diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block
index 2b5d561..c1eb41c 100644
--- a/Documentation/ABI/testing/sysfs-block
+++ b/Documentation/ABI/testing/sysfs-block
@@ -206,16 +206,3 @@
 		when a discarded area is read the discard_zeroes_data
 		parameter will be set to one. Otherwise it will be 0 and
 		the result of reading a discarded area is undefined.
-What:		/sys/block/<disk>/alias
-Date:		Aug 2011
-Contact:	Nao Nishijima <nao.nishijima.xt@hitachi.com>
-Description:
-		A raw device name of a disk does not always point a same disk
-		each boot-up time. Therefore, users have to use persistent
-		device names, which udev creates when the kernel finds a disk,
-		instead of raw device name. However, kernel doesn't show those
-		persistent names on its messages (e.g. dmesg).
-		This file can store an alias of the disk and it would be
-		appeared in kernel messages if it is set. A disk can have an
-		alias which length is up to 255bytes. Users can use alphabets,
-		numbers, "-" and "_" in alias name. This file is writeonce.
diff --git a/Documentation/DocBook/uio-howto.tmpl b/Documentation/DocBook/uio-howto.tmpl
index 54883de..ac3d001 100644
--- a/Documentation/DocBook/uio-howto.tmpl
+++ b/Documentation/DocBook/uio-howto.tmpl
@@ -521,6 +521,11 @@
 
 <itemizedlist>
 <listitem><para>
+<varname>const char *name</varname>: Optional. Set this to help identify
+the memory region, it will show up in the corresponding sysfs node.
+</para></listitem>
+
+<listitem><para>
 <varname>int memtype</varname>: Required if the mapping is used. Set this to
 <varname>UIO_MEM_PHYS</varname> if you you have physical memory on your
 card to be mapped. Use <varname>UIO_MEM_LOGICAL</varname> for logical
@@ -553,7 +558,7 @@
 </itemizedlist>
 
 <para>
-Please do not touch the <varname>kobj</varname> element of
+Please do not touch the <varname>map</varname> element of
 <varname>struct uio_mem</varname>! It is used by the UIO framework
 to set up sysfs files for this mapping. Simply leave it alone.
 </para>
diff --git a/Documentation/blockdev/cciss.txt b/Documentation/blockdev/cciss.txt
index 71464e0..b79d0a1 100644
--- a/Documentation/blockdev/cciss.txt
+++ b/Documentation/blockdev/cciss.txt
@@ -98,14 +98,12 @@
 "SCSI support" in your kernel configuration to be able to use SCSI
 tape drives with your Smart Array 5xxx controller.
 
-Additionally, note that the driver will not engage the SCSI core at init 
-time.  The driver must be directed to dynamically engage the SCSI core via 
-the /proc filesystem entry which the "block" side of the driver creates as 
-/proc/driver/cciss/cciss* at runtime.  This is because at driver init time, 
-the SCSI core may not yet be initialized (because the driver is a block 
-driver) and attempting to register it with the SCSI core in such a case 
-would cause a hang.  This is best done via an initialization script 
-(typically in /etc/init.d, but could vary depending on distribution). 
+Additionally, note that the driver will engage the SCSI core at init
+time if any tape drives or medium changers are detected.  The driver may
+also be directed to dynamically engage the SCSI core via the /proc filesystem
+entry which the "block" side of the driver creates as
+/proc/driver/cciss/cciss* at runtime.  This is best done via a script.
+
 For example:
 
 	for x in /proc/driver/cciss/cciss[0-9]*
diff --git a/Documentation/i2c/ten-bit-addresses b/Documentation/i2c/ten-bit-addresses
index e989070..cdfe139 100644
--- a/Documentation/i2c/ten-bit-addresses
+++ b/Documentation/i2c/ten-bit-addresses
@@ -1,22 +1,24 @@
 The I2C protocol knows about two kinds of device addresses: normal 7 bit
 addresses, and an extended set of 10 bit addresses. The sets of addresses
 do not intersect: the 7 bit address 0x10 is not the same as the 10 bit
-address 0x10 (though a single device could respond to both of them). You
-select a 10 bit address by adding an extra byte after the address
-byte:
-  S Addr7 Rd/Wr ....
-becomes
-  S 11110 Addr10 Rd/Wr
-S is the start bit, Rd/Wr the read/write bit, and if you count the number
-of bits, you will see the there are 8 after the S bit for 7 bit addresses,
-and 16 after the S bit for 10 bit addresses.
+address 0x10 (though a single device could respond to both of them).
 
-WARNING! The current 10 bit address support is EXPERIMENTAL. There are
-several places in the code that will cause SEVERE PROBLEMS with 10 bit
-addresses, even though there is some basic handling and hooks. Also,
-almost no supported adapter handles the 10 bit addresses correctly.
+I2C messages to and from 10-bit address devices have a different format.
+See the I2C specification for the details.
 
-As soon as a real 10 bit address device is spotted 'in the wild', we
-can and will add proper support. Right now, 10 bit address devices
-are defined by the I2C protocol, but we have never seen a single device
-which supports them.
+The current 10 bit address support is minimal. It should work, however
+you can expect some problems along the way:
+* Not all bus drivers support 10-bit addresses. Some don't because the
+  hardware doesn't support them (SMBus doesn't require 10-bit address
+  support for example), some don't because nobody bothered adding the
+  code (or it's there but not working properly.) Software implementation
+  (i2c-algo-bit) is known to work.
+* Some optional features do not support 10-bit addresses. This is the
+  case of automatic detection and instantiation of devices by their,
+  drivers, for example.
+* Many user-space packages (for example i2c-tools) lack support for
+  10-bit addresses.
+
+Note that 10-bit address devices are still pretty rare, so the limitations
+listed above could stay for a long time, maybe even forever if nobody
+needs them to be fixed.
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index cb7f314..f049a1c 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -20,7 +20,7 @@
 	default FALSE
 
 min_pmtu - INTEGER
-	default 562 - minimum discovered Path MTU
+	default 552 - minimum discovered Path MTU
 
 route/max_size - INTEGER
 	Maximum number of routes allowed in the kernel.  Increase
diff --git a/Documentation/serial/serial-rs485.txt b/Documentation/serial/serial-rs485.txt
index 079cb3d..41c8378 100644
--- a/Documentation/serial/serial-rs485.txt
+++ b/Documentation/serial/serial-rs485.txt
@@ -97,15 +97,23 @@
 
 	struct serial_rs485 rs485conf;
 
-	/* Set RS485 mode: */
+	/* Enable RS485 mode: */
 	rs485conf.flags |= SER_RS485_ENABLED;
 
+	/* Set logical level for RTS pin equal to 1 when sending: */
+	rs485conf.flags |= SER_RS485_RTS_ON_SEND;
+	/* or, set logical level for RTS pin equal to 0 when sending: */
+	rs485conf.flags &= ~(SER_RS485_RTS_ON_SEND);
+
+	/* Set logical level for RTS pin equal to 1 after sending: */
+	rs485conf.flags |= SER_RS485_RTS_AFTER_SEND;
+	/* or, set logical level for RTS pin equal to 0 after sending: */
+	rs485conf.flags &= ~(SER_RS485_RTS_AFTER_SEND);
+
 	/* Set rts delay before send, if needed: */
-	rs485conf.flags |= SER_RS485_RTS_BEFORE_SEND;
 	rs485conf.delay_rts_before_send = ...;
 
 	/* Set rts delay after send, if needed: */
-	rs485conf.flags |= SER_RS485_RTS_AFTER_SEND;
 	rs485conf.delay_rts_after_send = ...;
 
 	/* Set this flag if you want to receive data even whilst sending data */
diff --git a/Documentation/sound/alsa/HD-Audio.txt b/Documentation/sound/alsa/HD-Audio.txt
index 03e2771..91fee3b 100644
--- a/Documentation/sound/alsa/HD-Audio.txt
+++ b/Documentation/sound/alsa/HD-Audio.txt
@@ -579,7 +579,7 @@
 ~~~~~~~~~~~~~~~~
 The latest development codes for HD-audio are found on sound git tree:
 
-- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git
+- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
 
 The master branch or for-next branches can be used as the main
 development branches in general while the HD-audio specific patches
@@ -594,7 +594,7 @@
 install(-modules).  See INSTALL in the package.  The snapshot tarballs
 are found at:
 
-- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/
+- ftp://ftp.suse.com/pub/people/tiwai/snapshot/
 
 
 Sending a Bug Report
@@ -696,7 +696,7 @@
 
 The hda-verb program is found in the ftp directory:
 
-- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/
+- ftp://ftp.suse.com/pub/people/tiwai/misc/
 
 Also a git repository is available:
 
@@ -764,7 +764,7 @@
 
 The package is found in:
 
-- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/
+- ftp://ftp.suse.com/pub/people/tiwai/misc/
 
 A git repository is available:
 
diff --git a/MAINTAINERS b/MAINTAINERS
index 8962427..66c1304 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1797,6 +1797,14 @@
 F:	net/wireless/*
 X:	net/wireless/wext*
 
+CHAR and MISC DRIVERS
+M:	Arnd Bergmann <arnd@arndb.de>
+M:	Greg Kroah-Hartman <greg@kroah.com>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
+S:	Maintained
+F:	drivers/char/*
+F:	drivers/misc/*
+
 CHECKPATCH
 M:	Andy Whitcroft <apw@canonical.com>
 S:	Supported
@@ -1935,9 +1943,11 @@
 F:	drivers/connector/
 
 CONTROL GROUPS (CGROUPS)
-M:	Paul Menage <paul@paulmenage.org>
+M:	Tejun Heo <tj@kernel.org>
 M:	Li Zefan <lizf@cn.fujitsu.com>
 L:	containers@lists.linux-foundation.org
+L:	cgroups@vger.kernel.org
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
 S:	Maintained
 F:	include/linux/cgroup*
 F:	kernel/cgroup*
@@ -2592,7 +2602,7 @@
 F:	drivers/net/ethernet/i825xx/eexpress.*
 
 ETHERNET BRIDGE
-M:	Stephen Hemminger <shemminger@linux-foundation.org>
+M:	Stephen Hemminger <shemminger@vyatta.com>
 L:	bridge@lists.linux-foundation.org
 L:	netdev@vger.kernel.org
 W:	http://www.linuxfoundation.org/en/Net:Bridge
@@ -3726,7 +3736,7 @@
 F:	include/linux/jbd2.h
 
 JSM Neo PCI based serial card
-M:	Breno Leitao <leitao@linux.vnet.ibm.com>
+M:	Lucas Tavares <lucaskt@linux.vnet.ibm.com>
 L:	linux-serial@vger.kernel.org
 S:	Maintained
 F:	drivers/tty/serial/jsm/
@@ -4312,6 +4322,7 @@
 M:	Balbir Singh <bsingharora@gmail.com>
 M:	Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
 M:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
+L:	cgroups@vger.kernel.org
 L:	linux-mm@kvack.org
 S:	Maintained
 F:	mm/memcontrol.c
@@ -4345,7 +4356,7 @@
 M:	Ralf Baechle <ralf@linux-mips.org>
 L:	linux-mips@linux-mips.org
 W:	http://www.linux-mips.org/
-T:	git git://git.linux-mips.org/pub/scm/linux.git
+T:	git git://git.linux-mips.org/pub/scm/ralf/linux.git
 Q:	http://patchwork.linux-mips.org/project/linux-mips/list/
 S:	Supported
 F:	Documentation/mips/
@@ -4478,7 +4489,7 @@
 F:	drivers/infiniband/hw/nes/
 
 NETEM NETWORK EMULATOR
-M:	Stephen Hemminger <shemminger@linux-foundation.org>
+M:	Stephen Hemminger <shemminger@vyatta.com>
 L:	netem@lists.linux-foundation.org
 S:	Maintained
 F:	net/sched/sch_netem.c
@@ -4955,7 +4966,7 @@
 F:	include/linux/ppdev.h
 
 PARAVIRT_OPS INTERFACE
-M:	Jeremy Fitzhardinge <jeremy@xensource.com>
+M:	Jeremy Fitzhardinge <jeremy@goop.org>
 M:	Chris Wright <chrisw@sous-sol.org>
 M:	Alok Kataria <akataria@vmware.com>
 M:	Rusty Russell <rusty@rustcorp.com.au>
@@ -5993,7 +6004,7 @@
 F:	drivers/usb/misc/sisusbvga/
 
 SKGE, SKY2 10/100/1000 GIGABIT ETHERNET DRIVERS
-M:	Stephen Hemminger <shemminger@linux-foundation.org>
+M:	Stephen Hemminger <shemminger@vyatta.com>
 L:	netdev@vger.kernel.org
 S:	Maintained
 F:	drivers/net/ethernet/marvell/sk*
@@ -7407,8 +7418,8 @@
 F:	arch/x86/kernel/cpu/mcheck/*
 
 XEN HYPERVISOR INTERFACE
-M:	Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
 M:	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
+M:	Jeremy Fitzhardinge <jeremy@goop.org>
 L:	xen-devel@lists.xensource.com (moderated for non-subscribers)
 L:	virtualization@lists.linux-foundation.org
 S:	Supported
@@ -7441,7 +7452,8 @@
 
 XFS FILESYSTEM
 P:	Silicon Graphics Inc
-M:	Alex Elder <aelder@sgi.com>
+M:	Ben Myers <bpm@sgi.com>
+M:	Alex Elder <elder@kernel.org>
 M:	xfs-masters@oss.sgi.com
 L:	xfs@oss.sgi.com
 W:	http://oss.sgi.com/projects/xfs
diff --git a/Makefile b/Makefile
index dab8610..3a8f064 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 2
 SUBLEVEL = 0
-EXTRAVERSION = -rc2
+EXTRAVERSION = -rc3
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index 176062a..5df26a9 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -65,6 +65,8 @@
 
 $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
 
+clean-files := *.dtb
+
 quiet_cmd_uimage = UIMAGE  $@
       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
 		   -C none -a $(LOADADDR) -e $(STARTADDR) \
diff --git a/arch/arm/configs/u300_defconfig b/arch/arm/configs/u300_defconfig
index 4a5a126..374000e 100644
--- a/arch/arm/configs/u300_defconfig
+++ b/arch/arm/configs/u300_defconfig
@@ -14,8 +14,6 @@
 CONFIG_ARCH_U300=y
 CONFIG_MACH_U300=y
 CONFIG_MACH_U300_BS335=y
-CONFIG_MACH_U300_DUAL_RAM=y
-CONFIG_U300_DEBUG=y
 CONFIG_MACH_U300_SPIDUMMY=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
@@ -26,19 +24,21 @@
 CONFIG_CMDLINE="root=/dev/ram0 rw rootfstype=rootfs console=ttyAMA0,115200n8 lpj=515072"
 CONFIG_CPU_IDLE=y
 CONFIG_FPE_NWFPE=y
-CONFIG_PM=y
 # CONFIG_SUSPEND is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_MISC_DEVICES is not set
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_FSMC=y
 # CONFIG_INPUT_MOUSEDEV is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_KEYBOARD_ATKBD is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_SERIO is not set
+CONFIG_LEGACY_PTY_COUNT=16
 CONFIG_SERIAL_AMBA_PL011=y
 CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
-CONFIG_LEGACY_PTY_COUNT=16
 # CONFIG_HW_RANDOM is not set
 CONFIG_I2C=y
 # CONFIG_HWMON is not set
@@ -51,6 +51,7 @@
 # CONFIG_HID_SUPPORT is not set
 # CONFIG_USB_SUPPORT is not set
 CONFIG_MMC=y
+CONFIG_MMC_CLKGATE=y
 CONFIG_MMC_ARMMMCI=y
 CONFIG_RTC_CLASS=y
 # CONFIG_RTC_HCTOSYS is not set
@@ -65,10 +66,8 @@
 CONFIG_NLS_ISO8859_1=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_FS=y
-CONFIG_DEBUG_KERNEL=y
 # CONFIG_SCHED_DEBUG is not set
 CONFIG_TIMER_STATS=y
 # CONFIG_DEBUG_PREEMPT is not set
 CONFIG_DEBUG_INFO=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_CRC32 is not set
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index 97d31a4..2d7b6e7 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig
@@ -10,7 +10,7 @@
 CONFIG_ARCH_U8500=y
 CONFIG_UX500_SOC_DB5500=y
 CONFIG_UX500_SOC_DB8500=y
-CONFIG_MACH_U8500=y
+CONFIG_MACH_HREFV60=y
 CONFIG_MACH_SNOWBALL=y
 CONFIG_MACH_U5500=y
 CONFIG_NO_HZ=y
@@ -24,6 +24,7 @@
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_VFP=y
 CONFIG_NEON=y
+CONFIG_PM_RUNTIME=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -41,11 +42,8 @@
 CONFIG_AB8500_PWM=y
 CONFIG_SENSORS_BH1780=y
 CONFIG_NETDEVICES=y
-CONFIG_SMSC_PHY=y
-CONFIG_NET_ETHERNET=y
 CONFIG_SMSC911X=y
-# CONFIG_NETDEV_1000 is not set
-# CONFIG_NETDEV_10000 is not set
+CONFIG_SMSC_PHY=y
 # CONFIG_WLAN is not set
 # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
 CONFIG_INPUT_EVDEV=y
@@ -72,15 +70,12 @@
 CONFIG_SPI_PL022=y
 CONFIG_GPIO_STMPE=y
 CONFIG_GPIO_TC3589X=y
-# CONFIG_HWMON is not set
 CONFIG_MFD_STMPE=y
 CONFIG_MFD_TC3589X=y
+CONFIG_AB5500_CORE=y
 CONFIG_AB8500_CORE=y
 CONFIG_REGULATOR_AB8500=y
 # CONFIG_HID_SUPPORT is not set
-CONFIG_USB_MUSB_HDRC=y
-CONFIG_USB_GADGET_MUSB_HDRC=y
-CONFIG_MUSB_PIO_ONLY=y
 CONFIG_USB_GADGET=y
 CONFIG_AB8500_USB=y
 CONFIG_MMC=y
@@ -97,6 +92,7 @@
 CONFIG_STE_DMA40=y
 CONFIG_STAGING=y
 CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4=y
+CONFIG_HSEM_U8500=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT2_FS_POSIX_ACL=y
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index 1db1143..7df239b 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -20,6 +20,8 @@
 #ifndef __ASM_ARM_HARDWARE_L2X0_H
 #define __ASM_ARM_HARDWARE_L2X0_H
 
+#include <linux/errno.h>
+
 #define L2X0_CACHE_ID			0x000
 #define L2X0_CACHE_TYPE			0x004
 #define L2X0_CTRL			0x100
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 7d19425..2b0efc3 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -13,6 +13,7 @@
 struct tag;
 struct meminfo;
 struct sys_timer;
+struct pt_regs;
 
 struct machine_desc {
 	unsigned int		nr;		/* architecture number	*/
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index c60a294..4a11237 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -402,6 +402,8 @@
 #define __NR_syncfs			(__NR_SYSCALL_BASE+373)
 #define __NR_sendmmsg			(__NR_SYSCALL_BASE+374)
 #define __NR_setns			(__NR_SYSCALL_BASE+375)
+#define __NR_process_vm_readv		(__NR_SYSCALL_BASE+376)
+#define __NR_process_vm_writev		(__NR_SYSCALL_BASE+377)
 
 /*
  * The following SWIs are ARM private.
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 9943e9e..463ff4a 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -385,6 +385,8 @@
 		CALL(sys_syncfs)
 		CALL(sys_sendmmsg)
 /* 375 */	CALL(sys_setns)
+		CALL(sys_process_vm_readv)
+		CALL(sys_process_vm_writev)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 566c54c..08c82fd 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -360,7 +360,7 @@
  *  r13 = *virtual* address to jump to upon completion
  */
 __enable_mmu:
-#ifdef CONFIG_ALIGNMENT_TRAP
+#if defined(CONFIG_ALIGNMENT_TRAP) && __LINUX_ARM_ARCH__ < 6
 	orr	r0, r0, #CR_A
 #else
 	bic	r0, r0, #CR_A
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index c1b4463..e59bbd4 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -32,24 +32,6 @@
 
 int machine_kexec_prepare(struct kimage *image)
 {
-	unsigned long page_list;
-	void *reboot_code_buffer;
-	page_list = image->head & PAGE_MASK;
-
-	reboot_code_buffer = page_address(image->control_code_page);
-
-	/* Prepare parameters for reboot_code_buffer*/
-	kexec_start_address = image->start;
-	kexec_indirection_page = page_list;
-	kexec_mach_type = machine_arch_type;
-	kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
-
-	/* copy our kernel relocation code to the control code page */
-	memcpy(reboot_code_buffer,
-	       relocate_new_kernel, relocate_new_kernel_size);
-
-	flush_icache_range((unsigned long) reboot_code_buffer,
-			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
 	return 0;
 }
 
@@ -100,14 +82,31 @@
 
 void machine_kexec(struct kimage *image)
 {
+	unsigned long page_list;
 	unsigned long reboot_code_buffer_phys;
 	void *reboot_code_buffer;
 
+
+	page_list = image->head & PAGE_MASK;
+
 	/* we need both effective and real address here */
 	reboot_code_buffer_phys =
 	    page_to_pfn(image->control_code_page) << PAGE_SHIFT;
 	reboot_code_buffer = page_address(image->control_code_page);
 
+	/* Prepare parameters for reboot_code_buffer*/
+	kexec_start_address = image->start;
+	kexec_indirection_page = page_list;
+	kexec_mach_type = machine_arch_type;
+	kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
+
+	/* copy our kernel relocation code to the control code page */
+	memcpy(reboot_code_buffer,
+	       relocate_new_kernel, relocate_new_kernel_size);
+
+
+	flush_icache_range((unsigned long) reboot_code_buffer,
+			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
 	printk(KERN_INFO "Bye!\n");
 
 	if (kexec_reinit)
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 7e7977a..3448a3f 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -461,8 +461,10 @@
 	       cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
 	       proc_arch[cpu_architecture()], cr_alignment);
 
-	sprintf(init_utsname()->machine, "%s%c", list->arch_name, ENDIANNESS);
-	sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS);
+	snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c",
+		 list->arch_name, ENDIANNESS);
+	snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c",
+		 list->elf_name, ENDIANNESS);
 	elf_hwcap = list->elf_hwcap;
 #ifndef CONFIG_ARM_THUMB
 	elf_hwcap &= ~HWCAP_THUMB;
diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c
index 43eadbc..430da12 100644
--- a/arch/arm/mach-bcmring/core.c
+++ b/arch/arm/mach-bcmring/core.c
@@ -235,7 +235,7 @@
 	 */
 	bcmring_clocksource_init();
 
-	sp804_clockevents_register(TIMER0_VA_BASE, IRQ_TIMER0, "timer0");
+	sp804_clockevents_init(TIMER0_VA_BASE, IRQ_TIMER0, "timer0");
 }
 
 struct sys_timer bcmring_timer = {
diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c
index b52b8de..f4d4d6d 100644
--- a/arch/arm/mach-bcmring/dma.c
+++ b/arch/arm/mach-bcmring/dma.c
@@ -36,6 +36,7 @@
 #include <linux/mm.h>
 #include <linux/pfn.h>
 #include <linux/atomic.h>
+#include <linux/sched.h>
 #include <mach/dma.h>
 
 /* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */
diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index 0a5b229..34bbcbf 100644
--- a/arch/arm/mach-shmobile/pm-sh7372.c
+++ b/arch/arm/mach-shmobile/pm-sh7372.c
@@ -20,6 +20,7 @@
 #include <linux/delay.h>
 #include <linux/irq.h>
 #include <linux/bitrev.h>
+#include <linux/console.h>
 #include <asm/system.h>
 #include <asm/io.h>
 #include <asm/tlbflush.h>
@@ -106,9 +107,8 @@
 	return 0;
 }
 
-static int pd_power_up(struct generic_pm_domain *genpd)
+static int __pd_power_up(struct sh7372_pm_domain *sh7372_pd, bool do_resume)
 {
-	struct sh7372_pm_domain *sh7372_pd = to_sh7372_pd(genpd);
 	unsigned int mask = 1 << sh7372_pd->bit_shift;
 	unsigned int retry_count;
 	int ret = 0;
@@ -123,13 +123,13 @@
 
 	for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {
 		if (!(__raw_readl(SWUCR) & mask))
-			goto out;
+			break;
 		if (retry_count > PSTR_RETRIES)
 			udelay(PSTR_DELAY_US);
 		else
 			cpu_relax();
 	}
-	if (__raw_readl(SWUCR) & mask)
+	if (!retry_count)
 		ret = -EIO;
 
 	if (!sh7372_pd->no_debug)
@@ -137,12 +137,17 @@
 			 mask, __raw_readl(PSTR));
 
  out:
-	if (ret == 0 && sh7372_pd->resume)
+	if (ret == 0 && sh7372_pd->resume && do_resume)
 		sh7372_pd->resume();
 
 	return ret;
 }
 
+static int pd_power_up(struct generic_pm_domain *genpd)
+{
+	 return __pd_power_up(to_sh7372_pd(genpd), true);
+}
+
 static void sh7372_a4r_suspend(void)
 {
 	sh7372_intcs_suspend();
@@ -174,7 +179,7 @@
 	genpd->active_wakeup = pd_active_wakeup;
 	genpd->power_off = pd_power_down;
 	genpd->power_on = pd_power_up;
-	genpd->power_on(&sh7372_pd->genpd);
+	__pd_power_up(sh7372_pd, false);
 }
 
 void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd,
@@ -227,11 +232,23 @@
 	.no_debug = true,
 };
 
+static void sh7372_a3sp_init(void)
+{
+	/* serial consoles make use of SCIF hardware located in A3SP,
+	 * keep such power domain on if "no_console_suspend" is set.
+	 */
+	sh7372_a3sp.stay_on = !console_suspend_enabled;
+}
+
 struct sh7372_pm_domain sh7372_a3sg = {
 	.bit_shift = 13,
 };
 
-#endif /* CONFIG_PM */
+#else /* !CONFIG_PM */
+
+static inline void sh7372_a3sp_init(void) {}
+
+#endif /* !CONFIG_PM */
 
 #if defined(CONFIG_SUSPEND) || defined(CONFIG_CPU_IDLE)
 static int sh7372_do_idle_core_standby(unsigned long unused)
@@ -465,6 +482,8 @@
 	/* do not convert A3SM, A3SP, A3SG, A4R power down into A4S */
 	__raw_writel(0, PDNSEL);
 
+	sh7372_a3sp_init();
+
 	sh7372_suspend_init();
 	sh7372_cpuidle_init();
 }
diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c
index 7a1fa6a..5b0c38a 100644
--- a/arch/arm/mach-w90x900/dev.c
+++ b/arch/arm/mach-w90x900/dev.c
@@ -422,7 +422,7 @@
 
 /* LCD controller*/
 
-static struct nuc900fb_display __initdata nuc900_lcd_info[] = {
+static struct nuc900fb_display nuc900_lcd_info[] = {
 	/* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
 	[0] = {
 		.type		= LCM_DCCS_VA_SRC_RGB565,
@@ -445,7 +445,7 @@
 	},
 };
 
-static struct nuc900fb_mach_info nuc900_fb_info __initdata = {
+static struct nuc900fb_mach_info nuc900_fb_info = {
 #if defined(CONFIG_GPM1040A0_320X240)
 	.displays		= &nuc900_lcd_info[0],
 #else
diff --git a/arch/arm/mach-w90x900/include/mach/mfp.h b/arch/arm/mach-w90x900/include/mach/mfp.h
index 94c0e71..23ef1f5 100644
--- a/arch/arm/mach-w90x900/include/mach/mfp.h
+++ b/arch/arm/mach-w90x900/include/mach/mfp.h
@@ -19,6 +19,7 @@
 extern void mfp_set_groupf(struct device *dev);
 extern void mfp_set_groupc(struct device *dev);
 extern void mfp_set_groupi(struct device *dev);
-extern void mfp_set_groupg(struct device *dev);
+extern void mfp_set_groupg(struct device *dev, const char *subname);
+extern void mfp_set_groupd(struct device *dev, const char *subname);
 
 #endif /* __ASM_ARCH_MFP_H */
diff --git a/arch/arm/mach-w90x900/include/mach/nuc900_spi.h b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h
index bd94819..2c4e0c1 100644
--- a/arch/arm/mach-w90x900/include/mach/nuc900_spi.h
+++ b/arch/arm/mach-w90x900/include/mach/nuc900_spi.h
@@ -14,7 +14,7 @@
 #ifndef __ASM_ARCH_SPI_H
 #define __ASM_ARCH_SPI_H
 
-extern void mfp_set_groupg(struct device *dev);
+extern void mfp_set_groupg(struct device *dev, const char *subname);
 
 struct nuc900_spi_info {
 	unsigned int num_cs;
diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c
index fb7fb62..9dd7461 100644
--- a/arch/arm/mach-w90x900/mfp.c
+++ b/arch/arm/mach-w90x900/mfp.c
@@ -26,10 +26,8 @@
 #define REG_MFSEL	(W90X900_VA_GCR + 0xC)
 
 #define GPSELF		(0x01 << 1)
-
 #define GPSELC		(0x03 << 2)
-#define ENKPI		(0x02 << 2)
-#define ENNAND		(0x01 << 2)
+#define GPSELD		(0x0f << 4)
 
 #define GPSELEI0	(0x01 << 26)
 #define GPSELEI1	(0x01 << 27)
@@ -37,11 +35,16 @@
 #define GPIOG0TO1	(0x03 << 14)
 #define GPIOG2TO3	(0x03 << 16)
 #define GPIOG22TO23	(0x03 << 22)
+#define GPIOG18TO20	(0x07 << 18)
 
 #define ENSPI		(0x0a << 14)
 #define ENI2C0		(0x01 << 14)
 #define ENI2C1		(0x01 << 16)
 #define ENAC97		(0x02 << 22)
+#define ENSD1		(0x02 << 18)
+#define ENSD0		(0x0a << 4)
+#define ENKPI		(0x02 << 2)
+#define ENNAND		(0x01 << 2)
 
 static DEFINE_MUTEX(mfp_mutex);
 
@@ -127,16 +130,19 @@
 }
 EXPORT_SYMBOL(mfp_set_groupi);
 
-void mfp_set_groupg(struct device *dev)
+void mfp_set_groupg(struct device *dev, const char *subname)
 {
 	unsigned long mfpen;
 	const char *dev_id;
 
-	BUG_ON(!dev);
+	BUG_ON((!dev) && (!subname));
 
 	mutex_lock(&mfp_mutex);
 
-	dev_id = dev_name(dev);
+	if (subname != NULL)
+		dev_id = subname;
+	else
+		dev_id = dev_name(dev);
 
 	mfpen = __raw_readl(REG_MFSEL);
 
@@ -152,6 +158,9 @@
 	} else if (strcmp(dev_id, "nuc900-audio") == 0) {
 		mfpen &= ~(GPIOG22TO23);
 		mfpen |= ENAC97;/*enable AC97*/
+	} else if (strcmp(dev_id, "nuc900-mmc-port1") == 0) {
+		mfpen &= ~(GPIOG18TO20);
+		mfpen |= (ENSD1 | 0x01);/*enable sd1*/
 	} else {
 		mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/
 	}
@@ -162,3 +171,30 @@
 }
 EXPORT_SYMBOL(mfp_set_groupg);
 
+void mfp_set_groupd(struct device *dev, const char *subname)
+{
+	unsigned long mfpen;
+	const char *dev_id;
+
+	BUG_ON((!dev) && (!subname));
+
+	mutex_lock(&mfp_mutex);
+
+	if (subname != NULL)
+		dev_id = subname;
+	else
+		dev_id = dev_name(dev);
+
+	mfpen = __raw_readl(REG_MFSEL);
+
+	if (strcmp(dev_id, "nuc900-mmc-port0") == 0) {
+		mfpen &= ~GPSELD;/*enable sd0*/
+		mfpen |= ENSD0;
+	} else
+		mfpen &= (~GPSELD);
+
+	__raw_writel(mfpen, REG_MFSEL);
+
+	mutex_unlock(&mfp_mutex);
+}
+EXPORT_SYMBOL(mfp_set_groupd);
diff --git a/arch/cris/arch-v10/drivers/Kconfig b/arch/cris/arch-v10/drivers/Kconfig
index 32d9086..5f2cdb3 100644
--- a/arch/cris/arch-v10/drivers/Kconfig
+++ b/arch/cris/arch-v10/drivers/Kconfig
@@ -3,7 +3,7 @@
 config ETRAX_ETHERNET
 	bool "Ethernet support"
 	depends on ETRAX_ARCH_V10
-	select NET_ETHERNET
+	select ETHERNET
 	select NET_CORE
 	select MII
 	help
diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig
index e47e9c3..de43aad 100644
--- a/arch/cris/arch-v32/drivers/Kconfig
+++ b/arch/cris/arch-v32/drivers/Kconfig
@@ -3,7 +3,7 @@
 config ETRAX_ETHERNET
 	bool "Ethernet support"
 	depends on ETRAX_ARCH_V32
-	select NET_ETHERNET
+	select ETHERNET
 	select NET_CORE
 	select MII
 	help
diff --git a/arch/microblaze/include/asm/namei.h b/arch/microblaze/include/asm/namei.h
deleted file mode 100644
index 61d60b8..0000000
--- a/arch/microblaze/include/asm/namei.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#ifndef _ASM_MICROBLAZE_NAMEI_H
-#define _ASM_MICROBLAZE_NAMEI_H
-
-#ifdef __KERNEL__
-
-/* This dummy routine maybe changed to something useful
- * for /usr/gnemul/ emulation stuff.
