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

Bring in the 'net' tree so that we can get some ipv4/ipv6 bug
fixes that some net-next work will build upon.

Signed-off-by: David S. Miller <davem@davemloft.net>

393 files changed, 3572 insertions, 1814 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/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index 8fbd8b46ee34..dcf338e62b71 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -175,9 +175,9 @@ consists of multiple segments as described below.
                                             align with the zone size <-|
                  |-> align with the segment size
      _________________________________________________________________________
-    |            |            |    Node     |   Segment   |   Segment  |      |
-    | Superblock | Checkpoint |   Address   |    Info.    |   Summary  | Main |
-    |    (SB)    |   (CP)     | Table (NAT) | Table (SIT) | Area (SSA) |      |
+    |            |            |   Segment   |    Node     |   Segment  |      |
+    | Superblock | Checkpoint |    Info.    |   Address   |   Summary  | Main |
+    |    (SB)    |   (CP)     | Table (SIT) | Table (NAT) | Area (SSA) |      |
     |____________|_____2______|______N______|______N______|______N_____|__N___|
                                                                        .      .
                                                              .                .
@@ -200,14 +200,14 @@ consists of multiple segments as described below.
  : It contains file system information, bitmaps for valid NAT/SIT sets, orphan
    inode lists, and summary entries of current active segments.
 
-- Node Address Table (NAT)
- : It is composed of a block address table for all the node blocks stored in
-   Main area.
-
 - Segment Information Table (SIT)
  : It contains segment information such as valid block count and bitmap for the
    validity of all the blocks.
 
+- Node Address Table (NAT)
+ : It is composed of a block address table for all the node blocks stored in
+   Main area.
+
 - Segment Summary Area (SSA)
  : It contains summary entries which contains the owner information of all the
    data and node blocks stored in Main area.
@@ -236,13 +236,13 @@ For file system consistency, each CP points to which NAT and SIT copies are
 valid, as shown as below.
 
   +--------+----------+---------+
-  |   CP   |    NAT   |   SIT   |
+  |   CP   |    SIT   |   NAT   |
   +--------+----------+---------+
   .         .          .          .
   .            .              .              .
   .               .                 .                 .
   +-------+-------+--------+--------+--------+--------+
-  | CP #0 | CP #1 | NAT #0 | NAT #1 | SIT #0 | SIT #1 |
+  | CP #0 | CP #1 | SIT #0 | SIT #1 | NAT #0 | NAT #1 |
   +-------+-------+--------+--------+--------+--------+
      |             ^                          ^
      |             |                          |
diff --git a/MAINTAINERS b/MAINTAINERS
index a7aadea909df..b5ab4d9a48a7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1972,9 +1972,9 @@ S:	Maintained
 F:      drivers/usb/host/ohci-ep93xx.c
 
 CIRRUS LOGIC CS4270 SOUND DRIVER
-M:      Timur Tabi <timur@freescale.com>
+M:      Timur Tabi <timur@tabi.org>
 L:      alsa-devel@alsa-project.org (moderated for non-subscribers)
-S:      Supported
+S:      Odd Fixes
 F:      sound/soc/codecs/cs4270*
 
 CLEANCACHE API
@@ -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
@@ -3186,9 +3186,9 @@ F:	include/uapi/video/
 F:      include/uapi/linux/fb.h
 
 FREESCALE DIU FRAMEBUFFER DRIVER
-M:      Timur Tabi <timur@freescale.com>
+M:      Timur Tabi <timur@tabi.org>
 L:      linux-fbdev@vger.kernel.org
-S:      Supported
+S:      Maintained
 F:      drivers/video/fsl-diu-fb.*
 
 FREESCALE DMA DRIVER
@@ -3223,9 +3223,8 @@ F:	drivers/net/ethernet/freescale/fs_enet/
 F:      include/linux/fs_enet_pd.h
 
 FREESCALE QUICC ENGINE LIBRARY
-M:      Timur Tabi <timur@freescale.com>
 L:      linuxppc-dev@lists.ozlabs.org
-S:      Supported
+S:      Orphan
 F:      arch/powerpc/sysdev/qe_lib/
 F:      arch/powerpc/include/asm/*qe.h
 
@@ -3244,16 +3243,16 @@ S:	Maintained
 F:      drivers/net/ethernet/freescale/ucc_geth*
 
 FREESCALE QUICC ENGINE UCC UART DRIVER
-M:      Timur Tabi <timur@freescale.com>
+M:      Timur Tabi <timur@tabi.org>
 L:      linuxppc-dev@lists.ozlabs.org
-S:      Supported
+S:      Maintained
 F:      drivers/tty/serial/ucc_uart.c
 
 FREESCALE SOC SOUND DRIVERS
-M:      Timur Tabi <timur@freescale.com>
+M:      Timur Tabi <timur@tabi.org>
 L:      alsa-devel@alsa-project.org (moderated for non-subscribers)
 L:      linuxppc-dev@lists.ozlabs.org
-S:      Supported
+S:      Maintained
 F:      sound/soc/fsl/fsl*
 F:      sound/soc/fsl/mpc8610_hpcd.c
 
@@ -4901,7 +4900,7 @@ 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*
@@ -5176,7 +5175,7 @@ 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
@@ -6574,7 +6573,7 @@ F:	drivers/media/platform/s3c-camif/
 F:      include/media/s3c_camif.h
 
 SERIAL DRIVERS
-M:      Alan Cox <alan@linux.intel.com>
+M:      Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 L:      linux-serial@vger.kernel.org
 S:      Maintained
 F:      drivers/tty/serial
diff --git a/Makefile b/Makefile
index a1667c4bcce5..2d3c92c774fb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 8
 SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc5
 NAME = Terrified Chipmunk
 
 # *DOCUMENTATION*
@@ -169,7 +169,7 @@ SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
                                   -e s/arm.*/arm/ -e s/sa110/arm/ \
                                   -e s/s390x/s390/ -e s/parisc64/parisc/ \
                                   -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-                                  -e s/sh[234].*/sh/ )
+                                  -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
 
 # Cross compiling and selecting different set of gcc/bin-utils
 # ---------------------------------------------------------------------------
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";
-                        reg = <0xd0018100 0x40>,
-                            <0xd0018800 0x30>;
+                        compatible = "marvell,orion-gpio";
+                        reg = <0xd0018100 0x40>;
                         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";
-                        reg = <0xd0018140 0x40>,
-                            <0xd0018840 0x30>;
+                        compatible = "marvell,orion-gpio";
+                        reg = <0xd0018140 0x40>;
                         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";
-                        reg = <0xd0018100 0x40>,
-                            <0xd0018800 0x30>;
+                        compatible = "marvell,orion-gpio";
+                        reg = <0xd0018100 0x40>;
                         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";
-                        reg = <0xd0018140 0x40>,
-                            <0xd0018840 0x30>;
+                        compatible = "marvell,orion-gpio";
+                        reg = <0xd0018140 0x40>;
                         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";
-                        reg = <0xd0018180 0x40>,
-                            <0xd0018870 0x30>;
+                        compatible = "marvell,orion-gpio";
+                        reg = <0xd0018180 0x40>;
                         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";
-                        reg = <0xd0018100 0x40>,
-                            <0xd0018800 0x30>;
+                        compatible = "marvell,orion-gpio";
+                        reg = <0xd0018100 0x40>;
                         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";
-                        reg = <0xd0018140 0x40>,
-                            <0xd0018840 0x30>;
+                        compatible = "marvell,orion-gpio";
+                        reg = <0xd0018140 0x40>;
                         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";
-                        reg = <0xd0018180 0x40>,
-                            <0xd0018870 0x30>;
+                        compatible = "marvell,orion-gpio";
+                        reg = <0xd0018180 0x40>;
                         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 */
-                         &pioA 24 0 /* scl */
+                gpios = <&pioA 25 0 /* sda */
+                         &pioA 26 0 /* scl */
                         >;
                 i2c-gpio,sda-open-drain;
                 i2c-gpio,scl-open-drain;
diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index 68bccf41a2c6..cb7bcc51608d 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -306,6 +306,22 @@
                                         };
                                 };
 
+                                ssc0 {
+                                        pinctrl_ssc0_tx: ssc0_tx-0 {
+                                                atmel,pins =
+                                                        <1 16 0x1 0x0   /* PB16 periph A */
+                                                         1 17 0x1 0x0   /* PB17 periph A */
+                                                         1 18 0x1 0x0>; /* PB18 periph A */
+                                        };
+
+                                        pinctrl_ssc0_rx: ssc0_rx-0 {
+                                                atmel,pins =
+                                                        <1 19 0x1 0x0   /* PB19 periph A */
+                                                         1 20 0x1 0x0   /* PB20 periph A */
+                                                         1 21 0x1 0x0>; /* PB21 periph A */
+                                        };
+                                };
+
                                 pioA: gpio@fffff400 {
                                         compatible = "atmel,at91rm9200-gpio";
                                         reg = <0xfffff400 0x200>;
@@ -450,6 +466,8 @@
                                 compatible = "atmel,at91rm9200-ssc";
                                 reg = <0xfffbc000 0x4000>;
                                 interrupts = <14 4 5>;
+                                pinctrl-names = "default";
+                                pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
                                 status = "disabled";
                         };
 
diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi
index 32ec62cf5385..271d4de026e9 100644
--- a/arch/arm/boot/dts/at91sam9263.dtsi
+++ b/arch/arm/boot/dts/at91sam9263.dtsi
@@ -271,6 +271,38 @@
                                         };
                                 };
 
+                                ssc0 {
+                                        pinctrl_ssc0_tx: ssc0_tx-0 {
+                                                atmel,pins =
+                                                        <1 0 0x2 0x0    /* PB0 periph B */
+                                                         1 1 0x2 0x0    /* PB1 periph B */
+                                                         1 2 0x2 0x0>;  /* PB2 periph B */
+                                        };
+
+                                        pinctrl_ssc0_rx: ssc0_rx-0 {
+                                                atmel,pins =
+                                                        <1 3 0x2 0x0    /* PB3 periph B */
+                                                         1 4 0x2 0x0    /* PB4 periph B */
+                                                         1 5 0x2 0x0>;  /* PB5 periph B */
+                                        };
+                                };
+
+                                ssc1 {
+                                        pinctrl_ssc1_tx: ssc1_tx-0 {
+                                                atmel,pins =
+                                                        <1 6 0x1 0x0    /* PB6 periph A */
+                                                         1 7 0x1 0x0    /* PB7 periph A */
+                                                         1 8 0x1 0x0>;  /* PB8 periph A */
+                                        };
+
+                                        pinctrl_ssc1_rx: ssc1_rx-0 {
+                                                atmel,pins =
+                                                        <1 9 0x1 0x0    /* PB9 periph A */
+                                                         1 10 0x1 0x0   /* PB10 periph A */
+                                                         1 11 0x1 0x0>; /* PB11 periph A */
+                                        };
+                                };
+
                                 pioA: gpio@fffff200 {
                                         compatible = "atmel,at91rm9200-gpio";
                                         reg = <0xfffff200 0x200>;
@@ -368,6 +400,8 @@
                                 compatible = "atmel,at91rm9200-ssc";
                                 reg = <0xfff98000 0x4000>;
                                 interrupts = <16 4 5>;
+                                pinctrl-names = "default";
+                                pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
                                 status = "disabled";
                         };
 
@@ -375,6 +409,8 @@
                                 compatible = "atmel,at91rm9200-ssc";
                                 reg = <0xfff9c000 0x4000>;
                                 interrupts = <17 4 5>;
+                                pinctrl-names = "default";
+                                pinctrl-0 = <&pinctrl_ssc1_tx &pinctrl_ssc1_rx>;
                                 status = "disabled";
                         };
 
diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
index 231858ffd850..6b1d4cab24c2 100644
--- a/arch/arm/boot/dts/at91sam9g45.dtsi
+++ b/arch/arm/boot/dts/at91sam9g45.dtsi
@@ -290,6 +290,38 @@
                                         };
                                 };
 
+                                ssc0 {
+                                        pinctrl_ssc0_tx: ssc0_tx-0 {
+                                                atmel,pins =
+                                                        <3 0 0x1 0x0    /* PD0 periph A */
+                                                         3 1 0x1 0x0    /* PD1 periph A */
+                                                         3 2 0x1 0x0>;  /* PD2 periph A */
+                                        };
+
+                                        pinctrl_ssc0_rx: ssc0_rx-0 {
+                                                atmel,pins =
+                                                        <3 3 0x1 0x0    /* PD3 periph A */
+                                                         3 4 0x1 0x0    /* PD4 periph A */
+                                                         3 5 0x1 0x0>;  /* PD5 periph A */
+                                        };
+                                };
+
+                                ssc1 {
+                                        pinctrl_ssc1_tx: ssc1_tx-0 {
+                                                atmel,pins =
+                                                        <3 10 0x1 0x0   /* PD10 periph A */
+                                                         3 11 0x1 0x0   /* PD11 periph A */
+                                                         3 12 0x1 0x0>; /* PD12 periph A */
+                                        };
+
+                                        pinctrl_ssc1_rx: ssc1_rx-0 {
+                                                atmel,pins =
+                                                        <3 13 0x1 0x0   /* PD13 periph A */
+                                                         3 14 0x1 0x0   /* PD14 periph A */
+                                                         3 15 0x1 0x0>; /* PD15 periph A */
+                                        };
+                                };
+
                                 pioA: gpio@fffff200 {
                                         compatible = "atmel,at91rm9200-gpio";
                                         reg = <0xfffff200 0x200>;
@@ -425,6 +457,8 @@
                                 compatible = "atmel,at91sam9g45-ssc";
                                 reg = <0xfff9c000 0x4000>;
                                 interrupts = <16 4 5>;
+                                pinctrl-names = "default";
+                                pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
                                 status = "disabled";
                         };
 
@@ -432,6 +466,8 @@
                                 compatible = "atmel,at91sam9g45-ssc";
                                 reg = <0xfffa0000 0x4000>;
                                 interrupts = <17 4 5>;
+                                pinctrl-names = "default";
+                                pinctrl-0 = <&pinctrl_ssc1_tx &pinctrl_ssc1_rx>;
                                 status = "disabled";
                         };
 
diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
index e9efb34f4379..80e29c605d4e 100644
--- a/arch/arm/boot/dts/at91sam9n12.dtsi
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -28,6 +28,7 @@
                 tcb1 = &tcb1;
                 i2c0 = &i2c0;
                 i2c1 = &i2c1;
+                ssc0 = &ssc0;
         };
         cpus {
                 cpu@0 {
@@ -244,6 +245,22 @@
                                         };
                                 };
 
+                                ssc0 {
+                                        pinctrl_ssc0_tx: ssc0_tx-0 {
+                                                atmel,pins =
+                                                        <0 24 0x2 0x0   /* PA24 periph B */
+                                                         0 25 0x2 0x0   /* PA25 periph B */
+                                                         0 26 0x2 0x0>; /* PA26 periph B */
+                                        };
+
+                                        pinctrl_ssc0_rx: ssc0_rx-0 {
+                                                atmel,pins =
+                                                        <0 27 0x2 0x0   /* PA27 periph B */
+                                                         0 28 0x2 0x0   /* PA28 periph B */
+                                                         0 29 0x2 0x0>; /* PA29 periph B */
+                                        };
+                                };
+
                                 pioA: gpio@fffff400 {
                                         compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
                                         reg = <0xfffff400 0x200>;
@@ -294,6 +311,15 @@
                                 status = "disabled";
                         };
 
+                        ssc0: ssc@f0010000 {
+                                compatible = "atmel,at91sam9g45-ssc";
+                                reg = <0xf0010000 0x4000>;
+                                interrupts = <28 4 5>;
+                                pinctrl-names = "default";
+                                pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
+                                status = "disabled";
+                        };
+
                         usart0: serial@f801c000 {
                                 compatible = "atmel,at91sam9260-usart";
                                 reg = <0xf801c000 0x4000>;
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index 40ac3a4eb1ab..8ecca6948d81 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -88,13 +88,6 @@
                                 interrupts = <1 4 7>;
                         };
 
-                        ssc0: ssc@f0010000 {
-                                compatible = "atmel,at91sam9g45-ssc";
-                                reg = <0xf0010000 0x4000>;
-                                interrupts = <28 4 5>;
-                                status = "disabled";
-                        };
-
                         tcb0: timer@f8008000 {
                                 compatible = "atmel,at91sam9x5-tcb";
                                 reg = <0xf8008000 0x100>;
@@ -150,6 +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 {
@@ -161,12 +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 */
                                         };
                                 };
 
@@ -179,46 +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 */
-                                                         3 23 0x2 0x0>; /* PC23 periph B */
+                                                        <2 23 0x2 0x1   /* PC22 periph B with pullup */
+                                                         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 */
-                                                         3 9 0x3 0x1>;  /* PC9 periph C with pullup */
+                                                        <2 8 0x3 0x0    /* PC8 periph C */
+                                                         2 9 0x3 0x1>;  /* PC9 periph C with pullup */
                                         };
                                 };
 
                                 uart1 {
                                         pinctrl_uart1: uart1-0 {
                                                 atmel,pins =
-                                                        <3 16 0x3 0x0   /* PC16 periph C */
-                                                         3 17 0x3 0x1>; /* PC17 periph C with pullup */
+                                                        <2 16 0x3 0x0   /* PC16 periph C */
+                                                         2 17 0x3 0x1>; /* PC17 periph C with pullup */
                                         };
                                 };
 
@@ -247,14 +260,14 @@
 
                                         pinctrl_macb0_rmii_mii: macb0_rmii_mii-0 {
                                                 atmel,pins =
-                                                        <1 8 0x1 0x0    /* PA8 periph A */
-                                                         1 11 0x1 0x0   /* PA11 periph A */
-                                                         1 12 0x1 0x0   /* PA12 periph A */
-                                                         1 13 0x1 0x0   /* PA13 periph A */
-                                                         1 14 0x1 0x0   /* PA14 periph A */
-                                                         1 15 0x1 0x0   /* PA15 periph A */
-                                                         1 16 0x1 0x0   /* PA16 periph A */
-                                                         1 17 0x1 0x0>; /* PA17 periph A */
+                                                        <1 8 0x1 0x0    /* PB8 periph A */
+                                                         1 11 0x1 0x0   /* PB11 periph A */
+                                                         1 12 0x1 0x0   /* PB12 periph A */
+                                                         1 13 0x1 0x0   /* PB13 periph A */
+                                                         1 14 0x1 0x0   /* PB14 periph A */
+                                                         1 15 0x1 0x0   /* PB15 periph A */
+                                                         1 16 0x1 0x0   /* PB16 periph A */
+                                                         1 17 0x1 0x0>; /* PB17 periph A */
                                         };
                                 };
 
@@ -290,6 +303,22 @@
                                         };
                                 };
 
+                                ssc0 {
+                                        pinctrl_ssc0_tx: ssc0_tx-0 {
+                                                atmel,pins =
+                                                        <0 24 0x2 0x0   /* PA24 periph B */
+                                                         0 25 0x2 0x0   /* PA25 periph B */
+                                                         0 26 0x2 0x0>; /* PA26 periph B */
+                                        };
+
+                                        pinctrl_ssc0_rx: ssc0_rx-0 {
+                                                atmel,pins =
+                                                        <0 27 0x2 0x0   /* PA27 periph B */
+                                                         0 28 0x2 0x0   /* PA28 periph B */
+                                                         0 29 0x2 0x0>; /* PA29 periph B */
+                                        };
+                                };
+
                                 pioA: gpio@fffff400 {
                                         compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
                                         reg = <0xfffff400 0x200>;
@@ -333,6 +362,15 @@
                                 };
                         };
 
+                        ssc0: ssc@f0010000 {
+                                compatible = "atmel,at91sam9g45-ssc";
+                                reg = <0xf0010000 0x4000>;
+                                interrupts = <28 4 5>;
+                                pinctrl-names = "default";
+                                pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
+                                status = "disabled";
+                        };
+
                         mmc0: mmc@f0008000 {
                                 compatible = "atmel,hsmci";
                                 reg = <0xf0008000 0x600>;
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-ddr-timing = <1 2 3>;
+                samsung,dw-mshc-sdr-timing = <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-ddr-timing = <1 2 3>;
+                samsung,dw-mshc-sdr-timing = <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-ddr-timing = <1 2 3>;
+                samsung,dw-mshc-sdr-timing = <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-ddr-timing = <1 2 3>;
+                samsung,dw-mshc-sdr-timing = <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-ddr-timing = <1 2 3>;
+                samsung,dw-mshc-sdr-timing = <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
-        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.
+        bx      lr                      @ 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-imx25.c b/arch/arm/mach-imx/clk-imx25.c
index b197aa73dc4b..2c570cdaae7b 100644
--- a/arch/arm/mach-imx/clk-imx25.c
+++ b/arch/arm/mach-imx/clk-imx25.c
@@ -254,9 +254,9 @@ int __init mx25_clocks_init(void)
         clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2");
         clk_register_clkdev(clk[usbotg_ahb], "ahb", "mxc-ehci.2");
         clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2");
-        clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc");
-        clk_register_clkdev(clk[usbotg_ahb], "ahb", "fsl-usb2-udc");
-        clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc");
+        clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27");
+        clk_register_clkdev(clk[usbotg_ahb], "ahb", "imx-udc-mx27");
+        clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27");
         clk_register_clkdev(clk[nfc_ipg_per], NULL, "imx25-nand.0");
         /* i.mx25 has the i.mx35 type cspi */
         clk_register_clkdev(clk[cspi1_ipg], NULL, "imx35-cspi.0");
diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c
index 4c1d1e4efc74..1ffe3b534e51 100644
--- a/arch/arm/mach-imx/clk-imx27.c
+++ b/arch/arm/mach-imx/clk-imx27.c
@@ -236,9 +236,9 @@ int __init mx27_clocks_init(unsigned long fref)
         clk_register_clkdev(clk[lcdc_ahb_gate], "ahb", "imx21-fb.0");
         clk_register_clkdev(clk[csi_ahb_gate], "ahb", "imx27-camera.0");
         clk_register_clkdev(clk[per4_gate], "per", "imx27-camera.0");
-        clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc");
-        clk_register_clkdev(clk[usb_ipg_gate], "ipg", "fsl-usb2-udc");
-        clk_register_clkdev(clk[usb_ahb_gate], "ahb", "fsl-usb2-udc");
+        clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27");
+        clk_register_clkdev(clk[usb_ipg_gate], "ipg", "imx-udc-mx27");
+        clk_register_clkdev(clk[usb_ahb_gate], "ahb", "imx-udc-mx27");
         clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.0");
         clk_register_clkdev(clk[usb_ipg_gate], "ipg", "mxc-ehci.0");
         clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.0");
diff --git a/arch/arm/mach-imx/clk-imx31.c b/arch/arm/mach-imx/clk-imx31.c
index 8be64e0a4ace..16ccbd41dea9 100644
--- a/arch/arm/mach-imx/clk-imx31.c
+++ b/arch/arm/mach-imx/clk-imx31.c
@@ -139,9 +139,9 @@ int __init mx31_clocks_init(unsigned long fref)
         clk_register_clkdev(clk[usb_div_post], "per", "mxc-ehci.2");
         clk_register_clkdev(clk[usb_gate], "ahb", "mxc-ehci.2");
         clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2");
-        clk_register_clkdev(clk[usb_div_post], "per", "fsl-usb2-udc");
-        clk_register_clkdev(clk[usb_gate], "ahb", "fsl-usb2-udc");
-        clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc");
+        clk_register_clkdev(clk[usb_div_post], "per", "imx-udc-mx27");
+        clk_register_clkdev(clk[usb_gate], "ahb", "imx-udc-mx27");
+        clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27");
         clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
         /* i.mx31 has the i.mx21 type uart */
         clk_register_clkdev(clk[uart1_gate], "per", "imx21-uart.0");
diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
index 66f3d65ea275..f0727e80815d 100644
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c
@@ -251,9 +251,9 @@ int __init mx35_clocks_init()
         clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2");
         clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2");
         clk_register_clkdev(clk[usbotg_gate], "ahb", "mxc-ehci.2");
-        clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc");
-        clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc");
-        clk_register_clkdev(clk[usbotg_gate], "ahb", "fsl-usb2-udc");
+        clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27");
+        clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27");
+        clk_register_clkdev(clk[usbotg_gate], "ahb", "imx-udc-mx27");
         clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
         clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0");
         clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c
index 579023f59dc1..fb7cb841b64c 100644
--- a/arch/arm/mach-imx/clk-imx51-imx53.c
+++ b/arch/arm/mach-imx/clk-imx51-imx53.c
@@ -269,9 +269,9 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil,
         clk_register_clkdev(clk[usboh3_per_gate], "per", "mxc-ehci.2");
         clk_register_clkdev(clk[usboh3_gate], "ipg", "mxc-ehci.2");
         clk_register_clkdev(clk[usboh3_gate], "ahb", "mxc-ehci.2");
-        clk_register_clkdev(clk[usboh3_per_gate], "per", "fsl-usb2-udc");
-        clk_register_clkdev(clk[usboh3_gate], "ipg", "fsl-usb2-udc");
-        clk_register_clkdev(clk[usboh3_gate], "ahb", "fsl-usb2-udc");
+        clk_register_clkdev(clk[usboh3_per_gate], "per", "imx-udc-mx51");
+        clk_register_clkdev(clk[usboh3_gate], "ipg", "imx-udc-mx51");
+        clk_register_clkdev(clk[usboh3_gate], "ahb", "imx-udc-mx51");
         clk_register_clkdev(clk[nfc_gate], NULL, "imx51-nand");
         clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "imx-ssi.0");
         clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "imx-ssi.1");
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/devices-common.h b/arch/arm/mach-imx/devices/devices-common.h
index 6277baf1b7be..9bd5777ff0e7 100644
--- a/arch/arm/mach-imx/devices/devices-common.h
+++ b/arch/arm/mach-imx/devices/devices-common.h
@@ -63,6 +63,7 @@ struct platform_device *__init imx_add_flexcan(
 
 #include <linux/fsl_devices.h>
 struct imx_fsl_usb2_udc_data {
+        const char *devid;
         resource_size_t iobase;
         resource_size_t irq;
 };
diff --git a/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c b/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c
index 37e44398197b..3c06bd96e9cc 100644
--- a/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c
+++ b/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c
@@ -11,35 +11,36 @@
 #include "../hardware.h"
 #include "devices-common.h"
 
-#define imx_fsl_usb2_udc_data_entry_single(soc)                         \
+#define imx_fsl_usb2_udc_data_entry_single(soc, _devid)                 \
         {                                                               \
+                .devid = _devid,                                        \
                 .iobase = soc ## _USB_OTG_BASE_ADDR,                    \
                 .irq = soc ## _INT_USB_OTG,                             \
         }
 
 #ifdef CONFIG_SOC_IMX25
 const struct imx_fsl_usb2_udc_data imx25_fsl_usb2_udc_data __initconst =
-        imx_fsl_usb2_udc_data_entry_single(MX25);
+        imx_fsl_usb2_udc_data_entry_single(MX25, "imx-udc-mx27");
 #endif /* ifdef CONFIG_SOC_IMX25 */
 
 #ifdef CONFIG_SOC_IMX27
 const struct imx_fsl_usb2_udc_data imx27_fsl_usb2_udc_data __initconst =
-        imx_fsl_usb2_udc_data_entry_single(MX27);
+        imx_fsl_usb2_udc_data_entry_single(MX27, "imx-udc-mx27");
 #endif /* ifdef CONFIG_SOC_IMX27 */
 
 #ifdef CONFIG_SOC_IMX31
 const struct imx_fsl_usb2_udc_data imx31_fsl_usb2_udc_data __initconst =
-        imx_fsl_usb2_udc_data_entry_single(MX31);
+        imx_fsl_usb2_udc_data_entry_single(MX31, "imx-udc-mx27");
 #endif /* ifdef CONFIG_SOC_IMX31 */
 
 #ifdef CONFIG_SOC_IMX35
 const struct imx_fsl_usb2_udc_data imx35_fsl_usb2_udc_data __initconst =
-        imx_fsl_usb2_udc_data_entry_single(MX35);
+        imx_fsl_usb2_udc_data_entry_single(MX35, "imx-udc-mx27");
 #endif /* ifdef CONFIG_SOC_IMX35 */
 
 #ifdef CONFIG_SOC_IMX51
 const struct imx_fsl_usb2_udc_data imx51_fsl_usb2_udc_data __initconst =
-        imx_fsl_usb2_udc_data_entry_single(MX51);
+        imx_fsl_usb2_udc_data_entry_single(MX51, "imx-udc-mx51");
 #endif
 
 struct platform_device *__init imx_add_fsl_usb2_udc(
@@ -57,7 +58,7 @@ struct platform_device *__init imx_add_fsl_usb2_udc(
                         .flags = IORESOURCE_IRQ,
                 },
         };
-        return imx_add_platform_device_dmamask("fsl-usb2-udc", -1,
+        return imx_add_platform_device_dmamask(data->devid, -1,
                         res, ARRAY_SIZE(res),
                         pdata, sizeof(*pdata), DMA_BIT_MASK(32));
 }
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 */
-        while (1)
-                ;
+int imx_cpu_kill(unsigned int cpu)
+{
+        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 "iram.h"
+#include "linux/platform_data/imx-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);
-                if (!rc)
-                        rc = clk_set_rate(&dpll_abe_ck, OMAP4_DPLL_ABE_DEFFREQ);
-                if (rc)
-                        pr_err("%s: failed to configure ABE DPLL!\n", __func__);
-        }
+        rc = clk_set_parent(&abe_dpll_refclk_mux_ck, &sys_32k_ck);
+        if (!rc)
+                rc = clk_set_rate(&dpll_abe_ck, OMAP4_DPLL_ABE_DEFFREQ);
+        if (rc)
+                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)) {
-                        of_node_put(np);
+                if (!of_device_is_available(np))
                         continue;
-                }
 
-                if (property && !of_get_property(np, property, NULL)) {
-                        of_node_put(np);
+                if (property && !of_get_property(np, property, NULL))
                         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 (offset >= PAGE_SIZE) {
-                                        page += offset / PAGE_SIZE;
-                                        offset %= PAGE_SIZE;
-                                }
+                        if (len + 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/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
index 07fea290d7c1..fe32c0e4ac01 100644
--- a/arch/arm64/include/asm/elf.h
+++ b/arch/arm64/include/asm/elf.h
@@ -26,7 +26,10 @@
 
 typedef unsigned long elf_greg_t;
 
-#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
+#define ELF_NGREG (sizeof(struct user_pt_regs) / sizeof(elf_greg_t))
+#define ELF_CORE_COPY_REGS(dest, regs)  \
+        *(struct user_pt_regs *)&(dest) = (regs)->user_regs;
+
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 typedef struct user_fpsimd_state elf_fpregset_t;
 
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 64b133949502..e333a243bfcc 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -24,7 +24,8 @@
 /*
  * Software defined PTE bits definition.
  */
-#define PTE_VALID               (_AT(pteval_t, 1) << 0) /* pte_present() check */
+#define PTE_VALID               (_AT(pteval_t, 1) << 0)
+#define PTE_PROT_NONE           (_AT(pteval_t, 1) << 1) /* only when !PTE_VALID */
 #define PTE_FILE                (_AT(pteval_t, 1) << 2) /* only when !pte_present() */
 #define PTE_DIRTY               (_AT(pteval_t, 1) << 55)
 #define PTE_SPECIAL             (_AT(pteval_t, 1) << 56)
@@ -60,9 +61,12 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
 
 extern pgprot_t pgprot_default;
 
-#define _MOD_PROT(p, b) __pgprot(pgprot_val(p) | (b))
+#define __pgprot_modify(prot,mask,bits) \
+        __pgprot((pgprot_val(prot) & ~(mask)) | (bits))
+
+#define _MOD_PROT(p, b)         __pgprot_modify(p, 0, b)
 
-#define PAGE_NONE               _MOD_PROT(pgprot_default, PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
+#define PAGE_NONE               __pgprot_modify(pgprot_default, PTE_TYPE_MASK, PTE_PROT_NONE)
 #define PAGE_SHARED             _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
 #define PAGE_SHARED_EXEC        _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN)
 #define PAGE_COPY               _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
@@ -72,7 +76,7 @@ extern pgprot_t pgprot_default;
 #define PAGE_KERNEL             _MOD_PROT(pgprot_default, PTE_PXN | PTE_UXN | PTE_DIRTY)
 #define PAGE_KERNEL_EXEC        _MOD_PROT(pgprot_default, PTE_UXN | PTE_DIRTY)
 
-#define __PAGE_NONE             __pgprot(_PAGE_DEFAULT | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
+#define __PAGE_NONE             __pgprot(((_PAGE_DEFAULT) & ~PTE_TYPE_MASK) | PTE_PROT_NONE)
 #define __PAGE_SHARED           __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
 #define __PAGE_SHARED_EXEC      __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN)
 #define __PAGE_COPY             __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
@@ -125,16 +129,15 @@ extern struct page *empty_zero_page;
 /*
  * The following only work if pte_present(). Undefined behaviour otherwise.
  */
-#define pte_present(pte)        (pte_val(pte) & PTE_VALID)
+#define pte_present(pte)        (pte_val(pte) & (PTE_VALID | PTE_PROT_NONE))
 #define pte_dirty(pte)          (pte_val(pte) & PTE_DIRTY)
 #define pte_young(pte)          (pte_val(pte) & PTE_AF)
 #define pte_special(pte)        (pte_val(pte) & PTE_SPECIAL)
 #define pte_write(pte)          (!(pte_val(pte) & PTE_RDONLY))
 #define pte_exec(pte)           (!(pte_val(pte) & PTE_UXN))
 
-#define pte_present_exec_user(pte) \
-        ((pte_val(pte) & (PTE_VALID | PTE_USER | PTE_UXN)) == \
-         (PTE_VALID | PTE_USER))
+#define pte_valid_user(pte) \
+        ((pte_val(pte) & (PTE_VALID | PTE_USER)) == (PTE_VALID | PTE_USER))
 
 #define PTE_BIT_FUNC(fn,op) \
 static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; }
@@ -157,10 +160,13 @@ extern void __sync_icache_dcache(pte_t pteval, unsigned long addr);
 static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
                               pte_t *ptep, pte_t pte)
 {
-        if (pte_present_exec_user(pte))
-                __sync_icache_dcache(pte, addr);
-        if (!pte_dirty(pte))
-                pte = pte_wrprotect(pte);
+        if (pte_valid_user(pte)) {
+                if (pte_exec(pte))
+                        __sync_icache_dcache(pte, addr);
+                if (!pte_dirty(pte))
+                        pte = pte_wrprotect(pte);
+        }
+
         set_pte(ptep, pte);
 }
 
@@ -170,9 +176,6 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
 #define pte_huge(pte)           ((pte_val(pte) & PTE_TYPE_MASK) == PTE_TYPE_HUGEPAGE)
 #define pte_mkhuge(pte)         (__pte((pte_val(pte) & ~PTE_TYPE_MASK) | PTE_TYPE_HUGEPAGE))
 
-#define __pgprot_modify(prot,mask,bits)         \
-        __pgprot((pgprot_val(prot) & ~(mask)) | (bits))
-
 #define __HAVE_ARCH_PTE_SPECIAL
 
 /*
@@ -264,7 +267,8 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
 
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
-        const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY;
+        const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY |
+                              PTE_PROT_NONE | PTE_VALID;
         pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask);
         return pte;
 }
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 58432625fdb3..5ef47ba3ed45 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -395,8 +395,13 @@ __SYSCALL(370, sys_name_to_handle_at)
 __SYSCALL(371, compat_sys_open_by_handle_at)
 __SYSCALL(372, compat_sys_clock_adjtime)
 __SYSCALL(373, sys_syncfs)
+__SYSCALL(374, compat_sys_sendmmsg)
+__SYSCALL(375, sys_setns)
+__SYSCALL(376, compat_sys_process_vm_readv)
+__SYSCALL(377, compat_sys_process_vm_writev)
+__SYSCALL(378, sys_ni_syscall)                  /* 378 for kcmp */
 
-#define __NR_compat_syscalls            374
+#define __NR_compat_syscalls            379
 
 /*
  * Compat syscall numbers used by the AArch64 kernel.
diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index c958cb84d75f..6a389dc1bd49 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -252,10 +252,6 @@ void update_vsyscall(struct timekeeper *tk)
 
 void update_vsyscall_tz(void)
 {
-        ++vdso_data->tb_seq_count;
-        smp_wmb();
         vdso_data->tz_minuteswest       = sys_tz.tz_minuteswest;
         vdso_data->tz_dsttime           = sys_tz.tz_dsttime;
-        smp_wmb();
-        ++vdso_data->tb_seq_count;
 }
diff --git a/arch/arm64/kernel/vdso/gettimeofday.S b/arch/arm64/kernel/vdso/gettimeofday.S
index 8bf658d974f9..f0a6d10b5211 100644
--- a/arch/arm64/kernel/vdso/gettimeofday.S
+++ b/arch/arm64/kernel/vdso/gettimeofday.S
@@ -73,8 +73,6 @@ ENTRY(__kernel_gettimeofday)
         /* If tz is NULL, return 0. */
         cbz     x1, 3f
         ldp     w4, w5, [vdso_data, #VDSO_TZ_MINWEST]
-        seqcnt_read w9
-        seqcnt_check w9, 1b
         stp     w4, w5, [x1, #TZ_MINWEST]
 3:
         mov     x0, xzr
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 4265ff64219b..b7a5fffe0924 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -672,33 +672,6 @@ ptrace_attach_sync_user_rbs (struct task_struct *child)
         read_unlock(&tasklist_lock);
 }
 
-static inline int
-thread_matches (struct task_struct *thread, unsigned long addr)
-{
-        unsigned long thread_rbs_end;
-        struct pt_regs *thread_regs;
-
-        if (ptrace_check_attach(thread, 0) < 0)
-                /*
-                 * If the thread is not in an attachable state, we'll
-                 * ignore it.  The net effect is that if ADDR happens
-                 * to overlap with the portion of the thread's
-                 * register backing store that is currently residing
-                 * on the thread's kernel stack, then ptrace() may end
-                 * up accessing a stale value.  But if the thread
-                 * isn't stopped, that's a problem anyhow, so we're
-                 * doing as well as we can...
-                 */
-                return 0;
-
-        thread_regs = task_pt_regs(thread);
-        thread_rbs_end = ia64_get_user_rbs_end(thread, thread_regs, NULL);
-        if (!on_kernel_rbs(addr, thread_regs->ar_bspstore, thread_rbs_end))
-                return 0;
-
-        return 1;       /* looks like we've got a winner */
-}
-
 /*
  * Write f32-f127 back to task->thread.fph if it has been modified.
  */
diff --git a/arch/m68k/include/asm/dma-mapping.h b/arch/m68k/include/asm/dma-mapping.h
index 17f7a45948ea..3e6b8445af6a 100644
--- a/arch/m68k/include/asm/dma-mapping.h
+++ b/arch/m68k/include/asm/dma-mapping.h
@@ -21,6 +21,22 @@ extern void *dma_alloc_coherent(struct device *, size_t,
 extern void dma_free_coherent(struct device *, size_t,
                               void *, dma_addr_t);
 
+static inline void *dma_alloc_attrs(struct device *dev, size_t size,
+                                    dma_addr_t *dma_handle, gfp_t flag,
+                                    struct dma_attrs *attrs)
+{
+        /* attrs is not supported and ignored */
+        return dma_alloc_coherent(dev, size, dma_handle, flag);
+}
+
+static inline void dma_free_attrs(struct device *dev, size_t size,
+                                  void *cpu_addr, dma_addr_t dma_handle,
+                                  struct dma_attrs *attrs)
+{
+        /* attrs is not supported and ignored */
+        dma_free_coherent(dev, size, cpu_addr, dma_handle);
+}
+
 static inline void *dma_alloc_noncoherent(struct device *dev, size_t size,
                                           dma_addr_t *handle, gfp_t flag)
 {
diff --git a/arch/m68k/include/asm/pgtable_no.h b/arch/m68k/include/asm/pgtable_no.h
index bf86b29fe64a..037028f4ab70 100644
--- a/arch/m68k/include/asm/pgtable_no.h
+++ b/arch/m68k/include/asm/pgtable_no.h
@@ -64,6 +64,8 @@ extern unsigned int kobjsize(const void *objp);
  */
 #define VMALLOC_START   0
 #define VMALLOC_END     0xffffffff
+#define KMAP_START      0
+#define KMAP_END        0xffffffff
 
 #include <asm-generic/pgtable.h>
 
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 847994ce6804..f9337f614660 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -4,7 +4,7 @@
 #include <uapi/asm/unistd.h>
 
 
-#define NR_syscalls             348
+#define NR_syscalls             349
 
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_OLD_STAT
diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h
index b94bfbf90705..625f321001dc 100644
--- a/arch/m68k/include/uapi/asm/unistd.h
+++ b/arch/m68k/include/uapi/asm/unistd.h
@@ -353,5 +353,6 @@
 #define __NR_process_vm_readv   345
 #define __NR_process_vm_writev  346
 #define __NR_kcmp               347
+#define __NR_finit_module       348
 
 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */
diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S
index c30da5b3f2db..3f04ea0ab802 100644
--- a/arch/m68k/kernel/syscalltable.S
+++ b/arch/m68k/kernel/syscalltable.S
@@ -368,4 +368,5 @@ ENTRY(sys_call_table)
         .long sys_process_vm_readv      /* 345 */
         .long sys_process_vm_writev
         .long sys_kcmp
+        .long sys_finit_module
 
