses/i2c-sirf.c
+++ b/drivers/i2c/busses/i2c-sirf.c
@@ -12,6 +12,7 @@
 #include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
+#include <linux/of_i2c.h>
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/io.h>
@@ -328,6 +329,7 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev)
        adap->algo = &i2c_sirfsoc_algo;
        adap->algo_data = siic;
+        adap->dev.of_node = pdev->dev.of_node;
        adap->dev.parent = &pdev->dev;
        adap->nr = pdev->id;
@@ -371,6 +373,8 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev)
        clk_disable(clk);
+        of_i2c_register_devices(adap);
        dev_info(&pdev->dev, " I2C adapter ready to operate\n");
        return 0;
diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
index 1e44d04d1b22..a43c0ce5e3d8 100644
--- a/drivers/i2c/muxes/i2c-mux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c
@@ -167,7 +167,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev)
        }
        mux->busses = devm_kzalloc(&pdev->dev,
-                                   sizeof(mux->busses) * mux->pdata->bus_count,
+                                   sizeof(*mux->busses) * mux->pdata->bus_count,
                                   GFP_KERNEL);
        if (!mux->busses) {
                dev_err(&pdev->dev, "Cannot allocate busses\n");
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 4ba384f1ab54..2df9414a72f7 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -448,8 +448,6 @@ static int intel_idle_probe(void)
        else
                on_each_cpu(__setup_broadcast_timer, (void *)true, 1);
-        register_cpu_notifier(&cpu_hotplug_notifier);
        pr_debug(PREFIX "v" INTEL_IDLE_VERSION
                " model 0x%X\n", boot_cpu_data.x86_model);
@@ -612,6 +610,7 @@ static int __init intel_idle_init(void)
                        return retval;
                }
        }
+        register_cpu_notifier(&cpu_hotplug_notifier);
        return 0;
 }
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 81837b0710a9..faf10ba1ed9a 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -975,6 +975,38 @@ static void __init free_iommu_all(void)
 }
 /*
+ * Family15h Model 10h-1fh erratum 746 (IOMMU Logging May Stall Translations)
+ * Workaround:
+ *     BIOS should disable L2B micellaneous clock gating by setting
+ *     L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b
+ */
+static void __init amd_iommu_erratum_746_workaround(struct amd_iommu *iommu)
+{
+        u32 value;
+        if ((boot_cpu_data.x86 != 0x15) ||
+            (boot_cpu_data.x86_model < 0x10) ||
+            (boot_cpu_data.x86_model > 0x1f))
+                return;
+        pci_write_config_dword(iommu->dev, 0xf0, 0x90);
+        pci_read_config_dword(iommu->dev, 0xf4, &value);
+        if (value & BIT(2))
+                return;
+        /* Select NB indirect register 0x90 and enable writing */
+        pci_write_config_dword(iommu->dev, 0xf0, 0x90 | (1 << 8));
+        pci_write_config_dword(iommu->dev, 0xf4, value | 0x4);
+        pr_info("AMD-Vi: Applying erratum 746 workaround for IOMMU at %s\n",
+                dev_name(&iommu->dev->dev));
+        /* Clear the enable writing bit */
+        pci_write_config_dword(iommu->dev, 0xf0, 0x90);
+}
+/*
 * This function clues the initialization function for one IOMMU
 * together and also allocates the command buffer and programs the
 * hardware. It does NOT enable the IOMMU. This is done afterwards.
@@ -1172,6 +1204,8 @@ static int iommu_init_pci(struct amd_iommu *iommu)
                        iommu->stored_l2[i] = iommu_read_l2(iommu, i);
        }
+        amd_iommu_erratum_746_workaround(iommu);
        return pci_enable_device(iommu->dev);
 }
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index b9d091157884..eca28014ef3e 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4234,6 +4234,21 @@ static struct iommu_ops intel_iommu_ops = {
        .pgsize_bitmap  = INTEL_IOMMU_PGSIZES,
 };
+static void quirk_iommu_g4x_gfx(struct pci_dev *dev)
+{
+        /* G4x/GM45 integrated gfx dmar support is totally busted. */
+        printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n");
+        dmar_map_gfx = 0;
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e00, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e10, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e20, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e30, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e40, quirk_iommu_g4x_gfx);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e90, quirk_iommu_g4x_gfx);
 static void quirk_iommu_rwbf(struct pci_dev *dev)
 {
        /*
@@ -4242,12 +4257,6 @@ static void quirk_iommu_rwbf(struct pci_dev *dev)
         */
        printk(KERN_INFO "DMAR: Forcing write-buffer flush capability\n");
        rwbf_quirk = 1;
-        /* https://bugzilla.redhat.com/show_bug.cgi?id=538163 */
-        if (dev->revision == 0x07) {
-                printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n");
-                dmar_map_gfx = 0;
-        }
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_rwbf);
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index 68452b768da2..03a0a01a4054 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -248,6 +248,8 @@ static inline void dump_rawmsg(enum debuglevel level, const char *tag,
                CAPIMSG_APPID(data), CAPIMSG_MSGID(data), l,
                CAPIMSG_CONTROL(data));
        l -= 12;
+        if (l <= 0)
+                return;
        dbgline = kmalloc(3 * l, GFP_ATOMIC);
        if (!dbgline)
                return;
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 3d8984edeff7..9e58dbd8d8cb 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -340,24 +340,22 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size)
 }
 /*
- * validate_rebuild_devices
+ * validate_raid_redundancy
 * @rs
 *
- * Determine if the devices specified for rebuild can result in a valid
+ * Determine if there are enough devices in the array that haven't
- * usable array that is capable of rebuilding the given devices.
+ * failed (or are being rebuilt) to form a usable array.
 *
 * Returns: 0 on success, -EINVAL on failure.
 */
-static int validate_rebuild_devices(struct raid_set *rs)
+static int validate_raid_redundancy(struct raid_set *rs)
 {
        unsigned i, rebuild_cnt = 0;
        unsigned rebuilds_per_group, copies, d;
-        if (!(rs->print_flags & DMPF_REBUILD))
-                return 0;
        for (i = 0; i < rs->md.raid_disks; i++)
-                if (!test_bit(In_sync, &rs->dev[i].rdev.flags))
+                if (!test_bit(In_sync, &rs->dev[i].rdev.flags) ||
+                    !rs->dev[i].rdev.sb_page)
                        rebuild_cnt++;
        switch (rs->raid_type->level) {
@@ -393,27 +391,24 @@ static int validate_rebuild_devices(struct raid_set *rs)
                 *          A    A    B    B    C
                 *          C    D    D    E    E
                 */
-                rebuilds_per_group = 0;
                for (i = 0; i < rs->md.raid_disks * copies; i++) {
+                        if (!(i % copies))
+                                rebuilds_per_group = 0;
                        d = i % rs->md.raid_disks;
-                        if (!test_bit(In_sync, &rs->dev[d].rdev.flags) &&
+                        if ((!rs->dev[d].rdev.sb_page ||
+                             !test_bit(In_sync, &rs->dev[d].rdev.flags)) &&
                            (++rebuilds_per_group >= copies))
                                goto too_many;
-                        if (!((i + 1) % copies))
-                                rebuilds_per_group = 0;
                }
                break;
        default:
-                DMERR("The rebuild parameter is not supported for %s",
+                if (rebuild_cnt)
-                      rs->raid_type->name);
+                        return -EINVAL;
-                rs->ti->error = "Rebuild not supported for this RAID type";
-                return -EINVAL;
        }
        return 0;
 too_many:
-        rs->ti->error = "Too many rebuild devices specified";
        return -EINVAL;
 }
@@ -664,9 +659,6 @@ static int parse_raid_params(struct raid_set *rs, char **argv,
        }
        rs->md.dev_sectors = sectors_per_dev;
-        if (validate_rebuild_devices(rs))
-                return -EINVAL;
        /* Assume there are no metadata devices until the drives are parsed */
        rs->md.persistent = 0;
        rs->md.external = 1;
@@ -995,28 +987,10 @@ static int super_validate(struct mddev *mddev, struct md_rdev *rdev)
 static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
 {
        int ret;
-        unsigned redundancy = 0;
        struct raid_dev *dev;
        struct md_rdev *rdev, *tmp, *freshest;
        struct mddev *mddev = &rs->md;
-        switch (rs->raid_type->level) {
-        case 1:
-                redundancy = rs->md.raid_disks - 1;
-                break;
-        case 4:
-        case 5:
-        case 6:
-                redundancy = rs->raid_type->parity_devs;
-                break;
-        case 10:
-                redundancy = raid10_md_layout_to_copies(mddev->layout) - 1;
-                break;
-        default:
-                ti->error = "Unknown RAID type";
-                return -EINVAL;
-        }
        freshest = NULL;
        rdev_for_each_safe(rdev, tmp, mddev) {
                /*
@@ -1045,44 +1019,43 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
                        break;
                default:
                        dev = container_of(rdev, struct raid_dev, rdev);
-                        if (redundancy--) {
+                        if (dev->meta_dev)
-                                if (dev->meta_dev)
+                                dm_put_device(ti, dev->meta_dev);
-                                        dm_put_device(ti, dev->meta_dev);
-                                dev->meta_dev = NULL;
-                                rdev->meta_bdev = NULL;
-                                if (rdev->sb_page)
+                        dev->meta_dev = NULL;
-                                        put_page(rdev->sb_page);
+                        rdev->meta_bdev = NULL;
-                                rdev->sb_page = NULL;
+                        if (rdev->sb_page)
+                                put_page(rdev->sb_page);
-                                rdev->sb_loaded = 0;
+                        rdev->sb_page = NULL;
-                                /*
+                        rdev->sb_loaded = 0;
-                                 * We might be able to salvage the data device
-                                 * even though the meta device has failed.  For
-                                 * now, we behave as though '- -' had been
-                                 * set for this device in the table.
-                                 */
-                                if (dev->data_dev)
-                                        dm_put_device(ti, dev->data_dev);
-                                dev->data_dev = NULL;
+                        /*
-                                rdev->bdev = NULL;
+                         * We might be able to salvage the data device
+                         * even though the meta device has failed.  For
+                         * now, we behave as though '- -' had been
+                         * set for this device in the table.
+                         */
+                        if (dev->data_dev)
+                                dm_put_device(ti, dev->data_dev);
-                                list_del(&rdev->same_set);
+                        dev->data_dev = NULL;
+                        rdev->bdev = NULL;
-                                continue;
+                        list_del(&rdev->same_set);
-                        }
-                        ti->error = "Failed to load superblock";
-                        return ret;
                }
        }
        if (!freshest)
                return 0;
+        if (validate_raid_redundancy(rs)) {
+                rs->ti->error = "Insufficient redundancy to activate array";
+                return -EINVAL;
+        }
        /*
         * Validation of the freshest device provides the source of
         * validation for the remaining devices.
@@ -1432,7 +1405,7 @@ static void raid_resume(struct dm_target *ti)
 static struct target_type raid_target = {
        .name = "raid",
-        .version = {1, 4, 0},
+        .version = {1, 4, 1},
        .module = THIS_MODULE,
        .ctr = raid_ctr,
        .dtr = raid_dtr,
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 1cf8293c0fb0..4a980e029ca7 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -23,8 +23,8 @@
 #include <linux/slab.h>
 #include <linux/videodev2.h>
 #include <linux/of.h>
+#include <linux/platform_data/imx-iram.h>
-#include <mach/iram.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 47ad4e270877..ff553babf455 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -237,6 +237,7 @@ config MFD_TPS65910
        depends on I2C=y && GPIOLIB
        select MFD_CORE
        select REGMAP_I2C
+        select REGMAP_IRQ
        select IRQ_DOMAIN
        help
          if you say yes here you get support for the TPS65910 series of
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index e1650badd106..4778bb124efe 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -19,6 +19,7 @@
 #include <linux/mfd/core.h>
 #include <linux/mfd/abx500.h>
 #include <linux/mfd/abx500/ab8500.h>
+#include <linux/mfd/abx500/ab8500-bm.h>
 #include <linux/mfd/dbx500-prcmu.h>
 #include <linux/regulator/ab8500.h>
 #include <linux/of.h>
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index bc8a3edb6bbf..222c03a5ddc0 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -239,7 +239,12 @@ static int arizona_runtime_resume(struct device *dev)
                return ret;
        }
-        regcache_sync(arizona->regmap);
+        ret = regcache_sync(arizona->regmap);
+        if (ret != 0) {
+                dev_err(arizona->dev, "Failed to restore register cache\n");
+                regulator_disable(arizona->dcvdd);
+                return ret;
+        }
        return 0;
 }
diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c
index 74713bf5371f..2bec5f0db3ee 100644
--- a/drivers/mfd/arizona-irq.c
+++ b/drivers/mfd/arizona-irq.c
@@ -176,14 +176,7 @@ int arizona_irq_init(struct arizona *arizona)
                aod = &wm5102_aod;
                irq = &wm5102_irq;
-                switch (arizona->rev) {
+                ctrlif_error = false;
-                case 0:
-                case 1:
-                        ctrlif_error = false;
-                        break;
-                default:
-                        break;
-                }
                break;
 #endif
 #ifdef CONFIG_MFD_WM5110
@@ -191,14 +184,7 @@ int arizona_irq_init(struct arizona *arizona)
                aod = &wm5110_aod;
                irq = &wm5110_irq;
-                switch (arizona->rev) {
+                ctrlif_error = false;
-                case 0:
-                case 1:
-                        ctrlif_error = false;
-                        break;
-                default:
-                        break;
-                }
                break;
 #endif
        default:
diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c
index ac74a4d1daea..885e56780358 100644
--- a/drivers/mfd/da9052-i2c.c
+++ b/drivers/mfd/da9052-i2c.c
@@ -27,6 +27,66 @@
 #include <linux/of_device.h>
 #endif
+/* I2C safe register check */
+static inline bool i2c_safe_reg(unsigned char reg)
+{
+        switch (reg) {
+        case DA9052_STATUS_A_REG:
+        case DA9052_STATUS_B_REG:
+        case DA9052_STATUS_C_REG:
+        case DA9052_STATUS_D_REG:
+        case DA9052_ADC_RES_L_REG:
+        case DA9052_ADC_RES_H_REG:
+        case DA9052_VDD_RES_REG:
+        case DA9052_ICHG_AV_REG:
+        case DA9052_TBAT_RES_REG:
+        case DA9052_ADCIN4_RES_REG:
+        case DA9052_ADCIN5_RES_REG:
+        case DA9052_ADCIN6_RES_REG:
+        case DA9052_TJUNC_RES_REG:
+        case DA9052_TSI_X_MSB_REG:
+        case DA9052_TSI_Y_MSB_REG:
+        case DA9052_TSI_LSB_REG:
+        case DA9052_TSI_Z_MSB_REG:
+                return true;
+        default:
+                return false;
+        }
+}
+/*
+ * There is an issue with DA9052 and DA9053_AA/BA/BB PMIC where the PMIC
+ * gets lockup up or fails to respond following a system reset.
+ * This fix is to follow any read or write with a dummy read to a safe
+ * register.
+ */
+int da9052_i2c_fix(struct da9052 *da9052, unsigned char reg)
+{
+        int val;
+        switch (da9052->chip_id) {
+        case DA9052:
+        case DA9053_AA:
+        case DA9053_BA:
+        case DA9053_BB:
+                /* A dummy read to a safe register address. */
+        if (!i2c_safe_reg(reg))
+                        return regmap_read(da9052->regmap,
+                                           DA9052_PARK_REGISTER,
+                                           &val);
+                break;
+        default:
+                /*
+                 * For other chips parking of I2C register
+                 * to a safe place is not required.
+                 */
+                break;
+        }
+        return 0;
+}
+EXPORT_SYMBOL(da9052_i2c_fix);
 static int da9052_i2c_enable_multiwrite(struct da9052 *da9052)
 {
        int reg_val, ret;
@@ -83,6 +143,7 @@ static int da9052_i2c_probe(struct i2c_client *client,
        da9052->dev = &client->dev;
        da9052->chip_irq = client->irq;
+        da9052->fix_io = da9052_i2c_fix;
        i2c_set_clientdata(client, da9052);
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index dc8826d8d69d..268f45d42394 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -2524,7 +2524,7 @@ static bool read_mailbox_0(void)
                for (n = 0; n < NUM_PRCMU_WAKEUPS; n++) {
                        if (ev & prcmu_irq_bit[n])
-                                generic_handle_irq(IRQ_PRCMU_BASE + n);
+                                generic_handle_irq(irq_find_mapping(db8500_irq_domain, n));
                }
                r = true;
                break;
@@ -2737,13 +2737,14 @@ static int db8500_irq_map(struct irq_domain *d, unsigned int virq,
 }
 static struct irq_domain_ops db8500_irq_ops = {
-        .map    = db8500_irq_map,
+        .map    = db8500_irq_map,
-        .xlate  = irq_domain_xlate_twocell,
+        .xlate  = irq_domain_xlate_twocell,
 };
 static int db8500_irq_init(struct device_node *np)
 {
-        int irq_base = -1;
+        int irq_base = 0;
+        int i;
        /* In the device tree case, just take some IRQs */
        if (!np)
@@ -2758,6 +2759,10 @@ static int db8500_irq_init(struct device_node *np)
                return -ENOSYS;
        }
+        /* All wakeups will be used, so create mappings for all */
+        for (i = 0; i < NUM_PRCMU_WAKEUPS; i++)
+                irq_create_mapping(db8500_irq_domain, i);
        return 0;
 }
diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
index f6878f8db57d..4d73963cd8f0 100644
--- a/drivers/mfd/max77686.c
+++ b/drivers/mfd/max77686.c
@@ -93,15 +93,6 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
        if (max77686 == NULL)
                return -ENOMEM;
-        max77686->regmap = regmap_init_i2c(i2c, &max77686_regmap_config);
-        if (IS_ERR(max77686->regmap)) {
-                ret = PTR_ERR(max77686->regmap);
-                dev_err(max77686->dev, "Failed to allocate register map: %d\n",
-                                ret);
-                kfree(max77686);
-                return ret;
-        }
        i2c_set_clientdata(i2c, max77686);
        max77686->dev = &i2c->dev;
        max77686->i2c = i2c;
@@ -111,6 +102,15 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
        max77686->irq_gpio = pdata->irq_gpio;
        max77686->irq = i2c->irq;
+        max77686->regmap = regmap_init_i2c(i2c, &max77686_regmap_config);
+        if (IS_ERR(max77686->regmap)) {
+                ret = PTR_ERR(max77686->regmap);
+                dev_err(max77686->dev, "Failed to allocate register map: %d\n",
+                                ret);
+                kfree(max77686);
+                return ret;
+        }
        if (regmap_read(max77686->regmap,
                         MAX77686_REG_DEVICE_ID, &data) < 0) {
                dev_err(max77686->dev,
diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
index cc5155e20494..9e60fed5ff82 100644
--- a/drivers/mfd/max77693.c
+++ b/drivers/mfd/max77693.c
@@ -114,35 +114,37 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
        u8 reg_data;
        int ret = 0;
+        if (!pdata) {
+                dev_err(&i2c->dev, "No platform data found.\n");
+                return -EINVAL;
+        }
        max77693 = devm_kzalloc(&i2c->dev,
                        sizeof(struct max77693_dev), GFP_KERNEL);
        if (max77693 == NULL)
                return -ENOMEM;
-        max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);
-        if (IS_ERR(max77693->regmap)) {
-                ret = PTR_ERR(max77693->regmap);
-                dev_err(max77693->dev,"failed to allocate register map: %d\n",
-                                ret);
-                goto err_regmap;
-        }
        i2c_set_clientdata(i2c, max77693);
        max77693->dev = &i2c->dev;
        max77693->i2c = i2c;
        max77693->irq = i2c->irq;
        max77693->type = id->driver_data;
-        if (!pdata)
+        max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);
-                goto err_regmap;
+        if (IS_ERR(max77693->regmap)) {
+                ret = PTR_ERR(max77693->regmap);
+                dev_err(max77693->dev, "failed to allocate register map: %d\n",
+                                ret);
+                return ret;
+        }
        max77693->wakeup = pdata->wakeup;
-        if (max77693_read_reg(max77693->regmap,
+        ret = max77693_read_reg(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
-                                MAX77693_PMIC_REG_PMIC_ID2, &reg_data) < 0) {
+                                &reg_data);
+        if (ret < 0) {
                dev_err(max77693->dev, "device not found on this channel\n");
-                ret = -ENODEV;
+                return ret;
-                goto err_regmap;
        } else
                dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);
@@ -163,7 +165,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
                ret = PTR_ERR(max77693->regmap_muic);
                dev_err(max77693->dev,
                        "failed to allocate register map: %d\n", ret);
-                goto err_regmap;
+                goto err_regmap_muic;
        }
        ret = max77693_irq_init(max77693);
@@ -184,9 +186,9 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
 err_mfd:
        max77693_irq_exit(max77693);
 err_irq:
+err_regmap_muic:
        i2c_unregister_device(max77693->muic);
        i2c_unregister_device(max77693->haptic);
-err_regmap:
        return ret;
 }
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 64803f13bcec..d11567307fbe 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -208,6 +208,8 @@ static int pcf50633_probe(struct i2c_client *client,
        if (!pcf)
                return -ENOMEM;
+        i2c_set_clientdata(client, pcf);
+        pcf->dev = &client->dev;
        pcf->pdata = pdata;
        mutex_init(&pcf->lock);
@@ -219,9 +221,6 @@ static int pcf50633_probe(struct i2c_client *client,
                return ret;
        }
-        i2c_set_clientdata(client, pcf);
-        pcf->dev = &client->dev;
        version = pcf50633_reg_read(pcf, 0);
        variant = pcf50633_reg_read(pcf, 1);
        if (version < 0 || variant < 0) {
diff --git a/drivers/mfd/rtl8411.c b/drivers/mfd/rtl8411.c
index 89f046ca9e41..3d3b4addf81a 100644
--- a/drivers/mfd/rtl8411.c
+++ b/drivers/mfd/rtl8411.c
@@ -112,6 +112,21 @@ static int rtl8411_card_power_off(struct rtsx_pcr *pcr, int card)
                        BPP_LDO_POWB, BPP_LDO_SUSPEND);
 }
+static int rtl8411_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+        u8 mask, val;
+        mask = (BPP_REG_TUNED18 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_MASK;
+        if (voltage == OUTPUT_3V3)
+                val = (BPP_ASIC_3V3 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_3V3;
+        else if (voltage == OUTPUT_1V8)
+                val = (BPP_ASIC_1V8 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_1V8;
+        else
+                return -EINVAL;
+        return rtsx_pci_write_register(pcr, LDO_CTL, mask, val);
+}
 static unsigned int rtl8411_cd_deglitch(struct rtsx_pcr *pcr)
 {
        unsigned int card_exist;
@@ -163,6 +178,18 @@ static unsigned int rtl8411_cd_deglitch(struct rtsx_pcr *pcr)
        return card_exist;
 }
+static int rtl8411_conv_clk_and_div_n(int input, int dir)
+{
+        int output;
+        if (dir == CLK_TO_DIV_N)
+                output = input * 4 / 5 - 2;
+        else
+                output = (input + 2) * 5 / 4;
+        return output;
+}
 static const struct pcr_ops rtl8411_pcr_ops = {
        .extra_init_hw = rtl8411_extra_init_hw,
        .optimize_phy = NULL,
@@ -172,7 +199,9 @@ static const struct pcr_ops rtl8411_pcr_ops = {
        .disable_auto_blink = rtl8411_disable_auto_blink,
        .card_power_on = rtl8411_card_power_on,
        .card_power_off = rtl8411_card_power_off,
+        .switch_output_voltage = rtl8411_switch_output_voltage,
        .cd_deglitch = rtl8411_cd_deglitch,
+        .conv_clk_and_div_n = rtl8411_conv_clk_and_div_n,
 };
 /* SD Pull Control Enable:
diff --git a/drivers/mfd/rts5209.c b/drivers/mfd/rts5209.c
index 283a4f148084..98fe0f39463e 100644
--- a/drivers/mfd/rts5209.c
+++ b/drivers/mfd/rts5209.c
@@ -144,6 +144,25 @@ static int rts5209_card_power_off(struct rtsx_pcr *pcr, int card)
        return rtsx_pci_send_cmd(pcr, 100);
 }
+static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+        int err;
+        if (voltage == OUTPUT_3V3) {
+                err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
+                if (err < 0)
+                        return err;
+        } else if (voltage == OUTPUT_1V8) {
+                err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24);
+                if (err < 0)
+                        return err;
+        } else {
+                return -EINVAL;
+        }
+        return 0;
+}
 static const struct pcr_ops rts5209_pcr_ops = {
        .extra_init_hw = rts5209_extra_init_hw,
        .optimize_phy = rts5209_optimize_phy,
@@ -153,7 +172,9 @@ static const struct pcr_ops rts5209_pcr_ops = {
        .disable_auto_blink = rts5209_disable_auto_blink,
        .card_power_on = rts5209_card_power_on,
        .card_power_off = rts5209_card_power_off,
+        .switch_output_voltage = rts5209_switch_output_voltage,
        .cd_deglitch = NULL,
+        .conv_clk_and_div_n = NULL,
 };
 /* SD Pull Control Enable:
diff --git a/drivers/mfd/rts5229.c b/drivers/mfd/rts5229.c
index b9dbab266fda..29d889cbb9c5 100644
--- a/drivers/mfd/rts5229.c
+++ b/drivers/mfd/rts5229.c
@@ -114,6 +114,25 @@ static int rts5229_card_power_off(struct rtsx_pcr *pcr, int card)
        return rtsx_pci_send_cmd(pcr, 100);
 }
+static int rts5229_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+        int err;
+        if (voltage == OUTPUT_3V3) {
+                err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
+                if (err < 0)
+                        return err;
+        } else if (voltage == OUTPUT_1V8) {
+                err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24);
+                if (err < 0)
+                        return err;
+        } else {
+                return -EINVAL;
+        }
+        return 0;
+}
 static const struct pcr_ops rts5229_pcr_ops = {
        .extra_init_hw = rts5229_extra_init_hw,
        .optimize_phy = rts5229_optimize_phy,
@@ -123,7 +142,9 @@ static const struct pcr_ops rts5229_pcr_ops = {
        .disable_auto_blink = rts5229_disable_auto_blink,
        .card_power_on = rts5229_card_power_on,
        .card_power_off = rts5229_card_power_off,
+        .switch_output_voltage = rts5229_switch_output_voltage,
        .cd_deglitch = NULL,
+        .conv_clk_and_div_n = NULL,
 };
 /* SD Pull Control Enable:
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 7a7b0bda4618..9fc57009e228 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -630,7 +630,10 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
        if (clk == pcr->cur_clock)
                return 0;
-        N = (u8)(clk - 2);
+        if (pcr->ops->conv_clk_and_div_n)
+                N = (u8)pcr->ops->conv_clk_and_div_n(clk, CLK_TO_DIV_N);
+        else
+                N = (u8)(clk - 2);
        if ((clk <= 2) || (N > max_N))
                return -EINVAL;
@@ -641,7 +644,14 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
        /* Make sure that the SSC clock div_n is equal or greater than min_N */
        div = CLK_DIV_1;
        while ((N < min_N) && (div < max_div)) {
-                N = (N + 2) * 2 - 2;
+                if (pcr->ops->conv_clk_and_div_n) {
+                        int dbl_clk = pcr->ops->conv_clk_and_div_n(N,
+                                        DIV_N_TO_CLK) * 2;
+                        N = (u8)pcr->ops->conv_clk_and_div_n(dbl_clk,
+                                        CLK_TO_DIV_N);
+                } else {
+                        N = (N + 2) * 2 - 2;
+                }
                div++;
        }
        dev_dbg(&(pcr->pci->dev), "N = %d, div = %d\n", N, div);
@@ -703,6 +713,15 @@ int rtsx_pci_card_power_off(struct rtsx_pcr *pcr, int card)
 }
 EXPORT_SYMBOL_GPL(rtsx_pci_card_power_off);
+int rtsx_pci_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage)
+{
+        if (pcr->ops->switch_output_voltage)
+                return pcr->ops->switch_output_voltage(pcr, voltage);
+        return 0;
+}
+EXPORT_SYMBOL_GPL(rtsx_pci_switch_output_voltage);
 unsigned int rtsx_pci_card_exist(struct rtsx_pcr *pcr)
 {
        unsigned int val;
@@ -767,10 +786,10 @@ static void rtsx_pci_card_detect(struct work_struct *work)
        spin_unlock_irqrestore(&pcr->lock, flags);
-        if (card_detect & SD_EXIST)
+        if ((card_detect & SD_EXIST) && pcr->slots[RTSX_SD_CARD].card_event)
                pcr->slots[RTSX_SD_CARD].card_event(
                                pcr->slots[RTSX_SD_CARD].p_dev);
-        if (card_detect & MS_EXIST)
+        if ((card_detect & MS_EXIST) && pcr->slots[RTSX_MS_CARD].card_event)
                pcr->slots[RTSX_MS_CARD].card_event(
                                pcr->slots[RTSX_MS_CARD].p_dev);
 }
diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c
index a06d66b929b1..ecc092c7f745 100644
--- a/drivers/mfd/tc3589x.c
+++ b/drivers/mfd/tc3589x.c
@@ -219,25 +219,18 @@ static void tc3589x_irq_unmap(struct irq_domain *d, unsigned int virq)
 }
 static struct irq_domain_ops tc3589x_irq_ops = {
-        .map    = tc3589x_irq_map,
+        .map    = tc3589x_irq_map,
        .unmap  = tc3589x_irq_unmap,
-        .xlate  = irq_domain_xlate_twocell,
+        .xlate  = irq_domain_xlate_twocell,
 };
 static int tc3589x_irq_init(struct tc3589x *tc3589x, struct device_node *np)
 {
        int base = tc3589x->irq_base;
-        if (base) {
+        tc3589x->domain = irq_domain_add_simple(
-                tc3589x->domain = irq_domain_add_legacy(
+                np, TC3589x_NR_INTERNAL_IRQS, base,
-                        NULL, TC3589x_NR_INTERNAL_IRQS, base,
+                &tc3589x_irq_ops, tc3589x);
-                        0, &tc3589x_irq_ops, tc3589x);
-        }
-        else {
-                tc3589x->domain = irq_domain_add_linear(
-                        np, TC3589x_NR_INTERNAL_IRQS,
-                        &tc3589x_irq_ops, tc3589x);
-        }
        if (!tc3589x->domain) {
                dev_err(tc3589x->dev, "Failed to create irqdomain\n");
diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index 4dae241e5017..dd362c1078e1 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -159,7 +159,7 @@ out:
 static int twl4030_write_script(u8 address, struct twl4030_ins *script,
                                       int len)
 {
-        int err;
+        int err = -EINVAL;
        for (; len; len--, address++, script++) {
                if (len == 1) {
diff --git a/drivers/mfd/vexpress-config.c b/drivers/mfd/vexpress-config.c
index fae15d880758..3c1723aa6225 100644
--- a/drivers/mfd/vexpress-config.c
+++ b/drivers/mfd/vexpress-config.c
@@ -67,6 +67,7 @@ struct vexpress_config_bridge *vexpress_config_bridge_register(
        return bridge;
 }
+EXPORT_SYMBOL(vexpress_config_bridge_register);
 void vexpress_config_bridge_unregister(struct vexpress_config_bridge *bridge)
 {
@@ -83,6 +84,7 @@ void vexpress_config_bridge_unregister(struct vexpress_config_bridge *bridge)
        while (!list_empty(&__bridge.transactions))
                cpu_relax();
 }
+EXPORT_SYMBOL(vexpress_config_bridge_unregister);
 struct vexpress_config_func {
@@ -142,6 +144,7 @@ struct vexpress_config_func *__vexpress_config_func_get(struct device *dev,
