254 files changed, 2657 insertions, 1943 deletions
diff --git a/Documentation/devicetree/bindings/mtd/atmel-nand.txt b/Documentation/devicetree/bindings/mtd/atmel-nand.txt
index 5903ecf6e895..a20069502f5a 100644
--- a/Documentation/devicetree/bindings/mtd/atmel-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/atmel-nand.txt
@@ -27,13 +27,13 @@ nand0: nand@40000000,0 {
        reg = <0x40000000 0x10000000
               0xffffe800 0x200
              >;
-        atmel,nand-addr-offset = <21>;
+        atmel,nand-addr-offset = <21>;  /* ale */
-        atmel,nand-cmd-offset = <22>;
+        atmel,nand-cmd-offset = <22>;   /* cle */
        nand-on-flash-bbt;
        nand-ecc-mode = "soft";
-        gpios = <&pioC 13 0
+        gpios = <&pioC 13 0     /* rdy */
-                 &pioC 14 0
+                 &pioC 14 0     /* nce */
-                 0
+                 0              /* cd */
                >;
        partition@0 {
                ...
diff --git a/Documentation/networking/driver.txt b/Documentation/networking/driver.txt
index 03283daa64fe..da59e2884130 100644
--- a/Documentation/networking/driver.txt
+++ b/Documentation/networking/driver.txt
@@ -2,16 +2,16 @@ Document about softnet driver issues
 Transmit path guidelines:
-1) The hard_start_xmit method must never return '1' under any
+1) The ndo_start_xmit method must not return NETDEV_TX_BUSY under
-   normal circumstances.  It is considered a hard error unless
+   any normal circumstances.  It is considered a hard error unless
   there is no way your device can tell ahead of time when it's
   transmit function will become busy.
   Instead it must maintain the queue properly.  For example,
   for a driver implementing scatter-gather this means:
-        static int drv_hard_start_xmit(struct sk_buff *skb,
+        static netdev_tx_t drv_hard_start_xmit(struct sk_buff *skb,
-                                       struct net_device *dev)
+                                               struct net_device *dev)
        {
                struct drv *dp = netdev_priv(dev);
@@ -23,7 +23,7 @@ Transmit path guidelines:
                        unlock_tx(dp);
                        printk(KERN_ERR PFX "%s: BUG! Tx Ring full when queue awake!\n",
                               dev->name);
-                        return 1;
+                        return NETDEV_TX_BUSY;
                }
                ... queue packet to card ...
@@ -35,6 +35,7 @@ Transmit path guidelines:
                ...
                unlock_tx(dp);
                ...
+                return NETDEV_TX_OK;
        }
   And then at the end of your TX reclamation event handling:
@@ -58,15 +59,12 @@ Transmit path guidelines:
            TX_BUFFS_AVAIL(dp) > 0)
                netif_wake_queue(dp->dev);
-2) Do not forget to update netdev->trans_start to jiffies after
+2) An ndo_start_xmit method must not modify the shared parts of a
-   each new tx packet is given to the hardware.
-3) A hard_start_xmit method must not modify the shared parts of a
   cloned SKB.
-4) Do not forget that once you return 0 from your hard_start_xmit
+3) Do not forget that once you return NETDEV_TX_OK from your
-   method, it is your driver's responsibility to free up the SKB
+   ndo_start_xmit method, it is your driver's responsibility to free
-   and in some finite amount of time.
+   up the SKB and in some finite amount of time.
   For example, this means that it is not allowed for your TX
   mitigation scheme to let TX packets "hang out" in the TX
@@ -74,8 +72,9 @@ Transmit path guidelines:
   This error can deadlock sockets waiting for send buffer room
   to be freed up.
-   If you return 1 from the hard_start_xmit method, you must not keep
+   If you return NETDEV_TX_BUSY from the ndo_start_xmit method, you
-   any reference to that SKB and you must not attempt to free it up.
+   must not keep any reference to that SKB and you must not attempt
+   to free it up.
 Probing guidelines:
@@ -85,10 +84,10 @@ Probing guidelines:
 Close/stop guidelines:
-1) After the dev->stop routine has been called, the hardware must
+1) After the ndo_stop routine has been called, the hardware must
   not receive or transmit any data.  All in flight packets must
   be aborted. If necessary, poll or wait for completion of 
   any reset commands.
-2) The dev->stop routine will be called by unregister_netdevice
+2) The ndo_stop routine will be called by unregister_netdevice
   if device is still UP.
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index ad3e80e17b4f..bd80ba5847d2 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -604,15 +604,8 @@ IP Variables:
 ip_local_port_range - 2 INTEGERS
        Defines the local port range that is used by TCP and UDP to
        choose the local port. The first number is the first, the
-        second the last local port number. Default value depends on
+        second the last local port number. The default values are
-        amount of memory available on the system:
+        32768 and 61000 respectively.
-        > 128Mb 32768-61000
-        < 128Mb 1024-4999 or even less.
-        This number defines number of active connections, which this
-        system can issue simultaneously to systems not supporting
-        TCP extensions (timestamps). With tcp_tw_recycle enabled
-        (i.e. by default) range 1024-4999 is enough to issue up to
-        2000 connections per second to systems supporting timestamps.
 ip_local_reserved_ports - list of comma separated ranges
        Specify the ports which are reserved for known third-party
diff --git a/Documentation/networking/netdevices.txt b/Documentation/networking/netdevices.txt
index 89358341682a..c7ecc7080494 100644
--- a/Documentation/networking/netdevices.txt
+++ b/Documentation/networking/netdevices.txt
@@ -47,26 +47,25 @@ packets is preferred.
 struct net_device synchronization rules
 =======================================
-dev->open:
+ndo_open:
        Synchronization: rtnl_lock() semaphore.
        Context: process
-dev->stop:
+ndo_stop:
        Synchronization: rtnl_lock() semaphore.
        Context: process
-        Note1: netif_running() is guaranteed false
+        Note: netif_running() is guaranteed false
-        Note2: dev->poll() is guaranteed to be stopped
-dev->do_ioctl:
+ndo_do_ioctl:
        Synchronization: rtnl_lock() semaphore.
        Context: process
-dev->get_stats:
+ndo_get_stats:
        Synchronization: dev_base_lock rwlock.
        Context: nominally process, but don't sleep inside an rwlock
-dev->hard_start_xmit:
+ndo_start_xmit:
-        Synchronization: netif_tx_lock spinlock.
+        Synchronization: __netif_tx_lock spinlock.
        When the driver sets NETIF_F_LLTX in dev->features this will be
        called without holding netif_tx_lock. In this case the driver
@@ -87,20 +86,20 @@ dev->hard_start_xmit:
        o NETDEV_TX_LOCKED Locking failed, please retry quickly.
          Only valid when NETIF_F_LLTX is set.
-dev->tx_timeout:
+ndo_tx_timeout:
-        Synchronization: netif_tx_lock spinlock.
+        Synchronization: netif_tx_lock spinlock; all TX queues frozen.
        Context: BHs disabled
        Notes: netif_queue_stopped() is guaranteed true
-dev->set_rx_mode:
+ndo_set_rx_mode:
-        Synchronization: netif_tx_lock spinlock.
+        Synchronization: netif_addr_lock spinlock.
        Context: BHs disabled
 struct napi_struct synchronization rules
 ========================================
 napi->poll:
        Synchronization: NAPI_STATE_SCHED bit in napi->state.  Device
-                driver's dev->close method will invoke napi_disable() on
+                driver's ndo_stop method will invoke napi_disable() on
                all NAPI instances which will do a sleeping poll on the
                NAPI_STATE_SCHED napi->state bit, waiting for all pending
                NAPI activity to cease.
diff --git a/MAINTAINERS b/MAINTAINERS
index 962232d62781..2dcfca850639 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -228,7 +228,7 @@ M:	Len Brown <lenb@kernel.org>
 L:      linux-acpi@vger.kernel.org
 W:      http://www.lesswatts.org/projects/acpi/
 Q:      http://patchwork.kernel.org/project/linux-acpi/list/
-T:      git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6.git
+T:      git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
 S:      Supported
 F:      drivers/acpi/
 F:      drivers/pnp/pnpacpi/
@@ -2450,17 +2450,17 @@ F:	fs/ecryptfs/
 EDAC-CORE
 M:      Doug Thompson <dougthompson@xmission.com>
-L:      bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:      linux-edac@vger.kernel.org
 W:      bluesmoke.sourceforge.net
 S:      Supported
 F:      Documentation/edac.txt
-F:      drivers/edac/edac_*
+F:      drivers/edac/
 F:      include/linux/edac.h
 EDAC-AMD64
 M:      Doug Thompson <dougthompson@xmission.com>
 M:      Borislav Petkov <borislav.petkov@amd.com>
-L:      bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:      linux-edac@vger.kernel.org
 W:      bluesmoke.sourceforge.net
 S:      Supported
 F:      drivers/edac/amd64_edac*
@@ -2468,35 +2468,35 @@ F:	drivers/edac/amd64_edac*
 EDAC-E752X
 M:      Mark Gross <mark.gross@intel.com>
 M:      Doug Thompson <dougthompson@xmission.com>
-L:      bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:      linux-edac@vger.kernel.org
 W:      bluesmoke.sourceforge.net
 S:      Maintained
 F:      drivers/edac/e752x_edac.c
 EDAC-E7XXX
 M:      Doug Thompson <dougthompson@xmission.com>
-L:      bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:      linux-edac@vger.kernel.org
 W:      bluesmoke.sourceforge.net
 S:      Maintained
 F:      drivers/edac/e7xxx_edac.c
 EDAC-I82443BXGX
 M:      Tim Small <tim@buttersideup.com>
-L:      bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:      linux-edac@vger.kernel.org
 W:      bluesmoke.sourceforge.net
 S:      Maintained
 F:      drivers/edac/i82443bxgx_edac.c
 EDAC-I3000
 M:      Jason Uhlenkott <juhlenko@akamai.com>
-L:      bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:      linux-edac@vger.kernel.org
 W:      bluesmoke.sourceforge.net
 S:      Maintained
 F:      drivers/edac/i3000_edac.c
 EDAC-I5000
 M:      Doug Thompson <dougthompson@xmission.com>
-L:      bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:      linux-edac@vger.kernel.org
 W:      bluesmoke.sourceforge.net
 S:      Maintained
 F:      drivers/edac/i5000_edac.c
@@ -2525,21 +2525,21 @@ F:	drivers/edac/i7core_edac.c
 EDAC-I82975X
 M:      Ranganathan Desikan <ravi@jetztechnologies.com>
 M:      "Arvind R." <arvino55@gmail.com>
-L:      bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:      linux-edac@vger.kernel.org
 W:      bluesmoke.sourceforge.net
 S:      Maintained
 F:      drivers/edac/i82975x_edac.c
 EDAC-PASEMI
 M:      Egor Martovetsky <egor@pasemi.com>
-L:      bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:      linux-edac@vger.kernel.org
 W:      bluesmoke.sourceforge.net
 S:      Maintained
 F:      drivers/edac/pasemi_edac.c
 EDAC-R82600
 M:      Tim Small <tim@buttersideup.com>
-L:      bluesmoke-devel@lists.sourceforge.net (moderated for non-subscribers)
+L:      linux-edac@vger.kernel.org
 W:      bluesmoke.sourceforge.net
 S:      Maintained
 F:      drivers/edac/r82600_edac.c
@@ -4309,6 +4309,13 @@ W:	http://www.kernel.org/doc/man-pages
 L:      linux-man@vger.kernel.org
 S:      Maintained
+MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2)
+M:      Mirko Lindner <mlindner@marvell.com>
+M:      Stephen Hemminger <shemminger@vyatta.com>
+L:      netdev@vger.kernel.org
+S:      Maintained
+F:      drivers/net/ethernet/marvell/sk*
 MARVELL LIBERTAS WIRELESS DRIVER
 M:      Dan Williams <dcbw@redhat.com>
 L:      libertas-dev@lists.infradead.org
@@ -4339,12 +4346,6 @@ M:	Nicolas Pitre <nico@fluxnic.net>
 S:      Odd Fixes
 F:      drivers/mmc/host/mvsdio.*
-MARVELL YUKON / SYSKONNECT DRIVER
-M:      Mirko Lindner <mlindner@syskonnect.de>
-M:      Ralph Roesler <rroesler@syskonnect.de>
-W:      http://www.syskonnect.com
-S:      Supported
 MATROX FRAMEBUFFER DRIVER
 L:      linux-fbdev@vger.kernel.org
 S:      Orphan
@@ -5637,7 +5638,7 @@ M:	Ohad Ben-Cohen <ohad@wizery.com>
 S:      Maintained
 F:      drivers/remoteproc/
 F:      Documentation/remoteproc.txt
-F:      include/linux/remoteproc.txt
+F:      include/linux/remoteproc.h
 RFKILL
 M:      Johannes Berg <johannes@sipsolutions.net>
@@ -6116,12 +6117,6 @@ W:	http://www.winischhofer.at/linuxsisusbvga.shtml
 S:      Maintained
 F:      drivers/usb/misc/sisusbvga/
-SKGE, SKY2 10/100/1000 GIGABIT ETHERNET DRIVERS
-M:      Stephen Hemminger <shemminger@vyatta.com>
-L:      netdev@vger.kernel.org
-S:      Maintained
-F:      drivers/net/ethernet/marvell/sk*
 SLAB ALLOCATOR
 M:      Christoph Lameter <cl@linux-foundation.org>
 M:      Pekka Enberg <penberg@kernel.org>
@@ -6287,6 +6282,15 @@ F:	drivers/tty/serial/sunsu.c
 F:      drivers/tty/serial/sunzilog.c
 F:      drivers/tty/serial/sunzilog.h
+SPARSE CHECKER
+M:      "Christopher Li" <sparse@chrisli.org>
+L:      linux-sparse@vger.kernel.org
+W:      https://sparse.wiki.kernel.org/
+T:      git git://git.kernel.org/pub/scm/devel/sparse/sparse.git
+T:      git git://git.kernel.org/pub/scm/devel/sparse/chrisl/sparse.git
+S:      Maintained
+F:      include/linux/compiler.h
 SPEAR PLATFORM SUPPORT
 M:      Viresh Kumar <viresh.kumar@st.com>
 L:      spear-devel@list.st.com
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index 6f7feb5db271..35f2ef44de12 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -120,12 +120,13 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
 */
 SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask)
 {
-        mask &= _BLOCKABLE;
+        sigset_t blocked;
-        spin_lock_irq(&current->sighand->siglock);
        current->saved_sigmask = current->blocked;
-        siginitset(&current->blocked, mask);
-        recalc_sigpending();
+        mask &= _BLOCKABLE;
-        spin_unlock_irq(&current->sighand->siglock);
+        siginitset(&blocked, mask);
+        set_current_blocked(&blocked);
        current->state = TASK_INTERRUPTIBLE;
        schedule();
@@ -238,10 +239,7 @@ do_sigreturn(struct sigcontext __user *sc, struct pt_regs *regs,
                goto give_sigsegv;
        sigdelsetmask(&set, ~_BLOCKABLE);
-        spin_lock_irq(&current->sighand->siglock);
+        set_current_blocked(&set);
-        current->blocked = set;
-        recalc_sigpending();
-        spin_unlock_irq(&current->sighand->siglock);
        if (restore_sigcontext(sc, regs, sw))
                goto give_sigsegv;
@@ -276,10 +274,7 @@ do_rt_sigreturn(struct rt_sigframe __user *frame, struct pt_regs *regs,
                goto give_sigsegv;
        sigdelsetmask(&set, ~_BLOCKABLE);
-        spin_lock_irq(&current->sighand->siglock);
+        set_current_blocked(&set);
-        current->blocked = set;
-        recalc_sigpending();
-        spin_unlock_irq(&current->sighand->siglock);
        if (restore_sigcontext(&frame->uc.uc_mcontext, regs, sw))
                goto give_sigsegv;
@@ -501,14 +496,8 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info,
        else
                ret = setup_frame(sig, ka, oldset, regs, sw);
-        if (ret == 0) {
+        if (ret == 0)
-                spin_lock_irq(&current->sighand->siglock);
+                block_sigmask(ka, sig);
-                sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
-                if (!(ka->sa.sa_flags & SA_NODEFER)) 
-                        sigaddset(&current->blocked,sig);
-                recalc_sigpending();
-                spin_unlock_irq(&current->sighand->siglock);
-        }
        return ret;
 }
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 93180845ae16..cf006d40342c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -338,6 +338,7 @@ config ARCH_AT91
        select HAVE_CLK
        select CLKDEV_LOOKUP
        select IRQ_DOMAIN
+        select NEED_MACH_IO_H if PCCARD
        help
          This enables support for systems based on the Atmel AT91RM9200,
          AT91SAM9 processors.
diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi
index 92f36627e7f8..799ad1889b51 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi
@@ -35,7 +35,7 @@
                };
        };
-        memory@20000000 {
+        memory {
                reg = <0x20000000 0x08000000>;
        };
diff --git a/arch/arm/boot/dts/at91sam9g25ek.dts b/arch/arm/boot/dts/at91sam9g25ek.dts
index ac0dc0031dda..7829a4d0cb22 100644
--- a/arch/arm/boot/dts/at91sam9g25ek.dts
+++ b/arch/arm/boot/dts/at91sam9g25ek.dts
@@ -37,8 +37,8 @@
                usb0: ohci@00600000 {
                        status = "okay";
                        num-ports = <2>;
-                        atmel,vbus-gpio = <&pioD 19 0
+                        atmel,vbus-gpio = <&pioD 19 1
-                                           &pioD 20 0
+                                           &pioD 20 1
                                          >;
                };
diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
index 3d0c32fb218f..9e6eb6ecea0e 100644
--- a/arch/arm/boot/dts/at91sam9g45.dtsi
+++ b/arch/arm/boot/dts/at91sam9g45.dtsi
@@ -36,7 +36,7 @@
                };
        };
-        memory@70000000 {
+        memory {
                reg = <0x70000000 0x10000000>;
        };
diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts
index c4c8ae4123d5..a3633bd13111 100644
--- a/arch/arm/boot/dts/at91sam9m10g45ek.dts
+++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts
@@ -17,7 +17,7 @@
                bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2";
        };
-        memory@70000000 {
+        memory {
                reg = <0x70000000 0x4000000>;
        };
@@ -73,8 +73,8 @@
                usb0: ohci@00700000 {
                        status = "okay";
                        num-ports = <2>;
-                        atmel,vbus-gpio = <&pioD 1 0
+                        atmel,vbus-gpio = <&pioD 1 1
-                                           &pioD 3 0>;
+                                           &pioD 3 1>;
                };
                usb1: ehci@00800000 {
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index c111001f254e..70ab3a4e026f 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -34,7 +34,7 @@
                };
        };
-        memory@20000000 {
+        memory {
                reg = <0x20000000 0x10000000>;
        };
@@ -201,8 +201,8 @@
                              >;
                        atmel,nand-addr-offset = <21>;
                        atmel,nand-cmd-offset = <22>;
-                        gpios = <&pioC 8 0
+                        gpios = <&pioD 5 0
-                                 &pioC 14 0
+                                 &pioD 4 0
                                 0
                                >;
                        status = "disabled";
diff --git a/arch/arm/boot/dts/at91sam9x5cm.dtsi b/arch/arm/boot/dts/at91sam9x5cm.dtsi
index 67936f83c694..31e7be23703d 100644
--- a/arch/arm/boot/dts/at91sam9x5cm.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5cm.dtsi
@@ -8,7 +8,7 @@
 */
 / {
-        memory@20000000 {
+        memory {
                reg = <0x20000000 0x8000000>;
        };
diff --git a/arch/arm/boot/dts/usb_a9g20.dts b/arch/arm/boot/dts/usb_a9g20.dts
index 3b3c4e0fa79f..7c2399c532e5 100644
--- a/arch/arm/boot/dts/usb_a9g20.dts
+++ b/arch/arm/boot/dts/usb_a9g20.dts
@@ -16,7 +16,7 @@
                bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs";
        };
-        memory@20000000 {
+        memory {
                reg = <0x20000000 0x4000000>;
        };
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h
index 44f4a09ff37b..05112380dc53 100644
--- a/arch/arm/include/asm/barrier.h
+++ b/arch/arm/include/asm/barrier.h
@@ -2,6 +2,7 @@
 #define __ASM_BARRIER_H
 #ifndef __ASSEMBLY__
+#include <asm/outercache.h>
 #define nop() __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t");
@@ -39,7 +40,6 @@
 #ifdef CONFIG_ARCH_HAS_BARRIERS
 #include <mach/barriers.h>
 #elif defined(CONFIG_ARM_DMA_MEM_BUFFERABLE) || defined(CONFIG_SMP)
-#include <asm/outercache.h>
 #define mb()            do { dsb(); outer_sync(); } while (0)
 #define rmb()           dsb()
 #define wmb()           mb()
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index df0ac0bb39aa..9af5563dd3eb 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -119,7 +119,7 @@ static inline void __iomem *__typesafe_io(unsigned long addr)
 #ifdef CONFIG_NEED_MACH_IO_H
 #include <mach/io.h>
 #else
-#define __io(a)         ({ (void)(a); __typesafe_io(0); })
+#define __io(a)         __typesafe_io((a) & IO_SPACE_LIMIT)
 #endif
 /*
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 7e5651ee9f85..5652dde4bbe2 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -598,6 +598,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
                else
                        cs_pin = spi1_standard_cs[devices[i].chip_select];
+                if (!gpio_is_valid(cs_pin))
+                        continue;
                if (devices[i].bus_num == 0)
                        enable_spi0 = 1;
                else
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 096da87dc00d..4db961a93085 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -415,6 +415,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
                else
                        cs_pin = spi1_standard_cs[devices[i].chip_select];
+                if (!gpio_is_valid(cs_pin))
+                        continue;
                if (devices[i].bus_num == 0)
                        enable_spi0 = 1;
                else
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 53688c46f956..fe99206de880 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -72,7 +72,8 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data)
        /* Enable VBus control for UHP ports */
        for (i = 0; i < data->ports; i++) {
                if (gpio_is_valid(data->vbus_pin[i]))
-                        at91_set_gpio_output(data->vbus_pin[i], 0);
+                        at91_set_gpio_output(data->vbus_pin[i],
+                                             data->vbus_pin_active_low[i]);
        }
        /* Enable overcurrent notification */
@@ -671,6 +672,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
                else
                        cs_pin = spi1_standard_cs[devices[i].chip_select];
+                if (!gpio_is_valid(cs_pin))
+                        continue;
                if (devices[i].bus_num == 0)
                        enable_spi0 = 1;
                else
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 698479f1e197..6b008aee1dff 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -127,12 +127,13 @@ void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data)
        /* Enable VBus control for UHP ports */
        for (i = 0; i < data->ports; i++) {
                if (gpio_is_valid(data->vbus_pin[i]))
-                        at91_set_gpio_output(data->vbus_pin[i], 0);
+                        at91_set_gpio_output(data->vbus_pin[i],
+                                             data->vbus_pin_active_low[i]);
        }
        /* Enable overcurrent notification */
        for (i = 0; i < data->ports; i++) {
-                if (data->overcurrent_pin[i])
+                if (gpio_is_valid(data->overcurrent_pin[i]))
                        at91_set_gpio_input(data->overcurrent_pin[i], 1);
        }
@@ -188,7 +189,8 @@ void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data)
        /* Enable VBus control for UHP ports */
        for (i = 0; i < data->ports; i++) {
                if (gpio_is_valid(data->vbus_pin[i]))
-                        at91_set_gpio_output(data->vbus_pin[i], 0);
+                        at91_set_gpio_output(data->vbus_pin[i],
+                                             data->vbus_pin_active_low[i]);
        }
        usbh_ehci_data = *data;
@@ -785,6 +787,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
                else
                        cs_pin = spi1_standard_cs[devices[i].chip_select];
+                if (!gpio_is_valid(cs_pin))
+                        continue;
                if (devices[i].bus_num == 0)
                        enable_spi0 = 1;
                else
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index eda72e83037d..fe4ae22e8561 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -419,6 +419,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
                else
                        cs_pin = spi_standard_cs[devices[i].chip_select];
+                if (!gpio_is_valid(cs_pin))
+                        continue;
                /* enable chip-select pin */
                at91_set_gpio_output(cs_pin, 1);
diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c
index b6831eeb7b76..13c8cae60462 100644
--- a/arch/arm/mach-at91/at91sam9x5.c
+++ b/arch/arm/mach-at91/at91sam9x5.c
@@ -223,6 +223,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
        CLKDEV_CON_DEV_ID("usart", "f8028000.serial", &usart3_clk),
        CLKDEV_CON_DEV_ID("t0_clk", "f8008000.timer", &tcb0_clk),
        CLKDEV_CON_DEV_ID("t0_clk", "f800c000.timer", &tcb0_clk),
+        CLKDEV_CON_DEV_ID("dma_clk", "ffffec00.dma-controller", &dma0_clk),
+        CLKDEV_CON_DEV_ID("dma_clk", "ffffee00.dma-controller", &dma1_clk),
        CLKDEV_CON_ID("pioA", &pioAB_clk),
        CLKDEV_CON_ID("pioB", &pioAB_clk),
        CLKDEV_CON_ID("pioC", &pioCD_clk),
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 66f0ddf4b2ae..2ffe50f3a9e9 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -74,6 +74,7 @@ static void __init ek_init_early(void)
 static struct at91_usbh_data __initdata ek_usbh_data = {
        .ports          = 2,
        .vbus_pin       = { AT91_PIN_PA24, AT91_PIN_PA21 },
+        .vbus_pin_active_low = {1, 1},
        .overcurrent_pin= {-EINVAL, -EINVAL},
 };
diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c
index e1bea73e6b30..c88e908ddd82 100644
--- a/arch/arm/mach-at91/board-sam9m10g45ek.c
+++ b/arch/arm/mach-at91/board-sam9m10g45ek.c
@@ -71,6 +71,7 @@ static void __init ek_init_early(void)
 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
        .ports          = 2,
        .vbus_pin       = {AT91_PIN_PD1, AT91_PIN_PD3},
+        .vbus_pin_active_low = {1, 1},
        .overcurrent_pin= {-EINVAL, -EINVAL},
 };
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index 544a5d5ce416..49a821192c65 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -86,14 +86,15 @@ extern void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *d
 extern void __init at91_add_device_eth(struct macb_platform_data *data);
 /* USB Host */
+#define AT91_MAX_USBH_PORTS     3
 struct at91_usbh_data {
-        u8              ports;          /* number of ports on root hub */
+        int             vbus_pin[AT91_MAX_USBH_PORTS];  /* port power-control pin */
-        int             vbus_pin[2];    /* port power-control pin */
+        int             overcurrent_pin[AT91_MAX_USBH_PORTS];
-        u8              vbus_pin_active_low[2];
+        u8              ports;                          /* number of ports on root hub */
        u8              overcurrent_supported;
-        int             overcurrent_pin[2];
+        u8              vbus_pin_active_low[AT91_MAX_USBH_PORTS];
-        u8              overcurrent_status[2];
+        u8              overcurrent_status[AT91_MAX_USBH_PORTS];
-        u8              overcurrent_changed[2];
+        u8              overcurrent_changed[AT91_MAX_USBH_PORTS];
 };
 extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
 extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data);
diff --git a/arch/arm/mach-at91/include/mach/io.h b/arch/arm/mach-at91/include/mach/io.h
new file mode 100644
index 000000000000..2d9ca0455745
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/io.h
@@ -0,0 +1,27 @@
+/*
+ * arch/arm/mach-at91/include/mach/io.h
+ *
+ *  Copyright (C) 2003 SAN People
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARCH_IO_H
+#define __ASM_ARCH_IO_H
+#define IO_SPACE_LIMIT          0xFFFFFFFF
+#define __io(a)                 __typesafe_io(a)
+#endif
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index e6cc50e94a58..8614aab47cc0 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -583,10 +583,11 @@ core_initcall(exynos_core_init);
 #ifdef CONFIG_CACHE_L2X0
 static int __init exynos4_l2x0_cache_init(void)
 {
+        int ret;
        if (soc_is_exynos5250())
                return 0;
-        int ret;
        ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK);
        if (!ret) {
                l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);
diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c
index 3983abee4264..69aaa4503205 100644
--- a/arch/arm/mach-exynos/dma.c
+++ b/arch/arm/mach-exynos/dma.c
@@ -35,8 +35,6 @@
 #include <mach/irqs.h>
 #include <mach/dma.h>
-static u64 dma_dmamask = DMA_BIT_MASK(32);
 static u8 exynos4210_pdma0_peri[] = {
        DMACH_PCM0_RX,
        DMACH_PCM0_TX,
diff --git a/arch/arm/mach-exynos/include/mach/debug-macro.S b/arch/arm/mach-exynos/include/mach/debug-macro.S
index 6c857ff0b5d8..e0c86ea475e7 100644
--- a/arch/arm/mach-exynos/include/mach/debug-macro.S
+++ b/arch/arm/mach-exynos/include/mach/debug-macro.S
@@ -21,10 +21,9 @@
         */
        .macro addruart, rp, rv, tmp
-                mov     \rp, #0x10000000
+                mrc     p15, 0, \tmp, c0, c0, 0
-                ldr     \rp, [\rp, #0x0]
+                and     \tmp, \tmp, #0xf0
-                and     \rp, \rp, #0xf00000
+                teq     \tmp, #0xf0             @@ A15
-                teq     \rp, #0x500000          @@ EXYNOS5
                ldreq   \rp, =EXYNOS5_PA_UART
                movne   \rp, #EXYNOS4_PA_UART   @@ EXYNOS4
                ldr     \rv, =S3C_VA_UART
diff --git a/arch/arm/mach-exynos/include/mach/uncompress.h b/arch/arm/mach-exynos/include/mach/uncompress.h
index 493f4f365ddf..2979995d5a6a 100644
--- a/arch/arm/mach-exynos/include/mach/uncompress.h
+++ b/arch/arm/mach-exynos/include/mach/uncompress.h
@@ -20,9 +20,24 @@ volatile u8 *uart_base;
 #include <plat/uncompress.h>
+static unsigned int __raw_readl(unsigned int ptr)
+{
+        return *((volatile unsigned int *)ptr);
+}
 static void arch_detect_cpu(void)
 {
-        if (machine_is_smdk5250())
+        u32 chip_id = __raw_readl(EXYNOS_PA_CHIPID);
+        /*
+         * product_id is bits 31:12
+         *    bits 23:20 describe the exynosX family
+         *
+         */
+        chip_id >>= 20;
+        chip_id &= 0xf;
+        if (chip_id == 0x5)
                uart_base = (volatile u8 *)EXYNOS5_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT);
        else
                uart_base = (volatile u8 *)EXYNOS4_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT);
diff --git a/arch/arm/mach-imx/clock-imx27.c b/arch/arm/mach-imx/clock-imx27.c
index b9a95ed75553..98e04f5a87dd 100644
--- a/arch/arm/mach-imx/clock-imx27.c
+++ b/arch/arm/mach-imx/clock-imx27.c
@@ -662,6 +662,7 @@ static struct clk_lookup lookups[] = {
        _REGISTER_CLOCK(NULL, "dma", dma_clk)
        _REGISTER_CLOCK(NULL, "rtic", rtic_clk)
        _REGISTER_CLOCK(NULL, "brom", brom_clk)
+        _REGISTER_CLOCK(NULL, "emma", emma_clk)
        _REGISTER_CLOCK("m2m-emmaprp.0", NULL, emma_clk)
        _REGISTER_CLOCK(NULL, "slcdc", slcdc_clk)
        _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk)
diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c
index 1e279af656ad..e56c1a83eee3 100644
--- a/arch/arm/mach-imx/clock-imx35.c
+++ b/arch/arm/mach-imx/clock-imx35.c
@@ -483,7 +483,7 @@ static struct clk_lookup lookups[] = {
        _REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk)
        _REGISTER_CLOCK(NULL, "max", max_clk)
        _REGISTER_CLOCK(NULL, "audmux", audmux_clk)
-        _REGISTER_CLOCK(NULL, "csi", csi_clk)
+        _REGISTER_CLOCK("mx3-camera.0", NULL, csi_clk)
        _REGISTER_CLOCK(NULL, "iim", iim_clk)
        _REGISTER_CLOCK(NULL, "gpu2d", gpu2d_clk)
        _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk)
diff --git a/arch/arm/mach-imx/mach-armadillo5x0.c b/arch/arm/mach-imx/mach-armadillo5x0.c
index 27bc27e6ea41..c650145d1646 100644
--- a/arch/arm/mach-imx/mach-armadillo5x0.c
+++ b/arch/arm/mach-imx/mach-armadillo5x0.c
@@ -38,6 +38,8 @@
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
 #include <linux/delay.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -479,6 +481,11 @@ static struct platform_device *devices[] __initdata = {
        &armadillo5x0_smc911x_device,
 };
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+};
 /*
 * Perform board specific initializations
 */
@@ -489,6 +496,8 @@ static void __init armadillo5x0_init(void)
        mxc_iomux_setup_multiple_pins(armadillo5x0_pins,
                        ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0");
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        platform_add_devices(devices, ARRAY_SIZE(devices));
        imx_add_gpio_keys(&armadillo5x0_button_data);
        imx31_add_imx_i2c1(NULL);
diff --git a/arch/arm/mach-imx/mach-kzm_arm11_01.c b/arch/arm/mach-imx/mach-kzm_arm11_01.c
index fc78e8071cd1..15a26e908260 100644
--- a/arch/arm/mach-imx/mach-kzm_arm11_01.c
+++ b/arch/arm/mach-imx/mach-kzm_arm11_01.c
@@ -24,6 +24,8 @@
 #include <linux/serial_8250.h>
 #include <linux/smsc911x.h>
 #include <linux/types.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
 #include <asm/irq.h>
 #include <asm/mach-types.h>
@@ -166,6 +168,11 @@ static struct platform_device kzm_smsc9118_device = {
                          },
 };
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+};
 static int __init kzm_init_smsc9118(void)
 {
        /*
@@ -175,6 +182,8 @@ static int __init kzm_init_smsc9118(void)
        gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2), "smsc9118-int");
        gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2));
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        return platform_device_register(&kzm_smsc9118_device);
 }
 #else
diff --git a/arch/arm/mach-imx/mach-mx31lilly.c b/arch/arm/mach-imx/mach-mx31lilly.c
index 02401bbd6d53..83714b0cc290 100644
--- a/arch/arm/mach-imx/mach-mx31lilly.c
+++ b/arch/arm/mach-imx/mach-mx31lilly.c
@@ -34,6 +34,8 @@
 #include <linux/mfd/mc13783.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -242,6 +244,11 @@ static struct platform_device *devices[] __initdata = {
 static int mx31lilly_baseboard;
 core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+};
 static void __init mx31lilly_board_init(void)
 {
        imx31_soc_init();
@@ -280,6 +287,8 @@ static void __init mx31lilly_board_init(void)
        imx31_add_spi_imx1(&spi1_pdata);
        spi_register_board_info(&mc13783_dev, 1);
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        platform_add_devices(devices, ARRAY_SIZE(devices));
        /* USB */
diff --git a/arch/arm/mach-imx/mach-mx31lite.c b/arch/arm/mach-imx/mach-mx31lite.c
index ef80751712e7..0abef5f13df5 100644
--- a/arch/arm/mach-imx/mach-mx31lite.c
+++ b/arch/arm/mach-imx/mach-mx31lite.c
@@ -29,6 +29,8 @@
 #include <linux/usb/ulpi.h>
 #include <linux/mtd/physmap.h>
 #include <linux/delay.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -226,6 +228,11 @@ void __init mx31lite_map_io(void)
 static int mx31lite_baseboard;
 core_param(mx31lite_baseboard, mx31lite_baseboard, int, 0444);
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+};
 static void __init mx31lite_init(void)
 {
        int ret;
@@ -259,6 +266,8 @@ static void __init mx31lite_init(void)
        if (usbh2_pdata.otg)
                imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        /* SMSC9117 IRQ pin */
        ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq");
        if (ret)
diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c
index e14291d89e4f..6ae51c6b95b7 100644
--- a/arch/arm/mach-imx/mach-mx35_3ds.c
+++ b/arch/arm/mach-imx/mach-mx35_3ds.c
@@ -97,7 +97,7 @@ static struct i2c_board_info __initdata i2c_devices_3ds[] = {
 static int lcd_power_gpio = -ENXIO;
 static int mc9s08dz60_gpiochip_match(struct gpio_chip *chip,
-                                                     void *data)
+                                                     const void *data)
 {
        return !strcmp(chip->label, data);
 }
diff --git a/arch/arm/mach-imx/mach-mx53_ard.c b/arch/arm/mach-imx/mach-mx53_ard.c
index 753f4fc9ec04..05641980dc5e 100644
--- a/arch/arm/mach-imx/mach-mx53_ard.c
+++ b/arch/arm/mach-imx/mach-mx53_ard.c
@@ -23,6 +23,8 @@
 #include <linux/delay.h>
 #include <linux/gpio.h>
 #include <linux/smsc911x.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
 #include <mach/common.h>
 #include <mach/hardware.h>
@@ -214,6 +216,11 @@ static int weim_cs_config(void)
        return 0;
 }
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+};
 void __init imx53_ard_common_init(void)
 {
        mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads,
@@ -232,6 +239,7 @@ static void __init mx53_ard_board_init(void)
        imx53_ard_common_init();
        mx53_ard_io_init();
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        platform_add_devices(devices, ARRAY_SIZE(devices));
        imx53_add_sdhci_esdhc_imx(0, &mx53_ard_sd1_data);
diff --git a/arch/arm/mach-msm/smd_debug.c b/arch/arm/mach-msm/smd_debug.c
index 0c56a5aaf588..c56df9e932ae 100644
--- a/arch/arm/mach-msm/smd_debug.c
+++ b/arch/arm/mach-msm/smd_debug.c
@@ -203,15 +203,9 @@ static ssize_t debug_read(struct file *file, char __user *buf,
        return simple_read_from_buffer(buf, count, ppos, debug_buffer, bsize);
 }
-static int debug_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static const struct file_operations debug_ops = {
        .read = debug_read,
-        .open = debug_open,
+        .open = simple_open,
        .llseek = default_llseek,
 };
diff --git a/arch/arm/mach-omap1/include/mach/io.h b/arch/arm/mach-omap1/include/mach/io.h
new file mode 100644
index 000000000000..ce4f8005b26f
--- /dev/null
+++ b/arch/arm/mach-omap1/include/mach/io.h
@@ -0,0 +1,45 @@
+/*
+ * arch/arm/mach-omap1/include/mach/io.h
+ *
+ * IO definitions for TI OMAP processors and boards
+ *
+ * Copied from arch/arm/mach-sa1100/include/mach/io.h
+ * Copyright (C) 1997-1999 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Modifications:
+ *  06-12-1997  RMK     Created.
+ *  07-04-1999  RMK     Major cleanup
+ */
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+#define IO_SPACE_LIMIT 0xffffffff
+/*
+ * We don't actually have real ISA nor PCI buses, but there is so many
+ * drivers out there that might just work if we fake them...
+ */
+#define __io(a)         __typesafe_io(a)
+#endif
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index 41b0a2fe0b04..909a8b91b564 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -26,6 +26,7 @@
 #include <linux/i2c/at24.h>
 #include <linux/i2c/twl.h>
+#include <linux/regulator/fixed.h>
 #include <linux/regulator/machine.h>
 #include <linux/mmc/host.h>
@@ -81,8 +82,23 @@ static struct omap_smsc911x_platform_data sb_t35_smsc911x_cfg = {
        .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 };
+static struct regulator_consumer_supply cm_t35_smsc911x_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+};
+static struct regulator_consumer_supply sb_t35_smsc911x_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
+};
 static void __init cm_t35_init_ethernet(void)
 {
+        regulator_register_fixed(0, cm_t35_smsc911x_supplies,
+                                 ARRAY_SIZE(cm_t35_smsc911x_supplies));
+        regulator_register_fixed(1, sb_t35_smsc911x_supplies,
+                                 ARRAY_SIZE(sb_t35_smsc911x_supplies));
        gpmc_smsc911x_init(&cm_t35_smsc911x_cfg);
        gpmc_smsc911x_init(&sb_t35_smsc911x_cfg);
 }
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index e558800adfdf..930c0d380435 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -634,8 +634,14 @@ static void __init igep_wlan_bt_init(void)
 static inline void __init igep_wlan_bt_init(void) { }
 #endif
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+};
 static void __init igep_init(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
        /* Get IGEP2 hardware revision */
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index d50a562adfa0..1b6049567ab4 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -22,6 +22,7 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/spi/spi.h>
+#include <linux/regulator/fixed.h>
 #include <linux/regulator/machine.h>
 #include <linux/i2c/twl.h>
 #include <linux/io.h>
@@ -410,8 +411,14 @@ static struct mtd_partition ldp_nand_partitions[] = {
 };
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+};
 static void __init omap_ldp_init(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
        ldp_init_smsc911x();
        omap_i2c_init();
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 4c90f078abe1..49df12735b41 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -114,15 +114,6 @@ static struct omap_smsc911x_platform_data smsc911x_cfg = {
 static inline void __init omap3evm_init_smsc911x(void)
 {
-        struct clk *l3ck;
-        unsigned int rate;
-        l3ck = clk_get(NULL, "l3_ck");
-        if (IS_ERR(l3ck))
-                rate = 100000000;
-        else
-                rate = clk_get_rate(l3ck);
        /* Configure ethernet controller reset gpio */
        if (cpu_is_omap3430()) {
                if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1)
@@ -632,9 +623,15 @@ static void __init omap3_evm_wl12xx_init(void)
 #endif
 }
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+};
 static void __init omap3_evm_init(void)
 {
        omap3_evm_get_revision();
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        if (cpu_is_omap3630())
                omap3_mux_init(omap36x_board_mux, OMAP_PACKAGE_CBB);
diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c
index 4a7d8c8a75da..9b3c141ff51b 100644
--- a/arch/arm/mach-omap2/board-omap3logic.c
+++ b/arch/arm/mach-omap2/board-omap3logic.c
@@ -23,6 +23,7 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
+#include <linux/regulator/fixed.h>
 #include <linux/regulator/machine.h>
 #include <linux/i2c/twl.h>
@@ -188,8 +189,14 @@ static struct omap_board_mux board_mux[] __initdata = {
 };
 #endif
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+};
 static void __init omap3logic_init(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
        omap3torpedo_fix_pbias_voltage();
        omap3logic_i2c_init();
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
index 641004380795..4dffc95bddd2 100644
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -24,6 +24,7 @@
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
+#include <linux/regulator/fixed.h>
 #include <linux/regulator/machine.h>
 #include <linux/i2c/twl.h>
 #include <linux/mmc/host.h>
@@ -72,15 +73,6 @@ static struct omap_smsc911x_platform_data smsc911x_cfg = {
 static inline void __init omap3stalker_init_eth(void)
 {
-        struct clk *l3ck;
-        unsigned int rate;
-        l3ck = clk_get(NULL, "l3_ck");
-        if (IS_ERR(l3ck))
-                rate = 100000000;
-        else
-                rate = clk_get_rate(l3ck);
        omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
        gpmc_smsc911x_init(&smsc911x_cfg);
 }
@@ -419,8 +411,14 @@ static struct omap_board_mux board_mux[] __initdata = {
 };
 #endif
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+};
 static void __init omap3_stalker_init(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
        omap_board_config = omap3_stalker_config;
        omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 668533e2a379..33aa3910b09e 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -498,10 +498,18 @@ static struct gpio overo_bt_gpios[] __initdata = {
        { OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH,    "lcd bl enable" },
 };
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+        REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
+};
 static void __init overo_init(void)
 {
        int ret;
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
        omap_hsmmc_init(mmc);
        overo_i2c_init();
diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c
index 1e8540eabde9..f64f44173061 100644
--- a/arch/arm/mach-omap2/board-zoom-debugboard.c
+++ b/arch/arm/mach-omap2/board-zoom-debugboard.c
@@ -14,6 +14,9 @@
 #include <linux/smsc911x.h>
 #include <linux/interrupt.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <plat/gpmc.h>
 #include <plat/gpmc-smsc911x.h>
@@ -117,11 +120,17 @@ static struct platform_device *zoom_devices[] __initdata = {
        &zoom_debugboard_serial_device,
 };
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+};
 int __init zoom_debugboard_init(void)
 {
        if (!omap_zoom_debugboard_detect())
                return 0;
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
        zoom_init_smsc911x();
        zoom_init_quaduart();
        return platform_add_devices(zoom_devices, ARRAY_SIZE(zoom_devices));
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 480fb8f09aed..f4a626f7c79e 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -747,7 +747,7 @@ static struct clk dpll4_m3_ck = {
        .parent         = &dpll4_ck,
        .init           = &omap2_init_clksel_parent,
        .clksel_reg     = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
-        .clksel_mask    = OMAP3430_CLKSEL_TV_MASK,
+        .clksel_mask    = OMAP3630_CLKSEL_TV_MASK,
        .clksel         = dpll4_clksel,
        .clkdm_name     = "dpll4_clkdm",
        .recalc         = &omap2_clksel_recalc,
@@ -832,7 +832,7 @@ static struct clk dpll4_m4_ck = {
        .parent         = &dpll4_ck,
        .init           = &omap2_init_clksel_parent,
        .clksel_reg     = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
-        .clksel_mask    = OMAP3430_CLKSEL_DSS1_MASK,
+        .clksel_mask    = OMAP3630_CLKSEL_DSS1_MASK,
        .clksel         = dpll4_clksel,
        .clkdm_name     = "dpll4_clkdm",
        .recalc         = &omap2_clksel_recalc,
@@ -859,7 +859,7 @@ static struct clk dpll4_m5_ck = {
        .parent         = &dpll4_ck,
        .init           = &omap2_init_clksel_parent,
        .clksel_reg     = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL),
-        .clksel_mask    = OMAP3430_CLKSEL_CAM_MASK,
+        .clksel_mask    = OMAP3630_CLKSEL_CAM_MASK,
        .clksel         = dpll4_clksel,
        .clkdm_name     = "dpll4_clkdm",
        .set_rate       = &omap2_clksel_set_rate,
@@ -886,7 +886,7 @@ static struct clk dpll4_m6_ck = {
        .parent         = &dpll4_ck,
        .init           = &omap2_init_clksel_parent,
        .clksel_reg     = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1),
-        .clksel_mask    = OMAP3430_DIV_DPLL4_MASK,
+        .clksel_mask    = OMAP3630_DIV_DPLL4_MASK,
        .clksel         = dpll4_clksel,
        .clkdm_name     = "dpll4_clkdm",
        .recalc         = &omap2_clksel_recalc,
@@ -1394,6 +1394,7 @@ static struct clk cpefuse_fck = {
        .name           = "cpefuse_fck",
        .ops            = &clkops_omap2_dflt,
        .parent         = &sys_ck,
+        .clkdm_name     = "core_l4_clkdm",
        .enable_reg     = OMAP_CM_REGADDR(CORE_MOD, OMAP3430ES2_CM_FCLKEN3),
        .enable_bit     = OMAP3430ES2_EN_CPEFUSE_SHIFT,
        .recalc         = &followparent_recalc,
@@ -1403,6 +1404,7 @@ static struct clk ts_fck = {
        .name           = "ts_fck",
        .ops            = &clkops_omap2_dflt,
        .parent         = &omap_32k_fck,
+        .clkdm_name     = "core_l4_clkdm",
        .enable_reg     = OMAP_CM_REGADDR(CORE_MOD, OMAP3430ES2_CM_FCLKEN3),
        .enable_bit     = OMAP3430ES2_EN_TS_SHIFT,
        .recalc         = &followparent_recalc,
@@ -1412,6 +1414,7 @@ static struct clk usbtll_fck = {
        .name           = "usbtll_fck",
        .ops            = &clkops_omap2_dflt_wait,
        .parent         = &dpll5_m2_ck,
+        .clkdm_name     = "core_l4_clkdm",
        .enable_reg     = OMAP_CM_REGADDR(CORE_MOD, OMAP3430ES2_CM_FCLKEN3),
        .enable_bit     = OMAP3430ES2_EN_USBTLL_SHIFT,
        .recalc         = &followparent_recalc,
@@ -1617,6 +1620,7 @@ static struct clk fshostusb_fck = {
        .name           = "fshostusb_fck",
        .ops            = &clkops_omap2_dflt_wait,
        .parent         = &core_48m_fck,
+        .clkdm_name     = "core_l4_clkdm",
        .enable_reg     = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
        .enable_bit     = OMAP3430ES1_EN_FSHOSTUSB_SHIFT,
        .recalc         = &followparent_recalc,
@@ -2043,6 +2047,7 @@ static struct clk omapctrl_ick = {
        .enable_reg     = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
        .enable_bit     = OMAP3430_EN_OMAPCTRL_SHIFT,
        .flags          = ENABLE_ON_INIT,
+        .clkdm_name     = "core_l4_clkdm",
        .recalc         = &followparent_recalc,
 };
@@ -2094,6 +2099,7 @@ static struct clk usb_l4_ick = {
        .clksel_reg     = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL),
        .clksel_mask    = OMAP3430ES1_CLKSEL_FSHOSTUSB_MASK,
        .clksel         = usb_l4_clksel,
+        .clkdm_name     = "core_l4_clkdm",
        .recalc         = &omap2_clksel_recalc,
 };
@@ -3467,8 +3473,8 @@ static struct omap_clk omap3xxx_clks[] = {
        CLK(NULL,       "ipss_ick",     &ipss_ick,      CK_AM35XX),
        CLK(NULL,       "rmii_ck",      &rmii_ck,       CK_AM35XX),
        CLK(NULL,       "pclk_ck",      &pclk_ck,       CK_AM35XX),
-        CLK("davinci_emac",     "emac_clk",     &emac_ick,      CK_AM35XX),
+        CLK("davinci_emac",     NULL,   &emac_ick,      CK_AM35XX),
-        CLK("davinci_emac",     "phy_clk",      &emac_fck,      CK_AM35XX),
+        CLK("davinci_mdio.0",   NULL,   &emac_fck,      CK_AM35XX),
        CLK("vpfe-capture",     "master",       &vpfe_ick,      CK_AM35XX),
        CLK("vpfe-capture",     "slave",        &vpfe_fck,      CK_AM35XX),
        CLK("musb-am35x",       "ick",          &hsotgusb_ick_am35xx,   CK_AM35XX),
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index c03c1108468e..fa6ea65ad44b 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -957,8 +957,8 @@ static struct dpll_data dpll_usb_dd = {
        .modes          = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
        .autoidle_reg   = OMAP4430_CM_AUTOIDLE_DPLL_USB,
        .idlest_reg     = OMAP4430_CM_IDLEST_DPLL_USB,
-        .mult_mask      = OMAP4430_DPLL_MULT_MASK,
+        .mult_mask      = OMAP4430_DPLL_MULT_USB_MASK,
-        .div1_mask      = OMAP4430_DPLL_DIV_MASK,
+        .div1_mask      = OMAP4430_DPLL_DIV_0_7_MASK,
        .enable_mask    = OMAP4430_DPLL_EN_MASK,
        .autoidle_mask  = OMAP4430_AUTO_DPLL_MODE_MASK,
        .idlest_mask    = OMAP4430_ST_DPLL_CLK_MASK,
@@ -978,6 +978,7 @@ static struct clk dpll_usb_ck = {
        .recalc         = &omap3_dpll_recalc,
        .round_rate     = &omap2_dpll_round_rate,
        .set_rate       = &omap3_noncore_dpll_set_rate,
+        .clkdm_name     = "l3_init_clkdm",
 };
 static struct clk dpll_usb_clkdcoldo_ck = {
diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c
index 9299ac291d28..bd7ed13515cc 100644
--- a/arch/arm/mach-omap2/clockdomains44xx_data.c
+++ b/arch/arm/mach-omap2/clockdomains44xx_data.c
@@ -390,7 +390,7 @@ static struct clockdomain emu_sys_44xx_clkdm = {
        .prcm_partition   = OMAP4430_PRM_PARTITION,
        .cm_inst          = OMAP4430_PRM_EMU_CM_INST,
        .clkdm_offs       = OMAP4430_PRM_EMU_CM_EMU_CDOFFS,
-        .flags            = CLKDM_CAN_HWSUP,
+        .flags            = CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_FORCE_WAKEUP,
 };
 static struct clockdomain l3_dma_44xx_clkdm = {
diff --git a/arch/arm/mach-omap2/gpmc-smsc911x.c b/arch/arm/mach-omap2/gpmc-smsc911x.c
index 5e5880d6d099..b6c77be3e8f7 100644
--- a/arch/arm/mach-omap2/gpmc-smsc911x.c
+++ b/arch/arm/mach-omap2/gpmc-smsc911x.c
@@ -19,15 +19,11 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/smsc911x.h>
-#include <linux/regulator/fixed.h>
-#include <linux/regulator/machine.h>
 #include <plat/board.h>
 #include <plat/gpmc.h>
 #include <plat/gpmc-smsc911x.h>
-static struct omap_smsc911x_platform_data *gpmc_cfg;
 static struct resource gpmc_smsc911x_resources[] = {
        [0] = {
                .flags          = IORESOURCE_MEM,
@@ -41,51 +37,6 @@ static struct smsc911x_platform_config gpmc_smsc911x_config = {
        .phy_interface  = PHY_INTERFACE_MODE_MII,
        .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
        .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
-        .flags          = SMSC911X_USE_16BIT,
-};
-static struct regulator_consumer_supply gpmc_smsc911x_supply[] = {
-        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
-        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
-};
-/* Generic regulator definition to satisfy smsc911x */
-static struct regulator_init_data gpmc_smsc911x_reg_init_data = {
-        .constraints = {
-                .min_uV                 = 3300000,
-                .max_uV                 = 3300000,
-                .valid_modes_mask       = REGULATOR_MODE_NORMAL
-                                        | REGULATOR_MODE_STANDBY,
-                .valid_ops_mask         = REGULATOR_CHANGE_MODE
-                                        | REGULATOR_CHANGE_STATUS,
-        },
-        .num_consumer_supplies  = ARRAY_SIZE(gpmc_smsc911x_supply),
-        .consumer_supplies      = gpmc_smsc911x_supply,
-};
-static struct fixed_voltage_config gpmc_smsc911x_fixed_reg_data = {
-        .supply_name            = "gpmc_smsc911x",
-        .microvolts             = 3300000,
-        .gpio                   = -EINVAL,
-        .startup_delay          = 0,
-        .enable_high            = 0,
-        .enabled_at_boot        = 1,
-        .init_data              = &gpmc_smsc911x_reg_init_data,
-};
-/*
- * Platform device id of 42 is a temporary fix to avoid conflicts
- * with other reg-fixed-voltage devices. The real fix should
- * involve the driver core providing a way of dynamically
- * assigning a unique id on registration for platform devices
- * in the same name space.