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index f0e05bce92f2..afd8106fd83b 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -39,6 +39,11 @@
 void *empty_zero_page;
 EXPORT_SYMBOL(empty_zero_page);
 
+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
+extern void init_pointer_table(unsigned long ptable);
+extern pmd_t *zero_pgtable;
+#endif
+
 #ifdef CONFIG_MMU
 
 pg_data_t pg_data_map[MAX_NUMNODES];
@@ -69,9 +74,6 @@ void __init m68k_setup_node(int node)
         node_set_online(node);
 }
 
-extern void init_pointer_table(unsigned long ptable);
-extern pmd_t *zero_pgtable;
-
 #else /* CONFIG_MMU */
 
 /*
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index bfb44247d7a7..eb7850b46c25 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -1865,7 +1865,7 @@ syscall_restore:
 
         /* Are we being ptraced? */
         ldw     TASK_FLAGS(%r1),%r19
-        ldi     (_TIF_SINGLESTEP|_TIF_BLOCKSTEP),%r2
+        ldi     _TIF_SYSCALL_TRACE_MASK,%r2
         and,COND(=)     %r19,%r2,%r0
         b,n     syscall_restore_rfi
 
@@ -1978,15 +1978,23 @@ syscall_restore_rfi:
         /* sr2 should be set to zero for userspace syscalls */
         STREG   %r0,TASK_PT_SR2(%r1)
 
-pt_regs_ok:
         LDREG   TASK_PT_GR31(%r1),%r2
-        depi    3,31,2,%r2                         /* ensure return to user mode. */
-        STREG   %r2,TASK_PT_IAOQ0(%r1)
+        depi    3,31,2,%r2                 /* ensure return to user mode. */
+        STREG   %r2,TASK_PT_IAOQ0(%r1)
         ldo     4(%r2),%r2
         STREG   %r2,TASK_PT_IAOQ1(%r1)
+        b       intr_restore
         copy    %r25,%r16
+
+pt_regs_ok:
+        LDREG   TASK_PT_IAOQ0(%r1),%r2
+        depi    3,31,2,%r2                 /* ensure return to user mode. */
+        STREG   %r2,TASK_PT_IAOQ0(%r1)
+        LDREG   TASK_PT_IAOQ1(%r1),%r2
+        depi    3,31,2,%r2
+        STREG   %r2,TASK_PT_IAOQ1(%r1)
         b       intr_restore
-        nop
+        copy    %r25,%r16
 
         .import schedule,code
 syscall_do_resched:
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index c0b1affc06a8..0299d63cd112 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -410,11 +410,13 @@ void __init init_IRQ(void)
 {
         local_irq_disable();    /* PARANOID - should already be disabled */
         mtctl(~0UL, 23);        /* EIRR : clear all pending external intr */
-        claim_cpu_irqs();
 #ifdef CONFIG_SMP
-        if (!cpu_eiem)
+        if (!cpu_eiem) {
+                claim_cpu_irqs();
                 cpu_eiem = EIEM_MASK(IPI_IRQ) | EIEM_MASK(TIMER_IRQ);
+        }
 #else
+        claim_cpu_irqs();
         cpu_eiem = EIEM_MASK(TIMER_IRQ);
 #endif
         set_eiem(cpu_eiem);     /* EIEM : enable all external intr */
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 857c2f545470..534abd4936e1 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -26,7 +26,7 @@
 #include <asm/asm-offsets.h>
 
 /* PSW bits we allow the debugger to modify */
-#define USER_PSW_BITS   (PSW_N | PSW_V | PSW_CB)
+#define USER_PSW_BITS   (PSW_N | PSW_B | PSW_V | PSW_CB)
 
 /*
  * Called by kernel/ptrace.c when detaching..
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 537996955998..fd051705a407 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -190,8 +190,10 @@ get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size)
         DBG(1,"get_sigframe: ka = %#lx, sp = %#lx, frame_size = %#lx\n",
                         (unsigned long)ka, sp, frame_size);
         
+        /* Align alternate stack and reserve 64 bytes for the signal
+           handler's frame marker.  */
         if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! sas_ss_flags(sp))
-                sp = current->sas_ss_sp; /* Stacks grow up! */
+                sp = (current->sas_ss_sp + 0x7f) & ~0x3f; /* Stacks grow up! */
 
         DBG(1,"get_sigframe: Returning sp = %#lx\n", (unsigned long)sp);
         return (void __user *) sp; /* Stacks grow up.  Fun. */
diff --git a/arch/parisc/math-emu/cnv_float.h b/arch/parisc/math-emu/cnv_float.h
index 9071e093164a..933423fa5144 100644
--- a/arch/parisc/math-emu/cnv_float.h
+++ b/arch/parisc/math-emu/cnv_float.h
@@ -347,16 +347,15 @@
     Sgl_isinexact_to_fix(sgl_value,exponent)
 
 #define Duint_from_sgl_mantissa(sgl_value,exponent,dresultA,dresultB)   \
-  {Sall(sgl_value) <<= SGL_EXP_LENGTH;  /*  left-justify  */            \
+  {unsigned int val = Sall(sgl_value) << SGL_EXP_LENGTH;                \
     if (exponent <= 31) {                                               \
-        Dintp1(dresultA) = 0;                                           \
-        Dintp2(dresultB) = (unsigned)Sall(sgl_value) >> (31 - exponent); \
+        Dintp1(dresultA) = 0;                                           \
+        Dintp2(dresultB) = val >> (31 - exponent);                      \
     }                                                                   \
     else {                                                              \
-        Dintp1(dresultA) = Sall(sgl_value) >> (63 - exponent);          \
-        Dintp2(dresultB) = Sall(sgl_value) << (exponent - 31);          \
+        Dintp1(dresultA) = val >> (63 - exponent);                      \
+        Dintp2(dresultB) = exponent <= 62 ? val << (exponent - 31) : 0; \
     }                                                                   \
-    Sall(sgl_value) >>= SGL_EXP_LENGTH;  /* return to original */       \
   }
 
 #define Duint_setzero(dresultA,dresultB)        \
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 *)kmalloc(sizeof(struct thread_info), GFP_KERNEL);
+        struct thread_info *backup_current_thread_info;
 
         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/Makefile b/arch/s390/Makefile
index 4b8e08b56f49..7e3ce78d4290 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -24,8 +24,8 @@ CHECKFLAGS	+= -D__s390__ -msize-long
 else
 LD_BFD          := elf64-s390
 LDFLAGS         := -m elf64_s390
-KBUILD_AFLAGS_MODULE += -fpic -D__PIC__
-KBUILD_CFLAGS_MODULE += -fpic -D__PIC__
+KBUILD_AFLAGS_MODULE += -fPIC
+KBUILD_CFLAGS_MODULE += -fPIC
 KBUILD_CFLAGS   += -m64
 KBUILD_AFLAGS   += -m64
 UTS_MACHINE     := s390x
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index c928dc1938f2..c1d7930a82f4 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1387,10 +1387,7 @@ static inline int has_transparent_hugepage(void)
 
 static inline unsigned long pmd_pfn(pmd_t pmd)
 {
-        if (pmd_trans_huge(pmd))
-                return pmd_val(pmd) >> HPAGE_SHIFT;
-        else
-                return pmd_val(pmd) >> PAGE_SHIFT;
+        return pmd_val(pmd) >> PAGE_SHIFT;
 }
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index fba4d66788a2..4c060bb5b8ea 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -128,4 +128,32 @@ static inline unsigned long long get_clock_monotonic(void)
         return get_clock_xt() - sched_clock_base_cc;
 }
 
+/**
+ * tod_to_ns - convert a TOD format value to nanoseconds
+ * @todval: to be converted TOD format value
+ * Returns: number of nanoseconds that correspond to the TOD format value
+ *
+ * Converting a 64 Bit TOD format value to nanoseconds means that the value
+ * must be divided by 4.096. In order to achieve that we multiply with 125
+ * and divide by 512:
+ *
+ *    ns = (todval * 125) >> 9;
+ *
+ * In order to avoid an overflow with the multiplication we can rewrite this.
+ * With a split todval == 2^32 * th + tl (th upper 32 bits, tl lower 32 bits)
+ * we end up with
+ *
+ *    ns = ((2^32 * th + tl) * 125 ) >> 9;
+ * -> ns = (2^23 * th * 125) + ((tl * 125) >> 9);
+ *
+ */
+static inline unsigned long long tod_to_ns(unsigned long long todval)
+{
+        unsigned long long ns;
+
+        ns = ((todval >> 32) << 23) * 125;
+        ns += ((todval & 0xffffffff) * 125) >> 9;
+        return ns;
+}
+
 #endif
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index aff0e350d776..a5f4f5a1d24b 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -63,7 +63,7 @@ static DEFINE_PER_CPU(struct clock_event_device, comparators);
  */
 unsigned long long notrace __kprobes sched_clock(void)
 {
-        return (get_clock_monotonic() * 125) >> 9;
+        return tod_to_ns(get_clock_monotonic());
 }
 
 /*
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index c30615e605ac..82c481ddef76 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -408,7 +408,7 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu)
                 return 0;
         }
 
-        sltime = ((vcpu->arch.sie_block->ckc - now)*125)>>9;
+        sltime = tod_to_ns(vcpu->arch.sie_block->ckc - now);
 
         hrtimer_start(&vcpu->arch.ckc_timer, ktime_set (0, sltime) , HRTIMER_MODE_REL);
         VCPU_EVENT(vcpu, 5, "enabled wait via clock comparator: %llx ns", sltime);
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index c9011bfaabbe..f090e819bf71 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -613,7 +613,9 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
                 kvm_s390_deliver_pending_interrupts(vcpu);
 
         vcpu->arch.sie_block->icptcode = 0;
+        preempt_disable();
         kvm_guest_enter();
+        preempt_enable();
         VCPU_EVENT(vcpu, 6, "entering sie flags %x",
                    atomic_read(&vcpu->arch.sie_block->cpuflags));
         trace_kvm_s390_sie_enter(vcpu,
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 3fede4556c91..a0fa5791cd44 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -70,6 +70,16 @@
  *                                  OFF-ON : MMC
  */
 
+/*
+ * FSI - DA7210
+ *
+ * it needs amixer settings for playing
+ *
+ * amixer set 'HeadPhone' 80
+ * amixer set 'Out Mixer Left DAC Left' on
+ * amixer set 'Out Mixer Right DAC Right' on
+ */
+
 /* Heartbeat */
 static unsigned char led_pos[] = { 0, 1, 2, 3 };
 
diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index 37924afa8d8a..bf9f44f17c29 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -203,9 +203,9 @@ extern void __kernel_vsyscall;
         if (vdso_enabled)                                       \
                 NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);        \
         else                                                    \
-                NEW_AUX_ENT(AT_IGNORE, 0);
+                NEW_AUX_ENT(AT_IGNORE, 0)
 #else
-#define VSYSCALL_AUX_ENT
+#define VSYSCALL_AUX_ENT        NEW_AUX_ENT(AT_IGNORE, 0)
 #endif /* CONFIG_VSYSCALL */
 
 #ifdef CONFIG_SH_FPU
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index b1320d55ca30..e699a12cdcca 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -39,7 +39,7 @@
 /* This decides where the kernel will search for a free chunk of vm
  * space during mmap's.
  */
-#define TASK_UNMAPPED_BASE      (TASK_SIZE / 3)
+#define TASK_UNMAPPED_BASE      PAGE_ALIGN(TASK_SIZE / 3)
 
 /*
  * Bit of SR register
diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h
index 1ee8946f0952..1cc7d3197143 100644
--- a/arch/sh/include/asm/processor_64.h
+++ b/arch/sh/include/asm/processor_64.h
@@ -47,7 +47,7 @@ pc; })
 /* This decides where the kernel will search for a free chunk of vm
  * space during mmap's.
  */
-#define TASK_UNMAPPED_BASE      (TASK_SIZE / 3)
+#define TASK_UNMAPPED_BASE      PAGE_ALIGN(TASK_SIZE / 3)
 
 /*
  * Bit of SR register
diff --git a/arch/sh/include/uapi/asm/unistd_32.h b/arch/sh/include/uapi/asm/unistd_32.h
index 9e465f246dc1..d13a1d623736 100644
--- a/arch/sh/include/uapi/asm/unistd_32.h
+++ b/arch/sh/include/uapi/asm/unistd_32.h
@@ -379,7 +379,8 @@
 #define __NR_process_vm_readv   365
 #define __NR_process_vm_writev  366
 #define __NR_kcmp               367
+#define __NR_finit_module       368
 
-#define NR_syscalls 368
+#define NR_syscalls 369
 
 #endif /* __ASM_SH_UNISTD_32_H */
diff --git a/arch/sh/include/uapi/asm/unistd_64.h b/arch/sh/include/uapi/asm/unistd_64.h
index 8e3a2edd284e..e6820c86e8c7 100644
--- a/arch/sh/include/uapi/asm/unistd_64.h
+++ b/arch/sh/include/uapi/asm/unistd_64.h
@@ -399,7 +399,8 @@
 #define __NR_process_vm_readv   376
 #define __NR_process_vm_writev  377
 #define __NR_kcmp               378
+#define __NR_finit_module       379
 
-#define NR_syscalls 379
+#define NR_syscalls 380
 
 #endif /* __ASM_SH_UNISTD_64_H */
diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S
index fe97ae5e56f1..734234be2f01 100644
--- a/arch/sh/kernel/syscalls_32.S
+++ b/arch/sh/kernel/syscalls_32.S
@@ -385,3 +385,4 @@ ENTRY(sys_call_table)
         .long sys_process_vm_readv      /* 365 */
         .long sys_process_vm_writev
         .long sys_kcmp
+        .long sys_finit_module
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index 5c7b1c67bdc1..579fcb9a896b 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -405,3 +405,4 @@ sys_call_table:
         .long sys_process_vm_readv
         .long sys_process_vm_writev
         .long sys_kcmp
+        .long sys_finit_module
diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S
index 60164e65d665..52aa2011d753 100644
--- a/arch/sh/lib/mcount.S
+++ b/arch/sh/lib/mcount.S
@@ -294,6 +294,8 @@ stack_panic:
         .align 2
 .L_init_thread_union:
         .long   init_thread_union
+.L_ebss:
+        .long   __bss_stop
 .Lpanic:
         .long   panic
 .Lpanic_s:
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index b1942e222768..18e329ca108e 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -302,7 +302,7 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
                 if (status != EFI_SUCCESS)
                         continue;
 
-                if (!attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM)
+                if (!(attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM))
                         continue;
 
                 if (!pci->romimage || !pci->romsize)
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 4428fd178bce..6774c17a5576 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -340,9 +340,6 @@ int x86_setup_perfctr(struct perf_event *event)
                 /* BTS is currently only allowed for user-mode. */
                 if (!attr->exclude_kernel)
                         return -EOPNOTSUPP;
-
-                if (!attr->exclude_guest)
-                        return -EOPNOTSUPP;
         }
 
         hwc->config |= config;
@@ -385,9 +382,6 @@ int x86_pmu_hw_config(struct perf_event *event)
         if (event->attr.precise_ip) {
                 int precise = 0;
 
-                if (!event->attr.exclude_guest)
-                        return -EOPNOTSUPP;
-
                 /* Support for constant skid */
                 if (x86_pmu.pebs_active && !x86_pmu.pebs_broken) {
                         precise++;
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index ff84d5469d77..6ed91d9980e2 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1065,7 +1065,6 @@ ENTRY(xen_failsafe_callback)
         lea 16(%esp),%esp
         CFI_ADJUST_CFA_OFFSET -16
         jz 5f
-        addl $16,%esp
         jmp iret_exc
 5:      pushl_cfi $-1 /* orig_ax = -1 => not a system call */
         SAVE_ALL
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 23ddd558fbd5..00f6c1472b85 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -610,6 +610,83 @@ static __init void reserve_ibft_region(void)
 
 static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10;
 
+static bool __init snb_gfx_workaround_needed(void)
+{
+#ifdef CONFIG_PCI
+        int i;
+        u16 vendor, devid;
+        static const __initconst u16 snb_ids[] = {
+                0x0102,
+                0x0112,
+                0x0122,
+                0x0106,
+                0x0116,
+                0x0126,
+                0x010a,
+        };
+
+        /* Assume no if something weird is going on with PCI */
+        if (!early_pci_allowed())
+                return false;
+
+        vendor = read_pci_config_16(0, 2, 0, PCI_VENDOR_ID);
+        if (vendor != 0x8086)
+                return false;
+
+        devid = read_pci_config_16(0, 2, 0, PCI_DEVICE_ID);
+        for (i = 0; i < ARRAY_SIZE(snb_ids); i++)
+                if (devid == snb_ids[i])
+                        return true;
+#endif
+
+        return false;
+}
+
+/*
+ * Sandy Bridge graphics has trouble with certain ranges, exclude
+ * them from allocation.
+ */
+static void __init trim_snb_memory(void)
+{
+        static const __initconst unsigned long bad_pages[] = {
+                0x20050000,
+                0x20110000,
+                0x20130000,
+                0x20138000,
+                0x40004000,
+        };
+        int i;
+
+        if (!snb_gfx_workaround_needed())
+                return;
+
+        printk(KERN_DEBUG "reserving inaccessible SNB gfx pages\n");
+
+        /*
+         * Reserve all memory below the 1 MB mark that has not
+         * already been reserved.
+         */
+        memblock_reserve(0, 1<<20);
+        
+        for (i = 0; i < ARRAY_SIZE(bad_pages); i++) {
+                if (memblock_reserve(bad_pages[i], PAGE_SIZE))
+                        printk(KERN_WARNING "failed to reserve 0x%08lx\n",
+                               bad_pages[i]);
+        }
+}
+
+/*
+ * Here we put platform-specific memory range workarounds, i.e.
+ * memory known to be corrupt or otherwise in need to be reserved on
+ * specific platforms.
+ *
+ * If this gets used more widely it could use a real dispatch mechanism.
+ */
+static void __init trim_platform_memory_ranges(void)
+{
+        trim_snb_memory();
+}
+
 static void __init trim_bios_range(void)
 {
         /*
@@ -630,6 +707,7 @@ static void __init trim_bios_range(void)
          * take them out.
          */
         e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
+
         sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
 }
 
@@ -908,6 +986,8 @@ void __init setup_arch(char **cmdline_p)
 
         setup_real_mode();
 
+        trim_platform_memory_ranges();
+
         init_gbpages();
 
         /* max_pfn_mapped is updated here */
diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c
index cd3b2438a980..9b4d51d0c0d0 100644
--- a/arch/x86/kernel/step.c
+++ b/arch/x86/kernel/step.c
@@ -165,10 +165,11 @@ void set_task_blockstep(struct task_struct *task, bool on)
          * Ensure irq/preemption can't change debugctl in between.
          * Note also that both TIF_BLOCKSTEP and debugctl should
          * be changed atomically wrt preemption.
-         * FIXME: this means that set/clear TIF_BLOCKSTEP is simply
-         * wrong if task != current, SIGKILL can wakeup the stopped
-         * tracee and set/clear can play with the running task, this
-         * can confuse the next __switch_to_xtra().
+         *
+         * NOTE: this means that set/clear TIF_BLOCKSTEP is only safe if
+         * task is current or it can't be running, otherwise we can race
+         * with __switch_to_xtra(). We rely on ptrace_freeze_traced() but
+         * PTRACE_KILL is not safe.
          */
         local_irq_disable();
         debugctl = get_debugctlmsr();
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 4f7d2599b484..34bc4cee8887 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -432,13 +432,6 @@ static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */
         play_dead_common();
         HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL);
         cpu_bringup();
-        /*
-         * Balance out the preempt calls - as we are running in cpu_idle
-         * loop which has been called at bootup from cpu_bringup_and_idle.
-         * The cpucpu_bringup_and_idle called cpu_bringup which made a
-         * preempt_disable() So this preempt_enable will balance it out.
-         */
-        preempt_enable();
 }
 
 #else /* !CONFIG_HOTPLUG_CPU */
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/glue.c b/drivers/acpi/glue.c
index 95af6f674a6c..35da18113216 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -297,7 +297,7 @@ static int acpi_platform_notify(struct device *dev)
         if (!ret) {
                 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 
-                acpi_get_name(dev->acpi_handle, ACPI_FULL_PATHNAME, &buffer);
+                acpi_get_name(ACPI_HANDLE(dev), ACPI_FULL_PATHNAME, &buffer);
                 DBG("Device %s -> %s\n", dev_name(dev), (char *)buffer.pointer);
                 kfree(buffer.pointer);
         } else
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/ata/ahci.c b/drivers/ata/ahci.c
index 7862d17976b7..497912732566 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -53,6 +53,7 @@
 
 enum {
         AHCI_PCI_BAR_STA2X11    = 0,
+        AHCI_PCI_BAR_ENMOTUS    = 2,
         AHCI_PCI_BAR_STANDARD   = 5,
 };
 
@@ -410,6 +411,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
         { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci },   /* ASM1061 */
         { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci },   /* ASM1062 */
 
+        /* Enmotus */
+        { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
+
         /* Generic, PCI class code for AHCI */
         { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
           PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
@@ -1098,9 +1102,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                 dev_info(&pdev->dev,
                          "PDC42819 can only drive SATA devices with this driver\n");
 
-        /* The Connext uses non-standard BAR */
+        /* Both Connext and Enmotus devices use non-standard BARs */
         if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
                 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
+        else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
+                ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
 
         /* acquire resources */
         rc = pcim_enable_device(pdev);
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 320712a7b9ea..6cd7805e47ca 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1951,13 +1951,13 @@ static void ahci_set_aggressive_devslp(struct ata_port *ap, bool sleep)
         /* Use the nominal value 10 ms if the read MDAT is zero,
          * the nominal value of DETO is 20 ms.
          */
-        if (dev->sata_settings[ATA_LOG_DEVSLP_VALID] &
+        if (dev->devslp_timing[ATA_LOG_DEVSLP_VALID] &
             ATA_LOG_DEVSLP_VALID_MASK) {
-                mdat = dev->sata_settings[ATA_LOG_DEVSLP_MDAT] &
+                mdat = dev->devslp_timing[ATA_LOG_DEVSLP_MDAT] &
                        ATA_LOG_DEVSLP_MDAT_MASK;
                 if (!mdat)
                         mdat = 10;
-                deto = dev->sata_settings[ATA_LOG_DEVSLP_DETO];
+                deto = dev->devslp_timing[ATA_LOG_DEVSLP_DETO];
                 if (!deto)
                         deto = 20;
         } else {
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 9e8b99af400d..46cd3f4c6aaa 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2325,24 +2325,28 @@ int ata_dev_configure(struct ata_device *dev)
                         }
                 }
 
-                /* check and mark DevSlp capability */
-                if (ata_id_has_devslp(dev->id))
-                        dev->flags |= ATA_DFLAG_DEVSLP;
-
-                /* Obtain SATA Settings page from Identify Device Data Log,
-                 * which contains DevSlp timing variables etc.
-                 * Exclude old devices with ata_id_has_ncq()
+                /* Check and mark DevSlp capability. Get DevSlp timing variables
+                 * from SATA Settings page of Identify Device Data Log.
                  */
-                if (ata_id_has_ncq(dev->id)) {
+                if (ata_id_has_devslp(dev->id)) {
+                        u8 sata_setting[ATA_SECT_SIZE];
+                        int i, j;
+
+                        dev->flags |= ATA_DFLAG_DEVSLP;
                         err_mask = ata_read_log_page(dev,
                                                      ATA_LOG_SATA_ID_DEV_DATA,
                                                      ATA_LOG_SATA_SETTINGS,
-                                                     dev->sata_settings,
+                                                     sata_setting,
                                                      1);
                         if (err_mask)
                                 ata_dev_dbg(dev,
                                             "failed to get Identify Device Data, Emask 0x%x\n",
                                             err_mask);
+                        else
+                                for (i = 0; i < ATA_LOG_DEVSLP_SIZE; i++) {
+                                        j = ATA_LOG_DEVSLP_OFFSET + i;
+                                        dev->devslp_timing[i] = sata_setting[j];
+                                }
                 }
 
                 dev->cdb_len = 16;
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index bf039b0e97b7..bcf4437214f5 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2094,7 +2094,7 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev,
  */
 static inline int ata_eh_worth_retry(struct ata_queued_cmd *qc)
 {
-        if (qc->flags & AC_ERR_MEDIA)
+        if (qc->err_mask & AC_ERR_MEDIA)
                 return 0;       /* don't retry media errors */
         if (qc->flags & ATA_QCFLAG_IO)
                 return 1;       /* otherwise retry anything from fs stack */
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 63452943abd1..fb10728f6372 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -224,7 +224,7 @@ static void cpu_device_release(struct device *dev)
          * by the cpu device.
          *
          * Never copy this way of doing things, or you too will be made fun of
-         * on the linux-kerenl list, you have been warned.
+         * on the linux-kernel list, you have been warned.
          */
 }
 
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index d81460309182..b392b353be39 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -305,7 +305,7 @@ static bool fw_read_file_contents(struct file *file, struct firmware_buf *fw_buf
         char *buf;
 
         size = fw_file_size(file);
-        if (size < 0)
+        if (size <= 0)
                 return false;
         buf = vmalloc(size);
         if (!buf)
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 07aad786f817..d9a6c94ce423 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -56,6 +56,19 @@ static const struct file_operations regmap_name_fops = {
         .llseek = default_llseek,
 };
 
+static void regmap_debugfs_free_dump_cache(struct regmap *map)
+{
+        struct regmap_debugfs_off_cache *c;
+
+        while (!list_empty(&map->debugfs_off_cache)) {
+                c = list_first_entry(&map->debugfs_off_cache,
+                                     struct regmap_debugfs_off_cache,
+                                     list);
+                list_del(&c->list);
+                kfree(c);
+        }
+}
+
 /*
  * Work out where the start offset maps into register numbers, bearing
  * in mind that we suppress hidden registers.
@@ -91,8 +104,10 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map,
                         /* No cache entry?  Start a new one */
                         if (!c) {
                                 c = kzalloc(sizeof(*c), GFP_KERNEL);
-                                if (!c)
-                                        break;
+                                if (!c) {
+                                        regmap_debugfs_free_dump_cache(map);
+                                        return base;
+                                }
                                 c->min = p;
                                 c->base_reg = i;
                         }
@@ -101,14 +116,32 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map,
                 }
         }
 
+        /* Close the last entry off if we didn't scan beyond it */
+        if (c) {
+                c->max = p - 1;
+                list_add_tail(&c->list,
+                              &map->debugfs_off_cache);
+        }
+
+        /*
+         * This should never happen; we return above if we fail to
+         * allocate and we should never be in this code if there are
+         * no registers at all.
+         */
+        if (list_empty(&map->debugfs_off_cache)) {
+                WARN_ON(list_empty(&map->debugfs_off_cache));
+                return base;
+        }
+
         /* Find the relevant block */
         list_for_each_entry(c, &map->debugfs_off_cache, list) {
-                if (*pos >= c->min && *pos <= c->max) {
+                if (from >= c->min && from <= c->max) {
                         *pos = c->min;
                         return c->base_reg;
                 }
 
-                ret = c->max;
+                *pos = c->min;
+                ret = c->base_reg;
         }
 
         return ret;
@@ -387,16 +420,8 @@ void regmap_debugfs_init(struct regmap *map, const char *name)
 
 void regmap_debugfs_exit(struct regmap *map)
 {
-        struct regmap_debugfs_off_cache *c;
-
         debugfs_remove_recursive(map->debugfs);
-        while (!list_empty(&map->debugfs_off_cache)) {
-                c = list_first_entry(&map->debugfs_off_cache,
-                                     struct regmap_debugfs_off_cache,
-                                     list);
-                list_del(&c->list);
-                kfree(c);
-        }
+        regmap_debugfs_free_dump_cache(map);
         kfree(map->debugfs_name);
 }
 
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/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 9d8409c02082..8ad21a25bc0d 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -889,6 +889,7 @@ static void virtblk_remove(struct virtio_device *vdev)
 {
         struct virtio_blk *vblk = vdev->priv;
         int index = vblk->index;
+        int refc;
 
         /* Prevent config work handler from accessing the device. */
         mutex_lock(&vblk->config_lock);
@@ -903,11 +904,15 @@ static void virtblk_remove(struct virtio_device *vdev)
 
         flush_work(&vblk->config_work);
 
+        refc = atomic_read(&disk_to_dev(vblk->disk)->kobj.kref.refcount);
         put_disk(vblk->disk);
         mempool_destroy(vblk->pool);
         vdev->config->del_vqs(vdev);
         kfree(vblk);
-        ida_simple_remove(&vd_index_ida, index);
+
+        /* Only free device id if we don't have any users */
+        if (refc == 1)
+                ida_simple_remove(&vd_index_ida, index);
 }
 
 #ifdef CONFIG_PM
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/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index fb4a7dd57f94..e1f6860e069c 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -69,24 +69,15 @@ int cpuidle_play_dead(void)
 {
         struct cpuidle_device *dev = __this_cpu_read(cpuidle_devices);
         struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);
-        int i, dead_state = -1;
-        int power_usage = INT_MAX;
+        int i;
 
         if (!drv)
                 return -ENODEV;
 
         /* Find lowest-power state that supports long-term idle */
-        for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++) {
-                struct cpuidle_state *s = &drv->states[i];
-
-                if (s->power_usage < power_usage && s->enter_dead) {
-                        power_usage = s->power_usage;
-                        dead_state = i;
-                }
-        }
-
-        if (dead_state != -1)
-                return drv->states[dead_state].enter_dead(dev, dead_state);
+        for (i = drv->state_count - 1; i >= CPUIDLE_DRIVER_STATE_START; i--)
+                if (drv->states[i].enter_dead)
+                        return drv->states[i].enter_dead(dev, i);
 
         return -ENODEV;
 }
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index c2b281afe0ed..422c7b69ba7c 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -19,34 +19,9 @@ DEFINE_SPINLOCK(cpuidle_driver_lock);
 static void __cpuidle_set_cpu_driver(struct cpuidle_driver *drv, int cpu);
 static struct cpuidle_driver * __cpuidle_get_cpu_driver(int cpu);
 
-static void set_power_states(struct cpuidle_driver *drv)
-{
-        int i;
-
-        /*
-         * cpuidle driver should set the drv->power_specified bit
-         * before registering if the driver provides
-         * power_usage numbers.
-         *
-         * If power_specified is not set,
-         * we fill in power_usage with decreasing values as the
-         * cpuidle code has an implicit assumption that state Cn
-         * uses less power than C(n-1).
-         *
-         * With CONFIG_ARCH_HAS_CPU_RELAX, C0 is already assigned
-         * an power value of -1.  So we use -2, -3, etc, for other
-         * c-states.
-         */
-        for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++)
-                drv->states[i].power_usage = -1 - i;
-}
-
 static void __cpuidle_driver_init(struct cpuidle_driver *drv)
 {
         drv->refcnt = 0;
-
-        if (!drv->power_specified)
-                set_power_states(drv);
 }
 
 static int __cpuidle_register_driver(struct cpuidle_driver *drv, int cpu)
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 20ea33afdda1..fe343a06b7da 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -312,7 +312,6 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev)
 {
         struct menu_device *data = &__get_cpu_var(menu_devices);
         int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY);
-        int power_usage = INT_MAX;
         int i;
         int multiplier;
         struct timespec t;
@@ -383,11 +382,8 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev)
                 if (s->exit_latency * multiplier > data->predicted_us)
                         continue;
 
-                if (s->power_usage < power_usage) {
-                        power_usage = s->power_usage;
-                        data->last_state_idx = i;
-                        data->exit_us = s->exit_latency;
-                }
+                data->last_state_idx = i;
+                data->exit_us = s->exit_latency;
         }
 
         /* not deepest C-state chosen for low predicted residency */
diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c
index 340942946106..428754af6236 100644
--- a/drivers/cpuidle/sysfs.c
+++ b/drivers/cpuidle/sysfs.c
@@ -374,7 +374,7 @@ static int cpuidle_add_state_sysfs(struct cpuidle_device *device)
         struct cpuidle_driver *drv = cpuidle_get_cpu_driver(device);
 
         /* state statistics */
-        for (i = 0; i < drv->state_count; i++) {
+        for (i = 0; i < device->state_count; i++) {
                 kobj = kzalloc(sizeof(struct cpuidle_state_kobj), GFP_KERNEL);
                 if (!kobj)
                         goto error_state;
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,
-                               struct opp *oldopp)
+static int exynos4_bus_setvolt(struct busfreq_data *data,
+                               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);
-        unsigned long freq = opp_get_freq(opp);
-        unsigned long old_freq = opp_get_freq(data->curr_opp);
+        struct opp *opp;
+        unsigned long freq;
+        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;
-                if (!imxdma_hw_chain(imxdmac))
-                        return -EINVAL;
+                imxdmac->hw_chaining = 0;
+
                 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/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 7d9bd94be8d2..6819d63cb167 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -547,7 +547,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
         mvchip->membase = devm_request_and_ioremap(&pdev->dev, res);
         if (! mvchip->membase) {
                 dev_err(&pdev->dev, "Cannot ioremap\n");
-                kfree(mvchip->chip.label);
                 return -ENOMEM;
         }
 
@@ -557,14 +556,12 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
                 res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
                 if (! res) {
                         dev_err(&pdev->dev, "Cannot get memory resource\n");
-                        kfree(mvchip->chip.label);
                         return -ENODEV;
                 }
 
                 mvchip->percpu_membase = devm_request_and_ioremap(&pdev->dev, res);
                 if (! mvchip->percpu_membase) {
                         dev_err(&pdev->dev, "Cannot ioremap\n");
-                        kfree(mvchip->chip.label);
                         return -ENOMEM;
                 }
         }
@@ -625,7 +622,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
         mvchip->irqbase = irq_alloc_descs(-1, 0, ngpios, -1);
         if (mvchip->irqbase < 0) {
                 dev_err(&pdev->dev, "no irqs\n");
-                kfree(mvchip->chip.label);
                 return -ENOMEM;
         }
 
@@ -633,7 +629,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
                                     mvchip->membase, handle_level_irq);
         if (! gc) {
                 dev_err(&pdev->dev, "Cannot allocate generic irq_chip\n");
-                kfree(mvchip->chip.label);
                 return -ENOMEM;
         }
 
@@ -668,7 +663,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
                 irq_remove_generic_chip(gc, IRQ_MSK(ngpios), IRQ_NOREQUEST,
                                         IRQ_LEVEL | IRQ_NOPROBE);
                 kfree(gc);
-                kfree(mvchip->chip.label);
                 return -ENODEV;
         }
 
diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c
index 01f7fe955590..76be7eed79de 100644
--- a/drivers/gpio/gpio-samsung.c
+++ b/drivers/gpio/gpio-samsung.c
@@ -32,7 +32,6 @@
 
 #include <mach/hardware.h>
 #include <mach/map.h>
-#include <mach/regs-clock.h>
 #include <mach/regs-gpio.h>
 
 #include <plat/cpu.h>
@@ -446,7 +445,7 @@ static struct samsung_gpio_cfg s3c24xx_gpiocfg_banka = {
 };
 #endif
 
-#if defined(CONFIG_ARCH_EXYNOS4) || defined(CONFIG_ARCH_EXYNOS5)
+#if defined(CONFIG_ARCH_EXYNOS4) || defined(CONFIG_SOC_EXYNOS5250)
 static struct samsung_gpio_cfg exynos_gpio_cfg = {
         .set_pull       = exynos_gpio_setpull,
         .get_pull       = exynos_gpio_getpull,
@@ -2446,7 +2445,7 @@ static struct samsung_gpio_chip exynos4_gpios_3[] = {
 };
 #endif
 
-#ifdef CONFIG_ARCH_EXYNOS5
+#ifdef CONFIG_SOC_EXYNOS5250
 static struct samsung_gpio_chip exynos5_gpios_1[] = {
         {
                 .chip   = {
@@ -2614,7 +2613,7 @@ static struct samsung_gpio_chip exynos5_gpios_1[] = {
 };
 #endif
 
-#ifdef CONFIG_ARCH_EXYNOS5
+#ifdef CONFIG_SOC_EXYNOS5250
 static struct samsung_gpio_chip exynos5_gpios_2[] = {
         {
                 .chip   = {
@@ -2675,7 +2674,7 @@ static struct samsung_gpio_chip exynos5_gpios_2[] = {
 };
 #endif
 
-#ifdef CONFIG_ARCH_EXYNOS5
+#ifdef CONFIG_SOC_EXYNOS5250
 static struct samsung_gpio_chip exynos5_gpios_3[] = {
         {
                 .chip   = {
@@ -2711,7 +2710,7 @@ static struct samsung_gpio_chip exynos5_gpios_3[] = {
 };
 #endif
 
-#ifdef CONFIG_ARCH_EXYNOS5
+#ifdef CONFIG_SOC_EXYNOS5250
 static struct samsung_gpio_chip exynos5_gpios_4[] = {
         {
                 .chip   = {
@@ -3010,7 +3009,7 @@ static __init int samsung_gpiolib_init(void)
         int i, nr_chips;
         int group = 0;
 
-#ifdef CONFIG_PINCTRL_SAMSUNG
+#if defined(CONFIG_PINCTRL_EXYNOS) || defined(CONFIG_PINCTRL_EXYNOS5440)
         /*
         * This gpio driver includes support for device tree support and there
         * are platforms using it. In order to maintain compatibility with those
@@ -3026,6 +3025,7 @@ static __init int samsung_gpiolib_init(void)
         static const struct of_device_id exynos_pinctrl_ids[] = {
                 { .compatible = "samsung,pinctrl-exynos4210", },
                 { .compatible = "samsung,pinctrl-exynos4x12", },
+                { .compatible = "samsung,pinctrl-exynos5440", },
         };
         for_each_matching_node(pctrl_np, exynos_pinctrl_ids)
                 if (pctrl_np && of_device_is_available(pctrl_np))
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index e6a11ca85eaf..7944d301518a 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -641,6 +641,7 @@ static void i915_ring_error_state(struct seq_file *m,
         seq_printf(m, "%s command stream:\n", ring_str(ring));
         seq_printf(m, "  HEAD: 0x%08x\n", error->head[ring]);
         seq_printf(m, "  TAIL: 0x%08x\n", error->tail[ring]);
+        seq_printf(m, "  CTL: 0x%08x\n", error->ctl[ring]);
         seq_printf(m, "  ACTHD: 0x%08x\n", error->acthd[ring]);
         seq_printf(m, "  IPEIR: 0x%08x\n", error->ipeir[ring]);
         seq_printf(m, "  IPEHR: 0x%08x\n", error->ipehr[ring]);
@@ -693,6 +694,8 @@ static int i915_error_state(struct seq_file *m, void *unused)
         seq_printf(m, "EIR: 0x%08x\n", error->eir);
         seq_printf(m, "IER: 0x%08x\n", error->ier);
         seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
+        seq_printf(m, "FORCEWAKE: 0x%08x\n", error->forcewake);
+        seq_printf(m, "DERRMR: 0x%08x\n", error->derrmr);
         seq_printf(m, "CCID: 0x%08x\n", error->ccid);
 
         for (i = 0; i < dev_priv->num_fence_regs; i++)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ed3059575576..12ab3bdea54d 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -188,10 +188,13 @@ struct drm_i915_error_state {
         u32 pgtbl_er;
         u32 ier;
         u32 ccid;
+        u32 derrmr;
+        u32 forcewake;
         bool waiting[I915_NUM_RINGS];
         u32 pipestat[I915_MAX_PIPES];
         u32 tail[I915_NUM_RINGS];
         u32 head[I915_NUM_RINGS];
+        u32 ctl[I915_NUM_RINGS];
         u32 ipeir[I915_NUM_RINGS];
         u32 ipehr[I915_NUM_RINGS];
         u32 instdone[I915_NUM_RINGS];
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index d6a994a07393..26d08bb58218 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -539,6 +539,8 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
         total = 0;
         for (i = 0; i < count; i++) {
                 struct drm_i915_gem_relocation_entry __user *user_relocs;
+                u64 invalid_offset = (u64)-1;
+                int j;
 
                 user_relocs = (void __user *)(uintptr_t)exec[i].relocs_ptr;
 
@@ -549,6 +551,25 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
                         goto err;
                 }
 
+                /* As we do not update the known relocation offsets after
+                 * relocating (due to the complexities in lock handling),
+                 * we need to mark them as invalid now so that we force the
+                 * relocation processing next time. Just in case the target
+                 * object is evicted and then rebound into its old
+                 * presumed_offset before the next execbuffer - if that
+                 * happened we would make the mistake of assuming that the
+                 * relocations were valid.
+                 */
+                for (j = 0; j < exec[i].relocation_count; j++) {
+                        if (copy_to_user(&user_relocs[j].presumed_offset,
+                                         &invalid_offset,
+                                         sizeof(invalid_offset))) {
+                                ret = -EFAULT;
+                                mutex_lock(&dev->struct_mutex);
+                                goto err;
+                        }
+                }
+
                 reloc_offset[i] = total;
                 total += exec[i].relocation_count;
         }
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2220dec3e5d9..fe843389c7b4 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1157,6 +1157,7 @@ static void i915_record_ring_state(struct drm_device *dev,
         error->acthd[ring->id] = intel_ring_get_active_head(ring);
         error->head[ring->id] = I915_READ_HEAD(ring);
         error->tail[ring->id] = I915_READ_TAIL(ring);
+        error->ctl[ring->id] = I915_READ_CTL(ring);
 
         error->cpu_ring_head[ring->id] = ring->head;
         error->cpu_ring_tail[ring->id] = ring->tail;
@@ -1251,6 +1252,16 @@ static void i915_capture_error_state(struct drm_device *dev)
         else
                 error->ier = I915_READ(IER);
 