        return func;
 }
+EXPORT_SYMBOL(__vexpress_config_func_get);
 void vexpress_config_func_put(struct vexpress_config_func *func)
 {
@@ -149,7 +152,7 @@ void vexpress_config_func_put(struct vexpress_config_func *func)
        of_node_put(func->bridge->node);
        kfree(func);
 }
+EXPORT_SYMBOL(vexpress_config_func_put);
 struct vexpress_config_trans {
        struct vexpress_config_func *func;
@@ -229,6 +232,7 @@ void vexpress_config_complete(struct vexpress_config_bridge *bridge,
        complete(&trans->completion);
 }
+EXPORT_SYMBOL(vexpress_config_complete);
 int vexpress_config_wait(struct vexpress_config_trans *trans)
 {
@@ -236,7 +240,7 @@ int vexpress_config_wait(struct vexpress_config_trans *trans)
        return trans->status;
 }
+EXPORT_SYMBOL(vexpress_config_wait);
 int vexpress_config_read(struct vexpress_config_func *func, int offset,
                u32 *data)
diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c
index e5d8f63b252a..77048b18439e 100644
--- a/drivers/mfd/vexpress-sysreg.c
+++ b/drivers/mfd/vexpress-sysreg.c
@@ -313,19 +313,11 @@ static void vexpress_sysreg_config_complete(unsigned long data)
 }
-void __init vexpress_sysreg_early_init(void __iomem *base)
+void __init vexpress_sysreg_setup(struct device_node *node)
 {
-        struct device_node *node = of_find_compatible_node(NULL, NULL,
+        if (WARN_ON(!vexpress_sysreg_base))
-                        "arm,vexpress-sysreg");
-        if (node)
-                base = of_iomap(node, 0);
-        if (WARN_ON(!base))
                return;
-        vexpress_sysreg_base = base;
        if (readl(vexpress_sysreg_base + SYS_MISC) & SYS_MISC_MASTERSITE)
                vexpress_master_site = VEXPRESS_SITE_DB2;
        else
@@ -336,9 +328,23 @@ void __init vexpress_sysreg_early_init(void __iomem *base)
        WARN_ON(!vexpress_sysreg_config_bridge);
 }
+void __init vexpress_sysreg_early_init(void __iomem *base)
+{
+        vexpress_sysreg_base = base;
+        vexpress_sysreg_setup(NULL);
+}
 void __init vexpress_sysreg_of_early_init(void)
 {
-        vexpress_sysreg_early_init(NULL);
+        struct device_node *node = of_find_compatible_node(NULL, NULL,
+                        "arm,vexpress-sysreg");
+        if (node) {
+                vexpress_sysreg_base = of_iomap(node, 0);
+                vexpress_sysreg_setup(node);
+        } else {
+                pr_info("vexpress-sysreg: No Device Tree node found.");
+        }
 }
@@ -426,9 +432,11 @@ static int vexpress_sysreg_probe(struct platform_device *pdev)
                return -EBUSY;
        }
-        if (!vexpress_sysreg_base)
+        if (!vexpress_sysreg_base) {
                vexpress_sysreg_base = devm_ioremap(&pdev->dev, res->start,
                                resource_size(res));
+                vexpress_sysreg_setup(pdev->dev.of_node);
+        }
        if (!vexpress_sysreg_base) {
                dev_err(&pdev->dev, "Failed to obtain base address!\n");
diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index 088872ab6338..1133a64c2dc9 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -1882,7 +1882,7 @@ static bool wm5102_volatile_register(struct device *dev, unsigned int reg)
        }
 }
-#define WM5102_MAX_REGISTER 0x1a8fff
+#define WM5102_MAX_REGISTER 0x1a9800
 const struct regmap_config wm5102_spi_regmap = {
        .reg_bits = 32,
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index de4c20b3936c..f8dd36102949 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -50,8 +50,6 @@ struct mvsd_host {
        struct timer_list timer;
        struct mmc_host *mmc;
        struct device *dev;
-        struct resource *res;
-        int irq;
        struct clk *clk;
        int gpio_card_detect;
        int gpio_write_protect;
@@ -718,10 +716,6 @@ static int __init mvsd_probe(struct platform_device *pdev)
        if (!r || irq < 0 || !mvsd_data)
                return -ENXIO;
-        r = request_mem_region(r->start, SZ_1K, DRIVER_NAME);
-        if (!r)
-                return -EBUSY;
        mmc = mmc_alloc_host(sizeof(struct mvsd_host), &pdev->dev);
        if (!mmc) {
                ret = -ENOMEM;
@@ -731,8 +725,8 @@ static int __init mvsd_probe(struct platform_device *pdev)
        host = mmc_priv(mmc);
        host->mmc = mmc;
        host->dev = &pdev->dev;
-        host->res = r;
        host->base_clock = mvsd_data->clock / 2;
+        host->clk = ERR_PTR(-EINVAL);
        mmc->ops = &mvsd_ops;
@@ -752,7 +746,7 @@ static int __init mvsd_probe(struct platform_device *pdev)
        spin_lock_init(&host->lock);
-        host->base = ioremap(r->start, SZ_4K);
+        host->base = devm_request_and_ioremap(&pdev->dev, r);
        if (!host->base) {
                ret = -ENOMEM;
                goto out;
@@ -765,44 +759,45 @@ static int __init mvsd_probe(struct platform_device *pdev)
        mvsd_power_down(host);
-        ret = request_irq(irq, mvsd_irq, 0, DRIVER_NAME, host);
+        ret = devm_request_irq(&pdev->dev, irq, mvsd_irq, 0, DRIVER_NAME, host);
        if (ret) {
                pr_err("%s: cannot assign irq %d\n", DRIVER_NAME, irq);
                goto out;
-        } else
+        }
-                host->irq = irq;
        /* Not all platforms can gate the clock, so it is not
           an error if the clock does not exists. */
-        host->clk = clk_get(&pdev->dev, NULL);
+        host->clk = devm_clk_get(&pdev->dev, NULL);
-        if (!IS_ERR(host->clk)) {
+        if (!IS_ERR(host->clk))
                clk_prepare_enable(host->clk);
-        }
        if (mvsd_data->gpio_card_detect) {
-                ret = gpio_request(mvsd_data->gpio_card_detect,
+                ret = devm_gpio_request_one(&pdev->dev,
-                                   DRIVER_NAME " cd");
+                                            mvsd_data->gpio_card_detect,
+                                            GPIOF_IN, DRIVER_NAME " cd");
                if (ret == 0) {
-                        gpio_direction_input(mvsd_data->gpio_card_detect);
                        irq = gpio_to_irq(mvsd_data->gpio_card_detect);
-                        ret = request_irq(irq, mvsd_card_detect_irq,
+                        ret = devm_request_irq(&pdev->dev, irq,
-                                          IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING,
+                                               mvsd_card_detect_irq,
-                                          DRIVER_NAME " cd", host);
+                                               IRQ_TYPE_EDGE_RISING |
+                                               IRQ_TYPE_EDGE_FALLING,
+                                               DRIVER_NAME " cd", host);
                        if (ret == 0)
                                host->gpio_card_detect =
                                        mvsd_data->gpio_card_detect;
                        else
-                                gpio_free(mvsd_data->gpio_card_detect);
+                                devm_gpio_free(&pdev->dev,
+                                               mvsd_data->gpio_card_detect);
                }
        }
        if (!host->gpio_card_detect)
                mmc->caps |= MMC_CAP_NEEDS_POLL;
        if (mvsd_data->gpio_write_protect) {
-                ret = gpio_request(mvsd_data->gpio_write_protect,
+                ret = devm_gpio_request_one(&pdev->dev,
-                                   DRIVER_NAME " wp");
+                                            mvsd_data->gpio_write_protect,
+                                            GPIOF_IN, DRIVER_NAME " wp");
                if (ret == 0) {
-                        gpio_direction_input(mvsd_data->gpio_write_protect);
                        host->gpio_write_protect =
                                mvsd_data->gpio_write_protect;
                }
@@ -824,26 +819,11 @@ static int __init mvsd_probe(struct platform_device *pdev)
        return 0;
 out:
-        if (host) {
+        if (mmc) {
-                if (host->irq)
+                if (!IS_ERR(host->clk))
-                        free_irq(host->irq, host);
-                if (host->gpio_card_detect) {
-                        free_irq(gpio_to_irq(host->gpio_card_detect), host);
-                        gpio_free(host->gpio_card_detect);
-                }
-                if (host->gpio_write_protect)
-                        gpio_free(host->gpio_write_protect);
-                if (host->base)
-                        iounmap(host->base);
-        }
-        if (r)
-                release_resource(r);
-        if (mmc)
-                if (!IS_ERR_OR_NULL(host->clk)) {
                        clk_disable_unprepare(host->clk);
-                        clk_put(host->clk);
-                }
                mmc_free_host(mmc);
+        }
        return ret;
 }
@@ -852,28 +832,16 @@ static int __exit mvsd_remove(struct platform_device *pdev)
 {
        struct mmc_host *mmc = platform_get_drvdata(pdev);
-        if (mmc) {
+        struct mvsd_host *host = mmc_priv(mmc);
-                struct mvsd_host *host = mmc_priv(mmc);
-                if (host->gpio_card_detect) {
+        mmc_remove_host(mmc);
-                        free_irq(gpio_to_irq(host->gpio_card_detect), host);
+        del_timer_sync(&host->timer);
-                        gpio_free(host->gpio_card_detect);
+        mvsd_power_down(host);
-                }
-                mmc_remove_host(mmc);
+        if (!IS_ERR(host->clk))
-                free_irq(host->irq, host);
+                clk_disable_unprepare(host->clk);
-                if (host->gpio_write_protect)
+        mmc_free_host(mmc);
-                        gpio_free(host->gpio_write_protect);
-                del_timer_sync(&host->timer);
-                mvsd_power_down(host);
-                iounmap(host->base);
-                release_resource(host->res);
-                if (!IS_ERR(host->clk)) {
-                        clk_disable_unprepare(host->clk);
-                        clk_put(host->clk);
-                }
-                mmc_free_host(mmc);
-        }
        platform_set_drvdata(pdev, NULL);
        return 0;
 }
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index 571915dfb218..f74b5adca642 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -1060,26 +1060,6 @@ static int sd_wait_voltage_stable_2(struct realtek_pci_sdmmc *host)
        return 0;
 }
-static int sd_change_bank_voltage(struct realtek_pci_sdmmc *host, u8 voltage)
-{
-        struct rtsx_pcr *pcr = host->pcr;
-        int err;
-        if (voltage == SD_IO_3V3) {
-                err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24);
-                if (err < 0)
-                        return err;
-        } else if (voltage == SD_IO_1V8) {
-                err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24);
-                if (err < 0)
-                        return err;
-        } else {
-                return -EINVAL;
-        }
-        return 0;
-}
 static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
 {
        struct realtek_pci_sdmmc *host = mmc_priv(mmc);
@@ -1098,11 +1078,11 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
        rtsx_pci_start_run(pcr);
        if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330)
-                voltage = SD_IO_3V3;
+                voltage = OUTPUT_3V3;
        else
-                voltage = SD_IO_1V8;
+                voltage = OUTPUT_1V8;
-        if (voltage == SD_IO_1V8) {
+        if (voltage == OUTPUT_1V8) {
                err = rtsx_pci_write_register(pcr,
                                SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B);
                if (err < 0)
@@ -1113,11 +1093,11 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
                        goto out;
        }
-        err = sd_change_bank_voltage(host, voltage);
+        err = rtsx_pci_switch_output_voltage(pcr, voltage);
        if (err < 0)
                goto out;
-        if (voltage == SD_IO_1V8) {
+        if (voltage == OUTPUT_1V8) {
                err = sd_wait_voltage_stable_2(host);
                if (err < 0)
                        goto out;
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 5233b8f58d77..58607f196c9e 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -960,7 +960,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
                break;
        case LEC_ACK_ERROR:
                netdev_dbg(dev, "ack error\n");
-                cf->data[2] |= (CAN_ERR_PROT_LOC_ACK |
+                cf->data[3] |= (CAN_ERR_PROT_LOC_ACK |
                                CAN_ERR_PROT_LOC_ACK_DEL);
                break;
        case LEC_BIT1_ERROR:
@@ -973,7 +973,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
                break;
        case LEC_CRC_ERROR:
                netdev_dbg(dev, "CRC error\n");
-                cf->data[2] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
+                cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
                                CAN_ERR_PROT_LOC_CRC_DEL);
                break;
        default:
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index 7d1748575b1f..5c314a961970 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -560,7 +560,7 @@ static void pch_can_error(struct net_device *ndev, u32 status)
                stats->rx_errors++;
                break;
        case PCH_CRC_ERR:
-                cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ |
+                cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
                               CAN_ERR_PROT_LOC_CRC_DEL;
                priv->can.can_stats.bus_error++;
                stats->rx_errors++;
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index f898c6363729..300581b24ff3 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -746,12 +746,12 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
                }
                if (err_status & HECC_CANES_CRCE) {
                        hecc_set_bit(priv, HECC_CANES, HECC_CANES_CRCE);
-                        cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ |
+                        cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
                                        CAN_ERR_PROT_LOC_CRC_DEL;
                }
                if (err_status & HECC_CANES_ACKE) {
                        hecc_set_bit(priv, HECC_CANES, HECC_CANES_ACKE);
-                        cf->data[2] |= CAN_ERR_PROT_LOC_ACK |
+                        cf->data[3] |= CAN_ERR_PROT_LOC_ACK |
                                        CAN_ERR_PROT_LOC_ACK_DEL;
                }
        }
diff --git a/drivers/net/ethernet/3com/3c574_cs.c b/drivers/net/ethernet/3com/3c574_cs.c
index 66df93638085..ffd8de28a76a 100644
--- a/drivers/net/ethernet/3com/3c574_cs.c
+++ b/drivers/net/ethernet/3com/3c574_cs.c
@@ -432,7 +432,7 @@ static int tc574_config(struct pcmcia_device *link)
        netdev_info(dev, "%s at io %#3lx, irq %d, hw_addr %pM\n",
                    cardname, dev->base_addr, dev->irq, dev->dev_addr);
        netdev_info(dev, " %dK FIFO split %s Rx:Tx, %sMII interface.\n",
-                    8 << config & Ram_size,
+                    8 << (config & Ram_size),
                    ram_split[(config & Ram_split) >> Ram_split_shift],
                    config & Autoselect ? "autoselect " : "");
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 78ea90c40e19..bdb086934cd9 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -1283,14 +1283,26 @@ static int tg3_phy_auxctl_write(struct tg3 *tp, int reg, u32 set)
        return tg3_writephy(tp, MII_TG3_AUX_CTRL, set | reg);
 }
-#define TG3_PHY_AUXCTL_SMDSP_ENABLE(tp) \
+static int tg3_phy_toggle_auxctl_smdsp(struct tg3 *tp, bool enable)
-        tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL, \
+{
-                             MII_TG3_AUXCTL_ACTL_SMDSP_ENA | \
+        u32 val;
-                             MII_TG3_AUXCTL_ACTL_TX_6DB)
+        int err;
-#define TG3_PHY_AUXCTL_SMDSP_DISABLE(tp) \
+        err = tg3_phy_auxctl_read(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, &val);
-        tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL, \
-                             MII_TG3_AUXCTL_ACTL_TX_6DB);
+        if (err)
+                return err;
+        if (enable)
+                val |= MII_TG3_AUXCTL_ACTL_SMDSP_ENA;
+        else
+                val &= ~MII_TG3_AUXCTL_ACTL_SMDSP_ENA;
+        err = tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL,
+                                   val | MII_TG3_AUXCTL_ACTL_TX_6DB);
+        return err;
+}
 static int tg3_bmcr_reset(struct tg3 *tp)
 {
@@ -2223,7 +2235,7 @@ static void tg3_phy_apply_otp(struct tg3 *tp)
        otp = tp->phy_otp;
-        if (TG3_PHY_AUXCTL_SMDSP_ENABLE(tp))
+        if (tg3_phy_toggle_auxctl_smdsp(tp, true))
                return;
        phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
@@ -2248,7 +2260,7 @@ static void tg3_phy_apply_otp(struct tg3 *tp)
              ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
        tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
-        TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+        tg3_phy_toggle_auxctl_smdsp(tp, false);
 }
 static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up)
@@ -2284,9 +2296,9 @@ static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up)
        if (!tp->setlpicnt) {
                if (current_link_up == 1 &&
-                   !TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+                   !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
                        tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, 0x0000);
-                        TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+                        tg3_phy_toggle_auxctl_smdsp(tp, false);
                }
                val = tr32(TG3_CPMU_EEE_MODE);
@@ -2302,11 +2314,11 @@ static void tg3_phy_eee_enable(struct tg3 *tp)
            (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
             tg3_flag(tp, 57765_CLASS)) &&
-            !TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+            !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
                val = MII_TG3_DSP_TAP26_ALNOKO |
                      MII_TG3_DSP_TAP26_RMRXSTO;
                tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, val);
-                TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+                tg3_phy_toggle_auxctl_smdsp(tp, false);
        }
        val = tr32(TG3_CPMU_EEE_MODE);
@@ -2450,7 +2462,7 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
                tg3_writephy(tp, MII_CTRL1000,
                             CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER);
-                err = TG3_PHY_AUXCTL_SMDSP_ENABLE(tp);
+                err = tg3_phy_toggle_auxctl_smdsp(tp, true);
                if (err)
                        return err;
@@ -2471,7 +2483,7 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
        tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
        tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0000);
-        TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+        tg3_phy_toggle_auxctl_smdsp(tp, false);
        tg3_writephy(tp, MII_CTRL1000, phy9_orig);
@@ -2572,10 +2584,10 @@ static int tg3_phy_reset(struct tg3 *tp)
 out:
        if ((tp->phy_flags & TG3_PHYFLG_ADC_BUG) &&
-            !TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+            !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
                tg3_phydsp_write(tp, 0x201f, 0x2aaa);
                tg3_phydsp_write(tp, 0x000a, 0x0323);
-                TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+                tg3_phy_toggle_auxctl_smdsp(tp, false);
        }
        if (tp->phy_flags & TG3_PHYFLG_5704_A0_BUG) {
@@ -2584,14 +2596,14 @@ out:
        }
        if (tp->phy_flags & TG3_PHYFLG_BER_BUG) {
-                if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+                if (!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
                        tg3_phydsp_write(tp, 0x000a, 0x310b);
                        tg3_phydsp_write(tp, 0x201f, 0x9506);
                        tg3_phydsp_write(tp, 0x401f, 0x14e2);
-                        TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+                        tg3_phy_toggle_auxctl_smdsp(tp, false);
                }
        } else if (tp->phy_flags & TG3_PHYFLG_JITTER_BUG) {
-                if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+                if (!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
                        tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
                        if (tp->phy_flags & TG3_PHYFLG_ADJUST_TRIM) {
                                tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
@@ -2600,7 +2612,7 @@ out:
                        } else
                                tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
-                        TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+                        tg3_phy_toggle_auxctl_smdsp(tp, false);
                }
        }
@@ -4009,7 +4021,7 @@ static int tg3_phy_autoneg_cfg(struct tg3 *tp, u32 advertise, u32 flowctrl)
        tw32(TG3_CPMU_EEE_MODE,
             tr32(TG3_CPMU_EEE_MODE) & ~TG3_CPMU_EEEMD_LPI_ENABLE);
-        err = TG3_PHY_AUXCTL_SMDSP_ENABLE(tp);
+        err = tg3_phy_toggle_auxctl_smdsp(tp, true);
        if (!err) {
                u32 err2;
@@ -4042,7 +4054,7 @@ static int tg3_phy_autoneg_cfg(struct tg3 *tp, u32 advertise, u32 flowctrl)
                                                 MII_TG3_DSP_CH34TP2_HIBW01);
                }
-                err2 = TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+                err2 = tg3_phy_toggle_auxctl_smdsp(tp, false);
                if (!err)
                        err = err2;
        }
@@ -6950,6 +6962,9 @@ static void tg3_poll_controller(struct net_device *dev)
        int i;
        struct tg3 *tp = netdev_priv(dev);
+        if (tg3_irq_sync(tp))
+                return;
        for (i = 0; i < tp->irq_cnt; i++)
                tg3_interrupt(tp->napi[i].irq_vec, &tp->napi[i]);
 }
@@ -16367,6 +16382,7 @@ static int tg3_init_one(struct pci_dev *pdev,
        tp->pm_cap = pm_cap;
        tp->rx_mode = TG3_DEF_RX_MODE;
        tp->tx_mode = TG3_DEF_TX_MODE;
+        tp->irq_sync = 1;
        if (tg3_debug > 0)
                tp->msg_enable = tg3_debug;
diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
index b407043ce9b0..f7f02900f650 100644
--- a/drivers/net/ethernet/calxeda/xgmac.c
+++ b/drivers/net/ethernet/calxeda/xgmac.c
@@ -548,6 +548,10 @@ static int desc_get_rx_status(struct xgmac_priv *priv, struct xgmac_dma_desc *p)
                return -1;
        }
+        /* All frames should fit into a single buffer */
+        if (!(status & RXDESC_FIRST_SEG) || !(status & RXDESC_LAST_SEG))
+                return -1;
        /* Check if packet has checksum already */
        if ((status & RXDESC_FRAME_TYPE) && (status & RXDESC_EXT_STATUS) &&
                !(ext_status & RXDESC_IP_PAYLOAD_MASK))
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index f0718e1a8369..c306df7d4568 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -1994,9 +1994,20 @@ static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
 {
        const struct port_info *pi = netdev_priv(dev);
        struct adapter *adap = pi->adapter;
+        struct sge_rspq *q;
-        return set_rxq_intr_params(adap, &adap->sge.ethrxq[pi->first_qset].rspq,
+        int i;
-                        c->rx_coalesce_usecs, c->rx_max_coalesced_frames);
+        int r = 0;
+        for (i = pi->first_qset; i < pi->first_qset + pi->nqsets; i++) {
+                q = &adap->sge.ethrxq[i].rspq;
+                r = set_rxq_intr_params(adap, q, c->rx_coalesce_usecs,
+                        c->rx_max_coalesced_frames);
+                if (r) {
+                        dev_err(&dev->dev, "failed to set coalesce %d\n", r);
+                        break;
+                }
+        }
+        return r;
 }
 static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
diff --git a/drivers/net/ethernet/intel/ixgbe/Makefile b/drivers/net/ethernet/intel/ixgbe/Makefile
index f3a632bf8d96..687c83d1bdab 100644
--- a/drivers/net/ethernet/intel/ixgbe/Makefile
+++ b/drivers/net/ethernet/intel/ixgbe/Makefile
@@ -32,7 +32,7 @@
 obj-$(CONFIG_IXGBE) += ixgbe.o
-ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o ixgbe_debugfs.o\
+ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o \
              ixgbe_82599.o ixgbe_82598.o ixgbe_phy.o ixgbe_sriov.o \
              ixgbe_mbx.o ixgbe_x540.o ixgbe_lib.o ixgbe_ptp.o
@@ -40,4 +40,5 @@ ixgbe-$(CONFIG_IXGBE_DCB) +=  ixgbe_dcb.o ixgbe_dcb_82598.o \
                              ixgbe_dcb_82599.o ixgbe_dcb_nl.o
 ixgbe-$(CONFIG_IXGBE_HWMON) += ixgbe_sysfs.o
+ixgbe-$(CONFIG_DEBUG_FS) += ixgbe_debugfs.o
 ixgbe-$(CONFIG_FCOE:m=y) += ixgbe_fcoe.o
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c
index 50aa546b8c7a..3504686d3af5 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c
@@ -24,9 +24,6 @@
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *******************************************************************************/
-#ifdef CONFIG_DEBUG_FS
 #include <linux/debugfs.h>
 #include <linux/module.h>
@@ -277,5 +274,3 @@ void ixgbe_dbg_exit(void)
 {
        debugfs_remove_recursive(ixgbe_dbg_root);
 }
-#endif /* CONFIG_DEBUG_FS */
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index 1a751c9d09c4..bb9256a1b0a9 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -660,11 +660,11 @@ int ixgbe_ptp_hwtstamp_ioctl(struct ixgbe_adapter *adapter,
                break;
        case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
                tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_L4_V1;
-                tsync_rx_mtrl = IXGBE_RXMTRL_V1_SYNC_MSG;
+                tsync_rx_mtrl |= IXGBE_RXMTRL_V1_SYNC_MSG;
                break;
        case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
                tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_L4_V1;
-                tsync_rx_mtrl = IXGBE_RXMTRL_V1_DELAY_REQ_MSG;
+                tsync_rx_mtrl |= IXGBE_RXMTRL_V1_DELAY_REQ_MSG;
                break;
        case HWTSTAMP_FILTER_PTP_V2_EVENT:
        case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 2b799f4f1c37..6771b69f40d5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -630,10 +630,15 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
                ring->tx_csum++;
        }
-        /* Copy dst mac address to wqe */
+        if (mlx4_is_mfunc(mdev->dev) || priv->validate_loopback) {
-        ethh = (struct ethhdr *)skb->data;
+                /* Copy dst mac address to wqe. This allows loopback in eSwitch,
-        tx_desc->ctrl.srcrb_flags16[0] = get_unaligned((__be16 *)ethh->h_dest);
+                 * so that VFs and PF can communicate with each other
-        tx_desc->ctrl.imm = get_unaligned((__be32 *)(ethh->h_dest + 2));
+                 */
+                ethh = (struct ethhdr *)skb->data;
+                tx_desc->ctrl.srcrb_flags16[0] = get_unaligned((__be16 *)ethh->h_dest);
+                tx_desc->ctrl.imm = get_unaligned((__be32 *)(ethh->h_dest + 2));
+        }
        /* Handle LSO (TSO) packets */
        if (lso_header_size) {
                /* Mark opcode as LSO */
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index e1bafffbc3b1..a6542d75374c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -1790,15 +1790,8 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev)
        int i;
        if (msi_x) {
-                /* In multifunction mode each function gets 2 msi-X vectors
+                nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs,
-                 * one for data path completions anf the other for asynch events
+                             nreq);
-                 * or command completions */
-                if (mlx4_is_mfunc(dev)) {
-                        nreq = 2;
-                } else {
-                        nreq = min_t(int, dev->caps.num_eqs -
-                                     dev->caps.reserved_eqs, nreq);
-                }
                entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
                if (!entries)
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
index bc165f4d0f65..695667d471a1 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
@@ -144,7 +144,7 @@ void netxen_release_tx_buffers(struct netxen_adapter *adapter)
                                         buffrag->length, PCI_DMA_TODEVICE);
                        buffrag->dma = 0ULL;
                }
-                for (j = 0; j < cmd_buf->frag_count; j++) {
+                for (j = 1; j < cmd_buf->frag_count; j++) {
                        buffrag++;
                        if (buffrag->dma) {
                                pci_unmap_page(adapter->pdev, buffrag->dma,
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
index 6098fd4adfeb..69e321a65077 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
@@ -1963,10 +1963,12 @@ unwind:
        while (--i >= 0) {
                nf = &pbuf->frag_array[i+1];
                pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
+                nf->dma = 0ULL;
        }
        nf = &pbuf->frag_array[0];
        pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
+        nf->dma = 0ULL;
 out_err:
        return -ENOMEM;
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index ed96f309bca8..11702324a071 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1826,8 +1826,6 @@ static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
        if (opts2 & RxVlanTag)
                __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
-        desc->opts2 = 0;
 }
 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
@@ -6064,8 +6062,6 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
                            !(status & (RxRWT | RxFOVF)) &&
                            (dev->features & NETIF_F_RXALL))
                                goto process_pkt;
-                        rtl8169_mark_to_asic(desc, rx_buf_sz);
                } else {
                        struct sk_buff *skb;
                        dma_addr_t addr;
@@ -6086,16 +6082,14 @@ process_pkt:
                        if (unlikely(rtl8169_fragmented_frame(status))) {
                                dev->stats.rx_dropped++;
                                dev->stats.rx_length_errors++;
-                                rtl8169_mark_to_asic(desc, rx_buf_sz);
+                                goto release_descriptor;
-                                continue;
                        }
                        skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
                                                  tp, pkt_size, addr);
-                        rtl8169_mark_to_asic(desc, rx_buf_sz);
                        if (!skb) {
                                dev->stats.rx_dropped++;
-                                continue;
+                                goto release_descriptor;
                        }
                        rtl8169_rx_csum(skb, status);
@@ -6111,13 +6105,10 @@ process_pkt:
                        tp->rx_stats.bytes += pkt_size;
                        u64_stats_update_end(&tp->rx_stats.syncp);
                }
+release_descriptor:
-                /* Work around for AMD plateform. */
+                desc->opts2 = 0;
-                if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
+                wmb();
-                    (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
+                rtl8169_mark_to_asic(desc, rx_buf_sz);
-                        desc->opts2 = 0;
-                        cur_rx++;
-                }
        }
        count = cur_rx - tp->cur_rx;
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 5fd6f4674326..e6fe0d80d612 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -84,7 +84,7 @@ struct hv_netvsc_packet {
 };
 struct netvsc_device_info {
-        unsigned char mac_adr[6];
+        unsigned char mac_adr[ETH_ALEN];
        bool link_state;        /* 0 - link up, 1 - link down */
        int  ring_size;
 };
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index f825a629a699..8264f0ef7692 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -349,7 +349,7 @@ static int netvsc_set_mac_addr(struct net_device *ndev, void *p)
        struct net_device_context *ndevctx = netdev_priv(ndev);
        struct hv_device *hdev =  ndevctx->device_ctx;
        struct sockaddr *addr = p;
-        char save_adr[14];
+        char save_adr[ETH_ALEN];
        unsigned char save_aatype;
        int err;
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 81f8f9e31db5..fcbf680c3e62 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -77,6 +77,11 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb,
        skb_orphan(skb);
+        /* Before queueing this packet to netif_rx(),
+         * make sure dst is refcounted.