- * Look at asm-sparc/namei.h for details.
- */
-#define __emul_prefix() NULL
-
-#endif /* __KERNEL__ */
-
-#endif /* _ASM_MICROBLAZE_NAMEI_H */
diff --git a/arch/mips/cavium-octeon/flash_setup.c b/arch/mips/cavium-octeon/flash_setup.c
index 975c203..0a430e0 100644
--- a/arch/mips/cavium-octeon/flash_setup.c
+++ b/arch/mips/cavium-octeon/flash_setup.c
@@ -17,8 +17,6 @@
 
 static struct map_info flash_map;
 static struct mtd_info *mymtd;
-static int nr_parts;
-static struct mtd_partition *parts;
 static const char *part_probe_types[] = {
 	"cmdlinepart",
 #ifdef CONFIG_MTD_REDBOOT_PARTS
@@ -61,11 +59,8 @@
 		mymtd = do_map_probe("cfi_probe", &flash_map);
 		if (mymtd) {
 			mymtd->owner = THIS_MODULE;
-
-			nr_parts = parse_mtd_partitions(mymtd,
-							part_probe_types,
-							&parts, 0);
-			mtd_device_register(mymtd, parts, nr_parts);
+			mtd_device_parse_register(mymtd, part_probe_types,
+						  0, NULL, 0);
 		} else {
 			pr_err("Failed to register MTD device for flash\n");
 		}
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index 8b60642..efcfff4 100644
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -207,8 +207,9 @@
 	 * the other bits alone.
 	 */
 	cvmx_write_csr(CVMX_CIU_MBOX_CLRX(cvmx_get_core_num()), 0xffff);
-	if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt, IRQF_DISABLED,
-			"SMP-IPI", mailbox_interrupt)) {
+	if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt,
+			IRQF_PERCPU | IRQF_NO_THREAD, "SMP-IPI",
+			mailbox_interrupt)) {
 		panic("Cannot request_irq(OCTEON_IRQ_MBOX0)\n");
 	}
 }
diff --git a/arch/mips/emma/common/prom.c b/arch/mips/emma/common/prom.c
index 708f087..cae4225 100644
--- a/arch/mips/emma/common/prom.c
+++ b/arch/mips/emma/common/prom.c
@@ -50,7 +50,7 @@
 
 	/* arg[0] is "g", the rest is boot parameters */
 	for (i = 1; i < argc; i++) {
-		if (strlen(arcs_cmdline) + strlen(arg[i] + 1)
+		if (strlen(arcs_cmdline) + strlen(arg[i]) + 1
 		    >= sizeof(arcs_cmdline))
 			break;
 		strcat(arcs_cmdline, arg[i]);
diff --git a/arch/mips/include/asm/mach-bcm47xx/gpio.h b/arch/mips/include/asm/mach-bcm47xx/gpio.h
index 76961ca..2ef17e8 100644
--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
+++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
@@ -36,6 +36,8 @@
 	return -EINVAL;
 }
 
+#define gpio_get_value_cansleep	gpio_get_value
+
 static inline void gpio_set_value(unsigned gpio, int value)
 {
 	switch (bcm47xx_bus_type) {
@@ -54,6 +56,19 @@
 	}
 }
 
+#define gpio_set_value_cansleep gpio_set_value
+
+static inline int gpio_cansleep(unsigned gpio)
+{
+	return 0;
+}
+
+static inline int gpio_is_valid(unsigned gpio)
+{
+	return gpio < (BCM47XX_EXTIF_GPIO_LINES + BCM47XX_CHIPCO_GPIO_LINES);
+}
+
+
 static inline int gpio_direction_input(unsigned gpio)
 {
 	switch (bcm47xx_bus_type) {
@@ -137,7 +152,4 @@
 }
 
 
-/* cansleep wrappers */
-#include <asm-generic/gpio.h>
-
 #endif /* __BCM47XX_GPIO_H */
diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index ecea787..d8dad53 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -365,16 +365,18 @@
 #define __NR_syncfs			(__NR_Linux + 342)
 #define __NR_sendmmsg			(__NR_Linux + 343)
 #define __NR_setns			(__NR_Linux + 344)
+#define __NR_process_vm_readv		(__NR_Linux + 345)
+#define __NR_process_vm_writev		(__NR_Linux + 346)
 
 /*
  * Offset of the last Linux o32 flavoured syscall
  */
-#define __NR_Linux_syscalls		344
+#define __NR_Linux_syscalls		346
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 
 #define __NR_O32_Linux			4000
-#define __NR_O32_Linux_syscalls		344
+#define __NR_O32_Linux_syscalls		346
 
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 
@@ -686,16 +688,18 @@
 #define __NR_syncfs			(__NR_Linux + 301)
 #define __NR_sendmmsg			(__NR_Linux + 302)
 #define __NR_setns			(__NR_Linux + 303)
+#define __NR_process_vm_readv		(__NR_Linux + 304)
+#define __NR_process_vm_writev		(__NR_Linux + 305)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		303
+#define __NR_Linux_syscalls		305
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		303
+#define __NR_64_Linux_syscalls		305
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32
 
@@ -1012,16 +1016,18 @@
 #define __NR_syncfs			(__NR_Linux + 306)
 #define __NR_sendmmsg			(__NR_Linux + 307)
 #define __NR_setns			(__NR_Linux + 308)
+#define __NR_process_vm_readv		(__NR_Linux + 309)
+#define __NR_process_vm_writev		(__NR_Linux + 310)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls		308
+#define __NR_Linux_syscalls		310
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux			6000
-#define __NR_N32_Linux_syscalls		308
+#define __NR_N32_Linux_syscalls		310
 
 #ifdef __KERNEL__
 
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index 98c5a97..e2d8e19 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -103,19 +103,10 @@
 
 /*
  * Compare interrupt can be routed and latched outside the core,
- * so a single execution hazard barrier may not be enough to give
- * it time to clear as seen in the Cause register.  4 time the
- * pipeline depth seems reasonably conservative, and empirically
- * works better in configurations with high CPU/bus clock ratios.
+ * so wait up to worst case number of cycle counter ticks for timer interrupt
+ * changes to propagate to the cause register.
  */
-
-#define compare_change_hazard() \
-	do { \
-		irq_disable_hazard(); \
-		irq_disable_hazard(); \
-		irq_disable_hazard(); \
-		irq_disable_hazard(); \
-	} while (0)
+#define COMPARE_INT_SEEN_TICKS 50
 
 int c0_compare_int_usable(void)
 {
@@ -126,8 +117,12 @@
 	 * IP7 already pending?  Try to clear it by acking the timer.
 	 */
 	if (c0_compare_int_pending()) {
-		write_c0_compare(read_c0_count());
-		compare_change_hazard();
+		cnt = read_c0_count();
+		write_c0_compare(cnt);
+		back_to_back_c0_hazard();
+		while (read_c0_count() < (cnt  + COMPARE_INT_SEEN_TICKS))
+			if (!c0_compare_int_pending())
+				break;
 		if (c0_compare_int_pending())
 			return 0;
 	}
@@ -136,7 +131,7 @@
 		cnt = read_c0_count();
 		cnt += delta;
 		write_c0_compare(cnt);
-		compare_change_hazard();
+		back_to_back_c0_hazard();
 		if ((int)(read_c0_count() - cnt) < 0)
 		    break;
 		/* increase delta if the timer was already expired */
@@ -145,12 +140,17 @@
 	while ((int)(read_c0_count() - cnt) <= 0)
 		;	/* Wait for expiry  */
 
-	compare_change_hazard();
+	while (read_c0_count() < (cnt + COMPARE_INT_SEEN_TICKS))
+		if (c0_compare_int_pending())
+			break;
 	if (!c0_compare_int_pending())
 		return 0;
-
-	write_c0_compare(read_c0_count());
-	compare_change_hazard();
+	cnt = read_c0_count();
+	write_c0_compare(cnt);
+	back_to_back_c0_hazard();
+	while (read_c0_count() < (cnt + COMPARE_INT_SEEN_TICKS))
+		if (!c0_compare_int_pending())
+			break;
 	if (c0_compare_int_pending())
 		return 0;
 
diff --git a/arch/mips/kernel/cpufreq/loongson2_clock.c b/arch/mips/kernel/cpufreq/loongson2_clock.c
index cefc6e2..5426779 100644
--- a/arch/mips/kernel/cpufreq/loongson2_clock.c
+++ b/arch/mips/kernel/cpufreq/loongson2_clock.c
@@ -7,6 +7,7 @@
  * for more details.
  */
 
+#include <linux/module.h>
 #include <linux/cpufreq.h>
 #include <linux/platform_device.h>
 
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 4792065..a632bc1 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -591,6 +591,8 @@
 	sys	sys_syncfs		1
 	sys	sys_sendmmsg		4
 	sys	sys_setns		2
+	sys	sys_process_vm_readv	6	/* 4345 */
+	sys	sys_process_vm_writev	6
 	.endm
 
 	/* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index fb7334b..3b5a5e9 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -430,4 +430,6 @@
 	PTR	sys_syncfs
 	PTR	sys_sendmmsg
 	PTR	sys_setns
+	PTR	sys_process_vm_readv
+	PTR	sys_process_vm_writev		/* 5305 */
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 6de1f59..6be6f70 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -430,4 +430,6 @@
 	PTR	sys_syncfs
 	PTR	compat_sys_sendmmsg
 	PTR	sys_setns
+	PTR	compat_sys_process_vm_readv
+	PTR	compat_sys_process_vm_writev	/* 6310 */
 	.size	sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 1d81316..5422855 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -548,4 +548,6 @@
 	PTR	sys_syncfs
 	PTR	compat_sys_sendmmsg
 	PTR	sys_setns
+	PTR	compat_sys_process_vm_readv	/* 4345 */
+	PTR	compat_sys_process_vm_writev
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 261ccbc..5c8a49d 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1596,7 +1596,8 @@
 	}
 #endif /* CONFIG_MIPS_MT_SMTC */
 
-	cpu_data[cpu].asid_cache = ASID_FIRST_VERSION;
+	if (!cpu_data[cpu].asid_cache)
+		cpu_data[cpu].asid_cache = ASID_FIRST_VERSION;
 
 	atomic_inc(&init_mm.mm_count);
 	current->active_mm = &init_mm;
diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c
index 7e9c0ff..77ed70f 100644
--- a/arch/mips/lantiq/clk.c
+++ b/arch/mips/lantiq/clk.c
@@ -7,7 +7,7 @@
  * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
  */
 #include <linux/io.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
diff --git a/arch/mips/lantiq/devices.c b/arch/mips/lantiq/devices.c
index 44a3677..de1cb2b 100644
--- a/arch/mips/lantiq/devices.c
+++ b/arch/mips/lantiq/devices.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index 56ba007..e34fcfd 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -6,7 +6,7 @@
  * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/clk.h>
 #include <asm/bootinfo.h>
 #include <asm/time.h>
diff --git a/arch/mips/lantiq/setup.c b/arch/mips/lantiq/setup.c
index 9b8af77..1ff6c9d 100644
--- a/arch/mips/lantiq/setup.c
+++ b/arch/mips/lantiq/setup.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/io.h>
 #include <linux/ioport.h>
 #include <asm/bootinfo.h>
diff --git a/arch/mips/lantiq/xway/clk-ase.c b/arch/mips/lantiq/xway/clk-ase.c
index 22d823a..6522583 100644
--- a/arch/mips/lantiq/xway/clk-ase.c
+++ b/arch/mips/lantiq/xway/clk-ase.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/io.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/init.h>
 #include <linux/clk.h>
 
diff --git a/arch/mips/lantiq/xway/clk-xway.c b/arch/mips/lantiq/xway/clk-xway.c
index ddd3959..696b1a3 100644
--- a/arch/mips/lantiq/xway/clk-xway.c
+++ b/arch/mips/lantiq/xway/clk-xway.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/io.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/init.h>
 #include <linux/clk.h>
 
diff --git a/arch/mips/lantiq/xway/devices.c b/arch/mips/lantiq/xway/devices.c
index d0e32ab..d614aa7 100644
--- a/arch/mips/lantiq/xway/devices.c
+++ b/arch/mips/lantiq/xway/devices.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/mtd/physmap.h>
diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
index 4278a45..cbb6ae5 100644
--- a/arch/mips/lantiq/xway/dma.c
+++ b/arch/mips/lantiq/xway/dma.c
@@ -19,6 +19,7 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/dma-mapping.h>
+#include <linux/export.h>
 
 #include <lantiq_soc.h>
 #include <xway_dma.h>
diff --git a/arch/mips/lantiq/xway/gpio.c b/arch/mips/lantiq/xway/gpio.c
index a321451..d2fa98f 100644
--- a/arch/mips/lantiq/xway/gpio.c
+++ b/arch/mips/lantiq/xway/gpio.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/slab.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/ioport.h>
diff --git a/arch/mips/lantiq/xway/gpio_ebu.c b/arch/mips/lantiq/xway/gpio_ebu.c
index a479355..b91c7f1 100644
--- a/arch/mips/lantiq/xway/gpio_ebu.c
+++ b/arch/mips/lantiq/xway/gpio_ebu.c
@@ -7,7 +7,7 @@
  */
 
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
diff --git a/arch/mips/lantiq/xway/gpio_stp.c b/arch/mips/lantiq/xway/gpio_stp.c
index 67d59d6..ff9991c 100644
--- a/arch/mips/lantiq/xway/gpio_stp.c
+++ b/arch/mips/lantiq/xway/gpio_stp.c
@@ -9,7 +9,7 @@
 
 #include <linux/slab.h>
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
diff --git a/arch/mips/lantiq/xway/prom-ase.c b/arch/mips/lantiq/xway/prom-ase.c
index abe49f4..ae4959a 100644
--- a/arch/mips/lantiq/xway/prom-ase.c
+++ b/arch/mips/lantiq/xway/prom-ase.c
@@ -6,7 +6,7 @@
  *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/clk.h>
 #include <asm/bootinfo.h>
 #include <asm/time.h>
diff --git a/arch/mips/lantiq/xway/prom-xway.c b/arch/mips/lantiq/xway/prom-xway.c
index 1686692a..2228133 100644
--- a/arch/mips/lantiq/xway/prom-xway.c
+++ b/arch/mips/lantiq/xway/prom-xway.c
@@ -6,7 +6,7 @@
  *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/clk.h>
 #include <asm/bootinfo.h>
 #include <asm/time.h>
diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c
index a1be36d..3d41f0b 100644
--- a/arch/mips/lantiq/xway/reset.c
+++ b/arch/mips/lantiq/xway/reset.c
@@ -10,7 +10,7 @@
 #include <linux/io.h>
 #include <linux/ioport.h>
 #include <linux/pm.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <asm/reboot.h>
 
 #include <lantiq_soc.h>
diff --git a/arch/mips/nxp/pnx8550/common/pci.c b/arch/mips/nxp/pnx8550/common/pci.c
deleted file mode 100644
index 98e86dd..0000000
--- a/arch/mips/nxp/pnx8550/common/pci.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- *
- * BRIEF MODULE DESCRIPTION
- *
- * Author: source@mvista.com
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope 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.
- */
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <pci.h>
-#include <glb.h>
-#include <nand.h>
-
-static struct resource pci_io_resource = {
-	.start	= PNX8550_PCIIO + 0x1000,	/* reserve regacy I/O space */
-	.end	= PNX8550_PCIIO + PNX8550_PCIIO_SIZE,
-	.name	= "pci IO space",
-	.flags	= IORESOURCE_IO
-};
-
-static struct resource pci_mem_resource = {
-	.start	= PNX8550_PCIMEM,
-	.end	= PNX8550_PCIMEM + PNX8550_PCIMEM_SIZE - 1,
-	.name	= "pci memory space",
-	.flags	= IORESOURCE_MEM
-};
-
-extern struct pci_ops pnx8550_pci_ops;
-
-static struct pci_controller pnx8550_controller = {
-	.pci_ops	= &pnx8550_pci_ops,
-	.io_map_base	= PNX8550_PORT_BASE,
-	.io_resource	= &pci_io_resource,
-	.mem_resource	= &pci_mem_resource,
-};
-
-/* Return the total size of DRAM-memory, (RANK0 + RANK1) */
-static inline unsigned long get_system_mem_size(void)
-{
-	/* Read IP2031_RANK0_ADDR_LO */
-	unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010);
-	/* Read IP2031_RANK1_ADDR_HI */
-	unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018);
-
-	return dram_r1_hi - dram_r0_lo + 1;
-}
-
-static int __init pnx8550_pci_setup(void)
-{
-	int pci_mem_code;
-	int mem_size = get_system_mem_size() >> 20;
-
-	/* Clear the Global 2 Register, PCI Inta Output Enable Registers
-	   Bit 1:Enable DAC Powerdown
-	  -> 0:DACs are enabled and are working normally
-	     1:DACs are powerdown
-	   Bit 0:Enable of PCI inta output
-	  -> 0 = Disable PCI inta output
-	     1 = Enable PCI inta output
-	*/
-	PNX8550_GLB2_ENAB_INTA_O = 0;
-
-	/* Calc the PCI mem size code */
-	if (mem_size >= 128)
-		pci_mem_code = SIZE_128M;
-	else if (mem_size >= 64)
-		pci_mem_code = SIZE_64M;
-	else if (mem_size >= 32)
-		pci_mem_code = SIZE_32M;
-	else
-		pci_mem_code = SIZE_16M;
-
-	/* Set PCI_XIO registers */
-	outl(pci_mem_resource.start, PCI_BASE | PCI_BASE1_LO);
-	outl(pci_mem_resource.end + 1, PCI_BASE | PCI_BASE1_HI);
-	outl(pci_io_resource.start, PCI_BASE | PCI_BASE2_LO);
-	outl(pci_io_resource.end, PCI_BASE | PCI_BASE2_HI);
-
-	/* Send memory transaction via PCI_BASE2 */
-	outl(0x00000001, PCI_BASE | PCI_IO);
-
-	/* Unlock the setup register */
-	outl(0xca, PCI_BASE | PCI_UNLOCKREG);
-
-	/*
-	 * BAR0 of PNX8550 (pci base 10) must be zero in order for ide
-	 * to work, and in order for bus_to_baddr to work without any
-	 * hacks.
-	 */
-	outl(0x00000000, PCI_BASE | PCI_BASE10);
-
-	/*
-	 *These two bars are set by default or the boot code.
-	 * However, it's safer to set them here so we're not boot
-	 * code dependent.
-	 */
-	outl(0x1be00000, PCI_BASE | PCI_BASE14);  /* PNX MMIO */
-	outl(PNX8550_NAND_BASE_ADDR, PCI_BASE | PCI_BASE18);  /* XIO      */
-
-	outl(PCI_EN_TA |
-	     PCI_EN_PCI2MMI |
-	     PCI_EN_XIO |
-	     PCI_SETUP_BASE18_SIZE(SIZE_32M) |
-	     PCI_SETUP_BASE18_EN |
-	     PCI_SETUP_BASE14_EN |
-	     PCI_SETUP_BASE10_PREF |
-	     PCI_SETUP_BASE10_SIZE(pci_mem_code) |
-	     PCI_SETUP_CFGMANAGE_EN |
-	     PCI_SETUP_PCIARB_EN,
-	     PCI_BASE |
-	     PCI_SETUP);	/* PCI_SETUP */
-	outl(0x00000000, PCI_BASE | PCI_CTRL);	/* PCI_CONTROL */
-
-	register_pci_controller(&pnx8550_controller);
-
-	return 0;
-}
-
-arch_initcall(pnx8550_pci_setup);
diff --git a/arch/mips/nxp/pnx8550/common/setup.c b/arch/mips/nxp/pnx8550/common/setup.c
deleted file mode 100644
index 71adac3..0000000
--- a/arch/mips/nxp/pnx8550/common/setup.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- *
- * 2.6 port, Embedded Alley Solutions, Inc
- *
- *  Based on Per Hallsmark, per.hallsmark@mvista.com
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope 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.
- */
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/irq.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/serial_pnx8xxx.h>
-#include <linux/pm.h>
-
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/reboot.h>
-#include <asm/pgtable.h>
-#include <asm/time.h>
-
-#include <glb.h>
-#include <int.h>
-#include <pci.h>
-#include <uart.h>
-#include <nand.h>
-
-extern void __init board_setup(void);
-extern void pnx8550_machine_restart(char *);
-extern void pnx8550_machine_halt(void);
-extern void pnx8550_machine_power_off(void);
-extern struct resource ioport_resource;
-extern struct resource iomem_resource;
-extern char *prom_getcmdline(void);
-
-struct resource standard_io_resources[] = {
-	{
-		.start	= 0x00,
-		.end	= 0x1f,
-		.name	= "dma1",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x40,
-		.end	= 0x5f,
-		.name	= "timer",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0x80,
-		.end	= 0x8f,
-		.name	= "dma page reg",
-		.flags	= IORESOURCE_BUSY
-	}, {
-		.start	= 0xc0,
-		.end	= 0xdf,
-		.name	= "dma2",
-		.flags	= IORESOURCE_BUSY
-	},
-};
-
-#define STANDARD_IO_RESOURCES ARRAY_SIZE(standard_io_resources)
-
-extern struct resource pci_io_resource;
-extern struct resource pci_mem_resource;
-
-/* Return the total size of DRAM-memory, (RANK0 + RANK1) */
-unsigned long get_system_mem_size(void)
-{
-	/* Read IP2031_RANK0_ADDR_LO */
-	unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010);
-	/* Read IP2031_RANK1_ADDR_HI */
-	unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018);
-
-	return dram_r1_hi - dram_r0_lo + 1;
-}
-
-int pnx8550_console_port = -1;
-
-void __init plat_mem_setup(void)
-{
-	int i;
-	char* argptr;
-
-	board_setup();  /* board specific setup */
-
-        _machine_restart = pnx8550_machine_restart;
-        _machine_halt = pnx8550_machine_halt;
-        pm_power_off = pnx8550_machine_power_off;
-
-	/* Clear the Global 2 Register, PCI Inta Output Enable Registers
-	   Bit 1:Enable DAC Powerdown
-	  -> 0:DACs are enabled and are working normally
-	     1:DACs are powerdown
-	   Bit 0:Enable of PCI inta output
-	  -> 0 = Disable PCI inta output
-	     1 = Enable PCI inta output
-	*/
-	PNX8550_GLB2_ENAB_INTA_O = 0;
-
-	/* IO/MEM resources. */
-	set_io_port_base(PNX8550_PORT_BASE);
-	ioport_resource.start = 0;
-	ioport_resource.end = ~0;
-	iomem_resource.start = 0;
-	iomem_resource.end = ~0;
-
-	/* Request I/O space for devices on this board */
-	for (i = 0; i < STANDARD_IO_RESOURCES; i++)
-		request_resource(&ioport_resource, standard_io_resources + i);
-
-	/* Place the Mode Control bit for GPIO pin 16 in primary function */
-	/* Pin 16 is used by UART1, UA1_TX                                */
-	outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) |
-			(PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT),
-			PNX8550_GPIO_MC1);
-
-	argptr = prom_getcmdline();
-	if ((argptr = strstr(argptr, "console=ttyS")) != NULL) {
-		argptr += strlen("console=ttyS");
-		pnx8550_console_port = *argptr == '0' ? 0 : 1;
-
-		/* We must initialize the UART (console) before early printk */
-		/* Set LCR to 8-bit and BAUD to 38400 (no 5)                */
-		ip3106_lcr(UART_BASE, pnx8550_console_port) =
-			PNX8XXX_UART_LCR_8BIT;
-		ip3106_baud(UART_BASE, pnx8550_console_port) = 5;
-	}
-}
diff --git a/arch/mips/pci/pci-alchemy.c b/arch/mips/pci/pci-alchemy.c
index 4ee5710..b5ce041 100644
--- a/arch/mips/pci/pci-alchemy.c
+++ b/arch/mips/pci/pci-alchemy.c
@@ -7,6 +7,7 @@
  * Support for all devices (greater than 16) added by David Gathright.
  */
 
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <linux/platform_device.h>
diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c
index 8656388..be1e1af 100644
--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -13,6 +13,7 @@
 #include <linux/delay.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
+#include <linux/export.h>
 #include <linux/platform_device.h>
 
 #include <asm/pci.h>
diff --git a/arch/mips/pmc-sierra/yosemite/prom.c b/arch/mips/pmc-sierra/yosemite/prom.c
index cf4c868..dcc926e 100644
--- a/arch/mips/pmc-sierra/yosemite/prom.c
+++ b/arch/mips/pmc-sierra/yosemite/prom.c
@@ -102,7 +102,7 @@
 
 	/* Get the boot parameters */
 	for (i = 1; i < argc; i++) {
-		if (strlen(arcs_cmdline) + strlen(arg[i] + 1) >=
+		if (strlen(arcs_cmdline) + strlen(arg[i]) + 1 >=
 		    sizeof(arcs_cmdline))
 			break;
 
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b177caa..951e18f 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -345,7 +345,7 @@
 
 config KEXEC
 	bool "kexec system call (EXPERIMENTAL)"
-	depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !47x)) && EXPERIMENTAL
+	depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !PPC_47x)) && EXPERIMENTAL
 	help
 	  kexec is a system call that implements the ability to shutdown your
 	  current kernel, and to start another kernel.  It is like a reboot
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 57af16e..70ba0c0 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -255,12 +255,6 @@
 		echo 'disable kernel modules' ; \
 		false ; \
 	fi
-	@if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \
-		echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \
-		echo 'correctly with old versions of binutils.' ; \
-		echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \
-		false ; \
-	fi
 
 CLEAN_FILES += $(TOUT)
 
diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
index e2a4c26..02e41b5 100644
--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -49,13 +49,13 @@
 	int t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%2		# atomic_add_return\n\
 	add	%0,%1,%0\n"
 	PPC405_ERR77(0,%2)
 "	stwcx.	%0,0,%2 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (a), "r" (&v->counter)
 	: "cc", "memory");
@@ -85,13 +85,13 @@
 	int t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%2		# atomic_sub_return\n\
 	subf	%0,%1,%0\n"
 	PPC405_ERR77(0,%2)
 "	stwcx.	%0,0,%2 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (a), "r" (&v->counter)
 	: "cc", "memory");
@@ -119,13 +119,13 @@
 	int t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%1		# atomic_inc_return\n\
 	addic	%0,%0,1\n"
 	PPC405_ERR77(0,%1)
 "	stwcx.	%0,0,%1 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (&v->counter)
 	: "cc", "xer", "memory");
@@ -163,13 +163,13 @@
 	int t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%1		# atomic_dec_return\n\
 	addic	%0,%0,-1\n"
 	PPC405_ERR77(0,%1)
 "	stwcx.	%0,0,%1\n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (&v->counter)
 	: "cc", "xer", "memory");
@@ -194,7 +194,7 @@
 	int t;
 
 	__asm__ __volatile__ (
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%1		# __atomic_add_unless\n\
 	cmpw	0,%0,%3 \n\
 	beq-	2f \n\
@@ -202,7 +202,7 @@
 	PPC405_ERR77(0,%2)
 "	stwcx.	%0,0,%1 \n\
 	bne-	1b \n"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 "	subf	%0,%2,%0 \n\
 2:"
 	: "=&r" (t)
@@ -226,7 +226,7 @@
 	int t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	lwarx	%0,0,%1		# atomic_dec_if_positive\n\
 	cmpwi	%0,1\n\
 	addi	%0,%0,-1\n\
@@ -234,7 +234,7 @@
 	PPC405_ERR77(0,%1)
 "	stwcx.	%0,0,%1\n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	"\n\
 2:"	: "=&b" (t)
 	: "r" (&v->counter)
@@ -285,12 +285,12 @@
 	long t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%2		# atomic64_add_return\n\
 	add	%0,%1,%0\n\
 	stdcx.	%0,0,%2 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (a), "r" (&v->counter)
 	: "cc", "memory");
@@ -319,12 +319,12 @@
 	long t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%2		# atomic64_sub_return\n\
 	subf	%0,%1,%0\n\
 	stdcx.	%0,0,%2 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (a), "r" (&v->counter)
 	: "cc", "memory");
@@ -351,12 +351,12 @@
 	long t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%1		# atomic64_inc_return\n\
 	addic	%0,%0,1\n\
 	stdcx.	%0,0,%1 \n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (&v->counter)
 	: "cc", "xer", "memory");
@@ -393,12 +393,12 @@
 	long t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%1		# atomic64_dec_return\n\
 	addic	%0,%0,-1\n\
 	stdcx.	%0,0,%1\n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	: "=&r" (t)
 	: "r" (&v->counter)
 	: "cc", "xer", "memory");
@@ -418,13 +418,13 @@
 	long t;
 
 	__asm__ __volatile__(
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%1		# atomic64_dec_if_positive\n\
 	addic.	%0,%0,-1\n\
 	blt-	2f\n\
 	stdcx.	%0,0,%1\n\
 	bne-	1b"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 	"\n\
 2:"	: "=&r" (t)
 	: "r" (&v->counter)
@@ -450,14 +450,14 @@
 	long t;
 
 	__asm__ __volatile__ (
-	PPC_RELEASE_BARRIER
+	PPC_ATOMIC_ENTRY_BARRIER
 "1:	ldarx	%0,0,%1		# __atomic_add_unless\n\
 	cmpd	0,%0,%3 \n\
 	beq-	2f \n\
 	add	%0,%2,%0 \n"
 "	stdcx.	%0,0,%1 \n\
 	bne-	1b \n"
-	PPC_ACQUIRE_BARRIER
+	PPC_ATOMIC_EXIT_BARRIER
 "	subf	%0,%2,%0 \n\
 2:"
 	: "=&r" (t)
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index e137afc..efdc926 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -124,14 +124,14 @@
 	return (old & mask);				\
 }
 
-DEFINE_TESTOP(test_and_set_bits, or, PPC_RELEASE_BARRIER,
-	      PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_set_bits, or, PPC_ATOMIC_ENTRY_BARRIER,
+	      PPC_ATOMIC_EXIT_BARRIER, 0)
 DEFINE_TESTOP(test_and_set_bits_lock, or, "",
 	      PPC_ACQUIRE_BARRIER, 1)
-DEFINE_TESTOP(test_and_clear_bits, andc, PPC_RELEASE_BARRIER,
-	      PPC_ACQUIRE_BARRIER, 0)
-DEFINE_TESTOP(test_and_change_bits, xor, PPC_RELEASE_BARRIER,
-	      PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_clear_bits, andc, PPC_ATOMIC_ENTRY_BARRIER,
+	      PPC_ATOMIC_EXIT_BARRIER, 0)
+DEFINE_TESTOP(test_and_change_bits, xor, PPC_ATOMIC_ENTRY_BARRIER,
+	      PPC_ATOMIC_EXIT_BARRIER, 0)
 
 static __inline__ int test_and_set_bit(unsigned long nr,
 				       volatile unsigned long *addr)
diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h
index c94e4a3..2a9cf84 100644
--- a/arch/powerpc/include/asm/futex.h
+++ b/arch/powerpc/include/asm/futex.h
@@ -11,12 +11,13 @@
 
 #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
   __asm__ __volatile ( \
-	PPC_RELEASE_BARRIER \
+	PPC_ATOMIC_ENTRY_BARRIER \
 "1:	lwarx	%0,0,%2\n" \
 	insn \
 	PPC405_ERR77(0, %2) \
 "2:	stwcx.	%1,0,%2\n" \
 	"bne-	1b\n" \
+	PPC_ATOMIC_EXIT_BARRIER \
 	"li	%1,0\n" \
 "3:	.section .fixup,\"ax\"\n" \
 "4:	li	%1,%3\n" \
@@ -92,14 +93,14 @@
 		return -EFAULT;
 
         __asm__ __volatile__ (
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     lwarx   %1,0,%3         # futex_atomic_cmpxchg_inatomic\n\
         cmpw    0,%1,%4\n\
         bne-    3f\n"
         PPC405_ERR77(0,%3)
 "2:     stwcx.  %5,0,%3\n\
         bne-    1b\n"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
 "3:	.section .fixup,\"ax\"\n\
 4:	li	%0,%6\n\
 	b	3b\n\
diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h
index 08fe69e..0ad432b 100644
--- a/arch/powerpc/include/asm/kvm.h
+++ b/arch/powerpc/include/asm/kvm.h
@@ -149,12 +149,6 @@
 #define KVM_SREGS_E_UPDATE_DBSR		(1 << 3)
 
 /*
- * Book3S special bits to indicate contents in the struct by maintaining
- * backwards compatibility with older structs. If adding a new field,
- * please make sure to add a flag for that new field */
-#define KVM_SREGS_S_HIOR		(1 << 0)
-
-/*
  * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
  * previous KVM_GET_REGS.