+        if (INTEL_INFO(dev)->gen >= 6)
+                error->derrmr = I915_READ(DERRMR);
+
+        if (IS_VALLEYVIEW(dev))
+                error->forcewake = I915_READ(FORCEWAKE_VLV);
+        else if (INTEL_INFO(dev)->gen >= 7)
+                error->forcewake = I915_READ(FORCEWAKE_MT);
+        else if (INTEL_INFO(dev)->gen == 6)
+                error->forcewake = I915_READ(FORCEWAKE);
+
         for_each_pipe(pipe)
                 error->pipestat[pipe] = I915_READ(PIPESTAT(pipe));
 
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 186ee5c85b51..b401788e1791 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -512,6 +512,8 @@
 #define GEN7_ERR_INT    0x44040
 #define   ERR_INT_MMIO_UNCLAIMED (1<<13)
 
+#define DERRMR          0x44050
+
 /* GM45+ chicken bits -- debug workaround bits that may be required
  * for various sorts of correct behavior.  The top 16 bits of each are
  * the enables for writing to the corresponding low bit.
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 1b63d55318a0..fb3715b4b09d 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2579,7 +2579,8 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 
 static void
 intel_dp_init_panel_power_sequencer(struct drm_device *dev,
-                                    struct intel_dp *intel_dp)
+                                    struct intel_dp *intel_dp,
+                                    struct edp_power_seq *out)
 {
         struct drm_i915_private *dev_priv = dev->dev_private;
         struct edp_power_seq cur, vbt, spec, final;
@@ -2650,16 +2651,35 @@ intel_dp_init_panel_power_sequencer(struct drm_device *dev,
         intel_dp->panel_power_cycle_delay = get_delay(t11_t12);
 #undef get_delay
 
+        DRM_DEBUG_KMS("panel power up delay %d, power down delay %d, power cycle delay %d\n",
+                      intel_dp->panel_power_up_delay, intel_dp->panel_power_down_delay,
+                      intel_dp->panel_power_cycle_delay);
+
+        DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
+                      intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
+
+        if (out)
+                *out = final;
+}
+
+static void
+intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev,
+                                              struct intel_dp *intel_dp,
+                                              struct edp_power_seq *seq)
+{
+        struct drm_i915_private *dev_priv = dev->dev_private;
+        u32 pp_on, pp_off, pp_div;
+
         /* And finally store the new values in the power sequencer. */
-        pp_on = (final.t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) |
-                (final.t8 << PANEL_LIGHT_ON_DELAY_SHIFT);
-        pp_off = (final.t9 << PANEL_LIGHT_OFF_DELAY_SHIFT) |
-                 (final.t10 << PANEL_POWER_DOWN_DELAY_SHIFT);
+        pp_on = (seq->t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) |
+                (seq->t8 << PANEL_LIGHT_ON_DELAY_SHIFT);
+        pp_off = (seq->t9 << PANEL_LIGHT_OFF_DELAY_SHIFT) |
+                 (seq->t10 << PANEL_POWER_DOWN_DELAY_SHIFT);
         /* Compute the divisor for the pp clock, simply match the Bspec
          * formula. */
         pp_div = ((100 * intel_pch_rawclk(dev))/2 - 1)
                         << PP_REFERENCE_DIVIDER_SHIFT;
-        pp_div |= (DIV_ROUND_UP(final.t11_t12, 1000)
+        pp_div |= (DIV_ROUND_UP(seq->t11_t12, 1000)
                         << PANEL_POWER_CYCLE_DELAY_SHIFT);
 
         /* Haswell doesn't have any port selection bits for the panel
@@ -2675,14 +2695,6 @@ intel_dp_init_panel_power_sequencer(struct drm_device *dev,
         I915_WRITE(PCH_PP_OFF_DELAYS, pp_off);
         I915_WRITE(PCH_PP_DIVISOR, pp_div);
 
-
-        DRM_DEBUG_KMS("panel power up delay %d, power down delay %d, power cycle delay %d\n",
-                      intel_dp->panel_power_up_delay, intel_dp->panel_power_down_delay,
-                      intel_dp->panel_power_cycle_delay);
-
-        DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
-                      intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
-
         DRM_DEBUG_KMS("panel power sequencer register settings: PP_ON %#x, PP_OFF %#x, PP_DIV %#x\n",
                       I915_READ(PCH_PP_ON_DELAYS),
                       I915_READ(PCH_PP_OFF_DELAYS),
@@ -2699,6 +2711,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
         struct drm_device *dev = intel_encoder->base.dev;
         struct drm_i915_private *dev_priv = dev->dev_private;
         struct drm_display_mode *fixed_mode = NULL;
+        struct edp_power_seq power_seq = { 0 };
         enum port port = intel_dig_port->port;
         const char *name = NULL;
         int type;
@@ -2771,7 +2784,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
         }
 
         if (is_edp(intel_dp))
-                intel_dp_init_panel_power_sequencer(dev, intel_dp);
+                intel_dp_init_panel_power_sequencer(dev, intel_dp, &power_seq);
 
         intel_dp_i2c_init(intel_dp, intel_connector, name);
 
@@ -2798,6 +2811,10 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
                         return;
                 }
 
+                /* We now know it's not a ghost, init power sequence regs. */
+                intel_dp_init_panel_power_sequencer_registers(dev, intel_dp,
+                                                              &power_seq);
+
                 ironlake_edp_panel_vdd_on(intel_dp);
                 edid = drm_get_edid(connector, &intel_dp->adapter);
                 if (edid) {
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index e83a11794172..3280cffe50f4 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4250,7 +4250,8 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
 static void __gen6_gt_force_wake_mt_reset(struct drm_i915_private *dev_priv)
 {
         I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_DISABLE(0xffff));
-        POSTING_READ(ECOBUS); /* something from same cacheline, but !FORCEWAKE */
+        /* something from same cacheline, but !FORCEWAKE_MT */
+        POSTING_READ(ECOBUS);
 }
 
 static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
@@ -4267,7 +4268,8 @@ static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
                 DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n");
 
         I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_ENABLE(FORCEWAKE_KERNEL));
-        POSTING_READ(ECOBUS); /* something from same cacheline, but !FORCEWAKE */
+        /* something from same cacheline, but !FORCEWAKE_MT */
+        POSTING_READ(ECOBUS);
 
         if (wait_for_atomic((I915_READ_NOTRACE(forcewake_ack) & 1),
                             FORCEWAKE_ACK_TIMEOUT_MS))
@@ -4304,14 +4306,16 @@ void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv)
 static void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
 {
         I915_WRITE_NOTRACE(FORCEWAKE, 0);
-        /* gen6_gt_check_fifodbg doubles as the POSTING_READ */
+        /* something from same cacheline, but !FORCEWAKE */
+        POSTING_READ(ECOBUS);
         gen6_gt_check_fifodbg(dev_priv);
 }
 
 static void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv)
 {
         I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL));
-        /* gen6_gt_check_fifodbg doubles as the POSTING_READ */
+        /* something from same cacheline, but !FORCEWAKE_MT */
+        POSTING_READ(ECOBUS);
         gen6_gt_check_fifodbg(dev_priv);
 }
 
@@ -4351,6 +4355,8 @@ int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
 static void vlv_force_wake_reset(struct drm_i915_private *dev_priv)
 {
         I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_DISABLE(0xffff));
+        /* something from same cacheline, but !FORCEWAKE_VLV */
+        POSTING_READ(FORCEWAKE_ACK_VLV);
 }
 
 static void vlv_force_wake_get(struct drm_i915_private *dev_priv)
@@ -4371,7 +4377,8 @@ static void vlv_force_wake_get(struct drm_i915_private *dev_priv)
 static void vlv_force_wake_put(struct drm_i915_private *dev_priv)
 {
         I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL));
-        /* The below doubles as a POSTING_READ */
+        /* something from same cacheline, but !FORCEWAKE_VLV */
+        POSTING_READ(FORCEWAKE_ACK_VLV);
         gen6_gt_check_fifodbg(dev_priv);
 }
 
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 061fa0a28900..4d0e60adbc6d 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2401,6 +2401,12 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
 {
         struct evergreen_mc_save save;
 
+        if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+                reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE);
+
+        if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
+                reset_mask &= ~RADEON_RESET_DMA;
+
         if (reset_mask == 0)
                 return 0;
 
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 896f1cbc58a5..59acabb45c9b 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1409,6 +1409,12 @@ static int cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
 {
         struct evergreen_mc_save save;
 
+        if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+                reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE);
+
+        if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
+                reset_mask &= ~RADEON_RESET_DMA;
+
         if (reset_mask == 0)
                 return 0;
 
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 537e259b3837..3cb9d6089373 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1378,6 +1378,12 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
 {
         struct rv515_mc_save save;
 
+        if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+                reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE);
+
+        if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
+                reset_mask &= ~RADEON_RESET_DMA;
+
         if (reset_mask == 0)
                 return 0;
 
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 34e52304a525..a08f657329a0 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -324,7 +324,6 @@ struct radeon_bo {
         struct list_head                list;
         /* Protected by tbo.reserved */
         u32                             placements[3];
-        u32                             busy_placements[3];
         struct ttm_placement            placement;
         struct ttm_buffer_object        tbo;
         struct ttm_bo_kmap_obj          kmap;
@@ -654,6 +653,8 @@ struct radeon_ring {
         u32                     ptr_reg_mask;
         u32                     nop;
         u32                     idx;
+        u64                     last_semaphore_signal_addr;
+        u64                     last_semaphore_wait_addr;
 };
 
 /*
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index dff6cf77f953..d9bf96ee299a 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -69,9 +69,10 @@
  *   2.26.0 - r600-eg: fix htile size computation
  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
+ *   2.29.0 - R500 FP16 color clear registers
  */
 #define KMS_DRIVER_MAJOR        2
-#define KMS_DRIVER_MINOR        28
+#define KMS_DRIVER_MINOR        29
 #define KMS_DRIVER_PATCHLEVEL   0
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 883c95d8d90f..d3aface2d12d 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -84,6 +84,7 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
         rbo->placement.fpfn = 0;
         rbo->placement.lpfn = 0;
         rbo->placement.placement = rbo->placements;
+        rbo->placement.busy_placement = rbo->placements;
         if (domain & RADEON_GEM_DOMAIN_VRAM)
                 rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
                                         TTM_PL_FLAG_VRAM;
@@ -104,14 +105,6 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
         if (!c)
                 rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
         rbo->placement.num_placement = c;
-
-        c = 0;
-        rbo->placement.busy_placement = rbo->busy_placements;
-        if (rbo->rdev->flags & RADEON_IS_AGP) {
-                rbo->busy_placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT;
-        } else {
-                rbo->busy_placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT;
-        }
         rbo->placement.num_busy_placement = c;
 }
 
@@ -357,6 +350,7 @@ int radeon_bo_list_validate(struct list_head *head)
 {
         struct radeon_bo_list *lobj;
         struct radeon_bo *bo;
+        u32 domain;
         int r;
 
         r = ttm_eu_reserve_buffers(head);
@@ -366,9 +360,17 @@ int radeon_bo_list_validate(struct list_head *head)
         list_for_each_entry(lobj, head, tv.head) {
                 bo = lobj->bo;
                 if (!bo->pin_count) {
+                        domain = lobj->wdomain ? lobj->wdomain : lobj->rdomain;
+                        
+                retry:
+                        radeon_ttm_placement_from_domain(bo, domain);
                         r = ttm_bo_validate(&bo->tbo, &bo->placement,
                                                 true, false);
                         if (unlikely(r)) {
+                                if (r != -ERESTARTSYS && domain == RADEON_GEM_DOMAIN_VRAM) {
+                                        domain |= RADEON_GEM_DOMAIN_GTT;
+                                        goto retry;
+                                }
                                 return r;
                         }
                 }
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 141f2b6a9cf2..2430d80b1871 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -784,6 +784,8 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data)
         }
         seq_printf(m, "driver's copy of the wptr: 0x%08x [%5d]\n", ring->wptr, ring->wptr);
         seq_printf(m, "driver's copy of the rptr: 0x%08x [%5d]\n", ring->rptr, ring->rptr);
+        seq_printf(m, "last semaphore signal addr : 0x%016llx\n", ring->last_semaphore_signal_addr);
+        seq_printf(m, "last semaphore wait addr   : 0x%016llx\n", ring->last_semaphore_wait_addr);
         seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
         seq_printf(m, "%u dwords in ring\n", count);
         /* print 8 dw before current rptr as often it's the last executed
diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c
index 97f3ece81cd2..8dcc20f53d73 100644
--- a/drivers/gpu/drm/radeon/radeon_semaphore.c
+++ b/drivers/gpu/drm/radeon/radeon_semaphore.c
@@ -95,6 +95,10 @@ int radeon_semaphore_sync_rings(struct radeon_device *rdev,
         /* we assume caller has already allocated space on waiters ring */
         radeon_semaphore_emit_wait(rdev, waiter, semaphore);
 
+        /* for debugging lockup only, used by sysfs debug files */
+        rdev->ring[signaler].last_semaphore_signal_addr = semaphore->gpu_addr;
+        rdev->ring[waiter].last_semaphore_wait_addr = semaphore->gpu_addr;
+
         return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/reg_srcs/rv515 b/drivers/gpu/drm/radeon/reg_srcs/rv515
index 911a8fbd32bb..78d5e99d759d 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/rv515
+++ b/drivers/gpu/drm/radeon/reg_srcs/rv515
@@ -324,6 +324,8 @@ rv515 0x6d40
 0x46AC US_OUT_FMT_2
 0x46B0 US_OUT_FMT_3
 0x46B4 US_W_FMT
+0x46C0 RB3D_COLOR_CLEAR_VALUE_AR
+0x46C4 RB3D_COLOR_CLEAR_VALUE_GB
 0x4BC0 FG_FOG_BLEND
 0x4BC4 FG_FOG_FACTOR
 0x4BC8 FG_FOG_COLOR_R
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 3240a3d64f30..ae8b48205a6c 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2215,6 +2215,12 @@ static int si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
 {
         struct evergreen_mc_save save;
 
+        if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
+                reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE);
+
+        if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
+                reset_mask &= ~RADEON_RESET_DMA;
+
         if (reset_mask == 0)
                 return 0;
 
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 33d20be87db5..52b20b12c83a 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -434,6 +434,7 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
                         bo->mem = tmp_mem;
                         bdev->driver->move_notify(bo, mem);
                         bo->mem = *mem;
+                        *mem = tmp_mem;
                 }
 
                 goto out_err;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index d73d6e3e17b2..44420fca7dfa 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -344,8 +344,12 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
 
         if (ttm->state == tt_unpopulated) {
                 ret = ttm->bdev->driver->ttm_tt_populate(ttm);
-                if (ret)
+                if (ret) {
+                        /* if we fail here don't nuke the mm node
+                         * as the bo still owns it */
+                        old_copy.mm_node = NULL;
                         goto out1;
+                }
         }
 
         add = 0;
@@ -371,8 +375,11 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
                                                    prot);
                 } else
                         ret = ttm_copy_io_page(new_iomap, old_iomap, page);
-                if (ret)
+                if (ret) {
+                        /* failing here, means keep old copy as-is */
+                        old_copy.mm_node = NULL;
                         goto out1;
+                }
         }
         mb();
 out2:
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index f6c0011a0337..dd289fd179ca 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -403,7 +403,7 @@ struct dm_info_header {
  */
 
 struct dm_info_msg {
-        struct dm_info_header header;
+        struct dm_header hdr;
         __u32 reserved;
         __u32 info_size;
         __u8  info[];
@@ -503,13 +503,17 @@ static void hot_add_req(struct hv_dynmem_device *dm, struct dm_hot_add *msg)
 
 static void process_info(struct hv_dynmem_device *dm, struct dm_info_msg *msg)
 {
-        switch (msg->header.type) {
+        struct dm_info_header *info_hdr;
+
+        info_hdr = (struct dm_info_header *)msg->info;
+
+        switch (info_hdr->type) {
         case INFO_TYPE_MAX_PAGE_CNT:
                 pr_info("Received INFO_TYPE_MAX_PAGE_CNT\n");
-                pr_info("Data Size is %d\n", msg->header.data_size);
+                pr_info("Data Size is %d\n", info_hdr->data_size);
                 break;
         default:
-                pr_info("Received Unknown type: %d\n", msg->header.type);
+                pr_info("Received Unknown type: %d\n", info_hdr->type);
         }
 }
 
@@ -879,7 +883,7 @@ static int balloon_probe(struct hv_device *dev,
                         balloon_onchannelcallback, dev);
 
         if (ret)
-                return ret;
+                goto probe_error0;
 
         dm_device.dev = dev;
         dm_device.state = DM_INITIALIZING;
@@ -891,7 +895,7 @@ static int balloon_probe(struct hv_device *dev,
                  kthread_run(dm_thread_func, &dm_device, "hv_balloon");
         if (IS_ERR(dm_device.thread)) {
                 ret = PTR_ERR(dm_device.thread);
-                goto probe_error0;
+                goto probe_error1;
         }
 
         hv_set_drvdata(dev, &dm_device);
@@ -914,12 +918,12 @@ static int balloon_probe(struct hv_device *dev,
                                 VM_PKT_DATA_INBAND,
                                 VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
         if (ret)
-                goto probe_error1;
+                goto probe_error2;
 
         t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);
         if (t == 0) {
                 ret = -ETIMEDOUT;
-                goto probe_error1;
+                goto probe_error2;
         }
 
         /*
@@ -928,7 +932,7 @@ static int balloon_probe(struct hv_device *dev,
          */
         if (dm_device.state == DM_INIT_ERROR) {
                 ret = -ETIMEDOUT;
-                goto probe_error1;
+                goto probe_error2;
         }
         /*
          * Now submit our capabilities to the host.
@@ -961,12 +965,12 @@ static int balloon_probe(struct hv_device *dev,
                                 VM_PKT_DATA_INBAND,
                                 VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
         if (ret)
-                goto probe_error1;
+                goto probe_error2;
 
         t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);
         if (t == 0) {
                 ret = -ETIMEDOUT;
-                goto probe_error1;
+                goto probe_error2;
         }
 
         /*
@@ -975,18 +979,20 @@ static int balloon_probe(struct hv_device *dev,
          */
         if (dm_device.state == DM_INIT_ERROR) {
                 ret = -ETIMEDOUT;
-                goto probe_error1;
+                goto probe_error2;
         }
 
         dm_device.state = DM_INITIALIZED;
 
         return 0;
 
-probe_error1:
+probe_error2:
         kthread_stop(dm_device.thread);
 
-probe_error0:
+probe_error1:
         vmbus_close(dev->channel);
+probe_error0:
+        kfree(send_buffer);
         return ret;
 }
 
@@ -999,6 +1005,7 @@ static int balloon_remove(struct hv_device *dev)
 
         vmbus_close(dev->channel);
         kthread_stop(dm->thread);
+        kfree(send_buffer);
 
         return 0;
 }
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/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
- * usable array that is capable of rebuilding the given devices.
+ * Determine if there are enough devices in the array that haven't
+ * 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",
-                      rs->raid_type->name);
-                rs->ti->error = "Rebuild not supported for this RAID type";
-                return -EINVAL;
+                if (rebuild_cnt)
+                        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)
-                                        dm_put_device(ti, dev->meta_dev);
-
-                                dev->meta_dev = NULL;
-                                rdev->meta_bdev = NULL;
+                        if (dev->meta_dev)
+                                dm_put_device(ti, dev->meta_dev);
 
-                                if (rdev->sb_page)
-                                        put_page(rdev->sb_page);
+                        dev->meta_dev = NULL;
+                        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;
 
-                                /*
-                                 * 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);
+                        rdev->sb_loaded = 0;
 
-                                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;
-                        }
-                        ti->error = "Failed to load superblock";
-                        return ret;
+                        list_del(&rdev->same_set);
                 }
         }
 
         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/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c
index 8a8d42fe2633..d4e7567b367c 100644
--- a/drivers/media/i2c/m5mols/m5mols_core.c
+++ b/drivers/media/i2c/m5mols/m5mols_core.c
@@ -556,7 +556,7 @@ static int m5mols_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
         mutex_lock(&info->lock);
 
         format = __find_format(info, fh, fmt->which, info->res_type);
-        if (!format)
+        if (format)
                 fmt->format = *format;
         else
                 ret = -EINVAL;
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/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c
index e0d73a642186..8dac17511e61 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -35,9 +35,6 @@
 #include <linux/vmalloc.h>
 #include <media/v4l2-dev.h>
 #include <media/v4l2-ioctl.h>
-#include <plat/iommu.h>
-#include <plat/iovmm.h>
-#include <plat/omap-pm.h>
 
 #include "ispvideo.h"
 #include "isp.h"
diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c
index 4ab99f3a7b09..b4a68ecf0ca7 100644
--- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c
+++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c
@@ -593,7 +593,7 @@ static int __fimc_md_create_flite_source_links(struct fimc_md *fmd)
 {
         struct media_entity *source, *sink;
         unsigned int flags = MEDIA_LNK_FL_ENABLED;
-        int i, ret;
+        int i, ret = 0;
 
         for (i = 0; i < FIMC_LITE_MAX_DEVS; i++) {
                 struct fimc_lite *fimc = fmd->fimc_lite[i];
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 379f57433711..681bc6ba149d 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -412,62 +412,48 @@ leave_handle_frame:
 }
 
 /* Error handling for interrupt */
-static void s5p_mfc_handle_error(struct s5p_mfc_ctx *ctx,
-                                 unsigned int reason, unsigned int err)
+static void s5p_mfc_handle_error(struct s5p_mfc_dev *dev,
+                struct s5p_mfc_ctx *ctx, unsigned int reason, unsigned int err)
 {
-        struct s5p_mfc_dev *dev;
         unsigned long flags;
 
-        /* If no context is available then all necessary
-         * processing has been done. */
-        if (ctx == NULL)
-                return;
-
-        dev = ctx->dev;
         mfc_err("Interrupt Error: %08x\n", err);
-        s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
-        wake_up_dev(dev, reason, err);
 
-        /* Error recovery is dependent on the state of context */
-        switch (ctx->state) {
-        case MFCINST_INIT:
-                /* This error had to happen while acquireing instance */
-        case MFCINST_GOT_INST:
-                /* This error had to happen while parsing the header */
-        case MFCINST_HEAD_PARSED:
-                /* This error had to happen while setting dst buffers */
-        case MFCINST_RETURN_INST:
-                /* This error had to happen while releasing instance */
-                clear_work_bit(ctx);
-                wake_up_ctx(ctx, reason, err);
-                if (test_and_clear_bit(0, &dev->hw_lock) == 0)
-                        BUG();
-                s5p_mfc_clock_off();
-                ctx->state = MFCINST_ERROR;
-                break;
-        case MFCINST_FINISHING:
-        case MFCINST_FINISHED:
-        case MFCINST_RUNNING:
-                /* It is higly probable that an error occured
-                 * while decoding a frame */
-                clear_work_bit(ctx);
-                ctx->state = MFCINST_ERROR;
-                /* Mark all dst buffers as having an error */
-                spin_lock_irqsave(&dev->irqlock, flags);
-                s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue,
-                                &ctx->vq_dst);
-                /* Mark all src buffers as having an error */
-                s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue,
-                                &ctx->vq_src);
-                spin_unlock_irqrestore(&dev->irqlock, flags);
-                if (test_and_clear_bit(0, &dev->hw_lock) == 0)
-                        BUG();
-                s5p_mfc_clock_off();
-                break;
-        default:
-                mfc_err("Encountered an error interrupt which had not been handled\n");
-                break;
+        if (ctx != NULL) {
+                /* Error recovery is dependent on the state of context */
+                switch (ctx->state) {
+                case MFCINST_RES_CHANGE_INIT:
+                case MFCINST_RES_CHANGE_FLUSH:
+                case MFCINST_RES_CHANGE_END:
+                case MFCINST_FINISHING:
+                case MFCINST_FINISHED:
+                case MFCINST_RUNNING:
+                        /* It is higly probable that an error occured
+                         * while decoding a frame */
+                        clear_work_bit(ctx);
+                        ctx->state = MFCINST_ERROR;
+                        /* Mark all dst buffers as having an error */
+                        spin_lock_irqsave(&dev->irqlock, flags);
+                        s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue,
+                                                &ctx->dst_queue, &ctx->vq_dst);
+                        /* Mark all src buffers as having an error */
+                        s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue,
+                                                &ctx->src_queue, &ctx->vq_src);
+                        spin_unlock_irqrestore(&dev->irqlock, flags);
+                        wake_up_ctx(ctx, reason, err);
+                        break;
+                default:
+                        clear_work_bit(ctx);
+                        ctx->state = MFCINST_ERROR;
+                        wake_up_ctx(ctx, reason, err);
+                        break;
+                }
         }
+        if (test_and_clear_bit(0, &dev->hw_lock) == 0)
+                BUG();
+        s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
+        s5p_mfc_clock_off();
+        wake_up_dev(dev, reason, err);
         return;
 }
 
@@ -632,7 +618,7 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
                                 dev->warn_start)
                         s5p_mfc_handle_frame(ctx, reason, err);
                 else
-                        s5p_mfc_handle_error(ctx, reason, err);
+                        s5p_mfc_handle_error(dev, ctx, reason, err);
                 clear_bit(0, &dev->enter_suspend);
                 break;
 
diff --git a/drivers/media/usb/gspca/kinect.c b/drivers/media/usb/gspca/kinect.c
index 40ad6687ee5d..3773a8a745df 100644
--- a/drivers/media/usb/gspca/kinect.c
+++ b/drivers/media/usb/gspca/kinect.c
@@ -381,6 +381,7 @@ static const struct sd_desc sd_desc = {
 /* -- module initialisation -- */
 static const struct usb_device_id device_table[] = {
         {USB_DEVICE(0x045e, 0x02ae)},
+        {USB_DEVICE(0x045e, 0x02bf)},
         {}
 };
 
diff --git a/drivers/media/usb/gspca/sonixb.c b/drivers/media/usb/gspca/sonixb.c
index 70511d5f9538..1220340e7602 100644
--- a/drivers/media/usb/gspca/sonixb.c
+++ b/drivers/media/usb/gspca/sonixb.c
@@ -496,7 +496,7 @@ static void reg_w(struct gspca_dev *gspca_dev,
         }
 }
 
-static void i2c_w(struct gspca_dev *gspca_dev, const __u8 *buffer)
+static void i2c_w(struct gspca_dev *gspca_dev, const u8 *buf)
 {
         int retry = 60;
 
@@ -504,16 +504,19 @@ static void i2c_w(struct gspca_dev *gspca_dev, const __u8 *buffer)
                 return;
 
         /* is i2c ready */
-        reg_w(gspca_dev, 0x08, buffer, 8);
+        reg_w(gspca_dev, 0x08, buf, 8);
         while (retry--) {
                 if (gspca_dev->usb_err < 0)
                         return;
-                msleep(10);
+                msleep(1);
                 reg_r(gspca_dev, 0x08);
                 if (gspca_dev->usb_buf[0] & 0x04) {
                         if (gspca_dev->usb_buf[0] & 0x08) {
                                 dev_err(gspca_dev->v4l2_dev.dev,
-                                        "i2c write error\n");
+                                        "i2c error writing %02x %02x %02x %02x"
+                                        " %02x %02x %02x %02x\n",
+                                        buf[0], buf[1], buf[2], buf[3],
+                                        buf[4], buf[5], buf[6], buf[7]);
                                 gspca_dev->usb_err = -EIO;
                         }
                         return;
@@ -530,7 +533,7 @@ static void i2c_w_vector(struct gspca_dev *gspca_dev,
         for (;;) {
                 if (gspca_dev->usb_err < 0)
                         return;
-                reg_w(gspca_dev, 0x08, *buffer, 8);
+                i2c_w(gspca_dev, *buffer);
                 len -= 8;
                 if (len <= 0)
                         break;
diff --git a/drivers/media/usb/gspca/sonixj.c b/drivers/media/usb/gspca/sonixj.c
index 5a86047b846f..36307a9028a9 100644
--- a/drivers/media/usb/gspca/sonixj.c
+++ b/drivers/media/usb/gspca/sonixj.c
@@ -1550,6 +1550,7 @@ static void i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val)
                         0,
                         gspca_dev->usb_buf, 8,
                         500);
+        msleep(2);
         if (ret < 0) {
                 pr_err("i2c_w1 err %d\n", ret);
                 gspca_dev->usb_err = ret;
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index 2bb7613ddebb..d5baab17a5ef 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -1431,8 +1431,10 @@ int uvc_ctrl_set(struct uvc_video_chain *chain,
         int ret;
 
         ctrl = uvc_find_control(chain, xctrl->id, &mapping);
-        if (ctrl == NULL || (ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR) == 0)
+        if (ctrl == NULL)
                 return -EINVAL;
+        if (!(ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR))
+                return -EACCES;
 
         /* Clamp out of range values. */
         switch (mapping->v4l2_type) {
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index f2ee8c6b0d8d..68d59b527492 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -657,8 +657,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                         ret = uvc_ctrl_get(chain, ctrl);
                         if (ret < 0) {
                                 uvc_ctrl_rollback(handle);
-                                ctrls->error_idx = ret == -ENOENT
-                                                 ? ctrls->count : i;
+                                ctrls->error_idx = i;
                                 return ret;
                         }
                 }
@@ -686,8 +685,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                         ret = uvc_ctrl_set(chain, ctrl);
                         if (ret < 0) {
                                 uvc_ctrl_rollback(handle);
-                                ctrls->error_idx = (ret == -ENOENT &&
-                                                    cmd == VIDIOC_S_EXT_CTRLS)
+                                ctrls->error_idx = cmd == VIDIOC_S_EXT_CTRLS
                                                  ? ctrls->count : i;
                                 return ret;
                         }
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 9f81be23a81f..e02c4797b1c6 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -921,8 +921,10 @@ static void __fill_vb2_buffer(struct vb2_buffer *vb, const struct v4l2_buffer *b
                  * In videobuf we use our internal V4l2_planes struct for
                  * single-planar buffers as well, for simplicity.
                  */
-                if (V4L2_TYPE_IS_OUTPUT(b->type))
+                if (V4L2_TYPE_IS_OUTPUT(b->type)) {
                         v4l2_planes[0].bytesused = b->bytesused;
+                        v4l2_planes[0].data_offset = 0;
+                }
 
                 if (b->memory == V4L2_MEMORY_USERPTR) {
                         v4l2_planes[0].m.userptr = b->m.userptr;
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 1c0abd4dfc43..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
@@ -292,6 +293,7 @@ config TWL4030_CORE
         bool "Texas Instruments TWL4030/TWL5030/TWL6030/TPS659x0 Support"
         depends on I2C=y && GENERIC_HARDIRQS
         select IRQ_DOMAIN
+        select REGMAP_I2C
         help
           Say yes here if you have TWL4030 / TWL6030 family chip on your board.
           This core driver provides register access and IRQ handling
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) {
-                case 0:
-                case 1:
-                        ctrlif_error = false;
-                        break;
-                default:
-                        break;
-                }
+                ctrlif_error = false;
                 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) {
-                case 0:
-                case 1:
-                        ctrlif_error = false;
-                        break;
-                default:
-                        break;
-                }
+                ctrlif_error = false;
                 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,
-        .xlate  = irq_domain_xlate_twocell,
+        .map    = db8500_irq_map,
+        .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)
-                goto err_regmap;
+        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);
+                return ret;
+        }
 
         max77693->wakeup = pdata->wakeup;
 
-        if (max77693_read_reg(max77693->regmap,
-                                MAX77693_PMIC_REG_PMIC_ID2, &reg_data) < 0) {
+        ret = max77693_read_reg(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
+                                &reg_data);
+        if (ret < 0) {
                 dev_err(max77693->dev, "device not found on this channel\n");
-                ret = -ENODEV;
-                goto err_regmap;
+                return ret;
         } 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_legacy(
-                        NULL, TC3589x_NR_INTERNAL_IRQS, base,
-                        0, &tc3589x_irq_ops, tc3589x);
-        }
-        else {
-                tc3589x->domain = irq_domain_add_linear(
-                        np, TC3589x_NR_INTERNAL_IRQS,
-                        &tc3589x_irq_ops, tc3589x);
-        }
+        tc3589x->domain = irq_domain_add_simple(
+                np, TC3589x_NR_INTERNAL_IRQS, base,
+                &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,
-                        "arm,vexpress-sysreg");
-
-        if (node)
-                base = of_iomap(node, 0);
-
-        if (WARN_ON(!base))
+        if (WARN_ON(!vexpress_sysreg_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/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index 158da5a81a66..3c09cbb70b1d 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -19,6 +19,7 @@
 #include <linux/module.h>
 
 #include <linux/of.h>
+#include <linux/pinctrl/consumer.h>
 
 /* Serialize access to ssc_list and user count */
 static DEFINE_SPINLOCK(user_lock);
@@ -131,6 +132,13 @@ static int ssc_probe(struct platform_device *pdev)
         struct resource *regs;
         struct ssc_device *ssc;
         const struct atmel_ssc_platform_data *plat_dat;
+        struct pinctrl *pinctrl;
+
+        pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+        if (IS_ERR(pinctrl)) {
+                dev_err(&pdev->dev, "Failed to request pinctrl\n");
+                return PTR_ERR(pinctrl);
+        }
 
         ssc = devm_kzalloc(&pdev->dev, sizeof(struct ssc_device), GFP_KERNEL);
         if (!ssc) {
diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index 9ff942a346ed..83269f1d16e3 100644
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -468,6 +468,11 @@ long st_kim_start(void *kim_data)
                 if (pdata->chip_enable)
                         pdata->chip_enable(kim_gdata);
 
+                /* Configure BT nShutdown to HIGH state */
+                gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);
+                mdelay(5);      /* FIXME: a proper toggle */
+                gpio_set_value(kim_gdata->nshutdown, GPIO_HIGH);
+                mdelay(100);
                 /* re-initialize the completion */
                 INIT_COMPLETION(kim_gdata->ldisc_installed);
                 /* send notification to UIM */
@@ -509,7 +514,8 @@ long st_kim_start(void *kim_data)
  *      (b) upon failure to either install ldisc or download firmware.
  *      The function is responsible to (a) notify UIM about un-installation,
  *      (b) flush UART if the ldisc was installed.
- *      (c) invoke platform's chip disabling routine.
+ *      (c) reset BT_EN - pull down nshutdown at the end.
+ *      (d) invoke platform's chip disabling routine.
  */
 long st_kim_stop(void *kim_data)
 {
@@ -541,6 +547,13 @@ long st_kim_stop(void *kim_data)
                 err = -ETIMEDOUT;
         }
 
+        /* By default configure BT nShutdown to LOW state */
+        gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);
+        mdelay(1);
+        gpio_set_value(kim_gdata->nshutdown, GPIO_HIGH);
+        mdelay(1);
+        gpio_set_value(kim_gdata->nshutdown, GPIO_LOW);
+
         /* platform specific disable */
         if (pdata->chip_disable)
                 pdata->chip_disable(kim_gdata);
@@ -733,6 +746,20 @@ static int kim_probe(struct platform_device *pdev)
         /* refer to itself */
         kim_gdata->core_data->kim_data = kim_gdata;
 
+        /* Claim the chip enable nShutdown gpio from the system */
+        kim_gdata->nshutdown = pdata->nshutdown_gpio;
+        err = gpio_request(kim_gdata->nshutdown, "kim");
+        if (unlikely(err)) {
+                pr_err(" gpio %ld request failed ", kim_gdata->nshutdown);
+                return err;
+        }
+
+        /* Configure nShutdown GPIO as output=0 */
+        err = gpio_direction_output(kim_gdata->nshutdown, 0);
+        if (unlikely(err)) {
+                pr_err(" unable to configure gpio %ld", kim_gdata->nshutdown);
+                return err;
+        }
         /* get reference of pdev for request_firmware
          */
         kim_gdata->kim_pdev = pdev;
@@ -779,10 +806,18 @@ err_core_init:
 
 static int kim_remove(struct platform_device *pdev)
 {
+        /* free the GPIOs requested */
+        struct ti_st_plat_data  *pdata = pdev->dev.platform_data;
         struct kim_data_s       *kim_gdata;
 
         kim_gdata = dev_get_drvdata(&pdev->dev);
 
+        /* Free the Bluetooth/FM/GPIO
+         * nShutdown gpio from the system
+         */
+        gpio_free(pdata->nshutdown_gpio);
+        pr_info("nshutdown GPIO Freed");
+
         debugfs_remove_recursive(kim_debugfs_dir);
         sysfs_remove_group(&pdev->dev.kobj, &uim_attr_grp);
         pr_info("sysfs entries removed");
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);
-        if (!IS_ERR(host->clk)) {
+        host->clk = devm_clk_get(&pdev->dev, NULL);
+        if (!IS_ERR(host->clk))
                 clk_prepare_enable(host->clk);
-        }
 
         if (mvsd_data->gpio_card_detect) {
-                ret = gpio_request(mvsd_data->gpio_card_detect,
-                                   DRIVER_NAME " cd");
+                ret = devm_gpio_request_one(&pdev->dev,
+                                            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,
-                                          IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING,
-                                          DRIVER_NAME " cd", host);
+                        ret = devm_request_irq(&pdev->dev, irq,
+                                               mvsd_card_detect_irq,
+                                               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,
-                                   DRIVER_NAME " wp");
+                ret = devm_gpio_request_one(&pdev->dev,
+                                            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 (host->irq)
-                        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)) {
+        if (mmc) {
+                if (!IS_ERR(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) {
-                        free_irq(gpio_to_irq(host->gpio_card_detect), host);
-                        gpio_free(host->gpio_card_detect);
-                }
-                mmc_remove_host(mmc);
-                free_irq(host->irq, host);
-                if (host->gpio_write_protect)
-                        gpio_free(host->gpio_write_protect);
-                del_timer_sync(&host->timer);
-                mvsd_power_down(host);
-                iounmap(host->base);
-                release_resource(host->res);
+        mmc_remove_host(mmc);
+        del_timer_sync(&host->timer);
+        mvsd_power_down(host);
+
+        if (!IS_ERR(host->clk))
+                clk_disable_unprepare(host->clk);
+        mmc_free_host(mmc);
 
-                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 57eb1e77865d..285f763e3cd1 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -964,7 +964,7 @@ 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:
@@ -977,7 +977,7 @@ 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 f52a9755fb3e..f21fc37ec578 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -748,12 +748,12 @@ 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/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
index a345e2454b83..a170065b5973 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 424f8ed67d39..c6c05bfef0e0 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;
-
-        return set_rxq_intr_params(adap, &adap->sge.ethrxq[pi->first_qset].rspq,
-                        c->rx_coalesce_usecs, c->rx_max_coalesced_frames);
+        struct sge_rspq *q;
+        int i;
+        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/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 3c5ffd2f5c6f..30724d811115 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -640,10 +640,15 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
                 ring->tx_csum++;
         }
 
-        /* Copy dst mac address to wqe */
-        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));
+        if (mlx4_is_mfunc(mdev->dev) || priv->validate_loopback) {
+                /* Copy dst mac address to wqe. This allows loopback in eSwitch,
+                 * so that VFs and PF can communicate with each other
+                 */
+                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 983fd3d62bce..f1ee52d10467 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
-                 * one for data path completions anf the other for asynch events
-                 * or command completions */
-                if (mlx4_is_mfunc(dev)) {
-                        nreq = 2;
-                } else {
-                        nreq = min_t(int, dev->caps.num_eqs -
-                                     dev->caps.reserved_eqs, nreq);
-                }
+                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 8e40ea09d7fc..7a849fc55a66 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
@@ -1962,10 +1962,12 @@ 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 97fdbb1d6412..4208f28d5d19 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1825,8 +1825,6 @@ 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)
@@ -6061,8 +6059,6 @@ 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;
@@ -6083,16 +6079,14 @@ 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);
-                                continue;
+                                goto release_descriptor;
                         }
 
                         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);
@@ -6108,13 +6102,10 @@ process_pkt:
                         tp->rx_stats.bytes += pkt_size;
                         u64_stats_update_end(&tp->rx_stats.syncp);
                 }
-
-                /* Work around for AMD plateform. */
-                if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
-                    (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
-                        desc->opts2 = 0;
-                        cur_rx++;
-                }
+release_descriptor:
+                desc->opts2 = 0;
+                wmb();
+                rtl8169_mark_to_asic(desc, rx_buf_sz);
         }
 
         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 a9975c7e6461..d5202a4b0877 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 1047e5875801..7b44ebd7770e 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -828,7 +828,10 @@ 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 */
-        c = phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, IP101A_G_IRQ_DEFAULT);
-        if (c < 0)
-                return c;
+        if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
+            (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) ||
+            (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
+            (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 293ce8dfc9e6..8d208dd92963 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
- * the order of 100-200 CPUs so this leaves us some breathing space if we want
- * to match a queue per guest CPU.
- */
-#define MAX_TAP_QUEUES 1024
+/* DEFAULT_MAX_NUM_RSS_QUEUES were choosed to let the rx/tx queues allocated for
+ * the netdevice to be fit in one page. So we can make sure the success of
+ * memory allocation. TODO: increase the limit. */
+#define MAX_TAP_QUEUES DEFAULT_MAX_NUM_RSS_QUEUES
+#define MAX_TAP_FLOWS  4096
 