- */
-static struct platform_device gpmc_smsc911x_regulator = {
-        .name           = "reg-fixed-voltage",
-        .id             = 42,
-        .dev = {
-                .platform_data  = &gpmc_smsc911x_fixed_reg_data,
-        },
 };
 /*
@@ -93,23 +44,12 @@ static struct platform_device gpmc_smsc911x_regulator = {
 * assume that pin multiplexing is done in the board-*.c file,
 * or in the bootloader.
 */
-void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *board_data)
+void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *gpmc_cfg)
 {
        struct platform_device *pdev;
        unsigned long cs_mem_base;
        int ret;
-        gpmc_cfg = board_data;
-        if (!gpmc_cfg->id) {
-                ret = platform_device_register(&gpmc_smsc911x_regulator);
-                if (ret < 0) {
-                        pr_err("Unable to register smsc911x regulators: %d\n",
-                               ret);
-                        return;
-                }
-        }
        if (gpmc_cs_request(gpmc_cfg->cs, SZ_16M, &cs_mem_base) < 0) {
                pr_err("Failed to request GPMC mem region\n");
                return;
@@ -139,8 +79,7 @@ void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *board_data)
                gpio_set_value(gpmc_cfg->gpio_reset, 1);
        }
-        if (gpmc_cfg->flags)
+        gpmc_smsc911x_config.flags = gpmc_cfg->flags ? : SMSC911X_USE_16BIT;
-                gpmc_smsc911x_config.flags = gpmc_cfg->flags;
        pdev = platform_device_register_resndata(NULL, "smsc911x", gpmc_cfg->id,
                 gpmc_smsc911x_resources, ARRAY_SIZE(gpmc_smsc911x_resources),
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index 100db6217f39..b0268eaffe13 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -506,6 +506,13 @@ static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo,
        if (oh->dev_attr != NULL) {
                mmc_dev_attr = oh->dev_attr;
                mmc_data->controller_flags = mmc_dev_attr->flags;
+                /*
+                 * erratum 2.1.1.128 doesn't apply if board has
+                 * a transceiver is attached
+                 */
+                if (hsmmcinfo->transceiver)
+                        mmc_data->controller_flags &=
+                                ~OMAP_HSMMC_BROKEN_MULTIBLOCK_READ;
        }
        pdev = platform_device_alloc(name, ctrl_nr - 1);
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index eba6cd3816f5..2c27fdb61e66 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1395,7 +1395,7 @@ static int _read_hardreset(struct omap_hwmod *oh, const char *name)
 */
 static int _ocp_softreset(struct omap_hwmod *oh)
 {
-        u32 v;
+        u32 v, softrst_mask;
        int c = 0;
        int ret = 0;
@@ -1427,11 +1427,13 @@ static int _ocp_softreset(struct omap_hwmod *oh)
                                                    oh->class->sysc->syss_offs)
                                   & SYSS_RESETDONE_MASK),
                                  MAX_MODULE_SOFTRESET_WAIT, c);
-        else if (oh->class->sysc->sysc_flags & SYSC_HAS_RESET_STATUS)
+        else if (oh->class->sysc->sysc_flags & SYSC_HAS_RESET_STATUS) {
+                softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift);
                omap_test_timeout(!(omap_hwmod_read(oh,
                                                     oh->class->sysc->sysc_offs)
-                                   & SYSC_TYPE2_SOFTRESET_MASK),
+                                   & softrst_mask),
                                  MAX_MODULE_SOFTRESET_WAIT, c);
+        }
        if (c == MAX_MODULE_SOFTRESET_WAIT)
                pr_warning("omap_hwmod: %s: softreset failed (waited %d usec)\n",
@@ -1477,6 +1479,11 @@ static int _reset(struct omap_hwmod *oh)
        ret = (oh->class->reset) ? oh->class->reset(oh) : _ocp_softreset(oh);
+        if (oh->class->sysc) {
+                _update_sysc_cache(oh);
+                _enable_sysc(oh);
+        }
        return ret;
 }
@@ -1786,20 +1793,9 @@ static int _setup(struct omap_hwmod *oh, void *data)
                return 0;
        }
-        if (!(oh->flags & HWMOD_INIT_NO_RESET)) {
+        if (!(oh->flags & HWMOD_INIT_NO_RESET))
                _reset(oh);
-                /*
-                 * OCP_SYSCONFIG bits need to be reprogrammed after a softreset.
-                 * The _enable() function should be split to
-                 * avoid the rewrite of the OCP_SYSCONFIG register.
-                 */
-                if (oh->class->sysc) {
-                        _update_sysc_cache(oh);
-                        _enable_sysc(oh);
-                }
-        }
        postsetup_state = oh->_postsetup_state;
        if (postsetup_state == _HWMOD_STATE_UNKNOWN)
                postsetup_state = _HWMOD_STATE_ENABLED;
@@ -1907,20 +1903,10 @@ void omap_hwmod_write(u32 v, struct omap_hwmod *oh, u16 reg_offs)
 */
 int omap_hwmod_softreset(struct omap_hwmod *oh)
 {
-        u32 v;
+        if (!oh)
-        int ret;
-        if (!oh || !(oh->_sysc_cache))
                return -EINVAL;
-        v = oh->_sysc_cache;
+        return _ocp_softreset(oh);
-        ret = _set_softreset(oh, &v);
-        if (ret)
-                goto error;
-        _write_sysconfig(v, oh);
-error:
-        return ret;
 }
 /**
@@ -2463,26 +2449,28 @@ int omap_hwmod_del_initiator_dep(struct omap_hwmod *oh,
 * @oh: struct omap_hwmod *
 *
 * Sets the module OCP socket ENAWAKEUP bit to allow the module to
- * send wakeups to the PRCM.  Eventually this should sets PRCM wakeup
+ * send wakeups to the PRCM, and enable I/O ring wakeup events for
- * registers to cause the PRCM to receive wakeup events from the
+ * this IP block if it has dynamic mux entries.  Eventually this
- * module.  Does not set any wakeup routing registers beyond this
+ * should set PRCM wakeup registers to cause the PRCM to receive
- * point - if the module is to wake up any other module or subsystem,
+ * wakeup events from the module.  Does not set any wakeup routing
- * that must be set separately.  Called by omap_device code.  Returns
+ * registers beyond this point - if the module is to wake up any other
- * -EINVAL on error or 0 upon success.
+ * module or subsystem, that must be set separately.  Called by
+ * omap_device code.  Returns -EINVAL on error or 0 upon success.
 */
 int omap_hwmod_enable_wakeup(struct omap_hwmod *oh)
 {
        unsigned long flags;
        u32 v;
-        if (!oh->class->sysc ||
-            !(oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP))
-                return -EINVAL;
        spin_lock_irqsave(&oh->_lock, flags);
-        v = oh->_sysc_cache;
-        _enable_wakeup(oh, &v);
+        if (oh->class->sysc &&
-        _write_sysconfig(v, oh);
+            (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) {
+                v = oh->_sysc_cache;
+                _enable_wakeup(oh, &v);
+                _write_sysconfig(v, oh);
+        }
        _set_idle_ioring_wakeup(oh, true);
        spin_unlock_irqrestore(&oh->_lock, flags);
@@ -2494,26 +2482,28 @@ int omap_hwmod_enable_wakeup(struct omap_hwmod *oh)
 * @oh: struct omap_hwmod *
 *
 * Clears the module OCP socket ENAWAKEUP bit to prevent the module
- * from sending wakeups to the PRCM.  Eventually this should clear
+ * from sending wakeups to the PRCM, and disable I/O ring wakeup
- * PRCM wakeup registers to cause the PRCM to ignore wakeup events
+ * events for this IP block if it has dynamic mux entries.  Eventually
- * from the module.  Does not set any wakeup routing registers beyond
+ * this should clear PRCM wakeup registers to cause the PRCM to ignore
- * this point - if the module is to wake up any other module or
+ * wakeup events from the module.  Does not set any wakeup routing
- * subsystem, that must be set separately.  Called by omap_device
+ * registers beyond this point - if the module is to wake up any other
- * code.  Returns -EINVAL on error or 0 upon success.
+ * module or subsystem, that must be set separately.  Called by
+ * omap_device code.  Returns -EINVAL on error or 0 upon success.
 */
 int omap_hwmod_disable_wakeup(struct omap_hwmod *oh)
 {
        unsigned long flags;
        u32 v;
-        if (!oh->class->sysc ||
-            !(oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP))
-                return -EINVAL;
        spin_lock_irqsave(&oh->_lock, flags);
-        v = oh->_sysc_cache;
-        _disable_wakeup(oh, &v);
+        if (oh->class->sysc &&
-        _write_sysconfig(v, oh);
+            (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP)) {
+                v = oh->_sysc_cache;
+                _disable_wakeup(oh, &v);
+                _write_sysconfig(v, oh);
+        }
        _set_idle_ioring_wakeup(oh, false);
        spin_unlock_irqrestore(&oh->_lock, flags);
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 08daa5e0eb5f..cc9bd106a854 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -2996,6 +2996,11 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp1_slaves[] = {
        &omap44xx_l4_abe__mcbsp1_dma,
 };
+static struct omap_hwmod_opt_clk mcbsp1_opt_clks[] = {
+        { .role = "pad_fck", .clk = "pad_clks_ck" },
+        { .role = "prcm_clk", .clk = "mcbsp1_sync_mux_ck" },
+};
 static struct omap_hwmod omap44xx_mcbsp1_hwmod = {
        .name           = "mcbsp1",
        .class          = &omap44xx_mcbsp_hwmod_class,
@@ -3012,6 +3017,8 @@ static struct omap_hwmod omap44xx_mcbsp1_hwmod = {
        },
        .slaves         = omap44xx_mcbsp1_slaves,
        .slaves_cnt     = ARRAY_SIZE(omap44xx_mcbsp1_slaves),
+        .opt_clks       = mcbsp1_opt_clks,
+        .opt_clks_cnt   = ARRAY_SIZE(mcbsp1_opt_clks),
 };
 /* mcbsp2 */
@@ -3071,6 +3078,11 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp2_slaves[] = {
        &omap44xx_l4_abe__mcbsp2_dma,
 };
+static struct omap_hwmod_opt_clk mcbsp2_opt_clks[] = {
+        { .role = "pad_fck", .clk = "pad_clks_ck" },
+        { .role = "prcm_clk", .clk = "mcbsp2_sync_mux_ck" },
+};
 static struct omap_hwmod omap44xx_mcbsp2_hwmod = {
        .name           = "mcbsp2",
        .class          = &omap44xx_mcbsp_hwmod_class,
@@ -3087,6 +3099,8 @@ static struct omap_hwmod omap44xx_mcbsp2_hwmod = {
        },
        .slaves         = omap44xx_mcbsp2_slaves,
        .slaves_cnt     = ARRAY_SIZE(omap44xx_mcbsp2_slaves),
+        .opt_clks       = mcbsp2_opt_clks,
+        .opt_clks_cnt   = ARRAY_SIZE(mcbsp2_opt_clks),
 };
 /* mcbsp3 */
@@ -3146,6 +3160,11 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp3_slaves[] = {
        &omap44xx_l4_abe__mcbsp3_dma,
 };
+static struct omap_hwmod_opt_clk mcbsp3_opt_clks[] = {
+        { .role = "pad_fck", .clk = "pad_clks_ck" },
+        { .role = "prcm_clk", .clk = "mcbsp3_sync_mux_ck" },
+};
 static struct omap_hwmod omap44xx_mcbsp3_hwmod = {
        .name           = "mcbsp3",
        .class          = &omap44xx_mcbsp_hwmod_class,
@@ -3162,6 +3181,8 @@ static struct omap_hwmod omap44xx_mcbsp3_hwmod = {
        },
        .slaves         = omap44xx_mcbsp3_slaves,
        .slaves_cnt     = ARRAY_SIZE(omap44xx_mcbsp3_slaves),
+        .opt_clks       = mcbsp3_opt_clks,
+        .opt_clks_cnt   = ARRAY_SIZE(mcbsp3_opt_clks),
 };
 /* mcbsp4 */
@@ -3200,6 +3221,11 @@ static struct omap_hwmod_ocp_if *omap44xx_mcbsp4_slaves[] = {
        &omap44xx_l4_per__mcbsp4,
 };
+static struct omap_hwmod_opt_clk mcbsp4_opt_clks[] = {
+        { .role = "pad_fck", .clk = "pad_clks_ck" },
+        { .role = "prcm_clk", .clk = "mcbsp4_sync_mux_ck" },
+};
 static struct omap_hwmod omap44xx_mcbsp4_hwmod = {
        .name           = "mcbsp4",
        .class          = &omap44xx_mcbsp_hwmod_class,
@@ -3216,6 +3242,8 @@ static struct omap_hwmod omap44xx_mcbsp4_hwmod = {
        },
        .slaves         = omap44xx_mcbsp4_slaves,
        .slaves_cnt     = ARRAY_SIZE(omap44xx_mcbsp4_slaves),
+        .opt_clks       = mcbsp4_opt_clks,
+        .opt_clks_cnt   = ARRAY_SIZE(mcbsp4_opt_clks),
 };
 /*
diff --git a/arch/arm/mach-omap2/opp.c b/arch/arm/mach-omap2/opp.c
index 9262a6b47702..de6d46451746 100644
--- a/arch/arm/mach-omap2/opp.c
+++ b/arch/arm/mach-omap2/opp.c
@@ -64,10 +64,10 @@ int __init omap_init_opp_table(struct omap_opp_def *opp_def,
                }
                oh = omap_hwmod_lookup(opp_def->hwmod_name);
                if (!oh || !oh->od) {
-                        pr_warn("%s: no hwmod or odev for %s, [%d] "
+                        pr_debug("%s: no hwmod or odev for %s, [%d] "
                                "cannot add OPPs.\n", __func__,
                                opp_def->hwmod_name, i);
-                        return -EINVAL;
+                        continue;
                }
                dev = &oh->od->pdev->dev;
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 238defc6f6df..703bd1099259 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -153,8 +153,7 @@ static void omap3_save_secure_ram_context(void)
                pwrdm_set_next_pwrst(mpu_pwrdm, mpu_next_state);
                /* Following is for error tracking, it should not happen */
                if (ret) {
-                        printk(KERN_ERR "save_secure_sram() returns %08x\n",
+                        pr_err("save_secure_sram() returns %08x\n", ret);
-                                ret);
                        while (1)
                                ;
                }
@@ -289,7 +288,7 @@ void omap_sram_idle(void)
                break;
        default:
                /* Invalid state */
-                printk(KERN_ERR "Invalid mpu state in sram_idle\n");
+                pr_err("Invalid mpu state in sram_idle\n");
                return;
        }
@@ -439,18 +438,17 @@ restore:
        list_for_each_entry(pwrst, &pwrst_list, node) {
                state = pwrdm_read_prev_pwrst(pwrst->pwrdm);
                if (state > pwrst->next_state) {
-                        printk(KERN_INFO "Powerdomain (%s) didn't enter "
+                        pr_info("Powerdomain (%s) didn't enter "
-                               "target state %d\n",
+                                "target state %d\n",
                               pwrst->pwrdm->name, pwrst->next_state);
                        ret = -1;
                }
                omap_set_pwrdm_state(pwrst->pwrdm, pwrst->saved_state);
        }
        if (ret)
-                printk(KERN_ERR "Could not enter target state in pm_suspend\n");
+                pr_err("Could not enter target state in pm_suspend\n");
        else
-                printk(KERN_INFO "Successfully put all powerdomains "
+                pr_info("Successfully put all powerdomains to target state\n");
-                       "to target state\n");
        return ret;
 }
@@ -734,21 +732,22 @@ static int __init omap3_pm_init(void)
        if (ret) {
                pr_err("pm: Failed to request pm_io irq\n");
-                goto err1;
+                goto err2;
        }
        ret = pwrdm_for_each(pwrdms_setup, NULL);
        if (ret) {
-                printk(KERN_ERR "Failed to setup powerdomains\n");
+                pr_err("Failed to setup powerdomains\n");
-                goto err2;
+                goto err3;
        }
        (void) clkdm_for_each(omap_pm_clkdms_setup, NULL);
        mpu_pwrdm = pwrdm_lookup("mpu_pwrdm");
        if (mpu_pwrdm == NULL) {
-                printk(KERN_ERR "Failed to get mpu_pwrdm\n");
+                pr_err("Failed to get mpu_pwrdm\n");
-                goto err2;
+                ret = -EINVAL;
+                goto err3;
        }
        neon_pwrdm = pwrdm_lookup("neon_pwrdm");
@@ -781,8 +780,8 @@ static int __init omap3_pm_init(void)
                omap3_secure_ram_storage =
                        kmalloc(0x803F, GFP_KERNEL);
                if (!omap3_secure_ram_storage)
-                        printk(KERN_ERR "Memory allocation failed when"
+                        pr_err("Memory allocation failed when "
-                                        "allocating for secure sram context\n");
+                               "allocating for secure sram context\n");
                local_irq_disable();
                local_fiq_disable();
@@ -796,14 +795,17 @@ static int __init omap3_pm_init(void)
        }
        omap3_save_scratchpad_contents();
-err1:
        return ret;
-err2:
-        free_irq(INT_34XX_PRCM_MPU_IRQ, NULL);
+err3:
        list_for_each_entry_safe(pwrst, tmp, &pwrst_list, node) {
                list_del(&pwrst->node);
                kfree(pwrst);
        }
+        free_irq(omap_prcm_event_to_irq("io"), omap3_pm_init);
+err2:
+        free_irq(omap_prcm_event_to_irq("wkup"), NULL);
+err1:
        return ret;
 }
diff --git a/arch/arm/mach-omap2/pm44xx.c b/arch/arm/mach-omap2/pm44xx.c
index 9ccaadc2cf07..885625352429 100644
--- a/arch/arm/mach-omap2/pm44xx.c
+++ b/arch/arm/mach-omap2/pm44xx.c
@@ -144,7 +144,7 @@ static void omap_default_idle(void)
 static int __init omap4_pm_init(void)
 {
        int ret;
-        struct clockdomain *emif_clkdm, *mpuss_clkdm, *l3_1_clkdm;
+        struct clockdomain *emif_clkdm, *mpuss_clkdm, *l3_1_clkdm, *l4wkup;
        struct clockdomain *ducati_clkdm, *l3_2_clkdm, *l4_per_clkdm;
        if (!cpu_is_omap44xx())
@@ -168,14 +168,19 @@ static int __init omap4_pm_init(void)
         * MPUSS -> L4_PER/L3_* and DUCATI -> L3_* doesn't work as
         * expected. The hardware recommendation is to enable static
         * dependencies for these to avoid system lock ups or random crashes.
+         * The L4 wakeup depedency is added to workaround the OCP sync hardware
+         * BUG with 32K synctimer which lead to incorrect timer value read
+         * from the 32K counter. The BUG applies for GPTIMER1 and WDT2 which
+         * are part of L4 wakeup clockdomain.
         */
        mpuss_clkdm = clkdm_lookup("mpuss_clkdm");
        emif_clkdm = clkdm_lookup("l3_emif_clkdm");
        l3_1_clkdm = clkdm_lookup("l3_1_clkdm");
        l3_2_clkdm = clkdm_lookup("l3_2_clkdm");
        l4_per_clkdm = clkdm_lookup("l4_per_clkdm");
+        l4wkup = clkdm_lookup("l4_wkup_clkdm");
        ducati_clkdm = clkdm_lookup("ducati_clkdm");
-        if ((!mpuss_clkdm) || (!emif_clkdm) || (!l3_1_clkdm) ||
+        if ((!mpuss_clkdm) || (!emif_clkdm) || (!l3_1_clkdm) || (!l4wkup) ||
                (!l3_2_clkdm) || (!ducati_clkdm) || (!l4_per_clkdm))
                goto err2;
@@ -183,6 +188,7 @@ static int __init omap4_pm_init(void)
        ret |= clkdm_add_wkdep(mpuss_clkdm, l3_1_clkdm);
        ret |= clkdm_add_wkdep(mpuss_clkdm, l3_2_clkdm);
        ret |= clkdm_add_wkdep(mpuss_clkdm, l4_per_clkdm);
+        ret |= clkdm_add_wkdep(mpuss_clkdm, l4wkup);
        ret |= clkdm_add_wkdep(ducati_clkdm, l3_1_clkdm);
        ret |= clkdm_add_wkdep(ducati_clkdm, l3_2_clkdm);
        if (ret) {
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 8a18d1bd61c8..96ad3dbeac34 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -972,7 +972,13 @@ int pwrdm_wait_transition(struct powerdomain *pwrdm)
 int pwrdm_state_switch(struct powerdomain *pwrdm)
 {
-        return _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW);
+        int ret;
+        ret = pwrdm_wait_transition(pwrdm);
+        if (!ret)
+                ret = _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW);
+        return ret;
 }
 int pwrdm_clkdm_state_switch(struct clockdomain *clkdm)
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index eac623c7c3d8..f106d21ff581 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -147,8 +147,9 @@ static inline u32 _read_pending_irq_reg(u16 irqen_offs, u16 irqst_offs)
        u32 mask, st;
        /* XXX read mask from RAM? */
-        mask = omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST, irqen_offs);
+        mask = omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST,
-        st = omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST, irqst_offs);
+                                       irqen_offs);
+        st = omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST, irqst_offs);
        return mask & st;
 }
@@ -180,7 +181,7 @@ void omap44xx_prm_read_pending_irqs(unsigned long *events)
 */
 void omap44xx_prm_ocp_barrier(void)
 {
-        omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST,
+        omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST,
                                OMAP4_REVISION_PRM_OFFSET);
 }
@@ -198,19 +199,19 @@ void omap44xx_prm_ocp_barrier(void)
 void omap44xx_prm_save_and_clear_irqen(u32 *saved_mask)
 {
        saved_mask[0] =
-                omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST,
+                omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST,
                                        OMAP4_PRM_IRQSTATUS_MPU_OFFSET);
        saved_mask[1] =
-                omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST,
+                omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST,
                                        OMAP4_PRM_IRQSTATUS_MPU_2_OFFSET);
-        omap4_prm_write_inst_reg(0, OMAP4430_PRM_DEVICE_INST,
+        omap4_prm_write_inst_reg(0, OMAP4430_PRM_OCP_SOCKET_INST,
                                 OMAP4_PRM_IRQENABLE_MPU_OFFSET);
-        omap4_prm_write_inst_reg(0, OMAP4430_PRM_DEVICE_INST,
+        omap4_prm_write_inst_reg(0, OMAP4430_PRM_OCP_SOCKET_INST,
                                 OMAP4_PRM_IRQENABLE_MPU_2_OFFSET);
        /* OCP barrier */
-        omap4_prm_read_inst_reg(OMAP4430_PRM_DEVICE_INST,
+        omap4_prm_read_inst_reg(OMAP4430_PRM_OCP_SOCKET_INST,
                                OMAP4_REVISION_PRM_OFFSET);
 }
@@ -226,9 +227,9 @@ void omap44xx_prm_save_and_clear_irqen(u32 *saved_mask)
 */
 void omap44xx_prm_restore_irqen(u32 *saved_mask)
 {
-        omap4_prm_write_inst_reg(saved_mask[0], OMAP4430_PRM_DEVICE_INST,
+        omap4_prm_write_inst_reg(saved_mask[0], OMAP4430_PRM_OCP_SOCKET_INST,
                                 OMAP4_PRM_IRQENABLE_MPU_OFFSET);
-        omap4_prm_write_inst_reg(saved_mask[1], OMAP4430_PRM_DEVICE_INST,
+        omap4_prm_write_inst_reg(saved_mask[1], OMAP4430_PRM_OCP_SOCKET_INST,
                                 OMAP4_PRM_IRQENABLE_MPU_2_OFFSET);
 }
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 873b51d494ea..d28f848897d6 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -290,7 +290,7 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup)
                goto err;
        }
-        for (i = 0; i <= irq_setup->nr_regs; i++) {
+        for (i = 0; i < irq_setup->nr_regs; i++) {
                gc = irq_alloc_generic_chip("PRCM", 1,
                        irq_setup->base_irq + i * 32, prm_base,
                        handle_level_irq);
diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c
index f51348dafafd..dde8a11f47d5 100644
--- a/arch/arm/mach-omap2/usb-host.c
+++ b/arch/arm/mach-omap2/usb-host.c
@@ -54,7 +54,7 @@ static struct omap_device_pm_latency omap_uhhtll_latency[] = {
 /*
 * setup_ehci_io_mux - initialize IO pad mux for USBHOST
 */
-static void setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
+static void __init setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
 {
        switch (port_mode[0]) {
        case OMAP_EHCI_PORT_MODE_PHY:
@@ -197,7 +197,8 @@ static void setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
        return;
 }
-static void setup_4430ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
+static
+void __init setup_4430ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
 {
        switch (port_mode[0]) {
        case OMAP_EHCI_PORT_MODE_PHY:
@@ -315,7 +316,7 @@ static void setup_4430ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
        }
 }
-static void setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
+static void __init setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
 {
        switch (port_mode[0]) {
        case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
@@ -412,7 +413,8 @@ static void setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
        }
 }
-static void setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
+static
+void __init setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
 {
        switch (port_mode[0]) {
        case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 109ccd2a8885..fe2d1f80ef50 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -113,6 +113,7 @@ config MACH_ARMCORE
        select IWMMXT
        select PXA25x
        select MIGHT_HAVE_PCI
+        select NEED_MACH_IO_H if PCI
 config MACH_EM_X270
        bool "CompuLab EM-x270 platform"
diff --git a/arch/arm/mach-pxa/include/mach/io.h b/arch/arm/mach-pxa/include/mach/io.h
new file mode 100644
index 000000000000..cd78b7fe3567
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/io.h
@@ -0,0 +1,17 @@
+/*
+ * arch/arm/mach-pxa/include/mach/io.h
+ *
+ * Copied from asm/arch/sa1100/io.h
+ */
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+#define IO_SPACE_LIMIT 0xffffffff
+/*
+ * We don't actually have real ISA nor PCI buses, but there is so many
+ * drivers out there that might just work if we fake them...
+ */
+#define __io(a)         __typesafe_io(a)
+#endif
diff --git a/arch/arm/mach-s3c24xx/common.h b/arch/arm/mach-s3c24xx/common.h
new file mode 100644
index 000000000000..c2f596e7bc2d
--- /dev/null
+++ b/arch/arm/mach-s3c24xx/common.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * Common Header for S3C24XX SoCs
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ARCH_ARM_MACH_S3C24XX_COMMON_H
+#define __ARCH_ARM_MACH_S3C24XX_COMMON_H __FILE__
+void s3c2410_restart(char mode, const char *cmd);
+void s3c244x_restart(char mode, const char *cmd);
+#endif /* __ARCH_ARM_MACH_S3C24XX_COMMON_H */
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 48885b7efd6b..c7f418b0cde9 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -313,6 +313,10 @@ static struct sa1100fb_mach_info collie_lcd_info = {
        .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
        .lccr3          = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
+#ifdef CONFIG_BACKLIGHT_LOCOMO
+        .lcd_power      = locomolcd_power
+#endif
 };
 static void __init collie_init(void)
diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h
index 52acda7061b7..f33679d2d3ee 100644
--- a/arch/arm/mach-sa1100/include/mach/collie.h
+++ b/arch/arm/mach-sa1100/include/mach/collie.h
@@ -1,7 +1,7 @@
 /*
 * arch/arm/mach-sa1100/include/mach/collie.h
 *
- * This file contains the hardware specific definitions for Assabet
+ * This file contains the hardware specific definitions for Collie
 * Only include this file from SA1100-specific files.
 *
 * ChangeLog:
@@ -13,6 +13,7 @@
 #ifndef __ASM_ARCH_COLLIE_H
 #define __ASM_ARCH_COLLIE_H
+extern void locomolcd_power(int on);
 #define COLLIE_SCOOP_GPIO_BASE  (GPIO_MAX + 1)
 #define COLLIE_GPIO_CHARGE_ON   (COLLIE_SCOOP_GPIO_BASE + 0)
diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c
index a6e23f464528..d2268be8c34c 100644
--- a/arch/arm/mach-versatile/pci.c
+++ b/arch/arm/mach-versatile/pci.c
@@ -190,7 +190,7 @@ static struct resource pre_mem = {
        .flags  = IORESOURCE_MEM | IORESOURCE_PREFETCH,
 };
-static int __init pci_versatile_setup_resources(struct list_head *resources)
+static int __init pci_versatile_setup_resources(struct pci_sys_data *sys)
 {
        int ret = 0;
@@ -218,9 +218,9 @@ static int __init pci_versatile_setup_resources(struct list_head *resources)
         * the mem resource for this bus
         * the prefetch mem resource for this bus
         */
-        pci_add_resource_offset(resources, &io_mem, sys->io_offset);
+        pci_add_resource_offset(&sys->resources, &io_mem, sys->io_offset);
-        pci_add_resource_offset(resources, &non_mem, sys->mem_offset);
+        pci_add_resource_offset(&sys->resources, &non_mem, sys->mem_offset);
-        pci_add_resource_offset(resources, &pre_mem, sys->mem_offset);
+        pci_add_resource_offset(&sys->resources, &pre_mem, sys->mem_offset);
        goto out;
@@ -249,7 +249,7 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys)
        if (nr == 0) {
                sys->mem_offset = 0;
-                ret = pci_versatile_setup_resources(&sys->resources);
+                ret = pci_versatile_setup_resources(sys);
                if (ret < 0) {
                        printk("pci_versatile_setup: resources... oops?\n");
                        goto out;
diff --git a/arch/arm/plat-mxc/3ds_debugboard.c b/arch/arm/plat-mxc/3ds_debugboard.c
index d1e31fa1b0c3..5cac2c540f4f 100644
--- a/arch/arm/plat-mxc/3ds_debugboard.c
+++ b/arch/arm/plat-mxc/3ds_debugboard.c
@@ -80,7 +80,7 @@ static struct smsc911x_platform_config smsc911x_config = {
 static struct platform_device smsc_lan9217_device = {
        .name = "smsc911x",
-        .id = 0,
+        .id = -1,
        .dev = {
                .platform_data = &smsc911x_config,
        },
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index ce1e9b96ba1a..ad95c7a5d009 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -17,6 +17,7 @@ config ARCH_OMAP1
        select IRQ_DOMAIN
        select HAVE_IDE
        select NEED_MACH_MEMORY_H
+        select NEED_MACH_IO_H if PCCARD
        help
          "Systems based on omap7xx, omap15xx or omap16xx"
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 56b6f8b7053e..8506cbb7fea4 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -441,6 +441,8 @@ static int __init clk_disable_unused(void)
                return 0;
        pr_info("clock: disabling unused clocks to save power\n");
+        spin_lock_irqsave(&clockfw_lock, flags);
        list_for_each_entry(ck, &clocks, node) {
                if (ck->ops == &clkops_null)
                        continue;
@@ -448,10 +450,9 @@ static int __init clk_disable_unused(void)
                if (ck->usecount > 0 || !ck->enable_reg)
                        continue;
-                spin_lock_irqsave(&clockfw_lock, flags);
                arch_clock->clk_disable_unused(ck);
-                spin_unlock_irqrestore(&clockfw_lock, flags);
        }
+        spin_unlock_irqrestore(&clockfw_lock, flags);
        return 0;
 }
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index 9e8e63d52aab..8070145ccb98 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -47,17 +47,17 @@ extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2;
 * with the original PRCM protocol defined for OMAP2420
 */
 #define SYSC_TYPE1_MIDLEMODE_SHIFT      12
-#define SYSC_TYPE1_MIDLEMODE_MASK       (0x3 << SYSC_MIDLEMODE_SHIFT)
+#define SYSC_TYPE1_MIDLEMODE_MASK       (0x3 << SYSC_TYPE1_MIDLEMODE_SHIFT)
 #define SYSC_TYPE1_CLOCKACTIVITY_SHIFT  8
-#define SYSC_TYPE1_CLOCKACTIVITY_MASK   (0x3 << SYSC_CLOCKACTIVITY_SHIFT)
+#define SYSC_TYPE1_CLOCKACTIVITY_MASK   (0x3 << SYSC_TYPE1_CLOCKACTIVITY_SHIFT)
 #define SYSC_TYPE1_SIDLEMODE_SHIFT      3
-#define SYSC_TYPE1_SIDLEMODE_MASK       (0x3 << SYSC_SIDLEMODE_SHIFT)
+#define SYSC_TYPE1_SIDLEMODE_MASK       (0x3 << SYSC_TYPE1_SIDLEMODE_SHIFT)
 #define SYSC_TYPE1_ENAWAKEUP_SHIFT      2
-#define SYSC_TYPE1_ENAWAKEUP_MASK       (1 << SYSC_ENAWAKEUP_SHIFT)
+#define SYSC_TYPE1_ENAWAKEUP_MASK       (1 << SYSC_TYPE1_ENAWAKEUP_SHIFT)
 #define SYSC_TYPE1_SOFTRESET_SHIFT      1
-#define SYSC_TYPE1_SOFTRESET_MASK       (1 << SYSC_SOFTRESET_SHIFT)
+#define SYSC_TYPE1_SOFTRESET_MASK       (1 << SYSC_TYPE1_SOFTRESET_SHIFT)
 #define SYSC_TYPE1_AUTOIDLE_SHIFT       0
-#define SYSC_TYPE1_AUTOIDLE_MASK        (1 << SYSC_AUTOIDLE_SHIFT)
+#define SYSC_TYPE1_AUTOIDLE_MASK        (1 << SYSC_TYPE1_AUTOIDLE_SHIFT)
 /*
 * OCP SYSCONFIG bit shifts/masks TYPE2. These are for IPs compliant
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index c1269a1085e1..373a6902d8fa 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -823,7 +823,7 @@ config CACHELINE_ALIGNED_L1
        bool "Locate cacheline_aligned data to L1 Data Memory"
        default y if !BF54x
        default n if BF54x
-        depends on !SMP && !BF531
+        depends on !SMP && !BF531 && !CRC32
        help
          If enabled, cacheline_aligned data is linked
          into L1 data memory. (less latency)
diff --git a/arch/blackfin/configs/BF527-EZKIT_defconfig b/arch/blackfin/configs/BF527-EZKIT_defconfig
index 9ccc18a6b4df..90b175323644 100644
--- a/arch/blackfin/configs/BF527-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF527-EZKIT_defconfig
@@ -147,6 +147,7 @@ CONFIG_USB_OTG_BLACKLIST_HUB=y
 CONFIG_USB_MON=y
 CONFIG_USB_MUSB_HDRC=y
 CONFIG_USB_MUSB_BLACKFIN=y
+CONFIG_MUSB_PIO_ONLY=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_GADGET=y
 CONFIG_RTC_CLASS=y
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index 5a25856381ff..12d3571b5232 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -244,16 +244,26 @@ static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
        return -EINVAL;
 }
-static inline int gpio_get_value(unsigned gpio)
+static inline int __gpio_get_value(unsigned gpio)
 {
        return bfin_gpio_get_value(gpio);
 }
-static inline void gpio_set_value(unsigned gpio, int value)
+static inline void __gpio_set_value(unsigned gpio, int value)
 {
        return bfin_gpio_set_value(gpio, value);
 }
+static inline int gpio_get_value(unsigned gpio)
+{
+        return __gpio_get_value(gpio);
+}
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+        return __gpio_set_value(gpio, value);
+}
 static inline int gpio_to_irq(unsigned gpio)
 {
        if (likely(gpio < MAX_BLACKFIN_GPIOS))
diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c
index 304f675826e9..3b5a05099989 100644
--- a/arch/c6x/kernel/signal.c
+++ b/arch/c6x/kernel/signal.c
@@ -85,10 +85,7 @@ asmlinkage int do_rt_sigreturn(struct pt_regs *regs)
                goto badframe;
        sigdelsetmask(&set, ~_BLOCKABLE);
-        spin_lock_irq(&current->sighand->siglock);
+        set_current_blocked(&set);
-        current->blocked = set;
-        recalc_sigpending();
-        spin_unlock_irq(&current->sighand->siglock);
        if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
                goto badframe;
@@ -279,15 +276,8 @@ static int handle_signal(int sig,
        /* Set up the stack frame */
        ret = setup_rt_frame(sig, ka, info, oldset, regs);
-        if (ret == 0) {
+        if (ret == 0)
-                spin_lock_irq(&current->sighand->siglock);
+                block_sigmask(ka, sig);
-                sigorsets(&current->blocked, &current->blocked,
-                          &ka->sa.sa_mask);
-                if (!(ka->sa.sa_flags & SA_NODEFER))
-                        sigaddset(&current->blocked, sig);
-                recalc_sigpending();
-                spin_unlock_irq(&current->sighand->siglock);
-        }
        return ret;
 }
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 11270ca22c0a..96033e2d6845 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -12,7 +12,7 @@ config TILE
        select GENERIC_PENDING_IRQ if SMP
        select GENERIC_IRQ_SHOW
        select SYS_HYPERVISOR
-        select ARCH_HAVE_NMI_SAFE_CMPXCHG if !M386
+        select ARCH_HAVE_NMI_SAFE_CMPXCHG
 # FIXME: investigate whether we need/want these options.
 #       select HAVE_IOREMAP_PROT
@@ -69,6 +69,9 @@ config ARCH_PHYS_ADDR_T_64BIT
 config ARCH_DMA_ADDR_T_64BIT
        def_bool y
+config NEED_DMA_MAP_STATE
+        def_bool y
 config LOCKDEP_SUPPORT
        def_bool y
@@ -118,7 +121,7 @@ config 64BIT
 config ARCH_DEFCONFIG
        string
-        default "arch/tile/configs/tile_defconfig" if !TILEGX
+        default "arch/tile/configs/tilepro_defconfig" if !TILEGX
        default "arch/tile/configs/tilegx_defconfig" if TILEGX
 source "init/Kconfig"
@@ -240,6 +243,7 @@ endchoice
 config PAGE_OFFSET
        hex
+        depends on !64BIT
        default 0xF0000000 if VMSPLIT_3_75G
        default 0xE0000000 if VMSPLIT_3_5G
        default 0xB0000000 if VMSPLIT_2_75G
diff --git a/arch/tile/Makefile b/arch/tile/Makefile
index 17acce70569b..9520bc5a4b7f 100644
--- a/arch/tile/Makefile
+++ b/arch/tile/Makefile
@@ -30,7 +30,8 @@ ifneq ($(CONFIG_DEBUG_EXTRA_FLAGS),"")
 KBUILD_CFLAGS   += $(CONFIG_DEBUG_EXTRA_FLAGS)
 endif
-LIBGCC_PATH     := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
+LIBGCC_PATH     := \
+  $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
 # Provide the path to use for "make defconfig".
 KBUILD_DEFCONFIG := $(ARCH)_defconfig
@@ -53,8 +54,6 @@ libs-y		+= $(LIBGCC_PATH)
 # See arch/tile/Kbuild for content of core part of the kernel
 core-y          += arch/tile/
-core-$(CONFIG_KVM) += arch/tile/kvm/
 ifdef TILERA_ROOT
 INSTALL_PATH ?= $(TILERA_ROOT)/tile/boot
 endif
diff --git a/arch/tile/include/arch/spr_def.h b/arch/tile/include/arch/spr_def.h
index f548efeb2de3..d6ba449b5363 100644
--- a/arch/tile/include/arch/spr_def.h
+++ b/arch/tile/include/arch/spr_def.h
@@ -60,8 +60,8 @@
        _concat4(SPR_IPI_EVENT_, CONFIG_KERNEL_PL,,)
 #define SPR_IPI_EVENT_RESET_K \
        _concat4(SPR_IPI_EVENT_RESET_, CONFIG_KERNEL_PL,,)
-#define SPR_IPI_MASK_SET_K \
+#define SPR_IPI_EVENT_SET_K \
-        _concat4(SPR_IPI_MASK_SET_, CONFIG_KERNEL_PL,,)
+        _concat4(SPR_IPI_EVENT_SET_, CONFIG_KERNEL_PL,,)
 #define INT_IPI_K \
        _concat4(INT_IPI_, CONFIG_KERNEL_PL,,)
diff --git a/arch/tile/include/asm/atomic.h b/arch/tile/include/asm/atomic.h
index bb696da5d7cd..f2461429a4a4 100644
--- a/arch/tile/include/asm/atomic.h
+++ b/arch/tile/include/asm/atomic.h
@@ -17,6 +17,8 @@
 #ifndef _ASM_TILE_ATOMIC_H
 #define _ASM_TILE_ATOMIC_H
+#include <asm/cmpxchg.h>
 #ifndef __ASSEMBLY__
 #include <linux/compiler.h>
@@ -121,54 +123,6 @@ static inline int atomic_read(const atomic_t *v)
 */
 #define atomic_add_negative(i, v)       (atomic_add_return((i), (v)) < 0)
-/* Nonexistent functions intended to cause link errors. */
-extern unsigned long __xchg_called_with_bad_pointer(void);
-extern unsigned long __cmpxchg_called_with_bad_pointer(void);
-#define xchg(ptr, x)                                                    \
-        ({                                                              \
-                typeof(*(ptr)) __x;                                     \
-                switch (sizeof(*(ptr))) {                               \
-                case 4:                                                 \
-                        __x = (typeof(__x))(typeof(__x-__x))atomic_xchg( \
-                                (atomic_t *)(ptr),                      \
-                                (u32)(typeof((x)-(x)))(x));             \
-                        break;                                          \
-                case 8:                                                 \
-                        __x = (typeof(__x))(typeof(__x-__x))atomic64_xchg( \
-                                (atomic64_t *)(ptr),                    \
-                                (u64)(typeof((x)-(x)))(x));             \
-                        break;                                          \
-                default:                                                \
-                        __xchg_called_with_bad_pointer();               \
-                }                                                       \
-                __x;                                                    \
-        })
-#define cmpxchg(ptr, o, n)                                              \
-        ({                                                              \
-                typeof(*(ptr)) __x;                                     \
-                switch (sizeof(*(ptr))) {                               \
-                case 4:                                                 \
-                        __x = (typeof(__x))(typeof(__x-__x))atomic_cmpxchg( \
-                                (atomic_t *)(ptr),                      \
-                                (u32)(typeof((o)-(o)))(o),              \
-                                (u32)(typeof((n)-(n)))(n));             \
-                        break;                                          \
-                case 8:                                                 \
-                        __x = (typeof(__x))(typeof(__x-__x))atomic64_cmpxchg( \
-                                (atomic64_t *)(ptr),                    \
-                                (u64)(typeof((o)-(o)))(o),              \
-                                (u64)(typeof((n)-(n)))(n));             \
-                        break;                                          \
-                default:                                                \
-                        __cmpxchg_called_with_bad_pointer();            \
-                }                                                       \
-                __x;                                                    \
-        })
-#define tas(ptr) (xchg((ptr), 1))
 #endif /* __ASSEMBLY__ */
 #ifndef __tilegx__
diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h
index 466dc4a39a4f..54d1da826f93 100644
--- a/arch/tile/include/asm/atomic_32.h
+++ b/arch/tile/include/asm/atomic_32.h
@@ -200,7 +200,7 @@ static inline u64 atomic64_add_return(u64 i, atomic64_t *v)
 * @u: ...unless v is equal to u.
 *
 * Atomically adds @a to @v, so long as @v was not already @u.
- * Returns the old value of @v.
+ * Returns non-zero if @v was not @u, and zero otherwise.