  *
@@ -179,8 +173,6 @@
 				__u64 ibat[8]; 
 				__u64 dbat[8]; 
 			} ppc32;
-			__u64 flags; /* KVM_SREGS_S_ */
-			__u64 hior;
 		} s;
 		struct {
 			union {
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index a384ffd..d4df013 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -90,8 +90,6 @@
 #endif
 	int context_id[SID_CONTEXTS];
 
-	bool hior_sregs;		/* HIOR is set by SREGS, not PVR */
-
 	struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE];
 	struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG];
 	struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE];
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 28cdbd9..03c48e8 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -31,7 +31,7 @@
 
 #define MSR_		MSR_ME | MSR_CE
 #define MSR_KERNEL	MSR_ | MSR_64BIT
-#define MSR_USER32	MSR_ | MSR_PR | MSR_EE | MSR_DE
+#define MSR_USER32	MSR_ | MSR_PR | MSR_EE
 #define MSR_USER64	MSR_USER32 | MSR_64BIT
 #elif defined (CONFIG_40x)
 #define MSR_KERNEL	(MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE)
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index 6fbce72..a0f358d 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -8,7 +8,7 @@
 
 #ifdef __powerpc64__
 
-extern char _end[];
+extern char __end_interrupts[];
 
 static inline int in_kernel_text(unsigned long addr)
 {
diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h
index d7cab44..e682a71 100644
--- a/arch/powerpc/include/asm/synch.h
+++ b/arch/powerpc/include/asm/synch.h
@@ -13,6 +13,7 @@
 extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
 extern void do_lwsync_fixups(unsigned long value, void *fixup_start,
 			     void *fixup_end);
+extern void do_final_fixups(void);
 
 static inline void eieio(void)
 {
@@ -41,11 +42,15 @@
 	START_LWSYNC_SECTION(97);			\
 	isync;						\
 	MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup);
-#define PPC_ACQUIRE_BARRIER	"\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
-#define PPC_RELEASE_BARRIER	stringify_in_c(LWSYNC) "\n"
+#define PPC_ACQUIRE_BARRIER	 "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
+#define PPC_RELEASE_BARRIER	 stringify_in_c(LWSYNC) "\n"
+#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(LWSYNC) "\n"
+#define PPC_ATOMIC_EXIT_BARRIER	 "\n" stringify_in_c(sync) "\n"
 #else
 #define PPC_ACQUIRE_BARRIER
 #define PPC_RELEASE_BARRIER
+#define PPC_ATOMIC_ENTRY_BARRIER
+#define PPC_ATOMIC_EXIT_BARRIER
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 56212bc..4f80cf1 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -215,7 +215,22 @@
 	stw	r9,8(r1)
 	stw	r11,12(r1)
 	stw	r3,ORIG_GPR3(r1)
+	/*
+	 * The trace_hardirqs_off will use CALLER_ADDR0 and CALLER_ADDR1.
+	 * If from user mode there is only one stack frame on the stack, and
+	 * accessing CALLER_ADDR1 will cause oops. So we need create a dummy
+	 * stack frame to make trace_hardirqs_off happy.
+	 */
+	andi.	r12,r12,MSR_PR
+	beq	11f
+	stwu	r1,-16(r1)
 	bl	trace_hardirqs_off
+	addi	r1,r1,16
+	b	12f
+
+11:
+	bl	trace_hardirqs_off
+12:
 	lwz	r0,GPR0(r1)
 	lwz	r3,ORIG_GPR3(r1)
 	lwz	r4,GPR4(r1)
diff --git a/arch/powerpc/kernel/jump_label.c b/arch/powerpc/kernel/jump_label.c
index 368d158..a1ed8a8 100644
--- a/arch/powerpc/kernel/jump_label.c
+++ b/arch/powerpc/kernel/jump_label.c
@@ -11,6 +11,7 @@
 #include <linux/jump_label.h>
 #include <asm/code-patching.h>
 
+#ifdef HAVE_JUMP_LABEL
 void arch_jump_label_transform(struct jump_entry *entry,
 			       enum jump_label_type type)
 {
@@ -21,3 +22,4 @@
 	else
 		patch_instruction(addr, PPC_INST_NOP);
 }
+#endif
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index 35f2764..2985338 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -132,7 +132,6 @@
 	/* On relocatable kernels interrupts handlers and our code
 	   can be in different regions, so we don't patch them */
 
-	extern u32 __end_interrupts;
 	if ((ulong)inst < (ulong)&__end_interrupts)
 		return;
 #endif
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index f7d760a..7cd07b4 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -738,7 +738,7 @@
 	mr      r5, r31
 
 	li	r0, 0
-#elif defined(CONFIG_44x)  && !defined(CONFIG_47x)
+#elif defined(CONFIG_44x)  && !defined(CONFIG_PPC_47x)
 
 /*
  * Code for setting up 1:1 mapping for PPC440x for KEXEC
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 9054ca9..6457574 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -486,28 +486,6 @@
 	new_thread = &new->thread;
 	old_thread = &current->thread;
 
-#if defined(CONFIG_PPC_BOOK3E_64)
-	/* XXX Current Book3E code doesn't deal with kernel side DBCR0,
-	 * we always hold the user values, so we set it now.
-	 *
-	 * However, we ensure the kernel MSR:DE is appropriately cleared too
-	 * to avoid spurrious single step exceptions in the kernel.
-	 *
-	 * This will have to change to merge with the ppc32 code at some point,
-	 * but I don't like much what ppc32 is doing today so there's some
-	 * thinking needed there
-	 */
-	if ((new_thread->dbcr0 | old_thread->dbcr0) & DBCR0_IDM) {
-		u32 dbcr0;
-
-		mtmsr(mfmsr() & ~MSR_DE);
-		isync();
-		dbcr0 = mfspr(SPRN_DBCR0);
-		dbcr0 = (dbcr0 & DBCR0_EDM) | new_thread->dbcr0;
-		mtspr(SPRN_DBCR0, dbcr0);
-	}
-#endif /* CONFIG_PPC64_BOOK3E */
-
 #ifdef CONFIG_PPC64
 	/*
 	 * Collect processor utilization data per process
@@ -657,7 +635,7 @@
 	if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR))
 		printk("CFAR: "REG"\n", regs->orig_gpr3);
 	if (trap == 0x300 || trap == 0x600)
-#ifdef CONFIG_PPC_ADV_DEBUG_REGS
+#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
 		printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr);
 #else
 		printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr);
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index b4fa661..cc58486 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1579,10 +1579,8 @@
 		return;
 
 	base = alloc_down(size, PAGE_SIZE, 0);
-	if (base == 0) {
-		prom_printf("RTAS allocation failed !\n");
-		return;
-	}
+	if (base == 0)
+		prom_panic("Could not allocate memory for RTAS\n");
 
 	rtas_inst = call_prom("open", 1, 1, ADDR("/rtas"));
 	if (!IHANDLE_VALID(rtas_inst)) {
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index c1ce863..ac76108 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -107,6 +107,8 @@
 			 PTRRELOC(&__start___lwsync_fixup),
 			 PTRRELOC(&__stop___lwsync_fixup));
 
+	do_final_fixups();
+
 	return KERNELBASE + offset;
 }
 
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 1a9dea8..fb9bb46 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -359,6 +359,7 @@
 			  &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup);
 	do_lwsync_fixups(cur_cpu_spec->cpu_features,
 			 &__start___lwsync_fixup, &__stop___lwsync_fixup);
+	do_final_fixups();
 
 	/*
 	 * Unflatten the device-tree passed by prom_init or kexec
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 78b76dc..836a5a1 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -97,7 +97,7 @@
 	compat_sigset_t	cset;
 
 	switch (_NSIG_WORDS) {
-	case 4: cset.sig[5] = set->sig[3] & 0xffffffffull;
+	case 4: cset.sig[6] = set->sig[3] & 0xffffffffull;
 		cset.sig[7] = set->sig[3] >> 32;
 	case 3: cset.sig[4] = set->sig[2] & 0xffffffffull;
 		cset.sig[5] = set->sig[2] >> 32;
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 4e59082..5459d14 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -1298,14 +1298,12 @@
 
 		if (user_mode(regs)) {
 			current->thread.dbcr0 &= ~DBCR0_IC;
-#ifdef CONFIG_PPC_ADV_DEBUG_REGS
 			if (DBCR_ACTIVE_EVENTS(current->thread.dbcr0,
 					       current->thread.dbcr1))
 				regs->msr |= MSR_DE;
 			else
 				/* Make sure the IDM bit is off */
 				current->thread.dbcr0 &= ~DBCR0_IDM;
-#endif
 		}
 
 		_exception(SIGTRAP, regs, TRAP_TRACE, regs->nip);
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 0cdbc07..0cb137a 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -44,6 +44,7 @@
 #include <asm/processor.h>
 #include <asm/cputhreads.h>
 #include <asm/page.h>
+#include <asm/hvcall.h>
 #include <linux/gfp.h>
 #include <linux/sched.h>
 #include <linux/vmalloc.h>
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index bc4d50d..3c791e1 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -151,16 +151,14 @@
 #ifdef CONFIG_PPC_BOOK3S_64
 	if ((pvr >= 0x330000) && (pvr < 0x70330000)) {
 		kvmppc_mmu_book3s_64_init(vcpu);
-		if (!to_book3s(vcpu)->hior_sregs)
-			to_book3s(vcpu)->hior = 0xfff00000;
+		to_book3s(vcpu)->hior = 0xfff00000;
 		to_book3s(vcpu)->msr_mask = 0xffffffffffffffffULL;
 		vcpu->arch.cpu_type = KVM_CPU_3S_64;
 	} else
 #endif
 	{
 		kvmppc_mmu_book3s_32_init(vcpu);
-		if (!to_book3s(vcpu)->hior_sregs)
-			to_book3s(vcpu)->hior = 0;
+		to_book3s(vcpu)->hior = 0;
 		to_book3s(vcpu)->msr_mask = 0xffffffffULL;
 		vcpu->arch.cpu_type = KVM_CPU_3S_32;
 	}
@@ -797,9 +795,6 @@
 		}
 	}
 
-	if (sregs->u.s.flags & KVM_SREGS_S_HIOR)
-		sregs->u.s.hior = to_book3s(vcpu)->hior;
-
 	return 0;
 }
 
@@ -836,11 +831,6 @@
 	/* Flush the MMU after messing with the segments */
 	kvmppc_mmu_pte_flush(vcpu, 0, 0);
 
-	if (sregs->u.s.flags & KVM_SREGS_S_HIOR) {
-		to_book3s(vcpu)->hior_sregs = true;
-		to_book3s(vcpu)->hior = sregs->u.s.hior;
-	}
-
 	return 0;
 }
 
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index efbf9ad..607fbdf 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -208,7 +208,6 @@
 	case KVM_CAP_PPC_BOOKE_SREGS:
 #else
 	case KVM_CAP_PPC_SEGSTATE:
-	case KVM_CAP_PPC_HIOR:
 	case KVM_CAP_PPC_PAPR:
 #endif
 	case KVM_CAP_PPC_UNSET_IRQ:
diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c
index 0d08d01..7a8a748 100644
--- a/arch/powerpc/lib/feature-fixups.c
+++ b/arch/powerpc/lib/feature-fixups.c
@@ -18,6 +18,8 @@
 #include <linux/init.h>
 #include <asm/cputable.h>
 #include <asm/code-patching.h>
+#include <asm/page.h>
+#include <asm/sections.h>
 
 
 struct fixup_entry {
@@ -128,6 +130,27 @@
 	}
 }
 
+void do_final_fixups(void)
+{
+#if defined(CONFIG_PPC64) && defined(CONFIG_RELOCATABLE)
+	int *src, *dest;
+	unsigned long length;
+
+	if (PHYSICAL_START == 0)
+		return;
+
+	src = (int *)(KERNELBASE + PHYSICAL_START);
+	dest = (int *)KERNELBASE;
+	length = (__end_interrupts - _stext) / sizeof(int);
+
+	while (length--) {
+		patch_instruction(dest, *src);
+		src++;
+		dest++;
+	}
+#endif
+}
+
 #ifdef CONFIG_FTR_FIXUP_SELFTEST
 
 #define check(x)	\
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index e458872..3fe6d92 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -347,7 +347,7 @@
 
 config MCU_MPC8349EMITX
 	bool "MPC8349E-mITX MCU driver"
-	depends on I2C && PPC_83xx
+	depends on I2C=y && PPC_83xx
 	select GENERIC_GPIO
 	select ARCH_REQUIRE_GPIOLIB
 	help
diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c
index 404bc52..1d6f4f4 100644
--- a/arch/powerpc/platforms/ps3/interrupt.c
+++ b/arch/powerpc/platforms/ps3/interrupt.c
@@ -88,6 +88,7 @@
 	struct ps3_bmp bmp __attribute__ ((aligned (PS3_BMP_MINALIGN)));
 	u64 ppe_id;
 	u64 thread_id;
+	unsigned long ipi_mask;
 };
 
 static DEFINE_PER_CPU(struct ps3_private, ps3_private);
@@ -144,7 +145,11 @@
 static void ps3_chip_eoi(struct irq_data *d)
 {
 	const struct ps3_private *pd = irq_data_get_irq_chip_data(d);
-	lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq);
+
+	/* non-IPIs are EOIed here. */
+
+	if (!test_bit(63 - d->irq, &pd->ipi_mask))
+		lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq);
 }
 
 /**
@@ -691,6 +696,16 @@
 		cpu, virq, pd->bmp.ipi_debug_brk_mask);
 }
 
+void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq)
+{
+	struct ps3_private *pd = &per_cpu(ps3_private, cpu);
+
+	set_bit(63 - virq, &pd->ipi_mask);
+
+	DBG("%s:%d: cpu %u, virq %u, ipi_mask %lxh\n", __func__, __LINE__,
+		cpu, virq, pd->ipi_mask);
+}
+
 static unsigned int ps3_get_irq(void)
 {
 	struct ps3_private *pd = &__get_cpu_var(ps3_private);
@@ -720,6 +735,12 @@
 		BUG();
 	}
 #endif
+
+	/* IPIs are EOIed here. */
+
+	if (test_bit(63 - plug, &pd->ipi_mask))
+		lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, plug);
+
 	return plug;
 }
 
diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h
index 9a196a8..1a633ed 100644
--- a/arch/powerpc/platforms/ps3/platform.h
+++ b/arch/powerpc/platforms/ps3/platform.h
@@ -43,6 +43,7 @@
 void ps3_init_IRQ(void);
 void ps3_shutdown_IRQ(int cpu);
 void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq);
+void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq);
 
 /* smp */
 
diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c
index 4c44794..efc1cd8 100644
--- a/arch/powerpc/platforms/ps3/smp.c
+++ b/arch/powerpc/platforms/ps3/smp.c
@@ -59,46 +59,49 @@
 
 static int ps3_smp_probe(void)
 {
-	return 2;
-}
+	int cpu;
 
-static void __init ps3_smp_setup_cpu(int cpu)
-{
-	int result;
-	unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu);
-	int i;
+	for (cpu = 0; cpu < 2; cpu++) {
+		int result;
+		unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu);
+		int i;
 
-	DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
+		DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
 
-	/*
-	 * Check assumptions on ps3_ipi_virqs[] indexing. If this
-	 * check fails, then a different mapping of PPC_MSG_
-	 * to index needs to be setup.
-	 */
+		/*
+		* Check assumptions on ps3_ipi_virqs[] indexing. If this
+		* check fails, then a different mapping of PPC_MSG_
+		* to index needs to be setup.
+		*/
 
-	BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION    != 0);
-	BUILD_BUG_ON(PPC_MSG_RESCHEDULE       != 1);
-	BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
-	BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK   != 3);
+		BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION    != 0);
+		BUILD_BUG_ON(PPC_MSG_RESCHEDULE       != 1);
+		BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
+		BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK   != 3);
 
-	for (i = 0; i < MSG_COUNT; i++) {
-		result = ps3_event_receive_port_setup(cpu, &virqs[i]);
+		for (i = 0; i < MSG_COUNT; i++) {
+			result = ps3_event_receive_port_setup(cpu, &virqs[i]);
 
-		if (result)
-			continue;
+			if (result)
+				continue;
 
-		DBG("%s:%d: (%d, %d) => virq %u\n",
-			__func__, __LINE__, cpu, i, virqs[i]);
+			DBG("%s:%d: (%d, %d) => virq %u\n",
+				__func__, __LINE__, cpu, i, virqs[i]);
 
-		result = smp_request_message_ipi(virqs[i], i);
+			result = smp_request_message_ipi(virqs[i], i);
 
-		if (result)
-			virqs[i] = NO_IRQ;
+			if (result)
+				virqs[i] = NO_IRQ;
+			else
+				ps3_register_ipi_irq(cpu, virqs[i]);
+		}
+
+		ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);
+
+		DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu);
 	}
 
-	ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);
-
-	DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu);
+	return 2;
 }
 
 void ps3_smp_cleanup_cpu(int cpu)
@@ -121,7 +124,6 @@
 	.probe		= ps3_smp_probe,
 	.message_pass	= ps3_smp_message_pass,
 	.kick_cpu	= smp_generic_kick_cpu,
-	.setup_cpu	= ps3_smp_setup_cpu,
 };
 
 void smp_init_ps3(void)
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index a9fbd43..373679b 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -572,6 +572,7 @@
 config CRASH_DUMP
 	bool "kernel crash dumps"
 	depends on 64BIT
+	select KEXEC
 	help
 	  Generate crash dump after being started by kexec.
 	  Crash dump kernels are loaded in the main kernel with kexec-tools
diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h
index 4967677..ffd1ac2 100644
--- a/arch/s390/crypto/crypt_s390.h
+++ b/arch/s390/crypto/crypt_s390.h
@@ -368,9 +368,12 @@
 
 	if (facility_mask & CRYPT_S390_MSA && !test_facility(17))
 		return 0;
-	if (facility_mask & CRYPT_S390_MSA3 && !test_facility(76))
+
+	if (facility_mask & CRYPT_S390_MSA3 &&
+	    (!test_facility(2) || !test_facility(76)))
 		return 0;
-	if (facility_mask & CRYPT_S390_MSA4 && !test_facility(77))
+	if (facility_mask & CRYPT_S390_MSA4 &&
+	    (!test_facility(2) || !test_facility(77)))
 		return 0;
 
 	switch (func & CRYPT_S390_OP_MASK) {
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 24e1847..b0c235c 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -47,7 +47,7 @@
 #define KVM_HPAGE_MASK(x)	(~(KVM_HPAGE_SIZE(x) - 1))
 #define KVM_PAGES_PER_HPAGE(x)	(KVM_HPAGE_SIZE(x) / PAGE_SIZE)
 
-#define CPUSTAT_HOST       0x80000000
+#define CPUSTAT_STOPPED    0x80000000
 #define CPUSTAT_WAIT       0x10000000
 #define CPUSTAT_ECALL_PEND 0x08000000
 #define CPUSTAT_STOP_INT   0x04000000
@@ -139,6 +139,7 @@
 	u32 instruction_stfl;
 	u32 instruction_tprot;
 	u32 instruction_sigp_sense;
+	u32 instruction_sigp_sense_running;
 	u32 instruction_sigp_external_call;
 	u32 instruction_sigp_emergency;
 	u32 instruction_sigp_stop;
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 34ede0e..524d23b 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -593,6 +593,8 @@
 	unsigned long address, bits;
 	unsigned char skey;
 
+	if (!pte_present(*ptep))
+		return pgste;
 	address = pte_val(*ptep) & PAGE_MASK;
 	skey = page_get_storage_key(address);
 	bits = skey & (_PAGE_CHANGED | _PAGE_REFERENCED);
@@ -625,6 +627,8 @@
 #ifdef CONFIG_PGSTE
 	int young;
 
+	if (!pte_present(*ptep))
+		return pgste;
 	young = page_reset_referenced(pte_val(*ptep) & PAGE_MASK);
 	/* Transfer page referenced bit to pte software bit (host view) */
 	if (young || (pgste_val(pgste) & RCP_HR_BIT))
@@ -638,13 +642,15 @@
 
 }
 
-static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste)
+static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste, pte_t entry)
 {
 #ifdef CONFIG_PGSTE
 	unsigned long address;
 	unsigned long okey, nkey;
 
-	address = pte_val(*ptep) & PAGE_MASK;
+	if (!pte_present(entry))
+		return;
+	address = pte_val(entry) & PAGE_MASK;
 	okey = nkey = page_get_storage_key(address);
 	nkey &= ~(_PAGE_ACC_BITS | _PAGE_FP_BIT);
 	/* Set page access key and fetch protection bit from pgste */
@@ -712,7 +718,7 @@
 
 	if (mm_has_pgste(mm)) {
 		pgste = pgste_get_lock(ptep);
-		pgste_set_pte(ptep, pgste);
+		pgste_set_pte(ptep, pgste, entry);
 		*ptep = entry;
 		pgste_set_unlock(ptep, pgste);
 	} else
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 5a09971..097183c 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -82,6 +82,7 @@
 #define MACHINE_FLAG_LPAR	(1UL << 12)
 #define MACHINE_FLAG_SPP	(1UL << 13)
 #define MACHINE_FLAG_TOPOLOGY	(1UL << 14)
+#define MACHINE_FLAG_STCKF	(1UL << 15)
 
 #define MACHINE_IS_VM		(S390_lowcore.machine_flags & MACHINE_FLAG_VM)
 #define MACHINE_IS_KVM		(S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
@@ -100,6 +101,7 @@
 #define MACHINE_HAS_PFMF	(0)
 #define MACHINE_HAS_SPP		(0)
 #define MACHINE_HAS_TOPOLOGY	(0)
+#define MACHINE_HAS_STCKF	(0)
 #else /* __s390x__ */
 #define MACHINE_HAS_IEEE	(1)
 #define MACHINE_HAS_CSP		(1)
@@ -111,6 +113,7 @@
 #define MACHINE_HAS_PFMF	(S390_lowcore.machine_flags & MACHINE_FLAG_PFMF)
 #define MACHINE_HAS_SPP		(S390_lowcore.machine_flags & MACHINE_FLAG_SPP)
 #define MACHINE_HAS_TOPOLOGY	(S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
+#define MACHINE_HAS_STCKF	(S390_lowcore.machine_flags & MACHINE_FLAG_STCKF)
 #endif /* __s390x__ */
 
 #define ZFCPDUMP_HSA_SIZE	(32UL<<20)
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index d610bef..c447a27 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -90,7 +90,7 @@
 {
 	unsigned long long clk;
 
-	if (test_facility(25))
+	if (MACHINE_HAS_STCKF)
 		asm volatile(".insn	s,0xb27c0000,%0" : "=Q" (clk) : : "cc");
 	else
 		clk = get_clock();
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index 404bdb96..58de4c9 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -277,7 +277,9 @@
 #define __NR_clock_adjtime	337
 #define __NR_syncfs		338
 #define __NR_setns		339
-#define NR_syscalls 340
+#define __NR_process_vm_readv	340
+#define __NR_process_vm_writev	341
+#define NR_syscalls 342
 
 /* 
  * There are some system calls that are not present on 64 bit, some
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 5006a1d..18c51df 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1627,3 +1627,23 @@
 	lgfr	%r2,%r2			# int
 	lgfr	%r3,%r3			# int
 	jg	sys_setns
+
+ENTRY(compat_sys_process_vm_readv_wrapper)
+	lgfr	%r2,%r2			# compat_pid_t
+	llgtr	%r3,%r3			# struct compat_iovec __user *
+	llgfr	%r4,%r4			# unsigned long
+	llgtr	%r5,%r5			# struct compat_iovec __user *
+	llgfr	%r6,%r6			# unsigned long
+	llgf	%r0,164(%r15)		# unsigned long
+	stg	%r0,160(%r15)
+	jg	sys_process_vm_readv
+
+ENTRY(compat_sys_process_vm_writev_wrapper)
+	lgfr	%r2,%r2			# compat_pid_t
+	llgtr	%r3,%r3			# struct compat_iovec __user *
+	llgfr	%r4,%r4			# unsigned long
+	llgtr	%r5,%r5			# struct compat_iovec __user *
+	llgfr	%r6,%r6			# unsigned long
+	llgf	%r0,164(%r15)		# unsigned long
+	stg	%r0,160(%r15)
+	jg	sys_process_vm_writev
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 37394b3..c9ffe00 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -390,6 +390,8 @@
 		S390_lowcore.machine_flags |= MACHINE_FLAG_MVCOS;
 	if (test_facility(40))
 		S390_lowcore.machine_flags |= MACHINE_FLAG_SPP;
+	if (test_facility(25))
+		S390_lowcore.machine_flags |= MACHINE_FLAG_STCKF;
 #endif
 }
 
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 8ac6bfa..e58a462 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -211,6 +211,8 @@
 
 	if (ipl_info.type != IPL_TYPE_FCP_DUMP)
 		return;
+	if (OLDMEM_BASE)
+		return;
 	if (console_devno != -1)
 		sprintf(str, " cio_ignore=all,!0.0.%04x,!0.0.%04x",
 			ipl_info.data.fcp.dev_id.devno, console_devno);
@@ -482,7 +484,7 @@
 
 
 #ifdef CONFIG_ZFCPDUMP
-	if (ipl_info.type == IPL_TYPE_FCP_DUMP) {
+	if (ipl_info.type == IPL_TYPE_FCP_DUMP && !OLDMEM_BASE) {
 		memory_end = ZFCPDUMP_HSA_SIZE;
 		memory_end_set = 1;
 	}
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 73eb08c..bcab2f0 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -348,3 +348,5 @@
 SYSCALL(sys_clock_adjtime,sys_clock_adjtime,compat_sys_clock_adjtime_wrapper)
 SYSCALL(sys_syncfs,sys_syncfs,sys_syncfs_wrapper)
 SYSCALL(sys_setns,sys_setns,sys_setns_wrapper)
+SYSCALL(sys_process_vm_readv,sys_process_vm_readv,compat_sys_process_vm_readv_wrapper) /* 340 */
+SYSCALL(sys_process_vm_writev,sys_process_vm_writev,compat_sys_process_vm_writev_wrapper)
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 77b8942..fdb5b8c 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -68,8 +68,10 @@
 	return mask;
 }
 
-static void add_cpus_to_mask(struct topology_cpu *tl_cpu,
-			     struct mask_info *book, struct mask_info *core)
+static struct mask_info *add_cpus_to_mask(struct topology_cpu *tl_cpu,
+					  struct mask_info *book,
+					  struct mask_info *core,
+					  int z10)
 {
 	unsigned int cpu;
 
@@ -88,10 +90,16 @@
 			cpu_book_id[lcpu] = book->id;
 #endif
 			cpumask_set_cpu(lcpu, &core->mask);
-			cpu_core_id[lcpu] = core->id;
+			if (z10) {
+				cpu_core_id[lcpu] = rcpu;
+				core = core->next;
+			} else {
+				cpu_core_id[lcpu] = core->id;
+			}
 			smp_cpu_polarization[lcpu] = tl_cpu->pp;
 		}
 	}
+	return core;
 }
 
 static void clear_masks(void)
@@ -123,18 +131,41 @@
 {
 #ifdef CONFIG_SCHED_BOOK
 	struct mask_info *book = &book_info;
+	struct cpuid cpu_id;
 #else
 	struct mask_info *book = NULL;
 #endif
 	struct mask_info *core = &core_info;
 	union topology_entry *tle, *end;
+	int z10 = 0;
 
-
+#ifdef CONFIG_SCHED_BOOK
+	get_cpu_id(&cpu_id);
+	z10 = cpu_id.machine == 0x2097 || cpu_id.machine == 0x2098;
+#endif
 	spin_lock_irq(&topology_lock);
 	clear_masks();
 	tle = info->tle;
 	end = (union topology_entry *)((unsigned long)info + info->length);
 	while (tle < end) {
+#ifdef CONFIG_SCHED_BOOK
+		if (z10) {
+			switch (tle->nl) {
+			case 1:
+				book = book->next;
+				book->id = tle->container.id;
+				break;
+			case 0:
+				core = add_cpus_to_mask(&tle->cpu, book, core, z10);
+				break;
+			default:
+				clear_masks();
+				goto out;
+			}
+			tle = next_tle(tle);
+			continue;
+		}
+#endif
 		switch (tle->nl) {
 #ifdef CONFIG_SCHED_BOOK
 		case 2:
@@ -147,7 +178,7 @@
 			core->id = tle->container.id;
 			break;
 		case 0:
-			add_cpus_to_mask(&tle->cpu, book, core);
+			add_cpus_to_mask(&tle->cpu, book, core, z10);
 			break;
 		default:
 			clear_masks();
@@ -328,8 +359,8 @@
 	for (i = 0; i < TOPOLOGY_NR_MAG; i++)
 		printk(" %d", info->mag[i]);
 	printk(" / %d\n", info->mnest);
-	alloc_masks(info, &core_info, 2);
+	alloc_masks(info, &core_info, 1);
 #ifdef CONFIG_SCHED_BOOK
-	alloc_masks(info, &book_info, 3);
+	alloc_masks(info, &book_info, 2);
 #endif
 }
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 56fe6bc..e4c79eb 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -43,6 +43,8 @@
 
 	NOTES :text :note
 
+	.dummy : { *(.dummy) } :data
+
 	RODATA
 
 #ifdef CONFIG_SHARED_KERNEL
diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c
index 87cedd6..8943e82 100644
--- a/arch/s390/kvm/diag.c
+++ b/arch/s390/kvm/diag.c
@@ -70,7 +70,7 @@
 		return -EOPNOTSUPP;
 	}
 
-	atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
+	atomic_set_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
 	vcpu->run->s390_reset_flags |= KVM_S390_RESET_SUBSYSTEM;
 	vcpu->run->s390_reset_flags |= KVM_S390_RESET_IPL;
 	vcpu->run->s390_reset_flags |= KVM_S390_RESET_CPU_INIT;
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c
index c7c5189..0243454 100644
--- a/arch/s390/kvm/intercept.c
+++ b/arch/s390/kvm/intercept.c
@@ -132,7 +132,6 @@
 	int rc = 0;
 
 	vcpu->stat.exit_stop_request++;
-	atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
 	spin_lock_bh(&vcpu->arch.local_int.lock);
 	if (vcpu->arch.local_int.action_bits & ACTION_STORE_ON_STOP) {
 		vcpu->arch.local_int.action_bits &= ~ACTION_STORE_ON_STOP;
@@ -149,6 +148,8 @@
 	}
 
 	if (vcpu->arch.local_int.action_bits & ACTION_STOP_ON_STOP) {
+		atomic_set_mask(CPUSTAT_STOPPED,
+				&vcpu->arch.sie_block->cpuflags);
 		vcpu->arch.local_int.action_bits &= ~ACTION_STOP_ON_STOP;
 		VCPU_EVENT(vcpu, 3, "%s", "cpu stopped");
 		rc = -EOPNOTSUPP;
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 87c1670..278ee00 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -252,6 +252,7 @@
 			offsetof(struct _lowcore, restart_psw), sizeof(psw_t));
 		if (rc == -EFAULT)
 			exception = 1;
+		atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
 		break;
 
 	case KVM_S390_PROGRAM_INT:
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 0bd3bea..d1c44573 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -65,6 +65,7 @@
 	{ "instruction_stfl", VCPU_STAT(instruction_stfl) },
 	{ "instruction_tprot", VCPU_STAT(instruction_tprot) },
 	{ "instruction_sigp_sense", VCPU_STAT(instruction_sigp_sense) },
+	{ "instruction_sigp_sense_running", VCPU_STAT(instruction_sigp_sense_running) },
 	{ "instruction_sigp_external_call", VCPU_STAT(instruction_sigp_external_call) },
 	{ "instruction_sigp_emergency", VCPU_STAT(instruction_sigp_emergency) },
 	{ "instruction_sigp_stop", VCPU_STAT(instruction_sigp_stop) },
@@ -127,6 +128,7 @@
 	switch (ext) {
 	case KVM_CAP_S390_PSW:
 	case KVM_CAP_S390_GMAP:
+	case KVM_CAP_SYNC_MMU:
 		r = 1;
 		break;
 	default:
@@ -270,10 +272,12 @@
 	restore_fp_regs(&vcpu->arch.guest_fpregs);
 	restore_access_regs(vcpu->arch.guest_acrs);
 	gmap_enable(vcpu->arch.gmap);
+	atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
 }
 
 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
 {
+	atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
 	gmap_disable(vcpu->arch.gmap);
 	save_fp_regs(&vcpu->arch.guest_fpregs);
 	save_access_regs(vcpu->arch.guest_acrs);
@@ -301,7 +305,9 @@
 
 int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
 {
-	atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH | CPUSTAT_SM);
+	atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH |
+						    CPUSTAT_SM |
+						    CPUSTAT_STOPPED);
 	vcpu->arch.sie_block->ecb   = 6;
 	vcpu->arch.sie_block->eca   = 0xC1002001U;
 	vcpu->arch.sie_block->fac   = (int) (long) facilities;
@@ -428,7 +434,7 @@
 {
 	int rc = 0;
 
-	if (atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_RUNNING)
+	if (!(atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOPPED))
 		rc = -EBUSY;
 	else {
 		vcpu->run->psw_mask = psw.mask;
@@ -501,7 +507,7 @@
 	if (vcpu->sigset_active)
 		sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
 
-	atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
+	atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
 
 	BUG_ON(vcpu->kvm->arch.float_int.local_int[vcpu->vcpu_id] == NULL);
 
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 3916263..d026389 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -336,6 +336,7 @@
 	u64 address1 = disp1 + base1 ? vcpu->arch.guest_gprs[base1] : 0;
 	u64 address2 = disp2 + base2 ? vcpu->arch.guest_gprs[base2] : 0;
 	struct vm_area_struct *vma;
+	unsigned long user_address;
 
 	vcpu->stat.instruction_tprot++;
 
@@ -349,9 +350,14 @@
 		return -EOPNOTSUPP;
 
 
+	/* we must resolve the address without holding the mmap semaphore.