 #define TUN_FLOW_EXPIRE (3 * HZ)
 
@@ -186,6 +186,7 @@ struct tun_struct {
         unsigned int numdisabled;
         struct list_head disabled;
         void *security;
+        u32 flow_count;
 };
 
 static inline u32 tun_hashfn(u32 rxhash)
@@ -219,6 +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;
 }
@@ -229,6 +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)
@@ -318,7 +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))
@@ -1587,6 +1591,8 @@ 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;
@@ -1610,8 +1616,8 @@ 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,
-                                       MAX_TAP_QUEUES, MAX_TAP_QUEUES);
+                                       tun_setup, queues, queues);
+
                 if (!dev)
                         return -ENOMEM;
 
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 016aa6fe6acb..b5ad7eadc4fa 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 0794004fd9d8..174e5ecea4cc 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,
-                                  u16 length, void *data)
+static void dm_write_async(struct usbnet *dev, u8 reg, 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);
-}
-
-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);
+                               0, reg, data, length);
 }
 
 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",
-                   reg, value);
-
-        dm_write_async_helper(dev, reg, value, 0, NULL);
+        usbnet_write_cmd_async(dev, DM_WRITE_REG,
+                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+                               value, reg, NULL, 0);
 }
 
 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 58914c8ea68f..eda2042a6466 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 {
@@ -1030,32 +1037,75 @@ 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 ||
-             vi->max_queue_pairs != num_online_cpus()) && set) {
-                if (vi->affinity_hint_set)
-                        set = false;
-                else
-                        return;
+        if (vi->curr_queue_pairs == 1 ||
+            vi->max_queue_pairs != num_online_cpus()) {
+                virtnet_clean_affinity(vi, -1);
+                return;
         }
 
-        for (i = 0; i < vi->max_queue_pairs; i++) {
-                int cpu = set ? i : -1;
+        i = 0;
+        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;
-        else
-                vi->affinity_hint_set = false;
+        vi->affinity_hint_set = true;
+}
+
+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,
@@ -1099,13 +1149,15 @@ 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;
 }
@@ -1144,12 +1196,19 @@ 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) :
-                  smp_processor_id();
+        int txq;
+        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;
@@ -1265,7 +1324,7 @@ 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);
 
@@ -1388,7 +1447,10 @@ 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:
@@ -1470,6 +1532,10 @@ 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);
@@ -1493,7 +1559,7 @@ 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);
@@ -1516,6 +1582,13 @@ 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)) {
@@ -1537,6 +1610,8 @@ 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:
@@ -1560,6 +1635,8 @@ 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;
@@ -1571,6 +1648,7 @@ 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/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 26ffd3e3fb74..2c113de94323 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -44,7 +44,6 @@ extern bool pciehp_poll_mode;
 extern int pciehp_poll_time;
 extern bool pciehp_debug;
 extern bool pciehp_force;
-extern struct workqueue_struct *pciehp_wq;
 
 #define dbg(format, arg...)                                             \
 do {                                                                    \
@@ -78,6 +77,7 @@ struct slot {
         struct hotplug_slot *hotplug_slot;
         struct delayed_work work;       /* work for button event */
         struct mutex lock;
+        struct workqueue_struct *wq;
 };
 
 struct event_info {
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 916bf4f53aba..939bd1d4b5b1 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -42,7 +42,6 @@ bool pciehp_debug;
 bool pciehp_poll_mode;
 int pciehp_poll_time;
 bool pciehp_force;
-struct workqueue_struct *pciehp_wq;
 
 #define DRIVER_VERSION  "0.4"
 #define DRIVER_AUTHOR   "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
@@ -340,18 +339,13 @@ static int __init pcied_init(void)
 {
         int retval = 0;
 
-        pciehp_wq = alloc_workqueue("pciehp", 0, 0);
-        if (!pciehp_wq)
-                return -ENOMEM;
-
         pciehp_firmware_init();
         retval = pcie_port_service_register(&hpdriver_portdrv);
         dbg("pcie_port_service_register = %d\n", retval);
         info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
-        if (retval) {
-                destroy_workqueue(pciehp_wq);
+        if (retval)
                 dbg("Failure to register service\n");
-        }
+
         return retval;
 }
 
@@ -359,7 +353,6 @@ static void __exit pcied_cleanup(void)
 {
         dbg("unload_pciehpd()\n");
         pcie_port_service_unregister(&hpdriver_portdrv);
-        destroy_workqueue(pciehp_wq);
         info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
 }
 
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 27f44295a657..38f018679175 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -49,7 +49,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
         info->p_slot = p_slot;
         INIT_WORK(&info->work, interrupt_event_handler);
 
-        queue_work(pciehp_wq, &info->work);
+        queue_work(p_slot->wq, &info->work);
 
         return 0;
 }
@@ -344,7 +344,7 @@ void pciehp_queue_pushbutton_work(struct work_struct *work)
                 kfree(info);
                 goto out;
         }
-        queue_work(pciehp_wq, &info->work);
+        queue_work(p_slot->wq, &info->work);
  out:
         mutex_unlock(&p_slot->lock);
 }
@@ -377,7 +377,7 @@ static void handle_button_press_event(struct slot *p_slot)
                 if (ATTN_LED(ctrl))
                         pciehp_set_attention_status(p_slot, 0);
 
-                queue_delayed_work(pciehp_wq, &p_slot->work, 5*HZ);
+                queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ);
                 break;
         case BLINKINGOFF_STATE:
         case BLINKINGON_STATE:
@@ -439,7 +439,7 @@ static void handle_surprise_event(struct slot *p_slot)
         else
                 p_slot->state = POWERON_STATE;
 
-        queue_work(pciehp_wq, &info->work);
+        queue_work(p_slot->wq, &info->work);
 }
 
 static void interrupt_event_handler(struct work_struct *work)
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 13b2eaf7ba43..5127f3f41821 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -773,23 +773,32 @@ static void pcie_shutdown_notification(struct controller *ctrl)
 static int pcie_init_slot(struct controller *ctrl)
 {
         struct slot *slot;
+        char name[32];
 
         slot = kzalloc(sizeof(*slot), GFP_KERNEL);
         if (!slot)
                 return -ENOMEM;
 
+        snprintf(name, sizeof(name), "pciehp-%u", PSN(ctrl));
+        slot->wq = alloc_workqueue(name, 0, 0);
+        if (!slot->wq)
+                goto abort;
+
         slot->ctrl = ctrl;
         mutex_init(&slot->lock);
         INIT_DELAYED_WORK(&slot->work, pciehp_queue_pushbutton_work);
         ctrl->slot = slot;
         return 0;
+abort:
+        kfree(slot);
+        return -ENOMEM;
 }
 
 static void pcie_cleanup_slot(struct controller *ctrl)
 {
         struct slot *slot = ctrl->slot;
         cancel_delayed_work(&slot->work);
-        flush_workqueue(pciehp_wq);
+        destroy_workqueue(slot->wq);
         kfree(slot);
 }
 
diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index ca64932e658b..b849f995075a 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -46,8 +46,6 @@
 extern bool shpchp_poll_mode;
 extern int shpchp_poll_time;
 extern bool shpchp_debug;
-extern struct workqueue_struct *shpchp_wq;
-extern struct workqueue_struct *shpchp_ordered_wq;
 
 #define dbg(format, arg...)                                             \
 do {                                                                    \
@@ -91,6 +89,7 @@ struct slot {
         struct list_head        slot_list;
         struct delayed_work work;       /* work for button event */
         struct mutex lock;
+        struct workqueue_struct *wq;
         u8 hp_slot;
 };
 
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index b6de307248e4..3100c52c837c 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -39,8 +39,6 @@
 bool shpchp_debug;
 bool shpchp_poll_mode;
 int shpchp_poll_time;
-struct workqueue_struct *shpchp_wq;
-struct workqueue_struct *shpchp_ordered_wq;
 
 #define DRIVER_VERSION  "0.4"
 #define DRIVER_AUTHOR   "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
@@ -129,6 +127,14 @@ static int init_slots(struct controller *ctrl)
                 slot->device = ctrl->slot_device_offset + i;
                 slot->hpc_ops = ctrl->hpc_ops;
                 slot->number = ctrl->first_slot + (ctrl->slot_num_inc * i);
+
+                snprintf(name, sizeof(name), "shpchp-%d", slot->number);
+                slot->wq = alloc_workqueue(name, 0, 0);
+                if (!slot->wq) {
+                        retval = -ENOMEM;
+                        goto error_info;
+                }
+
                 mutex_init(&slot->lock);
                 INIT_DELAYED_WORK(&slot->work, shpchp_queue_pushbutton_work);
 
@@ -148,7 +154,7 @@ static int init_slots(struct controller *ctrl)
                 if (retval) {
                         ctrl_err(ctrl, "pci_hp_register failed with error %d\n",
                                  retval);
-                        goto error_info;
+                        goto error_slotwq;
                 }
 
                 get_power_status(hotplug_slot, &info->power_status);
@@ -160,6 +166,8 @@ static int init_slots(struct controller *ctrl)
         }
 
         return 0;
+error_slotwq:
+        destroy_workqueue(slot->wq);
 error_info:
         kfree(info);
 error_hpslot:
@@ -180,8 +188,7 @@ void cleanup_slots(struct controller *ctrl)
                 slot = list_entry(tmp, struct slot, slot_list);
                 list_del(&slot->slot_list);
                 cancel_delayed_work(&slot->work);
-                flush_workqueue(shpchp_wq);
-                flush_workqueue(shpchp_ordered_wq);
+                destroy_workqueue(slot->wq);
                 pci_hp_deregister(slot->hotplug_slot);
         }
 }
@@ -364,25 +371,12 @@ static struct pci_driver shpc_driver = {
 
 static int __init shpcd_init(void)
 {
-        int retval = 0;
-
-        shpchp_wq = alloc_ordered_workqueue("shpchp", 0);
-        if (!shpchp_wq)
-                return -ENOMEM;
-
-        shpchp_ordered_wq = alloc_ordered_workqueue("shpchp_ordered", 0);
-        if (!shpchp_ordered_wq) {
-                destroy_workqueue(shpchp_wq);
-                return -ENOMEM;
-        }
+        int retval;
 
         retval = pci_register_driver(&shpc_driver);
         dbg("%s: pci_register_driver = %d\n", __func__, retval);
         info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
-        if (retval) {
-                destroy_workqueue(shpchp_ordered_wq);
-                destroy_workqueue(shpchp_wq);
-        }
+
         return retval;
 }
 
@@ -390,8 +384,6 @@ static void __exit shpcd_cleanup(void)
 {
         dbg("unload_shpchpd()\n");
         pci_unregister_driver(&shpc_driver);
-        destroy_workqueue(shpchp_ordered_wq);
-        destroy_workqueue(shpchp_wq);
         info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
 }
 
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index f9b5a52e4115..58499277903a 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -51,7 +51,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
         info->p_slot = p_slot;
         INIT_WORK(&info->work, interrupt_event_handler);
 
-        queue_work(shpchp_wq, &info->work);
+        queue_work(p_slot->wq, &info->work);
 
         return 0;
 }
@@ -453,7 +453,7 @@ void shpchp_queue_pushbutton_work(struct work_struct *work)
                 kfree(info);
                 goto out;
         }
-        queue_work(shpchp_ordered_wq, &info->work);
+        queue_work(p_slot->wq, &info->work);
  out:
         mutex_unlock(&p_slot->lock);
 }
@@ -501,7 +501,7 @@ static void handle_button_press_event(struct slot *p_slot)
                 p_slot->hpc_ops->green_led_blink(p_slot);
                 p_slot->hpc_ops->set_attention_status(p_slot, 0);
 
-                queue_delayed_work(shpchp_wq, &p_slot->work, 5*HZ);
+                queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ);
                 break;
         case BLINKINGOFF_STATE:
         case BLINKINGON_STATE:
diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig
index 6c8bc5809787..fde4a32a0295 100644
--- a/drivers/pci/pcie/Kconfig
+++ b/drivers/pci/pcie/Kconfig
@@ -82,4 +82,4 @@ endchoice
 
 config PCIE_PME
         def_bool y
-        depends on PCIEPORTBUS && PM_RUNTIME && EXPERIMENTAL && ACPI
+        depends on PCIEPORTBUS && PM_RUNTIME && ACPI
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 421bbc5fee32..564d97f94b6c 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -630,6 +630,7 @@ static void aer_recover_work_func(struct work_struct *work)
                         continue;
                 }
                 do_recovery(pdev, entry.severity);
+                pci_dev_put(pdev);
         }
 }
 #endif
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index b52630b8eada..8474b6a4fc9b 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -771,6 +771,9 @@ void pcie_clear_aspm(struct pci_bus *bus)
 {
         struct pci_dev *child;
 
+        if (aspm_force)
+                return;
+
         /*
          * Clear any ASPM setup that the firmware has carried out on this bus
          */
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 0f65b246cc0c..278584302f2d 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1885,9 +1885,15 @@ int regulator_can_change_voltage(struct regulator *regulator)
         struct regulator_dev    *rdev = regulator->rdev;
 
         if (rdev->constraints &&
-            rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE &&
-            (rdev->desc->n_voltages - rdev->desc->linear_min_sel) > 1)
-                return 1;
+            (rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) {
+                if (rdev->desc->n_voltages - rdev->desc->linear_min_sel > 1)
+                        return 1;
+
+                if (rdev->desc->continuous_voltage_range &&
+                    rdev->constraints->min_uV && rdev->constraints->max_uV &&
+                    rdev->constraints->min_uV != rdev->constraints->max_uV)
+                        return 1;
+        }
 
         return 0;
 }
@@ -3315,7 +3321,8 @@ static void rdev_init_debugfs(struct regulator_dev *rdev)
  * @config: runtime configuration for regulator
  *
  * Called by regulator drivers to register a regulator.
- * Returns 0 on success.
+ * Returns a valid pointer to struct regulator_dev on success
+ * or an ERR_PTR() on error.
  */
 struct regulator_dev *
 regulator_register(const struct regulator_desc *regulator_desc,
diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index df0eafb0dc7e..02be7fcae32f 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -71,26 +71,26 @@ struct voltage_map_desc {
         int step;
 };
 
-/* Voltage maps in mV */
+/* Voltage maps in uV */
 static const struct voltage_map_desc ldo_voltage_map_desc = {
-        .min = 800,     .max = 3950,    .step = 50,
+        .min = 800000,  .max = 3950000, .step = 50000,
 }; /* LDO1 ~ 18, 21 all */
 
 static const struct voltage_map_desc buck1245_voltage_map_desc = {
-        .min = 650,     .max = 2225,    .step = 25,
+        .min = 650000,  .max = 2225000, .step = 25000,
 }; /* Buck1, 2, 4, 5 */
 
 static const struct voltage_map_desc buck37_voltage_map_desc = {
-        .min = 750,     .max = 3900,    .step = 50,
+        .min = 750000,  .max = 3900000, .step = 50000,
 }; /* Buck3, 7 */
 
-/* current map in mA */
+/* current map in uA */
 static const struct voltage_map_desc charger_current_map_desc = {
-        .min = 200,     .max = 950,     .step = 50,
+        .min = 200000,  .max = 950000,  .step = 50000,
 };
 
 static const struct voltage_map_desc topoff_current_map_desc = {
-        .min = 50,      .max = 200,     .step = 10,
+        .min = 50000,   .max = 200000,  .step = 10000,
 };
 
 static const struct voltage_map_desc *reg_voltage_map[] = {
@@ -194,7 +194,7 @@ static int max8997_list_voltage(struct regulator_dev *rdev,
         if (val > desc->max)
                 return -EINVAL;
 
-        return val * 1000;
+        return val;
 }
 
 static int max8997_get_enable_register(struct regulator_dev *rdev,
@@ -485,7 +485,6 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev,
 {
         struct max8997_data *max8997 = rdev_get_drvdata(rdev);
         struct i2c_client *i2c = max8997->iodev->i2c;
-        int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
         const struct voltage_map_desc *desc;
         int rid = rdev_get_id(rdev);
         int i, reg, shift, mask, ret;
@@ -509,7 +508,7 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev,
 
         desc = reg_voltage_map[rid];
 
-        i = max8997_get_voltage_proper_val(desc, min_vol, max_vol);
+        i = max8997_get_voltage_proper_val(desc, min_uV, max_uV);
         if (i < 0)
                 return i;
 
@@ -557,7 +556,7 @@ static int max8997_set_voltage_ldobuck_time_sel(struct regulator_dev *rdev,
         case MAX8997_BUCK4:
         case MAX8997_BUCK5:
                 return DIV_ROUND_UP(desc->step * (new_selector - old_selector),
-                                    max8997->ramp_delay);
+                                    max8997->ramp_delay * 1000);
         }
 
         return 0;
@@ -656,7 +655,6 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev,
         const struct voltage_map_desc *desc;
         int new_val, new_idx, damage, tmp_val, tmp_idx, tmp_dmg;
         bool gpio_dvs_mode = false;
-        int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
 
         if (rid < MAX8997_BUCK1 || rid > MAX8997_BUCK7)
                 return -EINVAL;
@@ -681,7 +679,7 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev,
                                                 selector);
 
         desc = reg_voltage_map[rid];
-        new_val = max8997_get_voltage_proper_val(desc, min_vol, max_vol);
+        new_val = max8997_get_voltage_proper_val(desc, min_uV, max_uV);
         if (new_val < 0)
                 return new_val;
 
@@ -1123,8 +1121,8 @@ static int max8997_pmic_probe(struct platform_device *pdev)
                 max8997->buck1_vol[i] = ret =
                         max8997_get_voltage_proper_val(
                                         &buck1245_voltage_map_desc,
-                                        pdata->buck1_voltage[i] / 1000,
-                                        pdata->buck1_voltage[i] / 1000 +
+                                        pdata->buck1_voltage[i],
+                                        pdata->buck1_voltage[i] +
                                         buck1245_voltage_map_desc.step);
                 if (ret < 0)
                         goto err_out;
@@ -1132,8 +1130,8 @@ static int max8997_pmic_probe(struct platform_device *pdev)
                 max8997->buck2_vol[i] = ret =
                         max8997_get_voltage_proper_val(
                                         &buck1245_voltage_map_desc,
-                                        pdata->buck2_voltage[i] / 1000,
-                                        pdata->buck2_voltage[i] / 1000 +
+                                        pdata->buck2_voltage[i],
+                                        pdata->buck2_voltage[i] +
                                         buck1245_voltage_map_desc.step);
                 if (ret < 0)
                         goto err_out;
@@ -1141,8 +1139,8 @@ static int max8997_pmic_probe(struct platform_device *pdev)
                 max8997->buck5_vol[i] = ret =
                         max8997_get_voltage_proper_val(
                                         &buck1245_voltage_map_desc,
-                                        pdata->buck5_voltage[i] / 1000,
-                                        pdata->buck5_voltage[i] / 1000 +
+                                        pdata->buck5_voltage[i],
+                                        pdata->buck5_voltage[i] +
                                         buck1245_voltage_map_desc.step);
                 if (ret < 0)
                         goto err_out;
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index b821d08eb64a..1f0df4046b86 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -51,39 +51,39 @@ struct voltage_map_desc {
         int step;
 };
 
-/* Voltage maps */
+/* Voltage maps in uV*/
 static const struct voltage_map_desc ldo23_voltage_map_desc = {
-        .min = 800,     .step = 50,     .max = 1300,
+        .min = 800000,  .step = 50000,  .max = 1300000,
 };
 static const struct voltage_map_desc ldo456711_voltage_map_desc = {
-        .min = 1600,    .step = 100,    .max = 3600,
+        .min = 1600000, .step = 100000, .max = 3600000,
 };
 static const struct voltage_map_desc ldo8_voltage_map_desc = {
-        .min = 3000,    .step = 100,    .max = 3600,
+        .min = 3000000, .step = 100000, .max = 3600000,
 };
 static const struct voltage_map_desc ldo9_voltage_map_desc = {
-        .min = 2800,    .step = 100,    .max = 3100,
+        .min = 2800000, .step = 100000, .max = 3100000,
 };
 static const struct voltage_map_desc ldo10_voltage_map_desc = {
-        .min = 950,     .step = 50,     .max = 1300,
+        .min = 95000,   .step = 50000,  .max = 1300000,
 };
 static const struct voltage_map_desc ldo1213_voltage_map_desc = {
-        .min = 800,     .step = 100,    .max = 3300,
+        .min = 800000,  .step = 100000, .max = 3300000,
 };
 static const struct voltage_map_desc ldo1415_voltage_map_desc = {
-        .min = 1200,    .step = 100,    .max = 3300,
+        .min = 1200000, .step = 100000, .max = 3300000,
 };
 static const struct voltage_map_desc ldo1617_voltage_map_desc = {
-        .min = 1600,    .step = 100,    .max = 3600,
+        .min = 1600000, .step = 100000, .max = 3600000,
 };
 static const struct voltage_map_desc buck12_voltage_map_desc = {
-        .min = 750,     .step = 25,     .max = 1525,
+        .min = 750000,  .step = 25000,  .max = 1525000,
 };
 static const struct voltage_map_desc buck3_voltage_map_desc = {
-        .min = 1600,    .step = 100,    .max = 3600,
+        .min = 1600000, .step = 100000, .max = 3600000,
 };
 static const struct voltage_map_desc buck4_voltage_map_desc = {
-        .min = 800,     .step = 100,    .max = 2300,
+        .min = 800000,  .step = 100000, .max = 2300000,
 };
 
 static const struct voltage_map_desc *ldo_voltage_map[] = {
@@ -445,9 +445,9 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev,
         if (max8998->iodev->type == TYPE_MAX8998 && !(val & MAX8998_ENRAMP))
                 return 0;
 
-        difference = (new_selector - old_selector) * desc->step;
+        difference = (new_selector - old_selector) * desc->step / 1000;
         if (difference > 0)
-                return difference / ((val & 0x0f) + 1);
+                return DIV_ROUND_UP(difference, (val & 0x0f) + 1);
 
         return 0;
 }
@@ -702,7 +702,7 @@ static int max8998_pmic_probe(struct platform_device *pdev)
                 i = 0;
                 while (buck12_voltage_map_desc.min +
                        buck12_voltage_map_desc.step*i
-                       < (pdata->buck1_voltage1 / 1000))
+                       < pdata->buck1_voltage1)
                         i++;
                 max8998->buck1_vol[0] = i;
                 ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE1, i);
@@ -713,7 +713,7 @@ static int max8998_pmic_probe(struct platform_device *pdev)
                 i = 0;
                 while (buck12_voltage_map_desc.min +
                        buck12_voltage_map_desc.step*i
-                       < (pdata->buck1_voltage2 / 1000))
+                       < pdata->buck1_voltage2)
                         i++;
 
                 max8998->buck1_vol[1] = i;
@@ -725,7 +725,7 @@ static int max8998_pmic_probe(struct platform_device *pdev)
                 i = 0;
                 while (buck12_voltage_map_desc.min +
                        buck12_voltage_map_desc.step*i
-                       < (pdata->buck1_voltage3 / 1000))
+                       < pdata->buck1_voltage3)
                         i++;
 
                 max8998->buck1_vol[2] = i;
@@ -737,7 +737,7 @@ static int max8998_pmic_probe(struct platform_device *pdev)
                 i = 0;
                 while (buck12_voltage_map_desc.min +
                        buck12_voltage_map_desc.step*i
-                       < (pdata->buck1_voltage4 / 1000))
+                       < pdata->buck1_voltage4)
                         i++;
 
                 max8998->buck1_vol[3] = i;
@@ -763,7 +763,7 @@ static int max8998_pmic_probe(struct platform_device *pdev)
                 i = 0;
                 while (buck12_voltage_map_desc.min +
                        buck12_voltage_map_desc.step*i
-                       < (pdata->buck2_voltage1 / 1000))
+                       < pdata->buck2_voltage1)
                         i++;
                 max8998->buck2_vol[0] = i;
                 ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE1, i);
@@ -774,7 +774,7 @@ static int max8998_pmic_probe(struct platform_device *pdev)
                 i = 0;
                 while (buck12_voltage_map_desc.min +
                        buck12_voltage_map_desc.step*i
-                       < (pdata->buck2_voltage2 / 1000))
+                       < pdata->buck2_voltage2)
                         i++;
                 max8998->buck2_vol[1] = i;
                 ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE2, i);
@@ -792,8 +792,8 @@ static int max8998_pmic_probe(struct platform_device *pdev)
                         int count = (desc->max - desc->min) / desc->step + 1;
 
                         regulators[index].n_voltages = count;
-                        regulators[index].min_uV = desc->min * 1000;
-                        regulators[index].uV_step = desc->step * 1000;
+                        regulators[index].min_uV = desc->min;
+                        regulators[index].uV_step = desc->step;
                 }
 
                 config.dev = max8998->dev;
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 9f991f2c525a..33b65c9ad5d5 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -214,7 +214,7 @@ static int s5m8767_reg_is_enabled(struct regulator_dev *rdev)
         struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
         int ret, reg;
         int mask = 0xc0, enable_ctrl;
-        u8 val;
+        unsigned int val;
 
         ret = s5m8767_get_register(rdev, &reg, &enable_ctrl);
         if (ret == -EINVAL)
@@ -306,7 +306,7 @@ static int s5m8767_get_voltage_sel(struct regulator_dev *rdev)
         struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
         int reg, mask, ret;
         int reg_id = rdev_get_id(rdev);
-        u8 val;
+        unsigned int val;
 
         ret = s5m8767_get_voltage_register(rdev, &reg);
         if (ret)
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 68e80e2734a4..10729bbceced 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -283,7 +283,7 @@ struct chsc_sei_nt2_area {
         u8  ccdf[PAGE_SIZE - 24 - 56];  /* content-code dependent field */
 } __packed;
 
-#define CHSC_SEI_NT0    0ULL
+#define CHSC_SEI_NT0    (1ULL << 63)
 #define CHSC_SEI_NT2    (1ULL << 61)
 
 struct chsc_sei {
@@ -291,7 +291,8 @@ struct chsc_sei {
         u32 reserved1;
         u64 ntsm;                       /* notification type mask */
         struct chsc_header response;
-        u32 reserved2;
+        u32 :24;
+        u8 nt;
         union {
                 struct chsc_sei_nt0_area nt0_area;
                 struct chsc_sei_nt2_area nt2_area;
@@ -496,17 +497,17 @@ static int __chsc_process_crw(struct chsc_sei *sei, u64 ntsm)
                                 css_schedule_eval_all();
                         }
 
-                        switch (sei->ntsm) {
-                        case CHSC_SEI_NT0:
+                        switch (sei->nt) {
+                        case 0:
                                 chsc_process_sei_nt0(&sei->u.nt0_area);
-                                return 1;
-                        case CHSC_SEI_NT2:
+                                break;
+                        case 2:
                                 chsc_process_sei_nt2(&sei->u.nt2_area);
-                                return 1;
+                                break;
                         default:
-                                CIO_CRW_EVENT(2, "chsc: unhandled nt (nt=%08Lx)\n",
-                                              sei->ntsm);
-                                return 0;
+                                CIO_CRW_EVENT(2, "chsc: unhandled nt=%d\n",
+                                              sei->nt);
+                                break;
                         }
                 } else {
                         CIO_CRW_EVENT(2, "chsc: sei failed (rc=%04x)\n",
@@ -537,15 +538,7 @@ static void chsc_process_crw(struct crw *crw0, struct crw *crw1, int overflow)
         sei = sei_page;
 
         CIO_TRACE_EVENT(2, "prcss");
-
-        /*
-         * The ntsm does not allow to select NT0 and NT2 together. We need to
-         * first check for NT2, than additionally for NT0...
-         */
-#ifdef CONFIG_PCI
-        if (!__chsc_process_crw(sei, CHSC_SEI_NT2))
-#endif
-                __chsc_process_crw(sei, CHSC_SEI_NT0);
+        __chsc_process_crw(sei, CHSC_SEI_NT0 | CHSC_SEI_NT2);
 }
 
 void chsc_chp_online(struct chp_id chpid)
diff --git a/drivers/sh/clk/cpg.c b/drivers/sh/clk/cpg.c
index 5aedcdf4ac5c..1ebe67cd1833 100644
--- a/drivers/sh/clk/cpg.c
+++ b/drivers/sh/clk/cpg.c
@@ -126,6 +126,12 @@ static int sh_clk_div_set_rate(struct clk *clk, unsigned long rate)
 
 static int sh_clk_div_enable(struct clk *clk)
 {
+        if (clk->div_mask == SH_CLK_DIV6_MSK) {
+                int ret = sh_clk_div_set_rate(clk, clk->rate);
+                if (ret < 0)
+                        return ret;
+        }
+
         sh_clk_write(sh_clk_read(clk) & ~CPG_CKSTP_BIT, clk);
         return 0;
 }
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index fb31b457a56a..c5ceb9d90ea8 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -239,7 +239,7 @@ static irqreturn_t mxs_lradc_trigger_handler(int irq, void *p)
         struct mxs_lradc *lradc = iio_priv(iio);
         const uint32_t chan_value = LRADC_CH_ACCUMULATE |
                 ((LRADC_DELAY_TIMER_LOOP - 1) << LRADC_CH_NUM_SAMPLES_OFFSET);
-        int i, j = 0;
+        unsigned int i, j = 0;
 
         for_each_set_bit(i, iio->active_scan_mask, iio->masklength) {
                 lradc->buffer[j] = readl(lradc->base + LRADC_CH(j));
diff --git a/drivers/staging/iio/gyro/adis16080_core.c b/drivers/staging/iio/gyro/adis16080_core.c
index 3525a68d6a75..41d7350d030f 100644
--- a/drivers/staging/iio/gyro/adis16080_core.c
+++ b/drivers/staging/iio/gyro/adis16080_core.c
@@ -69,7 +69,7 @@ static int adis16080_spi_read(struct iio_dev *indio_dev,
         ret = spi_read(st->us, st->buf, 2);
 
         if (ret == 0)
-                *val = ((st->buf[0] & 0xF) << 8) | st->buf[1];
+                *val = sign_extend32(((st->buf[0] & 0xF) << 8) | st->buf[1], 11);
         mutex_unlock(&st->buf_lock);
 
         return ret;
diff --git a/drivers/staging/sb105x/sb_pci_mp.c b/drivers/staging/sb105x/sb_pci_mp.c
index 131afd0c460c..9464f3874346 100644
--- a/drivers/staging/sb105x/sb_pci_mp.c
+++ b/drivers/staging/sb105x/sb_pci_mp.c
@@ -3054,7 +3054,7 @@ static int init_mp_dev(struct pci_dev *pcidev, mppcibrd_t brd)
                                 sbdev->nr_ports = ((portnum_hex/16)*10) + (portnum_hex % 16);
                         }
                         break;
-#ifdef CONFIG_PARPORT
+#ifdef CONFIG_PARPORT_PC
                 case PCI_DEVICE_ID_MP2S1P :
                         sbdev->nr_ports = 2;
 
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index 6b2ec390e775..806cbf72fb59 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -90,7 +90,6 @@ typedef struct tagSRSNCapObject {
 } SRSNCapObject, *PSRSNCapObject;
 
 // BSS info(AP)
-#pragma pack(1)
 typedef struct tagKnownBSS {
     // BSS info
     BOOL            bActive;
diff --git a/drivers/staging/vt6656/int.h b/drivers/staging/vt6656/int.h
index 5d8faf9f96ec..e0d2b07ba608 100644
--- a/drivers/staging/vt6656/int.h
+++ b/drivers/staging/vt6656/int.h
@@ -34,7 +34,6 @@
 #include "device.h"
 
 /*---------------------  Export Definitions -------------------------*/
-#pragma pack(1)
 typedef struct tagSINTData {
         BYTE byTSR0;
         BYTE byPkt0;
diff --git a/drivers/staging/vt6656/iocmd.h b/drivers/staging/vt6656/iocmd.h
index 22710cef751d..ae6e2d237b20 100644
--- a/drivers/staging/vt6656/iocmd.h
+++ b/drivers/staging/vt6656/iocmd.h
@@ -95,13 +95,12 @@ typedef enum tagWZONETYPE {
 // Ioctl interface structure
 // Command structure
 //
-#pragma pack(1)
 typedef struct tagSCmdRequest {
         u8 name[16];
         void    *data;
         u16         wResult;
         u16     wCmdCode;
-} SCmdRequest, *PSCmdRequest;
+} __packed SCmdRequest, *PSCmdRequest;
 
 //
 // Scan
@@ -111,7 +110,7 @@ typedef struct tagSCmdScan {
 
     u8      ssid[SSID_MAXLEN + 2];
 
-} SCmdScan, *PSCmdScan;
+} __packed SCmdScan, *PSCmdScan;
 
 //
 // BSS Join
@@ -126,7 +125,7 @@ typedef struct tagSCmdBSSJoin {
     BOOL    bPSEnable;
     BOOL    bShareKeyAuth;
 
-} SCmdBSSJoin, *PSCmdBSSJoin;
+} __packed SCmdBSSJoin, *PSCmdBSSJoin;
 
 //
 // Zonetype Setting
@@ -137,7 +136,7 @@ typedef struct tagSCmdZoneTypeSet {
  BOOL       bWrite;
  WZONETYPE  ZoneType;
 
-} SCmdZoneTypeSet, *PSCmdZoneTypeSet;
+} __packed SCmdZoneTypeSet, *PSCmdZoneTypeSet;
 
 typedef struct tagSWPAResult {
          char   ifname[100];
@@ -145,7 +144,7 @@ typedef struct tagSWPAResult {
         u8 key_mgmt;
         u8 eap_type;
          BOOL authenticated;
-} SWPAResult, *PSWPAResult;
+} __packed SWPAResult, *PSWPAResult;
 
 typedef struct tagSCmdStartAP {
 
@@ -157,7 +156,7 @@ typedef struct tagSCmdStartAP {
     BOOL    bShareKeyAuth;
     u8      byBasicRate;
 
-} SCmdStartAP, *PSCmdStartAP;
+} __packed SCmdStartAP, *PSCmdStartAP;
 
 typedef struct tagSCmdSetWEP {
 
@@ -167,7 +166,7 @@ typedef struct tagSCmdSetWEP {
     BOOL    bWepKeyAvailable[WEP_NKEYS];
     u32     auWepKeyLength[WEP_NKEYS];
 
-} SCmdSetWEP, *PSCmdSetWEP;
+} __packed SCmdSetWEP, *PSCmdSetWEP;
 
 typedef struct tagSBSSIDItem {
 
@@ -180,14 +179,14 @@ typedef struct tagSBSSIDItem {
     BOOL    bWEPOn;
     u32     uRSSI;
 
-} SBSSIDItem;
+} __packed SBSSIDItem;
 
 
 typedef struct tagSBSSIDList {
 
         u32                 uItem;
         SBSSIDItem      sBSSIDList[0];
-} SBSSIDList, *PSBSSIDList;
+} __packed SBSSIDList, *PSBSSIDList;
 
 
 typedef struct tagSNodeItem {
@@ -208,7 +207,7 @@ typedef struct tagSNodeItem {
     u32            uTxAttempts;
     u16            wFailureRatio;
 
-} SNodeItem;
+} __packed SNodeItem;
 
 
 typedef struct tagSNodeList {
@@ -216,7 +215,7 @@ typedef struct tagSNodeList {
         u32                 uItem;
         SNodeItem       sNodeList[0];
 
-} SNodeList, *PSNodeList;
+} __packed SNodeList, *PSNodeList;
 
 
 typedef struct tagSCmdLinkStatus {
@@ -229,7 +228,7 @@ typedef struct tagSCmdLinkStatus {
     u32     uChannel;
     u32     uLinkRate;
 
-} SCmdLinkStatus, *PSCmdLinkStatus;
+} __packed SCmdLinkStatus, *PSCmdLinkStatus;
 
 //
 // 802.11 counter
@@ -247,7 +246,7 @@ typedef struct tagSDot11MIBCount {
     u32 ReceivedFragmentCount;
     u32 MulticastReceivedFrameCount;
     u32 FCSErrorCount;
-} SDot11MIBCount, *PSDot11MIBCount;
+} __packed SDot11MIBCount, *PSDot11MIBCount;
 
 
 
@@ -355,13 +354,13 @@ typedef struct tagSStatMIBCount {
     u32   ullTxBroadcastBytes[2];
     u32   ullTxMulticastBytes[2];
     u32   ullTxDirectedBytes[2];
-} SStatMIBCount, *PSStatMIBCount;
+} __packed SStatMIBCount, *PSStatMIBCount;
 
 typedef struct tagSCmdValue {
 
     u32     dwValue;
 
-} SCmdValue,  *PSCmdValue;
+} __packed SCmdValue,  *PSCmdValue;
 
 //
 // hostapd & viawget ioctl related
@@ -431,7 +430,7 @@ struct viawget_hostapd_param {
                         u8 ssid[32];
                 } scan_req;
         } u;
-};
+} __packed;
 
 /*---------------------  Export Classes  ----------------------------*/
 
diff --git a/drivers/staging/vt6656/iowpa.h b/drivers/staging/vt6656/iowpa.h
index 959c8868f6e2..2522ddec718d 100644
--- a/drivers/staging/vt6656/iowpa.h
+++ b/drivers/staging/vt6656/iowpa.h
@@ -67,12 +67,11 @@ enum {
 
 
 
-#pragma pack(1)
 typedef struct viawget_wpa_header {
         u8 type;
         u16 req_ie_len;
         u16 resp_ie_len;
-} viawget_wpa_header;
+} __packed viawget_wpa_header;
 
 struct viawget_wpa_param {
         u32 cmd;
@@ -113,9 +112,8 @@ struct viawget_wpa_param {
                         u8 *buf;
                 } scan_results;
         } u;
-};
+} __packed;
 
-#pragma pack(1)
 struct viawget_scan_result {
         u8 bssid[6];
         u8 ssid[32];
@@ -130,7 +128,7 @@ struct viawget_scan_result {
         int noise;
         int level;
         int maxrate;
-};
+} __packed;
 
 /*---------------------  Export Classes  ----------------------------*/
 
diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c
index 4efa9bc0fcf0..89bfd858bb28 100644
--- a/drivers/staging/wlan-ng/prism2mgmt.c
+++ b/drivers/staging/wlan-ng/prism2mgmt.c
@@ -406,7 +406,7 @@ int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp)
         /* SSID */
         req->ssid.status = P80211ENUM_msgitem_status_data_ok;
         req->ssid.data.len = le16_to_cpu(item->ssid.len);
-        req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_BSSID_LEN);
+        req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_SSID_MAXLEN);
         memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len);
 
         /* supported rates */
diff --git a/drivers/target/iscsi/iscsi_target_erl2.c b/drivers/target/iscsi/iscsi_target_erl2.c
index 9ac4c151eae4..ba6091bf93fc 100644
--- a/drivers/target/iscsi/iscsi_target_erl2.c
+++ b/drivers/target/iscsi/iscsi_target_erl2.c
@@ -372,7 +372,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
                  * made generic here.
                  */
                 if (!(cmd->cmd_flags & ICF_OOO_CMDSN) && !cmd->immediate_cmd &&
-                     iscsi_sna_gte(cmd->stat_sn, conn->sess->exp_cmd_sn)) {
+                     iscsi_sna_gte(cmd->cmd_sn, conn->sess->exp_cmd_sn)) {
                         list_del(&cmd->i_conn_node);
                         spin_unlock_bh(&conn->cmd_lock);
                         iscsit_free_cmd(cmd);
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 85140f7dde1e..7d4ec02e29a9 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -212,7 +212,7 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd)
         struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem, *l_tg_pt_gp_mem;
         unsigned char *buf;
         unsigned char *ptr;
-        sense_reason_t rc;
+        sense_reason_t rc = TCM_NO_SENSE;
         u32 len = 4; /* Skip over RESERVED area in header */
         int alua_access_state, primary = 0;
         u16 tg_pt_id, rtpi;
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index e35dbf85841f..8e0290b38e43 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -2053,7 +2053,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
         /* Used for APTPL metadata w/ UNREGISTER */
         unsigned char *pr_aptpl_buf = NULL;
         unsigned char isid_buf[PR_REG_ISID_LEN], *isid_ptr = NULL;
-        sense_reason_t ret;
+        sense_reason_t ret = TCM_NO_SENSE;
         int pr_holder = 0, type;
 
         if (!se_sess || !se_lun) {
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index c23c76ccef65..bd587b70661a 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -541,9 +541,6 @@ static void transport_lun_remove_cmd(struct se_cmd *cmd)
 
 void transport_cmd_finish_abort(struct se_cmd *cmd, int remove)
 {
-        if (!(cmd->se_cmd_flags & SCF_SCSI_TMR_CDB))
-                transport_lun_remove_cmd(cmd);
-
         if (transport_cmd_check_stop_to_fabric(cmd))
                 return;
         if (remove)
@@ -1396,6 +1393,8 @@ static void target_complete_tmr_failure(struct work_struct *work)
 
         se_cmd->se_tmr_req->response = TMR_LUN_DOES_NOT_EXIST;
         se_cmd->se_tfo->queue_tm_rsp(se_cmd);
+
+        transport_cmd_check_stop_to_fabric(se_cmd);
 }
 