+         */
+        skb_dst_force(skb);
        skb->protocol = eth_type_trans(skb, dev);
        /* it's OK to use per_cpu_ptr() because BHs are off */
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 68a43fe602e7..d3fb97d97cbc 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -822,7 +822,10 @@ static int macvlan_changelink(struct net_device *dev,
 static size_t macvlan_get_size(const struct net_device *dev)
 {
-        return nla_total_size(4);
+        return (0
+                + nla_total_size(4) /* IFLA_MACVLAN_MODE */
+                + nla_total_size(2) /* IFLA_MACVLAN_FLAGS */
+                );
 }
 static int macvlan_fill_info(struct sk_buff *skb,
diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c
index d5199cb4caec..b5ddd5077a80 100644
--- a/drivers/net/phy/icplus.c
+++ b/drivers/net/phy/icplus.c
@@ -36,8 +36,9 @@ MODULE_LICENSE("GPL");
 /* IP101A/G - IP1001 */
 #define IP10XX_SPEC_CTRL_STATUS         16      /* Spec. Control Register */
+#define IP1001_RXPHASE_SEL              (1<<0)  /* Add delay on RX_CLK */
+#define IP1001_TXPHASE_SEL              (1<<1)  /* Add delay on TX_CLK */
 #define IP1001_SPEC_CTRL_STATUS_2       20      /* IP1001 Spec. Control Reg 2 */
-#define IP1001_PHASE_SEL_MASK           3       /* IP1001 RX/TXPHASE_SEL */
 #define IP1001_APS_ON                   11      /* IP1001 APS Mode  bit */
 #define IP101A_G_APS_ON                 2       /* IP101A/G APS Mode bit */
 #define IP101A_G_IRQ_CONF_STATUS        0x11    /* Conf Info IRQ & Status Reg */
@@ -138,19 +139,24 @@ static int ip1001_config_init(struct phy_device *phydev)
        if (c < 0)
                return c;
-        /* INTR pin used: speed/link/duplex will cause an interrupt */
+        if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
-        c = phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, IP101A_G_IRQ_DEFAULT);
+            (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
-        if (c < 0)
+            (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
-                return c;
+            (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
-        if (phydev->interface == PHY_INTERFACE_MODE_RGMII) {
-                /* Additional delay (2ns) used to adjust RX clock phase
-                 * at RGMII interface */
                c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
                if (c < 0)
                        return c;
-                c |= IP1001_PHASE_SEL_MASK;
+                c &= ~(IP1001_RXPHASE_SEL | IP1001_TXPHASE_SEL);
+                if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
+                        c |= (IP1001_RXPHASE_SEL | IP1001_TXPHASE_SEL);
+                else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
+                        c |= IP1001_RXPHASE_SEL;
+                else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
+                        c |= IP1001_TXPHASE_SEL;
                c = phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
                if (c < 0)
                        return c;
@@ -167,6 +173,11 @@ static int ip101a_g_config_init(struct phy_device *phydev)
        if (c < 0)
                return c;
+        /* INTR pin used: speed/link/duplex will cause an interrupt */
+        c = phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, IP101A_G_IRQ_DEFAULT);
+        if (c < 0)
+                return c;
        /* Enable Auto Power Saving mode */
        c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
        c |= IP101A_G_APS_ON;
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 5d2a3f215887..22dec9c7ef05 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -353,15 +353,6 @@ static int m88e1111_config_init(struct phy_device *phydev)
        int err;
        int temp;
-        /* Enable Fiber/Copper auto selection */
-        temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
-        temp &= ~MII_M1111_HWCFG_FIBER_COPPER_AUTO;
-        phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);
-        temp = phy_read(phydev, MII_BMCR);
-        temp |= BMCR_RESET;
-        phy_write(phydev, MII_BMCR, temp);
        if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
            (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
            (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index af372d0957fe..cc09b67c23bc 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -109,11 +109,11 @@ struct tap_filter {
        unsigned char   addr[FLT_EXACT_COUNT][ETH_ALEN];
 };
-/* 1024 is probably a high enough limit: modern hypervisors seem to support on
+/* DEFAULT_MAX_NUM_RSS_QUEUES were choosed to let the rx/tx queues allocated for
- * the order of 100-200 CPUs so this leaves us some breathing space if we want
+ * the netdevice to be fit in one page. So we can make sure the success of
- * to match a queue per guest CPU.
+ * memory allocation. TODO: increase the limit. */
- */
+#define MAX_TAP_QUEUES DEFAULT_MAX_NUM_RSS_QUEUES
-#define MAX_TAP_QUEUES 1024
+#define MAX_TAP_FLOWS  4096
 #define TUN_FLOW_EXPIRE (3 * HZ)
@@ -185,6 +185,8 @@ struct tun_struct {
        unsigned long ageing_time;
        unsigned int numdisabled;
        struct list_head disabled;
+        void *security;
+        u32 flow_count;
 };
 static inline u32 tun_hashfn(u32 rxhash)
@@ -218,6 +220,7 @@ static struct tun_flow_entry *tun_flow_create(struct tun_struct *tun,
                e->queue_index = queue_index;
                e->tun = tun;
                hlist_add_head_rcu(&e->hash_link, head);
+                ++tun->flow_count;
        }
        return e;
 }
@@ -228,6 +231,7 @@ static void tun_flow_delete(struct tun_struct *tun, struct tun_flow_entry *e)
                  e->rxhash, e->queue_index);
        hlist_del_rcu(&e->hash_link);
        kfree_rcu(e, rcu);
+        --tun->flow_count;
 }
 static void tun_flow_flush(struct tun_struct *tun)
@@ -317,7 +321,8 @@ static void tun_flow_update(struct tun_struct *tun, u32 rxhash,
                e->updated = jiffies;
        } else {
                spin_lock_bh(&tun->lock);
-                if (!tun_flow_find(head, rxhash))
+                if (!tun_flow_find(head, rxhash) &&
+                    tun->flow_count < MAX_TAP_FLOWS)
                        tun_flow_create(tun, head, rxhash, queue_index);
                if (!timer_pending(&tun->flow_gc_timer))
@@ -490,6 +495,10 @@ static int tun_attach(struct tun_struct *tun, struct file *file)
        struct tun_file *tfile = file->private_data;
        int err;
+        err = security_tun_dev_attach(tfile->socket.sk, tun->security);
+        if (err < 0)
+                goto out;
        err = -EINVAL;
        if (rtnl_dereference(tfile->tun))
                goto out;
@@ -1373,6 +1382,7 @@ static void tun_free_netdev(struct net_device *dev)
        BUG_ON(!(list_empty(&tun->disabled)));
        tun_flow_uninit(tun);
+        security_tun_dev_free_security(tun->security);
        free_netdev(dev);
 }
@@ -1562,7 +1572,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
                if (tun_not_capable(tun))
                        return -EPERM;
-                err = security_tun_dev_attach(tfile->socket.sk);
+                err = security_tun_dev_open(tun->security);
                if (err < 0)
                        return err;
@@ -1577,6 +1587,8 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
        else {
                char *name;
                unsigned long flags = 0;
+                int queues = ifr->ifr_flags & IFF_MULTI_QUEUE ?
+                             MAX_TAP_QUEUES : 1;
                if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
                        return -EPERM;
@@ -1600,8 +1612,8 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
                        name = ifr->ifr_name;
                dev = alloc_netdev_mqs(sizeof(struct tun_struct), name,
-                                       tun_setup,
+                                       tun_setup, queues, queues);
-                                       MAX_TAP_QUEUES, MAX_TAP_QUEUES);
                if (!dev)
                        return -ENOMEM;
@@ -1619,7 +1631,9 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
                spin_lock_init(&tun->lock);
-                security_tun_dev_post_create(&tfile->sk);
+                err = security_tun_dev_alloc_security(&tun->security);
+                if (err < 0)
+                        goto err_free_dev;
                tun_net_init(dev);
@@ -1789,10 +1803,14 @@ static int tun_set_queue(struct file *file, struct ifreq *ifr)
        if (ifr->ifr_flags & IFF_ATTACH_QUEUE) {
                tun = tfile->detached;
-                if (!tun)
+                if (!tun) {
                        ret = -EINVAL;
-                else
+                        goto unlock;
-                        ret = tun_attach(tun, file);
+                }
+                ret = security_tun_dev_attach_queue(tun->security);
+                if (ret < 0)
+                        goto unlock;
+                ret = tun_attach(tun, file);
        } else if (ifr->ifr_flags & IFF_DETACH_QUEUE) {
                tun = rtnl_dereference(tfile->tun);
                if (!tun || !(tun->flags & TUN_TAP_MQ))
@@ -1802,6 +1820,7 @@ static int tun_set_queue(struct file *file, struct ifreq *ifr)
        } else
                ret = -EINVAL;
+unlock:
        rtnl_unlock();
        return ret;
 }
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 42f51c71ec1f..248d2dc765a5 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -374,6 +374,21 @@ static const struct driver_info cdc_mbim_info = {
        .tx_fixup = cdc_mbim_tx_fixup,
 };
+/* MBIM and NCM devices should not need a ZLP after NTBs with
+ * dwNtbOutMaxSize length. This driver_info is for the exceptional
+ * devices requiring it anyway, allowing them to be supported without
+ * forcing the performance penalty on all the sane devices.
+ */
+static const struct driver_info cdc_mbim_info_zlp = {
+        .description = "CDC MBIM",
+        .flags = FLAG_NO_SETINT | FLAG_MULTI_PACKET | FLAG_WWAN | FLAG_SEND_ZLP,
+        .bind = cdc_mbim_bind,
+        .unbind = cdc_mbim_unbind,
+        .manage_power = cdc_mbim_manage_power,
+        .rx_fixup = cdc_mbim_rx_fixup,
+        .tx_fixup = cdc_mbim_tx_fixup,
+};
 static const struct usb_device_id mbim_devs[] = {
        /* This duplicate NCM entry is intentional. MBIM devices can
         * be disguised as NCM by default, and this is necessary to
@@ -385,6 +400,10 @@ static const struct usb_device_id mbim_devs[] = {
        { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
          .driver_info = (unsigned long)&cdc_mbim_info,
        },
+        /* Sierra Wireless MC7710 need ZLPs */
+        { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68a2, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
+          .driver_info = (unsigned long)&cdc_mbim_info_zlp,
+        },
        { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
          .driver_info = (unsigned long)&cdc_mbim_info,
        },
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 71b6e92b8e9b..9197b2c72ca3 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -435,6 +435,13 @@ advance:
                len -= temp;
        }
+        /* some buggy devices have an IAD but no CDC Union */
+        if (!ctx->union_desc && intf->intf_assoc && intf->intf_assoc->bInterfaceCount == 2) {
+                ctx->control = intf;
+                ctx->data = usb_ifnum_to_if(dev->udev, intf->cur_altsetting->desc.bInterfaceNumber + 1);
+                dev_dbg(&intf->dev, "CDC Union missing - got slave from IAD\n");
+        }
        /* check if we got everything */
        if ((ctx->control == NULL) || (ctx->data == NULL) ||
            ((!ctx->mbim_desc) && ((ctx->ether_desc == NULL) || (ctx->control != intf))))
@@ -497,7 +504,8 @@ advance:
 error2:
        usb_set_intfdata(ctx->control, NULL);
        usb_set_intfdata(ctx->data, NULL);
-        usb_driver_release_interface(driver, ctx->data);
+        if (ctx->data != ctx->control)
+                usb_driver_release_interface(driver, ctx->data);
 error:
        cdc_ncm_free((struct cdc_ncm_ctx *)dev->data[0]);
        dev->data[0] = 0;
@@ -1155,6 +1163,20 @@ static const struct driver_info wwan_info = {
        .tx_fixup = cdc_ncm_tx_fixup,
 };
+/* Same as wwan_info, but with FLAG_NOARP  */
+static const struct driver_info wwan_noarp_info = {
+        .description = "Mobile Broadband Network Device (NO ARP)",
+        .flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET
+                        | FLAG_WWAN | FLAG_NOARP,
+        .bind = cdc_ncm_bind,
+        .unbind = cdc_ncm_unbind,
+        .check_connect = cdc_ncm_check_connect,
+        .manage_power = usbnet_manage_power,
+        .status = cdc_ncm_status,
+        .rx_fixup = cdc_ncm_rx_fixup,
+        .tx_fixup = cdc_ncm_tx_fixup,
+};
 static const struct usb_device_id cdc_devs[] = {
        /* Ericsson MBM devices like F5521gw */
        { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
@@ -1194,6 +1216,13 @@ static const struct usb_device_id cdc_devs[] = {
          .driver_info = (unsigned long)&wwan_info,
        },
+        /* Infineon(now Intel) HSPA Modem platform */
+        { USB_DEVICE_AND_INTERFACE_INFO(0x1519, 0x0443,
+                USB_CLASS_COMM,
+                USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
+          .driver_info = (unsigned long)&wwan_noarp_info,
+        },
        /* Generic CDC-NCM devices */
        { USB_INTERFACE_INFO(USB_CLASS_COMM,
                USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index 3f554c1149f3..d7e99445518e 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -45,6 +45,12 @@
 #define DM_MCAST_ADDR   0x16    /* 8 bytes */
 #define DM_GPR_CTRL     0x1e
 #define DM_GPR_DATA     0x1f
+#define DM_CHIP_ID      0x2c
+#define DM_MODE_CTRL    0x91    /* only on dm9620 */
+/* chip id values */
+#define ID_DM9601       0
+#define ID_DM9620       1
 #define DM_MAX_MCAST    64
 #define DM_MCAST_SIZE   8
@@ -53,7 +59,6 @@
 #define DM_RX_OVERHEAD  7       /* 3 byte header + 4 byte crc tail */
 #define DM_TIMEOUT      1000
 static int dm_read(struct usbnet *dev, u8 reg, u16 length, void *data)
 {
        int err;
@@ -84,32 +89,23 @@ static int dm_write(struct usbnet *dev, u8 reg, u16 length, void *data)
 static int dm_write_reg(struct usbnet *dev, u8 reg, u8 value)
 {
-        return usbnet_write_cmd(dev, DM_WRITE_REGS,
+        return usbnet_write_cmd(dev, DM_WRITE_REG,
                                USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
                                value, reg, NULL, 0);
 }
-static void dm_write_async_helper(struct usbnet *dev, u8 reg, u8 value,
+static void dm_write_async(struct usbnet *dev, u8 reg, u16 length, void *data)
-                                  u16 length, void *data)
 {
        usbnet_write_cmd_async(dev, DM_WRITE_REGS,
                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-                               value, reg, data, length);
+                               0, reg, data, length);
-}
-static void dm_write_async(struct usbnet *dev, u8 reg, u16 length, void *data)
-{
-        netdev_dbg(dev->net, "dm_write_async() reg=0x%02x length=%d\n", reg, length);
-        dm_write_async_helper(dev, reg, 0, length, data);
 }
 static void dm_write_reg_async(struct usbnet *dev, u8 reg, u8 value)
 {
-        netdev_dbg(dev->net, "dm_write_reg_async() reg=0x%02x value=0x%02x\n",
+        usbnet_write_cmd_async(dev, DM_WRITE_REG,
-                   reg, value);
+                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+                               value, reg, NULL, 0);
-        dm_write_async_helper(dev, reg, value, 0, NULL);
 }
 static int dm_read_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 *value)
@@ -358,7 +354,7 @@ static const struct net_device_ops dm9601_netdev_ops = {
 static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf)
 {
        int ret;
-        u8 mac[ETH_ALEN];
+        u8 mac[ETH_ALEN], id;
        ret = usbnet_get_endpoints(dev, intf);
        if (ret)
@@ -399,6 +395,24 @@ static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf)
                __dm9601_set_mac_address(dev);
        }
+        if (dm_read_reg(dev, DM_CHIP_ID, &id) < 0) {
+                netdev_err(dev->net, "Error reading chip ID\n");
+                ret = -ENODEV;
+                goto out;
+        }
+        /* put dm9620 devices in dm9601 mode */
+        if (id == ID_DM9620) {
+                u8 mode;
+                if (dm_read_reg(dev, DM_MODE_CTRL, &mode) < 0) {
+                        netdev_err(dev->net, "Error reading MODE_CTRL\n");
+                        ret = -ENODEV;
+                        goto out;
+                }
+                dm_write_reg(dev, DM_MODE_CTRL, mode & 0x7f);
+        }
        /* power up phy */
        dm_write_reg(dev, DM_GPR_CTRL, 1);
        dm_write_reg(dev, DM_GPR_DATA, 0);
@@ -581,6 +595,10 @@ static const struct usb_device_id products[] = {
         USB_DEVICE(0x0a46, 0x9000),    /* DM9000E */
         .driver_info = (unsigned long)&dm9601_info,
         },
+        {
+         USB_DEVICE(0x0a46, 0x9620),    /* DM9620 USB to Fast Ethernet Adapter */
+         .driver_info = (unsigned long)&dm9601_info,
+         },
        {},                     // END
 };
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 6a1ca500e612..575a5839ee34 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -433,6 +433,7 @@ static const struct usb_device_id products[] = {
        {QMI_FIXED_INTF(0x19d2, 0x0199, 1)},    /* ZTE MF820S */
        {QMI_FIXED_INTF(0x19d2, 0x0200, 1)},
        {QMI_FIXED_INTF(0x19d2, 0x0257, 3)},    /* ZTE MF821 */
+        {QMI_FIXED_INTF(0x19d2, 0x0265, 4)},    /* ONDA MT8205 4G LTE */
        {QMI_FIXED_INTF(0x19d2, 0x0284, 4)},    /* ZTE MF880 */
        {QMI_FIXED_INTF(0x19d2, 0x0326, 4)},    /* ZTE MF821D */
        {QMI_FIXED_INTF(0x19d2, 0x1008, 4)},    /* ZTE (Vodafone) K3570-Z */
@@ -459,6 +460,7 @@ static const struct usb_device_id products[] = {
        {QMI_FIXED_INTF(0x1199, 0x68a2, 19)},   /* Sierra Wireless MC7710 in QMI mode */
        {QMI_FIXED_INTF(0x1199, 0x901c, 8)},    /* Sierra Wireless EM7700 */
        {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)},    /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */
+        {QMI_FIXED_INTF(0x2357, 0x0201, 4)},    /* TP-LINK HSUPA Modem MA180 */
        /* 4. Gobi 1000 devices */
        {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)},    /* Acer Gobi Modem Device */
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 3d4bf01641b4..f34b2ebee815 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1448,6 +1448,10 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
                if ((dev->driver_info->flags & FLAG_WWAN) != 0)
                        strcpy(net->name, "wwan%d");
+                /* devices that cannot do ARP */
+                if ((dev->driver_info->flags & FLAG_NOARP) != 0)
+                        net->flags |= IFF_NOARP;
                /* maybe the remote can't receive an Ethernet MTU */
                if (net->mtu > (dev->hard_mtu - net->hard_header_len))
                        net->mtu = dev->hard_mtu - net->hard_header_len;
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index a6fcf15adc4f..35c00c5ea02a 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -26,6 +26,7 @@
 #include <linux/scatterlist.h>
 #include <linux/if_vlan.h>
 #include <linux/slab.h>
+#include <linux/cpu.h>
 static int napi_weight = 128;
 module_param(napi_weight, int, 0444);
@@ -123,6 +124,12 @@ struct virtnet_info {
        /* Does the affinity hint is set for virtqueues? */
        bool affinity_hint_set;
+        /* Per-cpu variable to show the mapping from CPU to virtqueue */
+        int __percpu *vq_index;
+        /* CPU hot plug notifier */
+        struct notifier_block nb;
 };
 struct skb_vnet_hdr {
@@ -1013,32 +1020,75 @@ static int virtnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid)
        return 0;
 }
-static void virtnet_set_affinity(struct virtnet_info *vi, bool set)
+static void virtnet_clean_affinity(struct virtnet_info *vi, long hcpu)
 {
        int i;
+        int cpu;
+        if (vi->affinity_hint_set) {
+                for (i = 0; i < vi->max_queue_pairs; i++) {
+                        virtqueue_set_affinity(vi->rq[i].vq, -1);
+                        virtqueue_set_affinity(vi->sq[i].vq, -1);
+                }
+                vi->affinity_hint_set = false;
+        }
+        i = 0;
+        for_each_online_cpu(cpu) {
+                if (cpu == hcpu) {
+                        *per_cpu_ptr(vi->vq_index, cpu) = -1;
+                } else {
+                        *per_cpu_ptr(vi->vq_index, cpu) =
+                                ++i % vi->curr_queue_pairs;
+                }
+        }
+}
+static void virtnet_set_affinity(struct virtnet_info *vi)
+{
+        int i;
+        int cpu;
        /* In multiqueue mode, when the number of cpu is equal to the number of
         * queue pairs, we let the queue pairs to be private to one cpu by
         * setting the affinity hint to eliminate the contention.
         */
-        if ((vi->curr_queue_pairs == 1 ||
+        if (vi->curr_queue_pairs == 1 ||
-             vi->max_queue_pairs != num_online_cpus()) && set) {
+            vi->max_queue_pairs != num_online_cpus()) {
-                if (vi->affinity_hint_set)
+                virtnet_clean_affinity(vi, -1);
-                        set = false;
+                return;
-                else
-                        return;
        }
-        for (i = 0; i < vi->max_queue_pairs; i++) {
+        i = 0;
-                int cpu = set ? i : -1;
+        for_each_online_cpu(cpu) {
                virtqueue_set_affinity(vi->rq[i].vq, cpu);
                virtqueue_set_affinity(vi->sq[i].vq, cpu);
+                *per_cpu_ptr(vi->vq_index, cpu) = i;
+                i++;
        }
-        if (set)
+        vi->affinity_hint_set = true;
-                vi->affinity_hint_set = true;
+}
-        else
-                vi->affinity_hint_set = false;
+static int virtnet_cpu_callback(struct notifier_block *nfb,
+                                unsigned long action, void *hcpu)
+{
+        struct virtnet_info *vi = container_of(nfb, struct virtnet_info, nb);
+        switch(action & ~CPU_TASKS_FROZEN) {
+        case CPU_ONLINE:
+        case CPU_DOWN_FAILED:
+        case CPU_DEAD:
+                virtnet_set_affinity(vi);
+                break;
+        case CPU_DOWN_PREPARE:
+                virtnet_clean_affinity(vi, (long)hcpu);
+                break;
+        default:
+                break;
+        }
+        return NOTIFY_OK;
 }
 static void virtnet_get_ringparam(struct net_device *dev,
@@ -1082,13 +1132,15 @@ static int virtnet_set_channels(struct net_device *dev,
        if (queue_pairs > vi->max_queue_pairs)
                return -EINVAL;
+        get_online_cpus();
        err = virtnet_set_queues(vi, queue_pairs);
        if (!err) {
                netif_set_real_num_tx_queues(dev, queue_pairs);
                netif_set_real_num_rx_queues(dev, queue_pairs);
-                virtnet_set_affinity(vi, true);
+                virtnet_set_affinity(vi);
        }
+        put_online_cpus();
        return err;
 }
@@ -1127,12 +1179,19 @@ static int virtnet_change_mtu(struct net_device *dev, int new_mtu)
 /* To avoid contending a lock hold by a vcpu who would exit to host, select the
 * txq based on the processor id.
- * TODO: handle cpu hotplug.
 */
 static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb)
 {
-        int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) :
+        int txq;
-                  smp_processor_id();
+        struct virtnet_info *vi = netdev_priv(dev);
+        if (skb_rx_queue_recorded(skb)) {
+                txq = skb_get_rx_queue(skb);
+        } else {
+                txq = *__this_cpu_ptr(vi->vq_index);
+                if (txq == -1)
+                        txq = 0;
+        }
        while (unlikely(txq >= dev->real_num_tx_queues))
                txq -= dev->real_num_tx_queues;
@@ -1248,7 +1307,7 @@ static void virtnet_del_vqs(struct virtnet_info *vi)
 {
        struct virtio_device *vdev = vi->vdev;
-        virtnet_set_affinity(vi, false);
+        virtnet_clean_affinity(vi, -1);
        vdev->config->del_vqs(vdev);
@@ -1371,7 +1430,10 @@ static int init_vqs(struct virtnet_info *vi)
        if (ret)
                goto err_free;
-        virtnet_set_affinity(vi, true);
+        get_online_cpus();
+        virtnet_set_affinity(vi);
+        put_online_cpus();
        return 0;
 err_free:
@@ -1453,6 +1515,10 @@ static int virtnet_probe(struct virtio_device *vdev)
        if (vi->stats == NULL)
                goto free;
+        vi->vq_index = alloc_percpu(int);
+        if (vi->vq_index == NULL)
+                goto free_stats;
        mutex_init(&vi->config_lock);
        vi->config_enable = true;
        INIT_WORK(&vi->config_work, virtnet_config_changed_work);
@@ -1476,7 +1542,7 @@ static int virtnet_probe(struct virtio_device *vdev)
        /* Allocate/initialize the rx/tx queues, and invoke find_vqs */
        err = init_vqs(vi);
        if (err)
-                goto free_stats;
+                goto free_index;
        netif_set_real_num_tx_queues(dev, 1);
        netif_set_real_num_rx_queues(dev, 1);
@@ -1499,6 +1565,13 @@ static int virtnet_probe(struct virtio_device *vdev)
                }
        }
+        vi->nb.notifier_call = &virtnet_cpu_callback;
+        err = register_hotcpu_notifier(&vi->nb);
+        if (err) {
+                pr_debug("virtio_net: registering cpu notifier failed\n");
+                goto free_recv_bufs;
+        }
        /* Assume link up if device can't report link status,
           otherwise get link status from config. */
        if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_STATUS)) {
@@ -1520,6 +1593,8 @@ free_recv_bufs:
 free_vqs:
        cancel_delayed_work_sync(&vi->refill);
        virtnet_del_vqs(vi);
+free_index:
+        free_percpu(vi->vq_index);
 free_stats:
        free_percpu(vi->stats);
 free:
@@ -1543,6 +1618,8 @@ static void virtnet_remove(struct virtio_device *vdev)
 {
        struct virtnet_info *vi = vdev->priv;
+        unregister_hotcpu_notifier(&vi->nb);
        /* Prevent config work handler from accessing the device. */
        mutex_lock(&vi->config_lock);
        vi->config_enable = false;
@@ -1554,6 +1631,7 @@ static void virtnet_remove(struct virtio_device *vdev)
        flush_work(&vi->config_work);
+        free_percpu(vi->vq_index);
        free_percpu(vi->stats);
        free_netdev(vi->dev);
 }
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 8b0d8dcd7625..56317b0fb6b6 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -976,6 +976,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
                                          AR_PHY_CL_TAB_1,
                                          AR_PHY_CL_TAB_2 };
+        ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
        if (rtt) {
                if (!ar9003_hw_rtt_restore(ah, chan))
                        run_rtt_cal = true;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index ce19c09fa8e8..3afc24bde6d6 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -586,32 +586,19 @@ static void ar9003_hw_init_bb(struct ath_hw *ah,
        ath9k_hw_synth_delay(ah, chan, synthDelay);
 }
-static void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
+void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
 {
-        switch (rx) {
+        if (ah->caps.tx_chainmask == 5 || ah->caps.rx_chainmask == 5)
-        case 0x5:
                REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
                            AR_PHY_SWAP_ALT_CHAIN);
-        case 0x3:
-        case 0x1:
+        REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx);
-        case 0x2:
+        REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx);
-        case 0x7:
-                REG_WRITE(ah, AR_PHY_RX_CHAINMASK, rx);
-                REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, rx);
-                break;
-        default:
-                break;
-        }
        if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (tx == 0x7))
-                REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);
+                tx = 3;
-        else
-                REG_WRITE(ah, AR_SELFGEN_MASK, tx);
-        if (tx == 0x5) {
+        REG_WRITE(ah, AR_SELFGEN_MASK, tx);
-                REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
-                            AR_PHY_SWAP_ALT_CHAIN);
-        }
 }
 /*
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 86e26a19efda..42794c546a40 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -317,7 +317,6 @@ struct ath_rx {
        u32 *rxlink;
        u32 num_pkts;
        unsigned int rxfilter;
-        spinlock_t rxbuflock;
        struct list_head rxbuf;
        struct ath_descdma rxdma;
        struct ath_buf *rx_bufptr;
@@ -328,7 +327,6 @@ struct ath_rx {
 int ath_startrecv(struct ath_softc *sc);
 bool ath_stoprecv(struct ath_softc *sc);
-void ath_flushrecv(struct ath_softc *sc);
 u32 ath_calcrxfilter(struct ath_softc *sc);
 int ath_rx_init(struct ath_softc *sc, int nbufs);
 void ath_rx_cleanup(struct ath_softc *sc);
@@ -646,7 +644,6 @@ void ath_ant_comb_update(struct ath_softc *sc);
 enum sc_op_flags {
        SC_OP_INVALID,
        SC_OP_BEACONS,
-        SC_OP_RXFLUSH,
        SC_OP_ANI_RUN,
        SC_OP_PRIM_STA_VIF,
        SC_OP_HW_RESET,
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 531fffd801a3..2ca355e94da6 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -147,6 +147,7 @@ static struct ath_buf *ath9k_beacon_generate(struct ieee80211_hw *hw,
                                 skb->len, DMA_TO_DEVICE);
                dev_kfree_skb_any(skb);
                bf->bf_buf_addr = 0;
+                bf->bf_mpdu = NULL;
        }
        skb = ieee80211_beacon_get(hw, vif);
@@ -359,7 +360,6 @@ void ath9k_beacon_tasklet(unsigned long data)
                return;
        bf = ath9k_beacon_generate(sc->hw, vif);
-        WARN_ON(!bf);
        if (sc->beacon.bmisscnt != 0) {
                ath_dbg(common, BSTUCK, "resume beacon xmit after %u misses\n",
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 13ff9edc2401..e585fc827c50 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -861,7 +861,6 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
        RXS_ERR("RX-LENGTH-ERR", rx_len_err);
        RXS_ERR("RX-OOM-ERR", rx_oom_err);
        RXS_ERR("RX-RATE-ERR", rx_rate_err);
-        RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush);
        RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
        PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 375c3b46411e..6df2ab62dcb7 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -216,7 +216,6 @@ struct ath_tx_stats {
 * @rx_oom_err:  No. of frames dropped due to OOM issues.
 * @rx_rate_err:  No. of frames dropped due to rate errors.
 * @rx_too_many_frags_err:  Frames dropped due to too-many-frags received.
- * @rx_drop_rxflush: No. of frames dropped due to RX-FLUSH.
 * @rx_beacons:  No. of beacons received.
 * @rx_frags:  No. of rx-fragements received.