 */
 static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u)
 {
diff --git a/arch/tile/include/asm/bitops_64.h b/arch/tile/include/asm/bitops_64.h
index 58d021a9834f..60b87ee54fb8 100644
--- a/arch/tile/include/asm/bitops_64.h
+++ b/arch/tile/include/asm/bitops_64.h
@@ -38,10 +38,10 @@ static inline void clear_bit(unsigned nr, volatile unsigned long *addr)
 static inline void change_bit(unsigned nr, volatile unsigned long *addr)
 {
-        unsigned long old, mask = (1UL << (nr % BITS_PER_LONG));
+        unsigned long mask = (1UL << (nr % BITS_PER_LONG));
-        long guess, oldval;
+        unsigned long guess, oldval;
        addr += nr / BITS_PER_LONG;
-        old = *addr;
+        oldval = *addr;
        do {
                guess = oldval;
                oldval = atomic64_cmpxchg((atomic64_t *)addr,
@@ -85,7 +85,7 @@ static inline int test_and_change_bit(unsigned nr,
                                      volatile unsigned long *addr)
 {
        unsigned long mask = (1UL << (nr % BITS_PER_LONG));
-        long guess, oldval = *addr;
+        unsigned long guess, oldval;
        addr += nr / BITS_PER_LONG;
        oldval = *addr;
        do {
diff --git a/arch/tile/include/asm/cmpxchg.h b/arch/tile/include/asm/cmpxchg.h
new file mode 100644
index 000000000000..276f067e3640
--- /dev/null
+++ b/arch/tile/include/asm/cmpxchg.h
@@ -0,0 +1,73 @@
+/*
+ * cmpxchg.h -- forked from asm/atomic.h with this copyright:
+ *
+ * Copyright 2010 Tilera Corporation. All Rights Reserved.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation, version 2.
+ *
+ *   This program is distributed in the hope that it will be useful, but
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ *   NON INFRINGEMENT.  See the GNU General Public License for
+ *   more details.
+ *
+ */
+#ifndef _ASM_TILE_CMPXCHG_H
+#define _ASM_TILE_CMPXCHG_H
+#ifndef __ASSEMBLY__
+/* Nonexistent functions intended to cause link errors. */
+extern unsigned long __xchg_called_with_bad_pointer(void);
+extern unsigned long __cmpxchg_called_with_bad_pointer(void);
+#define xchg(ptr, x)                                                    \
+        ({                                                              \
+                typeof(*(ptr)) __x;                                     \
+                switch (sizeof(*(ptr))) {                               \
+                case 4:                                                 \
+                        __x = (typeof(__x))(typeof(__x-__x))atomic_xchg( \
+                                (atomic_t *)(ptr),                      \
+                                (u32)(typeof((x)-(x)))(x));             \
+                        break;                                          \
+                case 8:                                                 \
+                        __x = (typeof(__x))(typeof(__x-__x))atomic64_xchg( \
+                                (atomic64_t *)(ptr),                    \
+                                (u64)(typeof((x)-(x)))(x));             \
+                        break;                                          \
+                default:                                                \
+                        __xchg_called_with_bad_pointer();               \
+                }                                                       \
+                __x;                                                    \
+        })
+#define cmpxchg(ptr, o, n)                                              \
+        ({                                                              \
+                typeof(*(ptr)) __x;                                     \
+                switch (sizeof(*(ptr))) {                               \
+                case 4:                                                 \
+                        __x = (typeof(__x))(typeof(__x-__x))atomic_cmpxchg( \
+                                (atomic_t *)(ptr),                      \
+                                (u32)(typeof((o)-(o)))(o),              \
+                                (u32)(typeof((n)-(n)))(n));             \
+                        break;                                          \
+                case 8:                                                 \
+                        __x = (typeof(__x))(typeof(__x-__x))atomic64_cmpxchg( \
+                                (atomic64_t *)(ptr),                    \
+                                (u64)(typeof((o)-(o)))(o),              \
+                                (u64)(typeof((n)-(n)))(n));             \
+                        break;                                          \
+                default:                                                \
+                        __cmpxchg_called_with_bad_pointer();            \
+                }                                                       \
+                __x;                                                    \
+        })
+#define tas(ptr) (xchg((ptr), 1))
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_TILE_CMPXCHG_H */
diff --git a/arch/tile/include/asm/irq.h b/arch/tile/include/asm/irq.h
index f80f8ceabc67..33cff9a3058b 100644
--- a/arch/tile/include/asm/irq.h
+++ b/arch/tile/include/asm/irq.h
@@ -21,7 +21,7 @@
 #define NR_IRQS 32
 /* IRQ numbers used for linux IPIs. */
-#define IRQ_RESCHEDULE 1
+#define IRQ_RESCHEDULE 0
 #define irq_canonicalize(irq)   (irq)
diff --git a/arch/tile/include/asm/spinlock_64.h b/arch/tile/include/asm/spinlock_64.h
index 72be5904e020..5f8b6a095fd8 100644
--- a/arch/tile/include/asm/spinlock_64.h
+++ b/arch/tile/include/asm/spinlock_64.h
@@ -137,7 +137,7 @@ static inline void arch_read_unlock(arch_rwlock_t *rw)
 static inline void arch_write_unlock(arch_rwlock_t *rw)
 {
        __insn_mf();
-        rw->lock = 0;
+        __insn_exch4(&rw->lock, 0);  /* Avoid waiting in the write buffer. */
 }
 static inline int arch_read_trylock(arch_rwlock_t *rw)
diff --git a/arch/tile/include/asm/stack.h b/arch/tile/include/asm/stack.h
index 4d97a2db932e..0e9d382a2d45 100644
--- a/arch/tile/include/asm/stack.h
+++ b/arch/tile/include/asm/stack.h
@@ -25,7 +25,6 @@
 struct KBacktraceIterator {
        BacktraceIterator it;
        struct task_struct *task;     /* task we are backtracing */
-        pte_t *pgtable;               /* page table for user space access */
        int end;                      /* iteration complete. */
        int new_context;              /* new context is starting */
        int profile;                  /* profiling, so stop on async intrpt */
diff --git a/arch/tile/include/asm/traps.h b/arch/tile/include/asm/traps.h
index 5f20f920f932..e28c3df4176a 100644
--- a/arch/tile/include/asm/traps.h
+++ b/arch/tile/include/asm/traps.h
@@ -64,7 +64,11 @@ void do_breakpoint(struct pt_regs *, int fault_num);
 #ifdef __tilegx__
+/* kernel/single_step.c */
 void gx_singlestep_handle(struct pt_regs *, int fault_num);
+/* kernel/intvec_64.S */
+void fill_ra_stack(void);
 #endif
-#endif /* _ASM_TILE_SYSCALLS_H */
+#endif /* _ASM_TILE_TRAPS_H */
diff --git a/arch/tile/kernel/entry.S b/arch/tile/kernel/entry.S
index 431e9ae60488..ec91568df880 100644
--- a/arch/tile/kernel/entry.S
+++ b/arch/tile/kernel/entry.S
@@ -85,6 +85,7 @@ STD_ENTRY(cpu_idle_on_new_stack)
 /* Loop forever on a nap during SMP boot. */
 STD_ENTRY(smp_nap)
        nap
+        nop       /* avoid provoking the icache prefetch with a jump */
        j smp_nap /* we are not architecturally guaranteed not to exit nap */
        jrp lr    /* clue in the backtracer */
        STD_ENDPROC(smp_nap)
@@ -105,5 +106,6 @@ STD_ENTRY(_cpu_idle)
        .global _cpu_idle_nap
 _cpu_idle_nap:
        nap
+        nop       /* avoid provoking the icache prefetch with a jump */
        jrp lr
        STD_ENDPROC(_cpu_idle)
diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S
index aecc8ed5f39b..5d56a1ef5ba5 100644
--- a/arch/tile/kernel/intvec_32.S
+++ b/arch/tile/kernel/intvec_32.S
@@ -799,6 +799,10 @@ handle_interrupt:
 * This routine takes a boolean in r30 indicating if this is an NMI.
 * If so, we also expect a boolean in r31 indicating whether to
 * re-enable the oprofile interrupts.
+ *
+ * Note that .Lresume_userspace is jumped to directly in several
+ * places, and we need to make sure r30 is set correctly in those
+ * callers as well.
 */
 STD_ENTRY(interrupt_return)
        /* If we're resuming to kernel space, don't check thread flags. */
@@ -1237,7 +1241,10 @@ handle_syscall:
        bzt     r30, 1f
        jal     do_syscall_trace
        FEEDBACK_REENTER(handle_syscall)
-1:      j       .Lresume_userspace   /* jump into middle of interrupt_return */
+1:      {
+         movei  r30, 0               /* not an NMI */
+         j      .Lresume_userspace   /* jump into middle of interrupt_return */
+        }
 .Linvalid_syscall:
        /* Report an invalid syscall back to the user program */
@@ -1246,7 +1253,10 @@ handle_syscall:
         movei  r28, -ENOSYS
        }
        sw      r29, r28
-        j       .Lresume_userspace   /* jump into middle of interrupt_return */
+        {
+         movei  r30, 0               /* not an NMI */
+         j      .Lresume_userspace   /* jump into middle of interrupt_return */
+        }
        STD_ENDPROC(handle_syscall)
        /* Return the address for oprofile to suppress in backtraces. */
@@ -1262,7 +1272,10 @@ STD_ENTRY(ret_from_fork)
        jal     sim_notify_fork
        jal     schedule_tail
        FEEDBACK_REENTER(ret_from_fork)
-        j       .Lresume_userspace   /* jump into middle of interrupt_return */
+        {
+         movei  r30, 0               /* not an NMI */
+         j      .Lresume_userspace   /* jump into middle of interrupt_return */
+        }
        STD_ENDPROC(ret_from_fork)
        /*
@@ -1376,7 +1389,10 @@ handle_ill:
        jal     send_sigtrap    /* issue a SIGTRAP */
        FEEDBACK_REENTER(handle_ill)
-        j       .Lresume_userspace   /* jump into middle of interrupt_return */
+        {
+         movei  r30, 0               /* not an NMI */
+         j      .Lresume_userspace   /* jump into middle of interrupt_return */
+        }
 .Ldispatch_normal_ill:
        {
diff --git a/arch/tile/kernel/intvec_64.S b/arch/tile/kernel/intvec_64.S
index 79c93e10ba27..49d9d6621682 100644
--- a/arch/tile/kernel/intvec_64.S
+++ b/arch/tile/kernel/intvec_64.S
@@ -22,6 +22,7 @@
 #include <asm/irqflags.h>
 #include <asm/asm-offsets.h>
 #include <asm/types.h>
+#include <asm/signal.h>
 #include <hv/hypervisor.h>
 #include <arch/abi.h>
 #include <arch/interrupts.h>
@@ -605,6 +606,10 @@ handle_interrupt:
 * This routine takes a boolean in r30 indicating if this is an NMI.
 * If so, we also expect a boolean in r31 indicating whether to
 * re-enable the oprofile interrupts.
+ *
+ * Note that .Lresume_userspace is jumped to directly in several
+ * places, and we need to make sure r30 is set correctly in those
+ * callers as well.
 */
 STD_ENTRY(interrupt_return)
        /* If we're resuming to kernel space, don't check thread flags. */
@@ -1039,11 +1044,28 @@ handle_syscall:
        /* Do syscall trace again, if requested. */
        ld      r30, r31
-        andi    r30, r30, _TIF_SYSCALL_TRACE
+        andi    r0, r30, _TIF_SYSCALL_TRACE
-        beqzt   r30, 1f
+        {
+         andi    r0, r30, _TIF_SINGLESTEP
+         beqzt   r0, 1f
+        }
        jal     do_syscall_trace
        FEEDBACK_REENTER(handle_syscall)
-1:      j       .Lresume_userspace   /* jump into middle of interrupt_return */
+        andi    r0, r30, _TIF_SINGLESTEP
+1:      beqzt   r0, 2f
+        /* Single stepping -- notify ptrace. */
+        {
+         movei   r0, SIGTRAP
+         jal     ptrace_notify
+        }
+        FEEDBACK_REENTER(handle_syscall)
+2:      {
+         movei  r30, 0               /* not an NMI */
+         j      .Lresume_userspace   /* jump into middle of interrupt_return */
+        }
 .Lcompat_syscall:
        /*
@@ -1077,7 +1099,10 @@ handle_syscall:
         movei  r28, -ENOSYS
        }
        st      r29, r28
-        j       .Lresume_userspace   /* jump into middle of interrupt_return */
+        {
+         movei  r30, 0               /* not an NMI */
+         j      .Lresume_userspace   /* jump into middle of interrupt_return */
+        }
        STD_ENDPROC(handle_syscall)
        /* Return the address for oprofile to suppress in backtraces. */
@@ -1093,7 +1118,10 @@ STD_ENTRY(ret_from_fork)
        jal     sim_notify_fork
        jal     schedule_tail
        FEEDBACK_REENTER(ret_from_fork)
-        j       .Lresume_userspace
+        {
+         movei  r30, 0               /* not an NMI */
+         j      .Lresume_userspace   /* jump into middle of interrupt_return */
+        }
        STD_ENDPROC(ret_from_fork)
 /* Various stub interrupt handlers and syscall handlers */
@@ -1156,6 +1184,18 @@ int_unalign:
        push_extra_callee_saves r0
        j       do_trap
+/* Fill the return address stack with nonzero entries. */
+STD_ENTRY(fill_ra_stack)
+        {
+         move   r0, lr
+         jal    1f
+        }
+1:      jal     2f
+2:      jal     3f
+3:      jal     4f
+4:      jrp     r0
+        STD_ENDPROC(fill_ra_stack)
 /* Include .intrpt1 array of interrupt vectors */
        .section ".intrpt1", "ax"
@@ -1166,7 +1206,7 @@ int_unalign:
 #define do_hardwall_trap bad_intr
 #endif
-        int_hand     INT_MEM_ERROR, MEM_ERROR, bad_intr
+        int_hand     INT_MEM_ERROR, MEM_ERROR, do_trap
        int_hand     INT_SINGLE_STEP_3, SINGLE_STEP_3, bad_intr
 #if CONFIG_KERNEL_PL == 2
        int_hand     INT_SINGLE_STEP_2, SINGLE_STEP_2, gx_singlestep_handle
diff --git a/arch/tile/kernel/module.c b/arch/tile/kernel/module.c
index b90ab9925674..98d476920106 100644
--- a/arch/tile/kernel/module.c
+++ b/arch/tile/kernel/module.c
@@ -67,6 +67,8 @@ void *module_alloc(unsigned long size)
        area = __get_vm_area(size, VM_ALLOC, MEM_MODULE_START, MEM_MODULE_END);
        if (!area)
                goto error;
+        area->nr_pages = npages;
+        area->pages = pages;
        if (map_vm_area(area, prot_rwx, &pages)) {
                vunmap(area->addr);
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index 30caecac94dc..2d5ef617bb39 100644
--- a/arch/tile/kernel/process.c
+++ b/arch/tile/kernel/process.c
@@ -28,6 +28,7 @@
 #include <linux/tracehook.h>
 #include <linux/signal.h>
 #include <asm/stack.h>
+#include <asm/switch_to.h>
 #include <asm/homecache.h>
 #include <asm/syscalls.h>
 #include <asm/traps.h>
@@ -285,7 +286,7 @@ struct task_struct *validate_current(void)
        static struct task_struct corrupt = { .comm = "<corrupt>" };
        struct task_struct *tsk = current;
        if (unlikely((unsigned long)tsk < PAGE_OFFSET ||
-                     (void *)tsk > high_memory ||
+                     (high_memory && (void *)tsk > high_memory) ||
                     ((unsigned long)tsk & (__alignof__(*tsk) - 1)) != 0)) {
                pr_err("Corrupt 'current' %p (sp %#lx)\n", tsk, stack_pointer);
                tsk = &corrupt;
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index 92a94f4920ad..bff23f476110 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -103,13 +103,11 @@ unsigned long __initdata pci_reserve_end_pfn = -1U;
 static int __init setup_maxmem(char *str)
 {
-        long maxmem_mb;
+        unsigned long long maxmem;
-        if (str == NULL || strict_strtol(str, 0, &maxmem_mb) != 0 ||
+        if (str == NULL || (maxmem = memparse(str, NULL)) == 0)
-            maxmem_mb == 0)
                return -EINVAL;
-        maxmem_pfn = (maxmem_mb >> (HPAGE_SHIFT - 20)) <<
+        maxmem_pfn = (maxmem >> HPAGE_SHIFT) << (HPAGE_SHIFT - PAGE_SHIFT);
-                (HPAGE_SHIFT - PAGE_SHIFT);
        pr_info("Forcing RAM used to no more than %dMB\n",
               maxmem_pfn >> (20 - PAGE_SHIFT));
        return 0;
@@ -119,14 +117,15 @@ early_param("maxmem", setup_maxmem);
 static int __init setup_maxnodemem(char *str)
 {
        char *endp;
-        long maxnodemem_mb, node;
+        unsigned long long maxnodemem;
+        long node;
        node = str ? simple_strtoul(str, &endp, 0) : INT_MAX;
-        if (node >= MAX_NUMNODES || *endp != ':' ||
+        if (node >= MAX_NUMNODES || *endp != ':')
-            strict_strtol(endp+1, 0, &maxnodemem_mb) != 0)
                return -EINVAL;
-        maxnodemem_pfn[node] = (maxnodemem_mb >> (HPAGE_SHIFT - 20)) <<
+        maxnodemem = memparse(endp+1, NULL);
+        maxnodemem_pfn[node] = (maxnodemem >> HPAGE_SHIFT) <<
                (HPAGE_SHIFT - PAGE_SHIFT);
        pr_info("Forcing RAM used on node %ld to no more than %dMB\n",
               node, maxnodemem_pfn[node] >> (20 - PAGE_SHIFT));
@@ -913,6 +912,13 @@ void __cpuinit setup_cpu(int boot)
 #ifdef CONFIG_BLK_DEV_INITRD
+/*
+ * Note that the kernel can potentially support other compression
+ * techniques than gz, though we don't do so by default.  If we ever
+ * decide to do so we can either look for other filename extensions,
+ * or just allow a file with this name to be compressed with an
+ * arbitrary compressor (somewhat counterintuitively).
+ */
 static int __initdata set_initramfs_file;
 static char __initdata initramfs_file[128] = "initramfs.cpio.gz";
@@ -928,9 +934,9 @@ static int __init setup_initramfs_file(char *str)
 early_param("initramfs_file", setup_initramfs_file);
 /*
- * We look for an additional "initramfs.cpio.gz" file in the hvfs.
+ * We look for an "initramfs.cpio.gz" file in the hvfs.
 * If there is one, we allocate some memory for it and it will be
- * unpacked to the initramfs after any built-in initramfs_data.
+ * unpacked to the initramfs.
 */
 static void __init load_hv_initrd(void)
 {
diff --git a/arch/tile/kernel/single_step.c b/arch/tile/kernel/single_step.c
index bc1eb586e24d..9efbc1391b3c 100644
--- a/arch/tile/kernel/single_step.c
+++ b/arch/tile/kernel/single_step.c
@@ -153,6 +153,25 @@ static tile_bundle_bits rewrite_load_store_unaligned(
        if (((unsigned long)addr % size) == 0)
                return bundle;
+        /*
+         * Return SIGBUS with the unaligned address, if requested.
+         * Note that we return SIGBUS even for completely invalid addresses
+         * as long as they are in fact unaligned; this matches what the
+         * tilepro hardware would be doing, if it could provide us with the
+         * actual bad address in an SPR, which it doesn't.
+         */
+        if (unaligned_fixup == 0) {
+                siginfo_t info = {
+                        .si_signo = SIGBUS,
+                        .si_code = BUS_ADRALN,
+                        .si_addr = addr
+                };
+                trace_unhandled_signal("unaligned trap", regs,
+                                       (unsigned long)addr, SIGBUS);
+                force_sig_info(info.si_signo, &info, current);
+                return (tilepro_bundle_bits) 0;
+        }
 #ifndef __LITTLE_ENDIAN
 # error We assume little-endian representation with copy_xx_user size 2 here
 #endif
@@ -192,18 +211,6 @@ static tile_bundle_bits rewrite_load_store_unaligned(
                return (tile_bundle_bits) 0;
        }
-        if (unaligned_fixup == 0) {
-                siginfo_t info = {
-                        .si_signo = SIGBUS,
-                        .si_code = BUS_ADRALN,
-                        .si_addr = addr
-                };
-                trace_unhandled_signal("unaligned trap", regs,
-                                       (unsigned long)addr, SIGBUS);
-                force_sig_info(info.si_signo, &info, current);
-                return (tile_bundle_bits) 0;
-        }
        if (unaligned_printk || unaligned_fixup_count == 0) {
                pr_info("Process %d/%s: PC %#lx: Fixup of"
                        " unaligned %s at %#lx.\n",
diff --git a/arch/tile/kernel/smp.c b/arch/tile/kernel/smp.c
index a44e103c5a63..91da0f721958 100644
--- a/arch/tile/kernel/smp.c
+++ b/arch/tile/kernel/smp.c
@@ -103,7 +103,7 @@ static void smp_stop_cpu_interrupt(void)
        set_cpu_online(smp_processor_id(), 0);
        arch_local_irq_disable_all();
        for (;;)
-                asm("nap");
+                asm("nap; nop");
 }
 /* This function calls the 'stop' function on all other CPUs in the system. */
@@ -113,6 +113,12 @@ void smp_send_stop(void)
        send_IPI_allbutself(MSG_TAG_STOP_CPU);
 }
+/* On panic, just wait; we may get an smp_send_stop() later on. */
+void panic_smp_self_stop(void)
+{
+        while (1)
+                asm("nap; nop");
+}
 /*
 * Dispatch code called from hv_message_intr() for HV_MSG_TILE hv messages.
diff --git a/arch/tile/kernel/stack.c b/arch/tile/kernel/stack.c
index 37ee4d037e0b..b2f44c28dda6 100644
--- a/arch/tile/kernel/stack.c
+++ b/arch/tile/kernel/stack.c
@@ -21,10 +21,12 @@
 #include <linux/stacktrace.h>
 #include <linux/uaccess.h>
 #include <linux/mmzone.h>
+#include <linux/dcache.h>
+#include <linux/fs.h>
 #include <asm/backtrace.h>
 #include <asm/page.h>
-#include <asm/tlbflush.h>
 #include <asm/ucontext.h>
+#include <asm/switch_to.h>
 #include <asm/sigframe.h>
 #include <asm/stack.h>
 #include <arch/abi.h>
@@ -44,72 +46,23 @@ static int in_kernel_stack(struct KBacktraceIterator *kbt, unsigned long sp)
        return sp >= kstack_base && sp < kstack_base + THREAD_SIZE;
 }
-/* Is address valid for reading? */
-static int valid_address(struct KBacktraceIterator *kbt, unsigned long address)
-{
-        HV_PTE *l1_pgtable = kbt->pgtable;
-        HV_PTE *l2_pgtable;
-        unsigned long pfn;
-        HV_PTE pte;
-        struct page *page;
-        if (l1_pgtable == NULL)
-                return 0;       /* can't read user space in other tasks */
-#ifdef CONFIG_64BIT
-        /* Find the real l1_pgtable by looking in the l0_pgtable. */
-        pte = l1_pgtable[HV_L0_INDEX(address)];
-        if (!hv_pte_get_present(pte))
-                return 0;
-        pfn = hv_pte_get_pfn(pte);
-        if (pte_huge(pte)) {
-                if (!pfn_valid(pfn)) {
-                        pr_err("L0 huge page has bad pfn %#lx\n", pfn);
-                        return 0;
-                }
-                return hv_pte_get_present(pte) && hv_pte_get_readable(pte);
-        }
-        page = pfn_to_page(pfn);
-        BUG_ON(PageHighMem(page));  /* No HIGHMEM on 64-bit. */
-        l1_pgtable = (HV_PTE *)pfn_to_kaddr(pfn);
-#endif
-        pte = l1_pgtable[HV_L1_INDEX(address)];
-        if (!hv_pte_get_present(pte))
-                return 0;
-        pfn = hv_pte_get_pfn(pte);
-        if (pte_huge(pte)) {
-                if (!pfn_valid(pfn)) {
-                        pr_err("huge page has bad pfn %#lx\n", pfn);
-                        return 0;
-                }
-                return hv_pte_get_present(pte) && hv_pte_get_readable(pte);
-        }
-        page = pfn_to_page(pfn);
-        if (PageHighMem(page)) {
-                pr_err("L2 page table not in LOWMEM (%#llx)\n",
-                       HV_PFN_TO_CPA(pfn));
-                return 0;
-        }
-        l2_pgtable = (HV_PTE *)pfn_to_kaddr(pfn);
-        pte = l2_pgtable[HV_L2_INDEX(address)];
-        return hv_pte_get_present(pte) && hv_pte_get_readable(pte);
-}
 /* Callback for backtracer; basically a glorified memcpy */
 static bool read_memory_func(void *result, unsigned long address,
                             unsigned int size, void *vkbt)
 {
        int retval;
        struct KBacktraceIterator *kbt = (struct KBacktraceIterator *)vkbt;
+        if (address == 0)
+                return 0;
        if (__kernel_text_address(address)) {
                /* OK to read kernel code. */
        } else if (address >= PAGE_OFFSET) {
                /* We only tolerate kernel-space reads of this task's stack */
                if (!in_kernel_stack(kbt, address))
                        return 0;
-        } else if (!valid_address(kbt, address)) {
+        } else if (!kbt->is_current) {
-                return 0;       /* invalid user-space address */
+                return 0;       /* can't read from other user address spaces */
        }
        pagefault_disable();
        retval = __copy_from_user_inatomic(result,
@@ -127,6 +80,8 @@ static struct pt_regs *valid_fault_handler(struct KBacktraceIterator* kbt)
        unsigned long sp = kbt->it.sp;
        struct pt_regs *p;
+        if (sp % sizeof(long) != 0)
+                return NULL;
        if (!in_kernel_stack(kbt, sp))
                return NULL;
        if (!in_kernel_stack(kbt, sp + C_ABI_SAVE_AREA_SIZE + PTREGS_SIZE-1))
@@ -169,27 +124,27 @@ static int is_sigreturn(unsigned long pc)
 }
 /* Return a pt_regs pointer for a valid signal handler frame */
-static struct pt_regs *valid_sigframe(struct KBacktraceIterator* kbt)
+static struct pt_regs *valid_sigframe(struct KBacktraceIterator* kbt,
+                                      struct rt_sigframe* kframe)
 {
        BacktraceIterator *b = &kbt->it;
-        if (b->pc == VDSO_BASE) {
+        if (b->pc == VDSO_BASE && b->sp < PAGE_OFFSET &&
-                struct rt_sigframe *frame;
+            b->sp % sizeof(long) == 0) {
-                unsigned long sigframe_top =
+                int retval;
-                        b->sp + sizeof(struct rt_sigframe) - 1;
+                pagefault_disable();
-                if (!valid_address(kbt, b->sp) ||
+                retval = __copy_from_user_inatomic(
-                    !valid_address(kbt, sigframe_top)) {
+                        kframe, (void __user __force *)b->sp,
-                        if (kbt->verbose)
+                        sizeof(*kframe));
-                                pr_err("  (odd signal: sp %#lx?)\n",
+                pagefault_enable();
-                                       (unsigned long)(b->sp));
+                if (retval != 0 ||
+                    (unsigned int)(kframe->info.si_signo) >= _NSIG)
                        return NULL;
-                }
-                frame = (struct rt_sigframe *)b->sp;
                if (kbt->verbose) {
                        pr_err("  <received signal %d>\n",
-                               frame->info.si_signo);
+                               kframe->info.si_signo);
                }
-                return (struct pt_regs *)&frame->uc.uc_mcontext;
+                return (struct pt_regs *)&kframe->uc.uc_mcontext;
        }
        return NULL;
 }
@@ -202,10 +157,11 @@ static int KBacktraceIterator_is_sigreturn(struct KBacktraceIterator *kbt)
 static int KBacktraceIterator_restart(struct KBacktraceIterator *kbt)
 {
        struct pt_regs *p;
+        struct rt_sigframe kframe;
        p = valid_fault_handler(kbt);
        if (p == NULL)
-                p = valid_sigframe(kbt);
+                p = valid_sigframe(kbt, &kframe);
        if (p == NULL)
                return 0;
        backtrace_init(&kbt->it, read_memory_func, kbt,
@@ -265,41 +221,19 @@ void KBacktraceIterator_init(struct KBacktraceIterator *kbt,
        /*
         * Set up callback information.  We grab the kernel stack base
-         * so we will allow reads of that address range, and if we're
+         * so we will allow reads of that address range.
-         * asking about the current process we grab the page table
-         * so we can check user accesses before trying to read them.
-         * We flush the TLB to avoid any weird skew issues.
         */
-        is_current = (t == NULL);
+        is_current = (t == NULL || t == current);
        kbt->is_current = is_current;
        if (is_current)
                t = validate_current();
        kbt->task = t;
-        kbt->pgtable = NULL;
        kbt->verbose = 0;   /* override in caller if desired */
        kbt->profile = 0;   /* override in caller if desired */
        kbt->end = KBT_ONGOING;
-        kbt->new_context = 0;
+        kbt->new_context = 1;
-        if (is_current) {
+        if (is_current)
-                HV_PhysAddr pgdir_pa = hv_inquire_context().page_table;
-                if (pgdir_pa == (unsigned long)swapper_pg_dir - PAGE_OFFSET) {
-                        /*
-                         * Not just an optimization: this also allows
-                         * this to work at all before va/pa mappings
-                         * are set up.
-                         */
-                        kbt->pgtable = swapper_pg_dir;
-                } else {
-                        struct page *page = pfn_to_page(PFN_DOWN(pgdir_pa));
-                        if (!PageHighMem(page))
-                                kbt->pgtable = __va(pgdir_pa);
-                        else
-                                pr_err("page table not in LOWMEM"
-                                       " (%#llx)\n", pgdir_pa);
-                }
-                local_flush_tlb_all();
                validate_stack(regs);
-        }
        if (regs == NULL) {
                if (is_current || t->state == TASK_RUNNING) {
@@ -345,6 +279,78 @@ void KBacktraceIterator_next(struct KBacktraceIterator *kbt)
 }
 EXPORT_SYMBOL(KBacktraceIterator_next);
+static void describe_addr(struct KBacktraceIterator *kbt,
+                          unsigned long address,
+                          int have_mmap_sem, char *buf, size_t bufsize)
+{
+        struct vm_area_struct *vma;
+        size_t namelen, remaining;
+        unsigned long size, offset, adjust;
+        char *p, *modname;
+        const char *name;
+        int rc;
+        /*
+         * Look one byte back for every caller frame (i.e. those that
+         * aren't a new context) so we look up symbol data for the
+         * call itself, not the following instruction, which may be on
+         * a different line (or in a different function).
+         */
+        adjust = !kbt->new_context;
+        address -= adjust;
+        if (address >= PAGE_OFFSET) {
+                /* Handle kernel symbols. */
+                BUG_ON(bufsize < KSYM_NAME_LEN);
+                name = kallsyms_lookup(address, &size, &offset,
+                                       &modname, buf);
+                if (name == NULL) {
+                        buf[0] = '\0';
+                        return;
+                }
+                namelen = strlen(buf);
+                remaining = (bufsize - 1) - namelen;
+                p = buf + namelen;
+                rc = snprintf(p, remaining, "+%#lx/%#lx ",
+                              offset + adjust, size);
+                if (modname && rc < remaining)
+                        snprintf(p + rc, remaining - rc, "[%s] ", modname);
+                buf[bufsize-1] = '\0';
+                return;
+        }
+        /* If we don't have the mmap_sem, we can't show any more info. */
+        buf[0] = '\0';
+        if (!have_mmap_sem)
+                return;
+        /* Find vma info. */
+        vma = find_vma(kbt->task->mm, address);
+        if (vma == NULL || address < vma->vm_start) {
+                snprintf(buf, bufsize, "[unmapped address] ");
+                return;
+        }
+        if (vma->vm_file) {
+                char *s;
+                p = d_path(&vma->vm_file->f_path, buf, bufsize);
+                if (IS_ERR(p))
+                        p = "?";
+                s = strrchr(p, '/');
+                if (s)
+                        p = s+1;
+        } else {
+                p = "anon";
+        }
+        /* Generate a string description of the vma info. */
+        namelen = strlen(p);
+        remaining = (bufsize - 1) - namelen;
+        memmove(buf, p, namelen);
+        snprintf(buf + namelen, remaining, "[%lx+%lx] ",
+                 vma->vm_start, vma->vm_end - vma->vm_start);
+}
 /*
 * This method wraps the backtracer's more generic support.
 * It is only invoked from the architecture-specific code; show_stack()
@@ -353,6 +359,7 @@ EXPORT_SYMBOL(KBacktraceIterator_next);
 void tile_show_stack(struct KBacktraceIterator *kbt, int headers)
 {
        int i;
+        int have_mmap_sem = 0;
        if (headers) {
                /*
@@ -369,31 +376,16 @@ void tile_show_stack(struct KBacktraceIterator *kbt, int headers)
        kbt->verbose = 1;
        i = 0;
        for (; !KBacktraceIterator_end(kbt); KBacktraceIterator_next(kbt)) {
-                char *modname;
-                const char *name;
-                unsigned long address = kbt->it.pc;
-                unsigned long offset, size;
                char namebuf[KSYM_NAME_LEN+100];
+                unsigned long address = kbt->it.pc;
-                if (address >= PAGE_OFFSET)
+                /* Try to acquire the mmap_sem as we pass into userspace. */
-                        name = kallsyms_lookup(address, &size, &offset,
+                if (address < PAGE_OFFSET && !have_mmap_sem && kbt->task->mm)
-                                               &modname, namebuf);
+                        have_mmap_sem =
-                else
+                                down_read_trylock(&kbt->task->mm->mmap_sem);
-                        name = NULL;
+                describe_addr(kbt, address, have_mmap_sem,
-                if (!name)
+                              namebuf, sizeof(namebuf));
-                        namebuf[0] = '\0';
-                else {
-                        size_t namelen = strlen(namebuf);
-                        size_t remaining = (sizeof(namebuf) - 1) - namelen;
-                        char *p = namebuf + namelen;
-                        int rc = snprintf(p, remaining, "+%#lx/%#lx ",
-                                          offset, size);
-                        if (modname && rc < remaining)
-                                snprintf(p + rc, remaining - rc,
-                                         "[%s] ", modname);
-                        namebuf[sizeof(namebuf)-1] = '\0';
-                }
                pr_err("  frame %d: 0x%lx %s(sp 0x%lx)\n",
                       i++, address, namebuf, (unsigned long)(kbt->it.sp));
@@ -408,6 +400,8 @@ void tile_show_stack(struct KBacktraceIterator *kbt, int headers)
                pr_err("Stack dump stopped; next frame identical to this one\n");
        if (headers)
                pr_err("Stack dump complete\n");
+        if (have_mmap_sem)
+                up_read(&kbt->task->mm->mmap_sem);
 }
 EXPORT_SYMBOL(tile_show_stack);
diff --git a/arch/tile/kernel/traps.c b/arch/tile/kernel/traps.c
index 2bb6602a1ee7..73cff814ac57 100644
--- a/arch/tile/kernel/traps.c
+++ b/arch/tile/kernel/traps.c
@@ -200,7 +200,7 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num,
 {
        siginfo_t info = { 0 };
        int signo, code;
-        unsigned long address;
+        unsigned long address = 0;
        bundle_bits instr;
        /* Re-enable interrupts. */
@@ -223,6 +223,10 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num,
        }
        switch (fault_num) {
+        case INT_MEM_ERROR:
+                signo = SIGBUS;
+                code = BUS_OBJERR;
+                break;
        case INT_ILL:
                if (copy_from_user(&instr, (void __user *)regs->pc,
                                   sizeof(instr))) {
@@ -289,7 +293,10 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num,
                address = regs->pc;
                break;
 #ifdef __tilegx__
-        case INT_ILL_TRANS:
+        case INT_ILL_TRANS: {
+                /* Avoid a hardware erratum with the return address stack. */
+                fill_ra_stack();
                signo = SIGSEGV;
                code = SEGV_MAPERR;
                if (reason & SPR_ILL_TRANS_REASON__I_STREAM_VA_RMASK)
@@ -297,6 +304,7 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num,
                else
                        address = 0;  /* FIXME: GX: single-step for address */
                break;
+        }
 #endif
        default:
                panic("Unexpected do_trap interrupt number %d", fault_num);
@@ -308,7 +316,8 @@ void __kprobes do_trap(struct pt_regs *regs, int fault_num,
        info.si_addr = (void __user *)address;
        if (signo == SIGILL)
                info.si_trapno = fault_num;
-        trace_unhandled_signal("trap", regs, address, signo);
+        if (signo != SIGTRAP)
+                trace_unhandled_signal("trap", regs, address, signo);
        force_sig_info(signo, &info, current);
 }
diff --git a/arch/tile/lib/Makefile b/arch/tile/lib/Makefile
index 0c26086ecbef..985f59858234 100644
--- a/arch/tile/lib/Makefile
+++ b/arch/tile/lib/Makefile
@@ -7,6 +7,7 @@ lib-y = cacheflush.o checksum.o cpumask.o delay.o uaccess.o \
        strchr_$(BITS).o strlen_$(BITS).o
 ifeq ($(CONFIG_TILEGX),y)
+CFLAGS_REMOVE_memcpy_user_64.o = -fno-omit-frame-pointer
 lib-y += memcpy_user_64.o
 else
 lib-y += atomic_32.o atomic_asm_32.o memcpy_tile64.o
diff --git a/arch/tile/lib/cacheflush.c b/arch/tile/lib/cacheflush.c
index 8928aace7a64..db4fb89e12d8 100644
--- a/arch/tile/lib/cacheflush.c
+++ b/arch/tile/lib/cacheflush.c
@@ -39,7 +39,21 @@ void finv_buffer_remote(void *buffer, size_t size, int hfh)
 {
        char *p, *base;
        size_t step_size, load_count;
+        /*
+         * On TILEPro the striping granularity is a fixed 8KB; on
+         * TILE-Gx it is configurable, and we rely on the fact that
+         * the hypervisor always configures maximum striping, so that
+         * bits 9 and 10 of the PA are part of the stripe function, so
+         * every 512 bytes we hit a striping boundary.
+         *
+         */
+#ifdef __tilegx__
+        const unsigned long STRIPE_WIDTH = 512;
+#else
        const unsigned long STRIPE_WIDTH = 8192;
+#endif
 #ifdef __tilegx__
        /*
         * On TILE-Gx, we must disable the dstream prefetcher before doing
@@ -74,7 +88,7 @@ void finv_buffer_remote(void *buffer, size_t size, int hfh)
         * memory, that one load would be sufficient, but since we may
         * be, we also need to back up to the last load issued to
         * another memory controller, which would be the point where
-         * we crossed an 8KB boundary (the granularity of striping
+         * we crossed a "striping" boundary (the granularity of striping
         * across memory controllers).  Keep backing up and doing this
         * until we are before the beginning of the buffer, or have
         * hit all the controllers.
@@ -88,12 +102,22 @@ void finv_buffer_remote(void *buffer, size_t size, int hfh)
         * every cache line on a full memory stripe on each
         * controller" that we simply do that, to simplify the logic.
         *
-         * FIXME: See bug 9535 for some issues with this code.
+         * On TILE-Gx the hash-for-home function is much more complex,
+         * with the upshot being we can't readily guarantee we have
+         * hit both entries in the 128-entry AMT that were hit by any
+         * load in the entire range, so we just re-load them all.
+         * With larger buffers, we may want to consider using a hypervisor
+         * trap to issue loads directly to each hash-for-home tile for
+         * each controller (doing it from Linux would trash the TLB).
         */
        if (hfh) {
                step_size = L2_CACHE_BYTES;
+#ifdef __tilegx__
+                load_count = (size + L2_CACHE_BYTES - 1) / L2_CACHE_BYTES;
+#else
                load_count = (STRIPE_WIDTH / L2_CACHE_BYTES) *
                              (1 << CHIP_LOG_NUM_MSHIMS());
+#endif
        } else {
                step_size = STRIPE_WIDTH;
                load_count = (1 << CHIP_LOG_NUM_MSHIMS());
@@ -109,7 +133,7 @@ void finv_buffer_remote(void *buffer, size_t size, int hfh)
        /* Figure out how far back we need to go. */
        base = p - (step_size * (load_count - 2));
-        if ((long)base < (long)buffer)
+        if ((unsigned long)base < (unsigned long)buffer)
                base = buffer;
        /*
diff --git a/arch/tile/lib/memcpy_user_64.c b/arch/tile/lib/memcpy_user_64.c
index 4763b3aff1cc..37440caa7370 100644
--- a/arch/tile/lib/memcpy_user_64.c
+++ b/arch/tile/lib/memcpy_user_64.c
@@ -14,7 +14,13 @@
 * Do memcpy(), but trap and return "n" when a load or store faults.
 *
 * Note: this idiom only works when memcpy() compiles to a leaf function.
- * If "sp" is updated during memcpy, the "jrp lr" will be incorrect.
+ * Here leaf function not only means it does not have calls, but also
+ * requires no stack operations (sp, stack frame pointer) and no
+ * use of callee-saved registers, else "jrp lr" will be incorrect since
+ * unwinding stack frame is bypassed. Since memcpy() is not complex so
+ * these conditions are satisfied here, but we need to be careful when
+ * modifying this file. This is not a clean solution but is the best
+ * one so far.
 *
 * Also note that we are capturing "n" from the containing scope here.
 */
diff --git a/arch/tile/lib/spinlock_common.h b/arch/tile/lib/spinlock_common.h
index c10109809132..6ac37509faca 100644
--- a/arch/tile/lib/spinlock_common.h
+++ b/arch/tile/lib/spinlock_common.h
@@ -60,5 +60,5 @@ static void delay_backoff(int iterations)
        loops += __insn_crc32_32(stack_pointer, get_cycles_low()) &
                (loops - 1);
-        relax(1 << exponent);
+        relax(loops);
 }
diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
index cba30e9547b4..22e58f51ed23 100644
--- a/arch/tile/mm/fault.c
+++ b/arch/tile/mm/fault.c
@@ -130,7 +130,7 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
 }
 /*
- * Handle a fault on the vmalloc or module mapping area
+ * Handle a fault on the vmalloc area.
 */
 static inline int vmalloc_fault(pgd_t *pgd, unsigned long address)
 {
@@ -203,9 +203,14 @@ static pgd_t *get_current_pgd(void)
 * interrupt or a critical region, and must do as little as possible.
 * Similarly, we can't use atomic ops here, since we may be handling a
 * fault caused by an atomic op access.
+ *
+ * If we find a migrating PTE while we're in an NMI context, and we're
+ * at a PC that has a registered exception handler, we don't wait,
+ * since this thread may (e.g.) have been interrupted while migrating
+ * its own stack, which would then cause us to self-deadlock.
 */
 static int handle_migrating_pte(pgd_t *pgd, int fault_num,
-                                unsigned long address,
+                                unsigned long address, unsigned long pc,
                                int is_kernel_mode, int write)
 {
        pud_t *pud;
@@ -227,6 +232,8 @@ static int handle_migrating_pte(pgd_t *pgd, int fault_num,
                pte_offset_kernel(pmd, address);
        pteval = *pte;
        if (pte_migrating(pteval)) {
+                if (in_nmi() && search_exception_tables(pc))
+                        return 0;
                wait_for_migration(pte);
                return 1;
        }
@@ -300,7 +307,7 @@ static int handle_page_fault(struct pt_regs *regs,
         * rather than trying to patch up the existing PTE.
         */
        pgd = get_current_pgd();
-        if (handle_migrating_pte(pgd, fault_num, address,
+        if (handle_migrating_pte(pgd, fault_num, address, regs->pc,
                                 is_kernel_mode, write))
                return 1;
@@ -335,9 +342,12 @@ static int handle_page_fault(struct pt_regs *regs,
        /*
         * If we're trying to touch user-space addresses, we must
         * be either at PL0, or else with interrupts enabled in the
-         * kernel, so either way we can re-enable interrupts here.
+         * kernel, so either way we can re-enable interrupts here
+         * unless we are doing atomic access to user space with
+         * interrupts disabled.
         */
-        local_irq_enable();
+        if (!(regs->flags & PT_FLAGS_DISABLE_IRQ))
+                local_irq_enable();
        mm = tsk->mm;
@@ -665,7 +675,7 @@ struct intvec_state do_page_fault_ics(struct pt_regs *regs, int fault_num,
         */
        if (fault_num == INT_DTLB_ACCESS)
                write = 1;
-        if (handle_migrating_pte(pgd, fault_num, address, 1, write))
+        if (handle_migrating_pte(pgd, fault_num, address, pc, 1, write))
                return state;
        /* Return zero so that we continue on with normal fault handling. */
diff --git a/arch/tile/mm/homecache.c b/arch/tile/mm/homecache.c
index 1cc6ae477c98..499f73770b05 100644
--- a/arch/tile/mm/homecache.c
+++ b/arch/tile/mm/homecache.c
@@ -394,6 +394,7 @@ int page_home(struct page *page)
                return pte_to_home(*virt_to_pte(NULL, kva));
        }
 }
+EXPORT_SYMBOL(page_home);
 void homecache_change_page_home(struct page *page, int order, int home)
 {
diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index 830c4908ea76..6a9d20ddc34f 100644
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -254,11 +254,6 @@ static pgprot_t __init init_pgprot(ulong address)
                return construct_pgprot(PAGE_KERNEL_RO, PAGE_HOME_IMMUTABLE);
        }
-        /* As a performance optimization, keep the boot init stack here. */
-        if (address >= (ulong)&init_thread_union &&
-            address < (ulong)&init_thread_union + THREAD_SIZE)
-                return construct_pgprot(PAGE_KERNEL, smp_processor_id());
 #ifndef __tilegx__
 #if !ATOMIC_LOCKS_FOUND_VIA_TABLE()
        /* Force the atomic_locks[] array page to be hash-for-home. */
@@ -557,6 +552,7 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
        address = MEM_SV_INTRPT;
        pmd = get_pmd(pgtables, address);
+        pfn = 0;  /* code starts at PA 0 */
        if (ktext_small) {
                /* Allocate an L2 PTE for the kernel text */
                int cpu = 0;
@@ -579,10 +575,15 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
                }
                BUG_ON(address != (unsigned long)_stext);
-                pfn = 0;  /* code starts at PA 0 */
+                pte = NULL;
-                pte = alloc_pte();
+                for (; address < (unsigned long)_einittext;
-                for (pte_ofs = 0; address < (unsigned long)_einittext;
+                     pfn++, address += PAGE_SIZE) {
-                     pfn++, pte_ofs++, address += PAGE_SIZE) {
+                        pte_ofs = pte_index(address);
+                        if (pte_ofs == 0) {
+                                if (pte)
+                                        assign_pte(pmd++, pte);
+                                pte = alloc_pte();
+                        }
                        if (!ktext_local) {
                                prot = set_remote_cache_cpu(prot, cpu);
                                cpu = cpumask_next(cpu, &ktext_mask);
@@ -591,7 +592,8 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
                        }
                        pte[pte_ofs] = pfn_pte(pfn, prot);
                }
-                assign_pte(pmd, pte);
+                if (pte)
+                        assign_pte(pmd, pte);
        } else {
                pte_t pteval = pfn_pte(0, PAGE_KERNEL_EXEC);
                pteval = pte_mkhuge(pteval);
@@ -614,7 +616,9 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
                else
                        pteval = hv_pte_set_mode(pteval,
                                                 HV_PTE_MODE_CACHE_NO_L3);
-                *(pte_t *)pmd = pteval;
+                for (; address < (unsigned long)_einittext;
+                     pfn += PFN_DOWN(HPAGE_SIZE), address += HPAGE_SIZE)
+                        *(pte_t *)(pmd++) = pfn_pte(pfn, pteval);
        }
        /* Set swapper_pgprot here so it is flushed to memory right away. */
diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c
index 87303693a072..2410aa899b3e 100644
--- a/arch/tile/mm/pgtable.c
+++ b/arch/tile/mm/pgtable.c
@@ -177,14 +177,10 @@ void shatter_huge_page(unsigned long addr)
        if (!pmd_huge_page(*pmd))
                return;
-        /*
+        spin_lock_irqsave(&init_mm.page_table_lock, flags);
-         * Grab the pgd_lock, since we may need it to walk the pgd_list,
-         * and since we need some kind of lock here to avoid races.
-         */
-        spin_lock_irqsave(&pgd_lock, flags);
        if (!pmd_huge_page(*pmd)) {
                /* Lost the race to convert the huge page. */
-                spin_unlock_irqrestore(&pgd_lock, flags);
+                spin_unlock_irqrestore(&init_mm.page_table_lock, flags);
                return;
        }
@@ -194,6 +190,7 @@ void shatter_huge_page(unsigned long addr)
 #ifdef __PAGETABLE_PMD_FOLDED
        /* Walk every pgd on the system and update the pmd there. */
+        spin_lock(&pgd_lock);
        list_for_each(pos, &pgd_list) {
                pmd_t *copy_pmd;
                pgd = list_to_pgd(pos) + pgd_index(addr);
@@ -201,6 +198,7 @@ void shatter_huge_page(unsigned long addr)
                copy_pmd = pmd_offset(pud, addr);
                __set_pmd(copy_pmd, *pmd);
        }
+        spin_unlock(&pgd_lock);
 #endif
        /* Tell every cpu to notice the change. */
@@ -208,7 +206,7 @@ void shatter_huge_page(unsigned long addr)
                     cpu_possible_mask, NULL, 0);
        /* Hold the lock until the TLB flush is finished to avoid races. */
-        spin_unlock_irqrestore(&pgd_lock, flags);
+        spin_unlock_irqrestore(&init_mm.page_table_lock, flags);
 }
 /*
@@ -217,9 +215,13 @@ void shatter_huge_page(unsigned long addr)
 * against pageattr.c; it is the unique case in which a valid change
 * of kernel pagetables can't be lazily synchronized by vmalloc faults.