 /**
@@ -1688,6 +1687,7 @@ void target_execute_cmd(struct se_cmd *cmd)
         }
 
         cmd->t_state = TRANSPORT_PROCESSING;
+        cmd->transport_state |= CMD_T_ACTIVE;
         spin_unlock_irq(&cmd->t_state_lock);
 
         if (!target_handle_task_attr(cmd))
@@ -2597,6 +2597,16 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd,
          * SENSE KEY values from include/scsi/scsi.h
          */
         switch (reason) {
+        case TCM_NO_SENSE:
+                /* CURRENT ERROR */
+                buffer[0] = 0x70;
+                buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
+                /* Not Ready */
+                buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY;
+                /* NO ADDITIONAL SENSE INFORMATION */
+                buffer[SPC_ASC_KEY_OFFSET] = 0;
+                buffer[SPC_ASCQ_KEY_OFFSET] = 0;
+                break;
         case TCM_NON_EXISTENT_LUN:
                 /* CURRENT ERROR */
                 buffer[0] = 0x70;
@@ -2743,7 +2753,7 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd,
                 /* ILLEGAL REQUEST */
                 buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
                 /* LOGICAL UNIT COMMUNICATION FAILURE */
-                buffer[SPC_ASC_KEY_OFFSET] = 0x80;
+                buffer[SPC_ASC_KEY_OFFSET] = 0x08;
                 break;
         }
         /*
@@ -2804,6 +2814,8 @@ void transport_send_task_abort(struct se_cmd *cmd)
         }
         cmd->scsi_status = SAM_STAT_TASK_ABORTED;
 
+        transport_lun_remove_cmd(cmd);
+
         pr_debug("Setting SAM_STAT_TASK_ABORTED status for CDB: 0x%02x,"
                 " ITT: 0x%08x\n", cmd->t_task_cdb[0],
                 cmd->se_tfo->get_task_tag(cmd));
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index 12d6fa21e5e1..6659dd36e806 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -355,11 +355,11 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len,
 
         tport = ft_tport_create(rdata->local_port);
         if (!tport)
-                return 0;       /* not a target for this local port */
+                goto not_target;        /* not a target for this local port */
 
         acl = ft_acl_get(tport->tpg, rdata);
         if (!acl)
-                return 0;
+                goto not_target;        /* no target for this remote */
 
         if (!rspp)
                 goto fill;
@@ -396,12 +396,18 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len,
 
         /*
          * OR in our service parameters with other provider (initiator), if any.
-         * TBD XXX - indicate RETRY capability?
          */
 fill:
         fcp_parm = ntohl(spp->spp_params);
+        fcp_parm &= ~FCP_SPPF_RETRY;
         spp->spp_params = htonl(fcp_parm | FCP_SPPF_TARG_FCN);
         return FC_SPP_RESP_ACK;
+
+not_target:
+        fcp_parm = ntohl(spp->spp_params);
+        fcp_parm &= ~FCP_SPPF_TARG_FCN;
+        spp->spp_params = htonl(fcp_parm);
+        return 0;
 }
 
 /**
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index be6a373601b7..79ff3a5e925d 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -441,6 +441,8 @@ static int pty_bsd_ioctl(struct tty_struct *tty,
                 return pty_get_pktmode(tty, (int __user *)arg);
         case TIOCSIG:    /* Send signal to other side of pty */
                 return pty_signal(tty, (int) arg);
+        case TIOCGPTN: /* TTY returns ENOTTY, but glibc expects EINVAL here */
+                return -EINVAL;
         }
         return -ENOIOCTLCMD;
 }
diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c
index d085e3a8ec06..f9320437a649 100644
--- a/drivers/tty/serial/8250/8250.c
+++ b/drivers/tty/serial/8250/8250.c
@@ -300,6 +300,12 @@ static const struct serial8250_config uart_config[] = {
                                   UART_FCR_R_TRIG_00 | UART_FCR_T_TRIG_00,
                 .flags          = UART_CAP_FIFO,
         },
+        [PORT_BRCM_TRUMANAGE] = {
+                .name           = "TruManage",
+                .fifo_size      = 1,
+                .tx_loadsz      = 1024,
+                .flags          = UART_CAP_HFIFO,
+        },
         [PORT_8250_CIR] = {
                 .name           = "CIR port"
         }
@@ -1490,6 +1496,11 @@ void serial8250_tx_chars(struct uart_8250_port *up)
                 port->icount.tx++;
                 if (uart_circ_empty(xmit))
                         break;
+                if (up->capabilities & UART_CAP_HFIFO) {
+                        if ((serial_port_in(port, UART_LSR) & BOTH_EMPTY) !=
+                            BOTH_EMPTY)
+                                break;
+                }
         } while (--count > 0);
 
         if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index 3b4ea84898c2..12caa1292b75 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -40,6 +40,7 @@ struct serial8250_config {
 #define UART_CAP_AFE    (1 << 11)       /* MCR-based hw flow control */
 #define UART_CAP_UUE    (1 << 12)       /* UART needs IER bit 6 set (Xscale) */
 #define UART_CAP_RTOIE  (1 << 13)       /* UART needs IER bit 4 set (Xscale, Tegra) */
+#define UART_CAP_HFIFO  (1 << 14)       /* UART has a "hidden" FIFO */
 
 #define UART_BUG_QUOT   (1 << 0)        /* UART has buggy quot LSB */
 #define UART_BUG_TXEN   (1 << 1)        /* UART has buggy TX IIR status */
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index 1d0dba2d562d..096d2ef48b32 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -79,7 +79,7 @@ static int dw8250_handle_irq(struct uart_port *p)
         } else if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) {
                 /* Clear the USR and write the LCR again. */
                 (void)p->serial_in(p, UART_USR);
-                p->serial_out(p, d->last_lcr, UART_LCR);
+                p->serial_out(p, UART_LCR, d->last_lcr);
 
                 return 1;
         }
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 26b9dc012ed0..a27a98e1b066 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1085,6 +1085,18 @@ pci_omegapci_setup(struct serial_private *priv,
         return setup_port(priv, port, 2, idx * 8, 0);
 }
 
+static int
+pci_brcm_trumanage_setup(struct serial_private *priv,
+                         const struct pciserial_board *board,
+                         struct uart_8250_port *port, int idx)
+{
+        int ret = pci_default_setup(priv, board, port, idx);
+
+        port->port.type = PORT_BRCM_TRUMANAGE;
+        port->port.flags = (port->port.flags | UPF_FIXED_PORT | UPF_FIXED_TYPE);
+        return ret;
+}
+
 static int skip_tx_en_setup(struct serial_private *priv,
                         const struct pciserial_board *board,
                         struct uart_8250_port *port, int idx)
@@ -1301,9 +1313,10 @@ pci_wch_ch353_setup(struct serial_private *priv,
 #define PCI_VENDOR_ID_AGESTAR           0x5372
 #define PCI_DEVICE_ID_AGESTAR_9375      0x6872
 #define PCI_VENDOR_ID_ASIX              0x9710
-#define PCI_DEVICE_ID_COMMTECH_4222PCIE 0x0019
 #define PCI_DEVICE_ID_COMMTECH_4224PCIE 0x0020
 #define PCI_DEVICE_ID_COMMTECH_4228PCIE 0x0021
+#define PCI_DEVICE_ID_COMMTECH_4222PCIE 0x0022
+#define PCI_DEVICE_ID_BROADCOM_TRUMANAGE 0x160a
 
 
 /* Unknown vendors/cards - this should not be in linux/pci_ids.h */
@@ -1954,6 +1967,17 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
                 .setup          = pci_xr17v35x_setup,
         },
         /*
+         * Broadcom TruManage (NetXtreme)
+         */
+        {
+                .vendor         = PCI_VENDOR_ID_BROADCOM,
+                .device         = PCI_DEVICE_ID_BROADCOM_TRUMANAGE,
+                .subvendor      = PCI_ANY_ID,
+                .subdevice      = PCI_ANY_ID,
+                .setup          = pci_brcm_trumanage_setup,
+        },
+
+        /*
          * Default "match everything" terminator entry
          */
         {
@@ -2148,6 +2172,7 @@ enum pci_board_num_t {
         pbn_ce4100_1_115200,
         pbn_omegapci,
         pbn_NETMOS9900_2s_115200,
+        pbn_brcm_trumanage,
 };
 
 /*
@@ -2246,7 +2271,7 @@ static struct pciserial_board pci_boards[] = {
 
         [pbn_b0_8_1152000_200] = {
                 .flags          = FL_BASE0,
-                .num_ports      = 2,
+                .num_ports      = 8,
                 .base_baud      = 1152000,
                 .uart_offset    = 0x200,
         },
@@ -2892,6 +2917,12 @@ static struct pciserial_board pci_boards[] = {
                 .num_ports      = 2,
                 .base_baud      = 115200,
         },
+        [pbn_brcm_trumanage] = {
+                .flags          = FL_BASE0,
+                .num_ports      = 1,
+                .reg_shift      = 2,
+                .base_baud      = 115200,
+        },
 };
 
 static const struct pci_device_id blacklist[] = {
@@ -4471,6 +4502,13 @@ static struct pci_device_id serial_pci_tbl[] = {
                 pbn_omegapci },
 
         /*
+         * Broadcom TruManage
+         */
+        {       PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BROADCOM_TRUMANAGE,
+                PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+                pbn_brcm_trumanage },
+
+        /*
          * AgeStar as-prs2-009
          */
         {       PCI_VENDOR_ID_AGESTAR, PCI_DEVICE_ID_AGESTAR_9375,
diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 675d94ab0aff..8cb6d8d66a13 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -637,6 +637,7 @@ static void ifx_port_shutdown(struct tty_port *port)
 
         clear_bit(IFX_SPI_STATE_IO_AVAILABLE, &ifx_dev->flags);
         mrdy_set_low(ifx_dev);
+        del_timer(&ifx_dev->spi_timer);
         clear_bit(IFX_SPI_STATE_TIMER_PENDING, &ifx_dev->flags);
         tasklet_kill(&ifx_dev->io_work_tasklet);
 }
@@ -810,7 +811,8 @@ static void ifx_spi_io(unsigned long data)
                 ifx_dev->spi_xfer.cs_change = 0;
                 ifx_dev->spi_xfer.speed_hz = ifx_dev->spi_dev->max_speed_hz;
                 /* ifx_dev->spi_xfer.speed_hz = 390625; */
-                ifx_dev->spi_xfer.bits_per_word = spi_bpw;
+                ifx_dev->spi_xfer.bits_per_word =
+                        ifx_dev->spi_dev->bits_per_word;
 
                 ifx_dev->spi_xfer.tx_buf = ifx_dev->tx_buffer;
                 ifx_dev->spi_xfer.rx_buf = ifx_dev->rx_buffer;
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 6db23b035efe..e55615eb34ad 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -253,7 +253,7 @@ static void mxs_auart_tx_chars(struct mxs_auart_port *s)
         struct circ_buf *xmit = &s->port.state->xmit;
 
         if (auart_dma_enabled(s)) {
-                int i = 0;
+                u32 i = 0;
                 int size;
                 void *buffer = s->tx_dma_buf;
 
@@ -412,10 +412,12 @@ static void mxs_auart_set_mctrl(struct uart_port *u, unsigned mctrl)
 
         u32 ctrl = readl(u->membase + AUART_CTRL2);
 
-        ctrl &= ~AUART_CTRL2_RTSEN;
+        ctrl &= ~(AUART_CTRL2_RTSEN | AUART_CTRL2_RTS);
         if (mctrl & TIOCM_RTS) {
                 if (tty_port_cts_enabled(&u->state->port))
                         ctrl |= AUART_CTRL2_RTSEN;
+                else
+                        ctrl |= AUART_CTRL2_RTS;
         }
 
         s->ctrl = mctrl;
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 12e5249d053e..e514b3a4dc57 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1006,7 +1006,6 @@ static void s3c24xx_serial_resetport(struct uart_port *port,
 
         ucon &= ucon_mask;
         wr_regl(port, S3C2410_UCON,  ucon | cfg->ucon);
-        wr_regl(port, S3C2410_ULCON, cfg->ulcon);
 
         /* reset both fifos */
         wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH);
diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c
index 8fd181436a6b..d5ed9f613005 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c
@@ -604,7 +604,7 @@ static int vt8500_serial_probe(struct platform_device *pdev)
         vt8500_port->uart.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF;
 
         vt8500_port->clk = of_clk_get(pdev->dev.of_node, 0);
-        if (vt8500_port->clk) {
+        if (!IS_ERR(vt8500_port->clk)) {
                 vt8500_port->uart.uartclk = clk_get_rate(vt8500_port->clk);
         } else {
                 /* use the default of 24Mhz if not specified and warn */
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 2e43b332aae8..2fdd767f8fe8 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1605,6 +1605,7 @@ static int dwc3_gadget_init_endpoints(struct dwc3 *dwc)
 
                 if (epnum == 0 || epnum == 1) {
                         dep->endpoint.maxpacket = 512;
+                        dep->endpoint.maxburst = 1;
                         dep->endpoint.ops = &dwc3_gadget_ep0_ops;
                         if (!epnum)
                                 dwc->gadget.ep0 = &dep->endpoint;
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 4a6961c517f2..8c2f25121149 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1153,15 +1153,15 @@ static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts)
                                         pr_err("%s: unmapped value: %lu\n", opts, value);
                                         return -EINVAL;
                                 }
-                        }
-                        else if (!memcmp(opts, "gid", 3))
+                        } else if (!memcmp(opts, "gid", 3)) {
                                 data->perms.gid = make_kgid(current_user_ns(), value);
                                 if (!gid_valid(data->perms.gid)) {
                                         pr_err("%s: unmapped value: %lu\n", opts, value);
                                         return -EINVAL;
                                 }
-                        else
+                        } else {
                                 goto invalid;
+                        }
                         break;
 
                 default:
diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c
index 1b0f086426bd..d3bd7b095ba3 100644
--- a/drivers/usb/gadget/fsl_mxc_udc.c
+++ b/drivers/usb/gadget/fsl_mxc_udc.c
@@ -18,14 +18,13 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 
-#include <mach/hardware.h>
-
 static struct clk *mxc_ahb_clk;
 static struct clk *mxc_per_clk;
 static struct clk *mxc_ipg_clk;
 
 /* workaround ENGcm09152 for i.MX35 */
-#define USBPHYCTRL_OTGBASE_OFFSET       0x608
+#define MX35_USBPHYCTRL_OFFSET          0x600
+#define USBPHYCTRL_OTGBASE_OFFSET       0x8
 #define USBPHYCTRL_EVDO                 (1 << 23)
 
 int fsl_udc_clk_init(struct platform_device *pdev)
@@ -59,7 +58,7 @@ int fsl_udc_clk_init(struct platform_device *pdev)
         clk_prepare_enable(mxc_per_clk);
 
         /* make sure USB_CLK is running at 60 MHz +/- 1000 Hz */
-        if (!cpu_is_mx51()) {
+        if (!strcmp(pdev->id_entry->name, "imx-udc-mx27")) {
                 freq = clk_get_rate(mxc_per_clk);
                 if (pdata->phy_mode != FSL_USB2_PHY_ULPI &&
                     (freq < 59999000 || freq > 60001000)) {
@@ -79,27 +78,40 @@ eclkrate:
         return ret;
 }
 
-void fsl_udc_clk_finalize(struct platform_device *pdev)
+int fsl_udc_clk_finalize(struct platform_device *pdev)
 {
         struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
-        if (cpu_is_mx35()) {
-                unsigned int v;
+        int ret = 0;
 
-                /* workaround ENGcm09152 for i.MX35 */
-                if (pdata->workaround & FLS_USB2_WORKAROUND_ENGCM09152) {
-                        v = readl(MX35_IO_ADDRESS(MX35_USB_BASE_ADDR +
-                                        USBPHYCTRL_OTGBASE_OFFSET));
-                        writel(v | USBPHYCTRL_EVDO,
-                                MX35_IO_ADDRESS(MX35_USB_BASE_ADDR +
-                                        USBPHYCTRL_OTGBASE_OFFSET));
+        /* workaround ENGcm09152 for i.MX35 */
+        if (pdata->workaround & FLS_USB2_WORKAROUND_ENGCM09152) {
+                unsigned int v;
+                struct resource *res = platform_get_resource
+                        (pdev, IORESOURCE_MEM, 0);
+                void __iomem *phy_regs = ioremap(res->start +
+                                                MX35_USBPHYCTRL_OFFSET, 512);
+                if (!phy_regs) {
+                        dev_err(&pdev->dev, "ioremap for phy address fails\n");
+                        ret = -EINVAL;
+                        goto ioremap_err;
                 }
+
+                v = readl(phy_regs + USBPHYCTRL_OTGBASE_OFFSET);
+                writel(v | USBPHYCTRL_EVDO,
+                        phy_regs + USBPHYCTRL_OTGBASE_OFFSET);
+
+                iounmap(phy_regs);
         }
 
+
+ioremap_err:
         /* ULPI transceivers don't need usbpll */
         if (pdata->phy_mode == FSL_USB2_PHY_ULPI) {
                 clk_disable_unprepare(mxc_per_clk);
                 mxc_per_clk = NULL;
         }
+
+        return ret;
 }
 
 void fsl_udc_clk_release(void)
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index c19f7f13790b..667275cb7bad 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -41,6 +41,7 @@
 #include <linux/fsl_devices.h>
 #include <linux/dmapool.h>
 #include <linux/delay.h>
+#include <linux/of_device.h>
 
 #include <asm/byteorder.h>
 #include <asm/io.h>
@@ -2438,11 +2439,6 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
         unsigned int i;
         u32 dccparams;
 
-        if (strcmp(pdev->name, driver_name)) {
-                VDBG("Wrong device");
-                return -ENODEV;
-        }
-
         udc_controller = kzalloc(sizeof(struct fsl_udc), GFP_KERNEL);
         if (udc_controller == NULL) {
                 ERR("malloc udc failed\n");
@@ -2547,7 +2543,9 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
                 dr_controller_setup(udc_controller);
         }
 
-        fsl_udc_clk_finalize(pdev);
+        ret = fsl_udc_clk_finalize(pdev);
+        if (ret)
+                goto err_free_irq;
 
         /* Setup gadget structure */
         udc_controller->gadget.ops = &fsl_gadget_ops;
@@ -2756,22 +2754,32 @@ static int fsl_udc_otg_resume(struct device *dev)
 
         return fsl_udc_resume(NULL);
 }
-
 /*-------------------------------------------------------------------------
         Register entry point for the peripheral controller driver
 --------------------------------------------------------------------------*/
-
+static const struct platform_device_id fsl_udc_devtype[] = {
+        {
+                .name = "imx-udc-mx27",
+        }, {
+                .name = "imx-udc-mx51",
+        }, {
+                /* sentinel */
+        }
+};
+MODULE_DEVICE_TABLE(platform, fsl_udc_devtype);
 static struct platform_driver udc_driver = {
-        .remove  = __exit_p(fsl_udc_remove),
+        .remove         = __exit_p(fsl_udc_remove),
+        /* Just for FSL i.mx SoC currently */
+        .id_table       = fsl_udc_devtype,
         /* these suspend and resume are not usb suspend and resume */
-        .suspend = fsl_udc_suspend,
-        .resume  = fsl_udc_resume,
-        .driver  = {
-                .name = (char *)driver_name,
-                .owner = THIS_MODULE,
-                /* udc suspend/resume called from OTG driver */
-                .suspend = fsl_udc_otg_suspend,
-                .resume  = fsl_udc_otg_resume,
+        .suspend        = fsl_udc_suspend,
+        .resume         = fsl_udc_resume,
+        .driver         = {
+                        .name = (char *)driver_name,
+                        .owner = THIS_MODULE,
+                        /* udc suspend/resume called from OTG driver */
+                        .suspend = fsl_udc_otg_suspend,
+                        .resume  = fsl_udc_otg_resume,
         },
 };
 
diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h
index f61a967f7082..c6703bb07b23 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/fsl_usb2_udc.h
@@ -592,15 +592,16 @@ static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep)
 struct platform_device;
 #ifdef CONFIG_ARCH_MXC
 int fsl_udc_clk_init(struct platform_device *pdev);
-void fsl_udc_clk_finalize(struct platform_device *pdev);
+int fsl_udc_clk_finalize(struct platform_device *pdev);
 void fsl_udc_clk_release(void);
 #else
 static inline int fsl_udc_clk_init(struct platform_device *pdev)
 {
         return 0;
 }
-static inline void fsl_udc_clk_finalize(struct platform_device *pdev)
+static inline int fsl_udc_clk_finalize(struct platform_device *pdev)
 {
+        return 0;
 }
 static inline void fsl_udc_clk_release(void)
 {
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index d6bb128ce21e..3a21c5d683c0 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -148,7 +148,7 @@ config USB_EHCI_FSL
           Variation of ARC USB block used in some Freescale chips.
 
 config USB_EHCI_MXC
-        bool "Support for Freescale i.MX on-chip EHCI USB controller"
+        tristate "Support for Freescale i.MX on-chip EHCI USB controller"
         depends on USB_EHCI_HCD && ARCH_MXC
         select USB_EHCI_ROOT_HUB_TT
         ---help---
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 1eb4c3006e9e..001fbff2fdef 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_PCI)		+= pci-quirks.o
 obj-$(CONFIG_USB_EHCI_HCD)      += ehci-hcd.o
 obj-$(CONFIG_USB_EHCI_PCI)      += ehci-pci.o
 obj-$(CONFIG_USB_EHCI_HCD_PLATFORM)     += ehci-platform.o
+obj-$(CONFIG_USB_EHCI_MXC)      += ehci-mxc.o
 
 obj-$(CONFIG_USB_OXU210HP_HCD)  += oxu210hp-hcd.o
 obj-$(CONFIG_USB_ISP116X_HCD)   += isp116x-hcd.o
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index c97503bb0b0e..09537b2f1002 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -74,10 +74,6 @@ static const char	hcd_name [] = "ehci_hcd";
 #undef VERBOSE_DEBUG
 #undef EHCI_URB_TRACE
 
-#ifdef DEBUG
-#define EHCI_STATS
-#endif
-
 /* magic numbers that can affect system performance */
 #define EHCI_TUNE_CERR          3       /* 0-3 qtd retries; 0 == don't stop */
 #define EHCI_TUNE_RL_HS         4       /* nak throttle; see 4.9 */
@@ -1250,11 +1246,6 @@ MODULE_LICENSE ("GPL");
 #define PLATFORM_DRIVER         ehci_fsl_driver
 #endif
 
-#ifdef CONFIG_USB_EHCI_MXC
-#include "ehci-mxc.c"
-#define PLATFORM_DRIVER         ehci_mxc_driver
-#endif
-
 #ifdef CONFIG_USB_EHCI_SH
 #include "ehci-sh.c"
 #define PLATFORM_DRIVER         ehci_hcd_sh_driver
@@ -1352,7 +1343,8 @@ MODULE_LICENSE ("GPL");
 
 #if !IS_ENABLED(CONFIG_USB_EHCI_PCI) && \
         !IS_ENABLED(CONFIG_USB_EHCI_HCD_PLATFORM) && \
-        !defined(CONFIG_USB_CHIPIDEA_HOST) && \
+        !IS_ENABLED(CONFIG_USB_CHIPIDEA_HOST) && \
+        !IS_ENABLED(CONFIG_USB_EHCI_MXC) && \
         !defined(PLATFORM_DRIVER) && \
         !defined(PS3_SYSTEM_BUS_DRIVER) && \
         !defined(OF_PLATFORM_DRIVER) && \
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index ec7f5d2c90de..dedb80bb8d40 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -17,75 +17,38 @@
  * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
 #include <linux/slab.h>
+#include <linux/usb.h>
+#include <linux/usb/hcd.h>
 
 #include <linux/platform_data/usb-ehci-mxc.h>
 
 #include <asm/mach-types.h>
 
+#include "ehci.h"
+
+#define DRIVER_DESC "Freescale On-Chip EHCI Host driver"
+
+static const char hcd_name[] = "ehci-mxc";
+
 #define ULPI_VIEWPORT_OFFSET    0x170
 
 struct ehci_mxc_priv {
         struct clk *usbclk, *ahbclk, *phyclk;
-        struct usb_hcd *hcd;
 };
 
-/* called during probe() after chip reset completes */
-static int ehci_mxc_setup(struct usb_hcd *hcd)
-{
-        hcd->has_tt = 1;
-
-        return ehci_setup(hcd);
-}
+static struct hc_driver __read_mostly ehci_mxc_hc_driver;
 
-static const struct hc_driver ehci_mxc_hc_driver = {
-        .description = hcd_name,
-        .product_desc = "Freescale On-Chip EHCI Host Controller",
-        .hcd_priv_size = sizeof(struct ehci_hcd),
-
-        /*
-         * generic hardware linkage
-         */
-        .irq = ehci_irq,
-        .flags = HCD_USB2 | HCD_MEMORY,
-
-        /*
-         * basic lifecycle operations
-         */
-        .reset = ehci_mxc_setup,
-        .start = ehci_run,
-        .stop = ehci_stop,
-        .shutdown = ehci_shutdown,
-
-        /*
-         * managing i/o requests and associated device resources
-         */
-        .urb_enqueue = ehci_urb_enqueue,
-        .urb_dequeue = ehci_urb_dequeue,
-        .endpoint_disable = ehci_endpoint_disable,
-        .endpoint_reset = ehci_endpoint_reset,
-
-        /*
-         * scheduling support
-         */
-        .get_frame_number = ehci_get_frame,
-
-        /*
-         * root hub support
-         */
-        .hub_status_data = ehci_hub_status_data,
-        .hub_control = ehci_hub_control,
-        .bus_suspend = ehci_bus_suspend,
-        .bus_resume = ehci_bus_resume,
-        .relinquish_port = ehci_relinquish_port,
-        .port_handed_over = ehci_port_handed_over,
-
-        .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
+static const struct ehci_driver_overrides ehci_mxc_overrides __initdata = {
+        .extra_priv_size =      sizeof(struct ehci_mxc_priv),
 };
 
 static int ehci_mxc_drv_probe(struct platform_device *pdev)
@@ -112,12 +75,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
         if (!hcd)
                 return -ENOMEM;
 
-        priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
-        if (!priv) {
-                ret = -ENOMEM;
-                goto err_alloc;
-        }
-
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (!res) {
                 dev_err(dev, "Found HC with no register addr. Check setup!\n");
@@ -135,6 +92,10 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
                 goto err_alloc;
         }
 
+        hcd->has_tt = 1;
+        ehci = hcd_to_ehci(hcd);
+        priv = (struct ehci_mxc_priv *) ehci->priv;
+
         /* enable clocks */
         priv->usbclk = devm_clk_get(&pdev->dev, "ipg");
         if (IS_ERR(priv->usbclk)) {
@@ -169,8 +130,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
                 mdelay(10);
         }
 
-        ehci = hcd_to_ehci(hcd);
-
         /* EHCI registers start at offset 0x100 */
         ehci->caps = hcd->regs + 0x100;
         ehci->regs = hcd->regs + 0x100 +
@@ -198,8 +157,7 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
                 }
         }
 
-        priv->hcd = hcd;
-        platform_set_drvdata(pdev, priv);
+        platform_set_drvdata(pdev, hcd);
 
         ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
         if (ret)
@@ -244,8 +202,11 @@ err_alloc:
 static int __exit ehci_mxc_drv_remove(struct platform_device *pdev)
 {
         struct mxc_usbh_platform_data *pdata = pdev->dev.platform_data;
-        struct ehci_mxc_priv *priv = platform_get_drvdata(pdev);
-        struct usb_hcd *hcd = priv->hcd;
+        struct usb_hcd *hcd = platform_get_drvdata(pdev);
+        struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+        struct ehci_mxc_priv *priv = (struct ehci_mxc_priv *) ehci->priv;
+
+        usb_remove_hcd(hcd);
 
         if (pdata && pdata->exit)
                 pdata->exit(pdev);
@@ -253,23 +214,20 @@ static int __exit ehci_mxc_drv_remove(struct platform_device *pdev)
         if (pdata->otg)
                 usb_phy_shutdown(pdata->otg);
 
-        usb_remove_hcd(hcd);
-        usb_put_hcd(hcd);
-        platform_set_drvdata(pdev, NULL);
-
         clk_disable_unprepare(priv->usbclk);
         clk_disable_unprepare(priv->ahbclk);
 
         if (priv->phyclk)
                 clk_disable_unprepare(priv->phyclk);
 
+        usb_put_hcd(hcd);
+        platform_set_drvdata(pdev, NULL);
         return 0;
 }
 
 static void ehci_mxc_drv_shutdown(struct platform_device *pdev)
 {
-        struct ehci_mxc_priv *priv = platform_get_drvdata(pdev);
-        struct usb_hcd *hcd = priv->hcd;
+        struct usb_hcd *hcd = platform_get_drvdata(pdev);
 
         if (hcd->driver->shutdown)
                 hcd->driver->shutdown(hcd);
@@ -279,9 +237,31 @@ MODULE_ALIAS("platform:mxc-ehci");
 
 static struct platform_driver ehci_mxc_driver = {
         .probe = ehci_mxc_drv_probe,
-        .remove = __exit_p(ehci_mxc_drv_remove),
+        .remove = ehci_mxc_drv_remove,
         .shutdown = ehci_mxc_drv_shutdown,
         .driver = {
                    .name = "mxc-ehci",
         },
 };
+
+static int __init ehci_mxc_init(void)
+{
+        if (usb_disabled())
+                return -ENODEV;
+
+        pr_info("%s: " DRIVER_DESC "\n", hcd_name);
+
+        ehci_init_driver(&ehci_mxc_hc_driver, &ehci_mxc_overrides);
+        return platform_driver_register(&ehci_mxc_driver);
+}
+module_init(ehci_mxc_init);
+
+static void __exit ehci_mxc_cleanup(void)
+{
+        platform_driver_unregister(&ehci_mxc_driver);
+}
+module_exit(ehci_mxc_cleanup);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_AUTHOR("Sascha Hauer");
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 9dadc7118d68..36c3a8210595 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -38,6 +38,10 @@ typedef __u16 __bitwise __hc16;
 #endif
 
 /* statistics can be kept for tuning/monitoring */
+#ifdef DEBUG
+#define EHCI_STATS
+#endif
+
 struct ehci_stats {
         /* irq usage */
         unsigned long           normal;
@@ -221,6 +225,9 @@ struct ehci_hcd {			/* one per controller */
 #ifdef DEBUG
         struct dentry           *debug_dir;
 #endif
+
+        /* platform-specific data -- must come last */
+        unsigned long           priv[0] __aligned(sizeof(s64));
 };
 
 /* convert between an HCD pointer and the corresponding EHCI_HCD */
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 4b9e9aba2665..4f64d24eebc8 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -447,6 +447,10 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
                 return IRQ_NONE;
         uhci_writew(uhci, status, USBSTS);              /* Clear it */
 
+        spin_lock(&uhci->lock);
+        if (unlikely(!uhci->is_initialized))    /* not yet configured */
+                goto done;
+
         if (status & ~(USBSTS_USBINT | USBSTS_ERROR | USBSTS_RD)) {
                 if (status & USBSTS_HSE)
                         dev_err(uhci_dev(uhci), "host system error, "
@@ -455,7 +459,6 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
                         dev_err(uhci_dev(uhci), "host controller process "
                                         "error, something bad happened!\n");
                 if (status & USBSTS_HCH) {
-                        spin_lock(&uhci->lock);
                         if (uhci->rh_state >= UHCI_RH_RUNNING) {
                                 dev_err(uhci_dev(uhci),
                                         "host controller halted, "
@@ -473,15 +476,15 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
                                  * pending unlinks */
                                 mod_timer(&hcd->rh_timer, jiffies);
                         }
-                        spin_unlock(&uhci->lock);
                 }
         }
 
-        if (status & USBSTS_RD)
+        if (status & USBSTS_RD) {
+                spin_unlock(&uhci->lock);
                 usb_hcd_poll_rh_status(hcd);
-        else {
-                spin_lock(&uhci->lock);
+        } else {
                 uhci_scan_schedule(uhci);
+ done:
                 spin_unlock(&uhci->lock);
         }
 
@@ -662,9 +665,9 @@ static int uhci_start(struct usb_hcd *hcd)
          */
         mb();
 
+        spin_lock_irq(&uhci->lock);
         configure_hc(uhci);
         uhci->is_initialized = 1;
-        spin_lock_irq(&uhci->lock);
         start_rh(uhci);
         spin_unlock_irq(&uhci->lock);
         return 0;
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index 0968dd7a859d..f522000e8f06 100644
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -105,7 +105,7 @@ static void cppi_reset_tx(struct cppi_tx_stateram __iomem *tx, u32 ptr)
         musb_writel(&tx->tx_complete, 0, ptr);
 }
 
-static void __init cppi_pool_init(struct cppi *cppi, struct cppi_channel *c)
+static void cppi_pool_init(struct cppi *cppi, struct cppi_channel *c)
 {
         int     j;
 
@@ -150,7 +150,7 @@ static void cppi_pool_free(struct cppi_channel *c)
         c->last_processed = NULL;
 }
 
-static int __init cppi_controller_start(struct dma_controller *c)
+static int cppi_controller_start(struct dma_controller *c)
 {
         struct cppi     *controller;
         void __iomem    *tibase;
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index 58184f3de686..82afc4d6a327 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -530,6 +530,9 @@ static void chase_port(struct edgeport_port *port, unsigned long timeout,
         wait_queue_t wait;
         unsigned long flags;
 
+        if (!tty)
+                return;
+
         if (!timeout)
                 timeout = (HZ * EDGE_CLOSING_WAIT)/100;
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 478adcfcdf26..0d9dac9e7f93 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -449,6 +449,10 @@ static void option_instat_callback(struct urb *urb);
 #define PETATEL_VENDOR_ID                       0x1ff4
 #define PETATEL_PRODUCT_NP10T                   0x600e
 
+/* TP-LINK Incorporated products */
+#define TPLINK_VENDOR_ID                        0x2357
+#define TPLINK_PRODUCT_MA180                    0x0201
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
                 OPTION_BLACKLIST_NONE = 0,
@@ -930,7 +934,8 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0254, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0257, 0xff, 0xff, 0xff), /* ZTE MF821 */
           .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
-        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff), /* ONDA MT8205 */
+          .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff), /* ZTE MF880 */
           .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0317, 0xff, 0xff, 0xff) },
@@ -1311,6 +1316,8 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) },
         { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
         { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T) },
+        { USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180),
+          .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
         { } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/vfio/pci/vfio_pci_rdwr.c b/drivers/vfio/pci/vfio_pci_rdwr.c
index 4362d9e7baa3..f72323ef618f 100644
--- a/drivers/vfio/pci/vfio_pci_rdwr.c
+++ b/drivers/vfio/pci/vfio_pci_rdwr.c
@@ -240,17 +240,17 @@ ssize_t vfio_pci_mem_readwrite(struct vfio_pci_device *vdev, char __user *buf,
                         filled = 1;
                 } else {
                         /* Drop writes, fill reads with FF */
+                        filled = min((size_t)(x_end - pos), count);
                         if (!iswrite) {
                                 char val = 0xFF;
                                 size_t i;
 
-                                for (i = 0; i < x_end - pos; i++) {
+                                for (i = 0; i < filled; i++) {
                                         if (put_user(val, buf + i))
                                                 goto out;
                                 }
                         }
 
-                        filled = x_end - pos;
                 }
 
                 count -= filled;
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/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
index 4dcfced107f5..084041d42c9a 100644
--- a/drivers/xen/cpu_hotplug.c
+++ b/drivers/xen/cpu_hotplug.c
@@ -25,10 +25,10 @@ static void disable_hotplug_cpu(int cpu)
 static int vcpu_online(unsigned int cpu)
 {
         int err;
-        char dir[32], state[32];
+        char dir[16], state[16];
 
         sprintf(dir, "cpu/%u", cpu);
-        err = xenbus_scanf(XBT_NIL, dir, "availability", "%s", state);
+        err = xenbus_scanf(XBT_NIL, dir, "availability", "%15s", state);
         if (err != 1) {
                 if (!xen_initial_domain())
                         printk(KERN_ERR "XENBUS: Unable to read cpu state\n");
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 2e22df2f7a3f..3c8803feba26 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -56,10 +56,15 @@ MODULE_PARM_DESC(limit, "Maximum number of grants that may be mapped by "
 static atomic_t pages_mapped = ATOMIC_INIT(0);
 
 static int use_ptemod;
+#define populate_freeable_maps use_ptemod
 
 struct gntdev_priv {
+        /* maps with visible offsets in the file descriptor */
         struct list_head maps;
-        /* lock protects maps from concurrent changes */
+        /* maps that are not visible; will be freed on munmap.
+         * Only populated if populate_freeable_maps == 1 */
+        struct list_head freeable_maps;
+        /* lock protects maps and freeable_maps */
         spinlock_t lock;
         struct mm_struct *mm;
         struct mmu_notifier mn;
@@ -193,7 +198,7 @@ static struct grant_map *gntdev_find_map_index(struct gntdev_priv *priv,
         return NULL;
 }
 
-static void gntdev_put_map(struct grant_map *map)
+static void gntdev_put_map(struct gntdev_priv *priv, struct grant_map *map)
 {
         if (!map)
                 return;
@@ -208,6 +213,12 @@ static void gntdev_put_map(struct grant_map *map)
                 evtchn_put(map->notify.event);
         }
 
+        if (populate_freeable_maps && priv) {
+                spin_lock(&priv->lock);
+                list_del(&map->next);
+                spin_unlock(&priv->lock);
+        }
+
         if (map->pages && !use_ptemod)
                 unmap_grant_pages(map, 0, map->count);
         gntdev_free_map(map);
@@ -301,17 +312,10 @@ static int __unmap_grant_pages(struct grant_map *map, int offset, int pages)
 
         if (map->notify.flags & UNMAP_NOTIFY_CLEAR_BYTE) {
                 int pgno = (map->notify.addr >> PAGE_SHIFT);
-                if (pgno >= offset && pgno < offset + pages && use_ptemod) {
-                        void __user *tmp = (void __user *)
-                                map->vma->vm_start + map->notify.addr;
-                        err = copy_to_user(tmp, &err, 1);
-                        if (err)
-                                return -EFAULT;
-                        map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE;
-                } else if (pgno >= offset && pgno < offset + pages) {
-                        uint8_t *tmp = kmap(map->pages[pgno]);
+                if (pgno >= offset && pgno < offset + pages) {
+                        /* No need for kmap, pages are in lowmem */
+                        uint8_t *tmp = pfn_to_kaddr(page_to_pfn(map->pages[pgno]));
                         tmp[map->notify.addr & (PAGE_SIZE-1)] = 0;
-                        kunmap(map->pages[pgno]);
                         map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE;
                 }
         }
@@ -376,11 +380,24 @@ static void gntdev_vma_open(struct vm_area_struct *vma)
 static void gntdev_vma_close(struct vm_area_struct *vma)
 {
         struct grant_map *map = vma->vm_private_data;
+        struct file *file = vma->vm_file;
+        struct gntdev_priv *priv = file->private_data;
 
         pr_debug("gntdev_vma_close %p\n", vma);
-        map->vma = NULL;
+        if (use_ptemod) {
+                /* It is possible that an mmu notifier could be running
+                 * concurrently, so take priv->lock to ensure that the vma won't
+                 * vanishing during the unmap_grant_pages call, since we will
+                 * spin here until that completes. Such a concurrent call will
+                 * not do any unmapping, since that has been done prior to
+                 * closing the vma, but it may still iterate the unmap_ops list.
+                 */
+                spin_lock(&priv->lock);
+                map->vma = NULL;
+                spin_unlock(&priv->lock);
+        }
         vma->vm_private_data = NULL;
-        gntdev_put_map(map);
+        gntdev_put_map(priv, map);
 }
 
 static struct vm_operations_struct gntdev_vmops = {
@@ -390,33 +407,43 @@ static struct vm_operations_struct gntdev_vmops = {
 