 */
@@ -235,7 +234,6 @@ struct ath_rx_stats {
        u32 rx_oom_err;
        u32 rx_rate_err;
        u32 rx_too_many_frags_err;
-        u32 rx_drop_rxflush;
        u32 rx_beacons;
        u32 rx_frags;
 };
diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c
index 4a9570dfba72..aac4a406a513 100644
--- a/drivers/net/wireless/ath/ath9k/htc_hst.c
+++ b/drivers/net/wireless/ath/ath9k/htc_hst.c
@@ -344,6 +344,8 @@ void ath9k_htc_txcompletion_cb(struct htc_target *htc_handle,
                        endpoint->ep_callbacks.tx(endpoint->ep_callbacks.priv,
                                                  skb, htc_hdr->endpoint_id,
                                                  txok);
+                } else {
+                        kfree_skb(skb);
                }
        }
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 7f1a8e91c908..9d26fc56ca56 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -1066,6 +1066,7 @@ void ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
 int ar9003_paprd_init_table(struct ath_hw *ah);
 bool ar9003_paprd_is_done(struct ath_hw *ah);
 bool ar9003_is_paprd_enabled(struct ath_hw *ah);
+void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
 /* Hardware family op attach helpers */
 void ar5008_hw_attach_phy_ops(struct ath_hw *ah);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index be30a9af1528..dd91f8fdc01c 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -182,7 +182,7 @@ static void ath_restart_work(struct ath_softc *sc)
        ath_start_ani(sc);
 }
-static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush)
+static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx)
 {
        struct ath_hw *ah = sc->sc_ah;
        bool ret = true;
@@ -202,14 +202,6 @@ static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush)
        if (!ath_drain_all_txq(sc, retry_tx))
                ret = false;
-        if (!flush) {
-                if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
-                        ath_rx_tasklet(sc, 1, true);
-                ath_rx_tasklet(sc, 1, false);
-        } else {
-                ath_flushrecv(sc);
-        }
        return ret;
 }
@@ -262,11 +254,11 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan,
        struct ath_common *common = ath9k_hw_common(ah);
        struct ath9k_hw_cal_data *caldata = NULL;
        bool fastcc = true;
-        bool flush = false;
        int r;
        __ath_cancel_work(sc);
+        tasklet_disable(&sc->intr_tq);
        spin_lock_bh(&sc->sc_pcu_lock);
        if (!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) {
@@ -276,11 +268,10 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan,
        if (!hchan) {
                fastcc = false;
-                flush = true;
                hchan = ah->curchan;
        }
-        if (!ath_prepare_reset(sc, retry_tx, flush))
+        if (!ath_prepare_reset(sc, retry_tx))
                fastcc = false;
        ath_dbg(common, CONFIG, "Reset to %u MHz, HT40: %d fastcc: %d\n",
@@ -302,6 +293,8 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan,
 out:
        spin_unlock_bh(&sc->sc_pcu_lock);
+        tasklet_enable(&sc->intr_tq);
        return r;
 }
@@ -804,7 +797,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
                ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
        }
-        ath_prepare_reset(sc, false, true);
+        ath_prepare_reset(sc, false);
        if (sc->rx.frag) {
                dev_kfree_skb_any(sc->rx.frag);
@@ -1833,6 +1826,9 @@ static u32 fill_chainmask(u32 cap, u32 new)
 static bool validate_antenna_mask(struct ath_hw *ah, u32 val)
 {
+        if (AR_SREV_9300_20_OR_LATER(ah))
+                return true;
        switch (val & 0x7) {
        case 0x1:
        case 0x3:
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index d4df98a938bf..90752f246970 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -254,8 +254,6 @@ rx_init_fail:
 static void ath_edma_start_recv(struct ath_softc *sc)
 {
-        spin_lock_bh(&sc->rx.rxbuflock);
        ath9k_hw_rxena(sc->sc_ah);
        ath_rx_addbuffer_edma(sc, ATH9K_RX_QUEUE_HP,
@@ -267,8 +265,6 @@ static void ath_edma_start_recv(struct ath_softc *sc)
        ath_opmode_init(sc);
        ath9k_hw_startpcureceive(sc->sc_ah, !!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL));
-        spin_unlock_bh(&sc->rx.rxbuflock);
 }
 static void ath_edma_stop_recv(struct ath_softc *sc)
@@ -285,8 +281,6 @@ int ath_rx_init(struct ath_softc *sc, int nbufs)
        int error = 0;
        spin_lock_init(&sc->sc_pcu_lock);
-        spin_lock_init(&sc->rx.rxbuflock);
-        clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);
        common->rx_bufsize = IEEE80211_MAX_MPDU_LEN / 2 +
                             sc->sc_ah->caps.rx_status_len;
@@ -447,7 +441,6 @@ int ath_startrecv(struct ath_softc *sc)
                return 0;
        }
-        spin_lock_bh(&sc->rx.rxbuflock);
        if (list_empty(&sc->rx.rxbuf))
                goto start_recv;
@@ -468,26 +461,31 @@ start_recv:
        ath_opmode_init(sc);
        ath9k_hw_startpcureceive(ah, !!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL));
-        spin_unlock_bh(&sc->rx.rxbuflock);
        return 0;
 }
+static void ath_flushrecv(struct ath_softc *sc)
+{
+        if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
+                ath_rx_tasklet(sc, 1, true);
+        ath_rx_tasklet(sc, 1, false);
+}
 bool ath_stoprecv(struct ath_softc *sc)
 {
        struct ath_hw *ah = sc->sc_ah;
        bool stopped, reset = false;
-        spin_lock_bh(&sc->rx.rxbuflock);
        ath9k_hw_abortpcurecv(ah);
        ath9k_hw_setrxfilter(ah, 0);
        stopped = ath9k_hw_stopdmarecv(ah, &reset);
+        ath_flushrecv(sc);
        if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
                ath_edma_stop_recv(sc);
        else
                sc->rx.rxlink = NULL;
-        spin_unlock_bh(&sc->rx.rxbuflock);
        if (!(ah->ah_flags & AH_UNPLUGGED) &&
            unlikely(!stopped)) {
@@ -499,15 +497,6 @@ bool ath_stoprecv(struct ath_softc *sc)
        return stopped && !reset;
 }
-void ath_flushrecv(struct ath_softc *sc)
-{
-        set_bit(SC_OP_RXFLUSH, &sc->sc_flags);
-        if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
-                ath_rx_tasklet(sc, 1, true);
-        ath_rx_tasklet(sc, 1, false);
-        clear_bit(SC_OP_RXFLUSH, &sc->sc_flags);
-}
 static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb)
 {
        /* Check whether the Beacon frame has DTIM indicating buffered bc/mc */
@@ -744,6 +733,7 @@ static struct ath_buf *ath_get_next_rx_buf(struct ath_softc *sc,
                        return NULL;
        }
+        list_del(&bf->list);
        if (!bf->bf_mpdu)
                return bf;
@@ -1059,16 +1049,12 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
                dma_type = DMA_FROM_DEVICE;
        qtype = hp ? ATH9K_RX_QUEUE_HP : ATH9K_RX_QUEUE_LP;
-        spin_lock_bh(&sc->rx.rxbuflock);
        tsf = ath9k_hw_gettsf64(ah);
        tsf_lower = tsf & 0xffffffff;
        do {
                bool decrypt_error = false;
-                /* If handling rx interrupt and flush is in progress => exit */
-                if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags) && (flush == 0))
-                        break;
                memset(&rs, 0, sizeof(rs));
                if (edma)
@@ -1111,15 +1097,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
                ath_debug_stat_rx(sc, &rs);
-                /*
-                 * If we're asked to flush receive queue, directly
-                 * chain it back at the queue without processing it.
-                 */
-                if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags)) {
-                        RX_STAT_INC(rx_drop_rxflush);
-                        goto requeue_drop_frag;
-                }
                memset(rxs, 0, sizeof(struct ieee80211_rx_status));
                rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
@@ -1254,19 +1231,18 @@ requeue_drop_frag:
                        sc->rx.frag = NULL;
                }
 requeue:
+                list_add_tail(&bf->list, &sc->rx.rxbuf);
+                if (flush)
+                        continue;
                if (edma) {
-                        list_add_tail(&bf->list, &sc->rx.rxbuf);
                        ath_rx_edma_buf_link(sc, qtype);
                } else {
-                        list_move_tail(&bf->list, &sc->rx.rxbuf);
                        ath_rx_buf_link(sc, bf);
-                        if (!flush)
+                        ath9k_hw_rxena(ah);
-                                ath9k_hw_rxena(ah);
                }
        } while (1);
-        spin_unlock_bh(&sc->rx.rxbuflock);
        if (!(ah->imask & ATH9K_INT_RXEOL)) {
                ah->imask |= (ATH9K_INT_RXEOL | ATH9K_INT_RXORN);
                ath9k_hw_set_interrupts(ah);
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index 1fbd8ecbe2ea..0f71d1d4339d 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -1407,9 +1407,10 @@ void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
 #endif
        t->ms = ms;
        t->periodic = (bool) periodic;
-        t->set = true;
+        if (!t->set) {
+                t->set = true;
-        atomic_inc(&t->wl->callbacks);
+                atomic_inc(&t->wl->callbacks);
+        }
        ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
 }
diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index 7e16d10a7f14..90b8970eadf0 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -3958,17 +3958,21 @@ il_connection_init_rx_config(struct il_priv *il)
        memset(&il->staging, 0, sizeof(il->staging));
-        if (!il->vif) {
+        switch (il->iw_mode) {
+        case NL80211_IFTYPE_UNSPECIFIED:
                il->staging.dev_type = RXON_DEV_TYPE_ESS;
-        } else if (il->vif->type == NL80211_IFTYPE_STATION) {
+                break;
+        case NL80211_IFTYPE_STATION:
                il->staging.dev_type = RXON_DEV_TYPE_ESS;
                il->staging.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
-        } else if (il->vif->type == NL80211_IFTYPE_ADHOC) {
+                break;
+        case NL80211_IFTYPE_ADHOC:
                il->staging.dev_type = RXON_DEV_TYPE_IBSS;
                il->staging.flags = RXON_FLG_SHORT_PREAMBLE_MSK;
                il->staging.filter_flags =
                    RXON_FILTER_BCON_AWARE_MSK | RXON_FILTER_ACCEPT_GRP_MSK;
-        } else {
+                break;
+        default:
                IL_ERR("Unsupported interface type %d\n", il->vif->type);
                return;
        }
@@ -4550,8 +4554,7 @@ out:
 EXPORT_SYMBOL(il_mac_add_interface);
 static void
-il_teardown_interface(struct il_priv *il, struct ieee80211_vif *vif,
+il_teardown_interface(struct il_priv *il, struct ieee80211_vif *vif)
-                      bool mode_change)
 {
        lockdep_assert_held(&il->mutex);
@@ -4560,9 +4563,7 @@ il_teardown_interface(struct il_priv *il, struct ieee80211_vif *vif,
                il_force_scan_end(il);
        }
-        if (!mode_change)
+        il_set_mode(il);
-                il_set_mode(il);
 }
 void
@@ -4575,8 +4576,8 @@ il_mac_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
        WARN_ON(il->vif != vif);
        il->vif = NULL;
+        il->iw_mode = NL80211_IFTYPE_UNSPECIFIED;
-        il_teardown_interface(il, vif, false);
+        il_teardown_interface(il, vif);
        memset(il->bssid, 0, ETH_ALEN);
        D_MAC80211("leave\n");
@@ -4685,18 +4686,10 @@ il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
        }
        /* success */
-        il_teardown_interface(il, vif, true);
        vif->type = newtype;
        vif->p2p = false;
-        err = il_set_mode(il);
+        il->iw_mode = newtype;
-        WARN_ON(err);
+        il_teardown_interface(il, vif);
-        /*
-         * We've switched internally, but submitting to the
-         * device may have failed for some reason. Mask this
-         * error, because otherwise mac80211 will not switch
-         * (and set the interface type back) and we'll be
-         * out of sync with it.
-         */
        err = 0;
 out:
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index a790599fe2c2..31534f7c0548 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -1079,6 +1079,8 @@ static void iwlagn_set_tx_status(struct iwl_priv *priv,
 {
        u16 status = le16_to_cpu(tx_resp->status.status);
+        info->flags &= ~IEEE80211_TX_CTL_AMPDU;
        info->status.rates[0].count = tx_resp->failure_frame + 1;
        info->flags |= iwl_tx_status_to_mac80211(status);
        iwlagn_hwrate_to_tx_control(priv, le32_to_cpu(tx_resp->rate_n_flags),
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index efe525be27dd..cdb11b3964e2 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1459,7 +1459,7 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
        struct cfg80211_ssid req_ssid;
        int ret, auth_type = 0;
        struct cfg80211_bss *bss = NULL;
-        u8 is_scanning_required = 0, config_bands = 0;
+        u8 is_scanning_required = 0;
        memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
@@ -1478,19 +1478,6 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
        /* disconnect before try to associate */
        mwifiex_deauthenticate(priv, NULL);
-        if (channel) {
-                if (mode == NL80211_IFTYPE_STATION) {
-                        if (channel->band == IEEE80211_BAND_2GHZ)
-                                config_bands = BAND_B | BAND_G | BAND_GN;
-                        else
-                                config_bands = BAND_A | BAND_AN;
-                        if (!((config_bands | priv->adapter->fw_bands) &
-                              ~priv->adapter->fw_bands))
-                                priv->adapter->config_bands = config_bands;
-                }
-        }
        /* As this is new association, clear locally stored
         * keys and security related flags */
        priv->sec_info.wpa_enabled = false;
@@ -1707,7 +1694,7 @@ static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
                if (cfg80211_get_chandef_type(&params->chandef) !=
                                                NL80211_CHAN_NO_HT)
-                        config_bands |= BAND_GN;
+                        config_bands |= BAND_G | BAND_GN;
        } else {
                if (cfg80211_get_chandef_type(&params->chandef) ==
                                                NL80211_CHAN_NO_HT)
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 13fbc4eb1595..b879e1338a54 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -161,7 +161,7 @@ static int mwifiex_pcie_suspend(struct pci_dev *pdev, pm_message_t state)
        if (pdev) {
                card = (struct pcie_service_card *) pci_get_drvdata(pdev);
-                if (!card || card->adapter) {
+                if (!card || !card->adapter) {
                        pr_err("Card or adapter structure is not valid\n");
                        return 0;
                }
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 60e88b58039d..f542bb8ccbc8 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -283,6 +283,20 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
                if (ret)
                        goto done;
+                if (bss_desc) {
+                        u8 config_bands = 0;
+                        if (mwifiex_band_to_radio_type((u8) bss_desc->bss_band)
+                            == HostCmd_SCAN_RADIO_TYPE_BG)
+                                config_bands = BAND_B | BAND_G | BAND_GN;
+                        else
+                                config_bands = BAND_A | BAND_AN;
+                        if (!((config_bands | adapter->fw_bands) &
+                              ~adapter->fw_bands))
+                                adapter->config_bands = config_bands;
+                }
                ret = mwifiex_check_network_compatibility(priv, bss_desc);
                if (ret)
                        goto done;
diff --git a/drivers/net/wireless/rtlwifi/Kconfig b/drivers/net/wireless/rtlwifi/Kconfig
index 21b1bbb93a7e..b80bc4612581 100644
--- a/drivers/net/wireless/rtlwifi/Kconfig
+++ b/drivers/net/wireless/rtlwifi/Kconfig
@@ -57,12 +57,12 @@ config RTL8192CU
 config RTLWIFI
        tristate
-        depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE
+        depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE || RTL8723AE
        default m
 config RTLWIFI_DEBUG
        bool "Additional debugging output"
-        depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE
+        depends on RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE || RTL8723AE
        default y
 config RTL8192C_COMMON
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index c31aeb01bb00..efaecefe3f8c 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -181,7 +181,6 @@ config PINCTRL_COH901
 config PINCTRL_SAMSUNG
        bool
-        depends on OF && GPIOLIB
        select PINMUX
        select PINCONF
diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c
index 69aba3697287..428ea96a94d3 100644
--- a/drivers/pinctrl/mvebu/pinctrl-dove.c
+++ b/drivers/pinctrl/mvebu/pinctrl-dove.c
@@ -588,7 +588,7 @@ static int dove_pinctrl_probe(struct platform_device *pdev)
 {
        const struct of_device_id *match =
                of_match_device(dove_pinctrl_of_match, &pdev->dev);
-        pdev->dev.platform_data = match->data;
+        pdev->dev.platform_data = (void *)match->data;
        /*
         * General MPP Configuration Register is part of pdma registers.
diff --git a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
index f12084e18057..cdd483df673e 100644
--- a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
+++ b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c
@@ -66,9 +66,9 @@ static struct mvebu_mpp_mode mv88f6xxx_mpp_modes[] = {
                MPP_VAR_FUNCTION(0x5, "sata0", "act",    V(0, 1, 1, 1, 1, 0)),
                MPP_VAR_FUNCTION(0xb, "lcd", "vsync",    V(0, 0, 0, 0, 1, 0))),
        MPP_MODE(6,
-                MPP_VAR_FUNCTION(0x0, "sysrst", "out",   V(1, 1, 1, 1, 1, 1)),
+                MPP_VAR_FUNCTION(0x1, "sysrst", "out",   V(1, 1, 1, 1, 1, 1)),
-                MPP_VAR_FUNCTION(0x1, "spi", "mosi",     V(1, 1, 1, 1, 1, 1)),
+                MPP_VAR_FUNCTION(0x2, "spi", "mosi",     V(1, 1, 1, 1, 1, 1)),
-                MPP_VAR_FUNCTION(0x2, "ptp", "trig",     V(1, 1, 1, 1, 0, 0))),
+                MPP_VAR_FUNCTION(0x3, "ptp", "trig",     V(1, 1, 1, 1, 0, 0))),
        MPP_MODE(7,
                MPP_VAR_FUNCTION(0x0, "gpo", NULL,       V(1, 1, 1, 1, 1, 1)),
                MPP_VAR_FUNCTION(0x1, "pex", "rsto",     V(1, 1, 1, 1, 0, 1)),
@@ -458,7 +458,7 @@ static int kirkwood_pinctrl_probe(struct platform_device *pdev)
 {
        const struct of_device_id *match =
                of_match_device(kirkwood_pinctrl_of_match, &pdev->dev);
-        pdev->dev.platform_data = match->data;
+        pdev->dev.platform_data = (void *)match->data;
        return mvebu_pinctrl_probe(pdev);
 }
diff --git a/drivers/pinctrl/pinctrl-exynos5440.c b/drivers/pinctrl/pinctrl-exynos5440.c
index de05b64f0da6..142729914c34 100644
--- a/drivers/pinctrl/pinctrl-exynos5440.c
+++ b/drivers/pinctrl/pinctrl-exynos5440.c
@@ -599,7 +599,7 @@ static int exynos5440_gpio_direction_output(struct gpio_chip *gc, unsigned offse
 }
 /* parse the pin numbers listed in the 'samsung,exynos5440-pins' property */
-static int __init exynos5440_pinctrl_parse_dt_pins(struct platform_device *pdev,
+static int exynos5440_pinctrl_parse_dt_pins(struct platform_device *pdev,
                        struct device_node *cfg_np, unsigned int **pin_list,
                        unsigned int *npins)
 {
@@ -630,7 +630,7 @@ static int __init exynos5440_pinctrl_parse_dt_pins(struct platform_device *pdev,
 * Parse the information about all the available pin groups and pin functions
 * from device node of the pin-controller.
 */
-static int __init exynos5440_pinctrl_parse_dt(struct platform_device *pdev,
+static int exynos5440_pinctrl_parse_dt(struct platform_device *pdev,
                                struct exynos5440_pinctrl_priv_data *priv)
 {
        struct device *dev = &pdev->dev;
@@ -723,7 +723,7 @@ static int __init exynos5440_pinctrl_parse_dt(struct platform_device *pdev,
 }
 /* register the pinctrl interface with the pinctrl subsystem */
-static int __init exynos5440_pinctrl_register(struct platform_device *pdev,
+static int exynos5440_pinctrl_register(struct platform_device *pdev,
                                struct exynos5440_pinctrl_priv_data *priv)
 {
        struct device *dev = &pdev->dev;
@@ -798,7 +798,7 @@ static int __init exynos5440_pinctrl_register(struct platform_device *pdev,
 }
 /* register the gpiolib interface with the gpiolib subsystem */
-static int __init exynos5440_gpiolib_register(struct platform_device *pdev,
+static int exynos5440_gpiolib_register(struct platform_device *pdev,
                                struct exynos5440_pinctrl_priv_data *priv)
 {
        struct gpio_chip *gc;
@@ -831,7 +831,7 @@ static int __init exynos5440_gpiolib_register(struct platform_device *pdev,
 }
 /* unregister the gpiolib interface with the gpiolib subsystem */
-static int __init exynos5440_gpiolib_unregister(struct platform_device *pdev,
+static int exynos5440_gpiolib_unregister(struct platform_device *pdev,
                                struct exynos5440_pinctrl_priv_data *priv)
 {
        int ret = gpiochip_remove(priv->gc);
diff --git a/drivers/pinctrl/pinctrl-mxs.c b/drivers/pinctrl/pinctrl-mxs.c
index dd227d21dcf2..23af9f1f9c35 100644
--- a/drivers/pinctrl/pinctrl-mxs.c
+++ b/drivers/pinctrl/pinctrl-mxs.c
@@ -146,7 +146,7 @@ free:
 static void mxs_dt_free_map(struct pinctrl_dev *pctldev,
                            struct pinctrl_map *map, unsigned num_maps)
 {
-        int i;
+        u32 i;
        for (i = 0; i < num_maps; i++) {
                if (map[i].type == PIN_MAP_TYPE_MUX_GROUP)
@@ -203,7 +203,7 @@ static int mxs_pinctrl_enable(struct pinctrl_dev *pctldev, unsigned selector,
        void __iomem *reg;
        u8 bank, shift;
        u16 pin;
-        int i;
+        u32 i;
        for (i = 0; i < g->npins; i++) {
                bank = PINID_TO_BANK(g->pins[i]);
@@ -256,7 +256,7 @@ static int mxs_pinconf_group_set(struct pinctrl_dev *pctldev,
        void __iomem *reg;
        u8 ma, vol, pull, bank, shift;
        u16 pin;
-        int i;
+        u32 i;
        ma = CONFIG_TO_MA(config);
        vol = CONFIG_TO_VOL(config);
@@ -345,8 +345,7 @@ static int mxs_pinctrl_parse_group(struct platform_device *pdev,
        const char *propname = "fsl,pinmux-ids";
        char *group;
        int length = strlen(np->name) + SUFFIX_LEN;
-        int i;
+        u32 val, i;
-        u32 val;
        group = devm_kzalloc(&pdev->dev, length, GFP_KERNEL);
        if (!group)
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index 1bb16ffb4e41..5767b18ebdff 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -676,7 +676,7 @@ int nmk_gpio_set_mode(int gpio, int gpio_mode)
 }
 EXPORT_SYMBOL(nmk_gpio_set_mode);
-static int nmk_prcm_gpiocr_get_mode(struct pinctrl_dev *pctldev, int gpio)
+static int __maybe_unused nmk_prcm_gpiocr_get_mode(struct pinctrl_dev *pctldev, int gpio)
 {
        int i;
        u16 reg;
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index f6a360b86eb6..5c32e880bcb2 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -30,7 +30,6 @@
 #define PCS_MUX_BITS_NAME               "pinctrl-single,bits"
 #define PCS_REG_NAME_LEN                ((sizeof(unsigned long) * 2) + 1)
 #define PCS_OFF_DISABLED                ~0U
-#define PCS_MAX_GPIO_VALUES             2
 /**
 * struct pcs_pingroup - pingroups for a function
@@ -78,16 +77,6 @@ struct pcs_function {
 };
 /**
- * struct pcs_gpio_range - pinctrl gpio range
- * @range:      subrange of the GPIO number space
- * @gpio_func:  gpio function value in the pinmux register
- */
-struct pcs_gpio_range {
-        struct pinctrl_gpio_range range;
-        int gpio_func;
-};
-/**
 * struct pcs_data - wrapper for data needed by pinctrl framework
 * @pa:         pindesc array
 * @cur:        index to current element
@@ -414,26 +403,9 @@ static void pcs_disable(struct pinctrl_dev *pctldev, unsigned fselector,
 }
 static int pcs_request_gpio(struct pinctrl_dev *pctldev,
-                            struct pinctrl_gpio_range *range, unsigned pin)
+                        struct pinctrl_gpio_range *range, unsigned offset)
 {
-        struct pcs_device *pcs = pinctrl_dev_get_drvdata(pctldev);
+        return -ENOTSUPP;
-        struct pcs_gpio_range *gpio = NULL;
-        int end, mux_bytes;
-        unsigned data;
-        gpio = container_of(range, struct pcs_gpio_range, range);
-        end = range->pin_base + range->npins - 1;
-        if (pin < range->pin_base || pin > end) {
-                dev_err(pctldev->dev,
-                        "pin %d isn't in the range of %d to %d\n",
-                        pin, range->pin_base, end);
-                return -EINVAL;
-        }
-        mux_bytes = pcs->width / BITS_PER_BYTE;
-        data = pcs->read(pcs->base + pin * mux_bytes) & ~pcs->fmask;
-        data |= gpio->gpio_func;
-        pcs->write(data, pcs->base + pin * mux_bytes);
-        return 0;
 }
 static struct pinmux_ops pcs_pinmux_ops = {
@@ -907,49 +879,6 @@ static void pcs_free_resources(struct pcs_device *pcs)
 static struct of_device_id pcs_of_match[];
-static int pcs_add_gpio_range(struct device_node *node, struct pcs_device *pcs)
-{
-        struct pcs_gpio_range *gpio;
-        struct device_node *child;
-        struct resource r;
-        const char name[] = "pinctrl-single";
-        u32 gpiores[PCS_MAX_GPIO_VALUES];
-        int ret, i = 0, mux_bytes = 0;
-        for_each_child_of_node(node, child) {
-                ret = of_address_to_resource(child, 0, &r);
-                if (ret < 0)
-                        continue;
-                memset(gpiores, 0, sizeof(u32) * PCS_MAX_GPIO_VALUES);
-                ret = of_property_read_u32_array(child, "pinctrl-single,gpio",
-                                                 gpiores, PCS_MAX_GPIO_VALUES);
-                if (ret < 0)
-                        continue;
-                gpio = devm_kzalloc(pcs->dev, sizeof(*gpio), GFP_KERNEL);
-                if (!gpio) {
-                        dev_err(pcs->dev, "failed to allocate pcs gpio\n");
-                        return -ENOMEM;
-                }
-                gpio->range.name = devm_kzalloc(pcs->dev, sizeof(name),
-                                                GFP_KERNEL);
-                if (!gpio->range.name) {
-                        dev_err(pcs->dev, "failed to allocate range name\n");
-                        return -ENOMEM;
-                }
-                memcpy((char *)gpio->range.name, name, sizeof(name));
-                gpio->range.id = i++;
-                gpio->range.base = gpiores[0];
-                gpio->gpio_func = gpiores[1];
-                mux_bytes = pcs->width / BITS_PER_BYTE;
-                gpio->range.pin_base = (r.start - pcs->res->start) / mux_bytes;
-                gpio->range.npins = (r.end - r.start) / mux_bytes + 1;
-                pinctrl_add_gpio_range(pcs->pctl, &gpio->range);
-        }
-        return 0;
-}
 static int pcs_probe(struct platform_device *pdev)
 {
        struct device_node *np = pdev->dev.of_node;
@@ -1046,10 +975,6 @@ static int pcs_probe(struct platform_device *pdev)
                goto free;
        }
-        ret = pcs_add_gpio_range(np, pcs);
-        if (ret < 0)
-                goto free;
        dev_info(pcs->dev, "%i pins at pa %p size %u\n",
                 pcs->desc.npins, pcs->base, pcs->size);
diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
index 7481146a5b47..97c2be195efc 100644
--- a/drivers/platform/x86/ibm_rtl.c
+++ b/drivers/platform/x86/ibm_rtl.c
@@ -244,7 +244,7 @@ static int __init ibm_rtl_init(void) {
        if (force)
                pr_warn("module loaded by force\n");
        /* first ensure that we are running on IBM HW */
-        else if (efi_enabled || !dmi_check_system(ibm_rtl_dmi_table))
+        else if (efi_enabled(EFI_BOOT) || !dmi_check_system(ibm_rtl_dmi_table))
                return -ENODEV;
        /* Get the address for the Extended BIOS Data Area */
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 71623a2ff3e8..d1f030053176 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -26,6 +26,7 @@
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
 #include <linux/ctype.h>
+#include <linux/efi.h>
 #include <acpi/video.h>
 /*
@@ -1544,6 +1545,9 @@ static int __init samsung_init(void)
        struct samsung_laptop *samsung;
        int ret;
+        if (efi_enabled(EFI_BOOT))
+                return -ENODEV;
        quirks = &samsung_unknown;
        if (!force && !dmi_check_system(samsung_dmi_table))
                return -ENODEV;
diff --git a/drivers/regulator/dbx500-prcmu.c b/drivers/regulator/dbx500-prcmu.c
index 261f3d2299bc..89bd2faaef8c 100644
--- a/drivers/regulator/dbx500-prcmu.c
+++ b/drivers/regulator/dbx500-prcmu.c
@@ -14,6 +14,7 @@
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 #include "dbx500-prcmu.h"
diff --git a/drivers/regulator/tps80031-regulator.c b/drivers/regulator/tps80031-regulator.c
index b15d711bc8c6..9019d0e7ecb6 100644
--- a/drivers/regulator/tps80031-regulator.c
+++ b/drivers/regulator/tps80031-regulator.c
@@ -728,7 +728,7 @@ static int tps80031_regulator_probe(struct platform_device *pdev)
                        }
                }
                rdev = regulator_register(&ri->rinfo->desc, &config);
-                if (IS_ERR_OR_NULL(rdev)) {
+                if (IS_ERR(rdev)) {
                        dev_err(&pdev->dev,
                                "register regulator failed %s\n",
                                        ri->rinfo->desc.name);
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index d73fdcfeb45a..2839baa82a5a 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -633,7 +633,7 @@ static int isci_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
                return -ENOMEM;
        pci_set_drvdata(pdev, pci_info);
-        if (efi_enabled)
+        if (efi_enabled(EFI_RUNTIME_SERVICES))
                orom = isci_get_efi_var(pdev);
        if (!orom)
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index 12526787a7c7..0abf2bf20836 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -139,6 +139,7 @@ struct imxfb_info {
        struct clk              *clk_ahb;
        struct clk              *clk_per;
        enum imxfb_type         devtype;
+        bool                    enabled;
        /*
         * These are the addresses we mapped
@@ -536,6 +537,10 @@ static void imxfb_exit_backlight(struct imxfb_info *fbi)
 static void imxfb_enable_controller(struct imxfb_info *fbi)
 {
+        if (fbi->enabled)
+                return;
        pr_debug("Enabling LCD controller\n");
        writel(fbi->screen_dma, fbi->regs + LCDC_SSA);
@@ -556,6 +561,7 @@ static void imxfb_enable_controller(struct imxfb_info *fbi)
        clk_prepare_enable(fbi->clk_ipg);
        clk_prepare_enable(fbi->clk_ahb);
        clk_prepare_enable(fbi->clk_per);
+        fbi->enabled = true;
        if (fbi->backlight_power)
                fbi->backlight_power(1);
@@ -565,6 +571,9 @@ static void imxfb_enable_controller(struct imxfb_info *fbi)
 static void imxfb_disable_controller(struct imxfb_info *fbi)
 {
+        if (!fbi->enabled)
+                return;
        pr_debug("Disabling LCD controller\n");
        if (fbi->backlight_power)
@@ -575,6 +584,7 @@ static void imxfb_disable_controller(struct imxfb_info *fbi)
        clk_disable_unprepare(fbi->clk_per);
        clk_disable_unprepare(fbi->clk_ipg);
        clk_disable_unprepare(fbi->clk_ahb);
+        fbi->enabled = false;
        writel(0, fbi->regs + LCDC_RMCR);
 }
@@ -729,6 +739,8 @@ static int __init imxfb_init_fbinfo(struct platform_device *pdev)
        memset(fbi, 0, sizeof(struct imxfb_info));
+        fbi->devtype = pdev->id_entry->driver_data;
        strlcpy(info->fix.id, IMX_NAME, sizeof(info->fix.id));
        info->fix.type                  = FB_TYPE_PACKED_PIXELS;
@@ -789,7 +801,6 @@ static int __init imxfb_probe(struct platform_device *pdev)
                return -ENOMEM;
        fbi = info->par;
-        fbi->devtype = pdev->id_entry->driver_data;
        if (!fb_mode)
                fb_mode = pdata->mode[0].mode.name;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 521e9d4424f6..a8b8adc05070 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3997,7 +3997,7 @@ again:
         * We make the other tasks wait for the flush only when we can flush
         * all things.