 * vmalloc faults work because attached pagetables are never freed.
- * The locking scheme was chosen on the basis of manfred's
+ *
- * recommendations and having no core impact whatsoever.
+ * The lock is always taken with interrupts disabled, unlike on x86
- * -- wli
+ * and other platforms, because we need to take the lock in
+ * shatter_huge_page(), which may be called from an interrupt context.
+ * We are not at risk from the tlbflush IPI deadlock that was seen on
+ * x86, since we use the flush_remote() API to have the hypervisor do
+ * the TLB flushes regardless of irq disabling.
 */
 DEFINE_SPINLOCK(pgd_lock);
 LIST_HEAD(pgd_list);
@@ -469,10 +471,18 @@ void __set_pte(pte_t *ptep, pte_t pte)
 void set_pte(pte_t *ptep, pte_t pte)
 {
-        struct page *page = pfn_to_page(pte_pfn(pte));
+        if (pte_present(pte) &&
+            (!CHIP_HAS_MMIO() || hv_pte_get_mode(pte) != HV_PTE_MODE_MMIO)) {
-        /* Update the home of a PTE if necessary */
+                /* The PTE actually references physical memory. */
-        pte = pte_set_home(pte, page_home(page));
+                unsigned long pfn = pte_pfn(pte);
+                if (pfn_valid(pfn)) {
+                        /* Update the home of the PTE from the struct page. */
+                        pte = pte_set_home(pte, page_home(pfn_to_page(pfn)));
+                } else if (hv_pte_get_mode(pte) == 0) {
+                        /* remap_pfn_range(), etc, must supply PTE mode. */
+                        panic("set_pte(): out-of-range PFN and mode 0\n");
+                }
+        }
        __set_pte(ptep, pte);
 }
diff --git a/arch/x86/include/asm/word-at-a-time.h b/arch/x86/include/asm/word-at-a-time.h
new file mode 100644
index 000000000000..6fe6767b7124
--- /dev/null
+++ b/arch/x86/include/asm/word-at-a-time.h
@@ -0,0 +1,46 @@
+#ifndef _ASM_WORD_AT_A_TIME_H
+#define _ASM_WORD_AT_A_TIME_H
+/*
+ * This is largely generic for little-endian machines, but the
+ * optimal byte mask counting is probably going to be something
+ * that is architecture-specific. If you have a reliably fast
+ * bit count instruction, that might be better than the multiply
+ * and shift, for example.
+ */
+#ifdef CONFIG_64BIT
+/*
+ * Jan Achrenius on G+: microoptimized version of
+ * the simpler "(mask & ONEBYTES) * ONEBYTES >> 56"
+ * that works for the bytemasks without having to
+ * mask them first.
+ */
+static inline long count_masked_bytes(unsigned long mask)
+{
+        return mask*0x0001020304050608ul >> 56;
+}
+#else   /* 32-bit case */
+/* Carl Chatfield / Jan Achrenius G+ version for 32-bit */
+static inline long count_masked_bytes(long mask)
+{
+        /* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */
+        long a = (0x0ff0001+mask) >> 23;
+        /* Fix the 1 for 00 case */
+        return a & mask;
+}
+#endif
+#define REPEAT_BYTE(x)  ((~0ul / 0xff) * (x))
+/* Return the high bit set in the first byte that is a zero */
+static inline unsigned long has_zero(unsigned long a)
+{
+        return ((a - REPEAT_BYTE(0x01)) & ~a) & REPEAT_BYTE(0x80);
+}
+#endif /* _ASM_WORD_AT_A_TIME_H */
diff --git a/arch/x86/kernel/kdebugfs.c b/arch/x86/kernel/kdebugfs.c
index 90fcf62854bb..1d5d31ea686b 100644
--- a/arch/x86/kernel/kdebugfs.c
+++ b/arch/x86/kernel/kdebugfs.c
@@ -68,16 +68,9 @@ static ssize_t setup_data_read(struct file *file, char __user *user_buf,
        return count;
 }
-static int setup_data_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static const struct file_operations fops_setup_data = {
        .read           = setup_data_read,
-        .open           = setup_data_open,
+        .open           = simple_open,
        .llseek         = default_llseek,
 };
diff --git a/arch/x86/net/bpf_jit.S b/arch/x86/net/bpf_jit.S
index 66870223f8c5..877b9a1b2152 100644
--- a/arch/x86/net/bpf_jit.S
+++ b/arch/x86/net/bpf_jit.S
@@ -18,17 +18,17 @@
 * r9d : hlen = skb->len - skb->data_len
 */
 #define SKBDATA %r8
+#define SKF_MAX_NEG_OFF    $(-0x200000) /* SKF_LL_OFF from filter.h */
-sk_load_word_ind:
-        .globl  sk_load_word_ind
-        add     %ebx,%esi       /* offset += X */
-#       test    %esi,%esi       /* if (offset < 0) goto bpf_error; */
-        js      bpf_error
 sk_load_word:
        .globl  sk_load_word
+        test    %esi,%esi
+        js      bpf_slow_path_word_neg
+sk_load_word_positive_offset:
+        .globl  sk_load_word_positive_offset
        mov     %r9d,%eax               # hlen
        sub     %esi,%eax               # hlen - offset
        cmp     $3,%eax
@@ -37,16 +37,15 @@ sk_load_word:
        bswap   %eax                    /* ntohl() */
        ret
-sk_load_half_ind:
-        .globl sk_load_half_ind
-        add     %ebx,%esi       /* offset += X */
-        js      bpf_error
 sk_load_half:
        .globl  sk_load_half
+        test    %esi,%esi
+        js      bpf_slow_path_half_neg
+sk_load_half_positive_offset:
+        .globl  sk_load_half_positive_offset
        mov     %r9d,%eax
        sub     %esi,%eax               #       hlen - offset
        cmp     $1,%eax
@@ -55,14 +54,15 @@ sk_load_half:
        rol     $8,%ax                  # ntohs()
        ret
-sk_load_byte_ind:
-        .globl sk_load_byte_ind
-        add     %ebx,%esi       /* offset += X */
-        js      bpf_error
 sk_load_byte:
        .globl  sk_load_byte
+        test    %esi,%esi
+        js      bpf_slow_path_byte_neg
+sk_load_byte_positive_offset:
+        .globl  sk_load_byte_positive_offset
        cmp     %esi,%r9d   /* if (offset >= hlen) goto bpf_slow_path_byte */
        jle     bpf_slow_path_byte
        movzbl  (SKBDATA,%rsi),%eax
@@ -73,25 +73,21 @@ sk_load_byte:
 *
 * Implements BPF_S_LDX_B_MSH : ldxb  4*([offset]&0xf)
 * Must preserve A accumulator (%eax)
- * Inputs : %esi is the offset value, already known positive
+ * Inputs : %esi is the offset value
 */
-ENTRY(sk_load_byte_msh)
+sk_load_byte_msh:
-        CFI_STARTPROC
+        .globl  sk_load_byte_msh
+        test    %esi,%esi
+        js      bpf_slow_path_byte_msh_neg
+sk_load_byte_msh_positive_offset:
+        .globl  sk_load_byte_msh_positive_offset
        cmp     %esi,%r9d      /* if (offset >= hlen) goto bpf_slow_path_byte_msh */
        jle     bpf_slow_path_byte_msh
        movzbl  (SKBDATA,%rsi),%ebx
        and     $15,%bl
        shl     $2,%bl
        ret
-        CFI_ENDPROC
-ENDPROC(sk_load_byte_msh)
-bpf_error:
-# force a return 0 from jit handler
-        xor             %eax,%eax
-        mov             -8(%rbp),%rbx
-        leaveq
-        ret
 /* rsi contains offset and can be scratched */
 #define bpf_slow_path_common(LEN)               \
@@ -138,3 +134,67 @@ bpf_slow_path_byte_msh:
        shl     $2,%al
        xchg    %eax,%ebx
        ret
+#define sk_negative_common(SIZE)                                \
+        push    %rdi;   /* save skb */                          \
+        push    %r9;                                            \
+        push    SKBDATA;                                        \
+/* rsi already has offset */                                    \
+        mov     $SIZE,%ecx;     /* size */                      \
+        call    bpf_internal_load_pointer_neg_helper;           \
+        test    %rax,%rax;                                      \
+        pop     SKBDATA;                                        \
+        pop     %r9;                                            \
+        pop     %rdi;                                           \
+        jz      bpf_error
+bpf_slow_path_word_neg:
+        cmp     SKF_MAX_NEG_OFF, %esi   /* test range */
+        jl      bpf_error       /* offset lower -> error  */
+sk_load_word_negative_offset:
+        .globl  sk_load_word_negative_offset
+        sk_negative_common(4)
+        mov     (%rax), %eax
+        bswap   %eax
+        ret
+bpf_slow_path_half_neg:
+        cmp     SKF_MAX_NEG_OFF, %esi
+        jl      bpf_error
+sk_load_half_negative_offset:
+        .globl  sk_load_half_negative_offset
+        sk_negative_common(2)
+        mov     (%rax),%ax
+        rol     $8,%ax
+        movzwl  %ax,%eax
+        ret
+bpf_slow_path_byte_neg:
+        cmp     SKF_MAX_NEG_OFF, %esi
+        jl      bpf_error
+sk_load_byte_negative_offset:
+        .globl  sk_load_byte_negative_offset
+        sk_negative_common(1)
+        movzbl  (%rax), %eax
+        ret
+bpf_slow_path_byte_msh_neg:
+        cmp     SKF_MAX_NEG_OFF, %esi
+        jl      bpf_error
+sk_load_byte_msh_negative_offset:
+        .globl  sk_load_byte_msh_negative_offset
+        xchg    %eax,%ebx /* dont lose A , X is about to be scratched */
+        sk_negative_common(1)
+        movzbl  (%rax),%eax
+        and     $15,%al
+        shl     $2,%al
+        xchg    %eax,%ebx
+        ret
+bpf_error:
+# force a return 0 from jit handler
+        xor             %eax,%eax
+        mov             -8(%rbp),%rbx
+        leaveq
+        ret
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index 5a5b6e4dd738..0597f95b6da6 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -30,7 +30,10 @@ int bpf_jit_enable __read_mostly;
 * assembly code in arch/x86/net/bpf_jit.S
 */
 extern u8 sk_load_word[], sk_load_half[], sk_load_byte[], sk_load_byte_msh[];
-extern u8 sk_load_word_ind[], sk_load_half_ind[], sk_load_byte_ind[];
+extern u8 sk_load_word_positive_offset[], sk_load_half_positive_offset[];
+extern u8 sk_load_byte_positive_offset[], sk_load_byte_msh_positive_offset[];
+extern u8 sk_load_word_negative_offset[], sk_load_half_negative_offset[];
+extern u8 sk_load_byte_negative_offset[], sk_load_byte_msh_negative_offset[];
 static inline u8 *emit_code(u8 *ptr, u32 bytes, unsigned int len)
 {
@@ -117,6 +120,8 @@ static inline void bpf_flush_icache(void *start, void *end)
        set_fs(old_fs);
 }
+#define CHOOSE_LOAD_FUNC(K, func) \
+        ((int)K < 0 ? ((int)K >= SKF_LL_OFF ? func##_negative_offset : func) : func##_positive_offset)
 void bpf_jit_compile(struct sk_filter *fp)
 {
@@ -473,44 +478,46 @@ void bpf_jit_compile(struct sk_filter *fp)
 #endif
                                break;
                        case BPF_S_LD_W_ABS:
-                                func = sk_load_word;
+                                func = CHOOSE_LOAD_FUNC(K, sk_load_word);
 common_load:                    seen |= SEEN_DATAREF;
-                                if ((int)K < 0) {
-                                        /* Abort the JIT because __load_pointer() is needed. */
-                                        goto out;
-                                }
                                t_offset = func - (image + addrs[i]);
                                EMIT1_off32(0xbe, K); /* mov imm32,%esi */
                                EMIT1_off32(0xe8, t_offset); /* call */
                                break;
                        case BPF_S_LD_H_ABS:
-                                func = sk_load_half;
+                                func = CHOOSE_LOAD_FUNC(K, sk_load_half);
                                goto common_load;
                        case BPF_S_LD_B_ABS:
-                                func = sk_load_byte;
+                                func = CHOOSE_LOAD_FUNC(K, sk_load_byte);
                                goto common_load;
                        case BPF_S_LDX_B_MSH:
-                                if ((int)K < 0) {
+                                func = CHOOSE_LOAD_FUNC(K, sk_load_byte_msh);
-                                        /* Abort the JIT because __load_pointer() is needed. */
-                                        goto out;
-                                }
                                seen |= SEEN_DATAREF | SEEN_XREG;
-                                t_offset = sk_load_byte_msh - (image + addrs[i]);
+                                t_offset = func - (image + addrs[i]);
                                EMIT1_off32(0xbe, K);   /* mov imm32,%esi */
                                EMIT1_off32(0xe8, t_offset); /* call sk_load_byte_msh */
                                break;
                        case BPF_S_LD_W_IND:
-                                func = sk_load_word_ind;
+                                func = sk_load_word;
 common_load_ind:                seen |= SEEN_DATAREF | SEEN_XREG;
                                t_offset = func - (image + addrs[i]);
-                                EMIT1_off32(0xbe, K);   /* mov imm32,%esi   */
+                                if (K) {
+                                        if (is_imm8(K)) {
+                                                EMIT3(0x8d, 0x73, K); /* lea imm8(%rbx), %esi */
+                                        } else {
+                                                EMIT2(0x8d, 0xb3); /* lea imm32(%rbx),%esi */
+                                                EMIT(K, 4);
+                                        }
+                                } else {
+                                        EMIT2(0x89,0xde); /* mov %ebx,%esi */
+                                }
                                EMIT1_off32(0xe8, t_offset);    /* call sk_load_xxx_ind */
                                break;
                        case BPF_S_LD_H_IND:
-                                func = sk_load_half_ind;
+                                func = sk_load_half;
                                goto common_load_ind;
                        case BPF_S_LD_B_IND:
-                                func = sk_load_byte_ind;
+                                func = sk_load_byte;
                                goto common_load_ind;
                        case BPF_S_JMP_JA:
                                t_offset = addrs[i + K] - addrs[i];
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 988828b479ed..b8e279479a6b 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1859,6 +1859,7 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd,
 #endif  /* CONFIG_X86_64 */
 static unsigned char dummy_mapping[PAGE_SIZE] __page_aligned_bss;
+static unsigned char fake_ioapic_mapping[PAGE_SIZE] __page_aligned_bss;
 static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
 {
@@ -1899,7 +1900,7 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
                 * We just don't map the IO APIC - all access is via
                 * hypercalls.  Keep the address in the pte for reference.
                 */
-                pte = pfn_pte(PFN_DOWN(__pa(dummy_mapping)), PAGE_KERNEL);
+                pte = pfn_pte(PFN_DOWN(__pa(fake_ioapic_mapping)), PAGE_KERNEL);
                break;
 #endif
@@ -2064,6 +2065,7 @@ void __init xen_init_mmu_ops(void)
        pv_mmu_ops = xen_mmu_ops;
        memset(dummy_mapping, 0xff, PAGE_SIZE);
+        memset(fake_ioapic_mapping, 0xfd, PAGE_SIZE);
 }
 /* Protected by xen_reservation_lock. */
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 02900e8ce26c..5fac6919b957 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -59,7 +59,7 @@ static irqreturn_t xen_reschedule_interrupt(int irq, void *dev_id)
 static void __cpuinit cpu_bringup(void)
 {
-        int cpu = smp_processor_id();
+        int cpu;
        cpu_init();
        touch_softlockup_watchdog();
diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c
index b258cab9061c..7586544fddb4 100644
--- a/drivers/acpi/ec_sys.c
+++ b/drivers/acpi/ec_sys.c
@@ -27,12 +27,6 @@ MODULE_PARM_DESC(write_support, "Dangerous, reboot and removal of battery may "
 static struct dentry *acpi_ec_debugfs_dir;
-static int acpi_ec_open_io(struct inode *i, struct file *f)
-{
-        f->private_data = i->i_private;
-        return 0;
-}
 static ssize_t acpi_ec_read_io(struct file *f, char __user *buf,
                               size_t count, loff_t *off)
 {
@@ -95,7 +89,7 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf,
 static const struct file_operations acpi_ec_io_ops = {
        .owner = THIS_MODULE,
-        .open  = acpi_ec_open_io,
+        .open  = simple_open,
        .read  = acpi_ec_read_io,
        .write = acpi_ec_write_io,
        .llseek = default_llseek,
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index b3447f63e46b..f3decb30223f 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -786,7 +786,7 @@ static int acpi_idle_play_dead(struct cpuidle_device *dev, int index)
        while (1) {
                if (cx->entry_method == ACPI_CSTATE_HALT)
-                        halt();
+                        safe_halt();
                else if (cx->entry_method == ACPI_CSTATE_SYSTEMIO) {
                        inb(cx->address);
                        /* See comment in acpi_idle_do_entry() */
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 58517a5dac13..251eb70f83e7 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -27,12 +27,6 @@ static size_t regmap_calc_reg_len(int max_val, char *buf, size_t buf_size)
        return strlen(buf);
 }
-static int regmap_open_file(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t regmap_name_read_file(struct file *file,
                                     char __user *user_buf, size_t count,
                                     loff_t *ppos)
@@ -57,7 +51,7 @@ static ssize_t regmap_name_read_file(struct file *file,
 }
 static const struct file_operations regmap_name_fops = {
-        .open = regmap_open_file,
+        .open = simple_open,
        .read = regmap_name_read_file,
        .llseek = default_llseek,
 };
@@ -174,7 +168,7 @@ static ssize_t regmap_map_write_file(struct file *file,
 #endif
 static const struct file_operations regmap_map_fops = {
-        .open = regmap_open_file,
+        .open = simple_open,
        .read = regmap_map_read_file,
        .write = regmap_map_write_file,
        .llseek = default_llseek,
@@ -243,7 +237,7 @@ out:
 }
 static const struct file_operations regmap_access_fops = {
-        .open = regmap_open_file,
+        .open = simple_open,
        .read = regmap_access_read_file,
        .llseek = default_llseek,
 };
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index d5e1ab956740..98cbeba8cd53 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1475,7 +1475,7 @@ static int __init xlblk_init(void)
        if (!xen_domain())
                return -ENODEV;
-        if (!xen_platform_pci_unplug)
+        if (xen_hvm_domain() && !xen_platform_pci_unplug)
                return -ENODEV;
        if (register_blkdev(XENVBD_MAJOR, DEV_NAME)) {
diff --git a/drivers/bluetooth/btmrvl_debugfs.c b/drivers/bluetooth/btmrvl_debugfs.c
index 6c20bbb54b71..428dbb7574bd 100644
--- a/drivers/bluetooth/btmrvl_debugfs.c
+++ b/drivers/bluetooth/btmrvl_debugfs.c
@@ -45,12 +45,6 @@ struct btmrvl_debugfs_data {
        struct dentry *txdnldready;
 };
-static int btmrvl_open_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t btmrvl_hscfgcmd_write(struct file *file,
                        const char __user *ubuf, size_t count, loff_t *ppos)
 {
@@ -93,7 +87,7 @@ static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf,
 static const struct file_operations btmrvl_hscfgcmd_fops = {
        .read   = btmrvl_hscfgcmd_read,
        .write  = btmrvl_hscfgcmd_write,
-        .open   = btmrvl_open_generic,
+        .open   = simple_open,
        .llseek = default_llseek,
 };
@@ -134,7 +128,7 @@ static ssize_t btmrvl_psmode_read(struct file *file, char __user *userbuf,
 static const struct file_operations btmrvl_psmode_fops = {
        .read   = btmrvl_psmode_read,
        .write  = btmrvl_psmode_write,
-        .open   = btmrvl_open_generic,
+        .open   = simple_open,
        .llseek = default_llseek,
 };
@@ -180,7 +174,7 @@ static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf,
 static const struct file_operations btmrvl_pscmd_fops = {
        .read = btmrvl_pscmd_read,
        .write = btmrvl_pscmd_write,
-        .open = btmrvl_open_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -221,7 +215,7 @@ static ssize_t btmrvl_gpiogap_read(struct file *file, char __user *userbuf,
 static const struct file_operations btmrvl_gpiogap_fops = {
        .read   = btmrvl_gpiogap_read,
        .write  = btmrvl_gpiogap_write,
-        .open   = btmrvl_open_generic,
+        .open   = simple_open,
        .llseek = default_llseek,
 };
@@ -265,7 +259,7 @@ static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf,
 static const struct file_operations btmrvl_hscmd_fops = {
        .read   = btmrvl_hscmd_read,
        .write  = btmrvl_hscmd_write,
-        .open   = btmrvl_open_generic,
+        .open   = simple_open,
        .llseek = default_llseek,
 };
@@ -305,7 +299,7 @@ static ssize_t btmrvl_hsmode_read(struct file *file, char __user * userbuf,
 static const struct file_operations btmrvl_hsmode_fops = {
        .read   = btmrvl_hsmode_read,
        .write  = btmrvl_hsmode_write,
-        .open   = btmrvl_open_generic,
+        .open   = simple_open,
        .llseek = default_llseek,
 };
@@ -323,7 +317,7 @@ static ssize_t btmrvl_curpsmode_read(struct file *file, char __user *userbuf,
 static const struct file_operations btmrvl_curpsmode_fops = {
        .read   = btmrvl_curpsmode_read,
-        .open   = btmrvl_open_generic,
+        .open   = simple_open,
        .llseek = default_llseek,
 };
@@ -341,7 +335,7 @@ static ssize_t btmrvl_psstate_read(struct file *file, char __user * userbuf,
 static const struct file_operations btmrvl_psstate_fops = {
        .read   = btmrvl_psstate_read,
-        .open   = btmrvl_open_generic,
+        .open   = simple_open,
        .llseek = default_llseek,
 };
@@ -359,7 +353,7 @@ static ssize_t btmrvl_hsstate_read(struct file *file, char __user *userbuf,
 static const struct file_operations btmrvl_hsstate_fops = {
        .read   = btmrvl_hsstate_read,
-        .open   = btmrvl_open_generic,
+        .open   = simple_open,
        .llseek = default_llseek,
 };
@@ -378,7 +372,7 @@ static ssize_t btmrvl_txdnldready_read(struct file *file, char __user *userbuf,
 static const struct file_operations btmrvl_txdnldready_fops = {
        .read   = btmrvl_txdnldready_read,
-        .open   = btmrvl_open_generic,
+        .open   = simple_open,
        .llseek = default_llseek,
 };
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c
index 57501ca9204b..46118f845948 100644
--- a/drivers/char/apm-emulation.c
+++ b/drivers/char/apm-emulation.c
@@ -301,7 +301,7 @@ apm_ioctl(struct file *filp, u_int cmd, u_long arg)
                         * anything critical, chill a bit on each iteration.
                         */
                        while (wait_event_freezable(apm_suspend_waitqueue,
-                                        as->suspend_state == SUSPEND_DONE))
+                                        as->suspend_state != SUSPEND_ACKED))
                                msleep(10);
                        break;
                case SUSPEND_ACKTO:
diff --git a/drivers/char/tile-srom.c b/drivers/char/tile-srom.c
index 4dc019408fac..3b22a606f79d 100644
--- a/drivers/char/tile-srom.c
+++ b/drivers/char/tile-srom.c
@@ -194,17 +194,17 @@ static ssize_t srom_read(struct file *filp, char __user *buf,
                hv_retval = _srom_read(srom->hv_devhdl, kernbuf,
                                       *f_pos, bytes_this_pass);
-                if (hv_retval > 0) {
+                if (hv_retval <= 0) {
-                        if (copy_to_user(buf, kernbuf, hv_retval) != 0) {
-                                retval = -EFAULT;
-                                break;
-                        }
-                } else if (hv_retval <= 0) {
                        if (retval == 0)
                                retval = hv_retval;
                        break;
                }
+                if (copy_to_user(buf, kernbuf, hv_retval) != 0) {
+                        retval = -EFAULT;
+                        break;
+                }
                retval += hv_retval;
                *f_pos += hv_retval;
                buf += hv_retval;
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index b58b56187065..ddf86b6500b7 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1038,12 +1038,6 @@ static struct attribute_group port_attribute_group = {
        .attrs = port_sysfs_entries,
 };
-static int debugfs_open(struct inode *inode, struct file *filp)
-{
-        filp->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t debugfs_read(struct file *filp, char __user *ubuf,
                            size_t count, loff_t *offp)
 {
@@ -1087,7 +1081,7 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf,
 static const struct file_operations port_debugfs_ops = {
        .owner = THIS_MODULE,
-        .open  = debugfs_open,
+        .open  = simple_open,
        .read  = debugfs_read,
 };
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 32d790dd8180..ffbb44685915 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -51,9 +51,6 @@ config ARM_S5PV210_CPUFREQ
 config ARM_EXYNOS_CPUFREQ
        bool "SAMSUNG EXYNOS SoCs"
        depends on ARCH_EXYNOS
-        select ARM_EXYNOS4210_CPUFREQ if CPU_EXYNOS4210
-        select ARM_EXYNOS4X12_CPUFREQ if (SOC_EXYNOS4212 || SOC_EXYNOS4412)
-        select ARM_EXYNOS5250_CPUFREQ if SOC_EXYNOS5250
        default y
        help
          This adds the CPUFreq driver common part for Samsung
@@ -62,20 +59,19 @@ config ARM_EXYNOS_CPUFREQ
          If in doubt, say N.
 config ARM_EXYNOS4210_CPUFREQ
-        bool "Samsung EXYNOS4210"
+        def_bool CPU_EXYNOS4210
-        depends on ARCH_EXYNOS
        help
          This adds the CPUFreq driver for Samsung EXYNOS4210
          SoC (S5PV310 or S5PC210).
 config ARM_EXYNOS4X12_CPUFREQ
-        bool "Samsung EXYNOS4X12"
+        def_bool (SOC_EXYNOS4212 || SOC_EXYNOS4412)
        help
          This adds the CPUFreq driver for Samsung EXYNOS4X12
          SoC (EXYNOS4212 or EXYNOS4412).
 config ARM_EXYNOS5250_CPUFREQ
-        bool "Samsung EXYNOS5250"
+        def_bool SOC_EXYNOS5250
        help
          This adds the CPUFreq driver for Samsung EXYNOS5250
          SoC.
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 87411cebc577..2f0083a51a9a 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -74,7 +74,7 @@ static cpuidle_enter_t cpuidle_enter_ops;
 /**
 * cpuidle_play_dead - cpu off-lining
 *
- * Only returns in case of an error
+ * Returns in case of an error or no driver
 */
 int cpuidle_play_dead(void)
 {
@@ -83,6 +83,9 @@ int cpuidle_play_dead(void)
        int i, dead_state = -1;
        int power_usage = -1;
+        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];
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index dc89455f5550..750925f9638b 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -104,13 +104,6 @@ static void coh901318_list_print(struct coh901318_chan *cohc,
 static struct coh901318_base *debugfs_dma_base;
 static struct dentry *dma_dentry;
-static int coh901318_debugfs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static int coh901318_debugfs_read(struct file *file, char __user *buf,
                                  size_t count, loff_t *f_pos)
 {
@@ -158,7 +151,7 @@ static int coh901318_debugfs_read(struct file *file, char __user *buf,
 static const struct file_operations coh901318_debugfs_status_operations = {
        .owner          = THIS_MODULE,
-        .open           = coh901318_debugfs_open,
+        .open           = simple_open,
        .read           = coh901318_debugfs_read,
        .llseek         = default_llseek,
 };
diff --git a/drivers/edac/tile_edac.c b/drivers/edac/tile_edac.c
index 1d5cf06f6c6b..e99d00976189 100644
--- a/drivers/edac/tile_edac.c
+++ b/drivers/edac/tile_edac.c
@@ -145,7 +145,11 @@ static int __devinit tile_edac_mc_probe(struct platform_device *pdev)
        mci->edac_ctl_cap = EDAC_FLAG_SECDED;
        mci->mod_name = DRV_NAME;
+#ifdef __tilegx__
+        mci->ctl_name = "TILEGx_Memory_Controller";
+#else
        mci->ctl_name = "TILEPro_Memory_Controller";
+#endif
        mci->dev_name = dev_name(&pdev->dev);
        mci->edac_check = tile_edac_check;
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 32de6707e3c4..12f349b3830d 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -22,7 +22,7 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
-#include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/module.h>
 #include <linux/irqdomain.h>
@@ -37,7 +37,8 @@
 #define GPIO_PORT(x)            (((x) >> 3) & 0x3)
 #define GPIO_BIT(x)             ((x) & 0x7)
-#define GPIO_REG(x)             (GPIO_BANK(x) * 0x80 + GPIO_PORT(x) * 4)
+#define GPIO_REG(x)             (GPIO_BANK(x) * tegra_gpio_bank_stride + \
+                                        GPIO_PORT(x) * 4)
 #define GPIO_CNF(x)             (GPIO_REG(x) + 0x00)
 #define GPIO_OE(x)              (GPIO_REG(x) + 0x10)
@@ -48,12 +49,12 @@
 #define GPIO_INT_LVL(x)         (GPIO_REG(x) + 0x60)
 #define GPIO_INT_CLR(x)         (GPIO_REG(x) + 0x70)
-#define GPIO_MSK_CNF(x)         (GPIO_REG(x) + 0x800)
+#define GPIO_MSK_CNF(x)         (GPIO_REG(x) + tegra_gpio_upper_offset + 0x00)
-#define GPIO_MSK_OE(x)          (GPIO_REG(x) + 0x810)
+#define GPIO_MSK_OE(x)          (GPIO_REG(x) + tegra_gpio_upper_offset + 0x10)
-#define GPIO_MSK_OUT(x)         (GPIO_REG(x) + 0X820)
+#define GPIO_MSK_OUT(x)         (GPIO_REG(x) + tegra_gpio_upper_offset + 0X20)
-#define GPIO_MSK_INT_STA(x)     (GPIO_REG(x) + 0x840)
+#define GPIO_MSK_INT_STA(x)     (GPIO_REG(x) + tegra_gpio_upper_offset + 0x40)
-#define GPIO_MSK_INT_ENB(x)     (GPIO_REG(x) + 0x850)
+#define GPIO_MSK_INT_ENB(x)     (GPIO_REG(x) + tegra_gpio_upper_offset + 0x50)
-#define GPIO_MSK_INT_LVL(x)     (GPIO_REG(x) + 0x860)
+#define GPIO_MSK_INT_LVL(x)     (GPIO_REG(x) + tegra_gpio_upper_offset + 0x60)
 #define GPIO_INT_LVL_MASK               0x010101
 #define GPIO_INT_LVL_EDGE_RISING        0x000101
@@ -78,6 +79,8 @@ struct tegra_gpio_bank {
 static struct irq_domain *irq_domain;
 static void __iomem *regs;
 static u32 tegra_gpio_bank_count;
+static u32 tegra_gpio_bank_stride;
+static u32 tegra_gpio_upper_offset;
 static struct tegra_gpio_bank *tegra_gpio_banks;
 static inline void tegra_gpio_writel(u32 val, u32 reg)
@@ -333,6 +336,26 @@ static struct irq_chip tegra_gpio_irq_chip = {
 #endif
 };
+struct tegra_gpio_soc_config {
+        u32 bank_stride;
+        u32 upper_offset;
+};
+static struct tegra_gpio_soc_config tegra20_gpio_config = {
+        .bank_stride = 0x80,
+        .upper_offset = 0x800,
+};
+static struct tegra_gpio_soc_config tegra30_gpio_config = {
+        .bank_stride = 0x100,
+        .upper_offset = 0x80,
+};
+static struct of_device_id tegra_gpio_of_match[] __devinitdata = {
+        { .compatible = "nvidia,tegra30-gpio", .data = &tegra30_gpio_config },
+        { .compatible = "nvidia,tegra20-gpio", .data = &tegra20_gpio_config },
+        { },
+};
 /* This lock class tells lockdep that GPIO irqs are in a different
 * category than their parents, so it won't report false recursion.
@@ -341,6 +364,8 @@ static struct lock_class_key gpio_lock_class;
 static int __devinit tegra_gpio_probe(struct platform_device *pdev)
 {
+        const struct of_device_id *match;
+        struct tegra_gpio_soc_config *config;
        int irq_base;
        struct resource *res;
        struct tegra_gpio_bank *bank;
@@ -348,6 +373,15 @@ static int __devinit tegra_gpio_probe(struct platform_device *pdev)
        int i;
        int j;
+        match = of_match_device(tegra_gpio_of_match, &pdev->dev);
+        if (match)
+                config = (struct tegra_gpio_soc_config *)match->data;
+        else
+                config = &tegra20_gpio_config;
+        tegra_gpio_bank_stride = config->bank_stride;
+        tegra_gpio_upper_offset = config->upper_offset;
        for (;;) {
                res = platform_get_resource(pdev, IORESOURCE_IRQ, tegra_gpio_bank_count);
                if (!res)
@@ -402,7 +436,7 @@ static int __devinit tegra_gpio_probe(struct platform_device *pdev)
                return -ENODEV;
        }
-        for (i = 0; i < 7; i++) {
+        for (i = 0; i < tegra_gpio_bank_count; i++) {
                for (j = 0; j < 4; j++) {
                        int gpio = tegra_gpio_compose(i, j, 0);
                        tegra_gpio_writel(0x00, GPIO_INT_ENB(gpio));
@@ -441,11 +475,6 @@ static int __devinit tegra_gpio_probe(struct platform_device *pdev)
        return 0;
 }
-static struct of_device_id tegra_gpio_of_match[] __devinitdata = {
-        { .compatible = "nvidia,tegra20-gpio", },
-        { },
-};
 static struct platform_driver tegra_gpio_driver = {
        .driver         = {
                .name   = "tegra-gpio",
@@ -485,7 +514,7 @@ static int dbg_gpio_show(struct seq_file *s, void *unused)
        int i;
        int j;
-        for (i = 0; i < 7; i++) {
+        for (i = 0; i < tegra_gpio_bank_count; i++) {
                for (j = 0; j < 4; j++) {
                        int gpio = tegra_gpio_compose(i, j, 0);
                        seq_printf(s,
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index fdb7ccefffbd..b505b70dba05 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1502,14 +1502,6 @@ static int i915_ppgtt_info(struct seq_file *m, void *data)
        return 0;
 }
-static int
-i915_debugfs_common_open(struct inode *inode,
-                         struct file *filp)
-{
-        filp->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t
 i915_wedged_read(struct file *filp,
                 char __user *ubuf,
@@ -1560,7 +1552,7 @@ i915_wedged_write(struct file *filp,
 static const struct file_operations i915_wedged_fops = {
        .owner = THIS_MODULE,
-        .open = i915_debugfs_common_open,
+        .open = simple_open,
        .read = i915_wedged_read,
        .write = i915_wedged_write,
        .llseek = default_llseek,
@@ -1622,7 +1614,7 @@ i915_max_freq_write(struct file *filp,
 static const struct file_operations i915_max_freq_fops = {
        .owner = THIS_MODULE,
-        .open = i915_debugfs_common_open,
+        .open = simple_open,
        .read = i915_max_freq_read,
        .write = i915_max_freq_write,
        .llseek = default_llseek,
@@ -1693,7 +1685,7 @@ i915_cache_sharing_write(struct file *filp,
 static const struct file_operations i915_cache_sharing_fops = {
        .owner = THIS_MODULE,
-        .open = i915_debugfs_common_open,
+        .open = simple_open,
        .read = i915_cache_sharing_read,
        .write = i915_cache_sharing_write,
        .llseek = default_llseek,
diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c
index 12f9777c385d..45c3433f7986 100644
--- a/drivers/hid/hid-picolcd.c
+++ b/drivers/hid/hid-picolcd.c
@@ -1525,12 +1525,6 @@ static const struct file_operations picolcd_debug_reset_fops = {
 /*
 * The "eeprom" file
 */
-static int picolcd_debug_eeprom_open(struct inode *i, struct file *f)
-{
-        f->private_data = i->i_private;
-        return 0;
-}
 static ssize_t picolcd_debug_eeprom_read(struct file *f, char __user *u,
                size_t s, loff_t *off)
 {
@@ -1618,7 +1612,7 @@ static ssize_t picolcd_debug_eeprom_write(struct file *f, const char __user *u,
 */
 static const struct file_operations picolcd_debug_eeprom_fops = {
        .owner    = THIS_MODULE,
-        .open     = picolcd_debug_eeprom_open,
+        .open     = simple_open,
        .read     = picolcd_debug_eeprom_read,
        .write    = picolcd_debug_eeprom_write,
        .llseek   = generic_file_llseek,
@@ -1627,12 +1621,6 @@ static const struct file_operations picolcd_debug_eeprom_fops = {
 /*
 * The "flash" file
 */
-static int picolcd_debug_flash_open(struct inode *i, struct file *f)
-{
-        f->private_data = i->i_private;
-        return 0;
-}
 /* record a flash address to buf (bounds check to be done by caller) */
 static int _picolcd_flash_setaddr(struct picolcd_data *data, u8 *buf, long off)
 {
@@ -1817,7 +1805,7 @@ static ssize_t picolcd_debug_flash_write(struct file *f, const char __user *u,
 */
 static const struct file_operations picolcd_debug_flash_fops = {
        .owner    = THIS_MODULE,
-        .open     = picolcd_debug_flash_open,
+        .open     = simple_open,
        .read     = picolcd_debug_flash_read,
        .write    = picolcd_debug_flash_write,
        .llseek   = generic_file_llseek,
diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c
index 17dabc1f339e..eec329197c16 100644
--- a/drivers/hid/hid-wiimote-debug.c
+++ b/drivers/hid/hid-wiimote-debug.c
@@ -23,12 +23,6 @@ struct wiimote_debug {
        struct dentry *drm;
 };
-static int wiidebug_eeprom_open(struct inode *i, struct file *f)
-{
-        f->private_data = i->i_private;
-        return 0;
-}
 static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s,
                                                                loff_t *off)
 {
@@ -83,7 +77,7 @@ static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s,
 static const struct file_operations wiidebug_eeprom_fops = {
        .owner = THIS_MODULE,
-        .open = wiidebug_eeprom_open,
+        .open = simple_open,
        .read = wiidebug_eeprom_read,
        .llseek = generic_file_llseek,
 };
diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c
index c976285d313e..fa080ebd568f 100644
--- a/drivers/idle/i7300_idle.c
+++ b/drivers/idle/i7300_idle.c
@@ -516,12 +516,6 @@ static struct notifier_block i7300_idle_nb = {
 MODULE_DEVICE_TABLE(pci, pci_tbl);
-int stats_open_generic(struct inode *inode, struct file *fp)
-{
-        fp->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t stats_read_ul(struct file *fp, char __user *ubuf, size_t count,
                                loff_t *off)
 {
@@ -534,7 +528,7 @@ static ssize_t stats_read_ul(struct file *fp, char __user *ubuf, size_t count,
 }
 static const struct file_operations idle_fops = {
-        .open   = stats_open_generic,
+        .open   = simple_open,
        .read   = stats_read_ul,
        .llseek = default_llseek,
 };
diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c
index 103dbd92e256..f55fc5dfbadc 100644
--- a/drivers/iommu/omap-iommu-debug.c
+++ b/drivers/iommu/omap-iommu-debug.c
@@ -323,15 +323,9 @@ err_out:
        return count;
 }
-static int debug_open_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 #define DEBUG_FOPS(name)                                                \
        static const struct file_operations debug_##name##_fops = {     \
-                .open = debug_open_generic,                             \
+                .open = simple_open,                                    \
                .read = debug_read_##name,                              \
                .write = debug_write_##name,                            \
                .llseek = generic_file_llseek,                          \
@@ -339,7 +333,7 @@ static int debug_open_generic(struct inode *inode, struct file *file)
 #define DEBUG_FOPS_RO(name)                                             \
        static const struct file_operations debug_##name##_fops = {     \
-                .open = debug_open_generic,                             \
+                .open = simple_open,                                    \
                .read = debug_read_##name,                              \
                .llseek = generic_file_llseek,                          \
        };
diff --git a/drivers/mfd/aat2870-core.c b/drivers/mfd/aat2870-core.c
index 3aa36eb5c79b..44a3fdbadef4 100644
--- a/drivers/mfd/aat2870-core.c
+++ b/drivers/mfd/aat2870-core.c
@@ -262,13 +262,6 @@ static ssize_t aat2870_dump_reg(struct aat2870_data *aat2870, char *buf)
        return count;
 }
-static int aat2870_reg_open_file(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t aat2870_reg_read_file(struct file *file, char __user *user_buf,
                                     size_t count, loff_t *ppos)
 {
@@ -330,7 +323,7 @@ static ssize_t aat2870_reg_write_file(struct file *file,
 }
 static const struct file_operations aat2870_reg_fops = {
-        .open = aat2870_reg_open_file,
+        .open = simple_open,
        .read = aat2870_reg_read_file,
        .write = aat2870_reg_write_file,
 };
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index 60107ee166fc..1efad20fb175 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -483,12 +483,6 @@ struct ab3100_get_set_reg_priv {
        bool mode;
 };
-static int ab3100_get_set_reg_open_file(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t ab3100_get_set_reg(struct file *file,
                                  const char __user *user_buf,
                                  size_t count, loff_t *ppos)
@@ -583,7 +577,7 @@ static ssize_t ab3100_get_set_reg(struct file *file,
 }
 static const struct file_operations ab3100_get_set_reg_fops = {
-        .open = ab3100_get_set_reg_open_file,
+        .open = simple_open,
        .write = ab3100_get_set_reg,
        .llseek = noop_llseek,
 };
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index 1c034b80d408..6673e578b3e9 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -500,12 +500,6 @@ static ssize_t r_heartbeat_file_write(struct file *file, const char __user *buf,
        return 1;
 }
-static int remote_settings_file_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static int remote_settings_file_close(struct inode *inode, struct file *file)
 {
        return 0;
@@ -600,7 +594,7 @@ static const struct file_operations r_heartbeat_fops = {
 };
 static const struct file_operations remote_settings_fops = {
-        .open =         remote_settings_file_open,
+        .open =         simple_open,
        .release =      remote_settings_file_close,
        .read =         remote_settings_file_read,
        .write =        remote_settings_file_write,
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index eed213a5c8cb..b1809650b7aa 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1623,24 +1623,6 @@ static int mmc_blk_alloc_parts(struct mmc_card *card, struct mmc_blk_data *md)
        return ret;
 }
-static int
-mmc_blk_set_blksize(struct mmc_blk_data *md, struct mmc_card *card)
-{
-        int err;
-        mmc_claim_host(card->host);
-        err = mmc_set_blocklen(card, 512);
-        mmc_release_host(card->host);
-        if (err) {
-                pr_err("%s: unable to set block size to 512: %d\n",
-                        md->disk->disk_name, err);
-                return -EINVAL;
-        }
-        return 0;
-}
 static void mmc_blk_remove_req(struct mmc_blk_data *md)
 {
        struct mmc_card *card;
@@ -1768,7 +1750,6 @@ static const struct mmc_fixup blk_fixups[] =
 static int mmc_blk_probe(struct mmc_card *card)
 {
        struct mmc_blk_data *md, *part_md;
-        int err;
        char cap_str[10];
        /*
@@ -1781,10 +1762,6 @@ static int mmc_blk_probe(struct mmc_card *card)
        if (IS_ERR(md))
                return PTR_ERR(md);
-        err = mmc_blk_set_blksize(md, card);
-        if (err)
-                goto out;
        string_get_size((u64)get_capacity(md->disk) << 9, STRING_UNITS_2,
                        cap_str, sizeof(cap_str));
        pr_info("%s: %s %s %s %s\n",
@@ -1809,7 +1786,7 @@ static int mmc_blk_probe(struct mmc_card *card)
 out:
        mmc_blk_remove_parts(card, md);
        mmc_blk_remove_req(md);
-        return err;
+        return 0;
 }
 static void mmc_blk_remove(struct mmc_card *card)
@@ -1845,8 +1822,6 @@ static int mmc_blk_resume(struct mmc_card *card)
        struct mmc_blk_data *md = mmc_get_drvdata(card);
        if (md) {
-                mmc_blk_set_blksize(md, card);
                /*
                 * Resume involves the card going into idle state,
                 * so current partition is always the main one.
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 5d011a39dfff..3f606068d552 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -267,6 +267,15 @@ int mmc_add_card(struct mmc_card *card)
 {
        int ret;
        const char *type;
+        const char *uhs_bus_speed_mode = "";
+        static const char *const uhs_speeds[] = {
+                [UHS_SDR12_BUS_SPEED] = "SDR12 ",
+                [UHS_SDR25_BUS_SPEED] = "SDR25 ",
+                [UHS_SDR50_BUS_SPEED] = "SDR50 ",
+                [UHS_SDR104_BUS_SPEED] = "SDR104 ",
+                [UHS_DDR50_BUS_SPEED] = "DDR50 ",
+        };
        dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);
@@ -296,6 +305,10 @@ int mmc_add_card(struct mmc_card *card)
                break;
        }
+        if (mmc_sd_card_uhs(card) &&
+                (card->sd_bus_speed < ARRAY_SIZE(uhs_speeds)))
+                uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed];
        if (mmc_host_is_spi(card->host)) {
                pr_info("%s: new %s%s%s card on SPI\n",
                        mmc_hostname(card->host),
@@ -303,13 +316,13 @@ int mmc_add_card(struct mmc_card *card)
                        mmc_card_ddr_mode(card) ? "DDR " : "",
                        type);
        } else {
-                pr_info("%s: new %s%s%s%s card at address %04x\n",
+                pr_info("%s: new %s%s%s%s%s card at address %04x\n",
                        mmc_hostname(card->host),
                        mmc_card_uhs(card) ? "ultra high speed " :
                        (mmc_card_highspeed(card) ? "high speed " : ""),
                        (mmc_card_hs200(card) ? "HS200 " : ""),
                        mmc_card_ddr_mode(card) ? "DDR " : "",
-                        type, card->rca);
+                        uhs_bus_speed_mode, type, card->rca);
        }
 #ifdef CONFIG_DEBUG_FS
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 14f262e9246d..7474c47b9c08 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -527,10 +527,14 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
                if (data->flags & MMC_DATA_WRITE)
                        /*
-                         * The limit is really 250 ms, but that is
+                         * The MMC spec "It is strongly recommended
-                         * insufficient for some crappy cards.
+                         * for hosts to implement more than 500ms
+                         * timeout value even if the card indicates
+                         * the 250ms maximum busy length."  Even the
+                         * previous value of 300ms is known to be
+                         * insufficient for some cards.
                         */
-                        limit_us = 300000;
+                        limit_us = 3000000;
                else
                        limit_us = 100000;
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 02914d609a91..54df5adc0413 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -695,6 +695,11 @@ static int mmc_select_powerclass(struct mmc_card *card,
                else if (host->ios.clock <= 200000000)
                        index = EXT_CSD_PWR_CL_200_195;
                break;
+        case MMC_VDD_27_28:
+        case MMC_VDD_28_29:
+        case MMC_VDD_29_30:
+        case MMC_VDD_30_31:
+        case MMC_VDD_31_32:
        case MMC_VDD_32_33:
        case MMC_VDD_33_34:
        case MMC_VDD_34_35:
@@ -1111,11 +1116,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
                ext_csd_bits = (bus_width == MMC_BUS_WIDTH_8) ?