 /* ------------------------------------------------------------------ */
 
+static void unmap_if_in_range(struct grant_map *map,
+                              unsigned long start, unsigned long end)
+{
+        unsigned long mstart, mend;
+        int err;
+
+        if (!map->vma)
+                return;
+        if (map->vma->vm_start >= end)
+                return;
+        if (map->vma->vm_end <= start)
+                return;
+        mstart = max(start, map->vma->vm_start);
+        mend   = min(end,   map->vma->vm_end);
+        pr_debug("map %d+%d (%lx %lx), range %lx %lx, mrange %lx %lx\n",
+                        map->index, map->count,
+                        map->vma->vm_start, map->vma->vm_end,
+                        start, end, mstart, mend);
+        err = unmap_grant_pages(map,
+                                (mstart - map->vma->vm_start) >> PAGE_SHIFT,
+                                (mend - mstart) >> PAGE_SHIFT);
+        WARN_ON(err);
+}
+
 static void mn_invl_range_start(struct mmu_notifier *mn,
                                 struct mm_struct *mm,
                                 unsigned long start, unsigned long end)
 {
         struct gntdev_priv *priv = container_of(mn, struct gntdev_priv, mn);
         struct grant_map *map;
-        unsigned long mstart, mend;
-        int err;
 
         spin_lock(&priv->lock);
         list_for_each_entry(map, &priv->maps, next) {
-                if (!map->vma)
-                        continue;
-                if (map->vma->vm_start >= end)
-                        continue;
-                if (map->vma->vm_end <= start)
-                        continue;
-                mstart = max(start, map->vma->vm_start);
-                mend   = min(end,   map->vma->vm_end);
-                pr_debug("map %d+%d (%lx %lx), range %lx %lx, mrange %lx %lx\n",
-                                map->index, map->count,
-                                map->vma->vm_start, map->vma->vm_end,
-                                start, end, mstart, mend);
-                err = unmap_grant_pages(map,
-                                        (mstart - map->vma->vm_start) >> PAGE_SHIFT,
-                                        (mend - mstart) >> PAGE_SHIFT);
-                WARN_ON(err);
+                unmap_if_in_range(map, start, end);
+        }
+        list_for_each_entry(map, &priv->freeable_maps, next) {
+                unmap_if_in_range(map, start, end);
         }
         spin_unlock(&priv->lock);
 }
@@ -445,6 +472,15 @@ static void mn_release(struct mmu_notifier *mn,
                 err = unmap_grant_pages(map, /* offset */ 0, map->count);
                 WARN_ON(err);
         }
+        list_for_each_entry(map, &priv->freeable_maps, next) {
+                if (!map->vma)
+                        continue;
+                pr_debug("map %d+%d (%lx %lx)\n",
+                                map->index, map->count,
+                                map->vma->vm_start, map->vma->vm_end);
+                err = unmap_grant_pages(map, /* offset */ 0, map->count);
+                WARN_ON(err);
+        }
         spin_unlock(&priv->lock);
 }
 
@@ -466,6 +502,7 @@ static int gntdev_open(struct inode *inode, struct file *flip)
                 return -ENOMEM;
 
         INIT_LIST_HEAD(&priv->maps);
+        INIT_LIST_HEAD(&priv->freeable_maps);
         spin_lock_init(&priv->lock);
 
         if (use_ptemod) {
@@ -500,8 +537,9 @@ static int gntdev_release(struct inode *inode, struct file *flip)
         while (!list_empty(&priv->maps)) {
                 map = list_entry(priv->maps.next, struct grant_map, next);
                 list_del(&map->next);
-                gntdev_put_map(map);
+                gntdev_put_map(NULL /* already removed */, map);
         }
+        WARN_ON(!list_empty(&priv->freeable_maps));
 
         if (use_ptemod)
                 mmu_notifier_unregister(&priv->mn, priv->mm);
@@ -529,14 +567,14 @@ static long gntdev_ioctl_map_grant_ref(struct gntdev_priv *priv,
 
         if (unlikely(atomic_add_return(op.count, &pages_mapped) > limit)) {
                 pr_debug("can't map: over limit\n");
-                gntdev_put_map(map);
+                gntdev_put_map(NULL, map);
                 return err;
         }
 
         if (copy_from_user(map->grants, &u->refs,
                            sizeof(map->grants[0]) * op.count) != 0) {
-                gntdev_put_map(map);
-                return err;
+                gntdev_put_map(NULL, map);
+                return -EFAULT;
         }
 
         spin_lock(&priv->lock);
@@ -565,11 +603,13 @@ static long gntdev_ioctl_unmap_grant_ref(struct gntdev_priv *priv,
         map = gntdev_find_map_index(priv, op.index >> PAGE_SHIFT, op.count);
         if (map) {
                 list_del(&map->next);
+                if (populate_freeable_maps)
+                        list_add_tail(&map->next, &priv->freeable_maps);
                 err = 0;
         }
         spin_unlock(&priv->lock);
         if (map)
-                gntdev_put_map(map);
+                gntdev_put_map(priv, map);
         return err;
 }
 
@@ -579,25 +619,31 @@ static long gntdev_ioctl_get_offset_for_vaddr(struct gntdev_priv *priv,
         struct ioctl_gntdev_get_offset_for_vaddr op;
         struct vm_area_struct *vma;
         struct grant_map *map;
+        int rv = -EINVAL;
 
         if (copy_from_user(&op, u, sizeof(op)) != 0)
                 return -EFAULT;
         pr_debug("priv %p, offset for vaddr %lx\n", priv, (unsigned long)op.vaddr);
 
+        down_read(&current->mm->mmap_sem);
         vma = find_vma(current->mm, op.vaddr);
         if (!vma || vma->vm_ops != &gntdev_vmops)
-                return -EINVAL;
+                goto out_unlock;
 
         map = vma->vm_private_data;
         if (!map)
-                return -EINVAL;
+                goto out_unlock;
 
         op.offset = map->index << PAGE_SHIFT;
         op.count = map->count;
+        rv = 0;
 
-        if (copy_to_user(u, &op, sizeof(op)) != 0)
+ out_unlock:
+        up_read(&current->mm->mmap_sem);
+
+        if (rv == 0 && copy_to_user(u, &op, sizeof(op)) != 0)
                 return -EFAULT;
-        return 0;
+        return rv;
 }
 
 static long gntdev_ioctl_notify(struct gntdev_priv *priv, void __user *u)
@@ -778,7 +824,7 @@ out_unlock_put:
 out_put_map:
         if (use_ptemod)
                 map->vma = NULL;
-        gntdev_put_map(map);
+        gntdev_put_map(priv, map);
         return err;
 }
 
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index 7038de53652b..157c0ccda3ef 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -56,10 +56,6 @@
 /* External tools reserve first few grant table entries. */
 #define NR_RESERVED_ENTRIES 8
 #define GNTTAB_LIST_END 0xffffffff
-#define GREFS_PER_GRANT_FRAME \
-(grant_table_version == 1 ?                      \
-(PAGE_SIZE / sizeof(struct grant_entry_v1)) :   \
-(PAGE_SIZE / sizeof(union grant_entry_v2)))
 
 static grant_ref_t **gnttab_list;
 static unsigned int nr_grant_frames;
@@ -154,6 +150,7 @@ static struct gnttab_ops *gnttab_interface;
 static grant_status_t *grstatus;
 
 static int grant_table_version;
+static int grefs_per_grant_frame;
 
 static struct gnttab_free_callback *gnttab_free_callback_list;
 
@@ -767,12 +764,14 @@ static int grow_gnttab_list(unsigned int more_frames)
         unsigned int new_nr_grant_frames, extra_entries, i;
         unsigned int nr_glist_frames, new_nr_glist_frames;
 
+        BUG_ON(grefs_per_grant_frame == 0);
+
         new_nr_grant_frames = nr_grant_frames + more_frames;
-        extra_entries       = more_frames * GREFS_PER_GRANT_FRAME;
+        extra_entries       = more_frames * grefs_per_grant_frame;
 
-        nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
+        nr_glist_frames = (nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
         new_nr_glist_frames =
-                (new_nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
+                (new_nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
         for (i = nr_glist_frames; i < new_nr_glist_frames; i++) {
                 gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_ATOMIC);
                 if (!gnttab_list[i])
@@ -780,12 +779,12 @@ static int grow_gnttab_list(unsigned int more_frames)
         }
 
 
-        for (i = GREFS_PER_GRANT_FRAME * nr_grant_frames;
-             i < GREFS_PER_GRANT_FRAME * new_nr_grant_frames - 1; i++)
+        for (i = grefs_per_grant_frame * nr_grant_frames;
+             i < grefs_per_grant_frame * new_nr_grant_frames - 1; i++)
                 gnttab_entry(i) = i + 1;
 
         gnttab_entry(i) = gnttab_free_head;
-        gnttab_free_head = GREFS_PER_GRANT_FRAME * nr_grant_frames;
+        gnttab_free_head = grefs_per_grant_frame * nr_grant_frames;
         gnttab_free_count += extra_entries;
 
         nr_grant_frames = new_nr_grant_frames;
@@ -957,7 +956,8 @@ EXPORT_SYMBOL_GPL(gnttab_unmap_refs);
 
 static unsigned nr_status_frames(unsigned nr_grant_frames)
 {
-        return (nr_grant_frames * GREFS_PER_GRANT_FRAME + SPP - 1) / SPP;
+        BUG_ON(grefs_per_grant_frame == 0);
+        return (nr_grant_frames * grefs_per_grant_frame + SPP - 1) / SPP;
 }
 
 static int gnttab_map_frames_v1(xen_pfn_t *frames, unsigned int nr_gframes)
@@ -1115,6 +1115,7 @@ static void gnttab_request_version(void)
         rc = HYPERVISOR_grant_table_op(GNTTABOP_set_version, &gsv, 1);
         if (rc == 0 && gsv.version == 2) {
                 grant_table_version = 2;
+                grefs_per_grant_frame = PAGE_SIZE / sizeof(union grant_entry_v2);
                 gnttab_interface = &gnttab_v2_ops;
         } else if (grant_table_version == 2) {
                 /*
@@ -1127,17 +1128,17 @@ static void gnttab_request_version(void)
                 panic("we need grant tables version 2, but only version 1 is available");
         } else {
                 grant_table_version = 1;
+                grefs_per_grant_frame = PAGE_SIZE / sizeof(struct grant_entry_v1);
                 gnttab_interface = &gnttab_v1_ops;
         }
         printk(KERN_INFO "Grant tables using version %d layout.\n",
                 grant_table_version);
 }
 
-int gnttab_resume(void)
+static int gnttab_setup(void)
 {
         unsigned int max_nr_gframes;
 
-        gnttab_request_version();
         max_nr_gframes = gnttab_max_grant_frames();
         if (max_nr_gframes < nr_grant_frames)
                 return -ENOSYS;
@@ -1160,6 +1161,12 @@ int gnttab_resume(void)
         return 0;
 }
 
+int gnttab_resume(void)
+{
+        gnttab_request_version();
+        return gnttab_setup();
+}
+
 int gnttab_suspend(void)
 {
         gnttab_interface->unmap_frames();
@@ -1171,9 +1178,10 @@ static int gnttab_expand(unsigned int req_entries)
         int rc;
         unsigned int cur, extra;
 
+        BUG_ON(grefs_per_grant_frame == 0);
         cur = nr_grant_frames;
-        extra = ((req_entries + (GREFS_PER_GRANT_FRAME-1)) /
-                 GREFS_PER_GRANT_FRAME);
+        extra = ((req_entries + (grefs_per_grant_frame-1)) /
+                 grefs_per_grant_frame);
         if (cur + extra > gnttab_max_grant_frames())
                 return -ENOSPC;
 
@@ -1191,21 +1199,23 @@ int gnttab_init(void)
         unsigned int nr_init_grefs;
         int ret;
 
+        gnttab_request_version();
         nr_grant_frames = 1;
         boot_max_nr_grant_frames = __max_nr_grant_frames();
 
         /* Determine the maximum number of frames required for the
          * grant reference free list on the current hypervisor.
          */
+        BUG_ON(grefs_per_grant_frame == 0);
         max_nr_glist_frames = (boot_max_nr_grant_frames *
-                               GREFS_PER_GRANT_FRAME / RPP);
+                               grefs_per_grant_frame / RPP);
 
         gnttab_list = kmalloc(max_nr_glist_frames * sizeof(grant_ref_t *),
                               GFP_KERNEL);
         if (gnttab_list == NULL)
                 return -ENOMEM;
 
-        nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
+        nr_glist_frames = (nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
         for (i = 0; i < nr_glist_frames; i++) {
                 gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_KERNEL);
                 if (gnttab_list[i] == NULL) {
@@ -1214,12 +1224,12 @@ int gnttab_init(void)
                 }
         }
 
-        if (gnttab_resume() < 0) {
+        if (gnttab_setup() < 0) {
                 ret = -ENODEV;
                 goto ini_nomem;
         }
 
-        nr_init_grefs = nr_grant_frames * GREFS_PER_GRANT_FRAME;
+        nr_init_grefs = nr_grant_frames * grefs_per_grant_frame;
 
         for (i = NR_RESERVED_ENTRIES; i < nr_init_grefs - 1; i++)
                 gnttab_entry(i) = i + 1;
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 0bbbccbb1f12..ca2b00e9d558 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -199,9 +199,6 @@ static long privcmd_ioctl_mmap(void __user *udata)
         LIST_HEAD(pagelist);
         struct mmap_mfn_state state;
 
-        if (!xen_initial_domain())
-                return -EPERM;
-
         /* We only support privcmd_ioctl_mmap_batch for auto translated. */
         if (xen_feature(XENFEAT_auto_translated_physmap))
                 return -ENOSYS;
@@ -261,11 +258,12 @@ struct mmap_batch_state {
          *      -ENOENT if at least 1 -ENOENT has happened.
          */
         int global_error;
-        /* An array for individual errors */
-        int *err;
+        int version;
 
         /* User-space mfn array to store errors in the second pass for V1. */
         xen_pfn_t __user *user_mfn;
+        /* User-space int array to store errors in the second pass for V2. */
+        int __user *user_err;
 };
 
 /* auto translated dom0 note: if domU being created is PV, then mfn is
@@ -288,7 +286,19 @@ static int mmap_batch_fn(void *data, void *state)
                                          &cur_page);
 
         /* Store error code for second pass. */
-        *(st->err++) = ret;
+        if (st->version == 1) {
+                if (ret < 0) {
+                        /*
+                         * V1 encodes the error codes in the 32bit top nibble of the
+                         * mfn (with its known limitations vis-a-vis 64 bit callers).
+                         */
+                        *mfnp |= (ret == -ENOENT) ?
+                                                PRIVCMD_MMAPBATCH_PAGED_ERROR :
+                                                PRIVCMD_MMAPBATCH_MFN_ERROR;
+                }
+        } else { /* st->version == 2 */
+                *((int *) mfnp) = ret;
+        }
 
         /* And see if it affects the global_error. */
         if (ret < 0) {
@@ -305,20 +315,25 @@ static int mmap_batch_fn(void *data, void *state)
         return 0;
 }
 
-static int mmap_return_errors_v1(void *data, void *state)
+static int mmap_return_errors(void *data, void *state)
 {
-        xen_pfn_t *mfnp = data;
         struct mmap_batch_state *st = state;
-        int err = *(st->err++);
 
-        /*
-         * V1 encodes the error codes in the 32bit top nibble of the
-         * mfn (with its known limitations vis-a-vis 64 bit callers).
-         */
-        *mfnp |= (err == -ENOENT) ?
-                                PRIVCMD_MMAPBATCH_PAGED_ERROR :
-                                PRIVCMD_MMAPBATCH_MFN_ERROR;
-        return __put_user(*mfnp, st->user_mfn++);
+        if (st->version == 1) {
+                xen_pfn_t mfnp = *((xen_pfn_t *) data);
+                if (mfnp & PRIVCMD_MMAPBATCH_MFN_ERROR)
+                        return __put_user(mfnp, st->user_mfn++);
+                else
+                        st->user_mfn++;
+        } else { /* st->version == 2 */
+                int err = *((int *) data);
+                if (err)
+                        return __put_user(err, st->user_err++);
+                else
+                        st->user_err++;
+        }
+
+        return 0;
 }
 
 /* Allocate pfns that are then mapped with gmfns from foreign domid. Update
@@ -357,12 +372,8 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version)
         struct vm_area_struct *vma;
         unsigned long nr_pages;
         LIST_HEAD(pagelist);
-        int *err_array = NULL;
         struct mmap_batch_state state;
 
-        if (!xen_initial_domain())
-                return -EPERM;
-
         switch (version) {
         case 1:
                 if (copy_from_user(&m, udata, sizeof(struct privcmd_mmapbatch)))
@@ -396,10 +407,12 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version)
                 goto out;
         }
 
-        err_array = kcalloc(m.num, sizeof(int), GFP_KERNEL);
-        if (err_array == NULL) {
-                ret = -ENOMEM;
-                goto out;
+        if (version == 2) {
+                /* Zero error array now to only copy back actual errors. */
+                if (clear_user(m.err, sizeof(int) * m.num)) {
+                        ret = -EFAULT;
+                        goto out;
+                }
         }
 
         down_write(&mm->mmap_sem);
@@ -427,7 +440,7 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version)
         state.va            = m.addr;
         state.index         = 0;
         state.global_error  = 0;
-        state.err           = err_array;
+        state.version       = version;
 
         /* mmap_batch_fn guarantees ret == 0 */
         BUG_ON(traverse_pages(m.num, sizeof(xen_pfn_t),
@@ -435,21 +448,14 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version)
 
         up_write(&mm->mmap_sem);
 
-        if (version == 1) {
-                if (state.global_error) {
-                        /* Write back errors in second pass. */
-                        state.user_mfn = (xen_pfn_t *)m.arr;
-                        state.err      = err_array;
-                        ret = traverse_pages(m.num, sizeof(xen_pfn_t),
-                                             &pagelist, mmap_return_errors_v1, &state);
-                } else
-                        ret = 0;
-
-        } else if (version == 2) {
-                ret = __copy_to_user(m.err, err_array, m.num * sizeof(int));
-                if (ret)
-                        ret = -EFAULT;
-        }
+        if (state.global_error) {
+                /* Write back errors in second pass. */
+                state.user_mfn = (xen_pfn_t *)m.arr;
+                state.user_err = m.err;
+                ret = traverse_pages(m.num, sizeof(xen_pfn_t),
+                                                         &pagelist, mmap_return_errors, &state);
+        } else
+                ret = 0;
 
         /* If we have not had any EFAULT-like global errors then set the global
          * error to -ENOENT if necessary. */
@@ -457,7 +463,6 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version)
                 ret = -ENOENT;
 
 out:
-        kfree(err_array);
         free_page_list(&pagelist);
 
         return ret;
diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h
index a7def010eba3..f72af87640e0 100644
--- a/drivers/xen/xen-pciback/pciback.h
+++ b/drivers/xen/xen-pciback/pciback.h
@@ -124,7 +124,7 @@ static inline int xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev,
 static inline void xen_pcibk_release_pci_dev(struct xen_pcibk_device *pdev,
                                              struct pci_dev *dev)
 {
-        if (xen_pcibk_backend && xen_pcibk_backend->free)
+        if (xen_pcibk_backend && xen_pcibk_backend->release)
                 return xen_pcibk_backend->release(pdev, dev);
 }
 
diff --git a/fs/Kconfig b/fs/Kconfig
index cfe512fd1caf..780725a463b1 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -68,16 +68,6 @@ source "fs/quota/Kconfig"
 source "fs/autofs4/Kconfig"
 source "fs/fuse/Kconfig"
 
-config CUSE
-        tristate "Character device in Userspace support"
-        depends on FUSE_FS
-        help
-          This FUSE extension allows character devices to be
-          implemented in userspace.
-
-          If you want to develop or use userspace character device
-          based on CUSE, answer Y or M.
-
 config GENERIC_ACL
         bool
         select FS_POSIX_ACL
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 ||
-                    offset < ordered->file_offset)) {
+                if (offset >= ordered->file_offset + ordered->len ||
+                    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;
-                                free_extent_map(em);
-                                break;
+                                if (!test_bit(EXTENT_FLAG_PREALLOC,
+                                              &em->flags)) {
+                                        *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
-                         * block group.  So it is possible the entry won't
-                         * be in the rbtree yet at all.  The caching code
-                         * will make sure not to put it in the rbtree if
-                         * the logging code has pinned it.
+                        /*
+                         * If we found a partial bit of our free space in a
+                         * bitmap but then couldn't find the other part this may
+                         * be a problem, so WARN about 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
-                 * actually be delalloc bytes behind it
+                 * if our em maps to
+                 * -  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)) {
-                binode = list_entry(head->next, struct btrfs_inode,
+        list_splice_init(&root->fs_info->delalloc_inodes, &splice);
+        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);
-                        if (!work) {
-                                ret = -ENOMEM;
-                                goto out;
-                        }
-                        list_add_tail(&work->list, &works);
-                        btrfs_queue_worker(&root->fs_info->flush_workers,
-                                           &work->work);
+
+                work = btrfs_alloc_delalloc_work(inode, 0, delay_iput);
+                if (unlikely(!work)) {
+                        ret = -ENOMEM;
+                        goto out;
                 }
+                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))
-                return -EROFS;
+        ret = mnt_want_write_file(file);
+        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) {
-                atomic_set(&root->fs_info->mutually_exclusive_operation_running,
-                           0);
-                return ret;
+
+        if (btrfs_root_readonly(root)) {
+                ret = -EROFS;
+                goto out;
         }
 
         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,
-                        1)) {
-                pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n");
+        if (fs_info->balance_ctl) {
                 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
-         * restriper was paused all the way until unmount
+         * Ownership of bctl and mutually_exclusive_operation_running
+         * 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:
-        if (need_to_clear_lock)
-                atomic_set(&root->fs_info->mutually_exclusive_operation_running,
-                           0);
+out_unlock:
         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/f2fs/acl.c b/fs/f2fs/acl.c
index e95b94945d5f..137af4255da6 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -191,15 +191,14 @@ struct posix_acl *f2fs_get_acl(struct inode *inode, int type)
                 retval = f2fs_getxattr(inode, name_index, "", value, retval);
         }
 
-        if (retval < 0) {
-                if (retval == -ENODATA)
-                        acl = NULL;
-                else
-                        acl = ERR_PTR(retval);
-        } else {
+        if (retval > 0)
                 acl = f2fs_acl_from_disk(value, retval);
-        }
+        else if (retval == -ENODATA)
+                acl = NULL;
+        else
+                acl = ERR_PTR(retval);
         kfree(value);
+
         if (!IS_ERR(acl))
                 set_cached_acl(inode, type, acl);
 
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 6ef36c37e2be..ff3c8439af87 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -214,7 +214,6 @@ retry:
                 goto retry;
         }
         new->ino = ino;
-        INIT_LIST_HEAD(&new->list);
 
         /* add new_oentry into list which is sorted by inode number */
         if (orphan) {
@@ -772,7 +771,7 @@ void init_orphan_info(struct f2fs_sb_info *sbi)
         sbi->n_orphans = 0;
 }
 
-int create_checkpoint_caches(void)
+int __init create_checkpoint_caches(void)
 {
         orphan_entry_slab = f2fs_kmem_cache_create("f2fs_orphan_entry",
                         sizeof(struct orphan_inode_entry), NULL);
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 3aa5ce7cab83..7bd22a201125 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -547,6 +547,15 @@ redirty_out:
 
 #define MAX_DESIRED_PAGES_WP    4096
 
+static int __f2fs_writepage(struct page *page, struct writeback_control *wbc,
+                        void *data)
+{
+        struct address_space *mapping = data;
+        int ret = mapping->a_ops->writepage(page, wbc);
+        mapping_set_error(mapping, ret);
+        return ret;
+}
+
 static int f2fs_write_data_pages(struct address_space *mapping,
                             struct writeback_control *wbc)
 {
@@ -563,7 +572,7 @@ static int f2fs_write_data_pages(struct address_space *mapping,
 
         if (!S_ISDIR(inode->i_mode))
                 mutex_lock(&sbi->writepages);
-        ret = generic_writepages(mapping, wbc);
+        ret = write_cache_pages(mapping, wbc, __f2fs_writepage, mapping);
         if (!S_ISDIR(inode->i_mode))
                 mutex_unlock(&sbi->writepages);
         f2fs_submit_bio(sbi, DATA, (wbc->sync_mode == WB_SYNC_ALL));
@@ -689,6 +698,11 @@ static int f2fs_set_data_page_dirty(struct page *page)
         return 0;
 }
 
+static sector_t f2fs_bmap(struct address_space *mapping, sector_t block)
+{
+        return generic_block_bmap(mapping, block, get_data_block_ro);
+}
+
 const struct address_space_operations f2fs_dblock_aops = {
         .readpage       = f2fs_read_data_page,
         .readpages      = f2fs_read_data_pages,
@@ -700,4 +714,5 @@ const struct address_space_operations f2fs_dblock_aops = {
         .invalidatepage = f2fs_invalidate_data_page,
         .releasepage    = f2fs_release_data_page,
         .direct_IO      = f2fs_direct_IO,
+        .bmap           = f2fs_bmap,
 };
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 0e0380a588ad..c8c37307b326 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -26,6 +26,7 @@
 
 static LIST_HEAD(f2fs_stat_list);
 static struct dentry *debugfs_root;
+static DEFINE_MUTEX(f2fs_stat_mutex);
 
 static void update_general_status(struct f2fs_sb_info *sbi)
 {
@@ -180,18 +181,14 @@ static int stat_show(struct seq_file *s, void *v)
         int i = 0;
         int j;
 
+        mutex_lock(&f2fs_stat_mutex);
         list_for_each_entry_safe(si, next, &f2fs_stat_list, stat_list) {
 
-                mutex_lock(&si->stat_lock);
-                if (!si->sbi) {
-                        mutex_unlock(&si->stat_lock);
-                        continue;
-                }
                 update_general_status(si->sbi);
 
                 seq_printf(s, "\n=====[ partition info. #%d ]=====\n", i++);
-                seq_printf(s, "[SB: 1] [CP: 2] [NAT: %d] [SIT: %d] ",
-                           si->nat_area_segs, si->sit_area_segs);
+                seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ",
+                           si->sit_area_segs, si->nat_area_segs);
                 seq_printf(s, "[SSA: %d] [MAIN: %d",
                            si->ssa_area_segs, si->main_area_segs);
                 seq_printf(s, "(OverProv:%d Resv:%d)]\n\n",
@@ -286,8 +283,8 @@ static int stat_show(struct seq_file *s, void *v)
                 seq_printf(s, "\nMemory: %u KB = static: %u + cached: %u\n",
                                 (si->base_mem + si->cache_mem) >> 10,
                                 si->base_mem >> 10, si->cache_mem >> 10);
-                mutex_unlock(&si->stat_lock);
         }
+        mutex_unlock(&f2fs_stat_mutex);
         return 0;
 }
 
@@ -303,7 +300,7 @@ static const struct file_operations stat_fops = {
         .release = single_release,
 };
 
-static int init_stats(struct f2fs_sb_info *sbi)
+int f2fs_build_stats(struct f2fs_sb_info *sbi)
 {
         struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
         struct f2fs_stat_info *si;
@@ -313,9 +310,6 @@ static int init_stats(struct f2fs_sb_info *sbi)
                 return -ENOMEM;
 
         si = sbi->stat_info;
-        mutex_init(&si->stat_lock);
-        list_add_tail(&si->stat_list, &f2fs_stat_list);
-
         si->all_area_segs = le32_to_cpu(raw_super->segment_count);
         si->sit_area_segs = le32_to_cpu(raw_super->segment_count_sit);
         si->nat_area_segs = le32_to_cpu(raw_super->segment_count_nat);
@@ -325,21 +319,11 @@ static int init_stats(struct f2fs_sb_info *sbi)
         si->main_area_zones = si->main_area_sections /
                                 le32_to_cpu(raw_super->secs_per_zone);
         si->sbi = sbi;
-        return 0;
-}
 
-int f2fs_build_stats(struct f2fs_sb_info *sbi)
-{
-        int retval;
-
-        retval = init_stats(sbi);
-        if (retval)
-                return retval;
-
-        if (!debugfs_root)
-                debugfs_root = debugfs_create_dir("f2fs", NULL);
+        mutex_lock(&f2fs_stat_mutex);
+        list_add_tail(&si->stat_list, &f2fs_stat_list);
+        mutex_unlock(&f2fs_stat_mutex);
 
-        debugfs_create_file("status", S_IRUGO, debugfs_root, NULL, &stat_fops);
         return 0;
 }
 
@@ -347,14 +331,22 @@ void f2fs_destroy_stats(struct f2fs_sb_info *sbi)
 {
         struct f2fs_stat_info *si = sbi->stat_info;
 
+        mutex_lock(&f2fs_stat_mutex);
         list_del(&si->stat_list);
-        mutex_lock(&si->stat_lock);
-        si->sbi = NULL;
-        mutex_unlock(&si->stat_lock);
+        mutex_unlock(&f2fs_stat_mutex);
+
         kfree(sbi->stat_info);
 }
 
-void destroy_root_stats(void)
+void __init f2fs_create_root_stats(void)
+{
+        debugfs_root = debugfs_create_dir("f2fs", NULL);
+        if (debugfs_root)
+                debugfs_create_file("status", S_IRUGO, debugfs_root,
+                                         NULL, &stat_fops);
+}
+
+void f2fs_destroy_root_stats(void)
 {
         debugfs_remove_recursive(debugfs_root);
         debugfs_root = NULL;
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 951ed52748f6..989980e16d0b 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -503,7 +503,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
         }
 
         if (inode) {
-                inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+                inode->i_ctime = CURRENT_TIME;
                 drop_nlink(inode);
                 if (S_ISDIR(inode->i_mode)) {
                         drop_nlink(inode);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 13c6dfbb7183..c8e2d751ef9c 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -211,11 +211,11 @@ struct dnode_of_data {
 static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode,
                 struct page *ipage, struct page *npage, nid_t nid)
 {
+        memset(dn, 0, sizeof(*dn));
         dn->inode = inode;
         dn->inode_page = ipage;
         dn->node_page = npage;
         dn->nid = nid;
-        dn->inode_page_locked = 0;
 }
 
 /*
@@ -877,6 +877,8 @@ bool f2fs_empty_dir(struct inode *);
  * super.c
  */
 int f2fs_sync_fs(struct super_block *, int);
+extern __printf(3, 4)
+void f2fs_msg(struct super_block *, const char *, const char *, ...);
 
 /*
  * hash.c
@@ -912,7 +914,7 @@ int restore_node_summary(struct f2fs_sb_info *, unsigned int,
 void flush_nat_entries(struct f2fs_sb_info *);
 int build_node_manager(struct f2fs_sb_info *);
 void destroy_node_manager(struct f2fs_sb_info *);
-int create_node_manager_caches(void);
+int __init create_node_manager_caches(void);
 void destroy_node_manager_caches(void);
 
 /*
@@ -964,7 +966,7 @@ void sync_dirty_dir_inodes(struct f2fs_sb_info *);
 void block_operations(struct f2fs_sb_info *);
 void write_checkpoint(struct f2fs_sb_info *, bool, bool);
 void init_orphan_info(struct f2fs_sb_info *);
-int create_checkpoint_caches(void);
+int __init create_checkpoint_caches(void);
 void destroy_checkpoint_caches(void);
 
 /*
@@ -984,9 +986,9 @@ int do_write_data_page(struct page *);
 int start_gc_thread(struct f2fs_sb_info *);
 void stop_gc_thread(struct f2fs_sb_info *);
 block_t start_bidx_of_node(unsigned int);
-int f2fs_gc(struct f2fs_sb_info *, int);
+int f2fs_gc(struct f2fs_sb_info *);
 void build_gc_manager(struct f2fs_sb_info *);
-int create_gc_caches(void);
+int __init create_gc_caches(void);
 void destroy_gc_caches(void);
 
 /*
@@ -1058,7 +1060,8 @@ struct f2fs_stat_info {
 
 int f2fs_build_stats(struct f2fs_sb_info *);
 void f2fs_destroy_stats(struct f2fs_sb_info *);
-void destroy_root_stats(void);
+void __init f2fs_create_root_stats(void);
+void f2fs_destroy_root_stats(void);
 #else
 #define stat_inc_call_count(si)
 #define stat_inc_seg_count(si, type)
@@ -1068,7 +1071,8 @@ void destroy_root_stats(void);
 
 static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; }
 static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { }
-static inline void destroy_root_stats(void) { }
+static inline void __init f2fs_create_root_stats(void) { }
+static inline void f2fs_destroy_root_stats(void) { }
 #endif
 
 extern const struct file_operations f2fs_dir_operations;
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 7f9ea9271ebe..3191b52aafb0 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -96,8 +96,9 @@ out:
 }
 
 static const struct vm_operations_struct f2fs_file_vm_ops = {
-        .fault        = filemap_fault,
-        .page_mkwrite = f2fs_vm_page_mkwrite,
+        .fault          = filemap_fault,
+        .page_mkwrite   = f2fs_vm_page_mkwrite,
+        .remap_pages    = generic_file_remap_pages,
 };
 
 static int need_to_sync_dir(struct f2fs_sb_info *sbi, struct inode *inode)
@@ -137,6 +138,9 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
         if (ret)
                 return ret;
 
+        /* guarantee free sections for fsync */
+        f2fs_balance_fs(sbi);
+
         mutex_lock(&inode->i_mutex);
 
         if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
@@ -407,6 +411,8 @@ int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
                 struct dnode_of_data dn;
                 struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
 
+                f2fs_balance_fs(sbi);
+
                 mutex_lock_op(sbi, DATA_TRUNC);
                 set_new_dnode(&dn, inode, NULL, NULL, 0);
                 err = get_dnode_of_data(&dn, index, RDONLY_NODE);
@@ -534,7 +540,6 @@ static long f2fs_fallocate(struct file *file, int mode,
                                 loff_t offset, loff_t len)
 {
         struct inode *inode = file->f_path.dentry->d_inode;
-        struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
         long ret;
 
         if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
@@ -545,7 +550,10 @@ static long f2fs_fallocate(struct file *file, int mode,
         else
                 ret = expand_inode_data(inode, offset, len, mode);
 
-        f2fs_balance_fs(sbi);
+        if (!ret) {
+                inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+                mark_inode_dirty(inode);
+        }
         return ret;
 }
 
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index b0ec721e984a..c386910dacc5 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -78,7 +78,7 @@ static int gc_thread_func(void *data)
 
                 sbi->bg_gc++;
 
-                if (f2fs_gc(sbi, 1) == GC_NONE)
+                if (f2fs_gc(sbi) == GC_NONE)
                         wait_ms = GC_THREAD_NOGC_SLEEP_TIME;
                 else if (wait_ms == GC_THREAD_NOGC_SLEEP_TIME)
                         wait_ms = GC_THREAD_MAX_SLEEP_TIME;
@@ -424,7 +424,11 @@ next_step:
 }
 
 /*
- * Calculate start block index that this node page contains
+ * Calculate start block index indicating the given node offset.
+ * Be careful, caller should give this node offset only indicating direct node
+ * blocks. If any node offsets, which point the other types of node blocks such
+ * as indirect or double indirect node blocks, are given, it must be a caller's
+ * bug.
  */
 block_t start_bidx_of_node(unsigned int node_ofs)
 {
@@ -651,62 +655,44 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, unsigned int segno,
         return ret;
 }
 
-int f2fs_gc(struct f2fs_sb_info *sbi, int nGC)
+int f2fs_gc(struct f2fs_sb_info *sbi)
 {
-        unsigned int segno;
-        int old_free_secs, cur_free_secs;
-        int gc_status, nfree;
         struct list_head ilist;
+        unsigned int segno, i;
         int gc_type = BG_GC;
+        int gc_status = GC_NONE;
 
         INIT_LIST_HEAD(&ilist);
 gc_more:
-        nfree = 0;
-        gc_status = GC_NONE;
+        if (!(sbi->sb->s_flags & MS_ACTIVE))
+                goto stop;
 
         if (has_not_enough_free_secs(sbi))
-                old_free_secs = reserved_sections(sbi);
-        else
-                old_free_secs = free_sections(sbi);
-
-        while (sbi->sb->s_flags & MS_ACTIVE) {
-                int i;
-                if (has_not_enough_free_secs(sbi))
-                        gc_type = FG_GC;
+                gc_type = FG_GC;
 
-                cur_free_secs = free_sections(sbi) + nfree;
+        if (!__get_victim(sbi, &segno, gc_type, NO_CHECK_TYPE))
+                goto stop;
 
-                /* We got free space successfully. */
-                if (nGC < cur_free_secs - old_free_secs)
-                        break;
-
-                if (!__get_victim(sbi, &segno, gc_type, NO_CHECK_TYPE))
+        for (i = 0; i < sbi->segs_per_sec; i++) {
+                /*
+                 * do_garbage_collect will give us three gc_status:
+                 * GC_ERROR, GC_DONE, and GC_BLOCKED.
+                 * If GC is finished uncleanly, we have to return
+                 * the victim to dirty segment list.
+                 */
+                gc_status = do_garbage_collect(sbi, segno + i, &ilist, gc_type);
+                if (gc_status != GC_DONE)
                         break;
-
-                for (i = 0; i < sbi->segs_per_sec; i++) {
-                        /*
-                         * do_garbage_collect will give us three gc_status:
-                         * GC_ERROR, GC_DONE, and GC_BLOCKED.
-                         * If GC is finished uncleanly, we have to return
-                         * the victim to dirty segment list.
-                         */
-                        gc_status = do_garbage_collect(sbi, segno + i,
-                                        &ilist, gc_type);
-                        if (gc_status != GC_DONE)
-                                goto stop;
-                        nfree++;
-                }
         }
-stop:
-        if (has_not_enough_free_secs(sbi) || gc_status == GC_BLOCKED) {
+        if (has_not_enough_free_secs(sbi)) {
                 write_checkpoint(sbi, (gc_status == GC_BLOCKED), false);
-                if (nfree)
+                if (has_not_enough_free_secs(sbi))
                         goto gc_more;
         }
+stop:
         mutex_unlock(&sbi->gc_mutex);
 
         put_gc_inode(&ilist);
-        BUG_ON(!list_empty(&ilist));
         return gc_status;
 }
 
@@ -715,7 +701,7 @@ void build_gc_manager(struct f2fs_sb_info *sbi)
         DIRTY_I(sbi)->v_ops = &default_v_ops;
 }
 
-int create_gc_caches(void)
+int __init create_gc_caches(void)
 {
         winode_slab = f2fs_kmem_cache_create("f2fs_gc_inodes",
                         sizeof(struct inode_entry), NULL);
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index bf20b4d03214..794241777322 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -217,6 +217,9 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
                         inode->i_ino == F2FS_META_INO(sbi))
                 return 0;
 
+        if (wbc)
+                f2fs_balance_fs(sbi);
+
         node_page = get_node_page(sbi, inode->i_ino);
         if (IS_ERR(node_page))
                 return PTR_ERR(node_page);
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 5066bfd256c9..9bda63c9c166 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1124,6 +1124,12 @@ static int f2fs_write_node_page(struct page *page,
         return 0;
 }
 
+/*
+ * It is very important to gather dirty pages and write at once, so that we can
+ * submit a big bio without interfering other data writes.
+ * Be default, 512 pages (2MB), a segment size, is quite reasonable.
+ */
+#define COLLECT_DIRTY_NODES     512
 static int f2fs_write_node_pages(struct address_space *mapping,
                             struct writeback_control *wbc)
 {
@@ -1131,17 +1137,16 @@ static int f2fs_write_node_pages(struct address_space *mapping,
         struct block_device *bdev = sbi->sb->s_bdev;
         long nr_to_write = wbc->nr_to_write;
 
-        if (wbc->for_kupdate)
-                return 0;
-
-        if (get_pages(sbi, F2FS_DIRTY_NODES) == 0)
-                return 0;
-
+        /* First check balancing cached NAT entries */
         if (try_to_free_nats(sbi, NAT_ENTRY_PER_BLOCK)) {
                 write_checkpoint(sbi, false, false);
                 return 0;
         }
 
+        /* collect a number of dirty node pages and write together */
+        if (get_pages(sbi, F2FS_DIRTY_NODES) < COLLECT_DIRTY_NODES)
+                return 0;
+
         /* if mounting is failed, skip writing node pages */
         wbc->nr_to_write = bio_get_nr_vecs(bdev);
         sync_node_pages(sbi, 0, wbc);
@@ -1732,7 +1737,7 @@ void destroy_node_manager(struct f2fs_sb_info *sbi)
         kfree(nm_i);
 }
 
-int create_node_manager_caches(void)
+int __init create_node_manager_caches(void)
 {
         nat_entry_slab = f2fs_kmem_cache_create("nat_entry",
                         sizeof(struct nat_entry), NULL);
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index b571fee677d5..f42e4060b399 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -67,7 +67,7 @@ static int recover_dentry(struct page *ipage, struct inode *inode)
                 kunmap(page);
                 f2fs_put_page(page, 0);
         } else {
-                f2fs_add_link(&dent, inode);
+                err = f2fs_add_link(&dent, inode);
         }
         iput(dir);
 out:
@@ -151,7 +151,6 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head)
                                 goto out;
                         }
 
-                        INIT_LIST_HEAD(&entry->list);
                         list_add_tail(&entry->list, head);
                         entry->blkaddr = blkaddr;
                 }
@@ -174,10 +173,9 @@ out:
 static void destroy_fsync_dnodes(struct f2fs_sb_info *sbi,
                                         struct list_head *head)
 {
-        struct list_head *this;
-        struct fsync_inode_entry *entry;
-        list_for_each(this, head) {
-                entry = list_entry(this, struct fsync_inode_entry, list);
+        struct fsync_inode_entry *entry, *tmp;
+
+        list_for_each_entry_safe(entry, tmp, head, list) {
                 iput(entry->inode);
                 list_del(&entry->list);
                 kmem_cache_free(fsync_entry_slab, entry);
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index de6240922b0a..4b0099066582 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -31,7 +31,7 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi)
          */
         if (has_not_enough_free_secs(sbi)) {
                 mutex_lock(&sbi->gc_mutex);
-                f2fs_gc(sbi, 1);
+                f2fs_gc(sbi);
         }
 }
 
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 08a94c814bdc..37fad04c8669 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -53,6 +53,18 @@ static match_table_t f2fs_tokens = {
         {Opt_err, NULL},
 };
 