+	 * This is ok since the userspace hypervisor is not supposed to change
+	 * the mapping while the guest queries the memory. Otherwise the guest
+	 * might crash or get wrong info anyway. */
+	user_address = (unsigned long) __guestaddr_to_user(vcpu, address1);
+
 	down_read(&current->mm->mmap_sem);
-	vma = find_vma(current->mm,
-			(unsigned long) __guestaddr_to_user(vcpu, address1));
+	vma = find_vma(current->mm, user_address);
 	if (!vma) {
 		up_read(&current->mm->mmap_sem);
 		return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index f815118..0a7941d 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -31,9 +31,11 @@
 #define SIGP_SET_PREFIX        0x0d
 #define SIGP_STORE_STATUS_ADDR 0x0e
 #define SIGP_SET_ARCH          0x12
+#define SIGP_SENSE_RUNNING     0x15
 
 /* cpu status bits */
 #define SIGP_STAT_EQUIPMENT_CHECK   0x80000000UL
+#define SIGP_STAT_NOT_RUNNING	    0x00000400UL
 #define SIGP_STAT_INCORRECT_STATE   0x00000200UL
 #define SIGP_STAT_INVALID_PARAMETER 0x00000100UL
 #define SIGP_STAT_EXT_CALL_PENDING  0x00000080UL
@@ -57,8 +59,8 @@
 	spin_lock(&fi->lock);
 	if (fi->local_int[cpu_addr] == NULL)
 		rc = 3; /* not operational */
-	else if (atomic_read(fi->local_int[cpu_addr]->cpuflags)
-		 & CPUSTAT_RUNNING) {
+	else if (!(atomic_read(fi->local_int[cpu_addr]->cpuflags)
+		  & CPUSTAT_STOPPED)) {
 		*reg &= 0xffffffff00000000UL;
 		rc = 1; /* status stored */
 	} else {
@@ -251,7 +253,7 @@
 
 	spin_lock_bh(&li->lock);
 	/* cpu must be in stopped state */
-	if (atomic_read(li->cpuflags) & CPUSTAT_RUNNING) {
+	if (!(atomic_read(li->cpuflags) & CPUSTAT_STOPPED)) {
 		rc = 1; /* incorrect state */
 		*reg &= SIGP_STAT_INCORRECT_STATE;
 		kfree(inti);
@@ -275,6 +277,38 @@
 	return rc;
 }
 
+static int __sigp_sense_running(struct kvm_vcpu *vcpu, u16 cpu_addr,
+				unsigned long *reg)
+{
+	int rc;
+	struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int;
+
+	if (cpu_addr >= KVM_MAX_VCPUS)
+		return 3; /* not operational */
+
+	spin_lock(&fi->lock);
+	if (fi->local_int[cpu_addr] == NULL)
+		rc = 3; /* not operational */
+	else {
+		if (atomic_read(fi->local_int[cpu_addr]->cpuflags)
+		    & CPUSTAT_RUNNING) {
+			/* running */
+			rc = 1;
+		} else {
+			/* not running */
+			*reg &= 0xffffffff00000000UL;
+			*reg |= SIGP_STAT_NOT_RUNNING;
+			rc = 0;
+		}
+	}
+	spin_unlock(&fi->lock);
+
+	VCPU_EVENT(vcpu, 4, "sensed running status of cpu %x rc %x", cpu_addr,
+		   rc);
+
+	return rc;
+}
+
 int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
 {
 	int r1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4;
@@ -331,6 +365,11 @@
 		rc = __sigp_set_prefix(vcpu, cpu_addr, parameter,
 				       &vcpu->arch.guest_gprs[r1]);
 		break;
+	case SIGP_SENSE_RUNNING:
+		vcpu->stat.instruction_sigp_sense_running++;
+		rc = __sigp_sense_running(vcpu, cpu_addr,
+					  &vcpu->arch.guest_gprs[r1]);
+		break;
 	case SIGP_RESTART:
 		vcpu->stat.instruction_sigp_restart++;
 		/* user space must know about restart */
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 1766def..a9a3018 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -587,8 +587,13 @@
 		} else {
 			/* Completion interrupt was faster than initial
 			 * interrupt. Set pfault_wait to -1 so the initial
-			 * interrupt doesn't put the task to sleep. */
-			tsk->thread.pfault_wait = -1;
+			 * interrupt doesn't put the task to sleep.
+			 * If the task is not running, ignore the completion
+			 * interrupt since it must be a leftover of a PFAULT
+			 * CANCEL operation which didn't remove all pending
+			 * completion interrupts. */
+			if (tsk->state == TASK_RUNNING)
+				tsk->thread.pfault_wait = -1;
 		}
 		put_task_struct(tsk);
 	} else {
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index 5b31a8e..a790cc6 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -431,10 +431,6 @@
 #define kern_addr_valid(addr) \
 	(test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap))
 
-extern int io_remap_pfn_range(struct vm_area_struct *vma,
-			      unsigned long from, unsigned long pfn,
-			      unsigned long size, pgprot_t prot);
-
 /*
  * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
  * its high 4 bits.  These macros/functions put it there or get it from there.
@@ -443,6 +439,22 @@
 #define GET_IOSPACE(pfn)		(pfn >> (BITS_PER_LONG - 4))
 #define GET_PFN(pfn)			(pfn & 0x0fffffffUL)
 
+extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+			   unsigned long, pgprot_t);
+
+static inline int io_remap_pfn_range(struct vm_area_struct *vma,
+				     unsigned long from, unsigned long pfn,
+				     unsigned long size, pgprot_t prot)
+{
+	unsigned long long offset, space, phys_base;
+
+	offset = ((unsigned long long) GET_PFN(pfn)) << PAGE_SHIFT;
+	space = GET_IOSPACE(pfn);
+	phys_base = offset | (space << 32ULL);
+
+	return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
+}
+
 #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
 #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
 ({									  \
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index adf8932..38ebb2c 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -757,10 +757,6 @@
 
 extern int page_in_phys_avail(unsigned long paddr);
 
-extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
-			       unsigned long pfn,
-			       unsigned long size, pgprot_t prot);
-
 /*
  * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
  * its high 4 bits.  These macros/functions put it there or get it from there.
@@ -769,6 +765,22 @@
 #define GET_IOSPACE(pfn)		(pfn >> (BITS_PER_LONG - 4))
 #define GET_PFN(pfn)			(pfn & 0x0fffffffffffffffUL)
 
+extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+			   unsigned long, pgprot_t);
+
+static inline int io_remap_pfn_range(struct vm_area_struct *vma,
+				     unsigned long from, unsigned long pfn,
+				     unsigned long size, pgprot_t prot)
+{
+	unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
+	int space = GET_IOSPACE(pfn);
+	unsigned long phys_base;
+
+	phys_base = offset | (((unsigned long) space) << 32UL);
+
+	return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
+}
+
 #include <asm-generic/pgtable.h>
 
 /* We provide our own get_unmapped_area to cope with VA holes and
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h
index e27f8ea..0c218e4 100644
--- a/arch/sparc/kernel/entry.h
+++ b/arch/sparc/kernel/entry.h
@@ -42,6 +42,9 @@
 extern void fpload(unsigned long *fpregs, unsigned long *fsr);
 
 #else /* CONFIG_SPARC32 */
+
+#include <asm/trap_block.h>
+
 struct popc_3insn_patch_entry {
 	unsigned int	addr;
 	unsigned int	insns[3];
@@ -57,6 +60,10 @@
 	__popc_6insn_patch_end;
 
 extern void __init per_cpu_patch(void);
+extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *,
+				    struct sun4v_1insn_patch_entry *);
+extern void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *,
+				    struct sun4v_2insn_patch_entry *);
 extern void __init sun4v_patch(void);
 extern void __init boot_cpu_id_too_large(int cpu);
 extern unsigned int dcache_parity_tl1_occurred;
diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c
index da0c6c7..e551987 100644
--- a/arch/sparc/kernel/module.c
+++ b/arch/sparc/kernel/module.c
@@ -17,6 +17,8 @@
 #include <asm/processor.h>
 #include <asm/spitfire.h>
 
+#include "entry.h"
+
 #ifdef CONFIG_SPARC64
 
 #include <linux/jump_label.h>
@@ -203,6 +205,29 @@
 }
 
 #ifdef CONFIG_SPARC64
+static void do_patch_sections(const Elf_Ehdr *hdr,
+			      const Elf_Shdr *sechdrs)
+{
+	const Elf_Shdr *s, *sun4v_1insn = NULL, *sun4v_2insn = NULL;
+	char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
+
+	for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) {
+		if (!strcmp(".sun4v_1insn_patch", secstrings + s->sh_name))
+			sun4v_1insn = s;
+		if (!strcmp(".sun4v_2insn_patch", secstrings + s->sh_name))
+			sun4v_2insn = s;
+	}
+
+	if (sun4v_1insn && tlb_type == hypervisor) {
+		void *p = (void *) sun4v_1insn->sh_addr;
+		sun4v_patch_1insn_range(p, p + sun4v_1insn->sh_size);
+	}
+	if (sun4v_2insn && tlb_type == hypervisor) {
+		void *p = (void *) sun4v_2insn->sh_addr;
+		sun4v_patch_2insn_range(p, p + sun4v_2insn->sh_size);
+	}
+}
+
 int module_finalize(const Elf_Ehdr *hdr,
 		    const Elf_Shdr *sechdrs,
 		    struct module *me)
@@ -210,6 +235,8 @@
 	/* make jump label nops */
 	jump_label_apply_nops(me);
 
+	do_patch_sections(hdr, sechdrs);
+
 	/* Cheetah's I-cache is fully coherent.  */
 	if (tlb_type == spitfire) {
 		unsigned long va;
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index c965595a..a854a1c 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -234,40 +234,50 @@
 	}
 }
 
+void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *start,
+			     struct sun4v_1insn_patch_entry *end)
+{
+	while (start < end) {
+		unsigned long addr = start->addr;
+
+		*(unsigned int *) (addr +  0) = start->insn;
+		wmb();
+		__asm__ __volatile__("flush	%0" : : "r" (addr +  0));
+
+		start++;
+	}
+}
+
+void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *start,
+			     struct sun4v_2insn_patch_entry *end)
+{
+	while (start < end) {
+		unsigned long addr = start->addr;
+
+		*(unsigned int *) (addr +  0) = start->insns[0];
+		wmb();
+		__asm__ __volatile__("flush	%0" : : "r" (addr +  0));
+
+		*(unsigned int *) (addr +  4) = start->insns[1];
+		wmb();
+		__asm__ __volatile__("flush	%0" : : "r" (addr +  4));
+
+		start++;
+	}
+}
+
 void __init sun4v_patch(void)
 {
 	extern void sun4v_hvapi_init(void);
-	struct sun4v_1insn_patch_entry *p1;
-	struct sun4v_2insn_patch_entry *p2;
 
 	if (tlb_type != hypervisor)
 		return;
 
-	p1 = &__sun4v_1insn_patch;
-	while (p1 < &__sun4v_1insn_patch_end) {
-		unsigned long addr = p1->addr;
+	sun4v_patch_1insn_range(&__sun4v_1insn_patch,
+				&__sun4v_1insn_patch_end);
 
-		*(unsigned int *) (addr +  0) = p1->insn;
-		wmb();
-		__asm__ __volatile__("flush	%0" : : "r" (addr +  0));
-
-		p1++;
-	}
-
-	p2 = &__sun4v_2insn_patch;
-	while (p2 < &__sun4v_2insn_patch_end) {
-		unsigned long addr = p2->addr;
-
-		*(unsigned int *) (addr +  0) = p2->insns[0];
-		wmb();
-		__asm__ __volatile__("flush	%0" : : "r" (addr +  0));
-
-		*(unsigned int *) (addr +  4) = p2->insns[1];
-		wmb();
-		__asm__ __volatile__("flush	%0" : : "r" (addr +  4));
-
-		p2++;
-	}
+	sun4v_patch_2insn_range(&__sun4v_2insn_patch,
+				&__sun4v_2insn_patch_end);
 
 	sun4v_hvapi_init();
 }
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 2caa556..023b886 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -822,21 +822,23 @@
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
  * mistake.
  */
-void do_signal32(sigset_t *oldset, struct pt_regs * regs,
-		 int restart_syscall, unsigned long orig_i0)
+void do_signal32(sigset_t *oldset, struct pt_regs * regs)
 {
 	struct k_sigaction ka;
+	unsigned long orig_i0;
+	int restart_syscall;
 	siginfo_t info;
 	int signr;
 	
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 
-	/* If the debugger messes with the program counter, it clears
-	 * the "in syscall" bit, directing us to not perform a syscall
-	 * restart.
-	 */
-	if (restart_syscall && !pt_regs_is_syscall(regs))
-		restart_syscall = 0;
+	restart_syscall = 0;
+	orig_i0 = 0;
+	if (pt_regs_is_syscall(regs) &&
+	    (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
+		restart_syscall = 1;
+		orig_i0 = regs->u_regs[UREG_G6];
+	}
 
 	if (signr > 0) {
 		if (restart_syscall)
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 8ce247a..d54c6e5 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -519,10 +519,26 @@
 	siginfo_t info;
 	int signr;
 
+	/* It's a lot of work and synchronization to add a new ptrace
+	 * register for GDB to save and restore in order to get
+	 * orig_i0 correct for syscall restarts when debugging.
+	 *
+	 * Although it should be the case that most of the global
+	 * registers are volatile across a system call, glibc already
+	 * depends upon that fact that we preserve them.  So we can't
+	 * just use any global register to save away the orig_i0 value.
+	 *
+	 * In particular %g2, %g3, %g4, and %g5 are all assumed to be
+	 * preserved across a system call trap by various pieces of
+	 * code in glibc.
+	 *
+	 * %g7 is used as the "thread register".   %g6 is not used in
+	 * any fixed manner.  %g6 is used as a scratch register and
+	 * a compiler temporary, but it's value is never used across
+	 * a system call.  Therefore %g6 is usable for orig_i0 storage.
+	 */
 	if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C))
-		restart_syscall = 1;
-	else
-		restart_syscall = 0;
+		regs->u_regs[UREG_G6] = orig_i0;
 
 	if (test_thread_flag(TIF_RESTORE_SIGMASK))
 		oldset = &current->saved_sigmask;
@@ -535,8 +551,12 @@
 	 * the software "in syscall" bit, directing us to not perform
 	 * a syscall restart.
 	 */
-	if (restart_syscall && !pt_regs_is_syscall(regs))
-		restart_syscall = 0;
+	restart_syscall = 0;
+	if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) {
+		restart_syscall = 1;
+		orig_i0 = regs->u_regs[UREG_G6];
+	}
+
 
 	if (signr > 0) {
 		if (restart_syscall)
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index a2b8159..f0836cd 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -529,11 +529,27 @@
 	siginfo_t info;
 	int signr;
 	
+	/* It's a lot of work and synchronization to add a new ptrace
+	 * register for GDB to save and restore in order to get
+	 * orig_i0 correct for syscall restarts when debugging.
+	 *
+	 * Although it should be the case that most of the global
+	 * registers are volatile across a system call, glibc already
+	 * depends upon that fact that we preserve them.  So we can't
+	 * just use any global register to save away the orig_i0 value.
+	 *
+	 * In particular %g2, %g3, %g4, and %g5 are all assumed to be
+	 * preserved across a system call trap by various pieces of
+	 * code in glibc.
+	 *
+	 * %g7 is used as the "thread register".   %g6 is not used in
+	 * any fixed manner.  %g6 is used as a scratch register and
+	 * a compiler temporary, but it's value is never used across
+	 * a system call.  Therefore %g6 is usable for orig_i0 storage.
+	 */
 	if (pt_regs_is_syscall(regs) &&
-	    (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
-		restart_syscall = 1;
-	} else
-		restart_syscall = 0;
+	    (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY)))
+		regs->u_regs[UREG_G6] = orig_i0;
 
 	if (current_thread_info()->status & TS_RESTORE_SIGMASK)
 		oldset = &current->saved_sigmask;
@@ -542,22 +558,20 @@
 
 #ifdef CONFIG_COMPAT
 	if (test_thread_flag(TIF_32BIT)) {
-		extern void do_signal32(sigset_t *, struct pt_regs *,
-					int restart_syscall,
-					unsigned long orig_i0);
-		do_signal32(oldset, regs, restart_syscall, orig_i0);
+		extern void do_signal32(sigset_t *, struct pt_regs *);
+		do_signal32(oldset, regs);
 		return;
 	}
 #endif	
 
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 
-	/* If the debugger messes with the program counter, it clears
-	 * the software "in syscall" bit, directing us to not perform
-	 * a syscall restart.
-	 */
-	if (restart_syscall && !pt_regs_is_syscall(regs))
-		restart_syscall = 0;
+	restart_syscall = 0;
+	if (pt_regs_is_syscall(regs) &&
+	    (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
+		restart_syscall = 1;
+		orig_i0 = regs->u_regs[UREG_G6];
+	}
 
 	if (signr > 0) {
 		if (restart_syscall)
diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c
index e7dc508..b19570d 100644
--- a/arch/sparc/kernel/sigutil_64.c
+++ b/arch/sparc/kernel/sigutil_64.c
@@ -2,6 +2,7 @@
 #include <linux/types.h>
 #include <linux/thread_info.h>
 #include <linux/uaccess.h>
+#include <linux/errno.h>
 
 #include <asm/sigcontext.h>
 #include <asm/fpumacro.h>
diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile
index e3cda21..301421c 100644
--- a/arch/sparc/mm/Makefile
+++ b/arch/sparc/mm/Makefile
@@ -8,7 +8,6 @@
 obj-y                   += fault_$(BITS).o
 obj-y                   += init_$(BITS).o
 obj-$(CONFIG_SPARC32)   += loadmmu.o
-obj-y                   += generic_$(BITS).o
 obj-$(CONFIG_SPARC32)   += extable.o btfixup.o srmmu.o iommu.o io-unit.o
 obj-$(CONFIG_SPARC32)   += hypersparc.o viking.o tsunami.o swift.o
 obj-$(CONFIG_SPARC_LEON)+= leon_mm.o
diff --git a/arch/sparc/mm/generic_32.c b/arch/sparc/mm/generic_32.c
deleted file mode 100644
index 6ca39a6..0000000
--- a/arch/sparc/mm/generic_32.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * generic.c: Generic Sparc mm routines that are not dependent upon
- *            MMU type but are Sparc specific.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/pagemap.h>
-#include <linux/export.h>
-
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
-
-/* Remap IO memory, the same way as remap_pfn_range(), but use
- * the obio memory space.
- *
- * They use a pgprot that sets PAGE_IO and does not check the
- * mem_map table as this is independent of normal memory.
- */
-static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigned long address, unsigned long size,
-	unsigned long offset, pgprot_t prot, int space)
-{
-	unsigned long end;
-
-	address &= ~PMD_MASK;
-	end = address + size;
-	if (end > PMD_SIZE)
-		end = PMD_SIZE;
-	do {
-		set_pte_at(mm, address, pte, mk_pte_io(offset, prot, space));
-		address += PAGE_SIZE;
-		offset += PAGE_SIZE;
-		pte++;
-	} while (address < end);
-}
-
-static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size,
-	unsigned long offset, pgprot_t prot, int space)
-{
-	unsigned long end;
-
-	address &= ~PGDIR_MASK;
-	end = address + size;
-	if (end > PGDIR_SIZE)
-		end = PGDIR_SIZE;
-	offset -= address;
-	do {
-		pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
-		if (!pte)
-			return -ENOMEM;
-		io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
-		address = (address + PMD_SIZE) & PMD_MASK;
-		pmd++;
-	} while (address < end);
-	return 0;
-}
-
-int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
-		       unsigned long pfn, unsigned long size, pgprot_t prot)
-{
-	int error = 0;
-	pgd_t * dir;
-	unsigned long beg = from;
-	unsigned long end = from + size;
-	struct mm_struct *mm = vma->vm_mm;
-	int space = GET_IOSPACE(pfn);
-	unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
-
-	/* See comment in mm/memory.c remap_pfn_range */
-	vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
-	vma->vm_pgoff = (offset >> PAGE_SHIFT) |
-		((unsigned long)space << 28UL);
-
-	offset -= from;
-	dir = pgd_offset(mm, from);
-	flush_cache_range(vma, beg, end);
-
-	while (from < end) {
-		pmd_t *pmd = pmd_alloc(mm, dir, from);
-		error = -ENOMEM;
-		if (!pmd)
-			break;
-		error = io_remap_pmd_range(mm, pmd, from, end - from, offset + from, prot, space);
-		if (error)
-			break;
-		from = (from + PGDIR_SIZE) & PGDIR_MASK;
-		dir++;
-	}
-
-	flush_tlb_range(vma, beg, end);
-	return error;
-}
-EXPORT_SYMBOL(io_remap_pfn_range);
diff --git a/arch/sparc/mm/generic_64.c b/arch/sparc/mm/generic_64.c
deleted file mode 100644
index 9b357dd..0000000
--- a/arch/sparc/mm/generic_64.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * generic.c: Generic Sparc mm routines that are not dependent upon
- *            MMU type but are Sparc specific.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/export.h>
-#include <linux/pagemap.h>
-
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/tlbflush.h>
-
-/* Remap IO memory, the same way as remap_pfn_range(), but use
- * the obio memory space.
- *
- * They use a pgprot that sets PAGE_IO and does not check the
- * mem_map table as this is independent of normal memory.
- */
-static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte,
-				      unsigned long address,
-				      unsigned long size,
-				      unsigned long offset, pgprot_t prot,
-				      int space)
-{
-	unsigned long end;
-
-	/* clear hack bit that was used as a write_combine side-effect flag */
-	offset &= ~0x1UL;
-	address &= ~PMD_MASK;
-	end = address + size;
-	if (end > PMD_SIZE)
-		end = PMD_SIZE;
-	do {
-		pte_t entry;
-		unsigned long curend = address + PAGE_SIZE;
-		
-		entry = mk_pte_io(offset, prot, space, PAGE_SIZE);
-		if (!(address & 0xffff)) {
-			if (PAGE_SIZE < (4 * 1024 * 1024) &&
-			    !(address & 0x3fffff) &&
-			    !(offset & 0x3ffffe) &&
-			    end >= address + 0x400000) {
-				entry = mk_pte_io(offset, prot, space,
-						  4 * 1024 * 1024);
-				curend = address + 0x400000;
-				offset += 0x400000;
-			} else if (PAGE_SIZE < (512 * 1024) &&
-				   !(address & 0x7ffff) &&
-				   !(offset & 0x7fffe) &&
-				   end >= address + 0x80000) {
-				entry = mk_pte_io(offset, prot, space,
-						  512 * 1024 * 1024);
-				curend = address + 0x80000;
-				offset += 0x80000;
-			} else if (PAGE_SIZE < (64 * 1024) &&
-				   !(offset & 0xfffe) &&
-				   end >= address + 0x10000) {
-				entry = mk_pte_io(offset, prot, space,
-						  64 * 1024);
-				curend = address + 0x10000;
-				offset += 0x10000;
-			} else
-				offset += PAGE_SIZE;
-		} else
-			offset += PAGE_SIZE;
-
-		if (pte_write(entry))
-			entry = pte_mkdirty(entry);
-		do {
-			BUG_ON(!pte_none(*pte));
-			set_pte_at(mm, address, pte, entry);
-			address += PAGE_SIZE;
-			pte_val(entry) += PAGE_SIZE;
-			pte++;
-		} while (address < curend);
-	} while (address < end);
-}
-
-static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size,
-	unsigned long offset, pgprot_t prot, int space)
-{
-	unsigned long end;
-
-	address &= ~PGDIR_MASK;
-	end = address + size;
-	if (end > PGDIR_SIZE)
-		end = PGDIR_SIZE;
-	offset -= address;
-	do {
-		pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
-		if (!pte)
-			return -ENOMEM;
-		io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
-		pte_unmap(pte);
-		address = (address + PMD_SIZE) & PMD_MASK;
-		pmd++;
-	} while (address < end);
-	return 0;
-}
-
-static inline int io_remap_pud_range(struct mm_struct *mm, pud_t * pud, unsigned long address, unsigned long size,
-	unsigned long offset, pgprot_t prot, int space)
-{
-	unsigned long end;
-
-	address &= ~PUD_MASK;
-	end = address + size;
-	if (end > PUD_SIZE)
-		end = PUD_SIZE;
-	offset -= address;
-	do {
-		pmd_t *pmd = pmd_alloc(mm, pud, address);
-		if (!pud)
-			return -ENOMEM;
-		io_remap_pmd_range(mm, pmd, address, end - address, address + offset, prot, space);
-		address = (address + PUD_SIZE) & PUD_MASK;
-		pud++;
-	} while (address < end);
-	return 0;
-}
-
-int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
-		unsigned long pfn, unsigned long size, pgprot_t prot)
-{
-	int error = 0;
-	pgd_t * dir;
-	unsigned long beg = from;
-	unsigned long end = from + size;
-	struct mm_struct *mm = vma->vm_mm;
-	int space = GET_IOSPACE(pfn);
-	unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
-	unsigned long phys_base;
-
-	phys_base = offset | (((unsigned long) space) << 32UL);
-
-	/* See comment in mm/memory.c remap_pfn_range */
-	vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
-	vma->vm_pgoff = phys_base >> PAGE_SHIFT;
-
-	offset -= from;
-	dir = pgd_offset(mm, from);
-	flush_cache_range(vma, beg, end);
-
-	while (from < end) {
-		pud_t *pud = pud_alloc(mm, dir, from);
-		error = -ENOMEM;
-		if (!pud)
-			break;
-		error = io_remap_pud_range(mm, pud, from, end - from, offset + from, prot, space);
-		if (error)
-			break;
-		from = (from + PGDIR_SIZE) & PGDIR_MASK;
-		dir++;
-	}
-
-	flush_tlb_range(vma, beg, end);
-	return error;
-}
-EXPORT_SYMBOL(io_remap_pfn_range);
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index e57dcce..942ed61 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -237,13 +237,13 @@
 
 config I2C_BATTERY_BQ27200
 	tristate "I2C Battery BQ27200 Support"
-	select PUV3_I2C
+	select I2C_PUV3
 	select POWER_SUPPLY
 	select BATTERY_BQ27x00
 
 config I2C_EEPROM_AT24
 	tristate "I2C EEPROMs AT24 support"
-	select PUV3_I2C
+	select I2C_PUV3
 	select MISC_DEVICES
 	select EEPROM_AT24
 
diff --git a/arch/unicore32/Kconfig.debug b/arch/unicore32/Kconfig.debug
index ae2ec33..1a36262 100644
--- a/arch/unicore32/Kconfig.debug
+++ b/arch/unicore32/Kconfig.debug
@@ -44,18 +44,4 @@
 	  Say Y here if you want the debug print routines to direct their
 	  output to the UniCore On-Chip-Debugger channel using CP #1.