                                EXT_CSD_BUS_WIDTH_8 : EXT_CSD_BUS_WIDTH_4;
                err = mmc_select_powerclass(card, ext_csd_bits, ext_csd);
-                if (err) {
+                if (err)
-                        pr_err("%s: power class selection to bus width %d failed\n",
+                        pr_warning("%s: power class selection to bus width %d"
-                                mmc_hostname(card->host), 1 << bus_width);
+                                   " failed\n", mmc_hostname(card->host),
-                        goto err;
+                                   1 << bus_width);
-                }
        }
        /*
@@ -1147,10 +1151,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
                        err = mmc_select_powerclass(card, ext_csd_bits[idx][0],
                                                    ext_csd);
                        if (err)
-                                pr_err("%s: power class selection to "
+                                pr_warning("%s: power class selection to "
-                                       "bus width %d failed\n",
+                                           "bus width %d failed\n",
-                                       mmc_hostname(card->host),
+                                           mmc_hostname(card->host),
-                                       1 << bus_width);
+                                           1 << bus_width);
                        err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                                         EXT_CSD_BUS_WIDTH,
@@ -1178,10 +1182,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
                        err = mmc_select_powerclass(card, ext_csd_bits[idx][1],
                                                    ext_csd);
                        if (err)
-                                pr_err("%s: power class selection to "
+                                pr_warning("%s: power class selection to "
-                                       "bus width %d ddr %d failed\n",
+                                           "bus width %d ddr %d failed\n",
-                                       mmc_hostname(card->host),
+                                           mmc_hostname(card->host),
-                                       1 << bus_width, ddr);
+                                           1 << bus_width, ddr);
                        err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                                         EXT_CSD_BUS_WIDTH,
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 40989e6bb53a..236842ec955a 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -192,9 +192,15 @@ static int sdio_bus_remove(struct device *dev)
        return ret;
 }
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
+static int pm_no_operation(struct device *dev)
+{
+        return 0;
+}
 static const struct dev_pm_ops sdio_bus_pm_ops = {
+        SET_SYSTEM_SLEEP_PM_OPS(pm_no_operation, pm_no_operation)
        SET_RUNTIME_PM_OPS(
                pm_generic_runtime_suspend,
                pm_generic_runtime_resume,
@@ -204,11 +210,11 @@ static const struct dev_pm_ops sdio_bus_pm_ops = {
 #define SDIO_PM_OPS_PTR (&sdio_bus_pm_ops)
-#else /* !CONFIG_PM_RUNTIME */
+#else /* !CONFIG_PM */
 #define SDIO_PM_OPS_PTR NULL
-#endif /* !CONFIG_PM_RUNTIME */
+#endif /* !CONFIG_PM */
 static struct bus_type sdio_bus_type = {
        .name           = "sdio",
diff --git a/drivers/mmc/host/atmel-mci-regs.h b/drivers/mmc/host/atmel-mci-regs.h
index 000b3ad0f5ca..787aba1682bb 100644
--- a/drivers/mmc/host/atmel-mci-regs.h
+++ b/drivers/mmc/host/atmel-mci-regs.h
@@ -31,6 +31,7 @@
 # define ATMCI_MR_PDCFBYTE              (  1 << 13)     /* Force Byte Transfer */
 # define ATMCI_MR_PDCPADV               (  1 << 14)     /* Padding Value */
 # define ATMCI_MR_PDCMODE               (  1 << 15)     /* PDC-oriented Mode */
+# define ATMCI_MR_CLKODD(x)             ((x) << 16)     /* LSB of Clock Divider */
 #define ATMCI_DTOR                      0x0008  /* Data Timeout */
 # define ATMCI_DTOCYC(x)                ((x) <<  0)     /* Data Timeout Cycles */
 # define ATMCI_DTOMUL(x)                ((x) <<  4)     /* Data Timeout Multiplier */
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 9819dc09ce08..e94476beca18 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -77,6 +77,7 @@ struct atmel_mci_caps {
        bool    has_cstor_reg;
        bool    has_highspeed;
        bool    has_rwproof;
+        bool    has_odd_clk_div;
 };
 struct atmel_mci_dma {
@@ -482,7 +483,14 @@ err:
 static inline unsigned int atmci_ns_to_clocks(struct atmel_mci *host,
                                        unsigned int ns)
 {
-        return (ns * (host->bus_hz / 1000000) + 999) / 1000;
+        /*
+         * It is easier here to use us instead of ns for the timeout,
+         * it prevents from overflows during calculation.
+         */
+        unsigned int us = DIV_ROUND_UP(ns, 1000);
+        /* Maximum clock frequency is host->bus_hz/2 */
+        return us * (DIV_ROUND_UP(host->bus_hz, 2000000));
 }
 static void atmci_set_timeout(struct atmel_mci *host,
@@ -1127,16 +1135,27 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                }
                /* Calculate clock divider */
-                clkdiv = DIV_ROUND_UP(host->bus_hz, 2 * clock_min) - 1;
+                if (host->caps.has_odd_clk_div) {
-                if (clkdiv > 255) {
+                        clkdiv = DIV_ROUND_UP(host->bus_hz, clock_min) - 2;
-                        dev_warn(&mmc->class_dev,
+                        if (clkdiv > 511) {
-                                "clock %u too slow; using %lu\n",
+                                dev_warn(&mmc->class_dev,
-                                clock_min, host->bus_hz / (2 * 256));
+                                         "clock %u too slow; using %lu\n",
-                        clkdiv = 255;
+                                         clock_min, host->bus_hz / (511 + 2));
+                                clkdiv = 511;
+                        }
+                        host->mode_reg = ATMCI_MR_CLKDIV(clkdiv >> 1)
+                                         | ATMCI_MR_CLKODD(clkdiv & 1);
+                } else {
+                        clkdiv = DIV_ROUND_UP(host->bus_hz, 2 * clock_min) - 1;
+                        if (clkdiv > 255) {
+                                dev_warn(&mmc->class_dev,
+                                         "clock %u too slow; using %lu\n",
+                                         clock_min, host->bus_hz / (2 * 256));
+                                clkdiv = 255;
+                        }
+                        host->mode_reg = ATMCI_MR_CLKDIV(clkdiv);
                }
-                host->mode_reg = ATMCI_MR_CLKDIV(clkdiv);
                /*
                 * WRPROOF and RDPROOF prevent overruns/underruns by
                 * stopping the clock when the FIFO is full/empty.
@@ -2007,35 +2026,35 @@ static void __init atmci_get_cap(struct atmel_mci *host)
                        "version: 0x%x\n", version);
        host->caps.has_dma = 0;
-        host->caps.has_pdc = 0;
+        host->caps.has_pdc = 1;
        host->caps.has_cfg_reg = 0;
        host->caps.has_cstor_reg = 0;
        host->caps.has_highspeed = 0;
        host->caps.has_rwproof = 0;
+        host->caps.has_odd_clk_div = 0;
        /* keep only major version number */
        switch (version & 0xf00) {
-        case 0x100:
-        case 0x200:
-                host->caps.has_pdc = 1;
-                host->caps.has_rwproof = 1;
-                break;
-        case 0x300:
-        case 0x400:
        case 0x500:
+                host->caps.has_odd_clk_div = 1;
+        case 0x400:
+        case 0x300:
 #ifdef CONFIG_AT_HDMAC
                host->caps.has_dma = 1;
 #else
-                host->caps.has_dma = 0;
                dev_info(&host->pdev->dev,
                        "has dma capability but dma engine is not selected, then use pio\n");
 #endif
+                host->caps.has_pdc = 0;
                host->caps.has_cfg_reg = 1;
                host->caps.has_cstor_reg = 1;
                host->caps.has_highspeed = 1;
+        case 0x200:
                host->caps.has_rwproof = 1;
+        case 0x100:
                break;
        default:
+                host->caps.has_pdc = 0;
                dev_warn(&host->pdev->dev,
                                "Unmanaged mci version, set minimum capabilities\n");
                break;
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 47adb161d3ad..5c2b1c10af9c 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1785,7 +1785,7 @@ static inline struct omap_mmc_platform_data
 }
 #endif
-static int __init omap_hsmmc_probe(struct platform_device *pdev)
+static int __devinit omap_hsmmc_probe(struct platform_device *pdev)
 {
        struct omap_mmc_platform_data *pdata = pdev->dev.platform_data;
        struct mmc_host *mmc;
@@ -1818,8 +1818,6 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
        if (res == NULL || irq < 0)
                return -ENXIO;
-        res->start += pdata->reg_offset;
-        res->end += pdata->reg_offset;
        res = request_mem_region(res->start, resource_size(res), pdev->name);
        if (res == NULL)
                return -EBUSY;
@@ -1843,7 +1841,7 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
        host->dma_ch    = -1;
        host->irq       = irq;
        host->slot_id   = 0;
-        host->mapbase   = res->start;
+        host->mapbase   = res->start + pdata->reg_offset;
        host->base      = ioremap(host->mapbase, SZ_4K);
        host->power_mode = MMC_POWER_OFF;
        host->next_data.cookie = 1;
@@ -1875,8 +1873,6 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
                goto err1;
        }
-        omap_hsmmc_context_save(host);
        if (host->pdata->controller_flags & OMAP_HSMMC_BROKEN_MULTIBLOCK_READ) {
                dev_info(&pdev->dev, "multiblock reads disabled due to 35xx erratum 2.1.1.128; MMC read performance may suffer\n");
                mmc->caps2 |= MMC_CAP2_NO_MULTI_READ;
@@ -1887,6 +1883,8 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
        pm_runtime_set_autosuspend_delay(host->dev, MMC_AUTOSUSPEND_DELAY);
        pm_runtime_use_autosuspend(host->dev);
+        omap_hsmmc_context_save(host);
        if (cpu_is_omap2430()) {
                host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck");
                /*
@@ -2018,8 +2016,7 @@ err_reg:
 err_irq_cd_init:
        free_irq(host->irq, host);
 err_irq:
-        pm_runtime_mark_last_busy(host->dev);
+        pm_runtime_put_sync(host->dev);
-        pm_runtime_put_autosuspend(host->dev);
        pm_runtime_disable(host->dev);
        clk_put(host->fclk);
        if (host->got_dbclk) {
@@ -2037,35 +2034,33 @@ err:
        return ret;
 }
-static int omap_hsmmc_remove(struct platform_device *pdev)
+static int __devexit omap_hsmmc_remove(struct platform_device *pdev)
 {
        struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
        struct resource *res;
-        if (host) {
+        pm_runtime_get_sync(host->dev);
-                pm_runtime_get_sync(host->dev);
+        mmc_remove_host(host->mmc);
-                mmc_remove_host(host->mmc);
+        if (host->use_reg)
-                if (host->use_reg)
+                omap_hsmmc_reg_put(host);
-                        omap_hsmmc_reg_put(host);
+        if (host->pdata->cleanup)
-                if (host->pdata->cleanup)
+                host->pdata->cleanup(&pdev->dev);
-                        host->pdata->cleanup(&pdev->dev);
+        free_irq(host->irq, host);
-                free_irq(host->irq, host);
+        if (mmc_slot(host).card_detect_irq)
-                if (mmc_slot(host).card_detect_irq)
+                free_irq(mmc_slot(host).card_detect_irq, host);
-                        free_irq(mmc_slot(host).card_detect_irq, host);
-                pm_runtime_put_sync(host->dev);
-                pm_runtime_disable(host->dev);
-                clk_put(host->fclk);
-                if (host->got_dbclk) {
-                        clk_disable(host->dbclk);
-                        clk_put(host->dbclk);
-                }
-                mmc_free_host(host->mmc);
+        pm_runtime_put_sync(host->dev);
-                iounmap(host->base);
+        pm_runtime_disable(host->dev);
-                omap_hsmmc_gpio_free(pdev->dev.platform_data);
+        clk_put(host->fclk);
+        if (host->got_dbclk) {
+                clk_disable(host->dbclk);
+                clk_put(host->dbclk);
        }
+        mmc_free_host(host->mmc);
+        iounmap(host->base);
+        omap_hsmmc_gpio_free(pdev->dev.platform_data);
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (res)
                release_mem_region(res->start, resource_size(res));
@@ -2078,49 +2073,45 @@ static int omap_hsmmc_remove(struct platform_device *pdev)
 static int omap_hsmmc_suspend(struct device *dev)
 {
        int ret = 0;
-        struct platform_device *pdev = to_platform_device(dev);
+        struct omap_hsmmc_host *host = dev_get_drvdata(dev);
-        struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
-        if (host && host->suspended)
+        if (!host)
                return 0;
-        if (host) {
+        if (host && host->suspended)
-                pm_runtime_get_sync(host->dev);
+                return 0;
-                host->suspended = 1;
-                if (host->pdata->suspend) {
-                        ret = host->pdata->suspend(&pdev->dev,
-                                                        host->slot_id);
-                        if (ret) {
-                                dev_dbg(mmc_dev(host->mmc),
-                                        "Unable to handle MMC board"
-                                        " level suspend\n");
-                                host->suspended = 0;
-                                return ret;
-                        }
-                }
-                ret = mmc_suspend_host(host->mmc);
+        pm_runtime_get_sync(host->dev);
+        host->suspended = 1;
+        if (host->pdata->suspend) {
+                ret = host->pdata->suspend(dev, host->slot_id);
                if (ret) {
+                        dev_dbg(dev, "Unable to handle MMC board"
+                                        " level suspend\n");
                        host->suspended = 0;
-                        if (host->pdata->resume) {
+                        return ret;
-                                ret = host->pdata->resume(&pdev->dev,
-                                                          host->slot_id);
-                                if (ret)
-                                        dev_dbg(mmc_dev(host->mmc),
-                                                "Unmask interrupt failed\n");
-                        }
-                        goto err;
                }
+        }
+        ret = mmc_suspend_host(host->mmc);
-                if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) {
+        if (ret) {
-                        omap_hsmmc_disable_irq(host);
+                host->suspended = 0;
-                        OMAP_HSMMC_WRITE(host->base, HCTL,
+                if (host->pdata->resume) {
-                                OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
+                        ret = host->pdata->resume(dev, host->slot_id);
+                        if (ret)
+                                dev_dbg(dev, "Unmask interrupt failed\n");
                }
-                if (host->got_dbclk)
+                goto err;
-                        clk_disable(host->dbclk);
+        }
+        if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) {
+                omap_hsmmc_disable_irq(host);
+                OMAP_HSMMC_WRITE(host->base, HCTL,
+                                OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
        }
+        if (host->got_dbclk)
+                clk_disable(host->dbclk);
 err:
        pm_runtime_put_sync(host->dev);
        return ret;
@@ -2130,38 +2121,37 @@ err:
 static int omap_hsmmc_resume(struct device *dev)
 {
        int ret = 0;
-        struct platform_device *pdev = to_platform_device(dev);
+        struct omap_hsmmc_host *host = dev_get_drvdata(dev);
-        struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
+        if (!host)
+                return 0;
        if (host && !host->suspended)
                return 0;
-        if (host) {
+        pm_runtime_get_sync(host->dev);
-                pm_runtime_get_sync(host->dev);
-                if (host->got_dbclk)
+        if (host->got_dbclk)
-                        clk_enable(host->dbclk);
+                clk_enable(host->dbclk);
-                if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER))
+        if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER))
-                        omap_hsmmc_conf_bus_power(host);
+                omap_hsmmc_conf_bus_power(host);
-                if (host->pdata->resume) {
+        if (host->pdata->resume) {
-                        ret = host->pdata->resume(&pdev->dev, host->slot_id);
+                ret = host->pdata->resume(dev, host->slot_id);
-                        if (ret)
+                if (ret)
-                                dev_dbg(mmc_dev(host->mmc),
+                        dev_dbg(dev, "Unmask interrupt failed\n");
-                                        "Unmask interrupt failed\n");
+        }
-                }
-                omap_hsmmc_protect_card(host);
+        omap_hsmmc_protect_card(host);
-                /* Notify the core to resume the host */
+        /* Notify the core to resume the host */
-                ret = mmc_resume_host(host->mmc);
+        ret = mmc_resume_host(host->mmc);
-                if (ret == 0)
+        if (ret == 0)
-                        host->suspended = 0;
+                host->suspended = 0;
-                pm_runtime_mark_last_busy(host->dev);
+        pm_runtime_mark_last_busy(host->dev);
-                pm_runtime_put_autosuspend(host->dev);
+        pm_runtime_put_autosuspend(host->dev);
-        }
        return ret;
@@ -2178,7 +2168,7 @@ static int omap_hsmmc_runtime_suspend(struct device *dev)
        host = platform_get_drvdata(to_platform_device(dev));
        omap_hsmmc_context_save(host);
-        dev_dbg(mmc_dev(host->mmc), "disabled\n");
+        dev_dbg(dev, "disabled\n");
        return 0;
 }
@@ -2189,7 +2179,7 @@ static int omap_hsmmc_runtime_resume(struct device *dev)
        host = platform_get_drvdata(to_platform_device(dev));
        omap_hsmmc_context_restore(host);
-        dev_dbg(mmc_dev(host->mmc), "enabled\n");
+        dev_dbg(dev, "enabled\n");
        return 0;
 }
@@ -2202,7 +2192,8 @@ static struct dev_pm_ops omap_hsmmc_dev_pm_ops = {
 };
 static struct platform_driver omap_hsmmc_driver = {
-        .remove         = omap_hsmmc_remove,
+        .probe          = omap_hsmmc_probe,
+        .remove         = __devexit_p(omap_hsmmc_remove),
        .driver         = {
                .name = DRIVER_NAME,
                .owner = THIS_MODULE,
@@ -2211,21 +2202,7 @@ static struct platform_driver omap_hsmmc_driver = {
        },
 };
-static int __init omap_hsmmc_init(void)
+module_platform_driver(omap_hsmmc_driver);
-{
-        /* Register the MMC driver */
-        return platform_driver_probe(&omap_hsmmc_driver, omap_hsmmc_probe);
-}
-static void __exit omap_hsmmc_cleanup(void)
-{
-        /* Unregister MMC driver */
-        platform_driver_unregister(&omap_hsmmc_driver);
-}
-module_init(omap_hsmmc_init);
-module_exit(omap_hsmmc_cleanup);
 MODULE_DESCRIPTION("OMAP High Speed Multimedia Card driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c
index 46fd1fd1b605..177f697b5835 100644
--- a/drivers/mmc/host/sdhci-dove.c
+++ b/drivers/mmc/host/sdhci-dove.c
@@ -20,6 +20,7 @@
 */
 #include <linux/io.h>
+#include <linux/module.h>
 #include <linux/mmc/host.h>
 #include "sdhci-pltfm.h"
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index fbbebe251e01..69ef0beae104 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -1418,8 +1418,6 @@ static int __devinit sdhci_pci_probe(struct pci_dev *pdev,
        slots = chip->num_slots;        /* Quirk may have changed this */
-        pci_enable_msi(pdev);
        for (i = 0; i < slots; i++) {
                slot = sdhci_pci_probe_slot(pdev, chip, first_bar, i);
                if (IS_ERR(slot)) {
@@ -1438,8 +1436,6 @@ static int __devinit sdhci_pci_probe(struct pci_dev *pdev,
        return 0;
 free:
-        pci_disable_msi(pdev);
        pci_set_drvdata(pdev, NULL);
        kfree(chip);
@@ -1462,8 +1458,6 @@ static void __devexit sdhci_pci_remove(struct pci_dev *pdev)
                for (i = 0; i < chip->num_slots; i++)
                        sdhci_pci_remove_slot(chip->slots[i]);
-                pci_disable_msi(pdev);
                pci_set_drvdata(pdev, NULL);
                kfree(chip);
        }
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index b19e7d435f8d..55a164fcaa15 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -20,6 +20,10 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 #include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
 #include <linux/mmc/host.h>
@@ -53,6 +57,18 @@ struct sdhci_s3c {
        struct clk              *clk_bus[MAX_BUS_CLK];
 };
+/**
+ * struct sdhci_s3c_driver_data - S3C SDHCI platform specific driver data
+ * @sdhci_quirks: sdhci host specific quirks.
+ *
+ * Specifies platform specific configuration of sdhci controller.
+ * Note: A structure for driver specific platform data is used for future
+ * expansion of its usage.
+ */
+struct sdhci_s3c_drv_data {
+        unsigned int    sdhci_quirks;
+};
 static inline struct sdhci_s3c *to_s3c(struct sdhci_host *host)
 {
        return sdhci_priv(host);
@@ -132,10 +148,10 @@ static unsigned int sdhci_s3c_consider_clock(struct sdhci_s3c *ourhost,
                return UINT_MAX;
        /*
-         * Clock divider's step is different as 1 from that of host controller
+         * If controller uses a non-standard clock division, find the best clock
-         * when 'clk_type' is S3C_SDHCI_CLK_DIV_EXTERNAL.
+         * speed possible with selected clock source and skip the division.
         */
-        if (ourhost->pdata->clk_type) {
+        if (ourhost->host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) {
                rate = clk_round_rate(clksrc, wanted);
                return wanted - rate;
        }
@@ -272,6 +288,8 @@ static unsigned int sdhci_cmu_get_min_clock(struct sdhci_host *host)
 static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
 {
        struct sdhci_s3c *ourhost = to_s3c(host);
+        unsigned long timeout;
+        u16 clk = 0;
        /* don't bother if the clock is going off */
        if (clock == 0)
@@ -282,6 +300,25 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
        clk_set_rate(ourhost->clk_bus[ourhost->cur_clk], clock);
        host->clock = clock;
+        clk = SDHCI_CLOCK_INT_EN;
+        sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
+        /* Wait max 20 ms */
+        timeout = 20;
+        while (!((clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL))
+                & SDHCI_CLOCK_INT_STABLE)) {
+                if (timeout == 0) {
+                        printk(KERN_ERR "%s: Internal clock never "
+                                "stabilised.\n", mmc_hostname(host->mmc));
+                        return;
+                }
+                timeout--;
+                mdelay(1);
+        }
+        clk |= SDHCI_CLOCK_CARD_EN;
+        sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
 }
 /**
@@ -382,16 +419,24 @@ static void sdhci_s3c_setup_card_detect_gpio(struct sdhci_s3c *sc)
        }
 }
+static inline struct sdhci_s3c_drv_data *sdhci_s3c_get_driver_data(
+                        struct platform_device *pdev)
+{
+        return (struct sdhci_s3c_drv_data *)
+                        platform_get_device_id(pdev)->driver_data;
+}
 static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 {
-        struct s3c_sdhci_platdata *pdata = pdev->dev.platform_data;
+        struct s3c_sdhci_platdata *pdata;
+        struct sdhci_s3c_drv_data *drv_data;
        struct device *dev = &pdev->dev;
        struct sdhci_host *host;
        struct sdhci_s3c *sc;
        struct resource *res;
        int ret, irq, ptr, clks;
-        if (!pdata) {
+        if (!pdev->dev.platform_data) {
                dev_err(dev, "no device data specified\n");
                return -ENOENT;
        }
@@ -402,18 +447,20 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
                return irq;
        }
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!res) {
-                dev_err(dev, "no memory specified\n");
-                return -ENOENT;
-        }
        host = sdhci_alloc_host(dev, sizeof(struct sdhci_s3c));
        if (IS_ERR(host)) {
                dev_err(dev, "sdhci_alloc_host() failed\n");
                return PTR_ERR(host);
        }
+        pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+        if (!pdata) {
+                ret = -ENOMEM;
+                goto err_io_clk;
+        }
+        memcpy(pdata, pdev->dev.platform_data, sizeof(*pdata));
+        drv_data = sdhci_s3c_get_driver_data(pdev);
        sc = sdhci_priv(host);
        sc->host = host;
@@ -464,15 +511,8 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
                goto err_no_busclks;
        }
-        sc->ioarea = request_mem_region(res->start, resource_size(res),
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-                                        mmc_hostname(host->mmc));
+        host->ioaddr = devm_request_and_ioremap(&pdev->dev, res);
-        if (!sc->ioarea) {
-                dev_err(dev, "failed to reserve register area\n");
-                ret = -ENXIO;
-                goto err_req_regs;
-        }
-        host->ioaddr = ioremap_nocache(res->start, resource_size(res));
        if (!host->ioaddr) {
                dev_err(dev, "failed to map registers\n");
                ret = -ENXIO;
@@ -491,6 +531,8 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
        /* Setup quirks for the controller */
        host->quirks |= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC;
        host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT;
+        if (drv_data)
+                host->quirks |= drv_data->sdhci_quirks;
 #ifndef CONFIG_MMC_SDHCI_S3C_DMA
@@ -518,6 +560,14 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
        if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
                host->mmc->caps = MMC_CAP_NONREMOVABLE;
+        switch (pdata->max_width) {
+        case 8:
+                host->mmc->caps |= MMC_CAP_8_BIT_DATA;
+        case 4:
+                host->mmc->caps |= MMC_CAP_4_BIT_DATA;
+                break;
+        }
        if (pdata->pm_caps)
                host->mmc->pm_caps |= pdata->pm_caps;
@@ -531,7 +581,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
         * If controller does not have internal clock divider,
         * we can use overriding functions instead of default.
         */
-        if (pdata->clk_type) {
+        if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) {
                sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock;
                sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock;
                sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock;
@@ -544,10 +594,17 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
        if (pdata->host_caps2)
                host->mmc->caps2 |= pdata->host_caps2;
+        pm_runtime_enable(&pdev->dev);
+        pm_runtime_set_autosuspend_delay(&pdev->dev, 50);
+        pm_runtime_use_autosuspend(&pdev->dev);
+        pm_suspend_ignore_children(&pdev->dev, 1);
        ret = sdhci_add_host(host);
        if (ret) {
                dev_err(dev, "sdhci_add_host() failed\n");
-                goto err_add_host;
+                pm_runtime_forbid(&pdev->dev);
+                pm_runtime_get_noresume(&pdev->dev);
+                goto err_req_regs;
        }
        /* The following two methods of card detection might call
@@ -561,10 +618,6 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
        return 0;
- err_add_host:
-        release_resource(sc->ioarea);
-        kfree(sc->ioarea);
 err_req_regs:
        for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
                if (sc->clk_bus[ptr]) {
@@ -601,6 +654,8 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
        sdhci_remove_host(host, 1);
+        pm_runtime_disable(&pdev->dev);
        for (ptr = 0; ptr < 3; ptr++) {
                if (sc->clk_bus[ptr]) {
                        clk_disable(sc->clk_bus[ptr]);
@@ -610,18 +665,13 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
        clk_disable(sc->clk_io);
        clk_put(sc->clk_io);
-        iounmap(host->ioaddr);
-        release_resource(sc->ioarea);
-        kfree(sc->ioarea);
        sdhci_free_host(host);
        platform_set_drvdata(pdev, NULL);
        return 0;
 }
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int sdhci_s3c_suspend(struct device *dev)
 {
        struct sdhci_host *host = dev_get_drvdata(dev);
@@ -635,10 +685,29 @@ static int sdhci_s3c_resume(struct device *dev)
        return sdhci_resume_host(host);
 }
+#endif
+#ifdef CONFIG_PM_RUNTIME
+static int sdhci_s3c_runtime_suspend(struct device *dev)
+{
+        struct sdhci_host *host = dev_get_drvdata(dev);
+        return sdhci_runtime_suspend_host(host);
+}
+static int sdhci_s3c_runtime_resume(struct device *dev)
+{
+        struct sdhci_host *host = dev_get_drvdata(dev);
+        return sdhci_runtime_resume_host(host);
+}
+#endif
+#ifdef CONFIG_PM
 static const struct dev_pm_ops sdhci_s3c_pmops = {
-        .suspend        = sdhci_s3c_suspend,
+        SET_SYSTEM_SLEEP_PM_OPS(sdhci_s3c_suspend, sdhci_s3c_resume)
-        .resume         = sdhci_s3c_resume,
+        SET_RUNTIME_PM_OPS(sdhci_s3c_runtime_suspend, sdhci_s3c_runtime_resume,
+                           NULL)
 };
 #define SDHCI_S3C_PMOPS (&sdhci_s3c_pmops)
@@ -647,9 +716,31 @@ static const struct dev_pm_ops sdhci_s3c_pmops = {
 #define SDHCI_S3C_PMOPS NULL
 #endif
+#if defined(CONFIG_CPU_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212)
+static struct sdhci_s3c_drv_data exynos4_sdhci_drv_data = {
+        .sdhci_quirks = SDHCI_QUIRK_NONSTANDARD_CLOCK,
+};
+#define EXYNOS4_SDHCI_DRV_DATA ((kernel_ulong_t)&exynos4_sdhci_drv_data)
+#else
+#define EXYNOS4_SDHCI_DRV_DATA ((kernel_ulong_t)NULL)
+#endif
+static struct platform_device_id sdhci_s3c_driver_ids[] = {
+        {
+                .name           = "s3c-sdhci",
+                .driver_data    = (kernel_ulong_t)NULL,
+        }, {
+                .name           = "exynos4-sdhci",
+                .driver_data    = EXYNOS4_SDHCI_DRV_DATA,
+        },
+        { }
+};
+MODULE_DEVICE_TABLE(platform, sdhci_s3c_driver_ids);
 static struct platform_driver sdhci_s3c_driver = {
        .probe          = sdhci_s3c_probe,
        .remove         = __devexit_p(sdhci_s3c_remove),
+        .id_table       = sdhci_s3c_driver_ids,
        .driver         = {
                .owner  = THIS_MODULE,
                .name   = "s3c-sdhci",
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 8262cadfdab7..9aa77f3f04a8 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2782,8 +2782,9 @@ int sdhci_add_host(struct sdhci_host *host)
            mmc_card_is_removable(mmc))
                mmc->caps |= MMC_CAP_NEEDS_POLL;
-        /* UHS-I mode(s) supported by the host controller. */
+        /* Any UHS-I mode in caps implies SDR12 and SDR25 support. */
-        if (host->version >= SDHCI_SPEC_300)
+        if (caps[1] & (SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 |
+                       SDHCI_SUPPORT_DDR50))
                mmc->caps |= MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25;
        /* SDR104 supports also implies SDR50 support */
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index aafaf0b6eb1c..724b35e85a26 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -454,7 +454,8 @@ static void sh_mmcif_clock_control(struct sh_mmcif_host *host, unsigned int clk)
                sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_SUP_PCLK);
        else
                sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_CLEAR &
-                                ((fls(host->clk / clk) - 1) << 16));
+                                ((fls(DIV_ROUND_UP(host->clk,
+                                                   clk) - 1) - 1) << 16));
        sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_ENABLE);
 }
@@ -1297,14 +1298,8 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev)
        spin_lock_init(&host->lock);
        mmc->ops = &sh_mmcif_ops;
-        mmc->f_max = host->clk;
+        mmc->f_max = host->clk / 2;
-        /* close to 400KHz */
+        mmc->f_min = host->clk / 512;
-        if (mmc->f_max < 51200000)
-                mmc->f_min = mmc->f_max / 128;
-        else if (mmc->f_max < 102400000)
-                mmc->f_min = mmc->f_max / 256;
-        else
-                mmc->f_min = mmc->f_max / 512;
        if (pd->ocr)
                mmc->ocr_avail = pd->ocr;
        mmc->caps = MMC_CAP_MMC_HIGHSPEED;
diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c
index e2cdebf40840..61af9bb560ab 100644
--- a/drivers/mtd/ubi/debug.c
+++ b/drivers/mtd/ubi/debug.c
@@ -386,19 +386,11 @@ out:
        return count;
 }
-static int default_open(struct inode *inode, struct file *file)
-{
-        if (inode->i_private)
-                file->private_data = inode->i_private;
-        return 0;
-}
 /* File operations for all UBI debugfs files */
 static const struct file_operations dfs_fops = {
        .read   = dfs_file_read,
        .write  = dfs_file_write,
-        .open   = default_open,
+        .open   = simple_open,
        .llseek = no_llseek,
        .owner  = THIS_MODULE,
 };
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 941b4e189adf..62d2409bb293 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2034,6 +2034,9 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
        write_unlock_bh(&bond->lock);
        unblock_netpoll_tx();
+        if (bond->slave_cnt == 0)
+                call_netdevice_notifiers(NETDEV_CHANGEADDR, bond->dev);
        bond_compute_features(bond);
        if (!(bond_dev->features & NETIF_F_VLAN_CHALLENGED) &&
            (old_features & NETIF_F_VLAN_CHALLENGED))
@@ -3007,7 +3010,11 @@ static void bond_ab_arp_commit(struct bonding *bond, int delta_in_ticks)
                                           trans_start + delta_in_ticks)) ||
                            bond->curr_active_slave != slave) {
                                slave->link = BOND_LINK_UP;
-                                bond->current_arp_slave = NULL;
+                                if (bond->current_arp_slave) {
+                                        bond_set_slave_inactive_flags(
+                                                bond->current_arp_slave);
+                                        bond->current_arp_slave = NULL;
+                                }
                                pr_info("%s: link status definitely up for interface %s.\n",
                                        bond->dev->name, slave->dev->name);
@@ -3701,17 +3708,52 @@ static void bond_set_multicast_list(struct net_device *bond_dev)
        read_unlock(&bond->lock);
 }
-static int bond_neigh_setup(struct net_device *dev, struct neigh_parms *parms)
+static int bond_neigh_init(struct neighbour *n)
 {
-        struct bonding *bond = netdev_priv(dev);
+        struct bonding *bond = netdev_priv(n->dev);
        struct slave *slave = bond->first_slave;
+        const struct net_device_ops *slave_ops;
+        struct neigh_parms parms;
+        int ret;
+        if (!slave)
+                return 0;
+        slave_ops = slave->dev->netdev_ops;
+        if (!slave_ops->ndo_neigh_setup)
+                return 0;
+        parms.neigh_setup = NULL;
+        parms.neigh_cleanup = NULL;
+        ret = slave_ops->ndo_neigh_setup(slave->dev, &parms);
+        if (ret)
+                return ret;
+        /*
+         * Assign slave's neigh_cleanup to neighbour in case cleanup is called
+         * after the last slave has been detached.  Assumes that all slaves
+         * utilize the same neigh_cleanup (true at this writing as only user
+         * is ipoib).
+         */
+        n->parms->neigh_cleanup = parms.neigh_cleanup;
+        if (!parms.neigh_setup)
+                return 0;
+        return parms.neigh_setup(n);
+}
+/*
+ * The bonding ndo_neigh_setup is called at init time beofre any
+ * slave exists. So we must declare proxy setup function which will
+ * be used at run time to resolve the actual slave neigh param setup.
+ */
+static int bond_neigh_setup(struct net_device *dev,
+                            struct neigh_parms *parms)
+{
+        parms->neigh_setup   = bond_neigh_init;
-        if (slave) {
-                const struct net_device_ops *slave_ops
-                        = slave->dev->netdev_ops;
-                if (slave_ops->ndo_neigh_setup)
-                        return slave_ops->ndo_neigh_setup(slave->dev, parms);
-        }
        return 0;
 }
diff --git a/drivers/net/caif/caif_spi.c b/drivers/net/caif/caif_spi.c
index 96391c36fa74..b71ce9bf0afb 100644
--- a/drivers/net/caif/caif_spi.c
+++ b/drivers/net/caif/caif_spi.c
@@ -127,12 +127,6 @@ static inline void dev_debugfs_rem(struct cfspi *cfspi)
        debugfs_remove(cfspi->dbgfs_dir);
 }
-static int dbgfs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t dbgfs_state(struct file *file, char __user *user_buf,
                           size_t count, loff_t *ppos)
 {
@@ -243,13 +237,13 @@ static ssize_t dbgfs_frame(struct file *file, char __user *user_buf,
 }
 static const struct file_operations dbgfs_state_fops = {
-        .open = dbgfs_open,
+        .open = simple_open,
        .read = dbgfs_state,
        .owner = THIS_MODULE
 };
 static const struct file_operations dbgfs_frame_fops = {
-        .open = dbgfs_open,
+        .open = simple_open,
        .read = dbgfs_frame,
        .owner = THIS_MODULE
 };
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 44556b719e81..4b054812713a 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -1874,7 +1874,6 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
                 * bnx2x_periodic_task().
                 */
                smp_mb();
-                queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
        } else
                bp->port.pmf = 0;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h
index cd6dfa9eaa3a..b9b263323436 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h
@@ -25,31 +25,31 @@
        (IRO[149].base + ((funcId) * IRO[149].m1))
 #define CSTORM_IGU_MODE_OFFSET (IRO[157].base)
 #define CSTORM_ISCSI_CQ_SIZE_OFFSET(pfId) \
-        (IRO[315].base + ((pfId) * IRO[315].m1))
-#define CSTORM_ISCSI_CQ_SQN_SIZE_OFFSET(pfId) \
        (IRO[316].base + ((pfId) * IRO[316].m1))
+#define CSTORM_ISCSI_CQ_SQN_SIZE_OFFSET(pfId) \
+        (IRO[317].base + ((pfId) * IRO[317].m1))
 #define CSTORM_ISCSI_EQ_CONS_OFFSET(pfId, iscsiEqId) \
-        (IRO[308].base + ((pfId) * IRO[308].m1) + ((iscsiEqId) * IRO[308].m2))
+        (IRO[309].base + ((pfId) * IRO[309].m1) + ((iscsiEqId) * IRO[309].m2))
 #define CSTORM_ISCSI_EQ_NEXT_EQE_ADDR_OFFSET(pfId, iscsiEqId) \
-        (IRO[310].base + ((pfId) * IRO[310].m1) + ((iscsiEqId) * IRO[310].m2))
+        (IRO[311].base + ((pfId) * IRO[311].m1) + ((iscsiEqId) * IRO[311].m2))
 #define CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_OFFSET(pfId, iscsiEqId) \
-        (IRO[309].base + ((pfId) * IRO[309].m1) + ((iscsiEqId) * IRO[309].m2))
+        (IRO[310].base + ((pfId) * IRO[310].m1) + ((iscsiEqId) * IRO[310].m2))
 #define CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_VALID_OFFSET(pfId, iscsiEqId) \
-        (IRO[311].base + ((pfId) * IRO[311].m1) + ((iscsiEqId) * IRO[311].m2))
+        (IRO[312].base + ((pfId) * IRO[312].m1) + ((iscsiEqId) * IRO[312].m2))
 #define CSTORM_ISCSI_EQ_PROD_OFFSET(pfId, iscsiEqId) \
-        (IRO[307].base + ((pfId) * IRO[307].m1) + ((iscsiEqId) * IRO[307].m2))
+        (IRO[308].base + ((pfId) * IRO[308].m1) + ((iscsiEqId) * IRO[308].m2))
 #define CSTORM_ISCSI_EQ_SB_INDEX_OFFSET(pfId, iscsiEqId) \
-        (IRO[313].base + ((pfId) * IRO[313].m1) + ((iscsiEqId) * IRO[313].m2))
+        (IRO[314].base + ((pfId) * IRO[314].m1) + ((iscsiEqId) * IRO[314].m2))
 #define CSTORM_ISCSI_EQ_SB_NUM_OFFSET(pfId, iscsiEqId) \
-        (IRO[312].base + ((pfId) * IRO[312].m1) + ((iscsiEqId) * IRO[312].m2))
+        (IRO[313].base + ((pfId) * IRO[313].m1) + ((iscsiEqId) * IRO[313].m2))
 #define CSTORM_ISCSI_HQ_SIZE_OFFSET(pfId) \
-        (IRO[314].base + ((pfId) * IRO[314].m1))
+        (IRO[315].base + ((pfId) * IRO[315].m1))
 #define CSTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfId) \
-        (IRO[306].base + ((pfId) * IRO[306].m1))
+        (IRO[307].base + ((pfId) * IRO[307].m1))
 #define CSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfId) \
-        (IRO[305].base + ((pfId) * IRO[305].m1))
+        (IRO[306].base + ((pfId) * IRO[306].m1))
 #define CSTORM_ISCSI_PAGE_SIZE_OFFSET(pfId) \
-        (IRO[304].base + ((pfId) * IRO[304].m1))
+        (IRO[305].base + ((pfId) * IRO[305].m1))
 #define CSTORM_RECORD_SLOW_PATH_OFFSET(funcId) \
        (IRO[151].base + ((funcId) * IRO[151].m1))
 #define CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(pfId) \
@@ -96,37 +96,37 @@
 #define TSTORM_FUNC_EN_OFFSET(funcId) \
        (IRO[103].base + ((funcId) * IRO[103].m1))
 #define TSTORM_ISCSI_ERROR_BITMAP_OFFSET(pfId) \
-        (IRO[271].base + ((pfId) * IRO[271].m1))
-#define TSTORM_ISCSI_L2_ISCSI_OOO_CID_TABLE_OFFSET(pfId) \
        (IRO[272].base + ((pfId) * IRO[272].m1))
-#define TSTORM_ISCSI_L2_ISCSI_OOO_CLIENT_ID_TABLE_OFFSET(pfId) \
+#define TSTORM_ISCSI_L2_ISCSI_OOO_CID_TABLE_OFFSET(pfId) \
        (IRO[273].base + ((pfId) * IRO[273].m1))
-#define TSTORM_ISCSI_L2_ISCSI_OOO_PROD_OFFSET(pfId) \
+#define TSTORM_ISCSI_L2_ISCSI_OOO_CLIENT_ID_TABLE_OFFSET(pfId) \
        (IRO[274].base + ((pfId) * IRO[274].m1))
+#define TSTORM_ISCSI_L2_ISCSI_OOO_PROD_OFFSET(pfId) \
+        (IRO[275].base + ((pfId) * IRO[275].m1))
 #define TSTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfId) \
-        (IRO[270].base + ((pfId) * IRO[270].m1))
+        (IRO[271].base + ((pfId) * IRO[271].m1))
 #define TSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfId) \
-        (IRO[269].base + ((pfId) * IRO[269].m1))
+        (IRO[270].base + ((pfId) * IRO[270].m1))
 #define TSTORM_ISCSI_PAGE_SIZE_OFFSET(pfId) \
-        (IRO[268].base + ((pfId) * IRO[268].m1))
+        (IRO[269].base + ((pfId) * IRO[269].m1))
 #define TSTORM_ISCSI_RQ_SIZE_OFFSET(pfId) \
-        (IRO[267].base + ((pfId) * IRO[267].m1))
+        (IRO[268].base + ((pfId) * IRO[268].m1))
 #define TSTORM_ISCSI_TCP_LOCAL_ADV_WND_OFFSET(pfId) \
-        (IRO[276].base + ((pfId) * IRO[276].m1))
+        (IRO[277].base + ((pfId) * IRO[277].m1))
 #define TSTORM_ISCSI_TCP_VARS_FLAGS_OFFSET(pfId) \
-        (IRO[263].base + ((pfId) * IRO[263].m1))
-#define TSTORM_ISCSI_TCP_VARS_LSB_LOCAL_MAC_ADDR_OFFSET(pfId) \
        (IRO[264].base + ((pfId) * IRO[264].m1))
-#define TSTORM_ISCSI_TCP_VARS_MID_LOCAL_MAC_ADDR_OFFSET(pfId) \
+#define TSTORM_ISCSI_TCP_VARS_LSB_LOCAL_MAC_ADDR_OFFSET(pfId) \
        (IRO[265].base + ((pfId) * IRO[265].m1))
-#define TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(pfId) \
+#define TSTORM_ISCSI_TCP_VARS_MID_LOCAL_MAC_ADDR_OFFSET(pfId) \
        (IRO[266].base + ((pfId) * IRO[266].m1))
+#define TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(pfId) \
+        (IRO[267].base + ((pfId) * IRO[267].m1))
 #define TSTORM_MAC_FILTER_CONFIG_OFFSET(pfId) \
        (IRO[202].base + ((pfId) * IRO[202].m1))
 #define TSTORM_RECORD_SLOW_PATH_OFFSET(funcId) \
        (IRO[105].base + ((funcId) * IRO[105].m1))
 #define TSTORM_TCP_MAX_CWND_OFFSET(pfId) \
-        (IRO[216].base + ((pfId) * IRO[216].m1))
+        (IRO[217].base + ((pfId) * IRO[217].m1))
 #define TSTORM_VF_TO_PF_OFFSET(funcId) \
        (IRO[104].base + ((funcId) * IRO[104].m1))
 #define USTORM_AGG_DATA_OFFSET (IRO[206].base)
@@ -140,29 +140,29 @@
 #define USTORM_ETH_PAUSE_ENABLED_OFFSET(portId) \
        (IRO[183].base + ((portId) * IRO[183].m1))
 #define USTORM_FCOE_EQ_PROD_OFFSET(pfId) \
-        (IRO[317].base + ((pfId) * IRO[317].m1))
+        (IRO[318].base + ((pfId) * IRO[318].m1))
 #define USTORM_FUNC_EN_OFFSET(funcId) \
        (IRO[178].base + ((funcId) * IRO[178].m1))
 #define USTORM_ISCSI_CQ_SIZE_OFFSET(pfId) \
-        (IRO[281].base + ((pfId) * IRO[281].m1))
-#define USTORM_ISCSI_CQ_SQN_SIZE_OFFSET(pfId) \
        (IRO[282].base + ((pfId) * IRO[282].m1))
+#define USTORM_ISCSI_CQ_SQN_SIZE_OFFSET(pfId) \
+        (IRO[283].base + ((pfId) * IRO[283].m1))
 #define USTORM_ISCSI_ERROR_BITMAP_OFFSET(pfId) \
-        (IRO[286].base + ((pfId) * IRO[286].m1))
+        (IRO[287].base + ((pfId) * IRO[287].m1))
 #define USTORM_ISCSI_GLOBAL_BUF_PHYS_ADDR_OFFSET(pfId) \
-        (IRO[283].base + ((pfId) * IRO[283].m1))
+        (IRO[284].base + ((pfId) * IRO[284].m1))
 #define USTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfId) \
-        (IRO[279].base + ((pfId) * IRO[279].m1))
+        (IRO[280].base + ((pfId) * IRO[280].m1))
 #define USTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfId) \
-        (IRO[278].base + ((pfId) * IRO[278].m1))
+        (IRO[279].base + ((pfId) * IRO[279].m1))
 #define USTORM_ISCSI_PAGE_SIZE_OFFSET(pfId) \
-        (IRO[277].base + ((pfId) * IRO[277].m1))
+        (IRO[278].base + ((pfId) * IRO[278].m1))
 #define USTORM_ISCSI_R2TQ_SIZE_OFFSET(pfId) \
-        (IRO[280].base + ((pfId) * IRO[280].m1))
+        (IRO[281].base + ((pfId) * IRO[281].m1))
 #define USTORM_ISCSI_RQ_BUFFER_SIZE_OFFSET(pfId) \
-        (IRO[284].base + ((pfId) * IRO[284].m1))
-#define USTORM_ISCSI_RQ_SIZE_OFFSET(pfId) \
        (IRO[285].base + ((pfId) * IRO[285].m1))
+#define USTORM_ISCSI_RQ_SIZE_OFFSET(pfId) \
+        (IRO[286].base + ((pfId) * IRO[286].m1))
 #define USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(pfId) \
        (IRO[182].base + ((pfId) * IRO[182].m1))
 #define USTORM_RECORD_SLOW_PATH_OFFSET(funcId) \
@@ -188,39 +188,39 @@
 #define XSTORM_FUNC_EN_OFFSET(funcId) \
        (IRO[47].base + ((funcId) * IRO[47].m1))
 #define XSTORM_ISCSI_HQ_SIZE_OFFSET(pfId) \
-        (IRO[294].base + ((pfId) * IRO[294].m1))
+        (IRO[295].base + ((pfId) * IRO[295].m1))
 #define XSTORM_ISCSI_LOCAL_MAC_ADDR0_OFFSET(pfId) \
-        (IRO[297].base + ((pfId) * IRO[297].m1))
-#define XSTORM_ISCSI_LOCAL_MAC_ADDR1_OFFSET(pfId) \
        (IRO[298].base + ((pfId) * IRO[298].m1))
-#define XSTORM_ISCSI_LOCAL_MAC_ADDR2_OFFSET(pfId) \
+#define XSTORM_ISCSI_LOCAL_MAC_ADDR1_OFFSET(pfId) \
        (IRO[299].base + ((pfId) * IRO[299].m1))
-#define XSTORM_ISCSI_LOCAL_MAC_ADDR3_OFFSET(pfId) \
+#define XSTORM_ISCSI_LOCAL_MAC_ADDR2_OFFSET(pfId) \
        (IRO[300].base + ((pfId) * IRO[300].m1))
-#define XSTORM_ISCSI_LOCAL_MAC_ADDR4_OFFSET(pfId) \
+#define XSTORM_ISCSI_LOCAL_MAC_ADDR3_OFFSET(pfId) \
        (IRO[301].base + ((pfId) * IRO[301].m1))
-#define XSTORM_ISCSI_LOCAL_MAC_ADDR5_OFFSET(pfId) \
+#define XSTORM_ISCSI_LOCAL_MAC_ADDR4_OFFSET(pfId) \
        (IRO[302].base + ((pfId) * IRO[302].m1))
-#define XSTORM_ISCSI_LOCAL_VLAN_OFFSET(pfId) \
+#define XSTORM_ISCSI_LOCAL_MAC_ADDR5_OFFSET(pfId) \
        (IRO[303].base + ((pfId) * IRO[303].m1))
+#define XSTORM_ISCSI_LOCAL_VLAN_OFFSET(pfId) \
+        (IRO[304].base + ((pfId) * IRO[304].m1))
 #define XSTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfId) \
-        (IRO[293].base + ((pfId) * IRO[293].m1))
+        (IRO[294].base + ((pfId) * IRO[294].m1))
 #define XSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfId) \
-        (IRO[292].base + ((pfId) * IRO[292].m1))
+        (IRO[293].base + ((pfId) * IRO[293].m1))
 #define XSTORM_ISCSI_PAGE_SIZE_OFFSET(pfId) \
-        (IRO[291].base + ((pfId) * IRO[291].m1))
+        (IRO[292].base + ((pfId) * IRO[292].m1))
 #define XSTORM_ISCSI_R2TQ_SIZE_OFFSET(pfId) \
-        (IRO[296].base + ((pfId) * IRO[296].m1))
+        (IRO[297].base + ((pfId) * IRO[297].m1))
 #define XSTORM_ISCSI_SQ_SIZE_OFFSET(pfId) \
-        (IRO[295].base + ((pfId) * IRO[295].m1))
+        (IRO[296].base + ((pfId) * IRO[296].m1))
 #define XSTORM_ISCSI_TCP_VARS_ADV_WND_SCL_OFFSET(pfId) \
-        (IRO[290].base + ((pfId) * IRO[290].m1))
+        (IRO[291].base + ((pfId) * IRO[291].m1))
 #define XSTORM_ISCSI_TCP_VARS_FLAGS_OFFSET(pfId) \
-        (IRO[289].base + ((pfId) * IRO[289].m1))
+        (IRO[290].base + ((pfId) * IRO[290].m1))
 #define XSTORM_ISCSI_TCP_VARS_TOS_OFFSET(pfId) \
-        (IRO[288].base + ((pfId) * IRO[288].m1))
+        (IRO[289].base + ((pfId) * IRO[289].m1))
 #define XSTORM_ISCSI_TCP_VARS_TTL_OFFSET(pfId) \
-        (IRO[287].base + ((pfId) * IRO[287].m1))
+        (IRO[288].base + ((pfId) * IRO[288].m1))
 #define XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(pfId) \
        (IRO[44].base + ((pfId) * IRO[44].m1))
 #define XSTORM_RECORD_SLOW_PATH_OFFSET(funcId) \
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index efa557b76ac7..ad95324dc042 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -1371,7 +1371,14 @@ static void bnx2x_update_pfc_xmac(struct link_params *params,
                pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
                        XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
                        XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
-                        XMAC_PFC_CTRL_HI_REG_TX_PFC_EN;
+                        XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
+                        XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
+                /* Write pause and PFC registers */
+                REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
+                REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
+                REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
+                pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
        }
        /* Write pause and PFC registers */
@@ -3648,6 +3655,33 @@ static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
        if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
                bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
                bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
+        } else if (CHIP_IS_E3(bp) &&
+                SINGLE_MEDIA_DIRECT(params)) {
+                u8 lane = bnx2x_get_warpcore_lane(phy, params);
+                u16 gp_status, gp_mask;
+                bnx2x_cl45_read(bp, phy,
+                                MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
+                                &gp_status);
+                gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
+                           MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
+                        lane;
+                if ((gp_status & gp_mask) == gp_mask) {
+                        bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+                                        MDIO_AN_REG_ADV_PAUSE, &ld_pause);
+                        bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+                                        MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
+                } else {
+                        bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+                                        MDIO_AN_REG_CL37_FC_LD, &ld_pause);
+                        bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+                                        MDIO_AN_REG_CL37_FC_LP, &lp_pause);
+                        ld_pause = ((ld_pause &
+                                     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
+                                    << 3);
+                        lp_pause = ((lp_pause &
+                                     MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
+                                    << 3);
+                }
        } else {
                bnx2x_cl45_read(bp, phy,
                                MDIO_AN_DEVAD,
@@ -3698,7 +3732,23 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
        u16 val16 = 0, lane, bam37 = 0;
        struct bnx2x *bp = params->bp;
        DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
+        /* Set to default registers that may be overriden by 10G force */
+        bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+                         MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
+        bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+                         MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
+        bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+                         MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0);
+        bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+                        MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff);
+        bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+                        MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555);
+        bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
+                         MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0);
+        bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+                         MDIO_WC_REG_RX66_CONTROL, 0x7415);
+        bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
+                         MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190);
        /* Disable Autoneg: re-enable it after adv is done. */
        bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
                         MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
@@ -3944,13 +3994,13 @@ static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
        } else {
                misc1_val |= 0x9;
-                tap_val = ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
+                tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
-                           (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
+                           (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
-                           (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
+                           (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
                tx_driver_val =
-                      ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
+                      ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
                       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
-                       (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
+                       (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
        }
        bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
                         MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
@@ -4368,7 +4418,7 @@ static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
                switch (serdes_net_if) {
                case PORT_HW_CFG_NET_SERDES_IF_KR:
                        /* Enable KR Auto Neg */
-                        if (params->loopback_mode == LOOPBACK_NONE)
+                        if (params->loopback_mode != LOOPBACK_EXT)
                                bnx2x_warpcore_enable_AN_KR(phy, params, vars);
                        else {
                                DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
@@ -6166,12 +6216,14 @@ int bnx2x_set_led(struct link_params *params,
                tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
                if (params->phy[EXT_PHY1].type ==
-                          PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
+                        PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
-                        EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp & 0xfff1);
+                        tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
-                else {
+                                EMAC_LED_100MB_OVERRIDE |
-                        EMAC_WR(bp, EMAC_REG_EMAC_LED,
+                                EMAC_LED_10MB_OVERRIDE);
-                                (tmp | EMAC_LED_OVERRIDE));
+                else
-                }
+                        tmp |= EMAC_LED_OVERRIDE;
+                EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
                break;
        case LED_MODE_OPER:
@@ -6226,10 +6278,15 @@ int bnx2x_set_led(struct link_params *params,
                                       hw_led_mode);
                } else if ((params->phy[EXT_PHY1].type ==
                            PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
-                           (mode != LED_MODE_OPER)) {
+                           (mode == LED_MODE_ON)) {
                        REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
                        tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
-                        EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp | 0x3);
+                        EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
+                                EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
+                        /* Break here; otherwise, it'll disable the
+                         * intended override.