+void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...)
+{
+        struct va_format vaf;
+        va_list args;
+
+        va_start(args, fmt);
+        vaf.fmt = fmt;
+        vaf.va = &args;
+        printk("%sF2FS-fs (%s): %pV\n", level, sb->s_id, &vaf);
+        va_end(args);
+}
+
 static void init_once(void *foo)
 {
         struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo;
@@ -125,6 +137,8 @@ int f2fs_sync_fs(struct super_block *sb, int sync)
 
         if (sync)
                 write_checkpoint(sbi, false, false);
+        else
+                f2fs_balance_fs(sbi);
 
         return 0;
 }
@@ -247,7 +261,8 @@ static const struct export_operations f2fs_export_ops = {
         .get_parent = f2fs_get_parent,
 };
 
-static int parse_options(struct f2fs_sb_info *sbi, char *options)
+static int parse_options(struct super_block *sb, struct f2fs_sb_info *sbi,
+                                char *options)
 {
         substring_t args[MAX_OPT_ARGS];
         char *p;
@@ -286,7 +301,8 @@ static int parse_options(struct f2fs_sb_info *sbi, char *options)
                         break;
 #else
                 case Opt_nouser_xattr:
-                        pr_info("nouser_xattr options not supported\n");
+                        f2fs_msg(sb, KERN_INFO,
+                                "nouser_xattr options not supported");
                         break;
 #endif
 #ifdef CONFIG_F2FS_FS_POSIX_ACL
@@ -295,7 +311,7 @@ static int parse_options(struct f2fs_sb_info *sbi, char *options)
                         break;
 #else
                 case Opt_noacl:
-                        pr_info("noacl options not supported\n");
+                        f2fs_msg(sb, KERN_INFO, "noacl options not supported");
                         break;
 #endif
                 case Opt_active_logs:
@@ -309,8 +325,9 @@ static int parse_options(struct f2fs_sb_info *sbi, char *options)
                         set_opt(sbi, DISABLE_EXT_IDENTIFY);
                         break;
                 default:
-                        pr_err("Unrecognized mount option \"%s\" or missing value\n",
-                                        p);
+                        f2fs_msg(sb, KERN_ERR,
+                                "Unrecognized mount option \"%s\" or missing value",
+                                p);
                         return -EINVAL;
                 }
         }
@@ -337,23 +354,36 @@ static loff_t max_file_size(unsigned bits)
         return result;
 }
 
-static int sanity_check_raw_super(struct f2fs_super_block *raw_super)
+static int sanity_check_raw_super(struct super_block *sb,
+                        struct f2fs_super_block *raw_super)
 {
         unsigned int blocksize;
 
-        if (F2FS_SUPER_MAGIC != le32_to_cpu(raw_super->magic))
+        if (F2FS_SUPER_MAGIC != le32_to_cpu(raw_super->magic)) {
+                f2fs_msg(sb, KERN_INFO,
+                        "Magic Mismatch, valid(0x%x) - read(0x%x)",
+                        F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic));
                 return 1;
+        }
 
         /* Currently, support only 4KB block size */
         blocksize = 1 << le32_to_cpu(raw_super->log_blocksize);
-        if (blocksize != PAGE_CACHE_SIZE)
+        if (blocksize != PAGE_CACHE_SIZE) {
+                f2fs_msg(sb, KERN_INFO,
+                        "Invalid blocksize (%u), supports only 4KB\n",
+                        blocksize);
                 return 1;
+        }
         if (le32_to_cpu(raw_super->log_sectorsize) !=
-                                        F2FS_LOG_SECTOR_SIZE)
+                                        F2FS_LOG_SECTOR_SIZE) {
+                f2fs_msg(sb, KERN_INFO, "Invalid log sectorsize");
                 return 1;
+        }
         if (le32_to_cpu(raw_super->log_sectors_per_block) !=
-                                        F2FS_LOG_SECTORS_PER_BLOCK)
+                                        F2FS_LOG_SECTORS_PER_BLOCK) {
+                f2fs_msg(sb, KERN_INFO, "Invalid log sectors per block");
                 return 1;
+        }
         return 0;
 }
 
@@ -413,14 +443,17 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
         if (!sbi)
                 return -ENOMEM;
 
-        /* set a temporary block size */
-        if (!sb_set_blocksize(sb, F2FS_BLKSIZE))
+        /* set a block size */
+        if (!sb_set_blocksize(sb, F2FS_BLKSIZE)) {
+                f2fs_msg(sb, KERN_ERR, "unable to set blocksize");
                 goto free_sbi;
+        }
 
         /* read f2fs raw super block */
         raw_super_buf = sb_bread(sb, 0);
         if (!raw_super_buf) {
                 err = -EIO;
+                f2fs_msg(sb, KERN_ERR, "unable to read superblock");
                 goto free_sbi;
         }
         raw_super = (struct f2fs_super_block *)
@@ -438,12 +471,14 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
         set_opt(sbi, POSIX_ACL);
 #endif
         /* parse mount options */
-        if (parse_options(sbi, (char *)data))
+        if (parse_options(sb, sbi, (char *)data))
                 goto free_sb_buf;
 
         /* sanity checking of raw super */
-        if (sanity_check_raw_super(raw_super))
+        if (sanity_check_raw_super(sb, raw_super)) {
+                f2fs_msg(sb, KERN_ERR, "Can't find a valid F2FS filesystem");
                 goto free_sb_buf;
+        }
 
         sb->s_maxbytes = max_file_size(le32_to_cpu(raw_super->log_blocksize));
         sb->s_max_links = F2FS_LINK_MAX;
@@ -477,18 +512,23 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
         /* get an inode for meta space */
         sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi));
         if (IS_ERR(sbi->meta_inode)) {
+                f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode");
                 err = PTR_ERR(sbi->meta_inode);
                 goto free_sb_buf;
         }
 
         err = get_valid_checkpoint(sbi);
-        if (err)
+        if (err) {
+                f2fs_msg(sb, KERN_ERR, "Failed to get valid F2FS checkpoint");
                 goto free_meta_inode;
+        }
 
         /* sanity checking of checkpoint */
         err = -EINVAL;
-        if (sanity_check_ckpt(raw_super, sbi->ckpt))
+        if (sanity_check_ckpt(raw_super, sbi->ckpt)) {
+                f2fs_msg(sb, KERN_ERR, "Invalid F2FS checkpoint");
                 goto free_cp;
+        }
 
         sbi->total_valid_node_count =
                                 le32_to_cpu(sbi->ckpt->valid_node_count);
@@ -502,25 +542,28 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
         INIT_LIST_HEAD(&sbi->dir_inode_list);
         spin_lock_init(&sbi->dir_inode_lock);
 
-        /* init super block */
-        if (!sb_set_blocksize(sb, sbi->blocksize))
-                goto free_cp;
-
         init_orphan_info(sbi);
 
         /* setup f2fs internal modules */
         err = build_segment_manager(sbi);
-        if (err)
+        if (err) {
+                f2fs_msg(sb, KERN_ERR,
+                        "Failed to initialize F2FS segment manager");
                 goto free_sm;
+        }
         err = build_node_manager(sbi);
-        if (err)
+        if (err) {
+                f2fs_msg(sb, KERN_ERR,
+                        "Failed to initialize F2FS node manager");
                 goto free_nm;
+        }
 
         build_gc_manager(sbi);
 
         /* get an inode for node space */
         sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi));
         if (IS_ERR(sbi->node_inode)) {
+                f2fs_msg(sb, KERN_ERR, "Failed to read node inode");
                 err = PTR_ERR(sbi->node_inode);
                 goto free_nm;
         }
@@ -533,6 +576,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
         /* read root inode and dentry */
         root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));
         if (IS_ERR(root)) {
+                f2fs_msg(sb, KERN_ERR, "Failed to read root inode");
                 err = PTR_ERR(root);
                 goto free_node_inode;
         }
@@ -596,7 +640,7 @@ static struct file_system_type f2fs_fs_type = {
         .fs_flags       = FS_REQUIRES_DEV,
 };
 
-static int init_inodecache(void)
+static int __init init_inodecache(void)
 {
         f2fs_inode_cachep = f2fs_kmem_cache_create("f2fs_inode_cache",
                         sizeof(struct f2fs_inode_info), NULL);
@@ -631,14 +675,17 @@ static int __init init_f2fs_fs(void)
         err = create_checkpoint_caches();
         if (err)
                 goto fail;
-        return register_filesystem(&f2fs_fs_type);
+        err = register_filesystem(&f2fs_fs_type);
+        if (err)
+                goto fail;
+        f2fs_create_root_stats();
 fail:
         return err;
 }
 
 static void __exit exit_f2fs_fs(void)
 {
-        destroy_root_stats();
+        f2fs_destroy_root_stats();
         unregister_filesystem(&f2fs_fs_type);
         destroy_checkpoint_caches();
         destroy_gc_caches();
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index 940136a3d3a6..8038c0496504 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -318,6 +318,8 @@ int f2fs_setxattr(struct inode *inode, int name_index, const char *name,
         if (name_len > 255 || value_len > MAX_VALUE_LEN)
                 return -ERANGE;
 
+        f2fs_balance_fs(sbi);
+
         mutex_lock_op(sbi, NODE_NEW);
         if (!fi->i_xattr_nid) {
                 /* Allocate new attribute block */
diff --git a/fs/fuse/Kconfig b/fs/fuse/Kconfig
index 0cf160a94eda..1b2f6c2c3aaf 100644
--- a/fs/fuse/Kconfig
+++ b/fs/fuse/Kconfig
@@ -4,12 +4,24 @@ config FUSE_FS
           With FUSE it is possible to implement a fully functional filesystem
           in a userspace program.
 
-          There's also companion library: libfuse.  This library along with
-          utilities is available from the FUSE homepage:
+          There's also a companion library: libfuse2.  This library is available
+          from the FUSE homepage:
           <http://fuse.sourceforge.net/>
+          although chances are your distribution already has that library
+          installed if you've installed the "fuse" package itself.
 
           See <file:Documentation/filesystems/fuse.txt> for more information.
           See <file:Documentation/Changes> for needed library/utility version.
 
           If you want to develop a userspace FS, or if you want to use
           a filesystem based on FUSE, answer Y or M.
+
+config CUSE
+        tristate "Character device in Userspace support"
+        depends on FUSE_FS
+        help
+          This FUSE extension allows character devices to be
+          implemented in userspace.
+
+          If you want to develop or use a userspace character device
+          based on CUSE, answer Y or M.
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
index ee8d55042298..e397b675b029 100644
--- a/fs/fuse/cuse.c
+++ b/fs/fuse/cuse.c
@@ -45,7 +45,6 @@
 #include <linux/miscdevice.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
-#include <linux/spinlock.h>
 #include <linux/stat.h>
 #include <linux/module.h>
 
@@ -63,7 +62,7 @@ struct cuse_conn {
         bool                    unrestricted_ioctl;
 };
 
-static DEFINE_SPINLOCK(cuse_lock);              /* protects cuse_conntbl */
+static DEFINE_MUTEX(cuse_lock);         /* protects registration */
 static struct list_head cuse_conntbl[CUSE_CONNTBL_LEN];
 static struct class *cuse_class;
 
@@ -114,14 +113,14 @@ static int cuse_open(struct inode *inode, struct file *file)
         int rc;
 
         /* look up and get the connection */
-        spin_lock(&cuse_lock);
+        mutex_lock(&cuse_lock);
         list_for_each_entry(pos, cuse_conntbl_head(devt), list)
                 if (pos->dev->devt == devt) {
                         fuse_conn_get(&pos->fc);
                         cc = pos;
                         break;
                 }
-        spin_unlock(&cuse_lock);
+        mutex_unlock(&cuse_lock);
 
         /* dead? */
         if (!cc)
@@ -267,7 +266,7 @@ static int cuse_parse_one(char **pp, char *end, char **keyp, char **valp)
 static int cuse_parse_devinfo(char *p, size_t len, struct cuse_devinfo *devinfo)
 {
         char *end = p + len;
-        char *key, *val;
+        char *uninitialized_var(key), *uninitialized_var(val);
         int rc;
 
         while (true) {
@@ -305,14 +304,14 @@ static void cuse_gendev_release(struct device *dev)
  */
 static void cuse_process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
 {
-        struct cuse_conn *cc = fc_to_cc(fc);
+        struct cuse_conn *cc = fc_to_cc(fc), *pos;
         struct cuse_init_out *arg = req->out.args[0].value;
         struct page *page = req->pages[0];
         struct cuse_devinfo devinfo = { };
         struct device *dev;
         struct cdev *cdev;
         dev_t devt;
-        int rc;
+        int rc, i;
 
         if (req->out.h.error ||
             arg->major != FUSE_KERNEL_VERSION || arg->minor < 11) {
@@ -356,15 +355,24 @@ static void cuse_process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
         dev_set_drvdata(dev, cc);
         dev_set_name(dev, "%s", devinfo.name);
 
+        mutex_lock(&cuse_lock);
+
+        /* make sure the device-name is unique */
+        for (i = 0; i < CUSE_CONNTBL_LEN; ++i) {
+                list_for_each_entry(pos, &cuse_conntbl[i], list)
+                        if (!strcmp(dev_name(pos->dev), dev_name(dev)))
+                                goto err_unlock;
+        }
+
         rc = device_add(dev);
         if (rc)
-                goto err_device;
+                goto err_unlock;
 
         /* register cdev */
         rc = -ENOMEM;
         cdev = cdev_alloc();
         if (!cdev)
-                goto err_device;
+                goto err_unlock;
 
         cdev->owner = THIS_MODULE;
         cdev->ops = &cuse_frontend_fops;
@@ -377,9 +385,8 @@ static void cuse_process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
         cc->cdev = cdev;
 
         /* make the device available */
-        spin_lock(&cuse_lock);
         list_add(&cc->list, cuse_conntbl_head(devt));
-        spin_unlock(&cuse_lock);
+        mutex_unlock(&cuse_lock);
 
         /* announce device availability */
         dev_set_uevent_suppress(dev, 0);
@@ -391,7 +398,8 @@ out:
 
 err_cdev:
         cdev_del(cdev);
-err_device:
+err_unlock:
+        mutex_unlock(&cuse_lock);
         put_device(dev);
 err_region:
         unregister_chrdev_region(devt, 1);
@@ -520,9 +528,9 @@ static int cuse_channel_release(struct inode *inode, struct file *file)
         int rc;
 
         /* remove from the conntbl, no more access from this point on */
-        spin_lock(&cuse_lock);
+        mutex_lock(&cuse_lock);
         list_del_init(&cc->list);
-        spin_unlock(&cuse_lock);
+        mutex_unlock(&cuse_lock);
 
         /* remove device */
         if (cc->dev)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index c16335315e5d..e83351aa5bad 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -692,8 +692,6 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
         struct page *oldpage = *pagep;
         struct page *newpage;
         struct pipe_buffer *buf = cs->pipebufs;
-        struct address_space *mapping;
-        pgoff_t index;
 
         unlock_request(cs->fc, cs->req);
         fuse_copy_finish(cs);
@@ -724,9 +722,6 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
         if (fuse_check_page(newpage) != 0)
                 goto out_fallback_unlock;
 
-        mapping = oldpage->mapping;
-        index = oldpage->index;
-
         /*
          * This is a new and locked page, it shouldn't be mapped or
          * have any special flags on it
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index e21d4d8f87e3..f3ab824fa302 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2177,8 +2177,8 @@ fuse_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
         return ret;
 }
 
-long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
-                            loff_t length)
+static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
+                                loff_t length)
 {
         struct fuse_file *ff = file->private_data;
         struct fuse_conn *fc = ff->fc;
@@ -2213,7 +2213,6 @@ long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
 
         return err;
 }
-EXPORT_SYMBOL_GPL(fuse_file_fallocate);
 
 static const struct file_operations fuse_file_operations = {
         .llseek         = fuse_file_llseek,
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/jbd/journal.c b/fs/jbd/journal.c
index a2862339323b..81cc7eaff863 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -446,7 +446,8 @@ int __log_start_commit(journal_t *journal, tid_t target)
          * currently running transaction (if it exists).  Otherwise,
          * the target tid must be an old one.
          */
-        if (journal->j_running_transaction &&
+        if (journal->j_commit_request != target &&
+            journal->j_running_transaction &&
             journal->j_running_transaction->t_tid == target) {
                 /*
                  * We want a new commit: OK, mark the request and wakeup the
diff --git a/fs/udf/super.c b/fs/udf/super.c
index d44fb568abe1..e9be396a558d 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -307,7 +307,8 @@ static void udf_sb_free_partitions(struct super_block *sb)
 {
         struct udf_sb_info *sbi = UDF_SB(sb);
         int i;
-
+        if (sbi->s_partmaps == NULL)
+                return;
         for (i = 0; i < sbi->s_partitions; i++)
                 udf_free_partition(&sbi->s_partmaps[i]);
         kfree(sbi->s_partmaps);
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 26673a0b20e7..56d1614760cf 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -175,7 +175,7 @@ xfs_buf_get_maps(
         bp->b_map_count = map_count;
 
         if (map_count == 1) {
-                bp->b_maps = &bp->b_map;
+                bp->b_maps = &bp->__b_map;
                 return 0;
         }
 
@@ -193,7 +193,7 @@ static void
 xfs_buf_free_maps(
         struct xfs_buf  *bp)
 {
-        if (bp->b_maps != &bp->b_map) {
+        if (bp->b_maps != &bp->__b_map) {
                 kmem_free(bp->b_maps);
                 bp->b_maps = NULL;
         }
@@ -377,8 +377,8 @@ xfs_buf_allocate_memory(
         }
 
 use_alloc_page:
-        start = BBTOB(bp->b_map.bm_bn) >> PAGE_SHIFT;
-        end = (BBTOB(bp->b_map.bm_bn + bp->b_length) + PAGE_SIZE - 1)
+        start = BBTOB(bp->b_maps[0].bm_bn) >> PAGE_SHIFT;
+        end = (BBTOB(bp->b_maps[0].bm_bn + bp->b_length) + PAGE_SIZE - 1)
                                                                 >> PAGE_SHIFT;
         page_count = end - start;
         error = _xfs_buf_get_pages(bp, page_count, flags);
@@ -640,7 +640,7 @@ _xfs_buf_read(
         xfs_buf_flags_t         flags)
 {
         ASSERT(!(flags & XBF_WRITE));
-        ASSERT(bp->b_map.bm_bn != XFS_BUF_DADDR_NULL);
+        ASSERT(bp->b_maps[0].bm_bn != XFS_BUF_DADDR_NULL);
 
         bp->b_flags &= ~(XBF_WRITE | XBF_ASYNC | XBF_READ_AHEAD);
         bp->b_flags |= flags & (XBF_READ | XBF_ASYNC | XBF_READ_AHEAD);
@@ -1709,7 +1709,7 @@ xfs_buf_cmp(
         struct xfs_buf  *bp = container_of(b, struct xfs_buf, b_list);
         xfs_daddr_t             diff;
 
-        diff = ap->b_map.bm_bn - bp->b_map.bm_bn;
+        diff = ap->b_maps[0].bm_bn - bp->b_maps[0].bm_bn;
         if (diff < 0)
                 return -1;
         if (diff > 0)
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index 23f5642480bb..433a12ed7b17 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -151,7 +151,7 @@ typedef struct xfs_buf {
         struct page             **b_pages;      /* array of page pointers */
         struct page             *b_page_array[XB_PAGES]; /* inline pages */
         struct xfs_buf_map      *b_maps;        /* compound buffer map */
-        struct xfs_buf_map      b_map;          /* inline compound buffer map */
+        struct xfs_buf_map      __b_map;        /* inline compound buffer map */
         int                     b_map_count;
         int                     b_io_length;    /* IO size in BBs */
         atomic_t                b_pin_count;    /* pin count */
@@ -330,8 +330,8 @@ void xfs_buf_stale(struct xfs_buf *bp);
  * In future, uncached buffers will pass the block number directly to the io
  * request function and hence these macros will go away at that point.
  */
-#define XFS_BUF_ADDR(bp)                ((bp)->b_map.bm_bn)
-#define XFS_BUF_SET_ADDR(bp, bno)       ((bp)->b_map.bm_bn = (xfs_daddr_t)(bno))
+#define XFS_BUF_ADDR(bp)                ((bp)->b_maps[0].bm_bn)
+#define XFS_BUF_SET_ADDR(bp, bno)       ((bp)->b_maps[0].bm_bn = (xfs_daddr_t)(bno))
 
 static inline void xfs_buf_set_ref(struct xfs_buf *bp, int lru_ref)
 {
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index becf4a97efc6..77b09750e92c 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -71,7 +71,7 @@ xfs_buf_item_log_debug(
                 chunk_num = byte >> XFS_BLF_SHIFT;
                 word_num = chunk_num >> BIT_TO_WORD_SHIFT;
                 bit_num = chunk_num & (NBWORD - 1);
-                wordp = &(bip->bli_format.blf_data_map[word_num]);
+                wordp = &(bip->__bli_format.blf_data_map[word_num]);
                 bit_set = *wordp & (1 << bit_num);
                 ASSERT(bit_set);
                 byte++;
@@ -237,7 +237,7 @@ xfs_buf_item_size(
                  * cancel flag in it.
                  */
                 trace_xfs_buf_item_size_stale(bip);
-                ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
+                ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL);
                 return bip->bli_format_count;
         }
 
@@ -278,7 +278,7 @@ xfs_buf_item_format_segment(
         uint            buffer_offset;
 
         /* copy the flags across from the base format item */
-        blfp->blf_flags = bip->bli_format.blf_flags;
+        blfp->blf_flags = bip->__bli_format.blf_flags;
 
         /*
          * Base size is the actual size of the ondisk structure - it reflects
@@ -287,6 +287,17 @@ xfs_buf_item_format_segment(
          */
         base_size = offsetof(struct xfs_buf_log_format, blf_data_map) +
                         (blfp->blf_map_size * sizeof(blfp->blf_data_map[0]));
+
+        nvecs = 0;
+        first_bit = xfs_next_bit(blfp->blf_data_map, blfp->blf_map_size, 0);
+        if (!(bip->bli_flags & XFS_BLI_STALE) && first_bit == -1) {
+                /*
+                 * If the map is not be dirty in the transaction, mark
+                 * the size as zero and do not advance the vector pointer.
+                 */
+                goto out;
+        }
+
         vecp->i_addr = blfp;
         vecp->i_len = base_size;
         vecp->i_type = XLOG_REG_TYPE_BFORMAT;
@@ -301,15 +312,13 @@ xfs_buf_item_format_segment(
                  */
                 trace_xfs_buf_item_format_stale(bip);
                 ASSERT(blfp->blf_flags & XFS_BLF_CANCEL);
-                blfp->blf_size = nvecs;
-                return vecp;
+                goto out;
         }
 
         /*
          * Fill in an iovec for each set of contiguous chunks.
          */
-        first_bit = xfs_next_bit(blfp->blf_data_map, blfp->blf_map_size, 0);
-        ASSERT(first_bit != -1);
+
         last_bit = first_bit;
         nbits = 1;
         for (;;) {
@@ -371,7 +380,8 @@ xfs_buf_item_format_segment(
                         nbits++;
                 }
         }
-        bip->bli_format.blf_size = nvecs;
+out:
+        blfp->blf_size = nvecs;
         return vecp;
 }
 
@@ -405,7 +415,7 @@ xfs_buf_item_format(
         if (bip->bli_flags & XFS_BLI_INODE_BUF) {
                 if (!((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) &&
                       xfs_log_item_in_current_chkpt(lip)))
-                        bip->bli_format.blf_flags |= XFS_BLF_INODE_BUF;
+                        bip->__bli_format.blf_flags |= XFS_BLF_INODE_BUF;
                 bip->bli_flags &= ~XFS_BLI_INODE_BUF;
         }
 
@@ -485,7 +495,7 @@ xfs_buf_item_unpin(
                 ASSERT(bip->bli_flags & XFS_BLI_STALE);
                 ASSERT(xfs_buf_islocked(bp));
                 ASSERT(XFS_BUF_ISSTALE(bp));
-                ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
+                ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL);
 
                 trace_xfs_buf_item_unpin_stale(bip);
 
@@ -601,7 +611,7 @@ xfs_buf_item_unlock(
 {
         struct xfs_buf_log_item *bip = BUF_ITEM(lip);
         struct xfs_buf          *bp = bip->bli_buf;
-        int                     aborted;
+        int                     aborted, clean, i;
         uint                    hold;
 
         /* Clear the buffer's association with this transaction. */
@@ -631,7 +641,7 @@ xfs_buf_item_unlock(
          */
         if (bip->bli_flags & XFS_BLI_STALE) {
                 trace_xfs_buf_item_unlock_stale(bip);
-                ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
+                ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL);
                 if (!aborted) {
                         atomic_dec(&bip->bli_refcount);
                         return;
@@ -644,8 +654,15 @@ xfs_buf_item_unlock(
          * If the buf item isn't tracking any data, free it, otherwise drop the
          * reference we hold to it.
          */
-        if (xfs_bitmap_empty(bip->bli_format.blf_data_map,
-                             bip->bli_format.blf_map_size))
+        clean = 1;
+        for (i = 0; i < bip->bli_format_count; i++) {
+                if (!xfs_bitmap_empty(bip->bli_formats[i].blf_data_map,
+                             bip->bli_formats[i].blf_map_size)) {
+                        clean = 0;
+                        break;
+                }
+        }
+        if (clean)
                 xfs_buf_item_relse(bp);
         else
                 atomic_dec(&bip->bli_refcount);
@@ -716,7 +733,7 @@ xfs_buf_item_get_format(
         bip->bli_format_count = count;
 
         if (count == 1) {
-                bip->bli_formats = &bip->bli_format;
+                bip->bli_formats = &bip->__bli_format;
                 return 0;
         }
 
@@ -731,7 +748,7 @@ STATIC void
 xfs_buf_item_free_format(
         struct xfs_buf_log_item *bip)
 {
-        if (bip->bli_formats != &bip->bli_format) {
+        if (bip->bli_formats != &bip->__bli_format) {
                 kmem_free(bip->bli_formats);
                 bip->bli_formats = NULL;
         }
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
index 6850f49f4af3..16def435944a 100644
--- a/fs/xfs/xfs_buf_item.h
+++ b/fs/xfs/xfs_buf_item.h
@@ -104,7 +104,7 @@ typedef struct xfs_buf_log_item {
 #endif
         int                     bli_format_count;       /* count of headers */
         struct xfs_buf_log_format *bli_formats; /* array of in-log header ptrs */
-        struct xfs_buf_log_format bli_format;   /* embedded in-log header */
+        struct xfs_buf_log_format __bli_format; /* embedded in-log header */
 } xfs_buf_log_item_t;
 
 void    xfs_buf_item_init(struct xfs_buf *, struct xfs_mount *);
diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c
index 7536faaa61e7..12afe07a91d7 100644
--- a/fs/xfs/xfs_dir2_block.c
+++ b/fs/xfs/xfs_dir2_block.c
@@ -355,10 +355,12 @@ xfs_dir2_block_addname(
         /*
          * If need to compact the leaf entries, do it now.
          */
-        if (compact)
+        if (compact) {
                 xfs_dir2_block_compact(tp, bp, hdr, btp, blp, &needlog,
                                       &lfloghigh, &lfloglow);
-        else if (btp->stale) {
+                /* recalculate blp post-compaction */
+                blp = xfs_dir2_block_leaf_p(btp);
+        } else if (btp->stale) {
                 /*
                  * Set leaf logging boundaries to impossible state.
                  * For the no-stale case they're set explicitly.
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 5f53e75409b8..8a59f8546552 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -784,11 +784,11 @@ xfs_qm_scall_getquota(
              (XFS_IS_OQUOTA_ENFORCED(mp) &&
                         (dst->d_flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)))) &&
             dst->d_id != 0) {
-                if (((int) dst->d_bcount > (int) dst->d_blk_softlimit) &&
+                if ((dst->d_bcount > dst->d_blk_softlimit) &&
                     (dst->d_blk_softlimit > 0)) {
                         ASSERT(dst->d_btimer != 0);
                 }
-                if (((int) dst->d_icount > (int) dst->d_ino_softlimit) &&
+                if ((dst->d_icount > dst->d_ino_softlimit) &&
                     (dst->d_ino_softlimit > 0)) {
                         ASSERT(dst->d_itimer != 0);
                 }
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 4fc17d479d42..3edf5dbee001 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -93,7 +93,7 @@ _xfs_trans_bjoin(
         xfs_buf_item_init(bp, tp->t_mountp);
         bip = bp->b_fspriv;
         ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-        ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
+        ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL));
         ASSERT(!(bip->bli_flags & XFS_BLI_LOGGED));
         if (reset_recur)
                 bip->bli_recur = 0;
@@ -432,7 +432,7 @@ xfs_trans_brelse(xfs_trans_t	*tp,
         bip = bp->b_fspriv;
         ASSERT(bip->bli_item.li_type == XFS_LI_BUF);
         ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-        ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
+        ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL));
         ASSERT(atomic_read(&bip->bli_refcount) > 0);
 
         trace_xfs_trans_brelse(bip);
@@ -519,7 +519,7 @@ xfs_trans_bhold(xfs_trans_t	*tp,
         ASSERT(bp->b_transp == tp);
         ASSERT(bip != NULL);
         ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-        ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
+        ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL));
         ASSERT(atomic_read(&bip->bli_refcount) > 0);
 
         bip->bli_flags |= XFS_BLI_HOLD;
@@ -539,7 +539,7 @@ xfs_trans_bhold_release(xfs_trans_t	*tp,
         ASSERT(bp->b_transp == tp);
         ASSERT(bip != NULL);
         ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-        ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL));
+        ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL));
         ASSERT(atomic_read(&bip->bli_refcount) > 0);
         ASSERT(bip->bli_flags & XFS_BLI_HOLD);
 
@@ -598,7 +598,7 @@ xfs_trans_log_buf(xfs_trans_t	*tp,
                 bip->bli_flags &= ~XFS_BLI_STALE;
                 ASSERT(XFS_BUF_ISSTALE(bp));
                 XFS_BUF_UNSTALE(bp);
-                bip->bli_format.blf_flags &= ~XFS_BLF_CANCEL;
+                bip->__bli_format.blf_flags &= ~XFS_BLF_CANCEL;
         }
 
         tp->t_flags |= XFS_TRANS_DIRTY;
@@ -643,6 +643,7 @@ xfs_trans_binval(
         xfs_buf_t       *bp)
 {
         xfs_buf_log_item_t      *bip = bp->b_fspriv;
+        int                     i;
 
         ASSERT(bp->b_transp == tp);
         ASSERT(bip != NULL);
@@ -657,8 +658,8 @@ xfs_trans_binval(
                  */
                 ASSERT(XFS_BUF_ISSTALE(bp));
                 ASSERT(!(bip->bli_flags & (XFS_BLI_LOGGED | XFS_BLI_DIRTY)));
-                ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_INODE_BUF));
-                ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL);
+                ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_INODE_BUF));
+                ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL);
                 ASSERT(bip->bli_item.li_desc->lid_flags & XFS_LID_DIRTY);
                 ASSERT(tp->t_flags & XFS_TRANS_DIRTY);
                 return;
@@ -668,10 +669,12 @@ xfs_trans_binval(
 
         bip->bli_flags |= XFS_BLI_STALE;
         bip->bli_flags &= ~(XFS_BLI_INODE_BUF | XFS_BLI_LOGGED | XFS_BLI_DIRTY);
-        bip->bli_format.blf_flags &= ~XFS_BLF_INODE_BUF;
-        bip->bli_format.blf_flags |= XFS_BLF_CANCEL;
-        memset((char *)(bip->bli_format.blf_data_map), 0,
-              (bip->bli_format.blf_map_size * sizeof(uint)));
+        bip->__bli_format.blf_flags &= ~XFS_BLF_INODE_BUF;
+        bip->__bli_format.blf_flags |= XFS_BLF_CANCEL;
+        for (i = 0; i < bip->bli_format_count; i++) {
+                memset(bip->bli_formats[i].blf_data_map, 0,
+                       (bip->bli_formats[i].blf_map_size * sizeof(uint)));
+        }
         bip->bli_item.li_desc->lid_flags |= XFS_LID_DIRTY;
         tp->t_flags |= XFS_TRANS_DIRTY;
 }
@@ -775,5 +778,5 @@ xfs_trans_dquot_buf(
                type == XFS_BLF_GDQUOT_BUF);
         ASSERT(atomic_read(&bip->bli_refcount) > 0);
 
-        bip->bli_format.blf_flags |= type;
+        bip->__bli_format.blf_flags |= type;
 }
diff --git a/include/asm-generic/dma-mapping-broken.h b/include/asm-generic/dma-mapping-broken.h
index ccf7b4f34a3c..6c32af918c2f 100644
--- a/include/asm-generic/dma-mapping-broken.h
+++ b/include/asm-generic/dma-mapping-broken.h
@@ -16,6 +16,22 @@ extern void
 dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
                     dma_addr_t dma_handle);
 
+static inline void *dma_alloc_attrs(struct device *dev, size_t size,
+                                    dma_addr_t *dma_handle, gfp_t flag,
+                                    struct dma_attrs *attrs)
+{
+        /* attrs is not supported and ignored */
+        return dma_alloc_coherent(dev, size, dma_handle, flag);
+}
+
+static inline void dma_free_attrs(struct device *dev, size_t size,
+                                  void *cpu_addr, dma_addr_t dma_handle,
+                                  struct dma_attrs *attrs)
+{
+        /* attrs is not supported and ignored */
+        dma_free_coherent(dev, size, cpu_addr, dma_handle);
+}
+
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 701beab27aab..5cf680a98f9b 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -461,10 +461,8 @@ static inline int is_zero_pfn(unsigned long pfn)
         return offset_from_zero_pfn <= (zero_page_mask >> PAGE_SHIFT);
 }
 
-static inline unsigned long my_zero_pfn(unsigned long addr)
-{
-        return page_to_pfn(ZERO_PAGE(addr));
-}
+#define my_zero_pfn(addr)       page_to_pfn(ZERO_PAGE(addr))
+
 #else
 static inline int is_zero_pfn(unsigned long pfn)
 {
diff --git a/include/asm-generic/syscalls.h b/include/asm-generic/syscalls.h
index 58f466ff00d3..1db51b8524e9 100644
--- a/include/asm-generic/syscalls.h
+++ b/include/asm-generic/syscalls.h
@@ -21,10 +21,12 @@ asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
                         unsigned long fd, off_t pgoff);
 #endif
 
+#ifndef CONFIG_GENERIC_SIGALTSTACK
 #ifndef sys_sigaltstack
 asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *,
                         struct pt_regs *);
 #endif
+#endif
 
 #ifndef sys_rt_sigreturn
 asmlinkage long sys_rt_sigreturn(struct pt_regs *regs);
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 408da9502177..8f7a3d68371a 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -297,10 +297,12 @@ enum {
         ATA_LOG_SATA_NCQ        = 0x10,
         ATA_LOG_SATA_ID_DEV_DATA  = 0x30,
         ATA_LOG_SATA_SETTINGS     = 0x08,
-        ATA_LOG_DEVSLP_MDAT       = 0x30,
+        ATA_LOG_DEVSLP_OFFSET     = 0x30,
+        ATA_LOG_DEVSLP_SIZE       = 0x08,
+        ATA_LOG_DEVSLP_MDAT       = 0x00,
         ATA_LOG_DEVSLP_MDAT_MASK  = 0x1F,
-        ATA_LOG_DEVSLP_DETO       = 0x31,
-        ATA_LOG_DEVSLP_VALID      = 0x37,
+        ATA_LOG_DEVSLP_DETO       = 0x01,
+        ATA_LOG_DEVSLP_VALID      = 0x07,
         ATA_LOG_DEVSLP_VALID_MASK = 0x80,
 
         /* READ/WRITE LONG (obsolete) */
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 3711b34dc4f9..24cd1037b6d6 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -126,9 +126,9 @@ struct cpuidle_driver {
         struct module           *owner;
         int                     refcnt;
 
-        unsigned int            power_specified:1;
         /* set to 1 to use the core cpuidle time keeping (for all states). */
         unsigned int            en_core_tk_irqen:1;
+        /* states array must be ordered in decreasing power consumption */
         struct cpuidle_state    states[CPUIDLE_STATE_MAX];
         int                     state_count;
         int                     safe_state_index;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 83ba0ab2c915..649e5f86b5f0 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -652,8 +652,8 @@ struct ata_device {
                 u32             gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */
         };
 
-        /* Identify Device Data Log (30h), SATA Settings (page 08h) */
-        u8                      sata_settings[ATA_SECT_SIZE];
+        /* DEVSLP Timing Variables from Identify Device Data Log */
+        u8                      devslp_timing[ATA_LOG_DEVSLP_SIZE];
 
         /* error history */
         int                     spdn_cnt;
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 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 struct abx500_bm_data ab8500_bm_data;
 
 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 */
-#define SD_IO_3V3               0
-#define SD_IO_1V8               1
-
+/* Output voltage */
+#define OUTPUT_3V3              0
+#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/include/linux/module.h b/include/linux/module.h
index 7760c6d344a3..1375ee3f03aa 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -199,11 +199,11 @@ struct module_use {
         struct module *source, *target;
 };
 
-enum module_state
-{
-        MODULE_STATE_LIVE,
-        MODULE_STATE_COMING,
-        MODULE_STATE_GOING,
+enum module_state {
+        MODULE_STATE_LIVE,      /* Normal state. */
+        MODULE_STATE_COMING,    /* Full formed, running module_init. */
+        MODULE_STATE_GOING,     /* Going away. */
+        MODULE_STATE_UNFORMED,  /* Still setting it up. */
 };
 
 /**
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/ptrace.h b/include/linux/ptrace.h
index 1693775ecfe8..89573a33ab3c 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -45,7 +45,6 @@ extern long arch_ptrace(struct task_struct *child, long request,
 extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len);
 extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len);
 extern void ptrace_disable(struct task_struct *);
-extern int ptrace_check_attach(struct task_struct *task, bool ignore_state);
 extern int ptrace_request(struct task_struct *child, long request,
                           unsigned long addr, unsigned long data);
 extern void ptrace_notify(int exit_code);
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 413cc11e414a..8da67d625e13 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -135,7 +135,7 @@ do {								\
 
 #else
 # define down_read_nested(sem, subclass)                down_read(sem)
-# define down_write_nest_lock(sem, nest_lock)   down_read(sem)
+# define down_write_nest_lock(sem, nest_lock)   down_write(sem)
 # define down_write_nested(sem, subclass)       down_write(sem)
 #endif
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 206bb089c06b..d2112477ff5e 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1810,6 +1810,7 @@ extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut,
 #define PF_MEMALLOC     0x00000800      /* Allocating memory */
 #define PF_NPROC_EXCEEDED 0x00001000    /* set_user noticed that RLIMIT_NPROC was exceeded */
 #define PF_USED_MATH    0x00002000      /* if unset the fpu must be initialized before use */
+#define PF_USED_ASYNC   0x00004000      /* used async_schedule*(), used by module init */
 #define PF_NOFREEZE     0x00008000      /* this thread should not be frozen */
 #define PF_FROZEN       0x00010000      /* frozen for system suspend */
 #define PF_FSTRANS      0x00020000      /* inside a filesystem transaction */
@@ -2713,7 +2714,16 @@ static inline void thread_group_cputime_init(struct signal_struct *sig)
 extern void recalc_sigpending_and_wake(struct task_struct *t);
 extern void recalc_sigpending(void);
 
-extern void signal_wake_up(struct task_struct *t, int resume_stopped);
+extern void signal_wake_up_state(struct task_struct *t, unsigned int state);
+
+static inline void signal_wake_up(struct task_struct *t, bool resume)
+{
+        signal_wake_up_state(t, resume ? TASK_WAKEKILL : 0);
+}
+static inline void ptrace_signal_wake_up(struct task_struct *t, bool resume)
+{
+        signal_wake_up_state(t, resume ? __TASK_TRACED : 0);
+}
 
 /*
  * Wrappers for p->thread_info->cpu access. No-op on UP.
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/target/target_core_base.h b/include/target/target_core_base.h
index 7cae2360221e..663e34a5383f 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -174,6 +174,7 @@ typedef unsigned __bitwise__ sense_reason_t;
 
 enum tcm_sense_reason_table {
 #define R(x)    (__force sense_reason_t )(x)
+        TCM_NO_SENSE                            = R(0x00),
         TCM_NON_EXISTENT_LUN                    = R(0x01),
         TCM_UNSUPPORTED_SCSI_OPCODE             = R(0x02),
         TCM_INCORRECT_AMOUNT_OF_DATA            = R(0x03),
diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h
index 78f99d97475b..2c6c85f18ea0 100644
--- a/include/uapi/linux/serial_core.h
+++ b/include/uapi/linux/serial_core.h
@@ -50,7 +50,8 @@
 #define PORT_LPC3220    22      /* NXP LPC32xx SoC "Standard" UART */
 #define PORT_8250_CIR   23      /* CIR infrared port, has its own driver */
 #define PORT_XR17V35X   24      /* Exar XR17V35x UARTs */
-#define PORT_MAX_8250   24      /* max port ID */
+#define PORT_BRCM_TRUMANAGE     24
+#define PORT_MAX_8250   25      /* max port ID */
 
 /*
  * ARM specific type numbers.  These are not currently guaranteed
diff --git a/init/Kconfig b/init/Kconfig
index 7d30240e5bfe..be8b7f55312d 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1182,7 +1182,7 @@ config CC_OPTIMIZE_FOR_SIZE
           Enabling this option will pass "-Os" instead of "-O2" to gcc
           resulting in a smaller kernel.
 