 
-config DEBUG_OCD_BREAKPOINT
-	bool "Breakpoint support via On-Chip-Debugger"
-	depends on DEBUG_OCD
-
-config DEBUG_UART
-	int "Kernel low-level debugging messages via serial port"
-	depends on DEBUG_LL
-	range 0 1
-	default "0"
-	help
-	  Choice for UART for kernel low-level using PKUnity UARTS,
-	  should be between zero and one. The port must have been
-	  initialised by the boot-loader before use.
-
 endmenu
diff --git a/arch/unicore32/boot/compressed/Makefile b/arch/unicore32/boot/compressed/Makefile
index b0954a2..950a9af 100644
--- a/arch/unicore32/boot/compressed/Makefile
+++ b/arch/unicore32/boot/compressed/Makefile
@@ -10,8 +10,8 @@
 # Copyright (C) 2001~2010 GUAN Xue-tao
 #
 
-EXTRA_CFLAGS	:= -fpic -fno-builtin
-EXTRA_AFLAGS	:= -Wa,-march=all
+ccflags-y	:= -fpic -fno-builtin
+asflags-y	:= -Wa,-march=all
 
 OBJS		:= misc.o
 
diff --git a/arch/unicore32/include/asm/bitops.h b/arch/unicore32/include/asm/bitops.h
index 1628a63..401f597 100644
--- a/arch/unicore32/include/asm/bitops.h
+++ b/arch/unicore32/include/asm/bitops.h
@@ -13,12 +13,6 @@
 #ifndef __UNICORE_BITOPS_H__
 #define __UNICORE_BITOPS_H__
 
-#define find_next_bit		__uc32_find_next_bit
-#define find_next_zero_bit	__uc32_find_next_zero_bit
-
-#define find_first_bit		__uc32_find_first_bit
-#define find_first_zero_bit	__uc32_find_first_zero_bit
-
 #define _ASM_GENERIC_BITOPS_FLS_H_
 #define _ASM_GENERIC_BITOPS___FLS_H_
 #define _ASM_GENERIC_BITOPS_FFS_H_
@@ -44,4 +38,10 @@
 
 #include <asm-generic/bitops.h>
 
+/* following definitions: to avoid using codes in lib/find_*.c */
+#define find_next_bit		find_next_bit
+#define find_next_zero_bit	find_next_zero_bit
+#define find_first_bit		find_first_bit
+#define find_first_zero_bit	find_first_zero_bit
+
 #endif /* __UNICORE_BITOPS_H__ */
diff --git a/arch/unicore32/include/asm/processor.h b/arch/unicore32/include/asm/processor.h
index e11cb07..f0d780a 100644
--- a/arch/unicore32/include/asm/processor.h
+++ b/arch/unicore32/include/asm/processor.h
@@ -53,7 +53,6 @@
 #define start_thread(regs, pc, sp)					\
 ({									\
 	unsigned long *stack = (unsigned long *)sp;			\
-	set_fs(USER_DS);						\
 	memset(regs->uregs, 0, sizeof(regs->uregs));			\
 	regs->UCreg_asr = USER_MODE;					\
 	regs->UCreg_pc = pc & ~1;	/* pc */                        \
diff --git a/arch/unicore32/kernel/ksyms.c b/arch/unicore32/kernel/ksyms.c
index a897080..d98bd81 100644
--- a/arch/unicore32/kernel/ksyms.c
+++ b/arch/unicore32/kernel/ksyms.c
@@ -24,8 +24,8 @@
 
 #include "ksyms.h"
 
-EXPORT_SYMBOL(__uc32_find_next_zero_bit);
-EXPORT_SYMBOL(__uc32_find_next_bit);
+EXPORT_SYMBOL(find_next_zero_bit);
+EXPORT_SYMBOL(find_next_bit);
 
 EXPORT_SYMBOL(__backtrace);
 
diff --git a/arch/unicore32/lib/findbit.S b/arch/unicore32/lib/findbit.S
index c360ce9..c777462 100644
--- a/arch/unicore32/lib/findbit.S
+++ b/arch/unicore32/lib/findbit.S
@@ -17,7 +17,7 @@
  * Purpose  : Find a 'zero' bit
  * Prototype: int find_first_zero_bit(void *addr, unsigned int maxbit);
  */
-__uc32_find_first_zero_bit:
+ENTRY(find_first_zero_bit)
 		cxor.a	r1, #0
 		beq	3f
 		mov	r2, #0
@@ -29,13 +29,14 @@
 		bub	1b
 3:		mov	r0, r1			@ no free bits
 		mov	pc, lr
+ENDPROC(find_first_zero_bit)
 
 /*
  * Purpose  : Find next 'zero' bit
  * Prototype: int find_next_zero_bit
  *		(void *addr, unsigned int maxbit, int offset)
  */
-ENTRY(__uc32_find_next_zero_bit)
+ENTRY(find_next_zero_bit)
 		cxor.a	r1, #0
 		beq	3b
 		and.a	ip, r2, #7
@@ -47,14 +48,14 @@
 		or	r2, r2, #7		@ if zero, then no bits here
 		add	r2, r2, #1		@ align bit pointer
 		b	2b			@ loop for next bit
-ENDPROC(__uc32_find_next_zero_bit)
+ENDPROC(find_next_zero_bit)
 
 /*
  * Purpose  : Find a 'one' bit
  * Prototype: int find_first_bit
  *		(const unsigned long *addr, unsigned int maxbit);
  */
-__uc32_find_first_bit:
+ENTRY(find_first_bit)
 		cxor.a	r1, #0
 		beq	3f
 		mov	r2, #0
@@ -66,13 +67,14 @@
 		bub	1b
 3:		mov	r0, r1			@ no free bits
 		mov	pc, lr
+ENDPROC(find_first_bit)
 
 /*
  * Purpose  : Find next 'one' bit
  * Prototype: int find_next_zero_bit
  *		(void *addr, unsigned int maxbit, int offset)
  */
-ENTRY(__uc32_find_next_bit)
+ENTRY(find_next_bit)
 		cxor.a	r1, #0
 		beq	3b
 		and.a	ip, r2, #7
@@ -83,7 +85,7 @@
 		or	r2, r2, #7		@ if zero, then no bits here
 		add	r2, r2, #1		@ align bit pointer
 		b	2b			@ loop for next bit
-ENDPROC(__uc32_find_next_bit)
+ENDPROC(find_next_bit)
 
 /*
  * One or more bits in the LSB of r3 are assumed to be set.
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 9b7273c..1a6c09a 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -49,6 +49,7 @@
 extern int local_apic_timer_c2_ok;
 
 extern int disable_apic;
+extern unsigned int lapic_timer_frequency;
 
 #ifdef CONFIG_SMP
 extern void __inquire_remote_apic(int apicid);
diff --git a/arch/x86/include/asm/mach_traps.h b/arch/x86/include/asm/mach_traps.h
index 72a8b52..a01e7ec7 100644
--- a/arch/x86/include/asm/mach_traps.h
+++ b/arch/x86/include/asm/mach_traps.h
@@ -17,7 +17,7 @@
 #define NMI_REASON_CLEAR_IOCHK	0x08
 #define NMI_REASON_CLEAR_MASK	0x0f
 
-static inline unsigned char get_nmi_reason(void)
+static inline unsigned char default_get_nmi_reason(void)
 {
 	return inb(NMI_REASON_PORT);
 }
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index c9321f3..0e8ae57 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -201,7 +201,10 @@
 void mce_notify_process(void);
 
 DECLARE_PER_CPU(struct mce, injectm);
-extern struct file_operations mce_chrdev_ops;
+
+extern void register_mce_write_callback(ssize_t (*)(struct file *filp,
+				    const char __user *ubuf,
+				    size_t usize, loff_t *off));
 
 /*
  * Exception handler
diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h
index 719f00b..e628312 100644
--- a/arch/x86/include/asm/mrst.h
+++ b/arch/x86/include/asm/mrst.h
@@ -44,6 +44,13 @@
 
 extern enum mrst_timer_options mrst_timer_options;
 
+/*
+ * Penwell uses spread spectrum clock, so the freq number is not exactly
+ * the same as reported by MSR based on SDM.
+ */
+#define PENWELL_FSB_FREQ_83SKU         83200
+#define PENWELL_FSB_FREQ_100SKU        99840
+
 #define SFI_MTMR_MAX_NUM 8
 #define SFI_MRTC_MAX	8
 
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index d3d8590..1971e65 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -152,6 +152,7 @@
 /**
  * struct x86_platform_ops - platform specific runtime functions
  * @calibrate_tsc:		calibrate TSC
+ * @wallclock_init:		init the wallclock device
  * @get_wallclock:		get time from HW clock like RTC etc.
  * @set_wallclock:		set time back to HW clock
  * @is_untracked_pat_range	exclude from PAT logic
@@ -160,11 +161,13 @@
  */
 struct x86_platform_ops {
 	unsigned long (*calibrate_tsc)(void);
+	void (*wallclock_init)(void);
 	unsigned long (*get_wallclock)(void);
 	int (*set_wallclock)(unsigned long nowtime);
 	void (*iommu_shutdown)(void);
 	bool (*is_untracked_pat_range)(u64 start, u64 end);
 	void (*nmi_init)(void);
+	unsigned char (*get_nmi_reason)(void);
 	int (*i8042_detect)(void);
 };
 
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index c638228..1f84794 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -738,5 +738,5 @@
 
 	atomic_set(&stop_machine_first, 1);
 	wrote_text = 0;
-	__stop_machine(stop_machine_text_poke, (void *)&tpp, NULL);
+	__stop_machine(stop_machine_text_poke, (void *)&tpp, cpu_online_mask);
 }
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index a2fd72e..f98d84c 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -186,7 +186,7 @@
 	.flags = IORESOURCE_MEM | IORESOURCE_BUSY,
 };
 
-static unsigned int calibration_result;
+unsigned int lapic_timer_frequency = 0;
 
 static void apic_pm_activate(void);
 
@@ -454,7 +454,7 @@
 	switch (mode) {
 	case CLOCK_EVT_MODE_PERIODIC:
 	case CLOCK_EVT_MODE_ONESHOT:
-		__setup_APIC_LVTT(calibration_result,
+		__setup_APIC_LVTT(lapic_timer_frequency,
 				  mode != CLOCK_EVT_MODE_PERIODIC, 1);
 		break;
 	case CLOCK_EVT_MODE_UNUSED:
@@ -638,6 +638,25 @@
 	long delta, deltatsc;
 	int pm_referenced = 0;
 
+	/**
+	 * check if lapic timer has already been calibrated by platform
+	 * specific routine, such as tsc calibration code. if so, we just fill
+	 * in the clockevent structure and return.
+	 */
+
+	if (lapic_timer_frequency) {
+		apic_printk(APIC_VERBOSE, "lapic timer already calibrated %d\n",
+				lapic_timer_frequency);
+		lapic_clockevent.mult = div_sc(lapic_timer_frequency/APIC_DIVISOR,
+					TICK_NSEC, lapic_clockevent.shift);
+		lapic_clockevent.max_delta_ns =
+			clockevent_delta2ns(0x7FFFFF, &lapic_clockevent);
+		lapic_clockevent.min_delta_ns =
+			clockevent_delta2ns(0xF, &lapic_clockevent);
+		lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY;
+		return 0;
+	}
+
 	local_irq_disable();
 
 	/* Replace the global interrupt handler */
@@ -679,12 +698,12 @@
 	lapic_clockevent.min_delta_ns =
 		clockevent_delta2ns(0xF, &lapic_clockevent);
 
-	calibration_result = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS;
+	lapic_timer_frequency = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS;
 
 	apic_printk(APIC_VERBOSE, "..... delta %ld\n", delta);
 	apic_printk(APIC_VERBOSE, "..... mult: %u\n", lapic_clockevent.mult);
 	apic_printk(APIC_VERBOSE, "..... calibration result: %u\n",
-		    calibration_result);
+		    lapic_timer_frequency);
 
 	if (cpu_has_tsc) {
 		apic_printk(APIC_VERBOSE, "..... CPU clock speed is "
@@ -695,13 +714,13 @@
 
 	apic_printk(APIC_VERBOSE, "..... host bus clock speed is "
 		    "%u.%04u MHz.\n",
-		    calibration_result / (1000000 / HZ),
-		    calibration_result % (1000000 / HZ));
+		    lapic_timer_frequency / (1000000 / HZ),
+		    lapic_timer_frequency % (1000000 / HZ));
 
 	/*
 	 * Do a sanity check on the APIC calibration result
 	 */
-	if (calibration_result < (1000000 / HZ)) {
+	if (lapic_timer_frequency < (1000000 / HZ)) {
 		local_irq_enable();
 		pr_warning("APIC frequency too slow, disabling apic timer\n");
 		return -1;
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 3c31fa9..6d939d7 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -193,10 +193,8 @@
 	struct irq_cfg *cfg;
 	int count, node, i;
 
-	if (!legacy_pic->nr_legacy_irqs) {
-		nr_irqs_gsi = 0;
+	if (!legacy_pic->nr_legacy_irqs)
 		io_apic_irqs = ~0UL;
-	}
 
 	for (i = 0; i < nr_ioapics; i++) {
 		ioapics[i].saved_registers =
@@ -1696,6 +1694,7 @@
 	int ioapic_idx;
 	struct irq_cfg *cfg;
 	unsigned int irq;
+	struct irq_chip *chip;
 
 	printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries);
 	for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++)
@@ -1716,6 +1715,10 @@
 	for_each_active_irq(irq) {
 		struct irq_pin_list *entry;
 
+		chip = irq_get_chip(irq);
+		if (chip != &ioapic_chip)
+			continue;
+
 		cfg = irq_get_chip_data(irq);
 		if (!cfg)
 			continue;
diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c
index 6199232..319882e 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-inject.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c
@@ -208,7 +208,7 @@
 	if (!alloc_cpumask_var(&mce_inject_cpumask, GFP_KERNEL))
 		return -ENOMEM;
 	printk(KERN_INFO "Machine check injector initialized\n");
-	mce_chrdev_ops.write = mce_write;
+	register_mce_write_callback(mce_write);
 	register_nmi_handler(NMI_LOCAL, mce_raise_notify, 0,
 				"mce_notify");
 	return 0;
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 362056a..2af127d 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1634,16 +1634,35 @@
 	}
 }
 
-/* Modified in mce-inject.c, so not static or const */
-struct file_operations mce_chrdev_ops = {
+static ssize_t (*mce_write)(struct file *filp, const char __user *ubuf,
+			    size_t usize, loff_t *off);
+
+void register_mce_write_callback(ssize_t (*fn)(struct file *filp,
+			     const char __user *ubuf,
+			     size_t usize, loff_t *off))
+{
+	mce_write = fn;
+}
+EXPORT_SYMBOL_GPL(register_mce_write_callback);
+
+ssize_t mce_chrdev_write(struct file *filp, const char __user *ubuf,
+			 size_t usize, loff_t *off)
+{
+	if (mce_write)
+		return mce_write(filp, ubuf, usize, off);
+	else
+		return -EINVAL;
+}
+
+static const struct file_operations mce_chrdev_ops = {
 	.open			= mce_chrdev_open,
 	.release		= mce_chrdev_release,
 	.read			= mce_chrdev_read,
+	.write			= mce_chrdev_write,
 	.poll			= mce_chrdev_poll,
 	.unlocked_ioctl		= mce_chrdev_ioctl,
 	.llseek			= no_llseek,
 };
-EXPORT_SYMBOL_GPL(mce_chrdev_ops);
 
 static struct miscdevice mce_chrdev_device = {
 	MISC_MCELOG_MINOR,
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index c1a0188..44842d7 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -74,9 +74,10 @@
 	struct pvclock_vcpu_time_info *src;
 	cycle_t ret;
 
-	src = &get_cpu_var(hv_clock);
+	preempt_disable_notrace();
+	src = &__get_cpu_var(hv_clock);
 	ret = pvclock_clocksource_read(src);
-	put_cpu_var(hv_clock);
+	preempt_enable_notrace();
 	return ret;
 }
 
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index b9c8628..e88f37b 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -29,6 +29,7 @@
 #include <asm/traps.h>
 #include <asm/mach_traps.h>
 #include <asm/nmi.h>
+#include <asm/x86_init.h>
 
 #define NMI_MAX_NAMELEN	16
 struct nmiaction {
@@ -348,7 +349,7 @@
 
 	/* Non-CPU-specific NMI: NMI sources can be processed on any CPU */
 	raw_spin_lock(&nmi_reason_lock);
-	reason = get_nmi_reason();
+	reason = x86_platform.get_nmi_reason();
 
 	if (reason & NMI_REASON_MASK) {
 		if (reason & NMI_REASON_SERR)
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index afaf384..cf0ef98 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1045,6 +1045,8 @@
 
 	x86_init.timers.wallclock_init();
 
+	x86_platform.wallclock_init();
+
 	mcheck_init();
 
 	arch_init_ideal_nops();
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 6f164bd..c1d6cd5 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -21,12 +21,14 @@
 #include <asm/pat.h>
 #include <asm/tsc.h>
 #include <asm/iommu.h>
+#include <asm/mach_traps.h>
 
 void __cpuinit x86_init_noop(void) { }
 void __init x86_init_uint_noop(unsigned int unused) { }
 void __init x86_init_pgd_noop(pgd_t *unused) { }
 int __init iommu_init_noop(void) { return 0; }
 void iommu_shutdown_noop(void) { }
+void wallclock_init_noop(void) { }
 
 /*
  * The platform setup functions are preset with the default functions
@@ -97,11 +99,13 @@
 
 struct x86_platform_ops x86_platform = {
 	.calibrate_tsc			= native_calibrate_tsc,
+	.wallclock_init			= wallclock_init_noop,
 	.get_wallclock			= mach_get_cmos_time,
 	.set_wallclock			= mach_set_rtc_mmss,
 	.iommu_shutdown			= iommu_shutdown_noop,
 	.is_untracked_pat_range		= is_ISA_range,
 	.nmi_init			= default_nmi_init,
+	.get_nmi_reason			= default_get_nmi_reason,
 	.i8042_detect			= default_i8042_detect
 };
 
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index a0d6bd9..579a0b5 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -39,6 +39,7 @@
 #include <asm/mce.h>
 #include <asm/i387.h>
 #include <asm/xcr.h>
+#include <asm/perf_event.h>
 
 #include "trace.h"
 
@@ -118,7 +119,7 @@
 static int ple_window = KVM_VMX_DEFAULT_PLE_WINDOW;
 module_param(ple_window, int, S_IRUGO);
 
-#define NR_AUTOLOAD_MSRS 1
+#define NR_AUTOLOAD_MSRS 8
 #define VMCS02_POOL_SIZE 1
 
 struct vmcs {
@@ -622,6 +623,7 @@
 static unsigned long *vmx_msr_bitmap_longmode;
 
 static bool cpu_has_load_ia32_efer;
+static bool cpu_has_load_perf_global_ctrl;
 
 static DECLARE_BITMAP(vmx_vpid_bitmap, VMX_NR_VPIDS);
 static DEFINE_SPINLOCK(vmx_vpid_lock);
@@ -1191,15 +1193,34 @@
 	vmcs_write32(EXCEPTION_BITMAP, eb);
 }
 
+static void clear_atomic_switch_msr_special(unsigned long entry,
+		unsigned long exit)
+{
+	vmcs_clear_bits(VM_ENTRY_CONTROLS, entry);
+	vmcs_clear_bits(VM_EXIT_CONTROLS, exit);
+}
+
 static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr)
 {
 	unsigned i;
 	struct msr_autoload *m = &vmx->msr_autoload;
 
-	if (msr == MSR_EFER && cpu_has_load_ia32_efer) {
-		vmcs_clear_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER);
-		vmcs_clear_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER);
-		return;
+	switch (msr) {
+	case MSR_EFER:
+		if (cpu_has_load_ia32_efer) {
+			clear_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER,
+					VM_EXIT_LOAD_IA32_EFER);
+			return;
+		}
+		break;
+	case MSR_CORE_PERF_GLOBAL_CTRL:
+		if (cpu_has_load_perf_global_ctrl) {
+			clear_atomic_switch_msr_special(
+					VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL,
+					VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL);
+			return;
+		}
+		break;
 	}
 
 	for (i = 0; i < m->nr; ++i)
@@ -1215,25 +1236,55 @@
 	vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr);
 }
 
+static void add_atomic_switch_msr_special(unsigned long entry,
+		unsigned long exit, unsigned long guest_val_vmcs,
+		unsigned long host_val_vmcs, u64 guest_val, u64 host_val)
+{
+	vmcs_write64(guest_val_vmcs, guest_val);
+	vmcs_write64(host_val_vmcs, host_val);
+	vmcs_set_bits(VM_ENTRY_CONTROLS, entry);
+	vmcs_set_bits(VM_EXIT_CONTROLS, exit);
+}
+
 static void add_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr,
 				  u64 guest_val, u64 host_val)
 {
 	unsigned i;
 	struct msr_autoload *m = &vmx->msr_autoload;
 
-	if (msr == MSR_EFER && cpu_has_load_ia32_efer) {
-		vmcs_write64(GUEST_IA32_EFER, guest_val);
-		vmcs_write64(HOST_IA32_EFER, host_val);
-		vmcs_set_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER);
-		vmcs_set_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER);
-		return;
+	switch (msr) {
+	case MSR_EFER:
+		if (cpu_has_load_ia32_efer) {
+			add_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER,
+					VM_EXIT_LOAD_IA32_EFER,
+					GUEST_IA32_EFER,
+					HOST_IA32_EFER,
+					guest_val, host_val);
+			return;
+		}
+		break;
+	case MSR_CORE_PERF_GLOBAL_CTRL:
+		if (cpu_has_load_perf_global_ctrl) {
+			add_atomic_switch_msr_special(
+					VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL,
+					VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL,
+					GUEST_IA32_PERF_GLOBAL_CTRL,
+					HOST_IA32_PERF_GLOBAL_CTRL,
+					guest_val, host_val);
+			return;
+		}
+		break;
 	}
 
 	for (i = 0; i < m->nr; ++i)
 		if (m->guest[i].index == msr)
 			break;
 
-	if (i == m->nr) {
+	if (i == NR_AUTOLOAD_MSRS) {
+		printk_once(KERN_WARNING"Not enough mst switch entries. "
+				"Can't add msr %x\n", msr);
+		return;
+	} else if (i == m->nr) {
 		++m->nr;
 		vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, m->nr);
 		vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr);
@@ -2455,6 +2506,42 @@
 		&& allow_1_setting(MSR_IA32_VMX_EXIT_CTLS,
 				   VM_EXIT_LOAD_IA32_EFER);
 
+	cpu_has_load_perf_global_ctrl =
+		allow_1_setting(MSR_IA32_VMX_ENTRY_CTLS,
+				VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL)
+		&& allow_1_setting(MSR_IA32_VMX_EXIT_CTLS,
+				   VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL);
+
+	/*
+	 * Some cpus support VM_ENTRY_(LOAD|SAVE)_IA32_PERF_GLOBAL_CTRL
+	 * but due to arrata below it can't be used. Workaround is to use
+	 * msr load mechanism to switch IA32_PERF_GLOBAL_CTRL.
+	 *
+	 * VM Exit May Incorrectly Clear IA32_PERF_GLOBAL_CTRL [34:32]
+	 *
+	 * AAK155             (model 26)
+	 * AAP115             (model 30)
+	 * AAT100             (model 37)
+	 * BC86,AAY89,BD102   (model 44)
+	 * BA97               (model 46)
+	 *
+	 */
+	if (cpu_has_load_perf_global_ctrl && boot_cpu_data.x86 == 0x6) {
+		switch (boot_cpu_data.x86_model) {
+		case 26:
+		case 30:
+		case 37:
+		case 44:
+		case 46:
+			cpu_has_load_perf_global_ctrl = false;
+			printk_once(KERN_WARNING"kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL "
+					"does not work properly. Using workaround\n");
+			break;
+		default:
+			break;
+		}
+	}
+
 	return 0;
 }
 
@@ -5968,6 +6055,24 @@
 	vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, 0);
 }
 
+static void atomic_switch_perf_msrs(struct vcpu_vmx *vmx)
+{
+	int i, nr_msrs;
+	struct perf_guest_switch_msr *msrs;
+
+	msrs = perf_guest_get_msrs(&nr_msrs);
+
+	if (!msrs)
+		return;
+
+	for (i = 0; i < nr_msrs; i++)
+		if (msrs[i].host == msrs[i].guest)
+			clear_atomic_switch_msr(vmx, msrs[i].msr);
+		else
+			add_atomic_switch_msr(vmx, msrs[i].msr, msrs[i].guest,
+					msrs[i].host);
+}
+
 #ifdef CONFIG_X86_64
 #define R "r"
 #define Q "q"
@@ -6017,6 +6122,8 @@
 	if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
 		vmx_set_interrupt_shadow(vcpu, 0);
 
+	atomic_switch_perf_msrs(vmx);
+
 	vmx->__launched = vmx->loaded_vmcs->launched;
 	asm(
 		/* Store host registers */
diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index 541020d..b1489a0 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -187,11 +187,34 @@
 static unsigned long __init mrst_calibrate_tsc(void)
 {
 	unsigned long flags, fast_calibrate;
+	if (__mrst_cpu_chip == MRST_CPU_CHIP_PENWELL) {
+		u32 lo, hi, ratio, fsb;
 
-	local_irq_save(flags);
-	fast_calibrate = apbt_quick_calibrate();
-	local_irq_restore(flags);
-
+		rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
+		pr_debug("IA32 perf status is 0x%x, 0x%0x\n", lo, hi);
+		ratio = (hi >> 8) & 0x1f;
+		pr_debug("ratio is %d\n", ratio);
+		if (!ratio) {
+			pr_err("read a zero ratio, should be incorrect!\n");
+			pr_err("force tsc ratio to 16 ...\n");
+			ratio = 16;
+		}
+		rdmsr(MSR_FSB_FREQ, lo, hi);
+		if ((lo & 0x7) == 0x7)
+			fsb = PENWELL_FSB_FREQ_83SKU;
+		else
+			fsb = PENWELL_FSB_FREQ_100SKU;
+		fast_calibrate = ratio * fsb;
+		pr_debug("read penwell tsc %lu khz\n", fast_calibrate);
+		lapic_timer_frequency = fsb * 1000 / HZ;
+		/* mark tsc clocksource as reliable */
+		set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE);
+	} else {
+		local_irq_save(flags);
+		fast_calibrate = apbt_quick_calibrate();
+		local_irq_restore(flags);
+	}
+	
 	if (fast_calibrate)
 		return fast_calibrate;
 
@@ -254,6 +277,17 @@
 }
 
 /*
+ * Moorestown does not have external NMI source nor port 0x61 to report
+ * NMI status. The possible NMI sources are from pmu as a result of NMI
+ * watchdog or lock debug. Reading io port 0x61 results in 0xff which
+ * misled NMI handler.
+ */
+static unsigned char mrst_get_nmi_reason(void)
+{
+	return 0;
+}
+
+/*
  * Moorestown specific x86_init function overrides and early setup
  * calls.