         */
-        if (ret && flush == BTRFS_RESERVE_FLUSH_ALL) {
+        if (ret && flush != BTRFS_RESERVE_NO_FLUSH) {
                flushing = true;
                space_info->flush = 1;
        }
@@ -5560,7 +5560,7 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
        int empty_cluster = 2 * 1024 * 1024;
        struct btrfs_space_info *space_info;
        int loop = 0;
-        int index = 0;
+        int index = __get_raid_index(data);
        int alloc_type = (data & BTRFS_BLOCK_GROUP_DATA) ?
                RESERVE_ALLOC_NO_ACCOUNT : RESERVE_ALLOC;
        bool found_uncached_bg = false;
@@ -6788,11 +6788,13 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans,
                                                       &wc->flags[level]);
                        if (ret < 0) {
                                btrfs_tree_unlock_rw(eb, path->locks[level]);
+                                path->locks[level] = 0;
                                return ret;
                        }
                        BUG_ON(wc->refs[level] == 0);
                        if (wc->refs[level] == 1) {
                                btrfs_tree_unlock_rw(eb, path->locks[level]);
+                                path->locks[level] = 0;
                                return 1;
                        }
                }
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index f169d6b11d7f..2e8cae63d247 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -171,6 +171,10 @@ static int mergable_maps(struct extent_map *prev, struct extent_map *next)
        if (test_bit(EXTENT_FLAG_COMPRESSED, &prev->flags))
                return 0;
+        if (test_bit(EXTENT_FLAG_LOGGING, &prev->flags) ||
+            test_bit(EXTENT_FLAG_LOGGING, &next->flags))
+                return 0;
        if (extent_map_end(prev) == next->start &&
            prev->flags == next->flags &&
            prev->bdev == next->bdev &&
@@ -255,7 +259,8 @@ int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len,
        if (!em)
                goto out;
-        list_move(&em->list, &tree->modified_extents);
+        if (!test_bit(EXTENT_FLAG_LOGGING, &em->flags))
+                list_move(&em->list, &tree->modified_extents);
        em->generation = gen;
        clear_bit(EXTENT_FLAG_PINNED, &em->flags);
        em->mod_start = em->start;
@@ -280,6 +285,12 @@ out:
 }
+void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em)
+{
+        clear_bit(EXTENT_FLAG_LOGGING, &em->flags);
+        try_merge_map(tree, em);
+}
 /**
 * add_extent_mapping - add new extent map to the extent tree
 * @tree:       tree to insert new map in
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 922943ce29e8..c6598c89cff8 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -69,6 +69,7 @@ void free_extent_map(struct extent_map *em);
 int __init extent_map_init(void);
 void extent_map_exit(void);
 int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len, u64 gen);
+void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em);
 struct extent_map *search_extent_mapping(struct extent_map_tree *tree,
                                         u64 start, u64 len);
 #endif
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index bd38cef42358..94aa53b38721 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -460,8 +460,8 @@ int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode,
                if (!contig)
                        offset = page_offset(bvec->bv_page) + bvec->bv_offset;
-                if (!contig && (offset >= ordered->file_offset + ordered->len ||
+                if (offset >= ordered->file_offset + ordered->len ||
-                    offset < ordered->file_offset)) {
+                    offset < ordered->file_offset) {
                        unsigned long bytes_left;
                        sums->len = this_sum_bytes;
                        this_sum_bytes = 0;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 77061bf43edb..f76b1fd160d4 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2241,6 +2241,7 @@ static int find_desired_extent(struct inode *inode, loff_t *offset, int whence)
        if (lockend <= lockstart)
                lockend = lockstart + root->sectorsize;
+        lockend--;
        len = lockend - lockstart + 1;
        len = max_t(u64, len, root->sectorsize);
@@ -2307,9 +2308,12 @@ static int find_desired_extent(struct inode *inode, loff_t *offset, int whence)
                                        }
                                }
-                                *offset = start;
+                                if (!test_bit(EXTENT_FLAG_PREALLOC,
-                                free_extent_map(em);
+                                              &em->flags)) {
-                                break;
+                                        *offset = start;
+                                        free_extent_map(em);
+                                        break;
+                                }
                        }
                }
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 59ea2e4349c9..0be7a8742a43 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1862,11 +1862,13 @@ int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group,
 {
        struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
        struct btrfs_free_space *info;
-        int ret = 0;
+        int ret;
+        bool re_search = false;
        spin_lock(&ctl->tree_lock);
 again:
+        ret = 0;
        if (!bytes)
                goto out_lock;
@@ -1879,17 +1881,17 @@ again:
                info = tree_search_offset(ctl, offset_to_bitmap(ctl, offset),
                                          1, 0);
                if (!info) {
-                        /* the tree logging code might be calling us before we
+                        /*
-                         * have fully loaded the free space rbtree for this
+                         * If we found a partial bit of our free space in a
-                         * block group.  So it is possible the entry won't
+                         * bitmap but then couldn't find the other part this may
-                         * be in the rbtree yet at all.  The caching code
+                         * be a problem, so WARN about it.
-                         * will make sure not to put it in the rbtree if
-                         * the logging code has pinned it.
                         */
+                        WARN_ON(re_search);
                        goto out_lock;
                }
        }
+        re_search = false;
        if (!info->bitmap) {
                unlink_free_space(ctl, info);
                if (offset == info->offset) {
@@ -1935,8 +1937,10 @@ again:
        }
        ret = remove_from_bitmap(ctl, info, &offset, &bytes);
-        if (ret == -EAGAIN)
+        if (ret == -EAGAIN) {
+                re_search = true;
                goto again;
+        }
        BUG_ON(ret); /* logic error */
 out_lock:
        spin_unlock(&ctl->tree_lock);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 16d9e8e191e6..cc93b23ca352 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -88,7 +88,7 @@ static unsigned char btrfs_type_by_mode[S_IFMT >> S_SHIFT] = {
        [S_IFLNK >> S_SHIFT]    = BTRFS_FT_SYMLINK,
 };
-static int btrfs_setsize(struct inode *inode, loff_t newsize);
+static int btrfs_setsize(struct inode *inode, struct iattr *attr);
 static int btrfs_truncate(struct inode *inode);
 static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent);
 static noinline int cow_file_range(struct inode *inode,
@@ -2478,6 +2478,18 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
                                continue;
                        }
                        nr_truncate++;
+                        /* 1 for the orphan item deletion. */
+                        trans = btrfs_start_transaction(root, 1);
+                        if (IS_ERR(trans)) {
+                                ret = PTR_ERR(trans);
+                                goto out;
+                        }
+                        ret = btrfs_orphan_add(trans, inode);
+                        btrfs_end_transaction(trans, root);
+                        if (ret)
+                                goto out;
                        ret = btrfs_truncate(inode);
                } else {
                        nr_unlink++;
@@ -3665,6 +3677,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size)
                                block_end - cur_offset, 0);
                if (IS_ERR(em)) {
                        err = PTR_ERR(em);
+                        em = NULL;
                        break;
                }
                last_byte = min(extent_map_end(em), block_end);
@@ -3748,16 +3761,27 @@ next:
        return err;
 }
-static int btrfs_setsize(struct inode *inode, loff_t newsize)
+static int btrfs_setsize(struct inode *inode, struct iattr *attr)
 {
        struct btrfs_root *root = BTRFS_I(inode)->root;
        struct btrfs_trans_handle *trans;
        loff_t oldsize = i_size_read(inode);
+        loff_t newsize = attr->ia_size;
+        int mask = attr->ia_valid;
        int ret;
        if (newsize == oldsize)
                return 0;
+        /*
+         * The regular truncate() case without ATTR_CTIME and ATTR_MTIME is a
+         * special case where we need to update the times despite not having
+         * these flags set.  For all other operations the VFS set these flags
+         * explicitly if it wants a timestamp update.
+         */
+        if (newsize != oldsize && (!(mask & (ATTR_CTIME | ATTR_MTIME))))
+                inode->i_ctime = inode->i_mtime = current_fs_time(inode->i_sb);
        if (newsize > oldsize) {
                truncate_pagecache(inode, oldsize, newsize);
                ret = btrfs_cont_expand(inode, oldsize, newsize);
@@ -3783,9 +3807,34 @@ static int btrfs_setsize(struct inode *inode, loff_t newsize)
                        set_bit(BTRFS_INODE_ORDERED_DATA_CLOSE,
                                &BTRFS_I(inode)->runtime_flags);
+                /*
+                 * 1 for the orphan item we're going to add
+                 * 1 for the orphan item deletion.
+                 */
+                trans = btrfs_start_transaction(root, 2);
+                if (IS_ERR(trans))
+                        return PTR_ERR(trans);
+                /*
+                 * We need to do this in case we fail at _any_ point during the
+                 * actual truncate.  Once we do the truncate_setsize we could
+                 * invalidate pages which forces any outstanding ordered io to
+                 * be instantly completed which will give us extents that need
+                 * to be truncated.  If we fail to get an orphan inode down we
+                 * could have left over extents that were never meant to live,
+                 * so we need to garuntee from this point on that everything
+                 * will be consistent.
+                 */
+                ret = btrfs_orphan_add(trans, inode);
+                btrfs_end_transaction(trans, root);
+                if (ret)
+                        return ret;
                /* we don't support swapfiles, so vmtruncate shouldn't fail */
                truncate_setsize(inode, newsize);
                ret = btrfs_truncate(inode);
+                if (ret && inode->i_nlink)
+                        btrfs_orphan_del(NULL, inode);
        }
        return ret;
@@ -3805,7 +3854,7 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr)
                return err;
        if (S_ISREG(inode->i_mode) && (attr->ia_valid & ATTR_SIZE)) {
-                err = btrfs_setsize(inode, attr->ia_size);
+                err = btrfs_setsize(inode, attr);
                if (err)
                        return err;
        }
@@ -5572,10 +5621,13 @@ struct extent_map *btrfs_get_extent_fiemap(struct inode *inode, struct page *pag
                return em;
        if (em) {
                /*
-                 * if our em maps to a hole, there might
+                 * if our em maps to
-                 * actually be delalloc bytes behind it
+                 * -  a hole or
+                 * -  a pre-alloc extent,
+                 * there might actually be delalloc bytes behind it.
                 */
-                if (em->block_start != EXTENT_MAP_HOLE)
+                if (em->block_start != EXTENT_MAP_HOLE &&
+                    !test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
                        return em;
                else
                        hole_em = em;
@@ -5657,6 +5709,8 @@ struct extent_map *btrfs_get_extent_fiemap(struct inode *inode, struct page *pag
                         */
                        em->block_start = hole_em->block_start;
                        em->block_len = hole_len;
+                        if (test_bit(EXTENT_FLAG_PREALLOC, &hole_em->flags))
+                                set_bit(EXTENT_FLAG_PREALLOC, &em->flags);
                } else {
                        em->start = range_start;
                        em->len = found;
@@ -6915,11 +6969,9 @@ static int btrfs_truncate(struct inode *inode)
        /*
         * 1 for the truncate slack space
-         * 1 for the orphan item we're going to add
-         * 1 for the orphan item deletion
         * 1 for updating the inode.
         */
-        trans = btrfs_start_transaction(root, 4);
+        trans = btrfs_start_transaction(root, 2);
        if (IS_ERR(trans)) {
                err = PTR_ERR(trans);
                goto out;
@@ -6930,12 +6982,6 @@ static int btrfs_truncate(struct inode *inode)
                                      min_size);
        BUG_ON(ret);
-        ret = btrfs_orphan_add(trans, inode);
-        if (ret) {
-                btrfs_end_transaction(trans, root);
-                goto out;
-        }
        /*
         * setattr is responsible for setting the ordered_data_close flag,
         * but that is only tested during the last file release.  That
@@ -7004,12 +7050,6 @@ static int btrfs_truncate(struct inode *inode)
                ret = btrfs_orphan_del(trans, inode);
                if (ret)
                        err = ret;
-        } else if (ret && inode->i_nlink > 0) {
-                /*
-                 * Failed to do the truncate, remove us from the in memory
-                 * orphan list.
-                 */
-                ret = btrfs_orphan_del(NULL, inode);
        }
        if (trans) {
@@ -7531,41 +7571,61 @@ void btrfs_wait_and_free_delalloc_work(struct btrfs_delalloc_work *work)
 */
 int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput)
 {
-        struct list_head *head = &root->fs_info->delalloc_inodes;
        struct btrfs_inode *binode;
        struct inode *inode;
        struct btrfs_delalloc_work *work, *next;
        struct list_head works;
+        struct list_head splice;
        int ret = 0;
        if (root->fs_info->sb->s_flags & MS_RDONLY)
                return -EROFS;
        INIT_LIST_HEAD(&works);
+        INIT_LIST_HEAD(&splice);
+again:
        spin_lock(&root->fs_info->delalloc_lock);
-        while (!list_empty(head)) {
+        list_splice_init(&root->fs_info->delalloc_inodes, &splice);
-                binode = list_entry(head->next, struct btrfs_inode,
+        while (!list_empty(&splice)) {
+                binode = list_entry(splice.next, struct btrfs_inode,
                                    delalloc_inodes);
+                list_del_init(&binode->delalloc_inodes);
                inode = igrab(&binode->vfs_inode);
                if (!inode)
-                        list_del_init(&binode->delalloc_inodes);
+                        continue;
+                list_add_tail(&binode->delalloc_inodes,
+                              &root->fs_info->delalloc_inodes);
                spin_unlock(&root->fs_info->delalloc_lock);
-                if (inode) {
-                        work = btrfs_alloc_delalloc_work(inode, 0, delay_iput);
+                work = btrfs_alloc_delalloc_work(inode, 0, delay_iput);
-                        if (!work) {
+                if (unlikely(!work)) {
-                                ret = -ENOMEM;
+                        ret = -ENOMEM;
-                                goto out;
+                        goto out;
-                        }
-                        list_add_tail(&work->list, &works);
-                        btrfs_queue_worker(&root->fs_info->flush_workers,
-                                           &work->work);
                }
+                list_add_tail(&work->list, &works);
+                btrfs_queue_worker(&root->fs_info->flush_workers,
+                                   &work->work);
                cond_resched();
                spin_lock(&root->fs_info->delalloc_lock);
        }
        spin_unlock(&root->fs_info->delalloc_lock);
+        list_for_each_entry_safe(work, next, &works, list) {
+                list_del_init(&work->list);
+                btrfs_wait_and_free_delalloc_work(work);
+        }
+        spin_lock(&root->fs_info->delalloc_lock);
+        if (!list_empty(&root->fs_info->delalloc_inodes)) {
+                spin_unlock(&root->fs_info->delalloc_lock);
+                goto again;
+        }
+        spin_unlock(&root->fs_info->delalloc_lock);
        /* the filemap_flush will queue IO into the worker threads, but
         * we have to make sure the IO is actually started and that
         * ordered extents get created before we return
@@ -7578,11 +7638,18 @@ int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput)
                    atomic_read(&root->fs_info->async_delalloc_pages) == 0));
        }
        atomic_dec(&root->fs_info->async_submit_draining);
+        return 0;
 out:
        list_for_each_entry_safe(work, next, &works, list) {
                list_del_init(&work->list);
                btrfs_wait_and_free_delalloc_work(work);
        }
+        if (!list_empty_careful(&splice)) {
+                spin_lock(&root->fs_info->delalloc_lock);
+                list_splice_tail(&splice, &root->fs_info->delalloc_inodes);
+                spin_unlock(&root->fs_info->delalloc_lock);
+        }
        return ret;
 }
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 4b4516770f05..5b22d45d3c6a 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1339,7 +1339,8 @@ static noinline int btrfs_ioctl_resize(struct file *file,
        if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,
                        1)) {
                pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
-                return -EINPROGRESS;
+                mnt_drop_write_file(file);
+                return -EINVAL;
        }
        mutex_lock(&root->fs_info->volume_mutex);
@@ -1362,6 +1363,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
                printk(KERN_INFO "btrfs: resizing devid %llu\n",
                       (unsigned long long)devid);
        }
        device = btrfs_find_device(root->fs_info, devid, NULL, NULL);
        if (!device) {
                printk(KERN_INFO "btrfs: resizer unable to find device %llu\n",
@@ -1369,9 +1371,10 @@ static noinline int btrfs_ioctl_resize(struct file *file,
                ret = -EINVAL;
                goto out_free;
        }
-        if (device->fs_devices && device->fs_devices->seeding) {
+        if (!device->writeable) {
                printk(KERN_INFO "btrfs: resizer unable to apply on "
-                       "seeding device %llu\n",
+                       "readonly device %llu\n",
                       (unsigned long long)devid);
                ret = -EINVAL;
                goto out_free;
@@ -1443,8 +1446,8 @@ out_free:
        kfree(vol_args);
 out:
        mutex_unlock(&root->fs_info->volume_mutex);
-        mnt_drop_write_file(file);
        atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0);
+        mnt_drop_write_file(file);
        return ret;
 }
@@ -2095,13 +2098,13 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file,
                err = inode_permission(inode, MAY_WRITE | MAY_EXEC);
                if (err)
                        goto out_dput;
-                /* check if subvolume may be deleted by a non-root user */
-                err = btrfs_may_delete(dir, dentry, 1);
-                if (err)
-                        goto out_dput;
        }
+        /* check if subvolume may be deleted by a user */
+        err = btrfs_may_delete(dir, dentry, 1);
+        if (err)
+                goto out_dput;
        if (btrfs_ino(inode) != BTRFS_FIRST_FREE_OBJECTID) {
                err = -EINVAL;
                goto out_dput;
@@ -2183,19 +2186,20 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
        struct btrfs_ioctl_defrag_range_args *range;
        int ret;
-        if (btrfs_root_readonly(root))
+        ret = mnt_want_write_file(file);
-                return -EROFS;
+        if (ret)
+                return ret;
        if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,
                        1)) {
                pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
-                return -EINPROGRESS;
+                mnt_drop_write_file(file);
+                return -EINVAL;
        }
-        ret = mnt_want_write_file(file);
-        if (ret) {
+        if (btrfs_root_readonly(root)) {
-                atomic_set(&root->fs_info->mutually_exclusive_operation_running,
+                ret = -EROFS;
-                           0);
+                goto out;
-                return ret;
        }
        switch (inode->i_mode & S_IFMT) {
@@ -2247,8 +2251,8 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
                ret = -EINVAL;
        }
 out:
-        mnt_drop_write_file(file);
        atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0);
+        mnt_drop_write_file(file);
        return ret;
 }
@@ -2263,7 +2267,7 @@ static long btrfs_ioctl_add_dev(struct btrfs_root *root, void __user *arg)
        if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,
                        1)) {
                pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
-                return -EINPROGRESS;
+                return -EINVAL;
        }
        mutex_lock(&root->fs_info->volume_mutex);
@@ -2300,7 +2304,7 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg)
                        1)) {
                pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
                mnt_drop_write_file(file);
-                return -EINPROGRESS;
+                return -EINVAL;
        }
        mutex_lock(&root->fs_info->volume_mutex);
@@ -2316,8 +2320,8 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg)
        kfree(vol_args);
 out:
        mutex_unlock(&root->fs_info->volume_mutex);
-        mnt_drop_write_file(file);
        atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0);
+        mnt_drop_write_file(file);
        return ret;
 }
@@ -3437,8 +3441,8 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg)
        struct btrfs_fs_info *fs_info = root->fs_info;
        struct btrfs_ioctl_balance_args *bargs;
        struct btrfs_balance_control *bctl;
+        bool need_unlock; /* for mut. excl. ops lock */
        int ret;
-        int need_to_clear_lock = 0;
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
@@ -3447,14 +3451,61 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg)
        if (ret)
                return ret;
-        mutex_lock(&fs_info->volume_mutex);
+again:
+        if (!atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1)) {
+                mutex_lock(&fs_info->volume_mutex);
+                mutex_lock(&fs_info->balance_mutex);
+                need_unlock = true;
+                goto locked;
+        }
+        /*
+         * mut. excl. ops lock is locked.  Three possibilites:
+         *   (1) some other op is running
+         *   (2) balance is running
+         *   (3) balance is paused -- special case (think resume)
+         */
        mutex_lock(&fs_info->balance_mutex);
+        if (fs_info->balance_ctl) {
+                /* this is either (2) or (3) */
+                if (!atomic_read(&fs_info->balance_running)) {
+                        mutex_unlock(&fs_info->balance_mutex);
+                        if (!mutex_trylock(&fs_info->volume_mutex))
+                                goto again;
+                        mutex_lock(&fs_info->balance_mutex);
+                        if (fs_info->balance_ctl &&
+                            !atomic_read(&fs_info->balance_running)) {
+                                /* this is (3) */
+                                need_unlock = false;
+                                goto locked;
+                        }
+                        mutex_unlock(&fs_info->balance_mutex);
+                        mutex_unlock(&fs_info->volume_mutex);
+                        goto again;
+                } else {
+                        /* this is (2) */
+                        mutex_unlock(&fs_info->balance_mutex);
+                        ret = -EINPROGRESS;
+                        goto out;
+                }
+        } else {
+                /* this is (1) */
+                mutex_unlock(&fs_info->balance_mutex);
+                pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
+                ret = -EINVAL;
+                goto out;
+        }
+locked:
+        BUG_ON(!atomic_read(&fs_info->mutually_exclusive_operation_running));
        if (arg) {
                bargs = memdup_user(arg, sizeof(*bargs));
                if (IS_ERR(bargs)) {
                        ret = PTR_ERR(bargs);
-                        goto out;
+                        goto out_unlock;
                }
                if (bargs->flags & BTRFS_BALANCE_RESUME) {
@@ -3474,13 +3525,10 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg)
                bargs = NULL;
        }
-        if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,
+        if (fs_info->balance_ctl) {
-                        1)) {
-                pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
                ret = -EINPROGRESS;
                goto out_bargs;
        }
-        need_to_clear_lock = 1;
        bctl = kzalloc(sizeof(*bctl), GFP_NOFS);
        if (!bctl) {
@@ -3501,11 +3549,17 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg)
        }
 do_balance:
-        ret = btrfs_balance(bctl, bargs);
        /*
-         * bctl is freed in __cancel_balance or in free_fs_info if
+         * Ownership of bctl and mutually_exclusive_operation_running
-         * restriper was paused all the way until unmount
+         * goes to to btrfs_balance.  bctl is freed in __cancel_balance,
+         * or, if restriper was paused all the way until unmount, in
+         * free_fs_info.  mutually_exclusive_operation_running is
+         * cleared in __cancel_balance.
         */
+        need_unlock = false;
+        ret = btrfs_balance(bctl, bargs);
        if (arg) {
                if (copy_to_user(arg, bargs, sizeof(*bargs)))
                        ret = -EFAULT;
@@ -3513,12 +3567,12 @@ do_balance:
 out_bargs:
        kfree(bargs);
-out:
+out_unlock:
-        if (need_to_clear_lock)
-                atomic_set(&root->fs_info->mutually_exclusive_operation_running,
-                           0);
        mutex_unlock(&fs_info->balance_mutex);
        mutex_unlock(&fs_info->volume_mutex);
+        if (need_unlock)
+                atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
+out:
        mnt_drop_write_file(file);
        return ret;
 }
@@ -3698,6 +3752,11 @@ static long btrfs_ioctl_qgroup_create(struct file *file, void __user *arg)
                goto drop_write;
        }
+        if (!sa->qgroupid) {
+                ret = -EINVAL;
+                goto out;
+        }
        trans = btrfs_join_transaction(root);
        if (IS_ERR(trans)) {
                ret = PTR_ERR(trans);
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index fe9d02c45f8e..a5c856234323 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -379,6 +379,13 @@ next1:
                ret = add_relation_rb(fs_info, found_key.objectid,
                                      found_key.offset);
+                if (ret == -ENOENT) {
+                        printk(KERN_WARNING
+                                "btrfs: orphan qgroup relation 0x%llx->0x%llx\n",
+                                (unsigned long long)found_key.objectid,
+                                (unsigned long long)found_key.offset);
+                        ret = 0;        /* ignore the error */
+                }
                if (ret)
                        goto out;
 next2:
@@ -956,17 +963,28 @@ int btrfs_remove_qgroup(struct btrfs_trans_handle *trans,
                        struct btrfs_fs_info *fs_info, u64 qgroupid)
 {
        struct btrfs_root *quota_root;
+        struct btrfs_qgroup *qgroup;
        int ret = 0;
        quota_root = fs_info->quota_root;
        if (!quota_root)
                return -EINVAL;
+        /* check if there are no relations to this qgroup */
+        spin_lock(&fs_info->qgroup_lock);
+        qgroup = find_qgroup_rb(fs_info, qgroupid);
+        if (qgroup) {
+                if (!list_empty(&qgroup->groups) || !list_empty(&qgroup->members)) {
+                        spin_unlock(&fs_info->qgroup_lock);
+                        return -EBUSY;
+                }
+        }
+        spin_unlock(&fs_info->qgroup_lock);
        ret = del_qgroup_item(trans, quota_root, qgroupid);
        spin_lock(&fs_info->qgroup_lock);
        del_qgroup_rb(quota_root->fs_info, qgroupid);
        spin_unlock(&fs_info->qgroup_lock);
        return ret;
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 54454542ad40..321b7fb4e441 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1814,8 +1814,10 @@ static int name_cache_insert(struct send_ctx *sctx,
                        (unsigned long)nce->ino);
        if (!nce_head) {
                nce_head = kmalloc(sizeof(*nce_head), GFP_NOFS);
-                if (!nce_head)
+                if (!nce_head) {
+                        kfree(nce);
                        return -ENOMEM;
+                }
                INIT_LIST_HEAD(nce_head);
                ret = radix_tree_insert(&sctx->name_cache, nce->ino, nce_head);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 99545df1b86c..d8982e9601d3 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -267,7 +267,7 @@ void __btrfs_abort_transaction(struct btrfs_trans_handle *trans,
                             function, line, errstr);
                return;
        }
-        trans->transaction->aborted = errno;
+        ACCESS_ONCE(trans->transaction->aborted) = errno;
        __btrfs_std_error(root->fs_info, function, line, errno, NULL);
 }
 /*
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 87fac9a21ea5..f15494699f3b 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1468,7 +1468,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
                goto cleanup_transaction;
        }
-        if (cur_trans->aborted) {
+        /* Stop the commit early if ->aborted is set */
+        if (unlikely(ACCESS_ONCE(cur_trans->aborted))) {
                ret = cur_trans->aborted;
                goto cleanup_transaction;
        }
@@ -1574,6 +1575,11 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
        wait_event(cur_trans->writer_wait,
                   atomic_read(&cur_trans->num_writers) == 1);
+        /* ->aborted might be set after the previous check, so check it */
+        if (unlikely(ACCESS_ONCE(cur_trans->aborted))) {
+                ret = cur_trans->aborted;
+                goto cleanup_transaction;
+        }
        /*
         * the reloc mutex makes sure that we stop
         * the balancing code from coming in and moving
@@ -1657,6 +1663,17 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
                goto cleanup_transaction;
        }
+        /*
+         * The tasks which save the space cache and inode cache may also
+         * update ->aborted, check it.
+         */
+        if (unlikely(ACCESS_ONCE(cur_trans->aborted))) {
+                ret = cur_trans->aborted;
+                mutex_unlock(&root->fs_info->tree_log_mutex);
+                mutex_unlock(&root->fs_info->reloc_mutex);
+                goto cleanup_transaction;
+        }
        btrfs_prepare_extent_commit(trans, root);
        cur_trans = root->fs_info->running_transaction;
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 83186c7e45d4..9027bb1e7466 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3357,6 +3357,11 @@ static int log_one_extent(struct btrfs_trans_handle *trans,
        if (skip_csum)
                return 0;
+        if (em->compress_type) {
+                csum_offset = 0;
+                csum_len = block_len;
+        }
        /* block start is already adjusted for the file extent offset. */
        ret = btrfs_lookup_csums_range(log->fs_info->csum_root,
                                       em->block_start + csum_offset,
@@ -3410,13 +3415,13 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans,
                em = list_entry(extents.next, struct extent_map, list);
                list_del_init(&em->list);
-                clear_bit(EXTENT_FLAG_LOGGING, &em->flags);
                /*
                 * If we had an error we just need to delete everybody from our
                 * private list.