-          If unsure, say Y.
+          If unsure, say N.
 
 config SYSCTL
         bool
diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index 5e4ded51788e..f9acf71b9810 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -36,6 +36,10 @@ __setup("noinitrd", no_initrd);
 static int init_linuxrc(struct subprocess_info *info, struct cred *new)
 {
         sys_unshare(CLONE_FS | CLONE_FILES);
+        /* stdin/stdout/stderr for /linuxrc */
+        sys_open("/dev/console", O_RDWR, 0);
+        sys_dup(0);
+        sys_dup(0);
         /* move initrd over / and chdir/chroot in initrd root */
         sys_chdir("/root");
         sys_mount(".", "/", NULL, MS_MOVE, NULL);
diff --git a/init/main.c b/init/main.c
index 85d69dffe864..92d728a32d51 100644
--- a/init/main.c
+++ b/init/main.c
@@ -802,7 +802,7 @@ static int run_init_process(const char *init_filename)
                 (const char __user *const __user *)envp_init);
 }
 
-static void __init kernel_init_freeable(void);
+static noinline void __init kernel_init_freeable(void);
 
 static int __ref kernel_init(void *unused)
 {
@@ -845,7 +845,7 @@ static int __ref kernel_init(void *unused)
               "See Linux Documentation/init.txt for guidance.");
 }
 
-static void __init kernel_init_freeable(void)
+static noinline void __init kernel_init_freeable(void)
 {
         /*
          * Wait until kthreadd is all set-up.
diff --git a/kernel/async.c b/kernel/async.c
index 9d3118384858..6f34904a0b53 100644
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -86,18 +86,27 @@ static atomic_t entry_count;
  */
 static async_cookie_t  __lowest_in_progress(struct async_domain *running)
 {
+        async_cookie_t first_running = next_cookie;     /* infinity value */
+        async_cookie_t first_pending = next_cookie;     /* ditto */
         struct async_entry *entry;
 
+        /*
+         * Both running and pending lists are sorted but not disjoint.
+         * Take the first cookies from both and return the min.
+         */
         if (!list_empty(&running->domain)) {
                 entry = list_first_entry(&running->domain, typeof(*entry), list);
-                return entry->cookie;
+                first_running = entry->cookie;
         }
 
-        list_for_each_entry(entry, &async_pending, list)
-                if (entry->running == running)
-                        return entry->cookie;
+        list_for_each_entry(entry, &async_pending, list) {
+                if (entry->running == running) {
+                        first_pending = entry->cookie;
+                        break;
+                }
+        }
 
-        return next_cookie;     /* "infinity" value */
+        return min(first_running, first_pending);
 }
 
 static async_cookie_t  lowest_in_progress(struct async_domain *running)
@@ -118,13 +127,17 @@ static void async_run_entry_fn(struct work_struct *work)
 {
         struct async_entry *entry =
                 container_of(work, struct async_entry, work);
+        struct async_entry *pos;
         unsigned long flags;
         ktime_t uninitialized_var(calltime), delta, rettime;
         struct async_domain *running = entry->running;
 
-        /* 1) move self to the running queue */
+        /* 1) move self to the running queue, make sure it stays sorted */
         spin_lock_irqsave(&async_lock, flags);
-        list_move_tail(&entry->list, &running->domain);
+        list_for_each_entry_reverse(pos, &running->domain, list)
+                if (entry->cookie < pos->cookie)
+                        break;
+        list_move_tail(&entry->list, &pos->list);
         spin_unlock_irqrestore(&async_lock, flags);
 
         /* 2) run (and print duration) */
@@ -196,6 +209,9 @@ static async_cookie_t __async_schedule(async_func_ptr *ptr, void *data, struct a
         atomic_inc(&entry_count);
         spin_unlock_irqrestore(&async_lock, flags);
 
+        /* mark that this task has queued an async job, used by module init */
+        current->flags |= PF_USED_ASYNC;
+
         /* schedule for execution */
         queue_work(system_unbound_wq, &entry->work);
 
diff --git a/kernel/compat.c b/kernel/compat.c
index f6150e92dfc9..36700e9e2be9 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -535,9 +535,11 @@ asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru)
         return 0;
 }
 
-asmlinkage long
-compat_sys_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options,
-        struct compat_rusage __user *ru)
+COMPAT_SYSCALL_DEFINE4(wait4,
+        compat_pid_t, pid,
+        compat_uint_t __user *, stat_addr,
+        int, options,
+        struct compat_rusage __user *, ru)
 {
         if (!ru) {
                 return sys_wait4(pid, stat_addr, options, NULL);
@@ -564,9 +566,10 @@ compat_sys_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options,
         }
 }
 
-asmlinkage long compat_sys_waitid(int which, compat_pid_t pid,
-                struct compat_siginfo __user *uinfo, int options,
-                struct compat_rusage __user *uru)
+COMPAT_SYSCALL_DEFINE5(waitid,
+                int, which, compat_pid_t, pid,
+                struct compat_siginfo __user *, uinfo, int, options,
+                struct compat_rusage __user *, uru)
 {
         siginfo_t info;
         struct rusage ru;
@@ -584,7 +587,11 @@ asmlinkage long compat_sys_waitid(int which, compat_pid_t pid,
                 return ret;
 
         if (uru) {
-                ret = put_compat_rusage(&ru, uru);
+                /* sys_waitid() overwrites everything in ru */
+                if (COMPAT_USE_64BIT_TIME)
+                        ret = copy_to_user(uru, &ru, sizeof(ru));
+                else
+                        ret = put_compat_rusage(&ru, uru);
                 if (ret)
                         return ret;
         }
@@ -994,7 +1001,7 @@ compat_sys_rt_sigtimedwait (compat_sigset_t __user *uthese,
         sigset_from_compat(&s, &s32);
 
         if (uts) {
-                if (get_compat_timespec(&t, uts))
+                if (compat_get_timespec(&t, uts))
                         return -EFAULT;
         }
 
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 4d5f8d5612f3..8875254120b6 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -1970,6 +1970,8 @@ static int kdb_lsmod(int argc, const char **argv)
 
         kdb_printf("Module                  Size  modstruct     Used by\n");
         list_for_each_entry(mod, kdb_modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
 
                 kdb_printf("%-20s%8u  0x%p ", mod->name,
                            mod->core_size, (void *)mod);
diff --git a/kernel/fork.c b/kernel/fork.c
index 65ca6d27f24e..c535f33bbb9c 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1668,8 +1668,10 @@ SYSCALL_DEFINE5(clone, unsigned long, clone_flags, unsigned long, newsp,
                  int, tls_val)
 #endif
 {
-        return do_fork(clone_flags, newsp, 0,
-                parent_tidptr, child_tidptr);
+        long ret = do_fork(clone_flags, newsp, 0, parent_tidptr, child_tidptr);
+        asmlinkage_protect(5, ret, clone_flags, newsp,
+                        parent_tidptr, child_tidptr, tls_val);
+        return ret;
 }
 #endif
 
diff --git a/kernel/module.c b/kernel/module.c
index 250092c1d57d..eab08274ec9b 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -188,6 +188,7 @@ struct load_info {
    ongoing or failed initialization etc. */
 static inline int strong_try_module_get(struct module *mod)
 {
+        BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED);
         if (mod && mod->state == MODULE_STATE_COMING)
                 return -EBUSY;
         if (try_module_get(mod))
@@ -343,6 +344,9 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr,
 #endif
                 };
 
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
+
                 if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data))
                         return true;
         }
@@ -450,16 +454,24 @@ const struct kernel_symbol *find_symbol(const char *name,
 EXPORT_SYMBOL_GPL(find_symbol);
 
 /* Search for module by name: must hold module_mutex. */
-struct module *find_module(const char *name)
+static struct module *find_module_all(const char *name,
+                                      bool even_unformed)
 {
         struct module *mod;
 
         list_for_each_entry(mod, &modules, list) {
+                if (!even_unformed && mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 if (strcmp(mod->name, name) == 0)
                         return mod;
         }
         return NULL;
 }
+
+struct module *find_module(const char *name)
+{
+        return find_module_all(name, false);
+}
 EXPORT_SYMBOL_GPL(find_module);
 
 #ifdef CONFIG_SMP
@@ -525,6 +537,8 @@ bool is_module_percpu_address(unsigned long addr)
         preempt_disable();
 
         list_for_each_entry_rcu(mod, &modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 if (!mod->percpu_size)
                         continue;
                 for_each_possible_cpu(cpu) {
@@ -1048,6 +1062,8 @@ static ssize_t show_initstate(struct module_attribute *mattr,
         case MODULE_STATE_GOING:
                 state = "going";
                 break;
+        default:
+                BUG();
         }
         return sprintf(buffer, "%s\n", state);
 }
@@ -1786,6 +1802,8 @@ void set_all_modules_text_rw(void)
 
         mutex_lock(&module_mutex);
         list_for_each_entry_rcu(mod, &modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 if ((mod->module_core) && (mod->core_text_size)) {
                         set_page_attributes(mod->module_core,
                                                 mod->module_core + mod->core_text_size,
@@ -1807,6 +1825,8 @@ void set_all_modules_text_ro(void)
 
         mutex_lock(&module_mutex);
         list_for_each_entry_rcu(mod, &modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 if ((mod->module_core) && (mod->core_text_size)) {
                         set_page_attributes(mod->module_core,
                                                 mod->module_core + mod->core_text_size,
@@ -2527,6 +2547,13 @@ static int copy_module_from_fd(int fd, struct load_info *info)
                 err = -EFBIG;
                 goto out;
         }
+
+        /* Don't hand 0 to vmalloc, it whines. */
+        if (stat.size == 0) {
+                err = -EINVAL;
+                goto out;
+        }
+
         info->hdr = vmalloc(stat.size);
         if (!info->hdr) {
                 err = -ENOMEM;
@@ -2990,8 +3017,9 @@ static bool finished_loading(const char *name)
         bool ret;
 
         mutex_lock(&module_mutex);
-        mod = find_module(name);
-        ret = !mod || mod->state != MODULE_STATE_COMING;
+        mod = find_module_all(name, true);
+        ret = !mod || mod->state == MODULE_STATE_LIVE
+                || mod->state == MODULE_STATE_GOING;
         mutex_unlock(&module_mutex);
 
         return ret;
@@ -3013,6 +3041,12 @@ static int do_init_module(struct module *mod)
 {
         int ret = 0;
 
+        /*
+         * We want to find out whether @mod uses async during init.  Clear
+         * PF_USED_ASYNC.  async_schedule*() will set it.
+         */
+        current->flags &= ~PF_USED_ASYNC;
+
         blocking_notifier_call_chain(&module_notify_list,
                         MODULE_STATE_COMING, mod);
 
@@ -3058,8 +3092,25 @@ static int do_init_module(struct module *mod)
         blocking_notifier_call_chain(&module_notify_list,
                                      MODULE_STATE_LIVE, mod);
 
-        /* We need to finish all async code before the module init sequence is done */
-        async_synchronize_full();
+        /*
+         * We need to finish all async code before the module init sequence
+         * is done.  This has potential to deadlock.  For example, a newly
+         * detected block device can trigger request_module() of the
+         * default iosched from async probing task.  Once userland helper
+         * reaches here, async_synchronize_full() will wait on the async
+         * task waiting on request_module() and deadlock.
+         *
+         * This deadlock is avoided by perfomring async_synchronize_full()
+         * iff module init queued any async jobs.  This isn't a full
+         * solution as it will deadlock the same if module loading from
+         * async jobs nests more than once; however, due to the various
+         * constraints, this hack seems to be the best option for now.
+         * Please refer to the following thread for details.
+         *
+         * http://thread.gmane.org/gmane.linux.kernel/1420814
+         */
+        if (current->flags & PF_USED_ASYNC)
+                async_synchronize_full();
 
         mutex_lock(&module_mutex);
         /* Drop initial reference. */
@@ -3113,6 +3164,32 @@ static int load_module(struct load_info *info, const char __user *uargs,
                 goto free_copy;
         }
 
+        /*
+         * We try to place it in the list now to make sure it's unique
+         * before we dedicate too many resources.  In particular,
+         * temporary percpu memory exhaustion.
+         */
+        mod->state = MODULE_STATE_UNFORMED;
+again:
+        mutex_lock(&module_mutex);
+        if ((old = find_module_all(mod->name, true)) != NULL) {
+                if (old->state == MODULE_STATE_COMING
+                    || old->state == MODULE_STATE_UNFORMED) {
+                        /* Wait in case it fails to load. */
+                        mutex_unlock(&module_mutex);
+                        err = wait_event_interruptible(module_wq,
+                                               finished_loading(mod->name));
+                        if (err)
+                                goto free_module;
+                        goto again;
+                }
+                err = -EEXIST;
+                mutex_unlock(&module_mutex);
+                goto free_module;
+        }
+        list_add_rcu(&mod->list, &modules);
+        mutex_unlock(&module_mutex);
+
 #ifdef CONFIG_MODULE_SIG
         mod->sig_ok = info->sig_ok;
         if (!mod->sig_ok)
@@ -3122,7 +3199,7 @@ static int load_module(struct load_info *info, const char __user *uargs,
         /* Now module is in final location, initialize linked lists, etc. */
         err = module_unload_init(mod);
         if (err)
-                goto free_module;
+                goto unlink_mod;
 
         /* Now we've got everything in the final locations, we can
          * find optional sections. */
@@ -3157,54 +3234,33 @@ static int load_module(struct load_info *info, const char __user *uargs,
                 goto free_arch_cleanup;
         }
 
-        /* Mark state as coming so strong_try_module_get() ignores us. */
-        mod->state = MODULE_STATE_COMING;
-
-        /* Now sew it into the lists so we can get lockdep and oops
-         * info during argument parsing.  No one should access us, since
-         * strong_try_module_get() will fail.
-         * lockdep/oops can run asynchronous, so use the RCU list insertion
-         * function to insert in a way safe to concurrent readers.
-         * The mutex protects against concurrent writers.
-         */
-again:
-        mutex_lock(&module_mutex);
-        if ((old = find_module(mod->name)) != NULL) {
-                if (old->state == MODULE_STATE_COMING) {
-                        /* Wait in case it fails to load. */
-                        mutex_unlock(&module_mutex);
-                        err = wait_event_interruptible(module_wq,
-                                               finished_loading(mod->name));
-                        if (err)
-                                goto free_arch_cleanup;
-                        goto again;
-                }
-                err = -EEXIST;
-                goto unlock;
-        }
-
-        /* This has to be done once we're sure module name is unique. */
         dynamic_debug_setup(info->debug, info->num_debug);
 
-        /* Find duplicate symbols */
+        mutex_lock(&module_mutex);
+        /* Find duplicate symbols (must be called under lock). */
         err = verify_export_symbols(mod);
         if (err < 0)
-                goto ddebug;
+                goto ddebug_cleanup;
 
+        /* This relies on module_mutex for list integrity. */
         module_bug_finalize(info->hdr, info->sechdrs, mod);
-        list_add_rcu(&mod->list, &modules);
+
+        /* Mark state as coming so strong_try_module_get() ignores us,
+         * but kallsyms etc. can see us. */
+        mod->state = MODULE_STATE_COMING;
+
         mutex_unlock(&module_mutex);
 
         /* Module is ready to execute: parsing args may do that. */
         err = parse_args(mod->name, mod->args, mod->kp, mod->num_kp,
                          -32768, 32767, &ddebug_dyndbg_module_param_cb);
         if (err < 0)
-                goto unlink;
+                goto bug_cleanup;
 
         /* Link in to syfs. */
         err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp);
         if (err < 0)
-                goto unlink;
+                goto bug_cleanup;
 
         /* Get rid of temporary copy. */
         free_copy(info);
@@ -3214,16 +3270,13 @@ again:
 
         return do_init_module(mod);
 
- unlink:
+ bug_cleanup:
+        /* module_bug_cleanup needs module_mutex protection */
         mutex_lock(&module_mutex);
-        /* Unlink carefully: kallsyms could be walking list. */
-        list_del_rcu(&mod->list);
         module_bug_cleanup(mod);
-        wake_up_all(&module_wq);
- ddebug:
-        dynamic_debug_remove(info->debug);
- unlock:
+ ddebug_cleanup:
         mutex_unlock(&module_mutex);
+        dynamic_debug_remove(info->debug);
         synchronize_sched();
         kfree(mod->args);
  free_arch_cleanup:
@@ -3232,6 +3285,12 @@ again:
         free_modinfo(mod);
  free_unload:
         module_unload_free(mod);
+ unlink_mod:
+        mutex_lock(&module_mutex);
+        /* Unlink carefully: kallsyms could be walking list. */
+        list_del_rcu(&mod->list);
+        wake_up_all(&module_wq);
+        mutex_unlock(&module_mutex);
  free_module:
         module_deallocate(mod, info);
  free_copy:
@@ -3354,6 +3413,8 @@ const char *module_address_lookup(unsigned long addr,
 
         preempt_disable();
         list_for_each_entry_rcu(mod, &modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 if (within_module_init(addr, mod) ||
                     within_module_core(addr, mod)) {
                         if (modname)
@@ -3377,6 +3438,8 @@ int lookup_module_symbol_name(unsigned long addr, char *symname)
 
         preempt_disable();
         list_for_each_entry_rcu(mod, &modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 if (within_module_init(addr, mod) ||
                     within_module_core(addr, mod)) {
                         const char *sym;
@@ -3401,6 +3464,8 @@ int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size,
 
         preempt_disable();
         list_for_each_entry_rcu(mod, &modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 if (within_module_init(addr, mod) ||
                     within_module_core(addr, mod)) {
                         const char *sym;
@@ -3428,6 +3493,8 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type,
 
         preempt_disable();
         list_for_each_entry_rcu(mod, &modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 if (symnum < mod->num_symtab) {
                         *value = mod->symtab[symnum].st_value;
                         *type = mod->symtab[symnum].st_info;
@@ -3470,9 +3537,12 @@ unsigned long module_kallsyms_lookup_name(const char *name)
                         ret = mod_find_symname(mod, colon+1);
                 *colon = ':';
         } else {
-                list_for_each_entry_rcu(mod, &modules, list)
+                list_for_each_entry_rcu(mod, &modules, list) {
+                        if (mod->state == MODULE_STATE_UNFORMED)
+                                continue;
                         if ((ret = mod_find_symname(mod, name)) != 0)
                                 break;
+                }
         }
         preempt_enable();
         return ret;
@@ -3487,6 +3557,8 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
         int ret;
 
         list_for_each_entry(mod, &modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 for (i = 0; i < mod->num_symtab; i++) {
                         ret = fn(data, mod->strtab + mod->symtab[i].st_name,
                                  mod, mod->symtab[i].st_value);
@@ -3502,6 +3574,7 @@ static char *module_flags(struct module *mod, char *buf)
 {
         int bx = 0;
 
+        BUG_ON(mod->state == MODULE_STATE_UNFORMED);
         if (mod->taints ||
             mod->state == MODULE_STATE_GOING ||
             mod->state == MODULE_STATE_COMING) {
@@ -3543,6 +3616,10 @@ static int m_show(struct seq_file *m, void *p)
         struct module *mod = list_entry(p, struct module, list);
         char buf[8];
 
+        /* We always ignore unformed modules. */
+        if (mod->state == MODULE_STATE_UNFORMED)
+                return 0;
+
         seq_printf(m, "%s %u",
                    mod->name, mod->init_size + mod->core_size);
         print_unload_info(m, mod);
@@ -3603,6 +3680,8 @@ const struct exception_table_entry *search_module_extables(unsigned long addr)
 
         preempt_disable();
         list_for_each_entry_rcu(mod, &modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 if (mod->num_exentries == 0)
                         continue;
 
@@ -3651,10 +3730,13 @@ struct module *__module_address(unsigned long addr)
         if (addr < module_addr_min || addr > module_addr_max)
                 return NULL;
 
-        list_for_each_entry_rcu(mod, &modules, list)
+        list_for_each_entry_rcu(mod, &modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 if (within_module_core(addr, mod)
                     || within_module_init(addr, mod))
                         return mod;
+        }
         return NULL;
 }
 EXPORT_SYMBOL_GPL(__module_address);
@@ -3707,8 +3789,11 @@ void print_modules(void)
         printk(KERN_DEFAULT "Modules linked in:");
         /* Most callers should already have preempt disabled, but make sure */
         preempt_disable();
-        list_for_each_entry_rcu(mod, &modules, list)
+        list_for_each_entry_rcu(mod, &modules, list) {
+                if (mod->state == MODULE_STATE_UNFORMED)
+                        continue;
                 printk(" %s%s", mod->name, module_flags(mod, buf));
+        }
         preempt_enable();
         if (last_unloaded_module[0])
                 printk(" [last unloaded: %s]", last_unloaded_module);
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 1599157336a6..6cbeaae4406d 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -117,11 +117,45 @@ void __ptrace_unlink(struct task_struct *child)
          * TASK_KILLABLE sleeps.
          */
         if (child->jobctl & JOBCTL_STOP_PENDING || task_is_traced(child))
-                signal_wake_up(child, task_is_traced(child));
+                ptrace_signal_wake_up(child, true);
 
         spin_unlock(&child->sighand->siglock);
 }
 
+/* Ensure that nothing can wake it up, even SIGKILL */
+static bool ptrace_freeze_traced(struct task_struct *task)
+{
+        bool ret = false;
+
+        /* Lockless, nobody but us can set this flag */
+        if (task->jobctl & JOBCTL_LISTENING)
+                return ret;
+
+        spin_lock_irq(&task->sighand->siglock);
+        if (task_is_traced(task) && !__fatal_signal_pending(task)) {
+                task->state = __TASK_TRACED;
+                ret = true;
+        }
+        spin_unlock_irq(&task->sighand->siglock);
+
+        return ret;
+}
+
+static void ptrace_unfreeze_traced(struct task_struct *task)
+{
+        if (task->state != __TASK_TRACED)
+                return;
+
+        WARN_ON(!task->ptrace || task->parent != current);
+
+        spin_lock_irq(&task->sighand->siglock);
+        if (__fatal_signal_pending(task))
+                wake_up_state(task, __TASK_TRACED);
+        else
+                task->state = TASK_TRACED;
+        spin_unlock_irq(&task->sighand->siglock);
+}
+
 /**
  * ptrace_check_attach - check whether ptracee is ready for ptrace operation
  * @child: ptracee to check for
@@ -139,7 +173,7 @@ void __ptrace_unlink(struct task_struct *child)
  * RETURNS:
  * 0 on success, -ESRCH if %child is not ready.
  */
-int ptrace_check_attach(struct task_struct *child, bool ignore_state)
+static int ptrace_check_attach(struct task_struct *child, bool ignore_state)
 {
         int ret = -ESRCH;
 
@@ -151,24 +185,29 @@ int ptrace_check_attach(struct task_struct *child, bool ignore_state)
          * be changed by us so it's not changing right after this.
          */
         read_lock(&tasklist_lock);
-        if ((child->ptrace & PT_PTRACED) && child->parent == current) {
+        if (child->ptrace && child->parent == current) {
+                WARN_ON(child->state == __TASK_TRACED);
                 /*
                  * child->sighand can't be NULL, release_task()
                  * does ptrace_unlink() before __exit_signal().
                  */
-                spin_lock_irq(&child->sighand->siglock);
-                WARN_ON_ONCE(task_is_stopped(child));
-                if (ignore_state || (task_is_traced(child) &&
-                                     !(child->jobctl & JOBCTL_LISTENING)))
+                if (ignore_state || ptrace_freeze_traced(child))
                         ret = 0;
-                spin_unlock_irq(&child->sighand->siglock);
         }
         read_unlock(&tasklist_lock);
 
-        if (!ret && !ignore_state)
-                ret = wait_task_inactive(child, TASK_TRACED) ? 0 : -ESRCH;
+        if (!ret && !ignore_state) {
+                if (!wait_task_inactive(child, __TASK_TRACED)) {
+                        /*
+                         * This can only happen if may_ptrace_stop() fails and
+                         * ptrace_stop() changes ->state back to TASK_RUNNING,
+                         * so we should not worry about leaking __TASK_TRACED.
+                         */
+                        WARN_ON(child->state == __TASK_TRACED);
+                        ret = -ESRCH;
+                }
+        }
 
-        /* All systems go.. */
         return ret;
 }
 
@@ -317,7 +356,7 @@ static int ptrace_attach(struct task_struct *task, long request,
          */
         if (task_is_stopped(task) &&
             task_set_jobctl_pending(task, JOBCTL_TRAP_STOP | JOBCTL_TRAPPING))
-                signal_wake_up(task, 1);
+                signal_wake_up_state(task, __TASK_STOPPED);
 
         spin_unlock(&task->sighand->siglock);
 
@@ -737,7 +776,7 @@ int ptrace_request(struct task_struct *child, long request,
                  * tracee into STOP.
                  */
                 if (likely(task_set_jobctl_pending(child, JOBCTL_TRAP_STOP)))
-                        signal_wake_up(child, child->jobctl & JOBCTL_LISTENING);
+                        ptrace_signal_wake_up(child, child->jobctl & JOBCTL_LISTENING);
 
                 unlock_task_sighand(child, &flags);
                 ret = 0;
@@ -763,7 +802,7 @@ int ptrace_request(struct task_struct *child, long request,
                          * start of this trap and now.  Trigger re-trap.
                          */
                         if (child->jobctl & JOBCTL_TRAP_NOTIFY)
-                                signal_wake_up(child, true);
+                                ptrace_signal_wake_up(child, true);
                         ret = 0;
                 }
                 unlock_task_sighand(child, &flags);
@@ -900,6 +939,8 @@ SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr,
                 goto out_put_task_struct;
 
         ret = arch_ptrace(child, request, addr, data);
+        if (ret || request != PTRACE_DETACH)
+                ptrace_unfreeze_traced(child);
 
  out_put_task_struct:
         put_task_struct(child);
@@ -1039,8 +1080,11 @@ asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
 
         ret = ptrace_check_attach(child, request == PTRACE_KILL ||
                                   request == PTRACE_INTERRUPT);
-        if (!ret)
+        if (!ret) {
                 ret = compat_arch_ptrace(child, request, addr, data);
+                if (ret || request != PTRACE_DETACH)
+                        ptrace_unfreeze_traced(child);
+        }
 
  out_put_task_struct:
         put_task_struct(child);
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 257002c13bb0..26058d0bebba 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1523,7 +1523,8 @@ out:
  */
 int wake_up_process(struct task_struct *p)
 {
-        return try_to_wake_up(p, TASK_ALL, 0);
+        WARN_ON(task_is_stopped_or_traced(p));
+        return try_to_wake_up(p, TASK_NORMAL, 0);
 }
 EXPORT_SYMBOL(wake_up_process);
 
diff --git a/kernel/signal.c b/kernel/signal.c
index 372771e948c2..3d09cf6cde75 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -680,23 +680,17 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info)
  * No need to set need_resched since signal event passing
  * goes through ->blocked
  */
-void signal_wake_up(struct task_struct *t, int resume)
+void signal_wake_up_state(struct task_struct *t, unsigned int state)
 {
-        unsigned int mask;
-
         set_tsk_thread_flag(t, TIF_SIGPENDING);
-
         /*
-         * For SIGKILL, we want to wake it up in the stopped/traced/killable
+         * TASK_WAKEKILL also means wake it up in the stopped/traced/killable
          * case. We don't check t->state here because there is a race with it
          * executing another processor and just now entering stopped state.
          * By using wake_up_state, we ensure the process will wake up and
          * handle its death signal.
          */
-        mask = TASK_INTERRUPTIBLE;
-        if (resume)
-                mask |= TASK_WAKEKILL;
-        if (!wake_up_state(t, mask))
+        if (!wake_up_state(t, state | TASK_INTERRUPTIBLE))
                 kick_process(t);
 }
 
@@ -844,7 +838,7 @@ static void ptrace_trap_notify(struct task_struct *t)
         assert_spin_locked(&t->sighand->siglock);
 
         task_set_jobctl_pending(t, JOBCTL_TRAP_NOTIFY);
-        signal_wake_up(t, t->jobctl & JOBCTL_LISTENING);
+        ptrace_signal_wake_up(t, t->jobctl & JOBCTL_LISTENING);
 }
 
 /*
@@ -1800,6 +1794,10 @@ static inline int may_ptrace_stop(void)
          * If SIGKILL was already sent before the caller unlocked
          * ->siglock we must see ->core_state != NULL. Otherwise it
          * is safe to enter schedule().
+         *
+         * This is almost outdated, a task with the pending SIGKILL can't
+         * block in TASK_TRACED. But PTRACE_EVENT_EXIT can be reported
+         * after SIGKILL was already dequeued.
          */
         if (unlikely(current->mm->core_state) &&
             unlikely(current->mm == current->parent->mm))
@@ -1925,6 +1923,7 @@ static void ptrace_stop(int exit_code, int why, int clear_code, siginfo_t *info)
                 if (gstop_done)
                         do_notify_parent_cldstop(current, false, why);
 
+                /* tasklist protects us from ptrace_freeze_traced() */
                 __set_current_state(TASK_RUNNING);
                 if (clear_code)
                         current->exit_code = 0;
@@ -3116,8 +3115,9 @@ int __save_altstack(stack_t __user *uss, unsigned long sp)
 
 #ifdef CONFIG_COMPAT
 #ifdef CONFIG_GENERIC_SIGALTSTACK
-asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr,
-                                       compat_stack_t __user *uoss_ptr)
+COMPAT_SYSCALL_DEFINE2(sigaltstack,
+                        const compat_stack_t __user *, uss_ptr,
+                        compat_stack_t __user *, uoss_ptr)
 {
         stack_t uss, uoss;
         int ret;
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 3ffe4c5ad3f3..41473b4ad7a4 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3998,7 +3998,7 @@ static int ftrace_module_notify(struct notifier_block *self,
 
 struct notifier_block ftrace_module_nb = {
         .notifier_call = ftrace_module_notify,
-        .priority = 0,
+        .priority = INT_MAX,    /* Run before anything that can use kprobes */
 };
 
 extern unsigned long __start_mcount_loc[];
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 1bbfa0446507..3c13e46d7d24 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3454,7 +3454,7 @@ static int tracing_wait_pipe(struct file *filp)
                         return -EINTR;
 
                 /*
-                 * We block until we read something and tracing is enabled.
+                 * We block until we read something and tracing is disabled.
                  * We still block if tracing is disabled, but we have never
                  * read anything. This allows a user to cat this file, and
                  * then enable tracing. But after we have read something,
@@ -3462,7 +3462,7 @@ static int tracing_wait_pipe(struct file *filp)
                  *
                  * iter->pos will be 0 if we haven't read anything.
                  */
-                if (tracing_is_enabled() && iter->pos)
+                if (!tracing_is_enabled() && iter->pos)
                         break;
         }
 
@@ -4817,10 +4817,17 @@ rb_simple_write(struct file *filp, const char __user *ubuf,
                 return ret;
 
         if (buffer) {
-                if (val)
+                mutex_lock(&trace_types_lock);
+                if (val) {
                         ring_buffer_record_on(buffer);
-                else
+                        if (current_trace->start)
+                                current_trace->start(tr);
+                } else {
                         ring_buffer_record_off(buffer);
+                        if (current_trace->stop)
+                                current_trace->stop(tr);
+                }
+                mutex_unlock(&trace_types_lock);
         }
 
         (*ppos)++;
diff --git a/lib/bug.c b/lib/bug.c
index a28c1415357c..d0cdf14c651a 100644
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -55,6 +55,7 @@ static inline unsigned long bug_addr(const struct bug_entry *bug)
 }
 
 #ifdef CONFIG_MODULES
+/* Updates are protected by module mutex */
 static LIST_HEAD(module_bug_list);
 
 static const struct bug_entry *module_find_bug(unsigned long bugaddr)
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 7485a78484ff..ea0bd31d41c2 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/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/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 801e02355ec4..00a14b9864ea 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -965,8 +965,12 @@ 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 bbbdcc5c1973..5a1cfc692df0 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) &&
-            type != ICMP_DEST_UNREACH &&
-            code != ICMP_FRAG_NEEDED)
-                NET_INC_STATS_BH(net, LINUX_MIB_LOCKDROPPEDICMPS);
-
+        if (sock_owned_by_user(sk)) {
+                if (!(type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED))
+                        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 e0610e4b5158..6791aac06ea9 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1977,6 +1977,7 @@ 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 7dea45af66d3..906b7e6dd7fb 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1190,10 +1190,10 @@ 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 acc32494006a..351ce98e90d9 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1766,6 +1766,9 @@ 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/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/device_cgroup.c b/security/device_cgroup.c
index 19ecc8de9e6b..d794abcc4b3b 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -215,7 +215,9 @@ static void devcgroup_css_free(struct cgroup *cgroup)
         struct dev_cgroup *dev_cgroup;
 
         dev_cgroup = cgroup_to_devcgroup(cgroup);
+        mutex_lock(&devcgroup_mutex);
         dev_exception_clean(dev_cgroup);
+        mutex_unlock(&devcgroup_mutex);
         kfree(dev_cgroup);
 }
 
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index dfb26918699c..7dd538ef5b83 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -205,9 +205,9 @@ int evm_update_evmxattr(struct dentry *dentry, const char *xattr_name,
                 rc = __vfs_setxattr_noperm(dentry, XATTR_NAME_EVM,
                                            &xattr_data,
                                            sizeof(xattr_data), 0);
-        }
-        else if (rc == -ENODATA)
+        } else if (rc == -ENODATA && inode->i_op->removexattr) {
                 rc = inode->i_op->removexattr(dentry, XATTR_NAME_EVM);
+        }
         return rc;
 }
 
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index b8fb0a5adb9b..822df971972c 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -3654,6 +3654,7 @@ static void hda_call_codec_resume(struct hda_codec *codec)
         hda_set_power_state(codec, AC_PWRST_D0);
         restore_shutup_pins(codec);
         hda_exec_init_verbs(codec);
+        snd_hda_jack_set_dirty_all(codec);
         if (codec->patch_ops.resume)
                 codec->patch_ops.resume(codec);
         else {
@@ -3665,10 +3666,8 @@ static void hda_call_codec_resume(struct hda_codec *codec)
 
         if (codec->jackpoll_interval)
                 hda_jackpoll_work(&codec->jackpoll_work.work);
-        else {
-                snd_hda_jack_set_dirty_all(codec);
+        else
                 snd_hda_jack_report_sync(codec);
-        }
 
         codec->in_pm = 0;
         snd_hda_power_down(codec); /* flag down before returning */
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index dd798c3196ff..009b77a693cf 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -4636,6 +4636,12 @@ static const struct hda_codec_preset snd_hda_preset_conexant[] = {
           .patch = patch_conexant_auto },
         { .id = 0x14f15111, .name = "CX20753/4",
           .patch = patch_conexant_auto },
+        { .id = 0x14f15113, .name = "CX20755",
+          .patch = patch_conexant_auto },
+        { .id = 0x14f15114, .name = "CX20756",
+          .patch = patch_conexant_auto },
+        { .id = 0x14f15115, .name = "CX20757",
+          .patch = patch_conexant_auto },
         {} /* terminator */
 };
 
@@ -4659,6 +4665,9 @@ MODULE_ALIAS("snd-hda-codec-id:14f150b9");
 MODULE_ALIAS("snd-hda-codec-id:14f1510f");
 MODULE_ALIAS("snd-hda-codec-id:14f15110");
 MODULE_ALIAS("snd-hda-codec-id:14f15111");
+MODULE_ALIAS("snd-hda-codec-id:14f15113");
+MODULE_ALIAS("snd-hda-codec-id:14f15114");
+MODULE_ALIAS("snd-hda-codec-id:14f15115");
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Conexant HD-audio codec");
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index b6c21ea187ca..807a2aa1ff38 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1502,7 +1502,7 @@ static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
         ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
         substream = snd_pcm_chmap_substream(info, ctl_idx);
         if (!substream || !substream->runtime)
-                return -EBADFD;
+                return 0; /* just for avoiding error from alsactl restore */
         switch (substream->runtime->status->state) {
         case SNDRV_PCM_STATE_OPEN:
         case SNDRV_PCM_STATE_SETUP:
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f5196277b6e9..cf3886171109 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6251,6 +6251,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
         SND_PCI_QUIRK(0x1025, 0x0349, "Acer AOD260", ALC269_FIXUP_INV_DMIC),
         SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_MIC2_MUTE_LED),
         SND_PCI_QUIRK(0x103c, 0x1972, "HP Pavilion 17", ALC269_FIXUP_MIC1_MUTE_LED),
+        SND_PCI_QUIRK(0x103c, 0x1977, "HP Pavilion 14", ALC269_FIXUP_MIC1_MUTE_LED),
         SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_DMIC),
         SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_DMIC),
         SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW),
@@ -6265,6 +6266,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
         SND_PCI_QUIRK(0x104d, 0x9084, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ),
         SND_PCI_QUIRK_VENDOR(0x104d, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),
         SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
+        SND_PCI_QUIRK(0x1025, 0x0740, "Acer AO725", ALC271_FIXUP_HP_GATE_MIC_JACK),
         SND_PCI_QUIRK(0x1025, 0x0742, "Acer AO756", ALC271_FIXUP_HP_GATE_MIC_JACK),
         SND_PCI_QUIRK_VENDOR(0x1025, "Acer Aspire", ALC271_FIXUP_DMIC),
         SND_PCI_QUIRK(0x10cf, 0x1475, "Lifebook", ALC269_FIXUP_LIFEBOOK),
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index e71fe55cebef..0e2ed3d05c45 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -179,6 +179,15 @@ static struct usbmix_name_map audigy2nx_map[] = {
         { 0 } /* terminator */
 };
 
+static struct usbmix_selector_map c400_selectors[] = {
+        {
+                .id = 0x80,
+                .count = 2,
+                .names = (const char*[]) {"Internal", "SPDIF"}
+        },
+        { 0 } /* terminator */
+};
+
 static struct usbmix_selector_map audigy2nx_selectors[] = {
         {
                 .id = 14, /* Capture Source */
@@ -367,6 +376,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
                 .map = hercules_usb51_map,
         },
         {
+                .id = USB_ID(0x0763, 0x2030),
+                .selector_map = c400_selectors,
+        },
+        {
                 .id = USB_ID(0x08bb, 0x2702),
                 .map = linex_map,
                 .ignore_ctl_error = 1,
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 78e845ec65da..64d25a7a4d59 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2289,7 +2289,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
                                         .rate_table = (unsigned int[]) {
                                                         44100, 48000, 88200, 96000
                                         },
-                                        .clock = 0x81,
+                                        .clock = 0x80,
                                 }
                         },
                         /* Capture */
@@ -2315,7 +2315,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
                                         .rate_table = (unsigned int[]) {
                                                 44100, 48000, 88200, 96000
                                         },
-                                        .clock = 0x81,
+                                        .clock = 0x80,
                                 }
                         },
                         /* MIDI */
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index acc12f004c23..2c971858d6b7 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -387,11 +387,13 @@ static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
                  * rules
                  */
                 err = usb_driver_set_configuration(dev, 2);
-                if (err < 0) {
+                if (err < 0)
                         snd_printdd("error usb_driver_set_configuration: %d\n",
                                     err);
-                        return -ENODEV;
-                }
+                /* Always return an error, so that we stop creating a device
+                   that will just be destroyed and recreated with a new
+                   configuration */
+                return -ENODEV;
         } else
                 snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n");
 
@@ -859,6 +861,17 @@ void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
         if ((le16_to_cpu(ep->chip->dev->descriptor.idVendor) == 0x23ba) &&
             ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
                 ep->skip_packets = 4;
+
+        /*
+         * M-Audio Fast Track C400 - when packets are not skipped, real world
+         * latency varies by approx. +/- 50 frames (at 96KHz) each time the
+         * stream is (re)started. When skipping packets 16 at endpoint start
+         * up, the real world latency is stable within +/- 1 frame (also
+         * across power cycles).
+         */
+        if (ep->chip->usb_id == USB_ID(0x0763, 0x2030) &&
+            ep->type == SND_USB_ENDPOINT_TYPE_DATA)
+                ep->skip_packets = 16;
 }
 
 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index 80db3f4bcf7a..39d41068484f 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -11,11 +11,21 @@ lib/rbtree.c
 include/linux/swab.h
 arch/*/include/asm/unistd*.h
 arch/*/include/asm/perf_regs.h
+arch/*/include/uapi/asm/unistd*.h
+arch/*/include/uapi/asm/perf_regs.h
 arch/*/lib/memcpy*.S
 arch/*/lib/memset*.S
 include/linux/poison.h
 include/linux/magic.h
 include/linux/hw_breakpoint.h
+include/linux/rbtree_augmented.h
+include/uapi/linux/perf_event.h
+include/uapi/linux/const.h
+include/uapi/linux/swab.h
+include/uapi/linux/hw_breakpoint.h
 arch/x86/include/asm/svm.h
 arch/x86/include/asm/vmx.h
 arch/x86/include/asm/kvm_host.h
+arch/x86/include/uapi/asm/svm.h
+arch/x86/include/uapi/asm/vmx.h
+arch/x86/include/uapi/asm/kvm.h
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 891bc77bdb2c..8ab05e543ef4 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -58,7 +58,7 @@ ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
                                   -e s/arm.*/arm/ -e s/sa110/arm/ \
                                   -e s/s390x/s390/ -e s/parisc64/parisc/ \
                                   -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-                                  -e s/sh[234].*/sh/ )
+                                  -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
 NO_PERF_REGS := 1
 
 CC = $(CROSS_COMPILE)gcc