+                         */
+                        break;
                } else
                        REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
                               hw_led_mode);
@@ -6244,13 +6301,9 @@ int bnx2x_set_led(struct link_params *params,
                               LED_BLINK_RATE_VAL_E1X_E2);
                REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
                       port*4, 1);
-                if ((params->phy[EXT_PHY1].type !=
+                tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
-                     PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
+                EMAC_WR(bp, EMAC_REG_EMAC_LED,
-                    (mode != LED_MODE_OPER)) {
+                        (tmp & (~EMAC_LED_OVERRIDE)));
-                        tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
-                        EMAC_WR(bp, EMAC_REG_EMAC_LED,
-                                (tmp & (~EMAC_LED_OVERRIDE)));
-                }
                if (CHIP_IS_E1(bp) &&
                    ((speed == SPEED_2500) ||
@@ -6843,6 +6896,12 @@ int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
                          SINGLE_MEDIA_DIRECT(params)) &&
                         (phy_vars[active_external_phy].fault_detected == 0));
+        /* Update the PFC configuration in case it was changed */
+        if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
+                vars->link_status |= LINK_STATUS_PFC_ENABLED;
+        else
+                vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
        if (vars->link_up)
                rc = bnx2x_update_link_up(params, vars, link_10g_plus);
        else
@@ -8030,7 +8089,9 @@ static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
        netdev_err(bp->dev,  "Warning: Unqualified SFP+ module detected,"
                              " Port %d from %s part number %s\n",
                         params->port, vendor_name, vendor_pn);
-        phy->flags |= FLAGS_SFP_NOT_APPROVED;
+        if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
+            PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
+                phy->flags |= FLAGS_SFP_NOT_APPROVED;
        return -EINVAL;
 }
@@ -9090,6 +9151,12 @@ static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
                tmp2 &= 0xFFEF;
                bnx2x_cl45_write(bp, phy,
                        MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
+                bnx2x_cl45_read(bp, phy,
+                                MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
+                                &tmp2);
+                bnx2x_cl45_write(bp, phy,
+                                 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
+                                 (tmp2 & 0x7fff));
        }
        return 0;
@@ -9270,12 +9337,11 @@ static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
                                 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
                                 ((1<<5) | (1<<2)));
        }
-        DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
-        bnx2x_8727_specific_func(phy, params, ENABLE_TX);
+        if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
-        /* If transmitter is disabled, ignore false link up indication */
+                DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
-        bnx2x_cl45_read(bp, phy,
+                bnx2x_sfp_set_transmitter(params, phy, 1);
-                        MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
+        } else {
-        if (val1 & (1<<15)) {
                DP(NETIF_MSG_LINK, "Tx is disabled\n");
                return 0;
        }
@@ -9369,8 +9435,7 @@ static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
        if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
                bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
-                bnx2x_save_spirom_version(bp, port,
+                bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
-                                ((fw_ver1 & 0xf000)>>5) | (fw_ver1 & 0x7f),
                                phy->ver_addr);
        } else {
                /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
@@ -9793,6 +9858,15 @@ static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
                                other_shmem_base_addr));
        u32 shmem_base_path[2];
+        /* Work around for 84833 LED failure inside RESET status */
+        bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+                MDIO_AN_REG_8481_LEGACY_MII_CTRL,
+                MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
+        bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
+                MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
+                MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
        shmem_base_path[0] = params->shmem_base;
        shmem_base_path[1] = other_shmem_base_addr;
@@ -10103,7 +10177,7 @@ static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
        u8 port;
        u16 val16;
-        if (!(CHIP_IS_E1(bp)))
+        if (!(CHIP_IS_E1x(bp)))
                port = BP_PATH(bp);
        else
                port = params->port;
@@ -10130,7 +10204,7 @@ static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
        u16 val;
        u8 port;
-        if (!(CHIP_IS_E1(bp)))
+        if (!(CHIP_IS_E1x(bp)))
                port = BP_PATH(bp);
        else
                port = params->port;
@@ -12049,6 +12123,9 @@ int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
        bnx2x_emac_init(params, vars);
+        if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
+                vars->link_status |= LINK_STATUS_PFC_ENABLED;
        if (params->num_phys == 0) {
                DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
                return -EINVAL;
@@ -12128,10 +12205,10 @@ int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
         * Hold it as vars low
         */
         /* clear link led */
+        bnx2x_set_mdio_clk(bp, params->chip_id, port);
        bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
        if (reset_ext_phy) {
-                bnx2x_set_mdio_clk(bp, params->chip_id, port);
                for (phy_index = EXT_PHY1; phy_index < params->num_phys;
                      phy_index++) {
                        if (params->phy[phy_index].link_reset) {
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
index ab0a250f95fa..c25803b9c0ca 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
@@ -5354,6 +5354,7 @@
 #define XMAC_CTRL_REG_TX_EN                                      (0x1<<0)
 #define XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN                          (0x1<<18)
 #define XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN                          (0x1<<17)
+#define XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON                       (0x1<<1)
 #define XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN                      (0x1<<0)
 #define XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN                        (0x1<<3)
 #define XMAC_PFC_CTRL_HI_REG_RX_PFC_EN                           (0x1<<4)
@@ -6820,10 +6821,13 @@ Theotherbitsarereservedandshouldbezero*/
 #define MDIO_AN_REG_8481_10GBASE_T_AN_CTRL      0x0020
 #define MDIO_AN_REG_8481_LEGACY_MII_CTRL        0xffe0
+#define MDIO_AN_REG_8481_MII_CTRL_FORCE_1G      0x40
 #define MDIO_AN_REG_8481_LEGACY_MII_STATUS      0xffe1
 #define MDIO_AN_REG_8481_LEGACY_AN_ADV          0xffe4
 #define MDIO_AN_REG_8481_LEGACY_AN_EXPANSION    0xffe6
 #define MDIO_AN_REG_8481_1000T_CTRL             0xffe9
+#define MDIO_AN_REG_8481_1G_100T_EXT_CTRL       0xfff0
+#define MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF        0x0008
 #define MDIO_AN_REG_8481_EXPANSION_REG_RD_RW    0xfff5
 #define MDIO_AN_REG_8481_EXPANSION_REG_ACCESS   0xfff7
 #define MDIO_AN_REG_8481_AUX_CTRL               0xfff8
@@ -6943,6 +6947,10 @@ Theotherbitsarereservedandshouldbezero*/
 #define MDIO_WC_REG_GP2_STATUS_GP_2_2                   0x81d2
 #define MDIO_WC_REG_GP2_STATUS_GP_2_3                   0x81d3
 #define MDIO_WC_REG_GP2_STATUS_GP_2_4                   0x81d4
+#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL 0x1000
+#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CMPL 0x0100
+#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP 0x0010
+#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CAP 0x1
 #define MDIO_WC_REG_UC_INFO_B0_DEAD_TRAP                0x81EE
 #define MDIO_WC_REG_UC_INFO_B1_VERSION                  0x81F0
 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE            0x81F2
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 05ff076af06d..b126b98065a9 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2000,13 +2000,6 @@ static const struct ethtool_ops cxgb_ethtool_ops = {
 /*
 * debugfs support
 */
-static int mem_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
                        loff_t *ppos)
 {
@@ -2050,7 +2043,7 @@ static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
 static const struct file_operations mem_debugfs_fops = {
        .owner   = THIS_MODULE,
-        .open    = mem_open,
+        .open    = simple_open,
        .read    = mem_read,
        .llseek  = default_llseek,
 };
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index 86cdd4793992..b83897f76ee3 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -161,6 +161,12 @@ struct e1000_info;
 /* Time to wait before putting the device into D3 if there's no link (in ms). */
 #define LINK_TIMEOUT            100
+/*
+ * Count for polling __E1000_RESET condition every 10-20msec.
+ * Experimentation has shown the reset can take approximately 210msec.
+ */
+#define E1000_CHECK_RESET_COUNT         25
 #define DEFAULT_RDTR                    0
 #define DEFAULT_RADV                    8
 #define BURST_RDTR                      0x20
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 2c38a65ade87..19ab2154802c 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -1059,6 +1059,13 @@ static void e1000_print_hw_hang(struct work_struct *work)
                ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
                /* execute the writes immediately */
                e1e_flush();
+                /*
+                 * Due to rare timing issues, write to TIDV again to ensure
+                 * the write is successful
+                 */
+                ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
+                /* execute the writes immediately */
+                e1e_flush();
                adapter->tx_hang_recheck = true;
                return;
        }
@@ -3616,6 +3623,16 @@ static void e1000e_flush_descriptors(struct e1000_adapter *adapter)
        /* execute the writes immediately */
        e1e_flush();
+        /*
+         * due to rare timing issues, write to TIDV/RDTR again to ensure the
+         * write is successful
+         */
+        ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
+        ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
+        /* execute the writes immediately */
+        e1e_flush();
 }
 static void e1000e_update_stats(struct e1000_adapter *adapter);
@@ -3968,6 +3985,10 @@ static int e1000_close(struct net_device *netdev)
 {
        struct e1000_adapter *adapter = netdev_priv(netdev);
        struct pci_dev *pdev = adapter->pdev;
+        int count = E1000_CHECK_RESET_COUNT;
+        while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
+                usleep_range(10000, 20000);
        WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
@@ -5472,6 +5493,11 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,
        netif_device_detach(netdev);
        if (netif_running(netdev)) {
+                int count = E1000_CHECK_RESET_COUNT;
+                while (test_bit(__E1000_RESETTING, &adapter->state) && count--)
+                        usleep_range(10000, 20000);
                WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
                e1000e_down(adapter);
                e1000_free_irq(adapter);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
index dde65f951400..652e4b09546d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
@@ -44,62 +44,94 @@
 #define DCB_NO_HW_CHG   1  /* DCB configuration did not change */
 #define DCB_HW_CHG      2  /* DCB configuration changed, no reset */
-int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
+int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *scfg,
-                       struct ixgbe_dcb_config *dst_dcb_cfg, int tc_max)
+                       struct ixgbe_dcb_config *dcfg, int tc_max)
 {
-        struct tc_configuration *src_tc_cfg = NULL;
+        struct tc_configuration *src = NULL;
-        struct tc_configuration *dst_tc_cfg = NULL;
+        struct tc_configuration *dst = NULL;
-        int i;
+        int i, j;
+        int tx = DCB_TX_CONFIG;
+        int rx = DCB_RX_CONFIG;
+        int changes = 0;
-        if (!src_dcb_cfg || !dst_dcb_cfg)
+        if (!scfg || !dcfg)
-                return -EINVAL;
+                return changes;
        for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) {
-                src_tc_cfg = &src_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];
+                src = &scfg->tc_config[i - DCB_PG_ATTR_TC_0];
-                dst_tc_cfg = &dst_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];
+                dst = &dcfg->tc_config[i - DCB_PG_ATTR_TC_0];
-                dst_tc_cfg->path[DCB_TX_CONFIG].prio_type =
+                if (dst->path[tx].prio_type != src->path[tx].prio_type) {
-                                src_tc_cfg->path[DCB_TX_CONFIG].prio_type;
+                        dst->path[tx].prio_type = src->path[tx].prio_type;
+                        changes |= BIT_PG_TX;
+                }
-                dst_tc_cfg->path[DCB_TX_CONFIG].bwg_id =
+                if (dst->path[tx].bwg_id != src->path[tx].bwg_id) {
-                                src_tc_cfg->path[DCB_TX_CONFIG].bwg_id;
+                        dst->path[tx].bwg_id = src->path[tx].bwg_id;
+                        changes |= BIT_PG_TX;
+                }
-                dst_tc_cfg->path[DCB_TX_CONFIG].bwg_percent =
+                if (dst->path[tx].bwg_percent != src->path[tx].bwg_percent) {
-                                src_tc_cfg->path[DCB_TX_CONFIG].bwg_percent;
+                        dst->path[tx].bwg_percent = src->path[tx].bwg_percent;
+                        changes |= BIT_PG_TX;
+                }
-                dst_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap =
+                if (dst->path[tx].up_to_tc_bitmap !=
-                                src_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap;
+                                src->path[tx].up_to_tc_bitmap) {
+                        dst->path[tx].up_to_tc_bitmap =
+                                src->path[tx].up_to_tc_bitmap;
+                        changes |= (BIT_PG_TX | BIT_PFC | BIT_APP_UPCHG);
+                }
-                dst_tc_cfg->path[DCB_RX_CONFIG].prio_type =
+                if (dst->path[rx].prio_type != src->path[rx].prio_type) {
-                                src_tc_cfg->path[DCB_RX_CONFIG].prio_type;
+                        dst->path[rx].prio_type = src->path[rx].prio_type;
+                        changes |= BIT_PG_RX;
+                }
-                dst_tc_cfg->path[DCB_RX_CONFIG].bwg_id =
+                if (dst->path[rx].bwg_id != src->path[rx].bwg_id) {
-                                src_tc_cfg->path[DCB_RX_CONFIG].bwg_id;
+                        dst->path[rx].bwg_id = src->path[rx].bwg_id;
+                        changes |= BIT_PG_RX;
+                }
-                dst_tc_cfg->path[DCB_RX_CONFIG].bwg_percent =
+                if (dst->path[rx].bwg_percent != src->path[rx].bwg_percent) {
-                                src_tc_cfg->path[DCB_RX_CONFIG].bwg_percent;
+                        dst->path[rx].bwg_percent = src->path[rx].bwg_percent;
+                        changes |= BIT_PG_RX;
+                }
-                dst_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap =
+                if (dst->path[rx].up_to_tc_bitmap !=
-                                src_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap;
+                                src->path[rx].up_to_tc_bitmap) {
+                        dst->path[rx].up_to_tc_bitmap =
+                                src->path[rx].up_to_tc_bitmap;
+                        changes |= (BIT_PG_RX | BIT_PFC | BIT_APP_UPCHG);
+                }
        }
        for (i = DCB_PG_ATTR_BW_ID_0; i < DCB_PG_ATTR_BW_ID_MAX; i++) {
-                dst_dcb_cfg->bw_percentage[DCB_TX_CONFIG]
+                j = i - DCB_PG_ATTR_BW_ID_0;
-                        [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
+                if (dcfg->bw_percentage[tx][j] != scfg->bw_percentage[tx][j]) {
-                                [DCB_TX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
+                        dcfg->bw_percentage[tx][j] = scfg->bw_percentage[tx][j];
-                dst_dcb_cfg->bw_percentage[DCB_RX_CONFIG]
+                        changes |= BIT_PG_TX;
-                        [i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
+                }
-                                [DCB_RX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
+                if (dcfg->bw_percentage[rx][j] != scfg->bw_percentage[rx][j]) {
+                        dcfg->bw_percentage[rx][j] = scfg->bw_percentage[rx][j];
+                        changes |= BIT_PG_RX;
+                }
        }
        for (i = DCB_PFC_UP_ATTR_0; i < DCB_PFC_UP_ATTR_MAX; i++) {
-                dst_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc =
+                j = i - DCB_PFC_UP_ATTR_0;
-                        src_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc;
+                if (dcfg->tc_config[j].dcb_pfc != scfg->tc_config[j].dcb_pfc) {
+                        dcfg->tc_config[j].dcb_pfc = scfg->tc_config[j].dcb_pfc;
+                        changes |= BIT_PFC;
+                }
        }
-        dst_dcb_cfg->pfc_mode_enable = src_dcb_cfg->pfc_mode_enable;
+        if (dcfg->pfc_mode_enable != scfg->pfc_mode_enable) {
+                dcfg->pfc_mode_enable = scfg->pfc_mode_enable;
+                changes |= BIT_PFC;
+        }
-        return 0;
+        return changes;
 }
 static u8 ixgbe_dcbnl_get_state(struct net_device *netdev)
@@ -179,20 +211,6 @@ static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc,
        if (up_map != DCB_ATTR_VALUE_UNDEFINED)
                adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap =
                        up_map;
-        if ((adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type !=
-             adapter->dcb_cfg.tc_config[tc].path[0].prio_type) ||
-            (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id !=
-             adapter->dcb_cfg.tc_config[tc].path[0].bwg_id) ||
-            (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent !=
-             adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) ||
-            (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap !=
-             adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap))
-                adapter->dcb_set_bitmap |= BIT_PG_TX;
-        if (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap !=
-             adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap)
-                adapter->dcb_set_bitmap |= BIT_PFC | BIT_APP_UPCHG;
 }
 static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
@@ -201,10 +219,6 @@ static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
        struct ixgbe_adapter *adapter = netdev_priv(netdev);
        adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct;
-        if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] !=
-            adapter->dcb_cfg.bw_percentage[0][bwg_id])
-                adapter->dcb_set_bitmap |= BIT_PG_TX;
 }
 static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc,
@@ -223,20 +237,6 @@ static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc,
        if (up_map != DCB_ATTR_VALUE_UNDEFINED)
                adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap =
                        up_map;
-        if ((adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type !=
-             adapter->dcb_cfg.tc_config[tc].path[1].prio_type) ||
-            (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id !=
-             adapter->dcb_cfg.tc_config[tc].path[1].bwg_id) ||
-            (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent !=
-             adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) ||
-            (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap !=
-             adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap))
-                adapter->dcb_set_bitmap |= BIT_PG_RX;
-        if (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap !=
-             adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap)
-                adapter->dcb_set_bitmap |= BIT_PFC;
 }
 static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
@@ -245,10 +245,6 @@ static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
        struct ixgbe_adapter *adapter = netdev_priv(netdev);
        adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct;
-        if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] !=
-            adapter->dcb_cfg.bw_percentage[1][bwg_id])
-                adapter->dcb_set_bitmap |= BIT_PG_RX;
 }
 static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc,
@@ -298,10 +294,8 @@ static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority,
        adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting;
        if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc !=
-            adapter->dcb_cfg.tc_config[priority].dcb_pfc) {
+            adapter->dcb_cfg.tc_config[priority].dcb_pfc)
-                adapter->dcb_set_bitmap |= BIT_PFC;
                adapter->temp_dcb_cfg.pfc_mode_enable = true;
-        }
 }
 static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
@@ -336,7 +330,8 @@ static void ixgbe_dcbnl_devreset(struct net_device *dev)
 static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
 {
        struct ixgbe_adapter *adapter = netdev_priv(netdev);
-        int ret, i;
+        int ret = DCB_NO_HW_CHG;
+        int i;
 #ifdef IXGBE_FCOE
        struct dcb_app app = {
                              .selector = DCB_APP_IDTYPE_ETHTYPE,
@@ -355,12 +350,13 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
        /* Fail command if not in CEE mode */
        if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE))
-                return 1;
+                return ret;
-        ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg,
+        adapter->dcb_set_bitmap |= ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg,
-                                 MAX_TRAFFIC_CLASS);
+                                                      &adapter->dcb_cfg,
-        if (ret)
+                                                      MAX_TRAFFIC_CLASS);
-                return DCB_NO_HW_CHG;
+        if (!adapter->dcb_set_bitmap)
+                return ret;
        if (adapter->dcb_cfg.pfc_mode_enable) {
                switch (adapter->hw.mac.type) {
@@ -420,6 +416,8 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
                for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
                        netdev_set_prio_tc_map(netdev, i, prio_tc[i]);
+                ret = DCB_HW_CHG_RST;
        }
        if (adapter->dcb_set_bitmap & BIT_PFC) {
@@ -430,7 +428,8 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
                                     DCB_TX_CONFIG, prio_tc);
                ixgbe_dcb_unpack_pfc(&adapter->dcb_cfg, &pfc_en);
                ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc_en, prio_tc);
-                ret = DCB_HW_CHG;
+                if (ret != DCB_HW_CHG_RST)
+                        ret = DCB_HW_CHG;
        }
        if (adapter->dcb_cfg.pfc_mode_enable)
@@ -531,9 +530,6 @@ static void ixgbe_dcbnl_setpfcstate(struct net_device *netdev, u8 state)
        struct ixgbe_adapter *adapter = netdev_priv(netdev);
        adapter->temp_dcb_cfg.pfc_mode_enable = state;
-        if (adapter->temp_dcb_cfg.pfc_mode_enable !=
-                adapter->dcb_cfg.pfc_mode_enable)
-                adapter->dcb_set_bitmap |= BIT_PFC;
 }
 /**
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index b806d9b4defb..c9b504e2dfc3 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -2469,6 +2469,17 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu)
        return err;
 }
+static inline bool needs_copy(const struct rx_ring_info *re,
+                              unsigned length)
+{
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+        /* Some architectures need the IP header to be aligned */
+        if (!IS_ALIGNED(re->data_addr + ETH_HLEN, sizeof(u32)))
+                return true;
+#endif
+        return length < copybreak;
+}
 /* For small just reuse existing skb for next receive */
 static struct sk_buff *receive_copy(struct sky2_port *sky2,
                                    const struct rx_ring_info *re,
@@ -2599,7 +2610,7 @@ static struct sk_buff *sky2_receive(struct net_device *dev,
                goto error;
 okay:
-        if (length < copybreak)
+        if (needs_copy(re, length))
                skb = receive_copy(sky2, re, length);
        else
                skb = receive_new(sky2, re, length);
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 9e2b911a1230..d69fee41f24a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -83,8 +83,9 @@
 #define MLX4_EN_WATCHDOG_TIMEOUT        (15 * HZ)
-#define MLX4_EN_ALLOC_ORDER     2
+/* Use the maximum between 16384 and a single page */
-#define MLX4_EN_ALLOC_SIZE      (PAGE_SIZE << MLX4_EN_ALLOC_ORDER)
+#define MLX4_EN_ALLOC_SIZE      PAGE_ALIGN(16384)
+#define MLX4_EN_ALLOC_ORDER     get_order(MLX4_EN_ALLOC_SIZE)
 #define MLX4_EN_MAX_LRO_DESCRIPTORS     32
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 7b23554f80b6..f54509377efa 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5810,7 +5810,10 @@ static void __rtl8169_resume(struct net_device *dev)
        rtl_pll_power_up(tp);
+        rtl_lock_work(tp);
+        napi_enable(&tp->napi);
        set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
+        rtl_unlock_work(tp);
        rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
 }
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index e85ffbd54830..48d56da62f08 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1737,10 +1737,12 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
        struct mac_device_info *mac;
        /* Identify the MAC HW device */
-        if (priv->plat->has_gmac)
+        if (priv->plat->has_gmac) {
+                priv->dev->priv_flags |= IFF_UNICAST_FLT;
                mac = dwmac1000_setup(priv->ioaddr);
-        else
+        } else {
                mac = dwmac100_setup(priv->ioaddr);
+        }
        if (!mac)
                return -ENOMEM;
diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c
index 261356c2dc99..3d501ec7fad7 100644
--- a/drivers/net/ethernet/tile/tilepro.c
+++ b/drivers/net/ethernet/tile/tilepro.c
@@ -342,6 +342,21 @@ inline int __netio_fastio1(u32 fastio_index, u32 arg0)
 }
+static void tile_net_return_credit(struct tile_net_cpu *info)
+{
+        struct tile_netio_queue *queue = &info->queue;
+        netio_queue_user_impl_t *qup = &queue->__user_part;
+        /* Return four credits after every fourth packet. */
+        if (--qup->__receive_credit_remaining == 0) {
+                u32 interval = qup->__receive_credit_interval;
+                qup->__receive_credit_remaining = interval;
+                __netio_fastio_return_credits(qup->__fastio_index, interval);
+        }
+}
 /*
 * Provide a linux buffer to LIPP.
 */
@@ -433,7 +448,7 @@ static bool tile_net_provide_needed_buffer(struct tile_net_cpu *info,
        struct sk_buff **skb_ptr;
        /* Request 96 extra bytes for alignment purposes. */
-        skb = netdev_alloc_skb(info->napi->dev, len + padding);
+        skb = netdev_alloc_skb(info->napi.dev, len + padding);
        if (skb == NULL)
                return false;
@@ -864,19 +879,11 @@ static bool tile_net_poll_aux(struct tile_net_cpu *info, int index)
                stats->rx_packets++;
                stats->rx_bytes += len;
-                if (small)
-                        info->num_needed_small_buffers++;
-                else
-                        info->num_needed_large_buffers++;
        }
-        /* Return four credits after every fourth packet. */
+        /* ISSUE: It would be nice to defer this until the packet has */
-        if (--qup->__receive_credit_remaining == 0) {
+        /* actually been processed. */
-                u32 interval = qup->__receive_credit_interval;
+        tile_net_return_credit(info);
-                qup->__receive_credit_remaining = interval;
-                __netio_fastio_return_credits(qup->__fastio_index, interval);
-        }
        /* Consume this packet. */
        qup->__packet_receive_read = index2;
@@ -1543,7 +1550,7 @@ static int tile_net_drain_lipp_buffers(struct tile_net_priv *priv)
        /* Drain all the LIPP buffers. */
        while (true) {
-                int buffer;
+                unsigned int buffer;
                /* NOTE: This should never fail. */
                if (hv_dev_pread(priv->hv_devhdl, 0, (HV_VirtAddr)&buffer,
@@ -1707,7 +1714,7 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags,
                if (!hash_default) {
                        void *va = pfn_to_kaddr(pfn) + f->page_offset;
                        BUG_ON(PageHighMem(skb_frag_page(f)));
-                        finv_buffer_remote(va, f->size, 0);
+                        finv_buffer_remote(va, skb_frag_size(f), 0);
                }
                cpa = ((phys_addr_t)pfn << PAGE_SHIFT) + f->page_offset;
@@ -1735,8 +1742,8 @@ static unsigned int tile_net_tx_frags(lepp_frag_t *frags,
 * Sometimes, if "sendfile()" requires copying, we will be called with
 * "data" containing the header and payload, with "frags" being empty.
 *
- * In theory, "sh->nr_frags" could be 3, but in practice, it seems
+ * Sometimes, for example when using NFS over TCP, a single segment can
- * that this will never actually happen.
+ * span 3 fragments, which must be handled carefully in LEPP.
 *
 * See "emulate_large_send_offload()" for some reference code, which
 * does not handle checksumming.
@@ -1844,10 +1851,8 @@ static int tile_net_tx_tso(struct sk_buff *skb, struct net_device *dev)
        spin_lock_irqsave(&priv->eq_lock, irqflags);
-        /*
+        /* Handle completions if needed to make room. */
-         * Handle completions if needed to make room.
+        /* NOTE: Return NETDEV_TX_BUSY if there is still no room. */
-         * HACK: Spin until there is sufficient room.
-         */
        if (lepp_num_free_comp_slots(eq) == 0) {
                nolds = tile_net_lepp_grab_comps(eq, olds, wanted, 0);
                if (nolds == 0) {
@@ -1861,6 +1866,7 @@ busy:
        cmd_tail = eq->cmd_tail;
        /* Prepare to advance, detecting full queue. */
+        /* NOTE: Return NETDEV_TX_BUSY if the queue is full. */
        cmd_next = cmd_tail + cmd_size;
        if (cmd_tail < cmd_head && cmd_next >= cmd_head)
                goto busy;
@@ -2023,10 +2029,8 @@ static int tile_net_tx(struct sk_buff *skb, struct net_device *dev)
        spin_lock_irqsave(&priv->eq_lock, irqflags);
-        /*
+        /* Handle completions if needed to make room. */
-         * Handle completions if needed to make room.
+        /* NOTE: Return NETDEV_TX_BUSY if there is still no room. */
-         * HACK: Spin until there is sufficient room.
-         */
        if (lepp_num_free_comp_slots(eq) == 0) {
                nolds = tile_net_lepp_grab_comps(eq, olds, wanted, 0);
                if (nolds == 0) {
@@ -2040,6 +2044,7 @@ busy:
        cmd_tail = eq->cmd_tail;
        /* Copy the commands, or fail. */
+        /* NOTE: Return NETDEV_TX_BUSY if the queue is full. */
        for (i = 0; i < num_frags; i++) {
                /* Prepare to advance, detecting full queue. */
@@ -2261,6 +2266,23 @@ static int tile_net_get_mac(struct net_device *dev)
        return 0;
 }
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+static void tile_net_netpoll(struct net_device *dev)
+{
+        struct tile_net_priv *priv = netdev_priv(dev);
+        disable_percpu_irq(priv->intr_id);
+        tile_net_handle_ingress_interrupt(priv->intr_id, dev);
+        enable_percpu_irq(priv->intr_id, 0);
+}
+#endif
 static const struct net_device_ops tile_net_ops = {
        .ndo_open = tile_net_open,
        .ndo_stop = tile_net_stop,
@@ -2269,7 +2291,10 @@ static const struct net_device_ops tile_net_ops = {
        .ndo_get_stats = tile_net_get_stats,
        .ndo_change_mtu = tile_net_change_mtu,
        .ndo_tx_timeout = tile_net_tx_timeout,
-        .ndo_set_mac_address = tile_net_set_mac_address
+        .ndo_set_mac_address = tile_net_set_mac_address,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+        .ndo_poll_controller = tile_net_netpoll,
+#endif
 };
@@ -2409,7 +2434,7 @@ static void tile_net_cleanup(void)
 */
 static int tile_net_init_module(void)
 {
-        pr_info("Tilera IPP Net Driver\n");
+        pr_info("Tilera Network Driver\n");
        tile_net_devs[0] = tile_net_dev_init("xgbe0");
        tile_net_devs[1] = tile_net_dev_init("xgbe1");
diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c
index 0856e1b7a849..f08c85acf761 100644
--- a/drivers/net/phy/icplus.c
+++ b/drivers/net/phy/icplus.c
@@ -162,7 +162,8 @@ static int ip101a_g_config_init(struct phy_device *phydev)
        /* Enable Auto Power Saving mode */
        c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS);
        c |= IP101A_G_APS_ON;
-        return c;
+        return phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c);
 }
 static int ip175c_read_status(struct phy_device *phydev)
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 159da2905fe9..33f8c51968b6 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -235,7 +235,7 @@ struct ppp_net {
 /* Prototypes. */
 static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf,
                        struct file *file, unsigned int cmd, unsigned long arg);
-static void ppp_xmit_process(struct ppp *ppp);
+static int ppp_xmit_process(struct ppp *ppp);
 static void ppp_send_frame(struct ppp *ppp, struct sk_buff *skb);
 static void ppp_push(struct ppp *ppp);
 static void ppp_channel_push(struct channel *pch);
@@ -968,9 +968,9 @@ ppp_start_xmit(struct sk_buff *skb, struct net_device *dev)
        proto = npindex_to_proto[npi];
        put_unaligned_be16(proto, pp);
-        netif_stop_queue(dev);
        skb_queue_tail(&ppp->file.xq, skb);
-        ppp_xmit_process(ppp);
+        if (!ppp_xmit_process(ppp))
+                netif_stop_queue(dev);
        return NETDEV_TX_OK;
 outf:
@@ -1048,10 +1048,11 @@ static void ppp_setup(struct net_device *dev)
 * Called to do any work queued up on the transmit side
 * that can now be done.
 */
-static void
+static int
 ppp_xmit_process(struct ppp *ppp)
 {
        struct sk_buff *skb;
+        int ret = 0;
        ppp_xmit_lock(ppp);
        if (!ppp->closing) {
@@ -1061,10 +1062,13 @@ ppp_xmit_process(struct ppp *ppp)
                        ppp_send_frame(ppp, skb);
                /* If there's no work left to do, tell the core net
                   code that we can accept some more. */
-                if (!ppp->xmit_pending && !skb_peek(&ppp->file.xq))
+                if (!ppp->xmit_pending && !skb_peek(&ppp->file.xq)) {
                        netif_wake_queue(ppp->dev);
+                        ret = 1;
+                }
        }
        ppp_xmit_unlock(ppp);
+        return ret;
 }
 static inline struct sk_buff *
diff --git a/drivers/net/wimax/i2400m/debugfs.c b/drivers/net/wimax/i2400m/debugfs.c
index 129ba36bd04d..4b66ab1d0e5c 100644
--- a/drivers/net/wimax/i2400m/debugfs.c
+++ b/drivers/net/wimax/i2400m/debugfs.c
@@ -53,17 +53,6 @@ struct dentry *debugfs_create_netdev_queue_stopped(
                                   &fops_netdev_queue_stopped);
 }
-/*
- * inode->i_private has the @data argument to debugfs_create_file()
- */
-static
-int i2400m_stats_open(struct inode *inode, struct file *filp)
-{
-        filp->private_data = inode->i_private;
-        return 0;
-}
 /*
 * We don't allow partial reads of this file, as then the reader would
 * get weirdly confused data as it is updated.