  */
@@ -274,6 +308,8 @@
 	x86_platform.calibrate_tsc = mrst_calibrate_tsc;
 	x86_platform.i8042_detect = mrst_i8042_detect;
 	x86_init.timers.wallclock_init = mrst_rtc_init;
+	x86_platform.get_nmi_reason = mrst_get_nmi_reason;
+
 	x86_init.pci.init = pci_mrst_init;
 	x86_init.pci.fixup_irqs = x86_init_noop;
 
diff --git a/arch/x86/um/asm/processor.h b/arch/x86/um/asm/processor.h
index 118c143..2c32df6 100644
--- a/arch/x86/um/asm/processor.h
+++ b/arch/x86/um/asm/processor.h
@@ -11,7 +11,7 @@
 #endif
 
 #define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP)
-#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_IP)
+#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP)
 #define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP)
 
 #define ARCH_IS_STACKGROW(address) \
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index da8afd5..1f92865 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1356,7 +1356,7 @@
 	int cpu = (long)hcpu;
 	switch (action) {
 	case CPU_UP_PREPARE:
-		per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu];
+		xen_vcpu_setup(cpu);
 		if (xen_have_vector_callback)
 			xen_init_lock_cpu(cpu);
 		break;
@@ -1386,7 +1386,6 @@
 	xen_hvm_smp_init();
 	register_cpu_notifier(&xen_hvm_cpu_notifier);
 	xen_unplug_emulated_devices();
-	have_vcpu_info_placement = 0;
 	x86_init.irqs.intr_init = xen_init_IRQ;
 	xen_hvm_init_time_ops();
 	xen_hvm_init_mmu_ops();
diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c
index 6bbfd7a..5a40d24 100644
--- a/arch/x86/xen/grant-table.c
+++ b/arch/x86/xen/grant-table.c
@@ -71,7 +71,7 @@
 
 	if (shared == NULL) {
 		struct vm_struct *area =
-			alloc_vm_area(PAGE_SIZE * max_nr_gframes);
+			alloc_vm_area(PAGE_SIZE * max_nr_gframes, NULL);
 		BUG_ON(area == NULL);
 		shared = area->addr;
 		*__shared = shared;
diff --git a/block/blk-core.c b/block/blk-core.c
index f43c8a5..ea70e6c 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1379,15 +1379,19 @@
 		 */
 		if (list_empty(&plug->list))
 			trace_block_plug(q);
-		else if (!plug->should_sort) {
-			struct request *__rq;
+		else {
+			if (!plug->should_sort) {
+				struct request *__rq;
 
-			__rq = list_entry_rq(plug->list.prev);
-			if (__rq->q != q)
-				plug->should_sort = 1;
+				__rq = list_entry_rq(plug->list.prev);
+				if (__rq->q != q)
+					plug->should_sort = 1;
+			}
+			if (request_count >= BLK_MAX_REQUEST_COUNT) {
+				blk_flush_plug_list(plug, false);
+				trace_block_plug(q);
+			}
 		}
-		if (request_count >= BLK_MAX_REQUEST_COUNT)
-			blk_flush_plug_list(plug, false);
 		list_add_tail(&req->queuelist, &plug->list);
 		drive_stat_acct(req, 1);
 	} else {
diff --git a/block/blk-map.c b/block/blk-map.c
index e663ac2..164cd00 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -204,10 +204,11 @@
 		if (!iov[i].iov_len)
 			return -EINVAL;
 
-		if (uaddr & queue_dma_alignment(q)) {
+		/*
+		 * Keep going so we check length of all segments
+		 */
+		if (uaddr & queue_dma_alignment(q))
 			unaligned = 1;
-			break;
-		}
 	}
 
 	if (unaligned || (q->dma_pad_mask & len) || map_data)
diff --git a/block/genhd.c b/block/genhd.c
index 9253839..02e9fca 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -19,7 +19,6 @@
 #include <linux/mutex.h>
 #include <linux/idr.h>
 #include <linux/log2.h>
-#include <linux/ctype.h>
 
 #include "blk.h"
 
@@ -916,74 +915,6 @@
 
 subsys_initcall(genhd_device_init);
 
-static ssize_t alias_show(struct device *dev,
-			       struct device_attribute *attr, char *buf)
-{
-	struct gendisk *disk = dev_to_disk(dev);
-	ssize_t ret = 0;
-
-	if (disk->alias)
-		ret = snprintf(buf, ALIAS_LEN, "%s\n", disk->alias);
-	return ret;
-}
-
-static ssize_t alias_store(struct device *dev, struct device_attribute *attr,
-			   const char *buf, size_t count)
-{
-	struct gendisk *disk = dev_to_disk(dev);
-	char *alias;
-	char *envp[] = { NULL, NULL };
-	unsigned char c;
-	int i;
-	ssize_t ret = count;
-
-	if (!count)
-		return -EINVAL;
-
-	if (count >= ALIAS_LEN) {
-		printk(KERN_ERR "alias: alias is too long\n");
-		return -EINVAL;
-	}
-
-	/* Validation check */
-	for (i = 0; i < count; i++) {
-		c = buf[i];
-		if (i == count - 1 && c == '\n')
-			break;
-		if (!isalnum(c) && c != '_' && c != '-') {
-			printk(KERN_ERR "alias: invalid alias\n");
-			return -EINVAL;
-		}
-	}
-
-	if (disk->alias) {
-		printk(KERN_INFO "alias: %s is already assigned (%s)\n",
-		       disk->disk_name, disk->alias);
-		return -EINVAL;
-	}
-
-	alias = kasprintf(GFP_KERNEL, "%s", buf);
-	if (!alias)
-		return -ENOMEM;
-
-	if (alias[count - 1] == '\n')
-		alias[count - 1] = '\0';
-
-	envp[0] = kasprintf(GFP_KERNEL, "ALIAS=%s", alias);
-	if (!envp[0]) {
-		kfree(alias);
-		return -ENOMEM;
-	}
-
-	disk->alias = alias;
-	printk(KERN_INFO "alias: assigned %s to %s\n", alias, disk->disk_name);
-
-	kobject_uevent_env(&dev->kobj, KOBJ_ADD, envp);
-
-	kfree(envp[0]);
-	return ret;
-}
-
 static ssize_t disk_range_show(struct device *dev,
 			       struct device_attribute *attr, char *buf)
 {
@@ -1043,7 +974,6 @@
 	return sprintf(buf, "%d\n", queue_discard_alignment(disk->queue));
 }
 
-static DEVICE_ATTR(alias, S_IRUGO|S_IWUSR, alias_show, alias_store);
 static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL);
 static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL);
 static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL);
@@ -1066,7 +996,6 @@
 #endif
 
 static struct attribute *disk_attrs[] = {
-	&dev_attr_alias.attr,
 	&dev_attr_range.attr,
 	&dev_attr_ext_range.attr,
 	&dev_attr_removable.attr,
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index ec55595..43b8758 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -67,7 +67,7 @@
 	struct device *dev = &pdev->dev;
 	struct ahci_platform_data *pdata = dev_get_platdata(dev);
 	const struct platform_device_id *id = platform_get_device_id(pdev);
-	struct ata_port_info pi = ahci_port_info[id->driver_data];
+	struct ata_port_info pi = ahci_port_info[id ? id->driver_data : 0];
 	const struct ata_port_info *ppi[] = { &pi, NULL };
 	struct ahci_host_priv *hpriv;
 	struct ata_host *host;
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 63d5327..4cadfa2 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2533,10 +2533,12 @@
 	if (rc)
 		goto out;
 
+#ifdef CONFIG_ATA_BMDMA
 	if (bmdma)
 		/* prepare and activate BMDMA host */
 		rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
 	else
+#endif
 		/* prepare and activate SFF host */
 		rc = ata_pci_sff_prepare_host(pdev, ppi, &host);
 	if (rc)
@@ -2544,10 +2546,12 @@
 	host->private_data = host_priv;
 	host->flags |= hflags;
 
+#ifdef CONFIG_ATA_BMDMA
 	if (bmdma) {
 		pci_set_master(pdev);
 		rc = ata_pci_sff_activate_host(host, ata_bmdma_interrupt, sht);
 	} else
+#endif
 		rc = ata_pci_sff_activate_host(host, ata_sff_interrupt, sht);
 out:
 	if (rc == 0)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 82c86545..d8b3d89 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -22,6 +22,7 @@
 #include <linux/kallsyms.h>
 #include <linux/mutex.h>
 #include <linux/async.h>
+#include <linux/pm_runtime.h>
 
 #include "base.h"
 #include "power/power.h"
@@ -1742,6 +1743,8 @@
 		 */
 		list_del_init(&dev->kobj.entry);
 		spin_unlock(&devices_kset->list_lock);
+		/* Disable all device's runtime power management */
+		pm_runtime_disable(dev);
 
 		if (dev->bus && dev->bus->shutdown) {
 			dev_dbg(dev, "shutdown\n");
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 793f796..5693ece 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -127,12 +127,13 @@
 		       nid, K(node_page_state(nid, NR_WRITEBACK)),
 		       nid, K(node_page_state(nid, NR_FILE_PAGES)),
 		       nid, K(node_page_state(nid, NR_FILE_MAPPED)),
-		       nid, K(node_page_state(nid, NR_ANON_PAGES)
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+		       nid, K(node_page_state(nid, NR_ANON_PAGES)
 			+ node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
-			HPAGE_PMD_NR
+			HPAGE_PMD_NR),
+#else
+		       nid, K(node_page_state(nid, NR_ANON_PAGES)),
 #endif
-		       ),
 		       nid, K(node_page_state(nid, NR_SHMEM)),
 		       nid, node_page_state(nid, NR_KERNEL_STACK) *
 				THREAD_SIZE / 1024,
@@ -143,13 +144,14 @@
 		       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) +
 				node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
 		       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)),
-		       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+		       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
 			, nid,
 			K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
-			HPAGE_PMD_NR)
+			HPAGE_PMD_NR));
+#else
+		       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)));
 #endif
-		       );
 	n += hugetlb_report_node_meminfo(nid, buf + n);
 	return n;
 }
diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index 5f0f85d..428e55e 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -229,7 +229,8 @@
 
 	list_for_each_entry_reverse(ce, &psd->clock_list, node) {
 		if (ce->status < PCE_STATUS_ERROR) {
-			clk_disable(ce->clk);
+			if (ce->status == PCE_STATUS_ENABLED)
+				clk_disable(ce->clk);
 			ce->status = PCE_STATUS_ACQUIRED;
 		}
 	}
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 7fa0984..c3d2dfc 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -920,7 +920,8 @@
  End:
 	if (!error) {
 		dev->power.is_suspended = true;
-		if (dev->power.wakeup_path && dev->parent)
+		if (dev->power.wakeup_path
+		    && dev->parent && !dev->parent->power.ignore_children)
 			dev->parent->power.wakeup_path = true;
 	}
 
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index 30a94ea..86de6c5 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -212,11 +212,9 @@
 	if (!dev || !req) /*guard against callers passing in null */
 		return -EINVAL;
 
-	if (dev_pm_qos_request_active(req)) {
-		WARN(1, KERN_ERR "dev_pm_qos_add_request() called for already "
-			"added request\n");
+	if (WARN(dev_pm_qos_request_active(req),
+		 "%s() called for already added request\n", __func__))
 		return -EINVAL;
-	}
 
 	req->dev = dev;
 
@@ -271,11 +269,9 @@
 	if (!req) /*guard against callers passing in null */
 		return -EINVAL;
 
-	if (!dev_pm_qos_request_active(req)) {
-		WARN(1, KERN_ERR "dev_pm_qos_update_request() called for "
-			"unknown object\n");
+	if (WARN(!dev_pm_qos_request_active(req),
+		 "%s() called for unknown object\n", __func__))
 		return -EINVAL;
-	}
 
 	mutex_lock(&dev_pm_qos_mtx);
 
@@ -312,11 +308,9 @@
 	if (!req) /*guard against callers passing in null */
 		return -EINVAL;
 
-	if (!dev_pm_qos_request_active(req)) {
-		WARN(1, KERN_ERR "dev_pm_qos_remove_request() called for "
-			"unknown object\n");
+	if (WARN(!dev_pm_qos_request_active(req),
+		 "%s() called for unknown object\n", __func__))
 		return -EINVAL;
-	}
 
 	mutex_lock(&dev_pm_qos_mtx);
 
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 486f94e..8004ac3 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -24,6 +24,7 @@
 #include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
@@ -4319,6 +4320,10 @@
 		dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
 		return -ENODEV;
 	}
+
+	pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
+				PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+
 	err = pci_enable_device(h->pdev);
 	if (err) {
 		dev_warn(&h->pdev->dev, "Unable to Enable PCI device\n");
@@ -5158,6 +5163,7 @@
 	h->cciss_max_sectors = 8192;
 
 	rebuild_lun_table(h, 1, 0);
+	cciss_engage_scsi(h);
 	h->busy_initializing = 0;
 	return 1;
 
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
index 951a4e3..e820b68 100644
--- a/drivers/block/cciss_scsi.c
+++ b/drivers/block/cciss_scsi.c
@@ -1720,5 +1720,6 @@
 /* If no tape support, then these become defined out of existence */
 
 #define cciss_scsi_setup(cntl_num)
+#define cciss_engage_scsi(h)
 
 #endif /* CONFIG_CISS_SCSI_TAPE */
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 3d80682..68b205a 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -161,17 +161,19 @@
 	&xor_funcs
 };
 
-static loff_t get_loop_size(struct loop_device *lo, struct file *file)
+static loff_t get_size(loff_t offset, loff_t sizelimit, struct file *file)
 {
-	loff_t size, offset, loopsize;
+	loff_t size, loopsize;
 
 	/* Compute loopsize in bytes */
 	size = i_size_read(file->f_mapping->host);
-	offset = lo->lo_offset;
 	loopsize = size - offset;
-	if (lo->lo_sizelimit > 0 && lo->lo_sizelimit < loopsize)
-		loopsize = lo->lo_sizelimit;
+	/* offset is beyond i_size, wierd but possible */
+	if (loopsize < 0)
+		return 0;
 
+	if (sizelimit > 0 && sizelimit < loopsize)
+		loopsize = sizelimit;
 	/*
 	 * Unfortunately, if we want to do I/O on the device,
 	 * the number of 512-byte sectors has to fit into a sector_t.
@@ -179,17 +181,25 @@
 	return loopsize >> 9;
 }
 
-static int
-figure_loop_size(struct loop_device *lo)
+static loff_t get_loop_size(struct loop_device *lo, struct file *file)
 {
-	loff_t size = get_loop_size(lo, lo->lo_backing_file);
+	return get_size(lo->lo_offset, lo->lo_sizelimit, file);
+}
+
+static int
+figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit)
+{
+	loff_t size = get_size(offset, sizelimit, lo->lo_backing_file);
 	sector_t x = (sector_t)size;
 
 	if (unlikely((loff_t)x != size))
 		return -EFBIG;
-
+	if (lo->lo_offset != offset)
+		lo->lo_offset = offset;
+	if (lo->lo_sizelimit != sizelimit)
+		lo->lo_sizelimit = sizelimit;
 	set_capacity(lo->lo_disk, x);
-	return 0;					
+	return 0;
 }
 
 static inline int
@@ -372,7 +382,8 @@
 
 	if (retval < 0)
 		return retval;
-
+	if (retval != bvec->bv_len)
+		return -EIO;
 	return 0;
 }
 
@@ -1058,9 +1069,7 @@
 
 	if (lo->lo_offset != info->lo_offset ||
 	    lo->lo_sizelimit != info->lo_sizelimit) {
-		lo->lo_offset = info->lo_offset;
-		lo->lo_sizelimit = info->lo_sizelimit;
-		if (figure_loop_size(lo))
+		if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit))
 			return -EFBIG;
 	}
 	loop_config_discard(lo);
@@ -1246,7 +1255,7 @@
 	err = -ENXIO;
 	if (unlikely(lo->lo_state != Lo_bound))
 		goto out;
-	err = figure_loop_size(lo);
+	err = figure_loop_size(lo, lo->lo_offset, lo->lo_sizelimit);
 	if (unlikely(err))
 		goto out;
 	sec = get_capacity(lo->lo_disk);
@@ -1284,13 +1293,19 @@
 			goto out_unlocked;
 		break;
 	case LOOP_SET_STATUS:
-		err = loop_set_status_old(lo, (struct loop_info __user *) arg);
+		err = -EPERM;
+		if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN))
+			err = loop_set_status_old(lo,
+					(struct loop_info __user *)arg);
 		break;
 	case LOOP_GET_STATUS:
 		err = loop_get_status_old(lo, (struct loop_info __user *) arg);
 		break;
 	case LOOP_SET_STATUS64:
-		err = loop_set_status64(lo, (struct loop_info64 __user *) arg);
+		err = -EPERM;
+		if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN))
+			err = loop_set_status64(lo,
+					(struct loop_info64 __user *) arg);
 		break;
 	case LOOP_GET_STATUS64:
 		err = loop_get_status64(lo, (struct loop_info64 __user *) arg);
diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
index 6b9a200..a79fb4f 100644
--- a/drivers/block/paride/pg.c
+++ b/drivers/block/paride/pg.c
@@ -630,6 +630,7 @@
 		if (dev->status & 0x10)
 			return -ETIME;
 
+	memset(&hdr, 0, sizeof(hdr));
 	hdr.magic = PG_MAGIC;
 	hdr.dlen = dev->dlen;
 	copy = 0;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f9b7260..fe4ebc3 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -100,6 +100,9 @@
 	/* Canyon CN-BTU1 with HID interfaces */
 	{ USB_DEVICE(0x0c10, 0x0000) },
 
+	/* Broadcom BCM20702A0 */
+	{ USB_DEVICE(0x413c, 0x8197) },
+
 	{ }	/* Terminating entry */
 };
 
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 63e19ba..6035ab8 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -941,7 +941,7 @@
 		if (!arch_get_random_long(&v))
 			break;
 		
-		memcpy(buf, &v, chunk);
+		memcpy(p, &v, chunk);
 		p += chunk;
 		nbytes -= chunk;
 	}
diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 643b055..8f04910 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -1,36 +1,29 @@
-config ARCH_HAS_DEVFREQ
-	bool
-	depends on ARCH_HAS_OPP
-	help
-	  Denotes that the architecture supports DEVFREQ. If the architecture
-	  supports multiple OPP entries per device and the frequency of the
-	  devices with OPPs may be altered dynamically, the architecture
-	  supports DEVFREQ.
-
 menuconfig PM_DEVFREQ
 	bool "Generic Dynamic Voltage and Frequency Scaling (DVFS) support"
-	depends on PM_OPP && ARCH_HAS_DEVFREQ
 	help
-	  With OPP support, a device may have a list of frequencies and
-	  voltages available. DEVFREQ, a generic DVFS framework can be
-	  registered for a device with OPP support in order to let the
-	  governor provided to DEVFREQ choose an operating frequency
-	  based on the OPP's list and the policy given with DEVFREQ.
+	  A device may have a list of frequencies and voltages available.
+	  devfreq, a generic DVFS framework can be registered for a device
+	  in order to let the governor provided to devfreq choose an
+	  operating frequency based on the device driver's policy.
 
-	  Each device may have its own governor and policy. DEVFREQ can
+	  Each device may have its own governor and policy. Devfreq can
 	  reevaluate the device state periodically and/or based on the
-	  OPP list changes (each frequency/voltage pair in OPP may be
-	  disabled or enabled).
+	  notification to "nb", a notifier block, of devfreq.
 
-	  Like some CPUs with CPUFREQ, a device may have multiple clocks.
+	  Like some CPUs with CPUfreq, a device may have multiple clocks.
 	  However, because the clock frequencies of a single device are
-	  determined by the single device's state, an instance of DEVFREQ
+	  determined by the single device's state, an instance of devfreq
 	  is attached to a single device and returns a "representative"
-	  clock frequency from the OPP of the device, which is also attached
-	  to a device by 1-to-1. The device registering DEVFREQ takes the
-	  responsiblity to "interpret" the frequency listed in OPP and
+	  clock frequency of the device, which is also attached
+	  to a device by 1-to-1. The device registering devfreq takes the
+	  responsiblity to "interpret" the representative frequency and
 	  to set its every clock accordingly with the "target" callback
-	  given to DEVFREQ.
+	  given to devfreq.
+
+	  When OPP is used with the devfreq device, it is recommended to
+	  register devfreq's nb to the OPP's notifier head.  If OPP is
+	  used with the devfreq device, you may use OPP helper
+	  functions defined in devfreq.h.
 
 if PM_DEVFREQ
 
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 5d15b81..59d24e9 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -15,7 +15,9 @@
 #include <linux/errno.h>
 #include <linux/err.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/stat.h>
 #include <linux/opp.h>
 #include <linux/devfreq.h>
 #include <linux/workqueue.h>
@@ -416,10 +418,14 @@
  */
 int devfreq_remove_device(struct devfreq *devfreq)
 {
+	bool central_polling;
+
 	if (!devfreq)
 		return -EINVAL;
 
-	if (!devfreq->governor->no_central_polling) {
+	central_polling = !devfreq->governor->no_central_polling;
+
+	if (central_polling) {
 		mutex_lock(&devfreq_list_lock);
 		while (wait_remove_device == devfreq) {
 			mutex_unlock(&devfreq_list_lock);
@@ -431,7 +437,7 @@
 	mutex_lock(&devfreq->lock);
 	_remove_devfreq(devfreq, false); /* it unlocks devfreq->lock */
 
-	if (!devfreq->governor->no_central_polling)
+	if (central_polling)
 		mutex_unlock(&devfreq_list_lock);
 
 	return 0;
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index bcb1126..153980b 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -585,14 +585,12 @@
 }
 
 /**
- *	dmi_name_in_vendors - Check if string is anywhere in the DMI vendor information.
+ *	dmi_name_in_vendors - Check if string is in the DMI system or board vendor name
  *	@str: 	Case sensitive Name
  */
 int dmi_name_in_vendors(const char *str)
 {
-	static int fields[] = { DMI_BIOS_VENDOR, DMI_BIOS_VERSION, DMI_SYS_VENDOR,
-				DMI_PRODUCT_NAME, DMI_PRODUCT_VERSION, DMI_BOARD_VENDOR,
-				DMI_BOARD_NAME, DMI_BOARD_VERSION, DMI_NONE };
+	static int fields[] = { DMI_SYS_VENDOR, DMI_BOARD_VENDOR, DMI_NONE };
 	int i;
 	for (i = 0; fields[i] != DMI_NONE; i++) {
 		int f = fields[i];
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 405c63b..8323fc3 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1873,6 +1873,10 @@
 	}
 
 	if (num_clips && clips_ptr) {
+		if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) {
+			ret = -EINVAL;
+			goto out_err1;
+		}
 		clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
 		if (!clips) {
 			ret = -ENOMEM;
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 68b7562..44a5d0a 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -110,10 +110,7 @@
 	/* Prevent vblank irq processing while disabling vblank irqs,
 	 * so no updates of timestamps or count can happen after we've
 	 * disabled. Needed to prevent races in case of delayed irq's.
-	 * Disable preemption, so vblank_time_lock is held as short as
-	 * possible, even under a kernel with PREEMPT_RT patches.
 	 */
-	preempt_disable();
 	spin_lock_irqsave(&dev->vblank_time_lock, irqflags);
 
 	dev->driver->disable_vblank(dev, crtc);
@@ -164,7 +161,6 @@
 	clear_vblank_timestamps(dev, crtc);
 
 	spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags);
-	preempt_enable();
 }
 
 static void vblank_disable_fn(unsigned long arg)
@@ -889,10 +885,6 @@
 	spin_lock_irqsave(&dev->vbl_lock, irqflags);
 	/* Going from 0->1 means we have to enable interrupts again */
 	if (atomic_add_return(1, &dev->vblank_refcount[crtc]) == 1) {
-		/* Disable preemption while holding vblank_time_lock. Do
-		 * it explicitely to guard against PREEMPT_RT kernel.
-		 */
-		preempt_disable();
 		spin_lock_irqsave(&dev->vblank_time_lock, irqflags2);
 		if (!dev->vblank_enabled[crtc]) {
 			/* Enable vblank irqs under vblank_time_lock protection.
@@ -912,7 +904,6 @@
 			}
 		}
 		spin_unlock_irqrestore(&dev->vblank_time_lock, irqflags2);
-		preempt_enable();
 	} else {
 		if (!dev->vblank_enabled[crtc]) {
 			atomic_dec(&dev->vblank_refcount[crtc]);
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 4f40f1c..d09a6e0 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -636,11 +636,16 @@
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct intel_ring_buffer *ring;
+	int ret;
 
 	ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
 	if (ring->size == 0)
 		return 0;
 
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
+
 	seq_printf(m, "Ring %s:\n", ring->name);
 	seq_printf(m, "  Head :    %08x\n", I915_READ_HEAD(ring) & HEAD_ADDR);
 	seq_printf(m, "  Tail :    %08x\n", I915_READ_TAIL(ring) & TAIL_ADDR);
@@ -654,6 +659,8 @@
 	seq_printf(m, "  Control : %08x\n", I915_READ_CTL(ring));
 	seq_printf(m, "  Start :   %08x\n", I915_READ_START(ring));
 
+	mutex_unlock(&dev->struct_mutex);
+
 	return 0;
 }
 
@@ -842,7 +849,16 @@
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
-	u16 crstanddelay = I915_READ16(CRSTANDVID);
+	u16 crstanddelay;
+	int ret;
+
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
+
+	crstanddelay = I915_READ16(CRSTANDVID);
+
+	mutex_unlock(&dev->struct_mutex);
 
 	seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f));
 
@@ -940,7 +956,11 @@
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	u32 delayfreq;
-	int i;
+	int ret, i;
+
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
 
 	for (i = 0; i < 16; i++) {
 		delayfreq = I915_READ(PXVFREQ_BASE + i * 4);
@@ -948,6 +968,8 @@
 			   (delayfreq & PXVFREQ_PX_MASK) >> PXVFREQ_PX_SHIFT);
 	}
 
+	mutex_unlock(&dev->struct_mutex);
+
 	return 0;
 }
 
@@ -962,13 +984,19 @@
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	u32 inttoext;
-	int i;
+	int ret, i;
+
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
 
 	for (i = 1; i <= 32; i++) {
 		inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4);
 		seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext);
 	}
 
+	mutex_unlock(&dev->struct_mutex);
+
 	return 0;
 }
 
@@ -977,9 +1005,19 @@
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
-	u32 rgvmodectl = I915_READ(MEMMODECTL);
-	u32 rstdbyctl = I915_READ(RSTDBYCTL);
-	u16 crstandvid = I915_READ16(CRSTANDVID);
+	u32 rgvmodectl, rstdbyctl;
+	u16 crstandvid;
+	int ret;
+
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
+
+	rgvmodectl = I915_READ(MEMMODECTL);
+	rstdbyctl = I915_READ(RSTDBYCTL);
+	crstandvid = I915_READ16(CRSTANDVID);
+
+	mutex_unlock(&dev->struct_mutex);
 
 	seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ?
 		   "yes" : "no");
@@ -1167,9 +1205,16 @@
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
+	int ret;
+
+	ret = mutex_lock_interruptible(&dev->struct_mutex);
+	if (ret)
+		return ret;
 
 	seq_printf(m, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
 
+	mutex_unlock(&dev->struct_mutex);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index e9c2cfe..15bfa91 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -68,7 +68,7 @@
 MODULE_PARM_DESC(i915_enable_rc6,
 		"Enable power-saving render C-state 6 (default: true)");
 
-unsigned int i915_enable_fbc __read_mostly = -1;
+int i915_enable_fbc __read_mostly = -1;
 module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600);
 MODULE_PARM_DESC(i915_enable_fbc,
 		"Enable frame buffer compression for power savings "
@@ -80,7 +80,7 @@
 		"Use panel (LVDS/eDP) downclocking for power savings "
 		"(default: false)");
 
-unsigned int i915_panel_use_ssc __read_mostly = -1;
+int i915_panel_use_ssc __read_mostly = -1;
 module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600);
 MODULE_PARM_DESC(lvds_use_ssc,
 		"Use Spread Spectrum Clock with panels [LVDS/eDP] "
@@ -107,7 +107,7 @@
 extern int intel_agp_enabled;
 
 #define INTEL_VGA_DEVICE(id, info) {		\
-	.class = PCI_CLASS_DISPLAY_VGA << 8,	\
+	.class = PCI_BASE_CLASS_DISPLAY << 16,	\
 	.class_mask = 0xff0000,			\
 	.vendor = 0x8086,			\
 	.device = id,				\
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 06a37f4..4a9c1b9 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -126,6 +126,9 @@
 	struct _drm_i915_sarea *sarea_priv;
 };
 #define I915_FENCE_REG_NONE -1
+#define I915_MAX_NUM_FENCES 16
+/* 16 fences + sign bit for FENCE_REG_NONE */
+#define I915_MAX_NUM_FENCE_BITS 5
 
 struct drm_i915_fence_reg {
 	struct list_head lru_list;
@@ -168,7 +171,7 @@
 	u32 instdone1;
 	u32 seqno;
 	u64 bbaddr;
-	u64 fence[16];
+	u64 fence[I915_MAX_NUM_FENCES];
 	struct timeval time;
 	struct drm_i915_error_object {
 		int page_count;
@@ -182,7 +185,7 @@
 		u32 gtt_offset;
 		u32 read_domains;
 		u32 write_domain;
-		s32 fence_reg:5;
+		s32 fence_reg:I915_MAX_NUM_FENCE_BITS;
 		s32 pinned:2;
 		u32 tiling:2;
 		u32 dirty:1;
@@ -375,7 +378,7 @@
 	struct notifier_block lid_notifier;
 
 	int crt_ddc_pin;
-	struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */
+	struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */
 	int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
 	int num_fence_regs; /* 8 on pre-965, 16 otherwise */
 
@@ -506,7 +509,7 @@
 	u8 saveAR[21];
 	u8 saveDACMASK;
 	u8 saveCR[37];
-	uint64_t saveFENCE[16];
+	uint64_t saveFENCE[I915_MAX_NUM_FENCES];
 	u32 saveCURACNTR;
 	u32 saveCURAPOS;
 	u32 saveCURABASE;
@@ -777,10 +780,8 @@
 	 * Fence register bits (if any) for this object.  Will be set
 	 * as needed when mapped into the GTT.
 	 * Protected by dev->struct_mutex.
-	 *
-	 * Size: 4 bits for 16 fences + sign (for FENCE_REG_NONE)
 	 */
-	signed int fence_reg:5;
+	signed int fence_reg:I915_MAX_NUM_FENCE_BITS;
 
 	/**
 	 * Advice: are the backing pages purgeable?
@@ -999,10 +1000,10 @@
 extern unsigned int i915_powersave __read_mostly;
 extern unsigned int i915_semaphores __read_mostly;
 extern unsigned int i915_lvds_downclock __read_mostly;
-extern unsigned int i915_panel_use_ssc __read_mostly;
+extern int i915_panel_use_ssc __read_mostly;
 extern int i915_vbt_sdvo_panel_type __read_mostly;
 extern unsigned int i915_enable_rc6 __read_mostly;
-extern unsigned int i915_enable_fbc __read_mostly;
+extern int i915_enable_fbc __read_mostly;
 extern bool i915_enable_hangcheck __read_mostly;
 
 extern int i915_suspend(struct drm_device *dev, pm_message_t state);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d18b07a..8359dc7 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1745,7 +1745,7 @@
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int i;
 
-	for (i = 0; i < 16; i++) {
+	for (i = 0; i < dev_priv->num_fence_regs; i++) {
 		struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i];
 		struct drm_i915_gem_object *obj = reg->obj;
 
@@ -3512,9 +3512,11 @@
 			 * so emit a request to do so.