                 */
                if (ret) {
+                        clear_em_logging(tree, em);
                        free_extent_map(em);
                        continue;
                }
@@ -3424,8 +3429,9 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans,
                write_unlock(&tree->lock);
                ret = log_one_extent(trans, inode, root, em, path);
-                free_extent_map(em);
                write_lock(&tree->lock);
+                clear_em_logging(tree, em);
+                free_extent_map(em);
        }
        WARN_ON(!list_empty(&extents));
        write_unlock(&tree->lock);
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 5cce6aa74012..15f6efdf6463 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1431,7 +1431,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
                }
        } else {
                ret = btrfs_get_bdev_and_sb(device_path,
-                                            FMODE_READ | FMODE_EXCL,
+                                            FMODE_WRITE | FMODE_EXCL,
                                            root->fs_info->bdev_holder, 0,
                                            &bdev, &bh);
                if (ret)
@@ -2614,7 +2614,14 @@ static int chunk_usage_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset,
        cache = btrfs_lookup_block_group(fs_info, chunk_offset);
        chunk_used = btrfs_block_group_used(&cache->item);
-        user_thresh = div_factor_fine(cache->key.offset, bargs->usage);
+        if (bargs->usage == 0)
+                user_thresh = 0;
+        else if (bargs->usage > 100)
+                user_thresh = cache->key.offset;
+        else
+                user_thresh = div_factor_fine(cache->key.offset,
+                                              bargs->usage);
        if (chunk_used < user_thresh)
                ret = 0;
@@ -2959,6 +2966,8 @@ static void __cancel_balance(struct btrfs_fs_info *fs_info)
        unset_balance_control(fs_info);
        ret = del_balance_item(fs_info->tree_root);
        BUG_ON(ret);
+        atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
 }
 void update_ioctl_balance_args(struct btrfs_fs_info *fs_info, int lock,
@@ -3138,8 +3147,10 @@ int btrfs_balance(struct btrfs_balance_control *bctl,
 out:
        if (bctl->flags & BTRFS_BALANCE_RESUME)
                __cancel_balance(fs_info);
-        else
+        else {
                kfree(bctl);
+                atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
+        }
        return ret;
 }
@@ -3156,7 +3167,6 @@ static int balance_kthread(void *data)
                ret = btrfs_balance(fs_info->balance_ctl, NULL);
        }
-        atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
        mutex_unlock(&fs_info->balance_mutex);
        mutex_unlock(&fs_info->volume_mutex);
@@ -3179,7 +3189,6 @@ int btrfs_resume_balance_async(struct btrfs_fs_info *fs_info)
                return 0;
        }
-        WARN_ON(atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1));
        tsk = kthread_run(balance_kthread, fs_info, "btrfs-balance");
        if (IS_ERR(tsk))
                return PTR_ERR(tsk);
@@ -3233,6 +3242,8 @@ int btrfs_recover_balance(struct btrfs_fs_info *fs_info)
        btrfs_balance_sys(leaf, item, &disk_bargs);
        btrfs_disk_balance_args_to_cpu(&bctl->sys, &disk_bargs);
+        WARN_ON(atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1));
        mutex_lock(&fs_info->volume_mutex);
        mutex_lock(&fs_info->balance_mutex);
@@ -3496,7 +3507,7 @@ struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
        { 1, 1, 2, 2, 2, 2 /* raid1 */ },
        { 1, 2, 1, 1, 1, 2 /* dup */ },
        { 1, 1, 0, 2, 1, 1 /* raid0 */ },
-        { 1, 1, 0, 1, 1, 1 /* single */ },
+        { 1, 1, 1, 1, 1, 1 /* single */ },
 };
 static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index ce5cbd717bfc..210fce2df308 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -226,6 +226,8 @@ compose_mount_options_out:
 compose_mount_options_err:
        kfree(mountdata);
        mountdata = ERR_PTR(rc);
+        kfree(*devname);
+        *devname = NULL;
        goto compose_mount_options_out;
 }
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 17c3643e5950..12b3da39733b 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1917,7 +1917,7 @@ srcip_matches(struct sockaddr *srcaddr, struct sockaddr *rhs)
        }
        case AF_INET6: {
                struct sockaddr_in6 *saddr6 = (struct sockaddr_in6 *)srcaddr;
-                struct sockaddr_in6 *vaddr6 = (struct sockaddr_in6 *)&rhs;
+                struct sockaddr_in6 *vaddr6 = (struct sockaddr_in6 *)rhs;
                return ipv6_addr_equal(&saddr6->sin6_addr, &vaddr6->sin6_addr);
        }
        default:
diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index b906ed17a839..9802de0f85e6 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -281,6 +281,7 @@ static void gdlm_put_lock(struct gfs2_glock *gl)
 {
        struct gfs2_sbd *sdp = gl->gl_sbd;
        struct lm_lockstruct *ls = &sdp->sd_lockstruct;
+        int lvb_needs_unlock = 0;
        int error;
        if (gl->gl_lksb.sb_lkid == 0) {
@@ -294,8 +295,12 @@ static void gdlm_put_lock(struct gfs2_glock *gl)
        gfs2_update_request_times(gl);
        /* don't want to skip dlm_unlock writing the lvb when lock is ex */
+        if (gl->gl_lksb.sb_lvbptr && (gl->gl_state == LM_ST_EXCLUSIVE))
+                lvb_needs_unlock = 1;
        if (test_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags) &&
-            gl->gl_lksb.sb_lvbptr && (gl->gl_state != LM_ST_EXCLUSIVE)) {
+            !lvb_needs_unlock) {
                gfs2_glock_free(gl);
                return;
        }
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 4111a40ebe1a..5f707e537171 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -86,11 +86,11 @@ xfs_destroy_ioend(
        }
        if (ioend->io_iocb) {
+                inode_dio_done(ioend->io_inode);
                if (ioend->io_isasync) {
                        aio_complete(ioend->io_iocb, ioend->io_error ?
                                        ioend->io_error : ioend->io_result, 0);
                }
-                inode_dio_done(ioend->io_inode);
        }
        mempool_free(ioend, xfs_ioend_pool);
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 0e92d12765d2..cdb2d3348583 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -4680,9 +4680,6 @@ __xfs_bmapi_allocate(
                        return error;
        }
-        if (bma->flags & XFS_BMAPI_STACK_SWITCH)
-                bma->stack_switch = 1;
        error = xfs_bmap_alloc(bma);
        if (error)
                return error;
@@ -4956,6 +4953,9 @@ xfs_bmapi_write(
        bma.flist = flist;
        bma.firstblock = firstblock;
+        if (flags & XFS_BMAPI_STACK_SWITCH)
+                bma.stack_switch = 1;
        while (bno < end && n < *nmap) {
                inhole = eof || bma.got.br_startoff > bno;
                wasdelay = !inhole && isnullstartblock(bma.got.br_startblock);
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 56d1614760cf..fbbb9eb92e32 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -487,6 +487,7 @@ _xfs_buf_find(
        struct rb_node          *parent;
        xfs_buf_t               *bp;
        xfs_daddr_t             blkno = map[0].bm_bn;
+        xfs_daddr_t             eofs;
        int                     numblks = 0;
        int                     i;
@@ -498,6 +499,23 @@ _xfs_buf_find(
        ASSERT(!(numbytes < (1 << btp->bt_sshift)));
        ASSERT(!(BBTOB(blkno) & (xfs_off_t)btp->bt_smask));
+        /*
+         * Corrupted block numbers can get through to here, unfortunately, so we
+         * have to check that the buffer falls within the filesystem bounds.
+         */
+        eofs = XFS_FSB_TO_BB(btp->bt_mount, btp->bt_mount->m_sb.sb_dblocks);
+        if (blkno >= eofs) {
+                /*
+                 * XXX (dgc): we should really be returning EFSCORRUPTED here,
+                 * but none of the higher level infrastructure supports
+                 * returning a specific error on buffer lookup failures.
+                 */
+                xfs_alert(btp->bt_mount,
+                          "%s: Block out of range: block 0x%llx, EOFS 0x%llx ",
+                          __func__, blkno, eofs);
+                return NULL;
+        }
        /* get tree root */
        pag = xfs_perag_get(btp->bt_mount,
                                xfs_daddr_to_agno(btp->bt_mount, blkno));
@@ -1487,6 +1505,8 @@ restart:
        while (!list_empty(&btp->bt_lru)) {
                bp = list_first_entry(&btp->bt_lru, struct xfs_buf, b_lru);
                if (atomic_read(&bp->b_hold) > 1) {
+                        trace_xfs_buf_wait_buftarg(bp, _RET_IP_);
+                        list_move_tail(&bp->b_lru, &btp->bt_lru);
                        spin_unlock(&btp->bt_lru_lock);
                        delay(100);
                        goto restart;
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 77b09750e92c..3f9949fee391 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -652,7 +652,10 @@ xfs_buf_item_unlock(
        /*
         * If the buf item isn't tracking any data, free it, otherwise drop the
-         * reference we hold to it.
+         * reference we hold to it. If we are aborting the transaction, this may
+         * be the only reference to the buf item, so we free it anyway
+         * regardless of whether it is dirty or not. A dirty abort implies a
+         * shutdown, anyway.
         */
        clean = 1;
        for (i = 0; i < bip->bli_format_count; i++) {
@@ -664,7 +667,12 @@ xfs_buf_item_unlock(
        }
        if (clean)
                xfs_buf_item_relse(bp);
-        else
+        else if (aborted) {
+                if (atomic_dec_and_test(&bip->bli_refcount)) {
+                        ASSERT(XFS_FORCED_SHUTDOWN(lip->li_mountp));
+                        xfs_buf_item_relse(bp);
+                }
+        } else
                atomic_dec(&bip->bli_refcount);
        if (!hold)
diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c
index d0e9c74d3d96..a8bd26b82ecb 100644
--- a/fs/xfs/xfs_dfrag.c
+++ b/fs/xfs/xfs_dfrag.c
@@ -246,10 +246,10 @@ xfs_swap_extents(
                goto out_unlock;
        }
-        error = -filemap_write_and_wait(VFS_I(ip)->i_mapping);
+        error = -filemap_write_and_wait(VFS_I(tip)->i_mapping);
        if (error)
                goto out_unlock;
-        truncate_pagecache_range(VFS_I(ip), 0, -1);
+        truncate_pagecache_range(VFS_I(tip), 0, -1);
        /* Verify O_DIRECT for ftmp */
        if (VN_CACHED(VFS_I(tip)) != 0) {
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index add06b4e9a63..364818eef40e 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -351,6 +351,15 @@ xfs_iomap_prealloc_size(
                }
                if (shift)
                        alloc_blocks >>= shift;
+                /*
+                 * If we are still trying to allocate more space than is
+                 * available, squash the prealloc hard. This can happen if we
+                 * have a large file on a small filesystem and the above
+                 * lowspace thresholds are smaller than MAXEXTLEN.
+                 */
+                while (alloc_blocks >= freesp)
+                        alloc_blocks >>= 4;
        }
        if (alloc_blocks < mp->m_writeio_blocks)
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index da508463ff10..7d6df7c00c36 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -658,7 +658,7 @@ xfs_sb_quiet_read_verify(
                return;
        }
        /* quietly fail */
-        xfs_buf_ioerror(bp, EFSCORRUPTED);
+        xfs_buf_ioerror(bp, EWRONGFS);
 }
 static void
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 2e137d4a85ae..16a812977eab 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -341,6 +341,7 @@ DEFINE_BUF_EVENT(xfs_buf_item_relse);
 DEFINE_BUF_EVENT(xfs_buf_item_iodone);
 DEFINE_BUF_EVENT(xfs_buf_item_iodone_async);
 DEFINE_BUF_EVENT(xfs_buf_error_relse);
+DEFINE_BUF_EVENT(xfs_buf_wait_buftarg);
 DEFINE_BUF_EVENT(xfs_trans_read_buf_io);
 DEFINE_BUF_EVENT(xfs_trans_read_buf_shut);
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 8a7096fcb01e..66346521cb65 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -161,6 +161,15 @@ clockevents_calc_mult_shift(struct clock_event_device *ce, u32 freq, u32 minsec)
 extern void clockevents_suspend(void);
 extern void clockevents_resume(void);
+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
+#ifdef CONFIG_ARCH_HAS_TICK_BROADCAST
+extern void tick_broadcast(const struct cpumask *mask);
+#else
+#define tick_broadcast  NULL
+#endif
+extern int tick_receive_broadcast(void);
+#endif
 #ifdef CONFIG_GENERIC_CLOCKEVENTS
 extern void clockevents_notify(unsigned long reason, void *arg);
 #else
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 8b84916dc671..7a9498ab3c2d 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -618,18 +618,30 @@ extern int __init efi_setup_pcdp_console(char *);
 #endif
 /*
- * We play games with efi_enabled so that the compiler will, if possible, remove
+ * We play games with efi_enabled so that the compiler will, if
- * EFI-related code altogether.
+ * possible, remove EFI-related code altogether.
 */
+#define EFI_BOOT                0       /* Were we booted from EFI? */
+#define EFI_SYSTEM_TABLES       1       /* Can we use EFI system tables? */
+#define EFI_CONFIG_TABLES       2       /* Can we use EFI config tables? */
+#define EFI_RUNTIME_SERVICES    3       /* Can we use runtime services? */
+#define EFI_MEMMAP              4       /* Can we use EFI memory map? */
+#define EFI_64BIT               5       /* Is the firmware 64-bit? */
 #ifdef CONFIG_EFI
 # ifdef CONFIG_X86
-   extern int efi_enabled;
+extern int efi_enabled(int facility);
-   extern bool efi_64bit;
 # else
-#  define efi_enabled 1
+static inline int efi_enabled(int facility)
+{
+        return 1;
+}
 # endif
 #else
-# define efi_enabled 0
+static inline int efi_enabled(int facility)
+{
+        return 0;
+}
 #endif
 /*
diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
index 2138bd33021a..e53dcfeaee69 100644
--- a/include/linux/mfd/abx500.h
+++ b/include/linux/mfd/abx500.h
@@ -272,8 +272,6 @@ struct abx500_bm_data {
        const struct abx500_fg_parameters *fg_params;
 };
-extern struct abx500_bm_data ab8500_bm_data;
 enum {
        NTC_EXTERNAL = 0,
        NTC_INTERNAL,
diff --git a/include/linux/mfd/abx500/ab8500-bm.h b/include/linux/mfd/abx500/ab8500-bm.h
index 44310c98ee6e..9bd037df97d9 100644
--- a/include/linux/mfd/abx500/ab8500-bm.h
+++ b/include/linux/mfd/abx500/ab8500-bm.h
@@ -422,7 +422,10 @@ struct ab8500_chargalg_platform_data {
 struct ab8500_btemp;
 struct ab8500_gpadc;
 struct ab8500_fg;
 #ifdef CONFIG_AB8500_BM
+extern struct abx500_bm_data ab8500_bm_data;
 void ab8500_fg_reinit(void);
 void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA);
 struct ab8500_btemp *ab8500_btemp_get(void);
@@ -434,31 +437,7 @@ int ab8500_fg_inst_curr_finalize(struct ab8500_fg *di, int *res);
 int ab8500_fg_inst_curr_done(struct ab8500_fg *di);
 #else
-int ab8500_fg_inst_curr_done(struct ab8500_fg *di)
+static struct abx500_bm_data ab8500_bm_data;
-{
-}
-static void ab8500_fg_reinit(void)
-{
-}
-static void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA)
-{
-}
-static struct ab8500_btemp *ab8500_btemp_get(void)
-{
-        return NULL;
-}
-static int ab8500_btemp_get_batctrl_temp(struct ab8500_btemp *btemp)
-{
-        return 0;
-}
-struct ab8500_fg *ab8500_fg_get(void)
-{
-        return NULL;
-}
-static int ab8500_fg_inst_curr_blocking(struct ab8500_fg *dev)
-{
-        return -ENODEV;
-}
 static inline int ab8500_fg_inst_curr_start(struct ab8500_fg *di)
 {
diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h
index 86dd93de6ff2..786d02eb79d2 100644
--- a/include/linux/mfd/da9052/da9052.h
+++ b/include/linux/mfd/da9052/da9052.h
@@ -99,6 +99,9 @@ struct da9052 {
        u8 chip_id;
        int chip_irq;
+        /* SOC I/O transfer related fixes for DA9052/53 */
+        int (*fix_io) (struct da9052 *da9052, unsigned char reg);
 };
 /* ADC API */
@@ -113,32 +116,87 @@ static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg)
        ret = regmap_read(da9052->regmap, reg, &val);
        if (ret < 0)
                return ret;
+        if (da9052->fix_io) {
+                ret = da9052->fix_io(da9052, reg);
+                if (ret < 0)
+                        return ret;
+        }
        return val;
 }
 static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg,
                                    unsigned char val)
 {
-        return regmap_write(da9052->regmap, reg, val);
+        int ret;
+        ret = regmap_write(da9052->regmap, reg, val);
+        if (ret < 0)
+                return ret;
+        if (da9052->fix_io) {
+                ret = da9052->fix_io(da9052, reg);
+                if (ret < 0)
+                        return ret;
+        }
+        return ret;
 }
 static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg,
                                     unsigned reg_cnt, unsigned char *val)
 {
-        return regmap_bulk_read(da9052->regmap, reg, val, reg_cnt);
+        int ret;
+        ret = regmap_bulk_read(da9052->regmap, reg, val, reg_cnt);
+        if (ret < 0)
+                return ret;
+        if (da9052->fix_io) {
+                ret = da9052->fix_io(da9052, reg);
+                if (ret < 0)
+                        return ret;
+        }
+        return ret;
 }
 static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
                                      unsigned reg_cnt, unsigned char *val)
 {
-        return regmap_raw_write(da9052->regmap, reg, val, reg_cnt);
+        int ret;
+        ret = regmap_raw_write(da9052->regmap, reg, val, reg_cnt);
+        if (ret < 0)
+                return ret;
+        if (da9052->fix_io) {
+                ret = da9052->fix_io(da9052, reg);
+                if (ret < 0)
+                        return ret;
+        }
+        return ret;
 }
 static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg,
                                     unsigned char bit_mask,
                                     unsigned char reg_val)
 {
-        return regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
+        int ret;
+        ret = regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
+        if (ret < 0)
+                return ret;
+        if (da9052->fix_io) {
+                ret = da9052->fix_io(da9052, reg);
+                if (ret < 0)
+                        return ret;
+        }
+        return ret;
 }
 int da9052_device_init(struct da9052 *da9052, u8 chip_id);
diff --git a/include/linux/mfd/da9052/reg.h b/include/linux/mfd/da9052/reg.h
index b97f7309d7f6..c4dd3a8add21 100644
--- a/include/linux/mfd/da9052/reg.h
+++ b/include/linux/mfd/da9052/reg.h
@@ -34,6 +34,9 @@
 #define DA9052_STATUS_C_REG             3
 #define DA9052_STATUS_D_REG             4
+/* PARK REGISTER */
+#define DA9052_PARK_REGISTER            DA9052_STATUS_D_REG
 /* EVENT REGISTERS */
 #define DA9052_EVENT_A_REG              5
 #define DA9052_EVENT_B_REG              6
diff --git a/include/linux/mfd/rtsx_common.h b/include/linux/mfd/rtsx_common.h
index a8d393e3066b..2b13970596f5 100644
--- a/include/linux/mfd/rtsx_common.h
+++ b/include/linux/mfd/rtsx_common.h
@@ -38,6 +38,9 @@
 #define RTSX_SD_CARD                    0
 #define RTSX_MS_CARD                    1
+#define CLK_TO_DIV_N                    0
+#define DIV_N_TO_CLK                    1
 struct platform_device;
 struct rtsx_slot {
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index 060b721fcbfb..4b117a3f54d4 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -158,10 +158,9 @@
 #define SG_TRANS_DATA           (0x02 << 4)
 #define SG_LINK_DESC            (0x03 << 4)
-/* SD bank voltage */
+/* Output voltage */
-#define SD_IO_3V3               0
+#define OUTPUT_3V3              0
-#define SD_IO_1V8               1
+#define OUTPUT_1V8              1
 /* Card Clock Enable Register */
 #define SD_CLK_EN                       0x04
@@ -201,6 +200,20 @@
 #define CHANGE_CLK                      0x01
 /* LDO_CTL */
+#define BPP_ASIC_1V7                    0x00
+#define BPP_ASIC_1V8                    0x01
+#define BPP_ASIC_1V9                    0x02
+#define BPP_ASIC_2V0                    0x03
+#define BPP_ASIC_2V7                    0x04
+#define BPP_ASIC_2V8                    0x05
+#define BPP_ASIC_3V2                    0x06
+#define BPP_ASIC_3V3                    0x07
+#define BPP_REG_TUNED18                 0x07
+#define BPP_TUNED18_SHIFT_8402          5
+#define BPP_TUNED18_SHIFT_8411          4
+#define BPP_PAD_MASK                    0x04
+#define BPP_PAD_3V3                     0x04
+#define BPP_PAD_1V8                     0x00
 #define BPP_LDO_POWB                    0x03
 #define BPP_LDO_ON                      0x00
 #define BPP_LDO_SUSPEND                 0x02
@@ -688,7 +701,10 @@ struct pcr_ops {
        int             (*disable_auto_blink)(struct rtsx_pcr *pcr);
        int             (*card_power_on)(struct rtsx_pcr *pcr, int card);
        int             (*card_power_off)(struct rtsx_pcr *pcr, int card);
+        int             (*switch_output_voltage)(struct rtsx_pcr *pcr,
+                                                u8 voltage);
        unsigned int    (*cd_deglitch)(struct rtsx_pcr *pcr);
+        int             (*conv_clk_and_div_n)(int clk, int dir);
 };
 enum PDEV_STAT  {PDEV_STAT_IDLE, PDEV_STAT_RUN};
@@ -783,6 +799,7 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
                u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk);
 int rtsx_pci_card_power_on(struct rtsx_pcr *pcr, int card);
 int rtsx_pci_card_power_off(struct rtsx_pcr *pcr, int card);
+int rtsx_pci_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage);
 unsigned int rtsx_pci_card_exist(struct rtsx_pcr *pcr);
 void rtsx_pci_complete_unfinished_transfer(struct rtsx_pcr *pcr);
diff --git a/arch/arm/mach-imx/iram.h b/include/linux/platform_data/imx-iram.h
index 022690c33702..022690c33702 100644
--- a/arch/arm/mach-imx/iram.h
+++ b/include/linux/platform_data/imx-iram.h
diff --git a/include/linux/security.h b/include/linux/security.h
index 0f6afc657f77..eee7478cda70 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -989,17 +989,29 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
 *      tells the LSM to decrement the number of secmark labeling rules loaded
 * @req_classify_flow:
 *      Sets the flow's sid to the openreq sid.
+ * @tun_dev_alloc_security:
+ *      This hook allows a module to allocate a security structure for a TUN
+ *      device.
+ *      @security pointer to a security structure pointer.
+ *      Returns a zero on success, negative values on failure.
+ * @tun_dev_free_security:
+ *      This hook allows a module to free the security structure for a TUN
+ *      device.
+ *      @security pointer to the TUN device's security structure
 * @tun_dev_create:
 *      Check permissions prior to creating a new TUN device.
- * @tun_dev_post_create:
+ * @tun_dev_attach_queue:
- *      This hook allows a module to update or allocate a per-socket security
+ *      Check permissions prior to attaching to a TUN device queue.
- *      structure.
+ *      @security pointer to the TUN device's security structure.
- *      @sk contains the newly created sock structure.
 * @tun_dev_attach:
- *      Check permissions prior to attaching to a persistent TUN device.  This
+ *      This hook can be used by the module to update any security state
- *      hook can also be used by the module to update any security state
 *      associated with the TUN device's sock structure.
 *      @sk contains the existing sock structure.
+ *      @security pointer to the TUN device's security structure.
+ * @tun_dev_open:
+ *      This hook can be used by the module to update any security state
+ *      associated with the TUN device's security structure.
+ *      @security pointer to the TUN devices's security structure.
 *
 * Security hooks for XFRM operations.
 *
@@ -1620,9 +1632,12 @@ struct security_operations {
        void (*secmark_refcount_inc) (void);
        void (*secmark_refcount_dec) (void);
        void (*req_classify_flow) (const struct request_sock *req, struct flowi *fl);
-        int (*tun_dev_create)(void);
+        int (*tun_dev_alloc_security) (void **security);
-        void (*tun_dev_post_create)(struct sock *sk);
+        void (*tun_dev_free_security) (void *security);
-        int (*tun_dev_attach)(struct sock *sk);
+        int (*tun_dev_create) (void);
+        int (*tun_dev_attach_queue) (void *security);
+        int (*tun_dev_attach) (struct sock *sk, void *security);
+        int (*tun_dev_open) (void *security);
 #endif  /* CONFIG_SECURITY_NETWORK */
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
@@ -2566,9 +2581,12 @@ void security_inet_conn_established(struct sock *sk,
 int security_secmark_relabel_packet(u32 secid);
 void security_secmark_refcount_inc(void);
 void security_secmark_refcount_dec(void);
+int security_tun_dev_alloc_security(void **security);
+void security_tun_dev_free_security(void *security);
 int security_tun_dev_create(void);
-void security_tun_dev_post_create(struct sock *sk);
+int security_tun_dev_attach_queue(void *security);
-int security_tun_dev_attach(struct sock *sk);
+int security_tun_dev_attach(struct sock *sk, void *security);
+int security_tun_dev_open(void *security);
 #else   /* CONFIG_SECURITY_NETWORK */
 static inline int security_unix_stream_connect(struct sock *sock,
@@ -2733,16 +2751,31 @@ static inline void security_secmark_refcount_dec(void)
 {
 }
+static inline int security_tun_dev_alloc_security(void **security)
+{
+        return 0;
+}
+static inline void security_tun_dev_free_security(void *security)
+{
+}
 static inline int security_tun_dev_create(void)
 {
        return 0;
 }
-static inline void security_tun_dev_post_create(struct sock *sk)
+static inline int security_tun_dev_attach_queue(void *security)
+{
+        return 0;
+}
+static inline int security_tun_dev_attach(struct sock *sk, void *security)
 {
+        return 0;
 }
-static inline int security_tun_dev_attach(struct sock *sk)
+static inline int security_tun_dev_open(void *security)
 {
        return 0;
 }
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index bd45eb7bedc8..5de7a220e986 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -100,6 +100,7 @@ struct driver_info {
 #define FLAG_LINK_INTR  0x0800          /* updates link (carrier) status */
 #define FLAG_POINTTOPOINT 0x1000        /* possibly use "usb%d" names */
+#define FLAG_NOARP      0x2000          /* device can't do ARP */
 /*
 * Indicates to usbnet, that USB driver accumulates multiple IP packets.
diff --git a/include/net/ip.h b/include/net/ip.h
index 0707fb9551aa..a68f838a132c 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -143,6 +143,8 @@ static inline struct sk_buff *ip_finish_skb(struct sock *sk, struct flowi4 *fl4)
 extern int              ip4_datagram_connect(struct sock *sk, 
                                             struct sockaddr *uaddr, int addr_len);
+extern void ip4_datagram_release_cb(struct sock *sk);
 struct ip_reply_arg {
        struct kvec iov[1];   
        int         flags;
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index d8f5b9f52169..e98aeb3da033 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -31,6 +31,8 @@ extern void nf_conntrack_cleanup(struct net *net);
 extern int nf_conntrack_proto_init(struct net *net);
 extern void nf_conntrack_proto_fini(struct net *net);
+extern void nf_conntrack_cleanup_end(void);
 extern bool
 nf_ct_get_tuple(const struct sk_buff *skb,
                unsigned int nhoff,
diff --git a/init/main.c b/init/main.c
index 92d728a32d51..cee4b5c66d81 100644
--- a/init/main.c
+++ b/init/main.c
@@ -604,7 +604,7 @@ asmlinkage void __init start_kernel(void)
        pidmap_init();
        anon_vma_init();
 #ifdef CONFIG_X86
-        if (efi_enabled)
+        if (efi_enabled(EFI_RUNTIME_SERVICES))
                efi_enter_virtual_mode();
 #endif
        thread_info_cache_init();
@@ -632,7 +632,7 @@ asmlinkage void __init start_kernel(void)
        acpi_early_init(); /* before LAPIC and SMP init */
        sfi_init_late();
-        if (efi_enabled) {
+        if (efi_enabled(EFI_RUNTIME_SERVICES)) {
                efi_late_init();
                efi_free_boot_services();
        }
diff --git a/kernel/printk.c b/kernel/printk.c
index 357f714ddd49..267ce780abe8 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -87,12 +87,6 @@ static DEFINE_SEMAPHORE(console_sem);
 struct console *console_drivers;
 EXPORT_SYMBOL_GPL(console_drivers);
-#ifdef CONFIG_LOCKDEP
-static struct lockdep_map console_lock_dep_map = {
-        .name = "console_lock"
-};
-#endif
 /*
 * This is used for debugging the mess that is the VT code by
 * keeping track if we have the console semaphore held. It's
@@ -1924,7 +1918,6 @@ void console_lock(void)
                return;
        console_locked = 1;
        console_may_schedule = 1;
-        mutex_acquire(&console_lock_dep_map, 0, 0, _RET_IP_);
 }
 EXPORT_SYMBOL(console_lock);
@@ -1946,7 +1939,6 @@ int console_trylock(void)
        }
        console_locked = 1;
        console_may_schedule = 0;
-        mutex_acquire(&console_lock_dep_map, 0, 1, _RET_IP_);
        return 1;
 }
 EXPORT_SYMBOL(console_trylock);
@@ -2107,7 +2099,6 @@ skip:
                local_irq_restore(flags);
        }
        console_locked = 0;
-        mutex_release(&console_lock_dep_map, 1, _RET_IP_);
        /* Release the exclusive_console once it is used */
        if (unlikely(exclusive_console))
diff --git a/kernel/smp.c b/kernel/smp.c
index 29dd40a9f2f4..69f38bd98b42 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -33,6 +33,7 @@ struct call_function_data {
        struct call_single_data csd;
        atomic_t                refs;
        cpumask_var_t           cpumask;
+        cpumask_var_t           cpumask_ipi;
 };
 static DEFINE_PER_CPU_SHARED_ALIGNED(struct call_function_data, cfd_data);
@@ -56,6 +57,9 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
                if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL,
                                cpu_to_node(cpu)))
                        return notifier_from_errno(-ENOMEM);
+                if (!zalloc_cpumask_var_node(&cfd->cpumask_ipi, GFP_KERNEL,
+                                cpu_to_node(cpu)))
+                        return notifier_from_errno(-ENOMEM);
                break;
 #ifdef CONFIG_HOTPLUG_CPU
@@ -65,6 +69,7 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
        case CPU_DEAD:
        case CPU_DEAD_FROZEN:
                free_cpumask_var(cfd->cpumask);
+                free_cpumask_var(cfd->cpumask_ipi);
                break;
 #endif
        };
@@ -526,6 +531,12 @@ void smp_call_function_many(const struct cpumask *mask,
                return;
        }
+        /*
+         * After we put an entry into the list, data->cpumask
+         * may be cleared again when another CPU sends another IPI for
+         * a SMP function call, so data->cpumask will be zero.