@@ -117,7 +106,7 @@ ssize_t i2400m_rx_stats_write(struct file *filp, const char __user *buffer,
 static
 const struct file_operations i2400m_rx_stats_fops = {
        .owner =        THIS_MODULE,
-        .open =         i2400m_stats_open,
+        .open =         simple_open,
        .read =         i2400m_rx_stats_read,
        .write =        i2400m_rx_stats_write,
        .llseek =       default_llseek,
@@ -170,7 +159,7 @@ ssize_t i2400m_tx_stats_write(struct file *filp, const char __user *buffer,
 static
 const struct file_operations i2400m_tx_stats_fops = {
        .owner =        THIS_MODULE,
-        .open =         i2400m_stats_open,
+        .open =         simple_open,
        .read =         i2400m_tx_stats_read,
        .write =        i2400m_tx_stats_write,
        .llseek =       default_llseek,
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index 8c5ce8b0c734..e5e8f45d86ac 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -71,13 +71,6 @@ static unsigned int ath5k_debug;
 module_param_named(debug, ath5k_debug, uint, 0);
-static int ath5k_debugfs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 /* debugfs: registers */
 struct reg {
@@ -265,7 +258,7 @@ static ssize_t write_file_beacon(struct file *file,
 static const struct file_operations fops_beacon = {
        .read = read_file_beacon,
        .write = write_file_beacon,
-        .open = ath5k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -285,7 +278,7 @@ static ssize_t write_file_reset(struct file *file,
 static const struct file_operations fops_reset = {
        .write = write_file_reset,
-        .open = ath5k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = noop_llseek,
 };
@@ -365,7 +358,7 @@ static ssize_t write_file_debug(struct file *file,
 static const struct file_operations fops_debug = {
        .read = read_file_debug,
        .write = write_file_debug,
-        .open = ath5k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -477,7 +470,7 @@ static ssize_t write_file_antenna(struct file *file,
 static const struct file_operations fops_antenna = {
        .read = read_file_antenna,
        .write = write_file_antenna,
-        .open = ath5k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -532,7 +525,7 @@ static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 static const struct file_operations fops_misc = {
        .read = read_file_misc,
-        .open = ath5k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
 };
@@ -647,7 +640,7 @@ static ssize_t write_file_frameerrors(struct file *file,
 static const struct file_operations fops_frameerrors = {
        .read = read_file_frameerrors,
        .write = write_file_frameerrors,
-        .open = ath5k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -810,7 +803,7 @@ static ssize_t write_file_ani(struct file *file,
 static const struct file_operations fops_ani = {
        .read = read_file_ani,
        .write = write_file_ani,
-        .open = ath5k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -881,7 +874,7 @@ static ssize_t write_file_queue(struct file *file,
 static const struct file_operations fops_queue = {
        .read = read_file_queue,
        .write = write_file_queue,
-        .open = ath5k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c
index 552adb3f80d0..d01403a263ff 100644
--- a/drivers/net/wireless/ath/ath6kl/debug.c
+++ b/drivers/net/wireless/ath/ath6kl/debug.c
@@ -217,12 +217,6 @@ void dump_cred_dist_stats(struct htc_target *target)
                   target->credit_info->cur_free_credits);
 }
-static int ath6kl_debugfs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 void ath6kl_debug_war(struct ath6kl *ar, enum ath6kl_war war)
 {
        switch (war) {
@@ -263,7 +257,7 @@ static ssize_t read_file_war_stats(struct file *file, char __user *user_buf,
 static const struct file_operations fops_war_stats = {
        .read = read_file_war_stats,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -488,7 +482,7 @@ static ssize_t ath6kl_fwlog_mask_write(struct file *file,
 }
 static const struct file_operations fops_fwlog_mask = {
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .read = ath6kl_fwlog_mask_read,
        .write = ath6kl_fwlog_mask_write,
        .owner = THIS_MODULE,
@@ -634,7 +628,7 @@ static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,
 static const struct file_operations fops_tgt_stats = {
        .read = read_file_tgt_stats,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -699,7 +693,7 @@ static ssize_t read_file_credit_dist_stats(struct file *file,
 static const struct file_operations fops_credit_dist_stats = {
        .read = read_file_credit_dist_stats,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -802,7 +796,7 @@ static ssize_t ath6kl_endpoint_stats_write(struct file *file,
 }
 static const struct file_operations fops_endpoint_stats = {
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .read = ath6kl_endpoint_stats_read,
        .write = ath6kl_endpoint_stats_write,
        .owner = THIS_MODULE,
@@ -875,7 +869,7 @@ static ssize_t ath6kl_regread_write(struct file *file,
 static const struct file_operations fops_diag_reg_read = {
        .read = ath6kl_regread_read,
        .write = ath6kl_regread_write,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -999,7 +993,7 @@ static ssize_t ath6kl_lrssi_roam_read(struct file *file,
 static const struct file_operations fops_lrssi_roam_threshold = {
        .read = ath6kl_lrssi_roam_read,
        .write = ath6kl_lrssi_roam_write,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1061,7 +1055,7 @@ static ssize_t ath6kl_regwrite_write(struct file *file,
 static const struct file_operations fops_diag_reg_write = {
        .read = ath6kl_regwrite_read,
        .write = ath6kl_regwrite_write,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1166,7 +1160,7 @@ static ssize_t ath6kl_roam_table_read(struct file *file, char __user *user_buf,
 static const struct file_operations fops_roam_table = {
        .read = ath6kl_roam_table_read,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1204,7 +1198,7 @@ static ssize_t ath6kl_force_roam_write(struct file *file,
 static const struct file_operations fops_force_roam = {
        .write = ath6kl_force_roam_write,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1244,7 +1238,7 @@ static ssize_t ath6kl_roam_mode_write(struct file *file,
 static const struct file_operations fops_roam_mode = {
        .write = ath6kl_roam_mode_write,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1286,7 +1280,7 @@ static ssize_t ath6kl_keepalive_write(struct file *file,
 }
 static const struct file_operations fops_keepalive = {
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .read = ath6kl_keepalive_read,
        .write = ath6kl_keepalive_write,
        .owner = THIS_MODULE,
@@ -1331,7 +1325,7 @@ static ssize_t ath6kl_disconnect_timeout_write(struct file *file,
 }
 static const struct file_operations fops_disconnect_timeout = {
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .read = ath6kl_disconnect_timeout_read,
        .write = ath6kl_disconnect_timeout_write,
        .owner = THIS_MODULE,
@@ -1512,7 +1506,7 @@ static ssize_t ath6kl_create_qos_write(struct file *file,
 static const struct file_operations fops_create_qos = {
        .write = ath6kl_create_qos_write,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1560,7 +1554,7 @@ static ssize_t ath6kl_delete_qos_write(struct file *file,
 static const struct file_operations fops_delete_qos = {
        .write = ath6kl_delete_qos_write,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1593,7 +1587,7 @@ static ssize_t ath6kl_bgscan_int_write(struct file *file,
 static const struct file_operations fops_bgscan_int = {
        .write = ath6kl_bgscan_int_write,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1651,7 +1645,7 @@ static ssize_t ath6kl_listen_int_read(struct file *file,
 static const struct file_operations fops_listen_int = {
        .read = ath6kl_listen_int_read,
        .write = ath6kl_listen_int_write,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1711,7 +1705,7 @@ static ssize_t ath6kl_power_params_write(struct file *file,
 static const struct file_operations fops_power_params = {
        .write = ath6kl_power_params_write,
-        .open = ath6kl_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 35d1c8e91d1c..ff47b32ecaf4 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -26,11 +26,6 @@
 #define REG_READ_D(_ah, _reg) \
        ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
-static int ath9k_debugfs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
                                      size_t count, loff_t *ppos)
@@ -83,7 +78,7 @@ static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
 static const struct file_operations fops_debug = {
        .read = read_file_debug,
        .write = write_file_debug,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -129,7 +124,7 @@ static ssize_t write_file_tx_chainmask(struct file *file, const char __user *use
 static const struct file_operations fops_tx_chainmask = {
        .read = read_file_tx_chainmask,
        .write = write_file_tx_chainmask,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -172,7 +167,7 @@ static ssize_t write_file_rx_chainmask(struct file *file, const char __user *use
 static const struct file_operations fops_rx_chainmask = {
        .read = read_file_rx_chainmask,
        .write = write_file_rx_chainmask,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -223,7 +218,7 @@ static ssize_t write_file_disable_ani(struct file *file,
 static const struct file_operations fops_disable_ani = {
        .read = read_file_disable_ani,
        .write = write_file_disable_ani,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -324,7 +319,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 static const struct file_operations fops_dma = {
        .read = read_file_dma,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -446,7 +441,7 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 static const struct file_operations fops_interrupt = {
        .read = read_file_interrupt,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -852,28 +847,28 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 static const struct file_operations fops_xmit = {
        .read = read_file_xmit,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
 static const struct file_operations fops_stations = {
        .read = read_file_stations,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
 static const struct file_operations fops_misc = {
        .read = read_file_misc,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
 static const struct file_operations fops_reset = {
        .read = read_file_reset,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1016,7 +1011,7 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 static const struct file_operations fops_recv = {
        .read = read_file_recv,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1055,7 +1050,7 @@ static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
 static const struct file_operations fops_regidx = {
        .read = read_file_regidx,
        .write = write_file_regidx,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1102,7 +1097,7 @@ static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
 static const struct file_operations fops_regval = {
        .read = read_file_regval,
        .write = write_file_regval,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1191,7 +1186,7 @@ static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
 static const struct file_operations fops_dump_nfcal = {
        .read = read_file_dump_nfcal,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1219,7 +1214,7 @@ static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
 static const struct file_operations fops_base_eeprom = {
        .read = read_file_base_eeprom,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -1247,7 +1242,7 @@ static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
 static const struct file_operations fops_modal_eeprom = {
        .read = read_file_modal_eeprom,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
diff --git a/drivers/net/wireless/ath/ath9k/dfs_debug.c b/drivers/net/wireless/ath/ath9k/dfs_debug.c
index 106d031d834a..4364c103ed33 100644
--- a/drivers/net/wireless/ath/ath9k/dfs_debug.c
+++ b/drivers/net/wireless/ath/ath9k/dfs_debug.c
@@ -60,16 +60,9 @@ static ssize_t read_file_dfs(struct file *file, char __user *user_buf,
        return retval;
 }
-static int ath9k_dfs_debugfs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static const struct file_operations fops_dfs_stats = {
        .read = read_file_dfs,
-        .open = ath9k_dfs_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
index d3ff33c71aa5..3035deb7a0cd 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
@@ -16,12 +16,6 @@
 #include "htc.h"
-static int ath9k_debugfs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t read_file_tgt_int_stats(struct file *file, char __user *user_buf,
                                       size_t count, loff_t *ppos)
 {
@@ -75,7 +69,7 @@ static ssize_t read_file_tgt_int_stats(struct file *file, char __user *user_buf,
 static const struct file_operations fops_tgt_int_stats = {
        .read = read_file_tgt_int_stats,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -145,7 +139,7 @@ static ssize_t read_file_tgt_tx_stats(struct file *file, char __user *user_buf,
 static const struct file_operations fops_tgt_tx_stats = {
        .read = read_file_tgt_tx_stats,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -191,7 +185,7 @@ static ssize_t read_file_tgt_rx_stats(struct file *file, char __user *user_buf,
 static const struct file_operations fops_tgt_rx_stats = {
        .read = read_file_tgt_rx_stats,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -243,7 +237,7 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 static const struct file_operations fops_xmit = {
        .read = read_file_xmit,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -364,7 +358,7 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 static const struct file_operations fops_recv = {
        .read = read_file_recv,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -399,7 +393,7 @@ static ssize_t read_file_slot(struct file *file, char __user *user_buf,
 static const struct file_operations fops_slot = {
        .read = read_file_slot,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -446,7 +440,7 @@ static ssize_t read_file_queue(struct file *file, char __user *user_buf,
 static const struct file_operations fops_queue = {
        .read = read_file_queue,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -487,7 +481,7 @@ static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
 static const struct file_operations fops_debug = {
        .read = read_file_debug,
        .write = write_file_debug,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -636,7 +630,7 @@ static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
 static const struct file_operations fops_base_eeprom = {
        .read = read_file_base_eeprom,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
@@ -917,7 +911,7 @@ static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
 static const struct file_operations fops_modal_eeprom = {
        .read = read_file_modal_eeprom,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE,
        .llseek = default_llseek,
 };
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 4f848493fece..08bb45532701 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1480,12 +1480,6 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
 #ifdef CONFIG_ATH9K_DEBUGFS
-static int ath9k_debugfs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
                                size_t count, loff_t *ppos)
 {
@@ -1553,7 +1547,7 @@ static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
 static const struct file_operations fops_rcstat = {
        .read = read_file_rcstat,
-        .open = ath9k_debugfs_open,
+        .open = simple_open,
        .owner = THIS_MODULE
 };
diff --git a/drivers/net/wireless/ath/carl9170/debug.c b/drivers/net/wireless/ath/carl9170/debug.c
index 3c164226687f..93fe6003a493 100644
--- a/drivers/net/wireless/ath/carl9170/debug.c
+++ b/drivers/net/wireless/ath/carl9170/debug.c
@@ -48,11 +48,6 @@
 #define ADD(buf, off, max, fmt, args...)                                \
        off += snprintf(&buf[off], max - off, fmt, ##args);
-static int carl9170_debugfs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 struct carl9170_debugfs_fops {
        unsigned int read_bufsize;
@@ -178,7 +173,7 @@ static const struct carl9170_debugfs_fops carl_debugfs_##name ##_ops = {\
        .attr = _attr,                                                  \
        .req_dev_state = _dstate,                                       \
        .fops = {                                                       \
-                .open   = carl9170_debugfs_open,                        \
+                .open   = simple_open,                                  \
                .read   = carl9170_debugfs_read,                        \
                .write  = carl9170_debugfs_write,                       \
                .owner  = THIS_MODULE                                   \
diff --git a/drivers/net/wireless/b43/debugfs.c b/drivers/net/wireless/b43/debugfs.c
index e751fdee89b2..e807bd930647 100644
--- a/drivers/net/wireless/b43/debugfs.c
+++ b/drivers/net/wireless/b43/debugfs.c
@@ -500,12 +500,6 @@ out:
 #undef fappend
-static int b43_debugfs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t b43_debugfs_read(struct file *file, char __user *userbuf,
                                size_t count, loff_t *ppos)
 {
@@ -624,7 +618,7 @@ out_unlock:
                .read   = _read,                                \
                .write  = _write,                               \
                .fops   = {                                     \
-                        .open   = b43_debugfs_open,             \
+                        .open   = simple_open,                  \
                        .read   = b43_debugfs_read,             \
                        .write  = b43_debugfs_write,            \
                        .llseek = generic_file_llseek,          \
diff --git a/drivers/net/wireless/b43legacy/debugfs.c b/drivers/net/wireless/b43legacy/debugfs.c
index 5e28ad0d6d17..1965edb765a2 100644
--- a/drivers/net/wireless/b43legacy/debugfs.c
+++ b/drivers/net/wireless/b43legacy/debugfs.c
@@ -197,12 +197,6 @@ static int restart_write_file(struct b43legacy_wldev *dev, const char *buf, size
 #undef fappend
-static int b43legacy_debugfs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t b43legacy_debugfs_read(struct file *file, char __user *userbuf,
                                size_t count, loff_t *ppos)
 {
@@ -331,7 +325,7 @@ out_unlock:
                .read   = _read,                                \
                .write  = _write,                               \
                .fops   = {                                     \
-                        .open   = b43legacy_debugfs_open,               \
+                        .open   = simple_open,                          \
                        .read   = b43legacy_debugfs_read,               \
                        .write  = b43legacy_debugfs_write,              \
                        .llseek = generic_file_llseek,                  \
diff --git a/drivers/net/wireless/iwlegacy/3945-rs.c b/drivers/net/wireless/iwlegacy/3945-rs.c
index 70bee1a4d876..4b10157d8686 100644
--- a/drivers/net/wireless/iwlegacy/3945-rs.c
+++ b/drivers/net/wireless/iwlegacy/3945-rs.c
@@ -821,12 +821,6 @@ out:
 }
 #ifdef CONFIG_MAC80211_DEBUGFS
-static int
-il3945_open_file_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t
 il3945_sta_dbgfs_stats_table_read(struct file *file, char __user *user_buf,
@@ -862,7 +856,7 @@ il3945_sta_dbgfs_stats_table_read(struct file *file, char __user *user_buf,
 static const struct file_operations rs_sta_dbgfs_stats_table_ops = {
        .read = il3945_sta_dbgfs_stats_table_read,
-        .open = il3945_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
diff --git a/drivers/net/wireless/iwlegacy/4965-rs.c b/drivers/net/wireless/iwlegacy/4965-rs.c
index d7e2856e41d3..11ab1247fae1 100644
--- a/drivers/net/wireless/iwlegacy/4965-rs.c
+++ b/drivers/net/wireless/iwlegacy/4965-rs.c
@@ -2518,12 +2518,6 @@ il4965_rs_free_sta(void *il_r, struct ieee80211_sta *sta, void *il_sta)
 }
 #ifdef CONFIG_MAC80211_DEBUGFS
-static int
-il4965_open_file_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static void
 il4965_rs_dbgfs_set_mcs(struct il_lq_sta *lq_sta, u32 * rate_n_flags, int idx)
@@ -2695,7 +2689,7 @@ il4965_rs_sta_dbgfs_scale_table_read(struct file *file, char __user *user_buf,
 static const struct file_operations rs_sta_dbgfs_scale_table_ops = {
        .write = il4965_rs_sta_dbgfs_scale_table_write,
        .read = il4965_rs_sta_dbgfs_scale_table_read,
-        .open = il4965_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -2740,7 +2734,7 @@ il4965_rs_sta_dbgfs_stats_table_read(struct file *file, char __user *user_buf,
 static const struct file_operations rs_sta_dbgfs_stats_table_ops = {
        .read = il4965_rs_sta_dbgfs_stats_table_read,
-        .open = il4965_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -2768,7 +2762,7 @@ il4965_rs_sta_dbgfs_rate_scale_data_read(struct file *file,
 static const struct file_operations rs_sta_dbgfs_rate_scale_data_ops = {
        .read = il4965_rs_sta_dbgfs_rate_scale_data_read,
-        .open = il4965_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
diff --git a/drivers/net/wireless/iwlegacy/debug.c b/drivers/net/wireless/iwlegacy/debug.c
index 229849150aac..eff26501d60a 100644
--- a/drivers/net/wireless/iwlegacy/debug.c
+++ b/drivers/net/wireless/iwlegacy/debug.c
@@ -160,18 +160,12 @@ static ssize_t il_dbgfs_##name##_write(struct file *file,              \
                                        const char __user *user_buf,    \
                                        size_t count, loff_t *ppos);
-static int
-il_dbgfs_open_file_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 #define DEBUGFS_READ_FILE_OPS(name)                             \
        DEBUGFS_READ_FUNC(name);                                \
 static const struct file_operations il_dbgfs_##name##_ops = {   \
        .read = il_dbgfs_##name##_read,                         \
-        .open = il_dbgfs_open_file_generic,                     \
+        .open = simple_open,                                    \
        .llseek = generic_file_llseek,                          \
 };
@@ -179,7 +173,7 @@ static const struct file_operations il_dbgfs_##name##_ops = {	\
        DEBUGFS_WRITE_FUNC(name);                               \
 static const struct file_operations il_dbgfs_##name##_ops = {   \
        .write = il_dbgfs_##name##_write,                       \
-        .open = il_dbgfs_open_file_generic,                     \
+        .open = simple_open,                                    \
        .llseek = generic_file_llseek,                          \
 };
@@ -189,7 +183,7 @@ static const struct file_operations il_dbgfs_##name##_ops = {	\
 static const struct file_operations il_dbgfs_##name##_ops = {   \
        .write = il_dbgfs_##name##_write,                       \
        .read = il_dbgfs_##name##_read,                         \
-        .open = il_dbgfs_open_file_generic,                     \
+        .open = simple_open,                                    \
        .llseek = generic_file_llseek,                          \
 };
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 53f8c51cfcdb..7e590b349dd7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -3083,11 +3083,6 @@ static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta,
 }
 #ifdef CONFIG_MAC80211_DEBUGFS
-static int open_file_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta,
                             u32 *rate_n_flags, int index)
 {
@@ -3226,7 +3221,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
 static const struct file_operations rs_sta_dbgfs_scale_table_ops = {
        .write = rs_sta_dbgfs_scale_table_write,
        .read = rs_sta_dbgfs_scale_table_read,
-        .open = open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
 static ssize_t rs_sta_dbgfs_stats_table_read(struct file *file,
@@ -3269,7 +3264,7 @@ static ssize_t rs_sta_dbgfs_stats_table_read(struct file *file,
 static const struct file_operations rs_sta_dbgfs_stats_table_ops = {
        .read = rs_sta_dbgfs_stats_table_read,
-        .open = open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -3295,7 +3290,7 @@ static ssize_t rs_sta_dbgfs_rate_scale_data_read(struct file *file,
 static const struct file_operations rs_sta_dbgfs_rate_scale_data_ops = {
        .read = rs_sta_dbgfs_rate_scale_data_read,
-        .open = open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index b7b1c04f2fba..2bbaebd99ad4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -84,17 +84,11 @@ static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
                                        size_t count, loff_t *ppos);
-static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 #define DEBUGFS_READ_FILE_OPS(name)                                     \
        DEBUGFS_READ_FUNC(name);                                        \
 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
        .read = iwl_dbgfs_##name##_read,                                \
-        .open = iwl_dbgfs_open_file_generic,                            \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
@@ -102,7 +96,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = {          \
        DEBUGFS_WRITE_FUNC(name);                                       \
 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
        .write = iwl_dbgfs_##name##_write,                              \
-        .open = iwl_dbgfs_open_file_generic,                            \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
@@ -113,7 +107,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
        .write = iwl_dbgfs_##name##_write,                              \
        .read = iwl_dbgfs_##name##_read,                                \
-        .open = iwl_dbgfs_open_file_generic,                            \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index b4f796c82e1e..4d7b30d3e648 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1898,17 +1898,11 @@ static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
                                        size_t count, loff_t *ppos);
-static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 #define DEBUGFS_READ_FILE_OPS(name)                                     \
        DEBUGFS_READ_FUNC(name);                                        \
 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
        .read = iwl_dbgfs_##name##_read,                                \
-        .open = iwl_dbgfs_open_file_generic,                            \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
@@ -1916,7 +1910,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = {		\
        DEBUGFS_WRITE_FUNC(name);                                       \
 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
        .write = iwl_dbgfs_##name##_write,                              \
-        .open = iwl_dbgfs_open_file_generic,                            \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
@@ -1926,7 +1920,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
        .write = iwl_dbgfs_##name##_write,                              \
        .read = iwl_dbgfs_##name##_read,                                \
-        .open = iwl_dbgfs_open_file_generic,                            \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
diff --git a/drivers/net/wireless/iwmc3200wifi/debugfs.c b/drivers/net/wireless/iwmc3200wifi/debugfs.c
index 87eef5773a02..b6199d124bb9 100644
--- a/drivers/net/wireless/iwmc3200wifi/debugfs.c
+++ b/drivers/net/wireless/iwmc3200wifi/debugfs.c
@@ -99,12 +99,6 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_modules,
                        iwm_debugfs_u32_read, iwm_debugfs_dbg_modules_write,
                        "%llu\n");
-static int iwm_generic_open(struct inode *inode, struct file *filp)
-{
-        filp->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t iwm_debugfs_txq_read(struct file *filp, char __user *buffer,
                                   size_t count, loff_t *ppos)
@@ -401,28 +395,28 @@ out:
 static const struct file_operations iwm_debugfs_txq_fops = {
        .owner =        THIS_MODULE,
-        .open =         iwm_generic_open,
+        .open =         simple_open,
        .read =         iwm_debugfs_txq_read,
        .llseek =       default_llseek,
 };
 static const struct file_operations iwm_debugfs_tx_credit_fops = {
        .owner =        THIS_MODULE,
-        .open =         iwm_generic_open,
+        .open =         simple_open,
        .read =         iwm_debugfs_tx_credit_read,
        .llseek =       default_llseek,
 };
 static const struct file_operations iwm_debugfs_rx_ticket_fops = {
        .owner =        THIS_MODULE,
-        .open =         iwm_generic_open,
+        .open =         simple_open,
        .read =         iwm_debugfs_rx_ticket_read,
        .llseek =       default_llseek,
 };
 static const struct file_operations iwm_debugfs_fw_err_fops = {
        .owner =        THIS_MODULE,
-        .open =         iwm_generic_open,
+        .open =         simple_open,
        .read =         iwm_debugfs_fw_err_read,
        .llseek =       default_llseek,
 };
diff --git a/drivers/net/wireless/iwmc3200wifi/sdio.c b/drivers/net/wireless/iwmc3200wifi/sdio.c
index 764b40dd24ad..0042f204b07f 100644
--- a/drivers/net/wireless/iwmc3200wifi/sdio.c
+++ b/drivers/net/wireless/iwmc3200wifi/sdio.c
@@ -264,13 +264,6 @@ static int if_sdio_send_chunk(struct iwm_priv *iwm, u8 *buf, int count)
        return ret;
 }
-/* debugfs hooks */
-static int iwm_debugfs_sdio_open(struct inode *inode, struct file *filp)
-{
-        filp->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t iwm_debugfs_sdio_read(struct file *filp, char __user *buffer,
                                     size_t count, loff_t *ppos)
 {
@@ -363,7 +356,7 @@ err:
 static const struct file_operations iwm_debugfs_sdio_fops = {
        .owner =        THIS_MODULE,
-        .open =         iwm_debugfs_sdio_open,
+        .open =         simple_open,
        .read =         iwm_debugfs_sdio_read,
        .llseek =       default_llseek,
 };
diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c
index c192671610fc..a06cc283e23d 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -21,12 +21,6 @@ static char *szStates[] = {
 static void lbs_debug_init(struct lbs_private *priv);
 #endif
-static int open_file_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t write_file_dummy(struct file *file, const char __user *buf,
                                size_t count, loff_t *ppos)
 {
@@ -696,7 +690,7 @@ out_unlock:
 #define FOPS(fread, fwrite) { \
        .owner = THIS_MODULE, \
-        .open = open_file_generic, \
+        .open = simple_open, \
        .read = (fread), \
        .write = (fwrite), \
        .llseek = generic_file_llseek, \
@@ -962,7 +956,7 @@ static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf,
 static const struct file_operations lbs_debug_fops = {
        .owner = THIS_MODULE,
-        .open = open_file_generic,
+        .open = simple_open,
        .write = lbs_debugfs_write,
        .read = lbs_debugfs_read,
        .llseek = default_llseek,
diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c
index d26a78b6b3c4..1a845074c52a 100644
--- a/drivers/net/wireless/mwifiex/debugfs.c
+++ b/drivers/net/wireless/mwifiex/debugfs.c
@@ -140,18 +140,6 @@ static struct mwifiex_debug_data items[] = {
 static int num_of_items = ARRAY_SIZE(items);
 /*
- * Generic proc file open handler.
- *
- * This function is called every time a file is accessed for read or write.
- */
-static int
-mwifiex_open_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
-/*
 * Proc info file read handler.
 *
 * This function is called when the 'info' file is opened for reading.
@@ -676,19 +664,19 @@ done:
 static const struct file_operations mwifiex_dfs_##name##_fops = {       \
        .read = mwifiex_##name##_read,                                  \
        .write = mwifiex_##name##_write,                                \
-        .open = mwifiex_open_generic,                                   \
+        .open = simple_open,                                            \
 };
 #define MWIFIEX_DFS_FILE_READ_OPS(name)                                 \
 static const struct file_operations mwifiex_dfs_##name##_fops = {       \
        .read = mwifiex_##name##_read,                                  \
-        .open = mwifiex_open_generic,                                   \
+        .open = simple_open,                                            \
 };
 #define MWIFIEX_DFS_FILE_WRITE_OPS(name)                                \
 static const struct file_operations mwifiex_dfs_##name##_fops = {       \
        .write = mwifiex_##name##_write,                                \
-        .open = mwifiex_open_generic,                                   \
+        .open = simple_open,                                            \
 };
diff --git a/drivers/net/wireless/wl1251/debugfs.c b/drivers/net/wireless/wl1251/debugfs.c
index 6c274007d200..448da1f8c22f 100644
--- a/drivers/net/wireless/wl1251/debugfs.c
+++ b/drivers/net/wireless/wl1251/debugfs.c
@@ -47,7 +47,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf,	\
                                                                        \
 static const struct file_operations name## _ops = {                     \
        .read = name## _read,                                           \
-        .open = wl1251_open_file_generic,                               \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
@@ -84,7 +84,7 @@ static ssize_t sub## _ ##name## _read(struct file *file,		\
                                                                        \
 static const struct file_operations sub## _ ##name## _ops = {           \
        .read = sub## _ ##name## _read,                                 \
-        .open = wl1251_open_file_generic,                               \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
@@ -117,12 +117,6 @@ out:
        mutex_unlock(&wl->mutex);
 }
-static int wl1251_open_file_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
@@ -235,7 +229,7 @@ static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
 static const struct file_operations tx_queue_len_ops = {
        .read = tx_queue_len_read,
-        .open = wl1251_open_file_generic,
+        .open = simple_open,
        .llseek = generic_file_llseek,
 };
@@ -257,7 +251,7 @@ static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf,
 static const struct file_operations tx_queue_status_ops = {
        .read = tx_queue_status_read,
-        .open = wl1251_open_file_generic,
+        .open = simple_open,
        .llseek = generic_file_llseek,
 };
diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c
index e1cf72765965..564d49575c94 100644
--- a/drivers/net/wireless/wl12xx/debugfs.c
+++ b/drivers/net/wireless/wl12xx/debugfs.c
@@ -63,7 +63,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf,	\
                                                                        \
 static const struct file_operations name## _ops = {                     \
        .read = name## _read,                                           \
-        .open = wl1271_open_file_generic,                               \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
@@ -96,7 +96,7 @@ static ssize_t sub## _ ##name## _read(struct file *file,		\
                                                                        \
 static const struct file_operations sub## _ ##name## _ops = {           \
        .read = sub## _ ##name## _read,                                 \
-        .open = wl1271_open_file_generic,                               \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
@@ -126,12 +126,6 @@ out:
        mutex_unlock(&wl->mutex);
 }
-static int wl1271_open_file_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u");
 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u");
@@ -243,7 +237,7 @@ static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
 static const struct file_operations tx_queue_len_ops = {
        .read = tx_queue_len_read,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -289,7 +283,7 @@ static ssize_t gpio_power_write(struct file *file,
 static const struct file_operations gpio_power_ops = {
        .read = gpio_power_read,
        .write = gpio_power_write,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -308,7 +302,7 @@ static ssize_t start_recovery_write(struct file *file,
 static const struct file_operations start_recovery_ops = {
        .write = start_recovery_write,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -372,7 +366,7 @@ out:
 static const struct file_operations dynamic_ps_timeout_ops = {
        .read = dynamic_ps_timeout_read,
        .write = dynamic_ps_timeout_write,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -441,7 +435,7 @@ out:
 static const struct file_operations forced_ps_ops = {
        .read = forced_ps_read,
        .write = forced_ps_write,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -483,7 +477,7 @@ static ssize_t split_scan_timeout_write(struct file *file,
 static const struct file_operations split_scan_timeout_ops = {
        .read = split_scan_timeout_read,
        .write = split_scan_timeout_write,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -566,7 +560,7 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf,
 static const struct file_operations driver_state_ops = {
        .read = driver_state_read,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -675,7 +669,7 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
 static const struct file_operations vifs_state_ops = {
        .read = vifs_state_read,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -733,7 +727,7 @@ static ssize_t dtim_interval_write(struct file *file,
 static const struct file_operations dtim_interval_ops = {
        .read = dtim_interval_read,
        .write = dtim_interval_write,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -791,7 +785,7 @@ static ssize_t suspend_dtim_interval_write(struct file *file,
 static const struct file_operations suspend_dtim_interval_ops = {
        .read = suspend_dtim_interval_read,
        .write = suspend_dtim_interval_write,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -849,7 +843,7 @@ static ssize_t beacon_interval_write(struct file *file,
 static const struct file_operations beacon_interval_ops = {
        .read = beacon_interval_read,
        .write = beacon_interval_write,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -904,7 +898,7 @@ static ssize_t rx_streaming_interval_read(struct file *file,
 static const struct file_operations rx_streaming_interval_ops = {
        .read = rx_streaming_interval_read,
        .write = rx_streaming_interval_write,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -959,7 +953,7 @@ static ssize_t rx_streaming_always_read(struct file *file,
 static const struct file_operations rx_streaming_always_ops = {
        .read = rx_streaming_always_read,
        .write = rx_streaming_always_write,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
@@ -1003,7 +997,7 @@ out:
 static const struct file_operations beacon_filtering_ops = {
        .write = beacon_filtering_write,
-        .open = wl1271_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 663b32c2e931..0ebbb1906c30 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1965,7 +1965,7 @@ static int __init netif_init(void)
        if (xen_initial_domain())
                return 0;
-        if (!xen_platform_pci_unplug)
+        if (xen_hvm_domain() && !xen_platform_pci_unplug)
                return -ENODEV;
        printk(KERN_INFO "Initialising Xen virtual ethernet driver.\n");
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index ee8fd037bb53..849357c1045c 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -117,25 +117,17 @@ static ssize_t ulong_write_file(struct file *file, char const __user *buf, size_
 }
-static int default_open(struct inode *inode, struct file *filp)
-{
-        if (inode->i_private)
-                filp->private_data = inode->i_private;
-        return 0;
-}
 static const struct file_operations ulong_fops = {
        .read           = ulong_read_file,
        .write          = ulong_write_file,
-        .open           = default_open,
+        .open           = simple_open,
        .llseek         = default_llseek,
 };
 static const struct file_operations ulong_ro_fops = {
        .read           = ulong_read_file,
-        .open           = default_open,
+        .open           = simple_open,
        .llseek         = default_llseek,
 };
@@ -187,7 +179,7 @@ static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t coun
 static const struct file_operations atomic_ro_fops = {
        .read           = atomic_read_file,
-        .open           = default_open,
+        .open           = simple_open,
        .llseek         = default_llseek,
 };
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index fd00ff02ab4d..d6cc62cb4cf7 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -290,6 +290,7 @@ static int pci_frontend_enable_msix(struct pci_dev *dev,
                } else {
                        printk(KERN_DEBUG "enable msix get value %x\n",
                                op.value);
+                        err = op.value;
                }
        } else {
                dev_err(&dev->dev, "enable msix get err %x\n", err);
diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c
index 70277a530133..85d31a69e117 100644
--- a/drivers/remoteproc/remoteproc_debugfs.c
+++ b/drivers/remoteproc/remoteproc_debugfs.c
@@ -50,16 +50,9 @@ static ssize_t rproc_trace_read(struct file *filp, char __user *userbuf,
        return simple_read_from_buffer(userbuf, count, ppos, trace->va, len);
 }
-static int rproc_open_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static const struct file_operations trace_rproc_ops = {
        .read = rproc_trace_read,
-        .open = rproc_open_generic,
+        .open = simple_open,
        .llseek = generic_file_llseek,
 };
@@ -94,7 +87,7 @@ static ssize_t rproc_state_read(struct file *filp, char __user *userbuf,
 static const struct file_operations rproc_state_ops = {
        .read = rproc_state_read,
-        .open = rproc_open_generic,
+        .open = simple_open,
        .llseek = generic_file_llseek,
 };
@@ -114,7 +107,7 @@ static ssize_t rproc_name_read(struct file *filp, char __user *userbuf,
 static const struct file_operations rproc_name_ops = {
        .read = rproc_name_read,
-        .open = rproc_open_generic,
+        .open = simple_open,
        .llseek = generic_file_llseek,
 };
diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c
index afee0e8ae714..feddefc42109 100644
--- a/drivers/rtc/rtc-88pm860x.c
+++ b/drivers/rtc/rtc-88pm860x.c
@@ -72,9 +72,9 @@ static int pm860x_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
        struct pm860x_rtc_info *info = dev_get_drvdata(dev);
        if (enabled)
-                pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM, ALARM);
+                pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM_EN, ALARM_EN);
        else
-                pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM, 0);
+                pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM_EN, 0);
        return 0;
 }
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 5bdf2eecb178..af04b0d6688d 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -997,13 +997,6 @@ lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf,
        return nbytes;
 }
-static int
-lpfc_debugfs_dif_err_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t
 lpfc_debugfs_dif_err_read(struct file *file, char __user *buf,
        size_t nbytes, loff_t *ppos)
@@ -3541,7 +3534,7 @@ static const struct file_operations lpfc_debugfs_op_dumpDif = {
 #undef lpfc_debugfs_op_dif_err
 static const struct file_operations lpfc_debugfs_op_dif_err = {
        .owner =        THIS_MODULE,
-        .open =         lpfc_debugfs_dif_err_open,
+        .open =         simple_open,
        .llseek =       lpfc_debugfs_lseek,
        .read =         lpfc_debugfs_dif_err_read,
        .write =        lpfc_debugfs_dif_err_write,
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 082458d73ce9..d1a495f64e2d 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -63,12 +63,6 @@ struct chip_data {
 };
 #ifdef CONFIG_DEBUG_FS
-static int spi_show_regs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 #define SPI_REGS_BUFSIZE        1024
 static ssize_t  spi_show_regs(struct file *file, char __user *user_buf,
                                size_t count, loff_t *ppos)
@@ -128,7 +122,7 @@ static ssize_t  spi_show_regs(struct file *file, char __user *user_buf,
 static const struct file_operations mrst_spi_regs_ops = {
        .owner          = THIS_MODULE,
-        .open           = spi_show_regs_open,
+        .open           = simple_open,
        .read           = spi_show_regs,
        .llseek         = default_llseek,
 };
diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h
index 830657908db8..c5eb3c33c3db 100644
--- a/drivers/target/tcm_fc/tcm_fc.h
+++ b/drivers/target/tcm_fc/tcm_fc.h
@@ -122,6 +122,7 @@ struct ft_cmd {
        /* Local sense buffer */
        unsigned char ft_sense_buffer[TRANSPORT_SENSE_BUFFER];
        u32 was_ddp_setup:1;            /* Set only if ddp is setup */
+        u32 aborted:1;                  /* Set if aborted by reset or timeout */
        struct scatterlist *sg;         /* Set only if DDP is setup */
        u32 sg_cnt;                     /* No. of item in scatterlist */
 };
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 62dec9715ce5..a375f257aabc 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -121,6 +121,8 @@ int ft_queue_status(struct se_cmd *se_cmd)
        struct fc_exch *ep;
        size_t len;
+        if (cmd->aborted)
+                return 0;
        ft_dump_cmd(cmd, __func__);
        ep = fc_seq_exch(cmd->seq);
        lport = ep->lp;
@@ -187,6 +189,8 @@ int ft_write_pending(struct se_cmd *se_cmd)
        ft_dump_cmd(cmd, __func__);
+        if (cmd->aborted)
+                return 0;
        ep = fc_seq_exch(cmd->seq);
        lport = ep->lp;
        fp = fc_frame_alloc(lport, sizeof(*txrdy));
@@ -252,10 +256,10 @@ static void ft_recv_seq(struct fc_seq *sp, struct fc_frame *fp, void *arg)
        struct ft_cmd *cmd = arg;
        struct fc_frame_header *fh;
-        if (IS_ERR(fp)) {
+        if (unlikely(IS_ERR(fp))) {
                /* XXX need to find cmd if queued */
                cmd->seq = NULL;
-                transport_generic_free_cmd(&cmd->se_cmd, 0);
+                cmd->aborted = true;
                return;
        }
@@ -399,6 +403,8 @@ int ft_queue_tm_resp(struct se_cmd *se_cmd)
        struct se_tmr_req *tmr = se_cmd->se_tmr_req;
        enum fcp_resp_rsp_codes code;
+        if (cmd->aborted)
+                return 0;
        switch (tmr->response) {
        case TMR_FUNCTION_COMPLETE:
                code = FCP_TMF_CMPL;
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index f357039349ba..2948dc944619 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -300,6 +300,7 @@ static struct se_portal_group *ft_add_tpg(
 {
        struct ft_lport_acl *lacl;
        struct ft_tpg *tpg;
+        struct workqueue_struct *wq;
        unsigned long index;
        int ret;
@@ -321,18 +322,20 @@ static struct se_portal_group *ft_add_tpg(
        tpg->lport_acl = lacl;
        INIT_LIST_HEAD(&tpg->lun_list);
-        ret = core_tpg_register(&ft_configfs->tf_ops, wwn, &tpg->se_tpg,
+        wq = alloc_workqueue("tcm_fc", 0, 1);
-                                tpg, TRANSPORT_TPG_TYPE_NORMAL);
+        if (!wq) {
-        if (ret < 0) {
                kfree(tpg);
                return NULL;
        }
-        tpg->workqueue = alloc_workqueue("tcm_fc", 0, 1);
+        ret = core_tpg_register(&ft_configfs->tf_ops, wwn, &tpg->se_tpg,
-        if (!tpg->workqueue) {
+                                tpg, TRANSPORT_TPG_TYPE_NORMAL);
+        if (ret < 0) {
+                destroy_workqueue(wq);
                kfree(tpg);
                return NULL;
        }
+        tpg->workqueue = wq;
        mutex_lock(&ft_lport_lock);
        list_add_tail(&tpg->list, &lacl->tpg_list);
diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index 2b693eefac55..dc7c0db26e20 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -81,6 +81,8 @@ int ft_queue_data_in(struct se_cmd *se_cmd)
        void *from;
        void *to = NULL;
+        if (cmd->aborted)
+                return 0;
        ep = fc_seq_exch(cmd->seq);
        lport = ep->lp;
        cmd->seq = lport->tt.seq_start_next(cmd->seq);
diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c
index a9234ba8f8d5..c4b50af46c44 100644
--- a/drivers/tty/serial/mfd.c
+++ b/drivers/tty/serial/mfd.c
@@ -127,11 +127,6 @@ static inline void serial_out(struct uart_hsu_port *up, int offset, int value)
 #define HSU_REGS_BUFSIZE        1024
-static int hsu_show_regs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t port_show_regs(struct file *file, char __user *user_buf,
                                size_t count, loff_t *ppos)
@@ -231,14 +226,14 @@ static ssize_t dma_show_regs(struct file *file, char __user *user_buf,
 static const struct file_operations port_regs_ops = {
        .owner          = THIS_MODULE,
-        .open           = hsu_show_regs_open,
+        .open           = simple_open,
        .read           = port_show_regs,
        .llseek         = default_llseek,
 };
 static const struct file_operations dma_regs_ops = {
        .owner          = THIS_MODULE,
-        .open           = hsu_show_regs_open,
+        .open           = simple_open,
        .read           = dma_show_regs,
        .llseek         = default_llseek,
 };
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index e825460478be..08b9962b8fda 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -304,11 +304,7 @@ static const int trigger_level_1[4] = { 1, 1, 1, 1 };
 #ifdef CONFIG_DEBUG_FS
 #define PCH_REGS_BUFSIZE        1024
-static int pch_show_regs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t port_show_regs(struct file *file, char __user *user_buf,
                                size_t count, loff_t *ppos)
@@ -362,7 +358,7 @@ static ssize_t port_show_regs(struct file *file, char __user *user_buf,
 static const struct file_operations port_regs_ops = {
        .owner          = THIS_MODULE,
-        .open           = pch_show_regs_open,
+        .open           = simple_open,
        .read           = port_show_regs,
        .llseek         = default_llseek,
 };
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 136e86faa1e1..05728894a88c 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -327,7 +327,7 @@ static void send_sig_all(int sig)
                if (is_global_init(p))
                        continue;
-                force_sig(sig, p);
+                do_send_sig_info(sig, SEND_SIG_FORCED, p, true);
        }
        read_unlock(&tasklist_lock);
 }
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index cefa0c8b5b6a..d2b9af59cba9 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -428,18 +428,10 @@ static loff_t default_file_lseek (struct file *file, loff_t offset, int orig)
        return retval;
 }
-static int default_open (struct inode *inode, struct file *file)
-{
-        if (inode->i_private)
-                file->private_data = inode->i_private;
-        return 0;
-}
 static const struct file_operations default_file_operations = {
        .read =         default_read_file,
        .write =        default_write_file,
-        .open =         default_open,
+        .open =         simple_open,
        .llseek =       default_file_lseek,
 };
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index 19f318ababa2..cf14c95a6700 100644
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -13,6 +13,7 @@
 #include <linux/clk.h>
 #include <linux/platform_device.h>
+#include <linux/of.h>
 #include <linux/of_platform.h>
 /* interface and function clocks */
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index fd9109d7eb0e..680e1a31fb87 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -352,7 +352,6 @@ static int debug_async_open(struct inode *, struct file *);
 static int debug_periodic_open(struct inode *, struct file *);
 static int debug_registers_open(struct inode *, struct file *);
 static int debug_async_open(struct inode *, struct file *);
-static int debug_lpm_open(struct inode *, struct file *);
 static ssize_t debug_lpm_read(struct file *file, char __user *user_buf,
                                   size_t count, loff_t *ppos);
 static ssize_t debug_lpm_write(struct file *file, const char __user *buffer,
@@ -385,7 +384,7 @@ static const struct file_operations debug_registers_fops = {
 };
 static const struct file_operations debug_lpm_fops = {
        .owner          = THIS_MODULE,
-        .open           = debug_lpm_open,
+        .open           = simple_open,
        .read           = debug_lpm_read,
        .write          = debug_lpm_write,
        .release        = debug_lpm_close,
@@ -970,12 +969,6 @@ static int debug_registers_open(struct inode *inode, struct file *file)
        return file->private_data ? 0 : -ENOMEM;
 }
-static int debug_lpm_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static int debug_lpm_close(struct inode *inode, struct file *file)
 {
        return 0;
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index db8963f5fbce..09f597ad6e00 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -27,6 +27,10 @@
 #error "CONFIG_ARCH_AT91 must be defined."
 #endif
+#define valid_port(index)       ((index) >= 0 && (index) < AT91_MAX_USBH_PORTS)
+#define at91_for_each_port(index)       \
+                for ((index) = 0; (index) < AT91_MAX_USBH_PORTS; (index)++)
 /* interface and function clocks; sometimes also an AHB clock */
 static struct clk *iclk, *fclk, *hclk;
 static int clocked;
@@ -240,26 +244,26 @@ ohci_at91_start (struct usb_hcd *hcd)
 static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int enable)
 {
-        if (port < 0 || port >= 2)
+        if (!valid_port(port))
                return;
        if (!gpio_is_valid(pdata->vbus_pin[port]))
                return;
        gpio_set_value(pdata->vbus_pin[port],
-                       !pdata->vbus_pin_active_low[port] ^ enable);
+                       pdata->vbus_pin_active_low[port] ^ enable);
 }
 static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
 {
-        if (port < 0 || port >= 2)
+        if (!valid_port(port))
                return -EINVAL;
        if (!gpio_is_valid(pdata->vbus_pin[port]))
                return -EINVAL;
        return gpio_get_value(pdata->vbus_pin[port]) ^
-                !pdata->vbus_pin_active_low[port];
+                pdata->vbus_pin_active_low[port];
 }
 /*
@@ -271,9 +275,9 @@ static int ohci_at91_hub_status_data(struct usb_hcd *hcd, char *buf)
        int length = ohci_hub_status_data(hcd, buf);
        int port;
-        for (port = 0; port < ARRAY_SIZE(pdata->overcurrent_pin); port++) {
+        at91_for_each_port(port) {
                if (pdata->overcurrent_changed[port]) {
-                        if (! length)
+                        if (!length)
                                length = 1;
                        buf[0] |= 1 << (port + 1);
                }
@@ -297,11 +301,17 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                "ohci_at91_hub_control(%p,0x%04x,0x%04x,0x%04x,%p,%04x)\n",
                hcd, typeReq, wValue, wIndex, buf, wLength);
+        wIndex--;
        switch (typeReq) {
        case SetPortFeature:
                if (wValue == USB_PORT_FEAT_POWER) {
                        dev_dbg(hcd->self.controller, "SetPortFeat: POWER\n");
-                        ohci_at91_usb_set_power(pdata, wIndex - 1, 1);
+                        if (valid_port(wIndex)) {
+                                ohci_at91_usb_set_power(pdata, wIndex, 1);
+                                ret = 0;
+                        }
                        goto out;
                }
                break;
@@ -312,9 +322,9 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                        dev_dbg(hcd->self.controller,
                                "ClearPortFeature: C_OVER_CURRENT\n");
-                        if (wIndex == 1 || wIndex == 2) {
+                        if (valid_port(wIndex)) {
-                                pdata->overcurrent_changed[wIndex-1] = 0;
+                                pdata->overcurrent_changed[wIndex] = 0;
-                                pdata->overcurrent_status[wIndex-1] = 0;
+                                pdata->overcurrent_status[wIndex] = 0;
                        }
                        goto out;
@@ -323,9 +333,8 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                        dev_dbg(hcd->self.controller,
                                "ClearPortFeature: OVER_CURRENT\n");
-                        if (wIndex == 1 || wIndex == 2) {
+                        if (valid_port(wIndex))
-                                pdata->overcurrent_status[wIndex-1] = 0;
+                                pdata->overcurrent_status[wIndex] = 0;
-                        }
                        goto out;
@@ -333,15 +342,15 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                        dev_dbg(hcd->self.controller,
                                "ClearPortFeature: POWER\n");
-                        if (wIndex == 1 || wIndex == 2) {
+                        if (valid_port(wIndex)) {
-                                ohci_at91_usb_set_power(pdata, wIndex - 1, 0);
+                                ohci_at91_usb_set_power(pdata, wIndex, 0);
                                return 0;
                        }
                }
                break;
        }
-        ret = ohci_hub_control(hcd, typeReq, wValue, wIndex, buf, wLength);
+        ret = ohci_hub_control(hcd, typeReq, wValue, wIndex + 1, buf, wLength);
        if (ret)
                goto out;
@@ -377,18 +386,15 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                dev_dbg(hcd->self.controller, "GetPortStatus(%d)\n", wIndex);
-                if (wIndex == 1 || wIndex == 2) {
+                if (valid_port(wIndex)) {
-                        if (! ohci_at91_usb_get_power(pdata, wIndex-1)) {
+                        if (!ohci_at91_usb_get_power(pdata, wIndex))
                                *data &= ~cpu_to_le32(RH_PS_PPS);
-                        }
-                        if (pdata->overcurrent_changed[wIndex-1]) {
+                        if (pdata->overcurrent_changed[wIndex])
                                *data |= cpu_to_le32(RH_PS_OCIC);
-                        }
-                        if (pdata->overcurrent_status[wIndex-1]) {
+                        if (pdata->overcurrent_status[wIndex])
                                *data |= cpu_to_le32(RH_PS_POCI);
-                        }
                }
        }
@@ -450,14 +456,14 @@ static irqreturn_t ohci_hcd_at91_overcurrent_irq(int irq, void *data)
        /* From the GPIO notifying the over-current situation, find
         * out the corresponding port */
-        for (port = 0; port < ARRAY_SIZE(pdata->overcurrent_pin); port++) {
+        at91_for_each_port(port) {
                if (gpio_to_irq(pdata->overcurrent_pin[port]) == irq) {
                        gpio = pdata->overcurrent_pin[port];
                        break;
                }
        }
-        if (port == ARRAY_SIZE(pdata->overcurrent_pin)) {
+        if (port == AT91_MAX_USBH_PORTS) {
                dev_err(& pdev->dev, "overcurrent interrupt from unknown GPIO\n");
                return IRQ_HANDLED;
        }
@@ -467,7 +473,7 @@ static irqreturn_t ohci_hcd_at91_overcurrent_irq(int irq, void *data)
        /* When notified of an over-current situation, disable power
           on the corresponding port, and mark this port in
           over-current. */
-        if (! val) {
+        if (!val) {
                ohci_at91_usb_set_power(pdata, port, 0);
                pdata->overcurrent_status[port]  = 1;
                pdata->overcurrent_changed[port] = 1;
@@ -492,7 +498,7 @@ static u64 at91_ohci_dma_mask = DMA_BIT_MASK(32);
 static int __devinit ohci_at91_of_init(struct platform_device *pdev)
 {
        struct device_node *np = pdev->dev.of_node;
-        int i, ret, gpio;
+        int i, gpio;
        enum of_gpio_flags flags;
        struct at91_usbh_data   *pdata;
        u32 ports;
@@ -514,48 +520,17 @@ static int __devinit ohci_at91_of_init(struct platform_device *pdev)
        if (!of_property_read_u32(np, "num-ports", &ports))
                pdata->ports = ports;
-        for (i = 0; i < 2; i++) {
+        at91_for_each_port(i) {
                gpio = of_get_named_gpio_flags(np, "atmel,vbus-gpio", i, &flags);
                pdata->vbus_pin[i] = gpio;
                if (!gpio_is_valid(gpio))
                        continue;
                pdata->vbus_pin_active_low[i] = flags & OF_GPIO_ACTIVE_LOW;
-                ret = gpio_request(gpio, "ohci_vbus");
-                if (ret) {
-                        dev_warn(&pdev->dev, "can't request vbus gpio %d", gpio);
-                        continue;
-                }
-                ret = gpio_direction_output(gpio, !(flags & OF_GPIO_ACTIVE_LOW) ^ 1);
-                if (ret)
-                        dev_warn(&pdev->dev, "can't put vbus gpio %d as output %d",
-                                 !(flags & OF_GPIO_ACTIVE_LOW) ^ 1, gpio);
        }
-        for (i = 0; i < 2; i++) {
+        at91_for_each_port(i)
-                gpio = of_get_named_gpio_flags(np, "atmel,oc-gpio", i, &flags);
+                pdata->overcurrent_pin[i] =
-                pdata->overcurrent_pin[i] = gpio;
+                        of_get_named_gpio_flags(np, "atmel,oc-gpio", i, &flags);
-                if (!gpio_is_valid(gpio))
-                        continue;
-                ret = gpio_request(gpio, "ohci_overcurrent");
-                if (ret) {
-                        dev_err(&pdev->dev, "can't request overcurrent gpio %d", gpio);
-                        continue;
-                }
-                ret = gpio_direction_input(gpio);
-                if (ret) {
-                        dev_err(&pdev->dev, "can't configure overcurrent gpio %d as input", gpio);
-                        continue;
-                }
-                ret = request_irq(gpio_to_irq(gpio),
-                                  ohci_hcd_at91_overcurrent_irq,
-                                  IRQF_SHARED, "ohci_overcurrent", pdev);
-                if (ret) {
-                        gpio_free(gpio);
-                        dev_warn(& pdev->dev, "cannot get GPIO IRQ for overcurrent\n");
-                }
-        }
        pdev->dev.platform_data = pdata;
@@ -574,35 +549,69 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
 {
        struct at91_usbh_data   *pdata;
        int                     i;
+        int                     gpio;
+        int                     ret;
-        i = ohci_at91_of_init(pdev);
+        ret = ohci_at91_of_init(pdev);
+        if (ret)
-        if (i)
+                return ret;
-                return i;
        pdata = pdev->dev.platform_data;
        if (pdata) {
-                for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
+                at91_for_each_port(i) {
                        if (!gpio_is_valid(pdata->vbus_pin[i]))
                                continue;
-                        gpio_request(pdata->vbus_pin[i], "ohci_vbus");
+                        gpio = pdata->vbus_pin[i];
+                        ret = gpio_request(gpio, "ohci_vbus");
+                        if (ret) {
+                                dev_err(&pdev->dev,
+                                        "can't request vbus gpio %d\n", gpio);
+                                continue;
+                        }
+                        ret = gpio_direction_output(gpio,
+                                                !pdata->vbus_pin_active_low[i]);
+                        if (ret) {
+                                dev_err(&pdev->dev,
+                                        "can't put vbus gpio %d as output %d\n",
+                                        gpio, !pdata->vbus_pin_active_low[i]);
+                                gpio_free(gpio);
+                                continue;
+                        }
                        ohci_at91_usb_set_power(pdata, i, 1);
                }
-                for (i = 0; i < ARRAY_SIZE(pdata->overcurrent_pin); i++) {
+                at91_for_each_port(i) {
-                        int ret;
                        if (!gpio_is_valid(pdata->overcurrent_pin[i]))
                                continue;
-                        gpio_request(pdata->overcurrent_pin[i], "ohci_overcurrent");
+                        gpio = pdata->overcurrent_pin[i];
+                        ret = gpio_request(gpio, "ohci_overcurrent");
+                        if (ret) {
+                                dev_err(&pdev->dev,
+                                        "can't request overcurrent gpio %d\n",
+                                        gpio);
+                                continue;
+                        }
+                        ret = gpio_direction_input(gpio);
+                        if (ret) {
+                                dev_err(&pdev->dev,
+                                        "can't configure overcurrent gpio %d as input\n",
+                                        gpio);
+                                gpio_free(gpio);
+                                continue;
+                        }
-                        ret = request_irq(gpio_to_irq(pdata->overcurrent_pin[i]),
+                        ret = request_irq(gpio_to_irq(gpio),
                                          ohci_hcd_at91_overcurrent_irq,
                                          IRQF_SHARED, "ohci_overcurrent", pdev);
                        if (ret) {
-                                gpio_free(pdata->overcurrent_pin[i]);
+                                gpio_free(gpio);
-                                dev_warn(& pdev->dev, "cannot get GPIO IRQ for overcurrent\n");
+                                dev_err(&pdev->dev,
+                                        "can't get gpio IRQ for overcurrent\n");
                        }
                }
        }
@@ -617,14 +626,14 @@ static int ohci_hcd_at91_drv_remove(struct platform_device *pdev)
        int                     i;
        if (pdata) {
-                for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
+                at91_for_each_port(i) {
                        if (!gpio_is_valid(pdata->vbus_pin[i]))
                                continue;
                        ohci_at91_usb_set_power(pdata, i, 0);
                        gpio_free(pdata->vbus_pin[i]);
                }
-                for (i = 0; i < ARRAY_SIZE(pdata->overcurrent_pin); i++) {
+                at91_for_each_port(i) {
                        if (!gpio_is_valid(pdata->overcurrent_pin[i]))
                                continue;
                        free_irq(gpio_to_irq(pdata->overcurrent_pin[i]), pdev);
diff --git a/drivers/uwb/uwb-debug.c b/drivers/uwb/uwb-debug.c
index 2eecec0c13c9..6ec45beb7af5 100644
--- a/drivers/uwb/uwb-debug.c
+++ b/drivers/uwb/uwb-debug.c
@@ -159,13 +159,6 @@ static int cmd_ie_rm(struct uwb_rc *rc, struct uwb_dbg_cmd_ie *ie_to_rm)
        return uwb_rc_ie_rm(rc, ie_to_rm->data[0]);
 }
-static int command_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t command_write(struct file *file, const char __user *buf,
                         size_t len, loff_t *off)
 {
@@ -206,7 +199,7 @@ static ssize_t command_write(struct file *file, const char __user *buf,
 }
 static const struct file_operations command_fops = {
-        .open   = command_open,
+        .open   = simple_open,
        .write  = command_write,
        .read   = NULL,
        .llseek = no_llseek,
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 7ed9991fa747..af16884491ed 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -245,6 +245,12 @@ config BACKLIGHT_DA903X
          If you have a LCD backlight connected to the WLED output of DA9030
          or DA9034 WLED output, say Y here to enable this driver.
+config BACKLIGHT_DA9052
+        tristate "Dialog DA9052/DA9053 WLED"
+        depends on PMIC_DA9052
+        help
+          Enable the Backlight Driver for DA9052-BC and DA9053-AA/Bx PMICs.
 config BACKLIGHT_MAX8925
        tristate "Backlight driver for MAX8925"
        depends on MFD_MAX8925
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index 8071eb656147..36855ae887d6 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o
 obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o
 obj-$(CONFIG_BACKLIGHT_PWM)     += pwm_bl.o
 obj-$(CONFIG_BACKLIGHT_DA903X)  += da903x_bl.o
+obj-$(CONFIG_BACKLIGHT_DA9052)  += da9052_bl.o
 obj-$(CONFIG_BACKLIGHT_MAX8925) += max8925_bl.o
 obj-$(CONFIG_BACKLIGHT_APPLE)   += apple_bl.o
 obj-$(CONFIG_BACKLIGHT_TOSA)    += tosa_bl.o
diff --git a/drivers/video/backlight/da9052_bl.c b/drivers/video/backlight/da9052_bl.c
new file mode 100644
index 000000000000..b628d68f5162
--- /dev/null
+++ b/drivers/video/backlight/da9052_bl.c
@@ -0,0 +1,187 @@
+/*
+ * Backlight Driver for Dialog DA9052 PMICs
+ *
+ * Copyright(c) 2012 Dialog Semiconductor Ltd.