 			 */
 			request = kzalloc(sizeof(*request), GFP_KERNEL);
-			if (request)
+			if (request) {
 				ret = i915_add_request(obj->ring, NULL, request);
-			else
+				if (ret)
+					kfree(request);
+			} else
 				ret = -ENOMEM;
 		}
 
@@ -3613,7 +3615,7 @@
 	obj->base.write_domain = I915_GEM_DOMAIN_CPU;
 	obj->base.read_domains = I915_GEM_DOMAIN_CPU;
 
-	if (IS_GEN6(dev)) {
+	if (IS_GEN6(dev) || IS_GEN7(dev)) {
 		/* On Gen6, we can have the GPU use the LLC (the CPU
 		 * cache) for about a 10% performance improvement
 		 * compared to uncached.  Graphics requests other than
@@ -3877,7 +3879,7 @@
 	INIT_LIST_HEAD(&dev_priv->mm.gtt_list);
 	for (i = 0; i < I915_NUM_RINGS; i++)
 		init_ring_lists(&dev_priv->ring[i]);
-	for (i = 0; i < 16; i++)
+	for (i = 0; i < I915_MAX_NUM_FENCES; i++)
 		INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list);
 	INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
 			  i915_gem_retire_work_handler);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 9ee2729..b40004b 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -824,6 +824,7 @@
 
 	/* Fences */
 	switch (INTEL_INFO(dev)->gen) {
+	case 7:
 	case 6:
 		for (i = 0; i < 16; i++)
 			error->fence[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8));
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 5a09416..b080cc8 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1553,12 +1553,21 @@
  */
 #define   PP_READY		(1 << 30)
 #define   PP_SEQUENCE_NONE	(0 << 28)
-#define   PP_SEQUENCE_ON	(1 << 28)
-#define   PP_SEQUENCE_OFF	(2 << 28)
-#define   PP_SEQUENCE_MASK	0x30000000
+#define   PP_SEQUENCE_POWER_UP	(1 << 28)
+#define   PP_SEQUENCE_POWER_DOWN (2 << 28)
+#define   PP_SEQUENCE_MASK	(3 << 28)
+#define   PP_SEQUENCE_SHIFT	28
 #define   PP_CYCLE_DELAY_ACTIVE	(1 << 27)
-#define   PP_SEQUENCE_STATE_ON_IDLE (1 << 3)
 #define   PP_SEQUENCE_STATE_MASK 0x0000000f
+#define   PP_SEQUENCE_STATE_OFF_IDLE	(0x0 << 0)
+#define   PP_SEQUENCE_STATE_OFF_S0_1	(0x1 << 0)
+#define   PP_SEQUENCE_STATE_OFF_S0_2	(0x2 << 0)
+#define   PP_SEQUENCE_STATE_OFF_S0_3	(0x3 << 0)
+#define   PP_SEQUENCE_STATE_ON_IDLE	(0x8 << 0)
+#define   PP_SEQUENCE_STATE_ON_S1_0	(0x9 << 0)
+#define   PP_SEQUENCE_STATE_ON_S1_2	(0xa << 0)
+#define   PP_SEQUENCE_STATE_ON_S1_3	(0xb << 0)
+#define   PP_SEQUENCE_STATE_RESET	(0xf << 0)
 #define PP_CONTROL	0x61204
 #define   POWER_TARGET_ON	(1 << 0)
 #define PP_ON_DELAYS	0x61208
@@ -3444,6 +3453,10 @@
 #define  GT_FIFO_FREE_ENTRIES			0x120008
 #define    GT_FIFO_NUM_RESERVED_ENTRIES		20
 
+#define GEN6_UCGCTL2				0x9404
+# define GEN6_RCPBUNIT_CLOCK_GATE_DISABLE		(1 << 12)
+# define GEN6_RCCUNIT_CLOCK_GATE_DISABLE		(1 << 11)
+
 #define GEN6_RPNSWREQ				0xA008
 #define   GEN6_TURBO_DISABLE			(1<<31)
 #define   GEN6_FREQUENCY(x)			((x)<<25)
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index f8f602d..7886e4f 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -370,6 +370,7 @@
 
 	/* Fences */
 	switch (INTEL_INFO(dev)->gen) {
+	case 7:
 	case 6:
 		for (i = 0; i < 16; i++)
 			dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8));
@@ -404,6 +405,7 @@
 
 	/* Fences */
 	switch (INTEL_INFO(dev)->gen) {
+	case 7:
 	case 6:
 		for (i = 0; i < 16; i++)
 			I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (i * 8), dev_priv->saveFENCE[i]);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 981b1f1..e77a863 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2933,7 +2933,8 @@
 
 	/* For PCH DP, enable TRANS_DP_CTL */
 	if (HAS_PCH_CPT(dev) &&
-	    intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
+	    (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) ||
+	     intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) {
 		u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) >> 5;
 		reg = TRANS_DP_CTL(pipe);
 		temp = I915_READ(reg);
@@ -4711,7 +4712,7 @@
 				lvds_bpc = 6;
 
 			if (lvds_bpc < display_bpc) {
-				DRM_DEBUG_DRIVER("clamping display bpc (was %d) to LVDS (%d)\n", display_bpc, lvds_bpc);
+				DRM_DEBUG_KMS("clamping display bpc (was %d) to LVDS (%d)\n", display_bpc, lvds_bpc);
 				display_bpc = lvds_bpc;
 			}
 			continue;
@@ -4722,7 +4723,7 @@
 			unsigned int edp_bpc = dev_priv->edp.bpp / 3;
 
 			if (edp_bpc < display_bpc) {
-				DRM_DEBUG_DRIVER("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc);
+				DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc);
 				display_bpc = edp_bpc;
 			}
 			continue;
@@ -4737,7 +4738,7 @@
 			/* Don't use an invalid EDID bpc value */
 			if (connector->display_info.bpc &&
 			    connector->display_info.bpc < display_bpc) {
-				DRM_DEBUG_DRIVER("clamping display bpc (was %d) to EDID reported max of %d\n", display_bpc, connector->display_info.bpc);
+				DRM_DEBUG_KMS("clamping display bpc (was %d) to EDID reported max of %d\n", display_bpc, connector->display_info.bpc);
 				display_bpc = connector->display_info.bpc;
 			}
 		}
@@ -4748,10 +4749,10 @@
 		 */
 		if (intel_encoder->type == INTEL_OUTPUT_HDMI) {
 			if (display_bpc > 8 && display_bpc < 12) {
-				DRM_DEBUG_DRIVER("forcing bpc to 12 for HDMI\n");
+				DRM_DEBUG_KMS("forcing bpc to 12 for HDMI\n");
 				display_bpc = 12;
 			} else {
-				DRM_DEBUG_DRIVER("forcing bpc to 8 for HDMI\n");
+				DRM_DEBUG_KMS("forcing bpc to 8 for HDMI\n");
 				display_bpc = 8;
 			}
 		}
@@ -4789,8 +4790,8 @@
 
 	display_bpc = min(display_bpc, bpc);
 
-	DRM_DEBUG_DRIVER("setting pipe bpc to %d (max display bpc %d)\n",
-			 bpc, display_bpc);
+	DRM_DEBUG_KMS("setting pipe bpc to %d (max display bpc %d)\n",
+		      bpc, display_bpc);
 
 	*pipe_bpp = display_bpc * 3;
 
@@ -5671,7 +5672,7 @@
 	pipeconf &= ~PIPECONF_DITHER_TYPE_MASK;
 	if ((is_lvds && dev_priv->lvds_dither) || dither) {
 		pipeconf |= PIPECONF_DITHER_EN;
-		pipeconf |= PIPECONF_DITHER_TYPE_ST1;
+		pipeconf |= PIPECONF_DITHER_TYPE_SP;
 	}
 	if (is_dp || intel_encoder_is_pch_edp(&has_edp_encoder->base)) {
 		intel_dp_set_m_n(crtc, mode, adjusted_mode);
@@ -8148,6 +8149,20 @@
 	I915_WRITE(WM2_LP_ILK, 0);
 	I915_WRITE(WM1_LP_ILK, 0);
 
+	/* According to the BSpec vol1g, bit 12 (RCPBUNIT) clock
+	 * gating disable must be set.  Failure to set it results in
+	 * flickering pixels due to Z write ordering failures after
+	 * some amount of runtime in the Mesa "fire" demo, and Unigine
+	 * Sanctuary and Tropics, and apparently anything else with
+	 * alpha test or pixel discard.
+	 *
+	 * According to the spec, bit 11 (RCCUNIT) must also be set,
+	 * but we didn't debug actual testcases to find it out.
+	 */
+	I915_WRITE(GEN6_UCGCTL2,
+		   GEN6_RCPBUNIT_CLOCK_GATE_DISABLE |
+		   GEN6_RCCUNIT_CLOCK_GATE_DISABLE);
+
 	/*
 	 * According to the spec the following bits should be
 	 * set in order to enable memory self-refresh and fbc:
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 09b318b..4d0358f 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -59,7 +59,6 @@
 	struct i2c_algo_dp_aux_data algo;
 	bool is_pch_edp;
 	uint8_t	train_set[4];
-	uint8_t link_status[DP_LINK_STATUS_SIZE];
 	int panel_power_up_delay;
 	int panel_power_down_delay;
 	int panel_power_cycle_delay;
@@ -68,7 +67,6 @@
 	struct drm_display_mode *panel_fixed_mode;  /* for eDP */
 	struct delayed_work panel_vdd_work;
 	bool want_panel_vdd;
-	unsigned long panel_off_jiffies;
 };
 
 /**
@@ -157,16 +155,12 @@
 static int
 intel_dp_max_lane_count(struct intel_dp *intel_dp)
 {
-	int max_lane_count = 4;
-
-	if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) {
-		max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f;
-		switch (max_lane_count) {
-		case 1: case 2: case 4:
-			break;
-		default:
-			max_lane_count = 4;
-		}
+	int max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f;
+	switch (max_lane_count) {
+	case 1: case 2: case 4:
+		break;
+	default:
+		max_lane_count = 4;
 	}
 	return max_lane_count;
 }
@@ -768,12 +762,11 @@
 			continue;
 
 		intel_dp = enc_to_intel_dp(encoder);
-		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT) {
+		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT ||
+		    intel_dp->base.type == INTEL_OUTPUT_EDP)
+		{
 			lane_count = intel_dp->lane_count;
 			break;
-		} else if (is_edp(intel_dp)) {
-			lane_count = dev_priv->edp.lanes;
-			break;
 		}
 	}
 
@@ -810,6 +803,7 @@
 		  struct drm_display_mode *adjusted_mode)
 {
 	struct drm_device *dev = encoder->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_crtc *crtc = intel_dp->base.base.crtc;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
@@ -822,18 +816,31 @@
 			ironlake_edp_pll_off(encoder);
 	}
 
-	intel_dp->DP = DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0;
-	intel_dp->DP |= intel_dp->color_range;
+	/*
+	 * There are three kinds of DP registers:
+	 *
+	 * 	IBX PCH
+	 * 	CPU
+	 * 	CPT PCH
+	 *
+	 * IBX PCH and CPU are the same for almost everything,
+	 * except that the CPU DP PLL is configured in this
+	 * register
+	 *
+	 * CPT PCH is quite different, having many bits moved
+	 * to the TRANS_DP_CTL register instead. That
+	 * configuration happens (oddly) in ironlake_pch_enable
+	 */
 
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
-		intel_dp->DP |= DP_SYNC_HS_HIGH;
-	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
-		intel_dp->DP |= DP_SYNC_VS_HIGH;
+	/* Preserve the BIOS-computed detected bit. This is
+	 * supposed to be read-only.
+	 */
+	intel_dp->DP = I915_READ(intel_dp->output_reg) & DP_DETECTED;
+	intel_dp->DP |=  DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0;
 
-	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
-		intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
-	else
-		intel_dp->DP |= DP_LINK_TRAIN_OFF;
+	/* Handle DP bits in common between all three register formats */
+
+	intel_dp->DP |= DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0;
 
 	switch (intel_dp->lane_count) {
 	case 1:
@@ -852,59 +859,106 @@
 		intel_dp->DP |= DP_AUDIO_OUTPUT_ENABLE;
 		intel_write_eld(encoder, adjusted_mode);
 	}
-
 	memset(intel_dp->link_configuration, 0, DP_LINK_CONFIGURATION_SIZE);
 	intel_dp->link_configuration[0] = intel_dp->link_bw;
 	intel_dp->link_configuration[1] = intel_dp->lane_count;
 	intel_dp->link_configuration[8] = DP_SET_ANSI_8B10B;
-
 	/*
 	 * Check for DPCD version > 1.1 and enhanced framing support
 	 */
 	if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11 &&
 	    (intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP)) {
 		intel_dp->link_configuration[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
-		intel_dp->DP |= DP_ENHANCED_FRAMING;
 	}
 
-	/* CPT DP's pipe select is decided in TRANS_DP_CTL */
-	if (intel_crtc->pipe == 1 && !HAS_PCH_CPT(dev))
-		intel_dp->DP |= DP_PIPEB_SELECT;
+	/* Split out the IBX/CPU vs CPT settings */
 
-	if (is_cpu_edp(intel_dp)) {
-		/* don't miss out required setting for eDP */
-		intel_dp->DP |= DP_PLL_ENABLE;
-		if (adjusted_mode->clock < 200000)
-			intel_dp->DP |= DP_PLL_FREQ_160MHZ;
-		else
-			intel_dp->DP |= DP_PLL_FREQ_270MHZ;
+	if (!HAS_PCH_CPT(dev) || is_cpu_edp(intel_dp)) {
+		intel_dp->DP |= intel_dp->color_range;
+
+		if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+			intel_dp->DP |= DP_SYNC_HS_HIGH;
+		if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+			intel_dp->DP |= DP_SYNC_VS_HIGH;
+		intel_dp->DP |= DP_LINK_TRAIN_OFF;
+
+		if (intel_dp->link_configuration[1] & DP_LANE_COUNT_ENHANCED_FRAME_EN)
+			intel_dp->DP |= DP_ENHANCED_FRAMING;
+
+		if (intel_crtc->pipe == 1)
+			intel_dp->DP |= DP_PIPEB_SELECT;
+
+		if (is_cpu_edp(intel_dp)) {
+			/* don't miss out required setting for eDP */
+			intel_dp->DP |= DP_PLL_ENABLE;
+			if (adjusted_mode->clock < 200000)
+				intel_dp->DP |= DP_PLL_FREQ_160MHZ;
+			else
+				intel_dp->DP |= DP_PLL_FREQ_270MHZ;
+		}
+	} else {
+		intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
 	}
 }
 
+#define IDLE_ON_MASK		(PP_ON | 0 	  | PP_SEQUENCE_MASK | 0                     | PP_SEQUENCE_STATE_MASK)
+#define IDLE_ON_VALUE   	(PP_ON | 0 	  | PP_SEQUENCE_NONE | 0                     | PP_SEQUENCE_STATE_ON_IDLE)
+
+#define IDLE_OFF_MASK		(PP_ON | 0        | PP_SEQUENCE_MASK | 0                     | PP_SEQUENCE_STATE_MASK)
+#define IDLE_OFF_VALUE		(0     | 0        | PP_SEQUENCE_NONE | 0                     | PP_SEQUENCE_STATE_OFF_IDLE)
+
+#define IDLE_CYCLE_MASK		(PP_ON | 0        | PP_SEQUENCE_MASK | PP_CYCLE_DELAY_ACTIVE | PP_SEQUENCE_STATE_MASK)
+#define IDLE_CYCLE_VALUE	(0     | 0        | PP_SEQUENCE_NONE | 0                     | PP_SEQUENCE_STATE_OFF_IDLE)
+
+static void ironlake_wait_panel_status(struct intel_dp *intel_dp,
+				       u32 mask,
+				       u32 value)
+{
+	struct drm_device *dev = intel_dp->base.base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	DRM_DEBUG_KMS("mask %08x value %08x status %08x control %08x\n",
+		      mask, value,
+		      I915_READ(PCH_PP_STATUS),
+		      I915_READ(PCH_PP_CONTROL));
+
+	if (_wait_for((I915_READ(PCH_PP_STATUS) & mask) == value, 5000, 10)) {
+		DRM_ERROR("Panel status timeout: status %08x control %08x\n",
+			  I915_READ(PCH_PP_STATUS),
+			  I915_READ(PCH_PP_CONTROL));
+	}
+}
+
+static void ironlake_wait_panel_on(struct intel_dp *intel_dp)
+{
+	DRM_DEBUG_KMS("Wait for panel power on\n");
+	ironlake_wait_panel_status(intel_dp, IDLE_ON_MASK, IDLE_ON_VALUE);
+}
+
 static void ironlake_wait_panel_off(struct intel_dp *intel_dp)
 {
-	unsigned long	off_time;
-	unsigned long	delay;
-
 	DRM_DEBUG_KMS("Wait for panel power off time\n");
+	ironlake_wait_panel_status(intel_dp, IDLE_OFF_MASK, IDLE_OFF_VALUE);
+}
 
-	if (ironlake_edp_have_panel_power(intel_dp) ||
-	    ironlake_edp_have_panel_vdd(intel_dp))
-	{
-		DRM_DEBUG_KMS("Panel still on, no delay needed\n");
-		return;
-	}
+static void ironlake_wait_panel_power_cycle(struct intel_dp *intel_dp)
+{
+	DRM_DEBUG_KMS("Wait for panel power cycle\n");
+	ironlake_wait_panel_status(intel_dp, IDLE_CYCLE_MASK, IDLE_CYCLE_VALUE);
+}
 
-	off_time = intel_dp->panel_off_jiffies + msecs_to_jiffies(intel_dp->panel_power_down_delay);
-	if (time_after(jiffies, off_time)) {
-		DRM_DEBUG_KMS("Time already passed");
-		return;
-	}
-	delay = jiffies_to_msecs(off_time - jiffies);
-	if (delay > intel_dp->panel_power_down_delay)
-		delay = intel_dp->panel_power_down_delay;
-	DRM_DEBUG_KMS("Waiting an additional %ld ms\n", delay);
-	msleep(delay);
+
+/* Read the current pp_control value, unlocking the register if it
+ * is locked
+ */
+
+static  u32 ironlake_get_pp_control(struct drm_i915_private *dev_priv)
+{
+	u32	control = I915_READ(PCH_PP_CONTROL);
+
+	control &= ~PANEL_UNLOCK_MASK;
+	control |= PANEL_UNLOCK_REGS;
+	return control;
 }
 
 static void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp)
@@ -921,15 +975,16 @@
 	     "eDP VDD already requested on\n");
 
 	intel_dp->want_panel_vdd = true;
+
 	if (ironlake_edp_have_panel_vdd(intel_dp)) {
 		DRM_DEBUG_KMS("eDP VDD already on\n");
 		return;
 	}
 
-	ironlake_wait_panel_off(intel_dp);
-	pp = I915_READ(PCH_PP_CONTROL);
-	pp &= ~PANEL_UNLOCK_MASK;
-	pp |= PANEL_UNLOCK_REGS;
+	if (!ironlake_edp_have_panel_power(intel_dp))
+		ironlake_wait_panel_power_cycle(intel_dp);
+
+	pp = ironlake_get_pp_control(dev_priv);
 	pp |= EDP_FORCE_VDD;
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
@@ -952,9 +1007,7 @@
 	u32 pp;
 
 	if (!intel_dp->want_panel_vdd && ironlake_edp_have_panel_vdd(intel_dp)) {
-		pp = I915_READ(PCH_PP_CONTROL);
-		pp &= ~PANEL_UNLOCK_MASK;
-		pp |= PANEL_UNLOCK_REGS;
+		pp = ironlake_get_pp_control(dev_priv);
 		pp &= ~EDP_FORCE_VDD;
 		I915_WRITE(PCH_PP_CONTROL, pp);
 		POSTING_READ(PCH_PP_CONTROL);
@@ -962,7 +1015,8 @@
 		/* Make sure sequencer is idle before allowing subsequent activity */
 		DRM_DEBUG_KMS("PCH_PP_STATUS: 0x%08x PCH_PP_CONTROL: 0x%08x\n",
 			      I915_READ(PCH_PP_STATUS), I915_READ(PCH_PP_CONTROL));
-		intel_dp->panel_off_jiffies = jiffies;
+
+		msleep(intel_dp->panel_power_down_delay);
 	}
 }
 
@@ -972,9 +1026,9 @@
 						 struct intel_dp, panel_vdd_work);
 	struct drm_device *dev = intel_dp->base.base.dev;
 
-	mutex_lock(&dev->struct_mutex);
+	mutex_lock(&dev->mode_config.mutex);
 	ironlake_panel_vdd_off_sync(intel_dp);
-	mutex_unlock(&dev->struct_mutex);
+	mutex_unlock(&dev->mode_config.mutex);
 }
 
 static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)
@@ -984,7 +1038,7 @@
 
 	DRM_DEBUG_KMS("Turn eDP VDD off %d\n", intel_dp->want_panel_vdd);
 	WARN(!intel_dp->want_panel_vdd, "eDP VDD not forced on");
-	
+
 	intel_dp->want_panel_vdd = false;
 
 	if (sync) {
@@ -1000,23 +1054,25 @@
 	}
 }
 
-/* Returns true if the panel was already on when called */
 static void ironlake_edp_panel_on(struct intel_dp *intel_dp)
 {
 	struct drm_device *dev = intel_dp->base.base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 pp, idle_on_mask = PP_ON | PP_SEQUENCE_STATE_ON_IDLE;
+	u32 pp;
 
 	if (!is_edp(intel_dp))
 		return;
-	if (ironlake_edp_have_panel_power(intel_dp))
+
+	DRM_DEBUG_KMS("Turn eDP power on\n");
+
+	if (ironlake_edp_have_panel_power(intel_dp)) {
+		DRM_DEBUG_KMS("eDP power already on\n");
 		return;
+	}
 
-	ironlake_wait_panel_off(intel_dp);
-	pp = I915_READ(PCH_PP_CONTROL);
-	pp &= ~PANEL_UNLOCK_MASK;
-	pp |= PANEL_UNLOCK_REGS;
+	ironlake_wait_panel_power_cycle(intel_dp);
 
+	pp = ironlake_get_pp_control(dev_priv);
 	if (IS_GEN5(dev)) {
 		/* ILK workaround: disable reset around power sequence */
 		pp &= ~PANEL_POWER_RESET;
@@ -1025,13 +1081,13 @@
 	}
 
 	pp |= POWER_TARGET_ON;
+	if (!IS_GEN5(dev))
+		pp |= PANEL_POWER_RESET;
+
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
 
-	if (wait_for((I915_READ(PCH_PP_STATUS) & idle_on_mask) == idle_on_mask,
-		     5000))
-		DRM_ERROR("panel on wait timed out: 0x%08x\n",
-			  I915_READ(PCH_PP_STATUS));
+	ironlake_wait_panel_on(intel_dp);
 
 	if (IS_GEN5(dev)) {
 		pp |= PANEL_POWER_RESET; /* restore panel reset bit */
@@ -1040,46 +1096,25 @@
 	}
 }
 
-static void ironlake_edp_panel_off(struct drm_encoder *encoder)
+static void ironlake_edp_panel_off(struct intel_dp *intel_dp)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
-	struct drm_device *dev = encoder->dev;
+	struct drm_device *dev = intel_dp->base.base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 pp, idle_off_mask = PP_ON | PP_SEQUENCE_MASK |
-		PP_CYCLE_DELAY_ACTIVE | PP_SEQUENCE_STATE_MASK;
+	u32 pp;
 
 	if (!is_edp(intel_dp))
 		return;
-	pp = I915_READ(PCH_PP_CONTROL);
-	pp &= ~PANEL_UNLOCK_MASK;
-	pp |= PANEL_UNLOCK_REGS;
 
-	if (IS_GEN5(dev)) {
-		/* ILK workaround: disable reset around power sequence */
-		pp &= ~PANEL_POWER_RESET;
-		I915_WRITE(PCH_PP_CONTROL, pp);
-		POSTING_READ(PCH_PP_CONTROL);
-	}
+	DRM_DEBUG_KMS("Turn eDP power off\n");
 
-	intel_dp->panel_off_jiffies = jiffies;
+	WARN(intel_dp->want_panel_vdd, "Cannot turn power off while VDD is on\n");
 
-	if (IS_GEN5(dev)) {
-		pp &= ~POWER_TARGET_ON;
-		I915_WRITE(PCH_PP_CONTROL, pp);
-		POSTING_READ(PCH_PP_CONTROL);
-		pp &= ~POWER_TARGET_ON;
-		I915_WRITE(PCH_PP_CONTROL, pp);
-		POSTING_READ(PCH_PP_CONTROL);
-		msleep(intel_dp->panel_power_cycle_delay);
+	pp = ironlake_get_pp_control(dev_priv);
+	pp &= ~(POWER_TARGET_ON | EDP_FORCE_VDD | PANEL_POWER_RESET | EDP_BLC_ENABLE);
+	I915_WRITE(PCH_PP_CONTROL, pp);
+	POSTING_READ(PCH_PP_CONTROL);
 
-		if (wait_for((I915_READ(PCH_PP_STATUS) & idle_off_mask) == 0, 5000))
-			DRM_ERROR("panel off wait timed out: 0x%08x\n",
-				  I915_READ(PCH_PP_STATUS));
-
-		pp |= PANEL_POWER_RESET; /* restore panel reset bit */
-		I915_WRITE(PCH_PP_CONTROL, pp);
-		POSTING_READ(PCH_PP_CONTROL);
-	}
+	ironlake_wait_panel_off(intel_dp);
 }
 
 static void ironlake_edp_backlight_on(struct intel_dp *intel_dp)
@@ -1099,9 +1134,7 @@
 	 * allowing it to appear.
 	 */
 	msleep(intel_dp->backlight_on_delay);
-	pp = I915_READ(PCH_PP_CONTROL);
-	pp &= ~PANEL_UNLOCK_MASK;
-	pp |= PANEL_UNLOCK_REGS;
+	pp = ironlake_get_pp_control(dev_priv);
 	pp |= EDP_BLC_ENABLE;
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
@@ -1117,9 +1150,7 @@
 		return;
 
 	DRM_DEBUG_KMS("\n");
-	pp = I915_READ(PCH_PP_CONTROL);
-	pp &= ~PANEL_UNLOCK_MASK;
-	pp |= PANEL_UNLOCK_REGS;
+	pp = ironlake_get_pp_control(dev_priv);
 	pp &= ~EDP_BLC_ENABLE;
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
@@ -1187,17 +1218,18 @@
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
+	ironlake_edp_backlight_off(intel_dp);
+	ironlake_edp_panel_off(intel_dp);
+
 	/* Wake up the sink first */
 	ironlake_edp_panel_vdd_on(intel_dp);
 	intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
+	intel_dp_link_down(intel_dp);
 	ironlake_edp_panel_vdd_off(intel_dp, false);
 
 	/* Make sure the panel is off before trying to
 	 * change the mode
 	 */
-	ironlake_edp_backlight_off(intel_dp);
-	intel_dp_link_down(intel_dp);
-	ironlake_edp_panel_off(encoder);
 }
 
 static void intel_dp_commit(struct drm_encoder *encoder)
@@ -1211,7 +1243,6 @@
 	intel_dp_start_link_train(intel_dp);
 	ironlake_edp_panel_on(intel_dp);
 	ironlake_edp_panel_vdd_off(intel_dp, true);
-
 	intel_dp_complete_link_train(intel_dp);
 	ironlake_edp_backlight_on(intel_dp);
 
@@ -1230,16 +1261,20 @@
 	uint32_t dp_reg = I915_READ(intel_dp->output_reg);
 
 	if (mode != DRM_MODE_DPMS_ON) {
+		ironlake_edp_backlight_off(intel_dp);
+		ironlake_edp_panel_off(intel_dp);
+
 		ironlake_edp_panel_vdd_on(intel_dp);
-		if (is_edp(intel_dp))
-			ironlake_edp_backlight_off(intel_dp);
 		intel_dp_sink_dpms(intel_dp, mode);
 		intel_dp_link_down(intel_dp);
-		ironlake_edp_panel_off(encoder);
-		if (is_edp(intel_dp) && !is_pch_edp(intel_dp))
-			ironlake_edp_pll_off(encoder);
 		ironlake_edp_panel_vdd_off(intel_dp, false);
+
+		if (is_cpu_edp(intel_dp))
+			ironlake_edp_pll_off(encoder);
 	} else {
+		if (is_cpu_edp(intel_dp))
+			ironlake_edp_pll_on(encoder);
+
 		ironlake_edp_panel_vdd_on(intel_dp);
 		intel_dp_sink_dpms(intel_dp, mode);
 		if (!(dp_reg & DP_PORT_EN)) {
@@ -1247,7 +1282,6 @@
 			ironlake_edp_panel_on(intel_dp);
 			ironlake_edp_panel_vdd_off(intel_dp, true);
 			intel_dp_complete_link_train(intel_dp);
-			ironlake_edp_backlight_on(intel_dp);
 		} else
 			ironlake_edp_panel_vdd_off(intel_dp, false);
 		ironlake_edp_backlight_on(intel_dp);
@@ -1285,11 +1319,11 @@
  * link status information
  */
 static bool
-intel_dp_get_link_status(struct intel_dp *intel_dp)
+intel_dp_get_link_status(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
 	return intel_dp_aux_native_read_retry(intel_dp,
 					      DP_LANE0_1_STATUS,
-					      intel_dp->link_status,
+					      link_status,
 					      DP_LINK_STATUS_SIZE);
 }
 
@@ -1301,27 +1335,25 @@
 }
 
 static uint8_t
-intel_get_adjust_request_voltage(uint8_t link_status[DP_LINK_STATUS_SIZE],
+intel_get_adjust_request_voltage(uint8_t adjust_request[2],
 				 int lane)
 {
-	int	    i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
 	int	    s = ((lane & 1) ?
 			 DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT :
 			 DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT);
-	uint8_t l = intel_dp_link_status(link_status, i);
+	uint8_t l = adjust_request[lane>>1];
 
 	return ((l >> s) & 3) << DP_TRAIN_VOLTAGE_SWING_SHIFT;
 }
 
 static uint8_t
-intel_get_adjust_request_pre_emphasis(uint8_t link_status[DP_LINK_STATUS_SIZE],
+intel_get_adjust_request_pre_emphasis(uint8_t adjust_request[2],
 				      int lane)
 {
-	int	    i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
 	int	    s = ((lane & 1) ?