+         */
+        cpumask_copy(data->cpumask_ipi, data->cpumask);
        raw_spin_lock_irqsave(&call_function.lock, flags);
        /*
         * Place entry at the _HEAD_ of the list, so that any cpu still
@@ -549,7 +560,7 @@ void smp_call_function_many(const struct cpumask *mask,
        smp_mb();
        /* Send a message to all CPUs in the map */
-        arch_send_call_function_ipi_mask(data->cpumask);
+        arch_send_call_function_ipi_mask(data->cpumask_ipi);
        /* Optionally wait for the CPUs to complete */
        if (wait)
diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig
index 8601f0db1261..b69692250af4 100644
--- a/kernel/time/Kconfig
+++ b/kernel/time/Kconfig
@@ -38,6 +38,10 @@ config GENERIC_CLOCKEVENTS_BUILD
        default y
        depends on GENERIC_CLOCKEVENTS
+# Architecture can handle broadcast in a driver-agnostic way
+config ARCH_HAS_TICK_BROADCAST
+        bool
 # Clockevents broadcasting infrastructure
 config GENERIC_CLOCKEVENTS_BROADCAST
        bool
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index f113755695e2..f726537d24eb 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -18,6 +18,7 @@
 #include <linux/percpu.h>
 #include <linux/profile.h>
 #include <linux/sched.h>
+#include <linux/smp.h>
 #include "tick-internal.h"
@@ -86,6 +87,11 @@ int tick_is_broadcast_device(struct clock_event_device *dev)
        return (dev && tick_broadcast_device.evtdev == dev);
 }
+static void err_broadcast(const struct cpumask *mask)
+{
+        pr_crit_once("Failed to broadcast timer tick. Some CPUs may be unresponsive.\n");
+}
 /*
 * Check, if the device is disfunctional and a place holder, which
 * needs to be handled by the broadcast device.
@@ -105,6 +111,13 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu)
         */
        if (!tick_device_is_functional(dev)) {
                dev->event_handler = tick_handle_periodic;
+                if (!dev->broadcast)
+                        dev->broadcast = tick_broadcast;
+                if (!dev->broadcast) {
+                        pr_warn_once("%s depends on broadcast, but no broadcast function available\n",
+                                     dev->name);
+                        dev->broadcast = err_broadcast;
+                }
                cpumask_set_cpu(cpu, tick_get_broadcast_mask());
                tick_broadcast_start_periodic(tick_broadcast_device.evtdev);
                ret = 1;
@@ -125,6 +138,23 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu)
        return ret;
 }
+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
+int tick_receive_broadcast(void)
+{
+        struct tick_device *td = this_cpu_ptr(&tick_cpu_device);
+        struct clock_event_device *evt = td->evtdev;
+        if (!evt)
+                return -ENODEV;
+        if (!evt->event_handler)
+                return -EINVAL;
+        evt->event_handler(evt);
+        return 0;
+}
+#endif
 /*
 * Broadcast the event to the cpus, which are set in the mask (mangled).
 */
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 8e1d89d2b1c1..183f97a86bb2 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -738,6 +738,7 @@ static uint16_t batadv_arp_get_type(struct batadv_priv *bat_priv,
        struct arphdr *arphdr;
        struct ethhdr *ethhdr;
        __be32 ip_src, ip_dst;
+        uint8_t *hw_src, *hw_dst;
        uint16_t type = 0;
        /* pull the ethernet header */
@@ -777,9 +778,23 @@ static uint16_t batadv_arp_get_type(struct batadv_priv *bat_priv,
        ip_src = batadv_arp_ip_src(skb, hdr_size);
        ip_dst = batadv_arp_ip_dst(skb, hdr_size);
        if (ipv4_is_loopback(ip_src) || ipv4_is_multicast(ip_src) ||
-            ipv4_is_loopback(ip_dst) || ipv4_is_multicast(ip_dst))
+            ipv4_is_loopback(ip_dst) || ipv4_is_multicast(ip_dst) ||
+            ipv4_is_zeronet(ip_src) || ipv4_is_lbcast(ip_src) ||
+            ipv4_is_zeronet(ip_dst) || ipv4_is_lbcast(ip_dst))
                goto out;
+        hw_src = batadv_arp_hw_src(skb, hdr_size);
+        if (is_zero_ether_addr(hw_src) || is_multicast_ether_addr(hw_src))
+                goto out;
+        /* we don't care about the destination MAC address in ARP requests */
+        if (arphdr->ar_op != htons(ARPOP_REQUEST)) {
+                hw_dst = batadv_arp_hw_dst(skb, hdr_size);
+                if (is_zero_ether_addr(hw_dst) ||
+                    is_multicast_ether_addr(hw_dst))
+                        goto out;
+        }
        type = ntohs(arphdr->ar_op);
 out:
        return type;
@@ -1012,6 +1027,8 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
         */
        ret = !batadv_is_my_client(bat_priv, hw_dst);
 out:
+        if (ret)
+                kfree_skb(skb);
        /* if ret == false -> packet has to be delivered to the interface */
        return ret;
 }
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 596660d37c5e..0f78e34220c9 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2810,14 +2810,6 @@ static void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb)
        if (conn) {
                hci_conn_enter_active_mode(conn, BT_POWER_FORCE_ACTIVE_OFF);
-                hci_dev_lock(hdev);
-                if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
-                    !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
-                        mgmt_device_connected(hdev, &conn->dst, conn->type,
-                                              conn->dst_type, 0, NULL, 0,
-                                              conn->dev_class);
-                hci_dev_unlock(hdev);
                /* Send to upper protocol */
                l2cap_recv_acldata(conn, skb, flags);
                return;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 705078a0cc39..81b44481d0d9 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2688,7 +2688,7 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
        if (ev->opcode != HCI_OP_NOP)
                del_timer(&hdev->cmd_timer);
-        if (ev->ncmd) {
+        if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
                atomic_set(&hdev->cmd_cnt, 1);
                if (!skb_queue_empty(&hdev->cmd_q))
                        queue_work(hdev->workqueue, &hdev->cmd_work);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index b2bcbe2dc328..a7352ff3fd1e 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -931,7 +931,7 @@ static int hidp_setup_hid(struct hidp_session *session,
        hid->version = req->version;
        hid->country = req->country;
-        strncpy(hid->name, req->name, 128);
+        strncpy(hid->name, req->name, sizeof(req->name) - 1);
        snprintf(hid->phys, sizeof(hid->phys), "%pMR",
                 &bt_sk(session->ctrl_sock->sk)->src);
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 2c78208d793e..22e658322845 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -3727,6 +3727,17 @@ sendresp:
 static int l2cap_connect_req(struct l2cap_conn *conn,
                             struct l2cap_cmd_hdr *cmd, u8 *data)
 {
+        struct hci_dev *hdev = conn->hcon->hdev;
+        struct hci_conn *hcon = conn->hcon;
+        hci_dev_lock(hdev);
+        if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
+            !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &hcon->flags))
+                mgmt_device_connected(hdev, &hcon->dst, hcon->type,
+                                      hcon->dst_type, 0, NULL, 0,
+                                      hcon->dev_class);
+        hci_dev_unlock(hdev);
        l2cap_connect(conn, cmd, data, L2CAP_CONN_RSP, 0);
        return 0;
 }
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 531a93d613d4..57f250c20e39 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -352,7 +352,7 @@ static void __sco_sock_close(struct sock *sk)
        case BT_CONNECTED:
        case BT_CONFIG:
-                if (sco_pi(sk)->conn) {
+                if (sco_pi(sk)->conn->hcon) {
                        sk->sk_state = BT_DISCONN;
                        sco_sock_set_timer(sk, SCO_DISCONN_TIMEOUT);
                        hci_conn_put(sco_pi(sk)->conn->hcon);
diff --git a/net/core/request_sock.c b/net/core/request_sock.c
index c31d9e8668c3..4425148d2b51 100644
--- a/net/core/request_sock.c
+++ b/net/core/request_sock.c
@@ -186,8 +186,6 @@ void reqsk_fastopen_remove(struct sock *sk, struct request_sock *req,
        struct fastopen_queue *fastopenq =
            inet_csk(lsk)->icsk_accept_queue.fastopenq;
-        BUG_ON(!spin_is_locked(&sk->sk_lock.slock) && !sock_owned_by_user(sk));
        tcp_sk(sk)->fastopen_rsk = NULL;
        spin_lock_bh(&fastopenq->lock);
        fastopenq->qlen--;
diff --git a/net/core/scm.c b/net/core/scm.c
index 57fb1ee6649f..905dcc6ad1e3 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -35,6 +35,7 @@
 #include <net/sock.h>
 #include <net/compat.h>
 #include <net/scm.h>
+#include <net/cls_cgroup.h>
 /*
@@ -302,8 +303,10 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
                }
                /* Bump the usage count and install the file. */
                sock = sock_from_file(fp[i], &err);
-                if (sock)
+                if (sock) {
                        sock_update_netprioidx(sock->sk, current);
+                        sock_update_classid(sock->sk, current);
+                }
                fd_install(new_fd, get_file(fp[i]));
        }
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 3ab989b0de42..a9a2ae3e2213 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1649,7 +1649,7 @@ static void sock_spd_release(struct splice_pipe_desc *spd, unsigned int i)
 static struct page *linear_to_page(struct page *page, unsigned int *len,
                                   unsigned int *offset,
-                                   struct sk_buff *skb, struct sock *sk)
+                                   struct sock *sk)
 {
        struct page_frag *pfrag = sk_page_frag(sk);
@@ -1682,14 +1682,14 @@ static bool spd_can_coalesce(const struct splice_pipe_desc *spd,
 static bool spd_fill_page(struct splice_pipe_desc *spd,
                          struct pipe_inode_info *pipe, struct page *page,
                          unsigned int *len, unsigned int offset,
-                          struct sk_buff *skb, bool linear,
+                          bool linear,
                          struct sock *sk)
 {
        if (unlikely(spd->nr_pages == MAX_SKB_FRAGS))
                return true;
        if (linear) {
-                page = linear_to_page(page, len, &offset, skb, sk);
+                page = linear_to_page(page, len, &offset, sk);
                if (!page)
                        return true;
        }
@@ -1706,23 +1706,9 @@ static bool spd_fill_page(struct splice_pipe_desc *spd,
        return false;
 }
-static inline void __segment_seek(struct page **page, unsigned int *poff,
-                                  unsigned int *plen, unsigned int off)
-{
-        unsigned long n;
-        *poff += off;
-        n = *poff / PAGE_SIZE;
-        if (n)
-                *page = nth_page(*page, n);
-        *poff = *poff % PAGE_SIZE;
-        *plen -= off;
-}
 static bool __splice_segment(struct page *page, unsigned int poff,
                             unsigned int plen, unsigned int *off,
-                             unsigned int *len, struct sk_buff *skb,
+                             unsigned int *len,
                             struct splice_pipe_desc *spd, bool linear,
                             struct sock *sk,
                             struct pipe_inode_info *pipe)
@@ -1737,23 +1723,19 @@ static bool __splice_segment(struct page *page, unsigned int poff,
        }
        /* ignore any bits we already processed */
-        if (*off) {
+        poff += *off;
-                __segment_seek(&page, &poff, &plen, *off);
+        plen -= *off;
-                *off = 0;
+        *off = 0;
-        }
        do {
                unsigned int flen = min(*len, plen);
-                /* the linear region may spread across several pages  */
+                if (spd_fill_page(spd, pipe, page, &flen, poff,
-                flen = min_t(unsigned int, flen, PAGE_SIZE - poff);
+                                  linear, sk))
-                if (spd_fill_page(spd, pipe, page, &flen, poff, skb, linear, sk))
                        return true;
+                poff += flen;
-                __segment_seek(&page, &poff, &plen, flen);
+                plen -= flen;
                *len -= flen;
        } while (*len && plen);
        return false;
@@ -1777,7 +1759,7 @@ static bool __skb_splice_bits(struct sk_buff *skb, struct pipe_inode_info *pipe,
        if (__splice_segment(virt_to_page(skb->data),
                             (unsigned long) skb->data & (PAGE_SIZE - 1),
                             skb_headlen(skb),
-                             offset, len, skb, spd,
+                             offset, len, spd,
                             skb_head_is_locked(skb),
                             sk, pipe))
                return true;
@@ -1790,7 +1772,7 @@ static bool __skb_splice_bits(struct sk_buff *skb, struct pipe_inode_info *pipe,
                if (__splice_segment(skb_frag_page(f),
                                     f->page_offset, skb_frag_size(f),
-                                     offset, len, skb, spd, false, sk, pipe))
+                                     offset, len, spd, false, sk, pipe))
                        return true;
        }
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index a0d8392491c3..a69b4e4a02b5 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -269,7 +269,11 @@ static void ah_input_done(struct crypto_async_request *base, int err)
        skb->network_header += ah_hlen;
        memcpy(skb_network_header(skb), work_iph, ihl);
        __skb_pull(skb, ah_hlen + ihl);
-        skb_set_transport_header(skb, -ihl);
+        if (x->props.mode == XFRM_MODE_TUNNEL)
+                skb_reset_transport_header(skb);
+        else
+                skb_set_transport_header(skb, -ihl);
 out:
        kfree(AH_SKB_CB(skb)->tmp);
        xfrm_input_resume(skb, err);
@@ -381,7 +385,10 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
        skb->network_header += ah_hlen;
        memcpy(skb_network_header(skb), work_iph, ihl);
        __skb_pull(skb, ah_hlen + ihl);
-        skb_set_transport_header(skb, -ihl);
+        if (x->props.mode == XFRM_MODE_TUNNEL)
+                skb_reset_transport_header(skb);
+        else
+                skb_set_transport_header(skb, -ihl);
        err = nexthdr;
@@ -413,9 +420,12 @@ static void ah4_err(struct sk_buff *skb, u32 info)
        if (!x)
                return;
-        if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
+        if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) {
+                atomic_inc(&flow_cache_genid);
+                rt_genid_bump(net);
                ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_AH, 0);
-        else
+        } else
                ipv4_redirect(skb, net, 0, 0, IPPROTO_AH, 0);
        xfrm_state_put(x);
 }
diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c
index 424fafbc8cb0..b28e863fe0a7 100644
--- a/net/ipv4/datagram.c
+++ b/net/ipv4/datagram.c
@@ -85,3 +85,28 @@ out:
        return err;
 }
 EXPORT_SYMBOL(ip4_datagram_connect);
+void ip4_datagram_release_cb(struct sock *sk)
+{
+        const struct inet_sock *inet = inet_sk(sk);
+        const struct ip_options_rcu *inet_opt;
+        __be32 daddr = inet->inet_daddr;
+        struct flowi4 fl4;
+        struct rtable *rt;
+        if (! __sk_dst_get(sk) || __sk_dst_check(sk, 0))
+                return;
+        rcu_read_lock();
+        inet_opt = rcu_dereference(inet->inet_opt);
+        if (inet_opt && inet_opt->opt.srr)
+                daddr = inet_opt->opt.faddr;
+        rt = ip_route_output_ports(sock_net(sk), &fl4, sk, daddr,
+                                   inet->inet_saddr, inet->inet_dport,
+                                   inet->inet_sport, sk->sk_protocol,
+                                   RT_CONN_FLAGS(sk), sk->sk_bound_dev_if);
+        if (!IS_ERR(rt))
+                __sk_dst_set(sk, &rt->dst);
+        rcu_read_unlock();
+}
+EXPORT_SYMBOL_GPL(ip4_datagram_release_cb);
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index b61e9deb7c7e..3b4f0cd2e63e 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -346,7 +346,10 @@ static int esp_input_done2(struct sk_buff *skb, int err)
        pskb_trim(skb, skb->len - alen - padlen - 2);
        __skb_pull(skb, hlen);
-        skb_set_transport_header(skb, -ihl);
+        if (x->props.mode == XFRM_MODE_TUNNEL)
+                skb_reset_transport_header(skb);
+        else
+                skb_set_transport_header(skb, -ihl);
        err = nexthdr[1];
@@ -499,9 +502,12 @@ static void esp4_err(struct sk_buff *skb, u32 info)
        if (!x)
                return;
-        if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
+        if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) {
+                atomic_inc(&flow_cache_genid);
+                rt_genid_bump(net);
                ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_ESP, 0);
-        else
+        } else
                ipv4_redirect(skb, net, 0, 0, IPPROTO_ESP, 0);
        xfrm_state_put(x);
 }
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 303012adf9e6..e81b1caf2ea2 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -963,8 +963,12 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
                        ptr--;
                }
                if (tunnel->parms.o_flags&GRE_CSUM) {
+                        int offset = skb_transport_offset(skb);
                        *ptr = 0;
-                        *(__sum16 *)ptr = ip_compute_csum((void *)(iph+1), skb->len - sizeof(struct iphdr));
+                        *(__sum16 *)ptr = csum_fold(skb_checksum(skb, offset,
+                                                                 skb->len - offset,
+                                                                 0));
                }
        }
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index d3ab47e19a89..9a46daed2f3c 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -47,9 +47,12 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info)
        if (!x)
                return;
-        if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
+        if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) {
+                atomic_inc(&flow_cache_genid);
+                rt_genid_bump(net);
                ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_COMP, 0);
-        else
+        } else
                ipv4_redirect(skb, net, 0, 0, IPPROTO_COMP, 0);
        xfrm_state_put(x);
 }
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 8f3d05424a3e..6f9c07268cf6 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -738,6 +738,7 @@ struct proto ping_prot = {
        .recvmsg =      ping_recvmsg,
        .bind =         ping_bind,
        .backlog_rcv =  ping_queue_rcv_skb,
+        .release_cb =   ip4_datagram_release_cb,
        .hash =         ping_v4_hash,
        .unhash =       ping_v4_unhash,
        .get_port =     ping_v4_get_port,
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 73d1e4df4bf6..6f08991409c3 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -894,6 +894,7 @@ struct proto raw_prot = {
        .recvmsg           = raw_recvmsg,
        .bind              = raw_bind,
        .backlog_rcv       = raw_rcv_skb,
+        .release_cb        = ip4_datagram_release_cb,
        .hash              = raw_hash_sk,
        .unhash            = raw_unhash_sk,
        .obj_size          = sizeof(struct raw_sock),
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 844a9ef60dbd..a0fcc47fee73 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -912,6 +912,9 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
        struct dst_entry *dst = &rt->dst;
        struct fib_result res;
+        if (dst_metric_locked(dst, RTAX_MTU))
+                return;
        if (dst->dev->mtu < mtu)
                return;
@@ -962,7 +965,7 @@ void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu,
 }
 EXPORT_SYMBOL_GPL(ipv4_update_pmtu);
-void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu)
+static void __ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu)
 {
        const struct iphdr *iph = (const struct iphdr *) skb->data;
        struct flowi4 fl4;
@@ -975,6 +978,53 @@ void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu)
                ip_rt_put(rt);
        }
 }
+void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu)
+{
+        const struct iphdr *iph = (const struct iphdr *) skb->data;
+        struct flowi4 fl4;
+        struct rtable *rt;
+        struct dst_entry *dst;
+        bool new = false;
+        bh_lock_sock(sk);
+        rt = (struct rtable *) __sk_dst_get(sk);
+        if (sock_owned_by_user(sk) || !rt) {
+                __ipv4_sk_update_pmtu(skb, sk, mtu);
+                goto out;
+        }
+        __build_flow_key(&fl4, sk, iph, 0, 0, 0, 0, 0);
+        if (!__sk_dst_check(sk, 0)) {
+                rt = ip_route_output_flow(sock_net(sk), &fl4, sk);
+                if (IS_ERR(rt))
+                        goto out;
+                new = true;
+        }
+        __ip_rt_update_pmtu((struct rtable *) rt->dst.path, &fl4, mtu);
+        dst = dst_check(&rt->dst, 0);
+        if (!dst) {
+                if (new)
+                        dst_release(&rt->dst);
+                rt = ip_route_output_flow(sock_net(sk), &fl4, sk);
+                if (IS_ERR(rt))
+                        goto out;
+                new = true;
+        }
+        if (new)
+                __sk_dst_set(sk, &rt->dst);
+out:
+        bh_unlock_sock(sk);
+}
 EXPORT_SYMBOL_GPL(ipv4_sk_update_pmtu);
 void ipv4_redirect(struct sk_buff *skb, struct net *net,
@@ -1120,7 +1170,7 @@ static unsigned int ipv4_mtu(const struct dst_entry *dst)
        if (!mtu || time_after_eq(jiffies, rt->dst.expires))
                mtu = dst_metric_raw(dst, RTAX_MTU);
-        if (mtu && rt_is_output_route(rt))
+        if (mtu)
                return mtu;
        mtu = dst->dev->mtu;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 54139fa514e6..70b09ef2463b 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -369,11 +369,10 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
         * We do take care of PMTU discovery (RFC1191) special case :
         * we can receive locally generated ICMP messages while socket is held.
         */
-        if (sock_owned_by_user(sk) &&
+        if (sock_owned_by_user(sk)) {
-            type != ICMP_DEST_UNREACH &&
+                if (!(type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED))
-            code != ICMP_FRAG_NEEDED)
+                        NET_INC_STATS_BH(net, LINUX_MIB_LOCKDROPPEDICMPS);
-                NET_INC_STATS_BH(net, LINUX_MIB_LOCKDROPPEDICMPS);
+        }
        if (sk->sk_state == TCP_CLOSE)
                goto out;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 79c8dbe59b54..1f4d405eafba 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1952,6 +1952,7 @@ struct proto udp_prot = {
        .recvmsg           = udp_recvmsg,
        .sendpage          = udp_sendpage,
        .backlog_rcv       = __udp_queue_rcv_skb,
+        .release_cb        = ip4_datagram_release_cb,
        .hash              = udp_lib_hash,
        .unhash            = udp_lib_unhash,
        .rehash            = udp_v4_rehash,
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index ecc35b93314b..384233188ac1 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -472,7 +472,10 @@ static void ah6_input_done(struct crypto_async_request *base, int err)
        skb->network_header += ah_hlen;
        memcpy(skb_network_header(skb), work_iph, hdr_len);
        __skb_pull(skb, ah_hlen + hdr_len);
-        skb_set_transport_header(skb, -hdr_len);
+        if (x->props.mode == XFRM_MODE_TUNNEL)
+                skb_reset_transport_header(skb);
+        else
+                skb_set_transport_header(skb, -hdr_len);
 out:
        kfree(AH_SKB_CB(skb)->tmp);
        xfrm_input_resume(skb, err);
@@ -593,9 +596,13 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
        skb->network_header += ah_hlen;
        memcpy(skb_network_header(skb), work_iph, hdr_len);
-        skb->transport_header = skb->network_header;
        __skb_pull(skb, ah_hlen + hdr_len);
+        if (x->props.mode == XFRM_MODE_TUNNEL)
+                skb_reset_transport_header(skb);
+        else
+                skb_set_transport_header(skb, -hdr_len);
        err = nexthdr;
 out_free:
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 282f3723ee19..40ffd72243a4 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -300,7 +300,10 @@ static int esp_input_done2(struct sk_buff *skb, int err)
        pskb_trim(skb, skb->len - alen - padlen - 2);
        __skb_pull(skb, hlen);
-        skb_set_transport_header(skb, -hdr_len);
+        if (x->props.mode == XFRM_MODE_TUNNEL)
+                skb_reset_transport_header(skb);
+        else
+                skb_set_transport_header(skb, -hdr_len);
        err = nexthdr[1];
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index b4a9fd51dae7..fff5bdd8b680 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -81,10 +81,22 @@ static inline struct sock *icmpv6_sk(struct net *net)
        return net->ipv6.icmp_sk[smp_processor_id()];
 }
+static void icmpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+                       u8 type, u8 code, int offset, __be32 info)
+{
+        struct net *net = dev_net(skb->dev);
+        if (type == ICMPV6_PKT_TOOBIG)
+                ip6_update_pmtu(skb, net, info, 0, 0);
+        else if (type == NDISC_REDIRECT)
+                ip6_redirect(skb, net, 0, 0);
+}
 static int icmpv6_rcv(struct sk_buff *skb);
 static const struct inet6_protocol icmpv6_protocol = {
        .handler        =       icmpv6_rcv,
+        .err_handler    =       icmpv6_err,
        .flags          =       INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
 };
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 5552d13ae92f..0c7c03d50dc0 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1213,10 +1213,10 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
                if (dst_allfrag(rt->dst.path))
                        cork->flags |= IPCORK_ALLFRAG;
                cork->length = 0;
-                exthdrlen = (opt ? opt->opt_flen : 0) - rt->rt6i_nfheader_len;
+                exthdrlen = (opt ? opt->opt_flen : 0);
                length += exthdrlen;
                transhdrlen += exthdrlen;
-                dst_exthdrlen = rt->dst.header_len;
+                dst_exthdrlen = rt->dst.header_len - rt->rt6i_nfheader_len;
        } else {
                rt = (struct rt6_info *)cork->dst;
                fl6 = &inet->cork.fl.u.ip6;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 26dcdec9e3a5..8fd154e5f079 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1710,6 +1710,9 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, uns
                        return -EINVAL;
                if (get_user(v, (u32 __user *)optval))
                        return -EFAULT;
+                /* "pim6reg%u" should not exceed 16 bytes (IFNAMSIZ) */
+                if (v != RT_TABLE_DEFAULT && v >= 100000000)
+                        return -EINVAL;
                if (sk == mrt->mroute6_sk)
                        return -EBUSY;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 47e0aca614b7..516fbc96feff 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -164,7 +164,17 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
                        sta = sta_info_get(sdata, mac_addr);
                else
                        sta = sta_info_get_bss(sdata, mac_addr);
-                if (!sta) {
+                /*
+                 * The ASSOC test makes sure the driver is ready to
+                 * receive the key. When wpa_supplicant has roamed
+                 * using FT, it attempts to set the key before
+                 * association has completed, this rejects that attempt
+                 * so it will set the key again after assocation.
+                 *
+                 * TODO: accept the key if we have a station entry and
+                 *       add it to the device after the station.
+                 */
+                if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
                        ieee80211_key_free(sdata->local, key);
                        err = -ENOENT;
                        goto out_unlock;
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 8563b9a5cac3..2ed065c09562 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1358,10 +1358,8 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata);
 void ieee80211_sched_scan_stopped_work(struct work_struct *work);
 /* off-channel helpers */
-void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
+void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
-                                    bool offchannel_ps_enable);
+void ieee80211_offchannel_return(struct ieee80211_local *local);
-void ieee80211_offchannel_return(struct ieee80211_local *local,
-                                 bool offchannel_ps_disable);
 void ieee80211_roc_setup(struct ieee80211_local *local);
 void ieee80211_start_next_roc(struct ieee80211_local *local);
 void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 47aeee2d8db1..2659e428b80c 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -215,6 +215,7 @@ static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata,
        skb->priority = 7;
        info->control.vif = &sdata->vif;
+        info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
        ieee80211_set_qos_hdr(sdata, skb);
 }
@@ -246,11 +247,13 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn,
                return -EAGAIN;
        skb = dev_alloc_skb(local->tx_headroom +
+                            IEEE80211_ENCRYPT_HEADROOM +
+                            IEEE80211_ENCRYPT_TAILROOM +
                            hdr_len +
                            2 + 15 /* PERR IE */);
        if (!skb)
                return -1;
-        skb_reserve(skb, local->tx_headroom);
+        skb_reserve(skb, local->tx_headroom + IEEE80211_ENCRYPT_HEADROOM);
        mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len);
        memset(mgmt, 0, hdr_len);
        mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index a5379aea7d09..a3ad4c3c80a3 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -102,8 +102,7 @@ static void ieee80211_offchannel_ps_disable(struct ieee80211_sub_if_data *sdata)
        ieee80211_sta_reset_conn_monitor(sdata);
 }
-void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
+void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local)
-                                    bool offchannel_ps_enable)
 {
        struct ieee80211_sub_if_data *sdata;
@@ -134,8 +133,7 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
                if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
                        netif_tx_stop_all_queues(sdata->dev);
-                        if (offchannel_ps_enable &&
+                        if (sdata->vif.type == NL80211_IFTYPE_STATION &&
-                            (sdata->vif.type == NL80211_IFTYPE_STATION) &&
                            sdata->u.mgd.associated)
                                ieee80211_offchannel_ps_enable(sdata);
                }
@@ -143,8 +141,7 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
        mutex_unlock(&local->iflist_mtx);
 }
-void ieee80211_offchannel_return(struct ieee80211_local *local,
+void ieee80211_offchannel_return(struct ieee80211_local *local)
-                                 bool offchannel_ps_disable)
 {
        struct ieee80211_sub_if_data *sdata;
@@ -163,11 +160,9 @@ void ieee80211_offchannel_return(struct ieee80211_local *local,
                        continue;
                /* Tell AP we're back */
-                if (offchannel_ps_disable &&
+                if (sdata->vif.type == NL80211_IFTYPE_STATION &&
-                    sdata->vif.type == NL80211_IFTYPE_STATION) {
+                    sdata->u.mgd.associated)
-                        if (sdata->u.mgd.associated)
+                        ieee80211_offchannel_ps_disable(sdata);
-                                ieee80211_offchannel_ps_disable(sdata);
-                }
                if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
                        /*
@@ -385,7 +380,7 @@ void ieee80211_sw_roc_work(struct work_struct *work)
                        local->tmp_channel = NULL;
                        ieee80211_hw_config(local, 0);
-                        ieee80211_offchannel_return(local, true);
+                        ieee80211_offchannel_return(local);
                }
                ieee80211_recalc_idle(local);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index d59fc6818b1c..bf82e69d0601 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -292,7 +292,7 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted,
        if (!was_hw_scan) {
                ieee80211_configure_filter(local);
                drv_sw_scan_complete(local);
-                ieee80211_offchannel_return(local, true);
+                ieee80211_offchannel_return(local);
        }
        ieee80211_recalc_idle(local);
@@ -341,7 +341,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
        local->next_scan_state = SCAN_DECISION;
        local->scan_channel_idx = 0;
-        ieee80211_offchannel_stop_vifs(local, true);
+        ieee80211_offchannel_stop_vifs(local);
        ieee80211_configure_filter(local);
@@ -678,12 +678,8 @@ static void ieee80211_scan_state_suspend(struct ieee80211_local *local,
        local->scan_channel = NULL;
        ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
-        /*
+        /* disable PS */
-         * Re-enable vifs and beaconing.  Leave PS
+        ieee80211_offchannel_return(local);
-         * in off-channel state..will put that back
-         * on-channel at the end of scanning.