+ *
+ * Author: David Dajun Chen <dchen@diasemi.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+#include <linux/backlight.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/da9052/da9052.h>
+#include <linux/mfd/da9052/reg.h>
+#define DA9052_MAX_BRIGHTNESS           0xFF
+enum {
+        DA9052_WLEDS_OFF,
+        DA9052_WLEDS_ON,
+};
+enum {
+        DA9052_TYPE_WLED1,
+        DA9052_TYPE_WLED2,
+        DA9052_TYPE_WLED3,
+};
+static unsigned char wled_bank[] = {
+        DA9052_LED1_CONF_REG,
+        DA9052_LED2_CONF_REG,
+        DA9052_LED3_CONF_REG,
+};
+struct da9052_bl {
+        struct da9052 *da9052;
+        uint brightness;
+        uint state;
+        uint led_reg;
+};
+static int da9052_adjust_wled_brightness(struct da9052_bl *wleds)
+{
+        unsigned char boost_en;
+        unsigned char i_sink;
+        int ret;
+        boost_en = 0x3F;
+        i_sink = 0xFF;
+        if (wleds->state == DA9052_WLEDS_OFF) {
+                boost_en = 0x00;
+                i_sink = 0x00;
+        }
+        ret = da9052_reg_write(wleds->da9052, DA9052_BOOST_REG, boost_en);
+        if (ret < 0)
+                return ret;
+        ret = da9052_reg_write(wleds->da9052, DA9052_LED_CONT_REG, i_sink);
+        if (ret < 0)
+                return ret;
+        ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg], 0x0);
+        if (ret < 0)
+                return ret;
+        msleep(10);
+        if (wleds->brightness) {
+                ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg],
+                                       wleds->brightness);
+                if (ret < 0)
+                        return ret;
+        }
+        return 0;
+}
+static int da9052_backlight_update_status(struct backlight_device *bl)
+{
+        int brightness = bl->props.brightness;
+        struct da9052_bl *wleds = bl_get_data(bl);
+        wleds->brightness = brightness;
+        wleds->state = DA9052_WLEDS_ON;
+        return da9052_adjust_wled_brightness(wleds);
+}
+static int da9052_backlight_get_brightness(struct backlight_device *bl)
+{
+        struct da9052_bl *wleds = bl_get_data(bl);
+        return wleds->brightness;
+}
+static const struct backlight_ops da9052_backlight_ops = {
+        .update_status = da9052_backlight_update_status,
+        .get_brightness = da9052_backlight_get_brightness,
+};
+static int da9052_backlight_probe(struct platform_device *pdev)
+{
+        struct backlight_device *bl;
+        struct backlight_properties props;
+        struct da9052_bl *wleds;
+        wleds = devm_kzalloc(&pdev->dev, sizeof(struct da9052_bl), GFP_KERNEL);
+        if (!wleds)
+                return -ENOMEM;
+        wleds->da9052 = dev_get_drvdata(pdev->dev.parent);
+        wleds->brightness = 0;
+        wleds->led_reg = platform_get_device_id(pdev)->driver_data;
+        wleds->state = DA9052_WLEDS_OFF;
+        props.type = BACKLIGHT_RAW;
+        props.max_brightness = DA9052_MAX_BRIGHTNESS;
+        bl = backlight_device_register(pdev->name, wleds->da9052->dev, wleds,
+                                       &da9052_backlight_ops, &props);
+        if (IS_ERR(bl)) {
+                dev_err(&pdev->dev, "Failed to register backlight\n");
+                devm_kfree(&pdev->dev, wleds);
+                return PTR_ERR(bl);
+        }
+        bl->props.max_brightness = DA9052_MAX_BRIGHTNESS;
+        bl->props.brightness = 0;
+        platform_set_drvdata(pdev, bl);
+        return da9052_adjust_wled_brightness(wleds);
+}
+static int da9052_backlight_remove(struct platform_device *pdev)
+{
+        struct backlight_device *bl = platform_get_drvdata(pdev);
+        struct da9052_bl *wleds = bl_get_data(bl);
+        wleds->brightness = 0;
+        wleds->state = DA9052_WLEDS_OFF;
+        da9052_adjust_wled_brightness(wleds);
+        backlight_device_unregister(bl);
+        devm_kfree(&pdev->dev, wleds);
+        return 0;
+}
+static struct platform_device_id da9052_wled_ids[] = {
+        {
+                .name           = "da9052-wled1",
+                .driver_data    = DA9052_TYPE_WLED1,
+        },
+        {
+                .name           = "da9052-wled2",
+                .driver_data    = DA9052_TYPE_WLED2,
+        },
+        {
+                .name           = "da9052-wled3",
+                .driver_data    = DA9052_TYPE_WLED3,
+        },
+};
+static struct platform_driver da9052_wled_driver = {
+        .probe          = da9052_backlight_probe,
+        .remove         = da9052_backlight_remove,
+        .id_table       = da9052_wled_ids,
+        .driver = {
+                .name   = "da9052-wled",
+                .owner  = THIS_MODULE,
+        },
+};
+module_platform_driver(da9052_wled_driver);
+MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
+MODULE_DESCRIPTION("Backlight driver for DA9052 PMIC");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:da9052-backlight");
diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
index be20b5cbe26c..3a6d5419e3e3 100644
--- a/drivers/video/backlight/locomolcd.c
+++ b/drivers/video/backlight/locomolcd.c
@@ -229,14 +229,7 @@ static struct locomo_driver poodle_lcd_driver = {
 static int __init locomolcd_init(void)
 {
-        int ret = locomo_driver_register(&poodle_lcd_driver);
+        return locomo_driver_register(&poodle_lcd_driver);
-        if (ret)
-                return ret;
-#ifdef CONFIG_SA1100_COLLIE
-        sa1100fb_lcd_power = locomolcd_power;
-#endif
-        return 0;
 }
 static void __exit locomolcd_exit(void)
diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c
index 63616d7453e6..97f5d264c31e 100644
--- a/drivers/xen/xen-pciback/pciback_ops.c
+++ b/drivers/xen/xen-pciback/pciback_ops.c
@@ -234,7 +234,7 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev,
        if (dev_data)
                dev_data->ack_intr = 0;
-        return result;
+        return result > 0 ? 0 : result;
 }
 static
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 8fecc99be344..f52c5ab78f9d 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -3892,13 +3892,12 @@ CIFSSMBSetCIFSACL(const int xid, struct cifs_tcon *tcon, __u16 fid,
        int rc = 0;
        int bytes_returned = 0;
        SET_SEC_DESC_REQ *pSMB = NULL;
-        NTRANSACT_RSP *pSMBr = NULL;
+        void *pSMBr;
 setCifsAclRetry:
-        rc = smb_init(SMB_COM_NT_TRANSACT, 19, tcon, (void **) &pSMB,
+        rc = smb_init(SMB_COM_NT_TRANSACT, 19, tcon, (void **) &pSMB, &pSMBr);
-                        (void **) &pSMBr);
        if (rc)
-                        return (rc);
+                return rc;
        pSMB->MaxSetupCount = 0;
        pSMB->Reserved = 0;
@@ -3926,9 +3925,8 @@ setCifsAclRetry:
        pSMB->AclFlags = cpu_to_le32(aclflag);
        if (pntsd && acllen) {
-                memcpy((char *) &pSMBr->hdr.Protocol + data_offset,
+                memcpy((char *)pSMBr + offsetof(struct smb_hdr, Protocol) +
-                        (char *) pntsd,
+                                data_offset, pntsd, acllen);
-                        acllen);
                inc_rfc1001_len(pSMB, byte_count + data_count);
        } else
                inc_rfc1001_len(pSMB, byte_count);
@@ -5708,7 +5706,8 @@ CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon,
        param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4;
        offset = param_offset + params;
-        data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
+        data_offset = (char *)pSMB +
+                        offsetof(struct smb_hdr, Protocol) + offset;
        count = sizeof(FILE_BASIC_INFO);
        pSMB->MaxParameterCount = cpu_to_le16(2);
@@ -5977,7 +5976,7 @@ CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon,
                       u16 fid, u32 pid_of_opener)
 {
        struct smb_com_transaction2_sfi_req *pSMB  = NULL;
-        FILE_UNIX_BASIC_INFO *data_offset;
+        char *data_offset;
        int rc = 0;
        u16 params, param_offset, offset, byte_count, count;
@@ -5999,8 +5998,9 @@ CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon,
        param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4;
        offset = param_offset + params;
-        data_offset = (FILE_UNIX_BASIC_INFO *)
+        data_offset = (char *)pSMB +
-                                ((char *)(&pSMB->hdr.Protocol) + offset);
+                        offsetof(struct smb_hdr, Protocol) + offset;
        count = sizeof(FILE_UNIX_BASIC_INFO);
        pSMB->MaxParameterCount = cpu_to_le16(2);
@@ -6022,7 +6022,7 @@ CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon,
        inc_rfc1001_len(pSMB, byte_count);
        pSMB->ByteCount = cpu_to_le16(byte_count);
-        cifs_fill_unix_set_info(data_offset, args);
+        cifs_fill_unix_set_info((FILE_UNIX_BASIC_INFO *)data_offset, args);
        rc = SendReceiveNoRsp(xid, tcon->ses, (char *) pSMB, 0);
        if (rc)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 302a15c505a9..d81e933a796b 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1565,8 +1565,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
                        /* Obtain the value string */
                        value = strchr(data, '=');
-                        if (value != NULL)
+                        value++;
-                                *value++ = '\0';
                        /* Set tmp_end to end of the string */
                        tmp_end = (char *) value + strlen(value);
@@ -1649,6 +1648,13 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
                                goto cifs_parse_mount_err;
                        }
+                        vol->UNC = kmalloc(temp_len+1, GFP_KERNEL);
+                        if (vol->UNC == NULL) {
+                                printk(KERN_WARNING "CIFS: no memory for UNC\n");
+                                goto cifs_parse_mount_err;
+                        }
+                        strcpy(vol->UNC, string);
                        if (strncmp(string, "//", 2) == 0) {
                                vol->UNC[0] = '\\';
                                vol->UNC[1] = '\\';
@@ -1658,13 +1664,6 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
                                goto cifs_parse_mount_err;
                        }
-                        vol->UNC = kmalloc(temp_len+1, GFP_KERNEL);
-                        if (vol->UNC == NULL) {
-                                printk(KERN_WARNING "CIFS: no memory "
-                                                    "for UNC\n");
-                                goto cifs_parse_mount_err;
-                        }
-                        strcpy(vol->UNC, string);
                        break;
                case Opt_domain:
                        string = match_strdup(args);
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 460d87b7cda0..fae765dac934 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -835,13 +835,21 @@ cifs_posix_lock_set(struct file *file, struct file_lock *flock)
        if ((flock->fl_flags & FL_POSIX) == 0)
                return rc;
+try_again:
        mutex_lock(&cinode->lock_mutex);
        if (!cinode->can_cache_brlcks) {
                mutex_unlock(&cinode->lock_mutex);
                return rc;
        }
-        rc = posix_lock_file_wait(file, flock);
+        rc = posix_lock_file(file, flock, NULL);
        mutex_unlock(&cinode->lock_mutex);
+        if (rc == FILE_LOCK_DEFERRED) {
+                rc = wait_event_interruptible(flock->fl_wait, !flock->fl_next);
+                if (!rc)
+                        goto try_again;
+                locks_delete_block(flock);
+        }
        return rc;
 }
diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c
index dd23a321bdda..581c225f7f50 100644
--- a/fs/cifs/netmisc.c
+++ b/fs/cifs/netmisc.c
@@ -197,8 +197,7 @@ cifs_convert_address(struct sockaddr *dst, const char *src, int len)
                memcpy(scope_id, pct + 1, slen);
                scope_id[slen] = '\0';
-                rc = strict_strtoul(scope_id, 0,
+                rc = kstrtouint(scope_id, 0, &s6->sin6_scope_id);
-                                        (unsigned long *)&s6->sin6_scope_id);
                rc = (rc == 0) ? 1 : 0;
        }
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 21e93605161c..5dfafdd1dbd3 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -33,18 +33,10 @@ static ssize_t default_write_file(struct file *file, const char __user *buf,
        return count;
 }
-static int default_open(struct inode *inode, struct file *file)
-{
-        if (inode->i_private)
-                file->private_data = inode->i_private;
-        return 0;
-}
 const struct file_operations debugfs_file_operations = {
        .read =         default_read_file,
        .write =        default_write_file,
-        .open =         default_open,
+        .open =         simple_open,
        .llseek =       noop_llseek,
 };
@@ -447,7 +439,7 @@ static ssize_t write_file_bool(struct file *file, const char __user *user_buf,
 static const struct file_operations fops_bool = {
        .read =         read_file_bool,
        .write =        write_file_bool,
-        .open =         default_open,
+        .open =         simple_open,
        .llseek =       default_llseek,
 };
@@ -492,7 +484,7 @@ static ssize_t read_file_blob(struct file *file, char __user *user_buf,
 static const struct file_operations fops_blob = {
        .read =         read_file_blob,
-        .open =         default_open,
+        .open =         simple_open,
        .llseek =       default_llseek,
 };
diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c
index 3dca2b39e83f..1c9b08095f98 100644
--- a/fs/dlm/debug_fs.c
+++ b/fs/dlm/debug_fs.c
@@ -609,13 +609,6 @@ static const struct file_operations format3_fops = {
 /*
 * dump lkb's on the ls_waiters list
 */
-static int waiters_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t waiters_read(struct file *file, char __user *userbuf,
                            size_t count, loff_t *ppos)
 {
@@ -644,7 +637,7 @@ static ssize_t waiters_read(struct file *file, char __user *userbuf,
 static const struct file_operations waiters_fops = {
        .owner   = THIS_MODULE,
-        .open    = waiters_open,
+        .open    = simple_open,
        .read    = waiters_read,
        .llseek  = default_llseek,
 };
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index ea251749d9d5..28cf06e4ec84 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1031,7 +1031,6 @@ static int __init init_hugetlbfs_fs(void)
        }
        error = PTR_ERR(vfsmount);
-        unregister_filesystem(&hugetlbfs_fs_type);
 out:
        kmem_cache_destroy(hugetlbfs_inode_cachep);
diff --git a/fs/libfs.c b/fs/libfs.c
index 4a0d1f06da57..358094f0433d 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -264,6 +264,13 @@ Enomem:
        return ERR_PTR(-ENOMEM);
 }
+int simple_open(struct inode *inode, struct file *file)
+{
+        if (inode->i_private)
+                file->private_data = inode->i_private;
+        return 0;
+}
 int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
 {
        struct inode *inode = old_dentry->d_inode;
@@ -984,6 +991,7 @@ EXPORT_SYMBOL(simple_dir_operations);
 EXPORT_SYMBOL(simple_empty);
 EXPORT_SYMBOL(simple_fill_super);
 EXPORT_SYMBOL(simple_getattr);
+EXPORT_SYMBOL(simple_open);
 EXPORT_SYMBOL(simple_link);
 EXPORT_SYMBOL(simple_lookup);
 EXPORT_SYMBOL(simple_pin_fs);
diff --git a/fs/locks.c b/fs/locks.c
index 637694bf3a03..0d68f1f81799 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -510,12 +510,13 @@ static void __locks_delete_block(struct file_lock *waiter)
 /*
 */
-static void locks_delete_block(struct file_lock *waiter)
+void locks_delete_block(struct file_lock *waiter)
 {
        lock_flocks();
        __locks_delete_block(waiter);
        unlock_flocks();
 }
+EXPORT_SYMBOL(locks_delete_block);
 /* Insert waiter into blocker's block list.
 * We use a circular list so that processes can be easily woken up in
diff --git a/fs/namei.c b/fs/namei.c
index 1898198abc3d..0062dd17eb55 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1407,18 +1407,9 @@ static inline int can_lookup(struct inode *inode)
 */
 #ifdef CONFIG_DCACHE_WORD_ACCESS
-#ifdef CONFIG_64BIT
+#include <asm/word-at-a-time.h>
-/*
+#ifdef CONFIG_64BIT
- * Jan Achrenius on G+: microoptimized version of
- * the simpler "(mask & ONEBYTES) * ONEBYTES >> 56"
- * that works for the bytemasks without having to
- * mask them first.
- */
-static inline long count_masked_bytes(unsigned long mask)
-{
-        return mask*0x0001020304050608ul >> 56;
-}
 static inline unsigned int fold_hash(unsigned long hash)
 {
@@ -1428,15 +1419,6 @@ static inline unsigned int fold_hash(unsigned long hash)
 #else   /* 32-bit case */
-/* Carl Chatfield / Jan Achrenius G+ version for 32-bit */
-static inline long count_masked_bytes(long mask)
-{
-        /* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */
-        long a = (0x0ff0001+mask) >> 23;
-        /* Fix the 1 for 00 case */
-        return a & mask;
-}
 #define fold_hash(x) (x)
 #endif
@@ -1464,17 +1446,6 @@ done:
 }
 EXPORT_SYMBOL(full_name_hash);
-#define REPEAT_BYTE(x)  ((~0ul / 0xff) * (x))
-#define ONEBYTES        REPEAT_BYTE(0x01)
-#define SLASHBYTES      REPEAT_BYTE('/')
-#define HIGHBITS        REPEAT_BYTE(0x80)
-/* Return the high bit set in the first byte that is a zero */
-static inline unsigned long has_zero(unsigned long a)
-{
-        return ((a - ONEBYTES) & ~a) & HIGHBITS;
-}
 /*
 * Calculate the length and hash of the path component, and
 * return the length of the component;
@@ -1490,7 +1461,7 @@ static inline unsigned long hash_name(const char *name, unsigned int *hashp)
                len += sizeof(unsigned long);
                a = *(unsigned long *)(name+len);
                /* Do we have any NUL or '/' bytes in this word? */
-                mask = has_zero(a) | has_zero(a ^ SLASHBYTES);
+                mask = has_zero(a) | has_zero(a ^ REPEAT_BYTE('/'));
        } while (!mask);
        /* The mask *below* the first high bit set */
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 46a15d8a29ca..eed44bfc85db 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -115,12 +115,13 @@ static struct dentry *proc_mount(struct file_system_type *fs_type,
        if (IS_ERR(sb))
                return ERR_CAST(sb);
+        if (!proc_parse_options(options, ns)) {
+                deactivate_locked_super(sb);
+                return ERR_PTR(-EINVAL);
+        }
        if (!sb->s_root) {
                sb->s_flags = flags;
-                if (!proc_parse_options(options, ns)) {
-                        deactivate_locked_super(sb);
-                        return ERR_PTR(-EINVAL);
-                }
                err = proc_fill_super(sb);
                if (err) {
                        deactivate_locked_super(sb);
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 50952c9bd06c..19507889bb7f 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -52,12 +52,6 @@ struct pstore_private {
        char    data[];
 };
-static int pstore_file_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t pstore_file_read(struct file *file, char __user *userbuf,
                                                size_t count, loff_t *ppos)
 {
@@ -67,7 +61,7 @@ static ssize_t pstore_file_read(struct file *file, char __user *userbuf,
 }
 static const struct file_operations pstore_file_operations = {
-        .open   = pstore_file_open,
+        .open   = simple_open,
        .read   = pstore_file_read,
        .llseek = default_llseek,
 };
diff --git a/fs/splice.c b/fs/splice.c
index 5f883de7ef3a..f8476841eb04 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -30,6 +30,7 @@
 #include <linux/uio.h>
 #include <linux/security.h>
 #include <linux/gfp.h>
+#include <linux/socket.h>
 /*
 * Attempt to steal a page from a pipe buffer. This should perhaps go into
@@ -690,7 +691,9 @@ static int pipe_to_sendpage(struct pipe_inode_info *pipe,
        if (!likely(file->f_op && file->f_op->sendpage))
                return -EINVAL;
-        more = (sd->flags & SPLICE_F_MORE) || sd->len < sd->total_len;
+        more = (sd->flags & SPLICE_F_MORE) ? MSG_MORE : 0;
+        if (sd->len < sd->total_len)
+                more |= MSG_SENDPAGE_NOTLAST;
        return file->f_op->sendpage(file, buf->page, buf->offset,
                                    sd->len, &pos, more);
 }
diff --git a/fs/xattr.c b/fs/xattr.c
index d6dfd247bb2f..3c8c1cc333c7 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -19,8 +19,9 @@
 #include <linux/export.h>
 #include <linux/fsnotify.h>
 #include <linux/audit.h>
-#include <asm/uaccess.h>
+#include <linux/vmalloc.h>
+#include <asm/uaccess.h>
 /*
 * Check permissions for extended attribute access.  This is a bit complicated
@@ -320,6 +321,7 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value,
 {
        int error;
        void *kvalue = NULL;
+        void *vvalue = NULL;    /* If non-NULL, we used vmalloc() */
        char kname[XATTR_NAME_MAX + 1];
        if (flags & ~(XATTR_CREATE|XATTR_REPLACE))
@@ -334,13 +336,25 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value,
        if (size) {
                if (size > XATTR_SIZE_MAX)
                        return -E2BIG;
-                kvalue = memdup_user(value, size);
+                kvalue = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
-                if (IS_ERR(kvalue))
+                if (!kvalue) {
-                        return PTR_ERR(kvalue);
+                        vvalue = vmalloc(size);
+                        if (!vvalue)
+                                return -ENOMEM;
+                        kvalue = vvalue;
+                }
+                if (copy_from_user(kvalue, value, size)) {
+                        error = -EFAULT;
+                        goto out;
+                }
        }
        error = vfs_setxattr(d, kname, kvalue, size, flags);
-        kfree(kvalue);
+out:
+        if (vvalue)
+                vfree(vvalue);
+        else
+                kfree(kvalue);
        return error;
 }
@@ -492,13 +506,18 @@ listxattr(struct dentry *d, char __user *list, size_t size)
 {
        ssize_t error;
        char *klist = NULL;
+        char *vlist = NULL;     /* If non-NULL, we used vmalloc() */
        if (size) {
                if (size > XATTR_LIST_MAX)
                        size = XATTR_LIST_MAX;
-                klist = kmalloc(size, GFP_KERNEL);
+                klist = kmalloc(size, __GFP_NOWARN | GFP_KERNEL);
-                if (!klist)
+                if (!klist) {
-                        return -ENOMEM;
+                        vlist = vmalloc(size);
+                        if (!vlist)
+                                return -ENOMEM;
+                        klist = vlist;
+                }
        }
        error = vfs_listxattr(d, klist, size);
@@ -510,7 +529,10 @@ listxattr(struct dentry *d, char __user *list, size_t size)
                   than XATTR_LIST_MAX bytes. Not possible. */
                error = -E2BIG;
        }
-        kfree(klist);
+        if (vlist)
+                vfree(vlist);
+        else
+                kfree(klist);
        return error;
 }
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index e1d9e0ede309..f5647b59a90e 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -896,8 +896,7 @@ static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings)
 *
 * All operations are optional (i.e. the function pointer may be set
 * to %NULL) and callers must take this into account.  Callers must
- * hold the RTNL, except that for @get_drvinfo the caller may or may
+ * hold the RTNL lock.
- * not hold the RTNL.
 *
 * See the structures used by these operations for further documentation.
 *
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 135693e79f2b..8de675523e46 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1215,6 +1215,7 @@ extern int vfs_setlease(struct file *, long, struct file_lock **);
 extern int lease_modify(struct file_lock **, int);
 extern int lock_may_read(struct inode *, loff_t start, unsigned long count);
 extern int lock_may_write(struct inode *, loff_t start, unsigned long count);
+extern void locks_delete_block(struct file_lock *waiter);
 extern void lock_flocks(void);
 extern void unlock_flocks(void);
 #else /* !CONFIG_FILE_LOCKING */
@@ -1359,6 +1360,10 @@ static inline int lock_may_write(struct inode *inode, loff_t start,
        return 1;
 }
+static inline void locks_delete_block(struct file_lock *waiter)
+{
+}
 static inline void lock_flocks(void)
 {
 }
@@ -2506,6 +2511,7 @@ extern int dcache_readdir(struct file *, void *, filldir_t);
 extern int simple_setattr(struct dentry *, struct iattr *);
 extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 extern int simple_statfs(struct dentry *, struct kstatfs *);
+extern int simple_open(struct inode *inode, struct file *file);
 extern int simple_link(struct dentry *, struct inode *, struct dentry *);
 extern int simple_unlink(struct inode *, struct dentry *);
 extern int simple_rmdir(struct inode *, struct dentry *);
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 1f77540bdc95..5cbaa20f1659 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2604,8 +2604,6 @@ extern void		net_disable_timestamp(void);
 extern void *dev_seq_start(struct seq_file *seq, loff_t *pos);
 extern void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos);
 extern void dev_seq_stop(struct seq_file *seq, void *v);
-extern int dev_seq_open_ops(struct inode *inode, struct file *file,
-                            const struct seq_operations *ops);
 #endif
 extern int netdev_class_create_file(struct class_attribute *class_attr);
diff --git a/include/linux/netfilter/xt_set.h b/include/linux/netfilter/xt_set.h
index c0405ac92870..e3a9978f259f 100644
--- a/include/linux/netfilter/xt_set.h
+++ b/include/linux/netfilter/xt_set.h
@@ -58,8 +58,8 @@ struct xt_set_info_target_v1 {
 struct xt_set_info_target_v2 {
        struct xt_set_info add_set;
        struct xt_set_info del_set;
-        u32 flags;
+        __u32 flags;
-        u32 timeout;
+        __u32 timeout;
 };
 #endif /*_XT_SET_H*/
diff --git a/include/linux/socket.h b/include/linux/socket.h
index da2d3e2543f3..b84bbd48b874 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -265,7 +265,7 @@ struct ucred {
 #define MSG_NOSIGNAL    0x4000  /* Do not generate SIGPIPE */
 #define MSG_MORE        0x8000  /* Sender will send more */
 #define MSG_WAITFORONE  0x10000 /* recvmmsg(): block until 1+ packets avail */
+#define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */
 #define MSG_EOF         MSG_FIN
 #define MSG_CMSG_CLOEXEC 0x40000000     /* Set close_on_exit for file
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 8dc0ea7caf02..b1fd5c7925fe 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -305,6 +305,13 @@ static inline int mem_cgroup_swappiness(struct mem_cgroup *mem)
        return vm_swappiness;
 }
 #endif
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+extern void mem_cgroup_uncharge_swap(swp_entry_t ent);
+#else
+static inline void mem_cgroup_uncharge_swap(swp_entry_t ent)
+{
+}
+#endif
 #ifdef CONFIG_SWAP
 /* linux/mm/page_io.c */
 extern int swap_readpage(struct page *);
@@ -375,13 +382,6 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout)
 {
 }
 #endif
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
-extern void mem_cgroup_uncharge_swap(swp_entry_t ent);
-#else
-static inline void mem_cgroup_uncharge_swap(swp_entry_t ent)
-{
-}
-#endif
 #else /* CONFIG_SWAP */
diff --git a/include/net/netfilter/xt_log.h b/include/net/netfilter/xt_log.h
index 7e1544e8f70d..9d9756cca013 100644
--- a/include/net/netfilter/xt_log.h
+++ b/include/net/netfilter/xt_log.h
@@ -47,7 +47,7 @@ static void sb_close(struct sbuff *m)
        if (likely(m != &emergency))
                kfree(m);
        else {
-                xchg(&emergency_ptr, m);
+                emergency_ptr = m;
                local_bh_enable();
        }
 }
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index cdea7b56b0c9..c0bd0308741c 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -311,13 +311,6 @@ int blk_trace_remove(struct request_queue *q)
 }
 EXPORT_SYMBOL_GPL(blk_trace_remove);
-static int blk_dropped_open(struct inode *inode, struct file *filp)
-{
-        filp->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t blk_dropped_read(struct file *filp, char __user *buffer,
                                size_t count, loff_t *ppos)
 {
@@ -331,18 +324,11 @@ static ssize_t blk_dropped_read(struct file *filp, char __user *buffer,
 static const struct file_operations blk_dropped_fops = {
        .owner =        THIS_MODULE,
-        .open =         blk_dropped_open,
+        .open =         simple_open,
        .read =         blk_dropped_read,
        .llseek =       default_llseek,
 };
-static int blk_msg_open(struct inode *inode, struct file *filp)
-{
-        filp->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t blk_msg_write(struct file *filp, const char __user *buffer,
                                size_t count, loff_t *ppos)
 {
@@ -371,7 +357,7 @@ static ssize_t blk_msg_write(struct file *filp, const char __user *buffer,
 static const struct file_operations blk_msg_fops = {
        .owner =        THIS_MODULE,
-        .open =         blk_msg_open,
+        .open =         simple_open,
        .write =        blk_msg_write,
        .llseek =       noop_llseek,
 };
diff --git a/net/core/dev.c b/net/core/dev.c
index 6c7dc9d78e10..c25d453b2803 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4028,54 +4028,41 @@ static int dev_ifconf(struct net *net, char __user *arg)
 #ifdef CONFIG_PROC_FS
-#define BUCKET_SPACE (32 - NETDEV_HASHBITS)
+#define BUCKET_SPACE (32 - NETDEV_HASHBITS - 1)
-struct dev_iter_state {
-        struct seq_net_private p;
-        unsigned int pos; /* bucket << BUCKET_SPACE + offset */
-};
 #define get_bucket(x) ((x) >> BUCKET_SPACE)
 #define get_offset(x) ((x) & ((1 << BUCKET_SPACE) - 1))
 #define set_bucket_offset(b, o) ((b) << BUCKET_SPACE | (o))
-static inline struct net_device *dev_from_same_bucket(struct seq_file *seq)
+static inline struct net_device *dev_from_same_bucket(struct seq_file *seq, loff_t *pos)
 {
-        struct dev_iter_state *state = seq->private;
        struct net *net = seq_file_net(seq);
        struct net_device *dev;
        struct hlist_node *p;
        struct hlist_head *h;
-        unsigned int count, bucket, offset;
+        unsigned int count = 0, offset = get_offset(*pos);
-        bucket = get_bucket(state->pos);
+        h = &net->dev_name_head[get_bucket(*pos)];
-        offset = get_offset(state->pos);
-        h = &net->dev_name_head[bucket];
-        count = 0;
        hlist_for_each_entry_rcu(dev, p, h, name_hlist) {
-                if (count++ == offset) {
+                if (++count == offset)
-                        state->pos = set_bucket_offset(bucket, count);
                        return dev;
-                }
        }
        return NULL;
 }
-static inline struct net_device *dev_from_new_bucket(struct seq_file *seq)
+static inline struct net_device *dev_from_bucket(struct seq_file *seq, loff_t *pos)
 {
-        struct dev_iter_state *state = seq->private;
        struct net_device *dev;
        unsigned int bucket;
-        bucket = get_bucket(state->pos);
        do {
-                dev = dev_from_same_bucket(seq);
+                dev = dev_from_same_bucket(seq, pos);
                if (dev)
                        return dev;
-                bucket++;
+                bucket = get_bucket(*pos) + 1;
-                state->pos = set_bucket_offset(bucket, 0);
+                *pos = set_bucket_offset(bucket, 1);
        } while (bucket < NETDEV_HASHENTRIES);
        return NULL;
@@ -4088,33 +4075,20 @@ static inline struct net_device *dev_from_new_bucket(struct seq_file *seq)
 void *dev_seq_start(struct seq_file *seq, loff_t *pos)
        __acquires(RCU)
 {
-        struct dev_iter_state *state = seq->private;
        rcu_read_lock();
        if (!*pos)
                return SEQ_START_TOKEN;
-        /* check for end of the hash */
+        if (get_bucket(*pos) >= NETDEV_HASHENTRIES)
-        if (state->pos == 0 && *pos > 1)
                return NULL;
-        return dev_from_new_bucket(seq);
+        return dev_from_bucket(seq, pos);
 }
 void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
-        struct net_device *dev;
        ++*pos;
+        return dev_from_bucket(seq, pos);
-        if (v == SEQ_START_TOKEN)
-                return dev_from_new_bucket(seq);
-        dev = dev_from_same_bucket(seq);
-        if (dev)
-                return dev;
-        return dev_from_new_bucket(seq);
 }
 void dev_seq_stop(struct seq_file *seq, void *v)
@@ -4213,13 +4187,7 @@ static const struct seq_operations dev_seq_ops = {
 static int dev_seq_open(struct inode *inode, struct file *file)
 {
        return seq_open_net(inode, file, &dev_seq_ops,
-                            sizeof(struct dev_iter_state));
+                            sizeof(struct seq_net_private));
-}
-int dev_seq_open_ops(struct inode *inode, struct file *file,
-                     const struct seq_operations *ops)
-{
-        return seq_open_net(inode, file, ops, sizeof(struct dev_iter_state));
 }
 static const struct file_operations dev_seq_fops = {
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index 29c07fef9228..626698f0db8b 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -696,7 +696,8 @@ static const struct seq_operations dev_mc_seq_ops = {
 static int dev_mc_seq_open(struct inode *inode, struct file *file)
 {
-        return dev_seq_open_ops(inode, file, &dev_mc_seq_ops);
+        return seq_open_net(inode, file, &dev_mc_seq_ops,
+                            sizeof(struct seq_net_private));
 }
 static const struct file_operations dev_mc_seq_fops = {
diff --git a/net/core/filter.c b/net/core/filter.c
index cf4989ac503b..6f755cca4520 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -39,8 +39,11 @@
 #include <linux/reciprocal_div.h>
 #include <linux/ratelimit.h>
-/* No hurry in this branch */
+/* No hurry in this branch
-static void *__load_pointer(const struct sk_buff *skb, int k, unsigned int size)
+ *
+ * Exported for the bpf jit load helper.
+ */
+void *bpf_internal_load_pointer_neg_helper(const struct sk_buff *skb, int k, unsigned int size)
 {
        u8 *ptr = NULL;
@@ -59,7 +62,7 @@ static inline void *load_pointer(const struct sk_buff *skb, int k,
 {
        if (k >= 0)
                return skb_header_pointer(skb, k, size, buffer);
-        return __load_pointer(skb, k, size);
+        return bpf_internal_load_pointer_neg_helper(skb, k, size);
 }
 /**
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f223cdc75da6..baf8d281152c 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3161,6 +3161,8 @@ static void sock_rmem_free(struct sk_buff *skb)
 */
 int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb)
 {
+        int len = skb->len;
        if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
            (unsigned)sk->sk_rcvbuf)
                return -ENOMEM;
@@ -3175,7 +3177,7 @@ int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb)
        skb_queue_tail(&sk->sk_error_queue, skb);
        if (!sock_flag(sk, SOCK_DEAD))
-                sk->sk_data_ready(sk, skb->len);
+                sk->sk_data_ready(sk, len);
        return 0;
 }
 EXPORT_SYMBOL(sock_queue_err_skb);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index cfd7edda0a8e..5d54ed30e821 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -860,7 +860,7 @@ wait_for_memory:
        }
 out:
-        if (copied)
+        if (copied && !(flags & MSG_SENDPAGE_NOTLAST))
                tcp_push(sk, flags, mss_now, tp->nonagle);
        return copied;
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 16c33e308121..b2869cab2092 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2044,7 +2044,7 @@ static int ip6_mc_add_src(struct inet6_dev *idev, const struct in6_addr *pmca,
                if (!delta)
                        pmc->mca_sfcount[sfmode]--;
                for (j=0; j<i; j++)
-                        (void) ip6_mc_del1_src(pmc, sfmode, &psfsrc[i]);
+                        ip6_mc_del1_src(pmc, sfmode, &psfsrc[j]);
        } else if (isexclude != (pmc->mca_sfcount[MCAST_EXCLUDE] != 0)) {
                struct ip6_sf_list *psf;
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index cc5b7a6e7e0b..778e5916d7c3 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -15,12 +15,6 @@
 #include "rate.h"
 #include "debugfs.h"
-int mac80211_open_file_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 #define DEBUGFS_FORMAT_BUFFER_SIZE 100
 int mac80211_format_buffer(char __user *userbuf, size_t count,
@@ -50,7 +44,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf,	\
 #define DEBUGFS_READONLY_FILE_OPS(name)                 \
 static const struct file_operations name## _ops = {                     \
        .read = name## _read,                                           \
-        .open = mac80211_open_file_generic,                             \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
@@ -93,7 +87,7 @@ static ssize_t reset_write(struct file *file, const char __user *user_buf,
 static const struct file_operations reset_ops = {
        .write = reset_write,
-        .open = mac80211_open_file_generic,
+        .open = simple_open,
        .llseek = noop_llseek,
 };
@@ -254,7 +248,7 @@ static ssize_t stats_ ##name## _read(struct file *file,			\
                                                                        \
 static const struct file_operations stats_ ##name## _ops = {            \
        .read = stats_ ##name## _read,                                  \
-        .open = mac80211_open_file_generic,                             \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h
index 7c87529630f5..9be4e6d71d00 100644
--- a/net/mac80211/debugfs.h
+++ b/net/mac80211/debugfs.h
@@ -3,7 +3,6 @@
 #ifdef CONFIG_MAC80211_DEBUGFS
 extern void debugfs_hw_add(struct ieee80211_local *local);
-extern int mac80211_open_file_generic(struct inode *inode, struct file *file);
 extern int mac80211_format_buffer(char __user *userbuf, size_t count,
                                  loff_t *ppos, char *fmt, ...);
 #else
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 59edcd95a58d..7932767bb482 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -30,7 +30,7 @@ static ssize_t key_##name##_read(struct file *file,			\
 #define KEY_OPS(name)                                                   \
 static const struct file_operations key_ ##name## _ops = {              \
        .read = key_##name##_read,                                      \
-        .open = mac80211_open_file_generic,                             \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 }
@@ -45,7 +45,7 @@ static const struct file_operations key_ ##name## _ops = {		\
 #define KEY_CONF_OPS(name)                                              \
 static const struct file_operations key_ ##name## _ops = {              \
        .read = key_conf_##name##_read,                                 \
-        .open = mac80211_open_file_generic,                             \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 }
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index a32eeda04aa3..30f99c344847 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -135,7 +135,7 @@ static ssize_t ieee80211_if_read_##name(struct file *file,		\
 static const struct file_operations name##_ops = {                      \
        .read = ieee80211_if_read_##name,                               \
        .write = (_write),                                              \
-        .open = mac80211_open_file_generic,                             \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 }
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 6d45804d09bc..832b2da5e4cd 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -33,7 +33,7 @@ static ssize_t sta_ ##name## _read(struct file *file,			\
 #define STA_OPS(name)                                                   \
 static const struct file_operations sta_ ##name## _ops = {              \
        .read = sta_##name##_read,                                      \
-        .open = mac80211_open_file_generic,                             \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 }
@@ -41,7 +41,7 @@ static const struct file_operations sta_ ##name## _ops = {		\
 static const struct file_operations sta_ ##name## _ops = {              \
        .read = sta_##name##_read,                                      \
        .write = sta_##name##_write,                                    \
-        .open = mac80211_open_file_generic,                             \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 }
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index b4f7600a3e36..3313c117b322 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -145,7 +145,7 @@ static ssize_t rcname_read(struct file *file, char __user *userbuf,
 static const struct file_operations rcname_ops = {
        .read = rcname_read,
-        .open = mac80211_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
 #endif
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index cbdb754dbb10..3cc4487ac349 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -735,6 +735,7 @@ __nf_conntrack_alloc(struct net *net, u16 zone,
 #ifdef CONFIG_NF_CONNTRACK_ZONES
 out_free:
+        atomic_dec(&net->ct.count);
        kmem_cache_free(net->ct.nf_conntrack_cachep, ct);
        return ERR_PTR(-ENOMEM);
 #endif
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 0c8e43810ce3..59530e93fa58 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -150,6 +150,17 @@ err1:
        return ret;
 }
+#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
+static void __xt_ct_tg_timeout_put(struct ctnl_timeout *timeout)
+{
+        typeof(nf_ct_timeout_put_hook) timeout_put;
+        timeout_put = rcu_dereference(nf_ct_timeout_put_hook);
+        if (timeout_put)
+                timeout_put(timeout);
+}
+#endif
 static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
 {
        struct xt_ct_target_info_v1 *info = par->targinfo;
@@ -158,7 +169,9 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
        struct nf_conn *ct;
        int ret = 0;
        u8 proto;
+#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
+        struct ctnl_timeout *timeout;
+#endif
        if (info->flags & ~XT_CT_NOTRACK)
                return -EINVAL;
@@ -216,7 +229,6 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
 #ifdef CONFIG_NF_CONNTRACK_TIMEOUT
        if (info->timeout) {
                typeof(nf_ct_timeout_find_get_hook) timeout_find_get;
-                struct ctnl_timeout *timeout;
                struct nf_conn_timeout *timeout_ext;
                rcu_read_lock();
@@ -245,7 +257,7 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
                                pr_info("Timeout policy `%s' can only be "
                                        "used by L3 protocol number %d\n",
                                        info->timeout, timeout->l3num);
-                                goto err4;
+                                goto err5;
                        }
                        /* Make sure the timeout policy matches any existing
                         * protocol tracker, otherwise default to generic.
@@ -258,13 +270,13 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
                                        "used by L4 protocol number %d\n",
                                        info->timeout,
                                        timeout->l4proto->l4proto);
-                                goto err4;
+                                goto err5;
                        }
                        timeout_ext = nf_ct_timeout_ext_add(ct, timeout,
-                                                            GFP_KERNEL);
+                                                            GFP_ATOMIC);
                        if (timeout_ext == NULL) {
                                ret = -ENOMEM;
-                                goto err4;
+                                goto err5;
                        }
                } else {
                        ret = -ENOENT;
@@ -281,8 +293,12 @@ out:
        info->ct = ct;
        return 0;
+#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
+err5:
+        __xt_ct_tg_timeout_put(timeout);
 err4:
        rcu_read_unlock();
+#endif
 err3:
        nf_conntrack_free(ct);
 err2:
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 32bb75324e76..faa48f70b7c9 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -829,12 +829,19 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb,
        return 0;
 }
-int netlink_sendskb(struct sock *sk, struct sk_buff *skb)
+static int __netlink_sendskb(struct sock *sk, struct sk_buff *skb)
 {
        int len = skb->len;
        skb_queue_tail(&sk->sk_receive_queue, skb);
        sk->sk_data_ready(sk, len);
+        return len;
+}
+int netlink_sendskb(struct sock *sk, struct sk_buff *skb)
+{
+        int len = __netlink_sendskb(sk, skb);
        sock_put(sk);
        return len;
 }
@@ -957,8 +964,7 @@ static int netlink_broadcast_deliver(struct sock *sk, struct sk_buff *skb)
        if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf &&
            !test_bit(0, &nlk->state)) {
                skb_set_owner_r(skb, sk);
-                skb_queue_tail(&sk->sk_receive_queue, skb);
+                __netlink_sendskb(sk, skb);
-                sk->sk_data_ready(sk, skb->len);
                return atomic_read(&sk->sk_rmem_alloc) > (sk->sk_rcvbuf >> 1);
        }
        return -1;
@@ -1698,10 +1704,8 @@ static int netlink_dump(struct sock *sk)
                if (sk_filter(sk, skb))
                        kfree_skb(skb);
-                else {
+                else
-                        skb_queue_tail(&sk->sk_receive_queue, skb);
+                        __netlink_sendskb(sk, skb);
-                        sk->sk_data_ready(sk, skb->len);
-                }
                return 0;
        }
@@ -1715,10 +1719,8 @@ static int netlink_dump(struct sock *sk)
        if (sk_filter(sk, skb))
                kfree_skb(skb);
-        else {
+        else
-                skb_queue_tail(&sk->sk_receive_queue, skb);
+                __netlink_sendskb(sk, skb);
-                sk->sk_data_ready(sk, skb->len);
-        }
        if (cb->done)
                cb->done(cb);
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 9f60008740e3..9726fe684ab8 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -1130,6 +1130,9 @@ static int pep_sendmsg(struct kiocb *iocb, struct sock *sk,
        int flags = msg->msg_flags;
        int err, done;
+        if (len > USHRT_MAX)
+                return -EMSGSIZE;
        if ((msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_NOSIGNAL|
                                MSG_CMSG_COMPAT)) ||
                        !(msg->msg_flags & MSG_EOR))
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 06b42b7f5a02..92ba71dfe080 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4133,9 +4133,10 @@ static int sctp_getsockopt_disable_fragments(struct sock *sk, int len,
 static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval,
                                  int __user *optlen)
 {
-        if (len < sizeof(struct sctp_event_subscribe))
+        if (len <= 0)
                return -EINVAL;
-        len = sizeof(struct sctp_event_subscribe);
+        if (len > sizeof(struct sctp_event_subscribe))
+                len = sizeof(struct sctp_event_subscribe);
        if (put_user(len, optlen))
                return -EFAULT;
        if (copy_to_user(optval, &sctp_sk(sk)->subscribe, len))
diff --git a/net/socket.c b/net/socket.c
index 484cc6953fc6..851edcd6b098 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -811,9 +811,9 @@ static ssize_t sock_sendpage(struct file *file, struct page *page,
        sock = file->private_data;
-        flags = !(file->f_flags & O_NONBLOCK) ? 0 : MSG_DONTWAIT;
+        flags = (file->f_flags & O_NONBLOCK) ? MSG_DONTWAIT : 0;
-        if (more)
+        /* more is a combination of MSG_MORE and MSG_SENDPAGE_NOTLAST */
-                flags |= MSG_MORE;
+        flags |= more;
        return kernel_sendpage(sock, page, offset, size, flags);
 }
diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c
index 39765bcfb472..920cabe0461b 100644
--- a/net/wireless/debugfs.c
+++ b/net/wireless/debugfs.c
@@ -13,12 +13,6 @@
 #include "core.h"
 #include "debugfs.h"
-static int cfg80211_open_file_generic(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)              \
 static ssize_t name## _read(struct file *file, char __user *userbuf,    \
                            size_t count, loff_t *ppos)                 \
@@ -33,7 +27,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf,	\
                                                                        \
 static const struct file_operations name## _ops = {                     \
        .read = name## _read,                                           \
-        .open = cfg80211_open_file_generic,                             \
+        .open = simple_open,                                            \
        .llseek = generic_file_llseek,                                  \
 };
@@ -102,7 +96,7 @@ static ssize_t ht40allow_map_read(struct file *file,
 static const struct file_operations ht40allow_map_ops = {
        .read = ht40allow_map_read,
-        .open = cfg80211_open_file_generic,
+        .open = simple_open,
        .llseek = default_llseek,
 };
diff --git a/scripts/coccinelle/api/simple_open.cocci b/scripts/coccinelle/api/simple_open.cocci
new file mode 100644
index 000000000000..05962f7be155
--- /dev/null
+++ b/scripts/coccinelle/api/simple_open.cocci
@@ -0,0 +1,70 @@
+/// This removes an open coded simple_open() function
+/// and replaces file operations references to the function
+/// with simple_open() instead.
+///
+// Confidence: High
+// Comments:
+// Options: -no_includes -include_headers
+virtual patch
+virtual report
+@ open depends on patch @
+identifier open_f != simple_open;
+identifier i, f;
+@@
+-int open_f(struct inode *i, struct file *f)
+-{
+(
+-if (i->i_private)
+-f->private_data = i->i_private;
+|
+-f->private_data = i->i_private;
+)
+-return 0;
+-}
+@ has_open depends on open @
+identifier fops;
+identifier open.open_f;
+@@
+struct file_operations fops = {
+...,
+-.open = open_f,
+.open = simple_open,
+...
+};
+@ openr depends on report @
+identifier open_f != simple_open;
+identifier i, f;
+position p;
+@@
+int open_f@p(struct inode *i, struct file *f)
+{
+(
+if (i->i_private)
+f->private_data = i->i_private;
+|
+f->private_data = i->i_private;
+)
+return 0;
+}
+@ has_openr depends on openr @
+identifier fops;
+identifier openr.open_f;
+position p;
+@@
+struct file_operations fops = {
+...,
+.open = open_f@p,
+...
+};
+@script:python@
+pf << openr.p;
+ps << has_openr.p;
+@@
+coccilib.report.print_report(pf[0],"WARNING opportunity for simple_open, see also structure on line %s"%(ps[0].line))
diff --git a/sound/soc/imx/imx-audmux.c b/sound/soc/imx/imx-audmux.c
index 601df809a26a..1765a197acb0 100644
--- a/sound/soc/imx/imx-audmux.c
+++ b/sound/soc/imx/imx-audmux.c
@@ -40,12 +40,6 @@ static void __iomem *audmux_base;
 #ifdef CONFIG_DEBUG_FS
 static struct dentry *audmux_debugfs_root;
-static int audmux_open_file(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 /* There is an annoying discontinuity in the SSI numbering with regard
 * to the Linux number of the devices */
 static const char *audmux_port_string(int port)
@@ -142,7 +136,7 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf,
 }
 static const struct file_operations audmux_debugfs_fops = {
-        .open = audmux_open_file,
+        .open = simple_open,
        .read = audmux_read_file,
        .llseek = default_llseek,
 };
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index a4deebc0801a..e19c24ade414 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -201,12 +201,6 @@ static ssize_t pmdown_time_set(struct device *dev,
 static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set);
 #ifdef CONFIG_DEBUG_FS
-static int codec_reg_open_file(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf,
                                   size_t count, loff_t *ppos)
 {
@@ -264,7 +258,7 @@ static ssize_t codec_reg_write_file(struct file *file,
 }
 static const struct file_operations codec_reg_fops = {
-        .open = codec_reg_open_file,
+        .open = simple_open,
        .read = codec_reg_read_file,
        .write = codec_reg_write_file,
        .llseek = default_llseek,
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 6241490fff30..5cbd2d7623b8 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1544,12 +1544,6 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
 }
 #ifdef CONFIG_DEBUG_FS
-static int dapm_widget_power_open_file(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t dapm_widget_power_read_file(struct file *file,
                                           char __user *user_buf,
                                           size_t count, loff_t *ppos)
@@ -1613,17 +1607,11 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
 }
 static const struct file_operations dapm_widget_power_fops = {
-        .open = dapm_widget_power_open_file,
+        .open = simple_open,
        .read = dapm_widget_power_read_file,
        .llseek = default_llseek,
 };
-static int dapm_bias_open_file(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 static ssize_t dapm_bias_read_file(struct file *file, char __user *user_buf,
                                   size_t count, loff_t *ppos)
 {
@@ -1654,7 +1642,7 @@ static ssize_t dapm_bias_read_file(struct file *file, char __user *user_buf,
 }
 static const struct file_operations dapm_bias_fops = {
-        .open = dapm_bias_open_file,
+        .open = simple_open,
        .read = dapm_bias_read_file,
        .llseek = default_llseek,
 };