-         */
-        ieee80211_offchannel_return(local, false);
        *next_delay = HZ / 5;
        /* afterwards, resume scan & go to next channel */
@@ -693,8 +689,7 @@ static void ieee80211_scan_state_suspend(struct ieee80211_local *local,
 static void ieee80211_scan_state_resume(struct ieee80211_local *local,
                                        unsigned long *next_delay)
 {
-        /* PS already is in off-channel mode */
+        ieee80211_offchannel_stop_vifs(local);
-        ieee80211_offchannel_stop_vifs(local, false);
        if (local->ops->flush) {
                drv_flush(local, false);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index e9eadc40c09c..467c1d1b66f2 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1673,10 +1673,13 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
                        chanctx_conf =
                                rcu_dereference(tmp_sdata->vif.chanctx_conf);
        }
-        if (!chanctx_conf)
-                goto fail_rcu;
-        chan = chanctx_conf->def.chan;
+        if (chanctx_conf)
+                chan = chanctx_conf->def.chan;
+        else if (!local->use_chanctx)
+                chan = local->_oper_channel;
+        else
+                goto fail_rcu;
        /*
         * Frame injection is not allowed if beaconing is not allowed
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 016d95ead930..e4a0c4fb3a7c 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1376,11 +1376,12 @@ void nf_conntrack_cleanup(struct net *net)
        synchronize_net();
        nf_conntrack_proto_fini(net);
        nf_conntrack_cleanup_net(net);
+}
-        if (net_eq(net, &init_net)) {
+void nf_conntrack_cleanup_end(void)
-                RCU_INIT_POINTER(nf_ct_destroy, NULL);
+{
-                nf_conntrack_cleanup_init_net();
+        RCU_INIT_POINTER(nf_ct_destroy, NULL);
-        }
+        nf_conntrack_cleanup_init_net();
 }
 void *nf_ct_alloc_hashtable(unsigned int *sizep, int nulls)
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 363285d544a1..e7185c684816 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -575,6 +575,7 @@ static int __init nf_conntrack_standalone_init(void)
 static void __exit nf_conntrack_standalone_fini(void)
 {
        unregister_pernet_subsys(&nf_conntrack_net_ops);
+        nf_conntrack_cleanup_end();
 }
 module_init(nf_conntrack_standalone_init);
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 8d987c3573fd..7b3a9e5999c0 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -345,19 +345,27 @@ int xt_find_revision(u8 af, const char *name, u8 revision, int target,
 }
 EXPORT_SYMBOL_GPL(xt_find_revision);
-static char *textify_hooks(char *buf, size_t size, unsigned int mask)
+static char *
+textify_hooks(char *buf, size_t size, unsigned int mask, uint8_t nfproto)
 {
-        static const char *const names[] = {
+        static const char *const inetbr_names[] = {
                "PREROUTING", "INPUT", "FORWARD",
                "OUTPUT", "POSTROUTING", "BROUTING",
        };
-        unsigned int i;
+        static const char *const arp_names[] = {
+                "INPUT", "FORWARD", "OUTPUT",
+        };
+        const char *const *names;
+        unsigned int i, max;
        char *p = buf;
        bool np = false;
        int res;
+        names = (nfproto == NFPROTO_ARP) ? arp_names : inetbr_names;
+        max   = (nfproto == NFPROTO_ARP) ? ARRAY_SIZE(arp_names) :
+                                           ARRAY_SIZE(inetbr_names);
        *p = '\0';
-        for (i = 0; i < ARRAY_SIZE(names); ++i) {
+        for (i = 0; i < max; ++i) {
                if (!(mask & (1 << i)))
                        continue;
                res = snprintf(p, size, "%s%s", np ? "/" : "", names[i]);
@@ -402,8 +410,10 @@ int xt_check_match(struct xt_mtchk_param *par,
                pr_err("%s_tables: %s match: used from hooks %s, but only "
                       "valid from %s\n",
                       xt_prefix[par->family], par->match->name,
-                       textify_hooks(used, sizeof(used), par->hook_mask),
+                       textify_hooks(used, sizeof(used), par->hook_mask,
-                       textify_hooks(allow, sizeof(allow), par->match->hooks));
+                                     par->family),
+                       textify_hooks(allow, sizeof(allow), par->match->hooks,
+                                     par->family));
                return -EINVAL;
        }
        if (par->match->proto && (par->match->proto != proto || inv_proto)) {
@@ -575,8 +585,10 @@ int xt_check_target(struct xt_tgchk_param *par,
                pr_err("%s_tables: %s target: used from hooks %s, but only "
                       "usable from %s\n",
                       xt_prefix[par->family], par->target->name,
-                       textify_hooks(used, sizeof(used), par->hook_mask),
+                       textify_hooks(used, sizeof(used), par->hook_mask,
-                       textify_hooks(allow, sizeof(allow), par->target->hooks));
+                                     par->family),
+                       textify_hooks(allow, sizeof(allow), par->target->hooks,
+                                     par->family));
                return -EINVAL;
        }
        if (par->target->proto && (par->target->proto != proto || inv_proto)) {
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 2a0843081840..bde009ed8d3b 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -109,7 +109,7 @@ static int xt_ct_tg_check_v0(const struct xt_tgchk_param *par)
        struct xt_ct_target_info *info = par->targinfo;
        struct nf_conntrack_tuple t;
        struct nf_conn *ct;
-        int ret;
+        int ret = -EOPNOTSUPP;
        if (info->flags & ~XT_CT_NOTRACK)
                return -EINVAL;
@@ -247,7 +247,7 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
        struct xt_ct_target_info_v1 *info = par->targinfo;
        struct nf_conntrack_tuple t;
        struct nf_conn *ct;
-        int ret;
+        int ret = -EOPNOTSUPP;
        if (info->flags & ~XT_CT_NOTRACK)
                return -EINVAL;
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 379c81dee9d1..9bcdbd02d777 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -224,7 +224,7 @@ void sctp_outq_init(struct sctp_association *asoc, struct sctp_outq *q)
 /* Free the outqueue structure and any related pending chunks.
 */
-void sctp_outq_teardown(struct sctp_outq *q)
+static void __sctp_outq_teardown(struct sctp_outq *q)
 {
        struct sctp_transport *transport;
        struct list_head *lchunk, *temp;
@@ -277,8 +277,6 @@ void sctp_outq_teardown(struct sctp_outq *q)
                sctp_chunk_free(chunk);
        }
-        q->error = 0;
        /* Throw away any leftover control chunks. */
        list_for_each_entry_safe(chunk, tmp, &q->control_chunk_list, list) {
                list_del_init(&chunk->list);
@@ -286,11 +284,17 @@ void sctp_outq_teardown(struct sctp_outq *q)
        }
 }
+void sctp_outq_teardown(struct sctp_outq *q)
+{
+        __sctp_outq_teardown(q);
+        sctp_outq_init(q->asoc, q);
+}
 /* Free the outqueue structure and any related pending chunks.  */
 void sctp_outq_free(struct sctp_outq *q)
 {
        /* Throw away leftover chunks. */
-        sctp_outq_teardown(q);
+        __sctp_outq_teardown(q);
        /* If we were kmalloc()'d, free the memory.  */
        if (q->malloced)
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 618ec7e216ca..5131fcfedb03 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -1779,8 +1779,10 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(struct net *net,
        /* Update the content of current association. */
        sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_ASSOC, SCTP_ASOC(new_asoc));
-        sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
        sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev));
+        sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
+                        SCTP_STATE(SCTP_STATE_ESTABLISHED));
+        sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
        return SCTP_DISPOSITION_CONSUME;
 nomem_ev:
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 043889ac86c0..bf3c6e8fc401 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -366,7 +366,11 @@ int sctp_sysctl_net_register(struct net *net)
 void sctp_sysctl_net_unregister(struct net *net)
 {
+        struct ctl_table *table;
+        table = net->sctp.sysctl_header->ctl_table_arg;
        unregister_net_sysctl_table(net->sctp.sysctl_header);
+        kfree(table);
 }
 static struct ctl_table_header * sctp_sysctl_header;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 41eabc46f110..07c585756d2a 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2656,7 +2656,7 @@ static void xfrm_policy_fini(struct net *net)
                WARN_ON(!hlist_empty(&net->xfrm.policy_inexact[dir]));
                htab = &net->xfrm.policy_bydst[dir];
-                sz = (htab->hmask + 1);
+                sz = (htab->hmask + 1) * sizeof(struct hlist_head);
                WARN_ON(!hlist_empty(htab->table));
                xfrm_hash_free(htab->table, sz);
        }
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 765f6fe951eb..35754cc8a9e5 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -242,11 +242,13 @@ static void xfrm_replay_advance_bmp(struct xfrm_state *x, __be32 net_seq)
        u32 diff;
        struct xfrm_replay_state_esn *replay_esn = x->replay_esn;
        u32 seq = ntohl(net_seq);
-        u32 pos = (replay_esn->seq - 1) % replay_esn->replay_window;
+        u32 pos;
        if (!replay_esn->replay_window)
                return;
+        pos = (replay_esn->seq - 1) % replay_esn->replay_window;
        if (seq > replay_esn->seq) {
                diff = seq - replay_esn->seq;
diff --git a/security/capability.c b/security/capability.c
index 0fe5a026aef8..579775088967 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -709,16 +709,31 @@ static void cap_req_classify_flow(const struct request_sock *req,
 {
 }
+static int cap_tun_dev_alloc_security(void **security)
+{
+        return 0;
+}
+static void cap_tun_dev_free_security(void *security)
+{
+}
 static int cap_tun_dev_create(void)
 {
        return 0;
 }
-static void cap_tun_dev_post_create(struct sock *sk)
+static int cap_tun_dev_attach_queue(void *security)
+{
+        return 0;
+}
+static int cap_tun_dev_attach(struct sock *sk, void *security)
 {
+        return 0;
 }
-static int cap_tun_dev_attach(struct sock *sk)
+static int cap_tun_dev_open(void *security)
 {
        return 0;
 }
@@ -1050,8 +1065,11 @@ void __init security_fixup_ops(struct security_operations *ops)
        set_to_cap_if_null(ops, secmark_refcount_inc);
        set_to_cap_if_null(ops, secmark_refcount_dec);
        set_to_cap_if_null(ops, req_classify_flow);
+        set_to_cap_if_null(ops, tun_dev_alloc_security);
+        set_to_cap_if_null(ops, tun_dev_free_security);
        set_to_cap_if_null(ops, tun_dev_create);
-        set_to_cap_if_null(ops, tun_dev_post_create);
+        set_to_cap_if_null(ops, tun_dev_open);
+        set_to_cap_if_null(ops, tun_dev_attach_queue);
        set_to_cap_if_null(ops, tun_dev_attach);
 #endif  /* CONFIG_SECURITY_NETWORK */
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
diff --git a/security/security.c b/security/security.c
index daa97f4ac9d1..7b88c6aeaed4 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1254,24 +1254,42 @@ void security_secmark_refcount_dec(void)
 }
 EXPORT_SYMBOL(security_secmark_refcount_dec);
+int security_tun_dev_alloc_security(void **security)
+{
+        return security_ops->tun_dev_alloc_security(security);
+}
+EXPORT_SYMBOL(security_tun_dev_alloc_security);
+void security_tun_dev_free_security(void *security)
+{
+        security_ops->tun_dev_free_security(security);
+}
+EXPORT_SYMBOL(security_tun_dev_free_security);
 int security_tun_dev_create(void)
 {
        return security_ops->tun_dev_create();
 }
 EXPORT_SYMBOL(security_tun_dev_create);
-void security_tun_dev_post_create(struct sock *sk)
+int security_tun_dev_attach_queue(void *security)
 {
-        return security_ops->tun_dev_post_create(sk);
+        return security_ops->tun_dev_attach_queue(security);
 }
-EXPORT_SYMBOL(security_tun_dev_post_create);
+EXPORT_SYMBOL(security_tun_dev_attach_queue);
-int security_tun_dev_attach(struct sock *sk)
+int security_tun_dev_attach(struct sock *sk, void *security)
 {
-        return security_ops->tun_dev_attach(sk);
+        return security_ops->tun_dev_attach(sk, security);
 }
 EXPORT_SYMBOL(security_tun_dev_attach);
+int security_tun_dev_open(void *security)
+{
+        return security_ops->tun_dev_open(security);
+}
+EXPORT_SYMBOL(security_tun_dev_open);
 #endif  /* CONFIG_SECURITY_NETWORK */
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 61a53367d029..ef26e9611ffb 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4399,6 +4399,24 @@ static void selinux_req_classify_flow(const struct request_sock *req,
        fl->flowi_secid = req->secid;
 }
+static int selinux_tun_dev_alloc_security(void **security)
+{
+        struct tun_security_struct *tunsec;
+        tunsec = kzalloc(sizeof(*tunsec), GFP_KERNEL);
+        if (!tunsec)
+                return -ENOMEM;
+        tunsec->sid = current_sid();
+        *security = tunsec;
+        return 0;
+}
+static void selinux_tun_dev_free_security(void *security)
+{
+        kfree(security);
+}
 static int selinux_tun_dev_create(void)
 {
        u32 sid = current_sid();
@@ -4414,8 +4432,17 @@ static int selinux_tun_dev_create(void)
                            NULL);
 }
-static void selinux_tun_dev_post_create(struct sock *sk)
+static int selinux_tun_dev_attach_queue(void *security)
 {
+        struct tun_security_struct *tunsec = security;
+        return avc_has_perm(current_sid(), tunsec->sid, SECCLASS_TUN_SOCKET,
+                            TUN_SOCKET__ATTACH_QUEUE, NULL);
+}
+static int selinux_tun_dev_attach(struct sock *sk, void *security)
+{
+        struct tun_security_struct *tunsec = security;
        struct sk_security_struct *sksec = sk->sk_security;
        /* we don't currently perform any NetLabel based labeling here and it
@@ -4425,20 +4452,19 @@ static void selinux_tun_dev_post_create(struct sock *sk)
         * cause confusion to the TUN user that had no idea network labeling
         * protocols were being used */
-        /* see the comments in selinux_tun_dev_create() about why we don't use
+        sksec->sid = tunsec->sid;
-         * the sockcreate SID here */
-        sksec->sid = current_sid();
        sksec->sclass = SECCLASS_TUN_SOCKET;
+        return 0;
 }
-static int selinux_tun_dev_attach(struct sock *sk)
+static int selinux_tun_dev_open(void *security)
 {
-        struct sk_security_struct *sksec = sk->sk_security;
+        struct tun_security_struct *tunsec = security;
        u32 sid = current_sid();
        int err;
-        err = avc_has_perm(sid, sksec->sid, SECCLASS_TUN_SOCKET,
+        err = avc_has_perm(sid, tunsec->sid, SECCLASS_TUN_SOCKET,
                           TUN_SOCKET__RELABELFROM, NULL);
        if (err)
                return err;
@@ -4446,8 +4472,7 @@ static int selinux_tun_dev_attach(struct sock *sk)
                           TUN_SOCKET__RELABELTO, NULL);
        if (err)
                return err;
+        tunsec->sid = sid;
-        sksec->sid = sid;
        return 0;
 }
@@ -5642,9 +5667,12 @@ static struct security_operations selinux_ops = {
        .secmark_refcount_inc =         selinux_secmark_refcount_inc,
        .secmark_refcount_dec =         selinux_secmark_refcount_dec,
        .req_classify_flow =            selinux_req_classify_flow,
+        .tun_dev_alloc_security =       selinux_tun_dev_alloc_security,
+        .tun_dev_free_security =        selinux_tun_dev_free_security,
        .tun_dev_create =               selinux_tun_dev_create,
-        .tun_dev_post_create =          selinux_tun_dev_post_create,
+        .tun_dev_attach_queue =         selinux_tun_dev_attach_queue,
        .tun_dev_attach =               selinux_tun_dev_attach,
+        .tun_dev_open =                 selinux_tun_dev_open,
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
        .xfrm_policy_alloc_security =   selinux_xfrm_policy_alloc,
diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
index df2de54a958d..14d04e63b1f0 100644
--- a/security/selinux/include/classmap.h
+++ b/security/selinux/include/classmap.h
@@ -150,6 +150,6 @@ struct security_class_mapping secclass_map[] = {
            NULL } },
        { "kernel_service", { "use_as_override", "create_files_as", NULL } },
        { "tun_socket",
-          { COMMON_SOCK_PERMS, NULL } },
+          { COMMON_SOCK_PERMS, "attach_queue", NULL } },
        { NULL }
  };
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index 26c7eee1c309..aa47bcabb5f6 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -110,6 +110,10 @@ struct sk_security_struct {
        u16 sclass;                     /* sock security class */
 };
+struct tun_security_struct {
+        u32 sid;                        /* SID for the tun device sockets */
+};
 struct key_security_struct {
        u32 sid;        /* SID of key */
 };
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 0b6aebacc56b..c78286f6e5d8 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -656,29 +656,43 @@ static char *driver_short_names[] = {
 #define get_azx_dev(substream) (substream->runtime->private_data)
 #ifdef CONFIG_X86
-static void __mark_pages_wc(struct azx *chip, void *addr, size_t size, bool on)
+static void __mark_pages_wc(struct azx *chip, struct snd_dma_buffer *dmab, bool on)
 {
+        int pages;
        if (azx_snoop(chip))
                return;
-        if (addr && size) {
+        if (!dmab || !dmab->area || !dmab->bytes)
-                int pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
+                return;
+#ifdef CONFIG_SND_DMA_SGBUF
+        if (dmab->dev.type == SNDRV_DMA_TYPE_DEV_SG) {
+                struct snd_sg_buf *sgbuf = dmab->private_data;
                if (on)
-                        set_memory_wc((unsigned long)addr, pages);
+                        set_pages_array_wc(sgbuf->page_table, sgbuf->pages);
                else
-                        set_memory_wb((unsigned long)addr, pages);
+                        set_pages_array_wb(sgbuf->page_table, sgbuf->pages);
+                return;
        }
+#endif
+        pages = (dmab->bytes + PAGE_SIZE - 1) >> PAGE_SHIFT;
+        if (on)
+                set_memory_wc((unsigned long)dmab->area, pages);
+        else
+                set_memory_wb((unsigned long)dmab->area, pages);
 }
 static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
                                 bool on)
 {
-        __mark_pages_wc(chip, buf->area, buf->bytes, on);
+        __mark_pages_wc(chip, buf, on);
 }
 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
-                                   struct snd_pcm_runtime *runtime, bool on)
+                                   struct snd_pcm_substream *substream, bool on)
 {
        if (azx_dev->wc_marked != on) {
-                __mark_pages_wc(chip, runtime->dma_area, runtime->dma_bytes, on);
+                __mark_pages_wc(chip, snd_pcm_get_dma_buf(substream), on);
                azx_dev->wc_marked = on;
        }
 }
@@ -689,7 +703,7 @@ static inline void mark_pages_wc(struct azx *chip, struct snd_dma_buffer *buf,
 {
 }
 static inline void mark_runtime_wc(struct azx *chip, struct azx_dev *azx_dev,
-                                   struct snd_pcm_runtime *runtime, bool on)
+                                   struct snd_pcm_substream *substream, bool on)
 {
 }
 #endif
@@ -1968,11 +1982,10 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
 {
        struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
        struct azx *chip = apcm->chip;
-        struct snd_pcm_runtime *runtime = substream->runtime;
        struct azx_dev *azx_dev = get_azx_dev(substream);
        int ret;
-        mark_runtime_wc(chip, azx_dev, runtime, false);
+        mark_runtime_wc(chip, azx_dev, substream, false);
        azx_dev->bufsize = 0;
        azx_dev->period_bytes = 0;
        azx_dev->format_val = 0;
@@ -1980,7 +1993,7 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
                                        params_buffer_bytes(hw_params));
        if (ret < 0)
                return ret;
-        mark_runtime_wc(chip, azx_dev, runtime, true);
+        mark_runtime_wc(chip, azx_dev, substream, true);
        return ret;
 }
@@ -1989,7 +2002,6 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
        struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
        struct azx_dev *azx_dev = get_azx_dev(substream);
        struct azx *chip = apcm->chip;
-        struct snd_pcm_runtime *runtime = substream->runtime;
        struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
        /* reset BDL address */
@@ -2002,7 +2014,7 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
        snd_hda_codec_cleanup(apcm->codec, hinfo, substream);
-        mark_runtime_wc(chip, azx_dev, runtime, false);
+        mark_runtime_wc(chip, azx_dev, substream, false);
        return snd_pcm_lib_free_pages(substream);
 }
@@ -3613,13 +3625,12 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
        /* 5 Series/3400 */
        { PCI_DEVICE(0x8086, 0x3b56),
          .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
-        /* SCH */
+        /* Poulsbo */
        { PCI_DEVICE(0x8086, 0x811b),
-          .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
+          .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
-          AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Poulsbo */
+        /* Oaktrail */
        { PCI_DEVICE(0x8086, 0x080a),
-          .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
+          .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM },
-          AZX_DCAPS_BUFSIZE | AZX_DCAPS_POSFIX_LPIB }, /* Oaktrail */
        /* ICH */
        { PCI_DEVICE(0x8086, 0x2668),
          .driver_data = AZX_DRIVER_ICH | AZX_DCAPS_OLD_SSYNC |
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index cf3886171109..5faaad219a7f 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4694,6 +4694,7 @@ static const struct snd_pci_quirk alc880_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1584, 0x9077, "Uniwill P53", ALC880_FIXUP_VOL_KNOB),
        SND_PCI_QUIRK(0x161f, 0x203d, "W810", ALC880_FIXUP_W810),
        SND_PCI_QUIRK(0x161f, 0x205d, "Medion Rim 2150", ALC880_FIXUP_MEDION_RIM),
+        SND_PCI_QUIRK(0x1631, 0xe011, "PB 13201056", ALC880_FIXUP_6ST),
        SND_PCI_QUIRK(0x1734, 0x107c, "FSC F1734", ALC880_FIXUP_F1734),
        SND_PCI_QUIRK(0x1734, 0x1094, "FSC Amilo M1451G", ALC880_FIXUP_FUJITSU),
        SND_PCI_QUIRK(0x1734, 0x10ac, "FSC AMILO Xi 1526", ALC880_FIXUP_F1734),
@@ -5708,6 +5709,7 @@ static const struct alc_model_fixup alc268_fixup_models[] = {
 };
 static const struct snd_pci_quirk alc268_fixup_tbl[] = {
+        SND_PCI_QUIRK(0x1025, 0x015b, "Acer AOA 150 (ZG5)", ALC268_FIXUP_INV_DMIC),
        /* below is codec SSID since multiple Toshiba laptops have the
         * same PCI SSID 1179:ff00
         */
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 1d8bb5917594..ef62c435848e 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -685,7 +685,7 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
        }
        sr_val = i;
-        lrclk = snd_soc_params_to_bclk(params) / params_rate(params);
+        lrclk = rates[bclk] / params_rate(params);
        arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n",
                        rates[bclk], rates[bclk] / lrclk);
@@ -1082,6 +1082,9 @@ int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq,
                        id, ret);
        }
+        regmap_update_bits(arizona->regmap, fll->base + 1,
+                           ARIZONA_FLL1_FREERUN, 0);
        return 0;
 }
 EXPORT_SYMBOL_GPL(arizona_init_fll);
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index e6cefe1ac677..d8c65f574658 100644
--- a/sound/soc/codecs/wm2200.c
+++ b/sound/soc/codecs/wm2200.c
@@ -1019,8 +1019,6 @@ static const char *wm2200_mixer_texts[] = {
        "EQR",
        "LHPF1",
        "LHPF2",
-        "LHPF3",
-        "LHPF4",
        "DSP1.1",
        "DSP1.2",
        "DSP1.3",
@@ -1053,7 +1051,6 @@ static int wm2200_mixer_values[] = {
        0x25,
        0x50,   /* EQ */
        0x51,
-        0x52,
        0x60,   /* LHPF1 */
        0x61,   /* LHPF2 */
        0x68,   /* DSP1 */
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index 7a9048dad1cd..1440b3f9b7bb 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -896,8 +896,7 @@ static const unsigned int wm5102_aec_loopback_values[] = {
 static const struct soc_enum wm5102_aec_loopback =
        SOC_VALUE_ENUM_SINGLE(ARIZONA_DAC_AEC_CONTROL_1,
-                              ARIZONA_AEC_LOOPBACK_SRC_SHIFT,
+                              ARIZONA_AEC_LOOPBACK_SRC_SHIFT, 0xf,
-                              ARIZONA_AEC_LOOPBACK_SRC_MASK,
                              ARRAY_SIZE(wm5102_aec_loopback_texts),
                              wm5102_aec_loopback_texts,
                              wm5102_aec_loopback_values);
diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c
index ae80c8c28536..7a090968c4f7 100644
--- a/sound/soc/codecs/wm5110.c
+++ b/sound/soc/codecs/wm5110.c
@@ -344,8 +344,7 @@ static const unsigned int wm5110_aec_loopback_values[] = {
 static const struct soc_enum wm5110_aec_loopback =
        SOC_VALUE_ENUM_SINGLE(ARIZONA_DAC_AEC_CONTROL_1,
-                              ARIZONA_AEC_LOOPBACK_SRC_SHIFT,
+                              ARIZONA_AEC_LOOPBACK_SRC_SHIFT, 0xf,
-                              ARIZONA_AEC_LOOPBACK_SRC_MASK,
                              ARRAY_SIZE(wm5110_aec_loopback_texts),
                              wm5110_aec_loopback_texts,
                              wm5110_aec_loopback_values);
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 7b198c38f3ef..b6b654837585 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -324,7 +324,7 @@ static int wm_adsp_load(struct wm_adsp *dsp)
                if (reg) {
                        buf = kmemdup(region->data, le32_to_cpu(region->len),
-                                      GFP_KERNEL);
+                                      GFP_KERNEL | GFP_DMA);
                        if (!buf) {
                                adsp_err(dsp, "Out of memory\n");
                                return -ENOMEM;
@@ -396,7 +396,7 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
        hdr = (void*)&firmware->data[0];
        if (memcmp(hdr->magic, "WMDR", 4) != 0) {
                adsp_err(dsp, "%s: invalid magic\n", file);
-                return -EINVAL;
+                goto out_fw;
        }
        adsp_dbg(dsp, "%s: v%d.%d.%d\n", file,
@@ -439,7 +439,7 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
                if (reg) {
                        buf = kmemdup(blk->data, le32_to_cpu(blk->len),
-                                      GFP_KERNEL);
+                                      GFP_KERNEL | GFP_DMA);
                        if (!buf) {
                                adsp_err(dsp, "Out of memory\n");
                                return -ENOMEM;
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index 3b98159d9645..a210c8d7b4bc 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -108,18 +108,13 @@ if SND_IMX_SOC
 config SND_SOC_IMX_SSI
        tristate
-config SND_SOC_IMX_PCM
-        tristate
 config SND_SOC_IMX_PCM_FIQ
-        bool
+        tristate
        select FIQ
-        select SND_SOC_IMX_PCM
 config SND_SOC_IMX_PCM_DMA
-        bool
+        tristate
        select SND_SOC_DMAENGINE_PCM
-        select SND_SOC_IMX_PCM
 config SND_SOC_IMX_AUDMUX
        tristate
diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile
index afd34794db53..ec1457915d7c 100644
--- a/sound/soc/fsl/Makefile
+++ b/sound/soc/fsl/Makefile
@@ -41,7 +41,10 @@ endif
 obj-$(CONFIG_SND_SOC_IMX_SSI) += snd-soc-imx-ssi.o
 obj-$(CONFIG_SND_SOC_IMX_AUDMUX) += snd-soc-imx-audmux.o
-obj-$(CONFIG_SND_SOC_IMX_PCM) += snd-soc-imx-pcm.o
+obj-$(CONFIG_SND_SOC_IMX_PCM_FIQ) += snd-soc-imx-pcm-fiq.o
+snd-soc-imx-pcm-fiq-y := imx-pcm-fiq.o imx-pcm.o
+obj-$(CONFIG_SND_SOC_IMX_PCM_DMA) += snd-soc-imx-pcm-dma.o
+snd-soc-imx-pcm-dma-y := imx-pcm-dma.o imx-pcm.o
 # i.MX Machine Support
 snd-soc-eukrea-tlv320-objs := eukrea-tlv320.o
diff --git a/sound/soc/fsl/imx-pcm.c b/sound/soc/fsl/imx-pcm.c
index d5cd9eff3b48..0c9f188ddc68 100644
--- a/sound/soc/fsl/imx-pcm.c
+++ b/sound/soc/fsl/imx-pcm.c
@@ -31,7 +31,6 @@ int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
                        runtime->dma_bytes);
        return ret;
 }
-EXPORT_SYMBOL_GPL(snd_imx_pcm_mmap);
 static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
 {
@@ -80,7 +79,6 @@ int imx_pcm_new(struct snd_soc_pcm_runtime *rtd)
 out:
        return ret;
 }
-EXPORT_SYMBOL_GPL(imx_pcm_new);
 void imx_pcm_free(struct snd_pcm *pcm)
 {
@@ -102,7 +100,6 @@ void imx_pcm_free(struct snd_pcm *pcm)
                buf->area = NULL;
        }
 }
-EXPORT_SYMBOL_GPL(imx_pcm_free);
 MODULE_DESCRIPTION("Freescale i.MX PCM driver");
 MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 1e36bc81e5af..258acadb9e7d 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1023,7 +1023,7 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w,
        if (SND_SOC_DAPM_EVENT_ON(event)) {
                if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
-                        ret = regulator_allow_bypass(w->regulator, true);
+                        ret = regulator_allow_bypass(w->regulator, false);
                        if (ret != 0)
                                dev_warn(w->dapm->dev,
                                         "ASoC: Failed to bypass %s: %d\n",
@@ -1033,7 +1033,7 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w,
                return regulator_enable(w->regulator);
        } else {
                if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
-                        ret = regulator_allow_bypass(w->regulator, false);
+                        ret = regulator_allow_bypass(w->regulator, true);
                        if (ret != 0)
                                dev_warn(w->dapm->dev,
                                         "ASoC: Failed to unbypass %s: %d\n",
@@ -3039,6 +3039,14 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
                                w->name, ret);
                        return NULL;
                }
+                if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
+                        ret = regulator_allow_bypass(w->regulator, true);
+                        if (ret != 0)
+                                dev_warn(w->dapm->dev,
+                                         "ASoC: Failed to unbypass %s: %d\n",
+                                         w->name, ret);
+                }
                break;
        case snd_soc_dapm_clock_supply:
 #ifdef CONFIG_CLKDEV_LOOKUP
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index ed4d89c8b52a..e90daf8cdaa8 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1331,16 +1331,23 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void
                }
                channels = (hdr->bLength - 7) / csize - 1;
                bmaControls = hdr->bmaControls;
+                if (hdr->bLength < 7 + csize) {
+                        snd_printk(KERN_ERR "usbaudio: unit %u: "
+                                   "invalid UAC_FEATURE_UNIT descriptor\n",
+                                   unitid);
+                        return -EINVAL;
+                }
        } else {
                struct uac2_feature_unit_descriptor *ftr = _ftr;
                csize = 4;
                channels = (hdr->bLength - 6) / 4 - 1;
                bmaControls = ftr->bmaControls;
-        }
+                if (hdr->bLength < 6 + csize) {
+                        snd_printk(KERN_ERR "usbaudio: unit %u: "
-        if (hdr->bLength < 7 || !csize || hdr->bLength < 7 + csize) {
+                                   "invalid UAC_FEATURE_UNIT descriptor\n",
-                snd_printk(KERN_ERR "usbaudio: unit %u: invalid UAC_FEATURE_UNIT descriptor\n", unitid);
+                                   unitid);
-                return -EINVAL;
+                        return -EINVAL;
+                }
        }
        /* parse the source unit */