 			 DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT :
 			 DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT);
-	uint8_t l = intel_dp_link_status(link_status, i);
+	uint8_t l = adjust_request[lane>>1];
 
 	return ((l >> s) & 3) << DP_TRAIN_PRE_EMPHASIS_SHIFT;
 }
@@ -1344,6 +1376,7 @@
  * a maximum voltage of 800mV and a maximum pre-emphasis of 6dB
  */
 #define I830_DP_VOLTAGE_MAX	    DP_TRAIN_VOLTAGE_SWING_800
+#define I830_DP_VOLTAGE_MAX_CPT	    DP_TRAIN_VOLTAGE_SWING_1200
 
 static uint8_t
 intel_dp_pre_emphasis_max(uint8_t voltage_swing)
@@ -1362,15 +1395,18 @@
 }
 
 static void
-intel_get_adjust_train(struct intel_dp *intel_dp)
+intel_get_adjust_train(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
+	struct drm_device *dev = intel_dp->base.base.dev;
 	uint8_t v = 0;
 	uint8_t p = 0;
 	int lane;
+	uint8_t	*adjust_request = link_status + (DP_ADJUST_REQUEST_LANE0_1 - DP_LANE0_1_STATUS);
+	int voltage_max;
 
 	for (lane = 0; lane < intel_dp->lane_count; lane++) {
-		uint8_t this_v = intel_get_adjust_request_voltage(intel_dp->link_status, lane);
-		uint8_t this_p = intel_get_adjust_request_pre_emphasis(intel_dp->link_status, lane);
+		uint8_t this_v = intel_get_adjust_request_voltage(adjust_request, lane);
+		uint8_t this_p = intel_get_adjust_request_pre_emphasis(adjust_request, lane);
 
 		if (this_v > v)
 			v = this_v;
@@ -1378,8 +1414,12 @@
 			p = this_p;
 	}
 
-	if (v >= I830_DP_VOLTAGE_MAX)
-		v = I830_DP_VOLTAGE_MAX | DP_TRAIN_MAX_SWING_REACHED;
+	if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+		voltage_max = I830_DP_VOLTAGE_MAX_CPT;
+	else
+		voltage_max = I830_DP_VOLTAGE_MAX;
+	if (v >= voltage_max)
+		v = voltage_max | DP_TRAIN_MAX_SWING_REACHED;
 
 	if (p >= intel_dp_pre_emphasis_max(v))
 		p = intel_dp_pre_emphasis_max(v) | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
@@ -1389,7 +1429,7 @@
 }
 
 static uint32_t
-intel_dp_signal_levels(uint8_t train_set, int lane_count)
+intel_dp_signal_levels(uint8_t train_set)
 {
 	uint32_t	signal_levels = 0;
 
@@ -1458,9 +1498,8 @@
 intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
 		      int lane)
 {
-	int i = DP_LANE0_1_STATUS + (lane >> 1);
 	int s = (lane & 1) * 4;
-	uint8_t l = intel_dp_link_status(link_status, i);
+	uint8_t l = link_status[lane>>1];
 
 	return (l >> s) & 0xf;
 }
@@ -1485,18 +1524,18 @@
 			 DP_LANE_CHANNEL_EQ_DONE|\
 			 DP_LANE_SYMBOL_LOCKED)
 static bool
-intel_channel_eq_ok(struct intel_dp *intel_dp)
+intel_channel_eq_ok(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
 	uint8_t lane_align;
 	uint8_t lane_status;
 	int lane;
 
-	lane_align = intel_dp_link_status(intel_dp->link_status,
+	lane_align = intel_dp_link_status(link_status,
 					  DP_LANE_ALIGN_STATUS_UPDATED);
 	if ((lane_align & DP_INTERLANE_ALIGN_DONE) == 0)
 		return false;
 	for (lane = 0; lane < intel_dp->lane_count; lane++) {
-		lane_status = intel_get_lane_status(intel_dp->link_status, lane);
+		lane_status = intel_get_lane_status(link_status, lane);
 		if ((lane_status & CHANNEL_EQ_BITS) != CHANNEL_EQ_BITS)
 			return false;
 	}
@@ -1521,8 +1560,9 @@
 
 	ret = intel_dp_aux_native_write(intel_dp,
 					DP_TRAINING_LANE0_SET,
-					intel_dp->train_set, 4);
-	if (ret != 4)
+					intel_dp->train_set,
+					intel_dp->lane_count);
+	if (ret != intel_dp->lane_count)
 		return false;
 
 	return true;
@@ -1538,7 +1578,7 @@
 	int i;
 	uint8_t voltage;
 	bool clock_recovery = false;
-	int tries;
+	int voltage_tries, loop_tries;
 	u32 reg;
 	uint32_t DP = intel_dp->DP;
 
@@ -1565,16 +1605,20 @@
 		DP &= ~DP_LINK_TRAIN_MASK;
 	memset(intel_dp->train_set, 0, 4);
 	voltage = 0xff;
-	tries = 0;
+	voltage_tries = 0;
+	loop_tries = 0;
 	clock_recovery = false;
 	for (;;) {
 		/* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
+		uint8_t	    link_status[DP_LINK_STATUS_SIZE];
 		uint32_t    signal_levels;
-		if (IS_GEN6(dev) && is_edp(intel_dp)) {
+
+		if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
 			signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
-			signal_levels = intel_dp_signal_levels(intel_dp->train_set[0], intel_dp->lane_count);
+			signal_levels = intel_dp_signal_levels(intel_dp->train_set[0]);
+			DRM_DEBUG_KMS("training pattern 1 signal levels %08x\n", signal_levels);
 			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
 		}
 
@@ -1590,10 +1634,13 @@
 		/* Set training pattern 1 */
 
 		udelay(100);
-		if (!intel_dp_get_link_status(intel_dp))
+		if (!intel_dp_get_link_status(intel_dp, link_status)) {
+			DRM_ERROR("failed to get link status\n");
 			break;
+		}
 
-		if (intel_clock_recovery_ok(intel_dp->link_status, intel_dp->lane_count)) {
+		if (intel_clock_recovery_ok(link_status, intel_dp->lane_count)) {
+			DRM_DEBUG_KMS("clock recovery OK\n");
 			clock_recovery = true;
 			break;
 		}
@@ -1602,20 +1649,30 @@
 		for (i = 0; i < intel_dp->lane_count; i++)
 			if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0)
 				break;
-		if (i == intel_dp->lane_count)
-			break;
+		if (i == intel_dp->lane_count) {
+			++loop_tries;
+			if (loop_tries == 5) {
+				DRM_DEBUG_KMS("too many full retries, give up\n");
+				break;
+			}
+			memset(intel_dp->train_set, 0, 4);
+			voltage_tries = 0;
+			continue;
+		}
 
 		/* Check to see if we've tried the same voltage 5 times */
 		if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) == voltage) {
-			++tries;
-			if (tries == 5)
+			++voltage_tries;
+			if (voltage_tries == 5) {
+				DRM_DEBUG_KMS("too many voltage retries, give up\n");
 				break;
+			}
 		} else
-			tries = 0;
+			voltage_tries = 0;
 		voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
 
 		/* Compute new intel_dp->train_set as requested by target */
-		intel_get_adjust_train(intel_dp);
+		intel_get_adjust_train(intel_dp, link_status);
 	}
 
 	intel_dp->DP = DP;
@@ -1638,6 +1695,7 @@
 	for (;;) {
 		/* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
 		uint32_t    signal_levels;
+		uint8_t	    link_status[DP_LINK_STATUS_SIZE];
 
 		if (cr_tries > 5) {
 			DRM_ERROR("failed to train DP, aborting\n");
@@ -1645,11 +1703,11 @@
 			break;
 		}
 
-		if (IS_GEN6(dev) && is_edp(intel_dp)) {
+		if (IS_GEN6(dev) && is_cpu_edp(intel_dp)) {
 			signal_levels = intel_gen6_edp_signal_levels(intel_dp->train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
-			signal_levels = intel_dp_signal_levels(intel_dp->train_set[0], intel_dp->lane_count);
+			signal_levels = intel_dp_signal_levels(intel_dp->train_set[0]);
 			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
 		}
 
@@ -1665,17 +1723,17 @@
 			break;
 
 		udelay(400);
-		if (!intel_dp_get_link_status(intel_dp))
+		if (!intel_dp_get_link_status(intel_dp, link_status))
 			break;
 
 		/* Make sure clock is still ok */
-		if (!intel_clock_recovery_ok(intel_dp->link_status, intel_dp->lane_count)) {
+		if (!intel_clock_recovery_ok(link_status, intel_dp->lane_count)) {
 			intel_dp_start_link_train(intel_dp);
 			cr_tries++;
 			continue;
 		}
 
-		if (intel_channel_eq_ok(intel_dp)) {
+		if (intel_channel_eq_ok(intel_dp, link_status)) {
 			channel_eq = true;
 			break;
 		}
@@ -1690,7 +1748,7 @@
 		}
 
 		/* Compute new intel_dp->train_set as requested by target */
-		intel_get_adjust_train(intel_dp);
+		intel_get_adjust_train(intel_dp, link_status);
 		++tries;
 	}
 
@@ -1735,8 +1793,12 @@
 
 	msleep(17);
 
-	if (is_edp(intel_dp))
-		DP |= DP_LINK_TRAIN_OFF;
+	if (is_edp(intel_dp)) {
+		if (HAS_PCH_CPT(dev) && !is_cpu_edp(intel_dp))
+			DP |= DP_LINK_TRAIN_OFF_CPT;
+		else
+			DP |= DP_LINK_TRAIN_OFF;
+	}
 
 	if (!HAS_PCH_CPT(dev) &&
 	    I915_READ(intel_dp->output_reg) & DP_PIPEB_SELECT) {
@@ -1822,6 +1884,7 @@
 intel_dp_check_link_status(struct intel_dp *intel_dp)
 {
 	u8 sink_irq_vector;
+	u8 link_status[DP_LINK_STATUS_SIZE];
 
 	if (intel_dp->dpms_mode != DRM_MODE_DPMS_ON)
 		return;
@@ -1830,7 +1893,7 @@
 		return;
 
 	/* Try to read receiver status if the link appears to be up */
-	if (!intel_dp_get_link_status(intel_dp)) {
+	if (!intel_dp_get_link_status(intel_dp, link_status)) {
 		intel_dp_link_down(intel_dp);
 		return;
 	}
@@ -1855,7 +1918,7 @@
 			DRM_DEBUG_DRIVER("CP or sink specific irq unhandled\n");
 	}
 
-	if (!intel_channel_eq_ok(intel_dp)) {
+	if (!intel_channel_eq_ok(intel_dp, link_status)) {
 		DRM_DEBUG_KMS("%s: channel EQ not ok, retraining\n",
 			      drm_get_encoder_name(&intel_dp->base.base));
 		intel_dp_start_link_train(intel_dp);
@@ -2179,7 +2242,8 @@
 			continue;
 
 		intel_dp = enc_to_intel_dp(encoder);
-		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT)
+		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT ||
+		    intel_dp->base.type == INTEL_OUTPUT_EDP)
 			return intel_dp->output_reg;
 	}
 
@@ -2321,7 +2385,7 @@
 
 		cur.t8 = (pp_on & PANEL_LIGHT_ON_DELAY_MASK) >>
 			PANEL_LIGHT_ON_DELAY_SHIFT;
-		
+
 		cur.t9 = (pp_off & PANEL_LIGHT_OFF_DELAY_MASK) >>
 			PANEL_LIGHT_OFF_DELAY_SHIFT;
 
@@ -2354,11 +2418,10 @@
 		DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
 			      intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
 
-		intel_dp->panel_off_jiffies = jiffies - intel_dp->panel_power_down_delay;
-
 		ironlake_edp_panel_vdd_on(intel_dp);
 		ret = intel_dp_get_dpcd(intel_dp);
 		ironlake_edp_panel_vdd_off(intel_dp, false);
+
 		if (ret) {
 			if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11)
 				dev_priv->no_aux_handshake =
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 499d4c0..21f60b7 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -326,7 +326,8 @@
 static int intel_panel_get_brightness(struct backlight_device *bd)
 {
 	struct drm_device *dev = bl_get_data(bd);
-	return intel_panel_get_backlight(dev);
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	return dev_priv->backlight_level;
 }
 
 static const struct backlight_ops intel_panel_bl_ops = {
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 7fdfa8e..38e1bda 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -480,21 +480,23 @@
 		}
 		break;
 	case DB_Z_INFO:
-		r = evergreen_cs_packet_next_reloc(p, &reloc);
-		if (r) {
-			dev_warn(p->dev, "bad SET_CONTEXT_REG "
-					"0x%04X\n", reg);
-			return -EINVAL;
-		}
 		track->db_z_info = radeon_get_ib_value(p, idx);
-		ib[idx] &= ~Z_ARRAY_MODE(0xf);
-		track->db_z_info &= ~Z_ARRAY_MODE(0xf);
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-			ib[idx] |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-			track->db_z_info |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-		} else {
-			ib[idx] |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-			track->db_z_info |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+		if (!p->keep_tiling_flags) {
+			r = evergreen_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				dev_warn(p->dev, "bad SET_CONTEXT_REG "
+						"0x%04X\n", reg);
+				return -EINVAL;
+			}
+			ib[idx] &= ~Z_ARRAY_MODE(0xf);
+			track->db_z_info &= ~Z_ARRAY_MODE(0xf);
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+				ib[idx] |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+				track->db_z_info |= Z_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+			} else {
+				ib[idx] |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+				track->db_z_info |= Z_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+			}
 		}
 		break;
 	case DB_STENCIL_INFO:
@@ -607,40 +609,44 @@
 	case CB_COLOR5_INFO:
 	case CB_COLOR6_INFO:
 	case CB_COLOR7_INFO:
-		r = evergreen_cs_packet_next_reloc(p, &reloc);
-		if (r) {
-			dev_warn(p->dev, "bad SET_CONTEXT_REG "
-					"0x%04X\n", reg);
-			return -EINVAL;
-		}
 		tmp = (reg - CB_COLOR0_INFO) / 0x3c;
 		track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-			ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-		} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
-			ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+		if (!p->keep_tiling_flags) {
+			r = evergreen_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				dev_warn(p->dev, "bad SET_CONTEXT_REG "
+						"0x%04X\n", reg);
+				return -EINVAL;
+			}
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+				ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+			} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
+				ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+			}
 		}
 		break;
 	case CB_COLOR8_INFO:
 	case CB_COLOR9_INFO:
 	case CB_COLOR10_INFO:
 	case CB_COLOR11_INFO:
-		r = evergreen_cs_packet_next_reloc(p, &reloc);
-		if (r) {
-			dev_warn(p->dev, "bad SET_CONTEXT_REG "
-					"0x%04X\n", reg);
-			return -EINVAL;
-		}
 		tmp = ((reg - CB_COLOR8_INFO) / 0x1c) + 8;
 		track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
-			ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-		} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
-			ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
-			track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+		if (!p->keep_tiling_flags) {
+			r = evergreen_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				dev_warn(p->dev, "bad SET_CONTEXT_REG "
+						"0x%04X\n", reg);
+				return -EINVAL;
+			}
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) {
+				ib[idx] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+			} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) {
+				ib[idx] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+				track->cb_color_info[tmp] |= CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+			}
 		}
 		break;
 	case CB_COLOR0_PITCH:
@@ -1311,10 +1317,12 @@
 					return -EINVAL;
 				}
 				ib[idx+1+(i*8)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
-				if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-					ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
-				else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-					ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+				if (!p->keep_tiling_flags) {
+					if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+						ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_2D_TILED_THIN1);
+					else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+						ib[idx+1+(i*8)+1] |= TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1);
+				}
 				texture = reloc->robj;
 				/* tex mip base */
 				r = evergreen_cs_packet_next_reloc(p, &reloc);
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 400b26d..c93bc64 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -701,16 +701,21 @@
 			return r;
 		}
 
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-			tile_flags |= R300_TXO_MACRO_TILE;
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-			tile_flags |= R300_TXO_MICRO_TILE;
-		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
-			tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
+		if (p->keep_tiling_flags) {
+			ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
+				  ((idx_value & ~31) + (u32)reloc->lobj.gpu_offset);
+		} else {
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+				tile_flags |= R300_TXO_MACRO_TILE;
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+				tile_flags |= R300_TXO_MICRO_TILE;
+			else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+				tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
 
-		tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
-		tmp |= tile_flags;
-		ib[idx] = tmp;
+			tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
+			tmp |= tile_flags;
+			ib[idx] = tmp;
+		}
 		track->textures[i].robj = reloc->robj;
 		track->tex_dirty = true;
 		break;
@@ -760,24 +765,26 @@
 		/* RB3D_COLORPITCH1 */
 		/* RB3D_COLORPITCH2 */
 		/* RB3D_COLORPITCH3 */
-		r = r100_cs_packet_next_reloc(p, &reloc);
-		if (r) {
-			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
-				  idx, reg);
-			r100_cs_dump_packet(p, pkt);
-			return r;
+		if (!p->keep_tiling_flags) {
+			r = r100_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+					  idx, reg);
+				r100_cs_dump_packet(p, pkt);
+				return r;
+			}
+
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+				tile_flags |= R300_COLOR_TILE_ENABLE;
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+				tile_flags |= R300_COLOR_MICROTILE_ENABLE;
+			else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+				tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
+
+			tmp = idx_value & ~(0x7 << 16);
+			tmp |= tile_flags;
+			ib[idx] = tmp;
 		}
-
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-			tile_flags |= R300_COLOR_TILE_ENABLE;
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-			tile_flags |= R300_COLOR_MICROTILE_ENABLE;
-		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
-			tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
-
-		tmp = idx_value & ~(0x7 << 16);
-		tmp |= tile_flags;
-		ib[idx] = tmp;
 		i = (reg - 0x4E38) >> 2;
 		track->cb[i].pitch = idx_value & 0x3FFE;
 		switch (((idx_value >> 21) & 0xF)) {
@@ -843,25 +850,26 @@
 		break;
 	case 0x4F24:
 		/* ZB_DEPTHPITCH */
-		r = r100_cs_packet_next_reloc(p, &reloc);
-		if (r) {
-			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
-				  idx, reg);
-			r100_cs_dump_packet(p, pkt);
-			return r;
+		if (!p->keep_tiling_flags) {
+			r = r100_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+					  idx, reg);
+				r100_cs_dump_packet(p, pkt);
+				return r;
+			}
+
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+				tile_flags |= R300_DEPTHMACROTILE_ENABLE;
+			if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+				tile_flags |= R300_DEPTHMICROTILE_TILED;
+			else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+				tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
+
+			tmp = idx_value & ~(0x7 << 16);
+			tmp |= tile_flags;
+			ib[idx] = tmp;
 		}
-
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-			tile_flags |= R300_DEPTHMACROTILE_ENABLE;
-		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-			tile_flags |= R300_DEPTHMICROTILE_TILED;
-		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
-			tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
-
-		tmp = idx_value & ~(0x7 << 16);
-		tmp |= tile_flags;
-		ib[idx] = tmp;
-
 		track->zb.pitch = idx_value & 0x3FFC;
 		track->zb_dirty = true;
 		break;
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 0a2e023..cb1acff 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -941,7 +941,8 @@
 		track->db_depth_control = radeon_get_ib_value(p, idx);
 		break;
 	case R_028010_DB_DEPTH_INFO:
-		if (r600_cs_packet_next_is_pkt3_nop(p)) {
+		if (!p->keep_tiling_flags &&
+		    r600_cs_packet_next_is_pkt3_nop(p)) {
 			r = r600_cs_packet_next_reloc(p, &reloc);
 			if (r) {
 				dev_warn(p->dev, "bad SET_CONTEXT_REG "
@@ -992,7 +993,8 @@
 	case R_0280B4_CB_COLOR5_INFO:
 	case R_0280B8_CB_COLOR6_INFO:
 	case R_0280BC_CB_COLOR7_INFO:
-		if (r600_cs_packet_next_is_pkt3_nop(p)) {
+		if (!p->keep_tiling_flags &&
+		     r600_cs_packet_next_is_pkt3_nop(p)) {
 			r = r600_cs_packet_next_reloc(p, &reloc);
 			if (r) {
 				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
@@ -1291,10 +1293,12 @@
 	mip_offset <<= 8;
 
 	word0 = radeon_get_ib_value(p, idx + 0);
-	if (tiling_flags & RADEON_TILING_MACRO)
-		word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
-	else if (tiling_flags & RADEON_TILING_MICRO)
-		word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+	if (!p->keep_tiling_flags) {
+		if (tiling_flags & RADEON_TILING_MACRO)
+			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
+		else if (tiling_flags & RADEON_TILING_MICRO)
+			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+	}
 	word1 = radeon_get_ib_value(p, idx + 1);
 	w0 = G_038000_TEX_WIDTH(word0) + 1;
 	h0 = G_038004_TEX_HEIGHT(word1) + 1;
@@ -1621,10 +1625,12 @@
 					return -EINVAL;
 				}
 				base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
-				if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
-					ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
-				else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-					ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+				if (!p->keep_tiling_flags) {
+					if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
+						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
+					else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
+						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+				}
 				texture = reloc->robj;
 				/* tex mip base */
 				r = r600_cs_packet_next_reloc(p, &reloc);
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index fc5a1d6..8227e76 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -611,7 +611,8 @@
 	struct radeon_ib	*ib;
 	void			*track;
 	unsigned		family;
-	int parser_error;
+	int			parser_error;
+	bool			keep_tiling_flags;
 };
 
 extern int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx);
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index d2d1792..d24baf3 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -62,6 +62,87 @@
 	struct _ATOM_SUPPORTED_DEVICES_INFO_2d1 info_2d1;
 };
 
+static void radeon_lookup_i2c_gpio_quirks(struct radeon_device *rdev,
+					  ATOM_GPIO_I2C_ASSIGMENT *gpio,
+					  u8 index)
+{
+	/* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */
+	if ((rdev->family == CHIP_R420) ||
+	    (rdev->family == CHIP_R423) ||
+	    (rdev->family == CHIP_RV410)) {
+		if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) ||
+		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) ||
+		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) {
+			gpio->ucClkMaskShift = 0x19;
+			gpio->ucDataMaskShift = 0x18;
+		}
+	}
+
+	/* some evergreen boards have bad data for this entry */
+	if (ASIC_IS_DCE4(rdev)) {
+		if ((index == 7) &&
+		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
+		    (gpio->sucI2cId.ucAccess == 0)) {
+			gpio->sucI2cId.ucAccess = 0x97;
+			gpio->ucDataMaskShift = 8;
+			gpio->ucDataEnShift = 8;
+			gpio->ucDataY_Shift = 8;
+			gpio->ucDataA_Shift = 8;
+		}
+	}
+
+	/* some DCE3 boards have bad data for this entry */
+	if (ASIC_IS_DCE3(rdev)) {
+		if ((index == 4) &&
+		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
+		    (gpio->sucI2cId.ucAccess == 0x94))
+			gpio->sucI2cId.ucAccess = 0x14;
+	}
+}
+
+static struct radeon_i2c_bus_rec radeon_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio)
+{
+	struct radeon_i2c_bus_rec i2c;
+
+	memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
+
+	i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
+	i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
+	i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
+	i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
+	i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
+	i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
+	i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
+	i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
+	i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
+	i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
+	i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
+	i2c.en_data_mask = (1 << gpio->ucDataEnShift);
+	i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
+	i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
+	i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
+	i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
+
+	if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
+		i2c.hw_capable = true;
+	else
+		i2c.hw_capable = false;
+
+	if (gpio->sucI2cId.ucAccess == 0xa0)
+		i2c.mm_i2c = true;
+	else
+		i2c.mm_i2c = false;
+
+	i2c.i2c_id = gpio->sucI2cId.ucAccess;
+
+	if (i2c.mask_clk_reg)
+		i2c.valid = true;
+	else
+		i2c.valid = false;
+
+	return i2c;
+}
+
 static struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rdev,
 							       uint8_t id)
 {
@@ -85,59 +166,10 @@
 		for (i = 0; i < num_indices; i++) {
 			gpio = &i2c_info->asGPIO_Info[i];
 
-			/* some evergreen boards have bad data for this entry */
-			if (ASIC_IS_DCE4(rdev)) {
-				if ((i == 7) &&
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
-				    (gpio->sucI2cId.ucAccess == 0)) {
-					gpio->sucI2cId.ucAccess = 0x97;
-					gpio->ucDataMaskShift = 8;
-					gpio->ucDataEnShift = 8;
-					gpio->ucDataY_Shift = 8;
-					gpio->ucDataA_Shift = 8;
-				}
-			}
-
-			/* some DCE3 boards have bad data for this entry */
-			if (ASIC_IS_DCE3(rdev)) {
-				if ((i == 4) &&
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
-				    (gpio->sucI2cId.ucAccess == 0x94))
-					gpio->sucI2cId.ucAccess = 0x14;
-			}
+			radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
 
 			if (gpio->sucI2cId.ucAccess == id) {
-				i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
-				i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
-				i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
-				i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
-				i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
-				i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
-				i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
-				i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
-				i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
-				i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
-				i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
-				i2c.en_data_mask = (1 << gpio->ucDataEnShift);
-				i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
-				i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
-				i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
-				i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
-
-				if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
-					i2c.hw_capable = true;
-				else
-					i2c.hw_capable = false;
-
-				if (gpio->sucI2cId.ucAccess == 0xa0)
-					i2c.mm_i2c = true;
-				else
-					i2c.mm_i2c = false;
-
-				i2c.i2c_id = gpio->sucI2cId.ucAccess;
-
-				if (i2c.mask_clk_reg)
-					i2c.valid = true;
+				i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
 				break;
 			}
 		}
@@ -157,8 +189,6 @@
 	int i, num_indices;
 	char stmp[32];
 
-	memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
-
 	if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
 		i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
 
@@ -167,60 +197,12 @@
 
 		for (i = 0; i < num_indices; i++) {
 			gpio = &i2c_info->asGPIO_Info[i];
-			i2c.valid = false;
 
-			/* some evergreen boards have bad data for this entry */
-			if (ASIC_IS_DCE4(rdev)) {
-				if ((i == 7) &&
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
-				    (gpio->sucI2cId.ucAccess == 0)) {
-					gpio->sucI2cId.ucAccess = 0x97;
-					gpio->ucDataMaskShift = 8;
-					gpio->ucDataEnShift = 8;
-					gpio->ucDataY_Shift = 8;
-					gpio->ucDataA_Shift = 8;
-				}
-			}
+			radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
 
-			/* some DCE3 boards have bad data for this entry */
-			if (ASIC_IS_DCE3(rdev)) {
-				if ((i == 4) &&
-				    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
-				    (gpio->sucI2cId.ucAccess == 0x94))
-					gpio->sucI2cId.ucAccess = 0x14;
-			}
+			i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
 
-			i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
-			i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
-			i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
-			i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
-			i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
-			i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
-			i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
-			i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
-			i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
-			i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
-			i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
-			i2c.en_data_mask = (1 << gpio->ucDataEnShift);
-			i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
-			i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
-			i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
-			i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
-
-			if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
-				i2c.hw_capable = true;
-			else
-				i2c.hw_capable = false;
-
-			if (gpio->sucI2cId.ucAccess == 0xa0)
-				i2c.mm_i2c = true;
-			else
-				i2c.mm_i2c = false;
-
-			i2c.i2c_id = gpio->sucI2cId.ucAccess;
-
-			if (i2c.mask_clk_reg) {
-				i2c.valid = true;
+			if (i2c.valid) {
 				sprintf(stmp, "0x%x", i2c.i2c_id);
 				rdev->i2c_bus[i] = radeon_i2c_create(rdev->ddev, &i2c, stmp);
 			}
@@ -1996,14 +1978,14 @@
 		return state_index;
 	/* last mode is usually default, array is low to high */
 	for (i = 0; i < num_modes; i++) {
+		rdev->pm.power_state[state_index].clock_info =
+			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
+		if (!rdev->pm.power_state[state_index].clock_info)
+			return state_index;
+		rdev->pm.power_state[state_index].num_clock_modes = 1;
 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
 		switch (frev) {
 		case 1:
-			rdev->pm.power_state[state_index].clock_info =
-				kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
-			if (!rdev->pm.power_state[state_index].clock_info)
-				return state_index;
-			rdev->pm.power_state[state_index].num_clock_modes = 1;
 			rdev->pm.power_state[state_index].clock_info[0].mclk =
 				le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock);
 			rdev->pm.power_state[state_index].clock_info[0].sclk =
@@ -2039,11 +2021,6 @@
 			state_index++;
 			break;
 		case 2:
-			rdev->pm.power_state[state_index].clock_info =
-				kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
-			if (!rdev->pm.power_state[state_index].clock_info)
-				return state_index;
-			rdev->pm.power_state[state_index].num_clock_modes = 1;
 			rdev->pm.power_state[state_index].clock_info[0].mclk =
 				le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock);
 			rdev->pm.power_state[state_index].clock_info[0].sclk =
@@ -2080,11 +2057,6 @@
 			state_index++;
 			break;
 		case 3:
-			rdev->pm.power_state[state_index].clock_info =
-				kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
-			if (!rdev->pm.power_state[state_index].clock_info)
-				return state_index;
-			rdev->pm.power_state[state_index].num_clock_modes = 1;
 			rdev->pm.power_state[state_index].clock_info[0].mclk =
 				le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock);
 			rdev->pm.power_state[state_index].clock_info[0].sclk =
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index ccaa243..29afd71 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -93,7 +93,7 @@
 {
 	struct drm_radeon_cs *cs = data;
 	uint64_t *chunk_array_ptr;
-	unsigned size, i;
+	unsigned size, i, flags = 0;
 
 	if (!cs->num_chunks) {
 		return 0;
@@ -140,6 +140,10 @@
 			if (p->chunks[i].length_dw == 0)
 				return -EINVAL;
 		}
+		if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS &&
+		    !p->chunks[i].length_dw) {
+			return -EINVAL;
+		}
 
 		p->chunks[i].length_dw = user_chunk.length_dw;
 		p->chunks[i].user_ptr = (void __user *)(unsigned long)user_chunk.chunk_data;
@@ -155,6 +159,9 @@
 					       p->chunks[i].user_ptr, size)) {
 				return -EFAULT;
 			}
+			if (p->chunks[i].chunk_id == RADEON_CHUNK_ID_FLAGS) {
+				flags = p->chunks[i].kdata[0];
+			}
 		} else {
 			p->chunks[i].kpage[0] = kmalloc(PAGE_SIZE, GFP_KERNEL);
 			p->chunks[i].kpage[1] = kmalloc(PAGE_SIZE, GFP_KERNEL);
@@ -174,6 +181,8 @@
 			  p->chunks[p->chunk_ib_idx].length_dw);
 		return -EINVAL;
 	}
+
+	p->keep_tiling_flags = (flags & RADEON_CS_KEEP_TILING_FLAGS) != 0;
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index a0b35e9..71499fc 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -53,9 +53,10 @@
  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
  *   2.10.0 - fusion 2D tiling
  *   2.11.0 - backend map, initial compute support for the CS checker
+ *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
  */
 #define KMS_DRIVER_MAJOR	2
-#define KMS_DRIVER_MINOR	11
+#define KMS_DRIVER_MINOR	12
 #define KMS_DRIVER_PATCHLEVEL	0
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 617b646..0bb0f5f 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -574,10 +574,16 @@
 		return ret;
 
 	spin_lock(&glob->lru_lock);
+
+	if (unlikely(list_empty(&bo->ddestroy))) {
+		spin_unlock(&glob->lru_lock);
+		return 0;
+	}
+
 	ret = ttm_bo_reserve_locked(bo, interruptible,
 				    no_wait_reserve, false, 0);
 
-	if (unlikely(ret != 0) || list_empty(&bo->ddestroy)) {
+	if (unlikely(ret != 0)) {
 		spin_unlock(&glob->lru_lock);
 		return ret;
 	}
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index c72f1c0..111d956 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -465,31 +465,29 @@
 	while (new_bus) {
 		new_bridge = new_bus->self;
 
-		if (new_bridge) {
-			/* go through list of devices already registered */
-			list_for_each_entry(same_bridge_vgadev, &vga_list, list) {
-				bus = same_bridge_vgadev->pdev->bus;
+		/* go through list of devices already registered */
+		list_for_each_entry(same_bridge_vgadev, &vga_list, list) {
+			bus = same_bridge_vgadev->pdev->bus;
+			bridge = bus->self;
+
+			/* see if the share a bridge with this device */
+			if (new_bridge == bridge) {
+				/* if their direct parent bridge is the same
+				   as any bridge of this device then it can't be used
+				   for that device */
+				same_bridge_vgadev->bridge_has_one_vga = false;
+			}
+
+			/* now iterate the previous devices bridge hierarchy */
+			/* if the new devices parent bridge is in the other devices
+			   hierarchy then we can't use it to control this device */
+			while (bus) {
 				bridge = bus->self;
-
-				/* see if the share a bridge with this device */
-				if (new_bridge == bridge) {
-					/* if their direct parent bridge is the same
-					   as any bridge of this device then it can't be used
-					   for that device */
-					same_bridge_vgadev->bridge_has_one_vga = false;
+				if (bridge) {
+					if (bridge == vgadev->pdev->bus->self)
+						vgadev->bridge_has_one_vga = false;
 				}
-
-				/* now iterate the previous devices bridge hierarchy */
-				/* if the new devices parent bridge is in the other devices
-				   hierarchy then we can't use it to control this device */
-				while (bus) {
-					bridge = bus->self;
-					if (bridge) {
-						if (bridge == vgadev->pdev->bus->self)
-							vgadev->bridge_has_one_vga = false;
-					}
-					bus = bus->parent;
-				}
+				bus = bus->parent;
 			}
 		}
 		new_bus = new_bus->parent;
@@ -993,14 +991,20 @@
 				uc = &priv->cards[i];
 		}
 
-		if (!uc)
-			return -EINVAL;
+		if (!uc) {
+			ret_val = -EINVAL;
+			goto done;
+		}
 
-		if (io_state & VGA_RSRC_LEGACY_IO && uc->io_cnt == 0)
-			return -EINVAL;
+		if (io_state & VGA_RSRC_LEGACY_IO && uc->io_cnt == 0) {
+			ret_val = -EINVAL;
+			goto done;
+		}
 
-		if (io_state & VGA_RSRC_LEGACY_MEM && uc->mem_cnt == 0)
-			return -EINVAL;
+		if (io_state & VGA_RSRC_LEGACY_MEM && uc->mem_cnt == 0) {
+			ret_val = -EINVAL;
+			goto done;
+		}
 
 		vga_put(pdev, io_state);
 
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 9ec854a..91be41f 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -315,7 +315,7 @@
 
 config SENSORS_EXYNOS4_TMU
 	tristate "Temperature sensor on Samsung EXYNOS4"
-	depends on EXYNOS4_DEV_TMU
+	depends on ARCH_EXYNOS4
 	help
 	  If you say yes here you get support for TMU (Thermal Managment
 	  Unit) on SAMSUNG EXYNOS4 series of SoC.
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 85584a5..525c734 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -488,7 +488,7 @@
 
 	if (flags & I2C_M_TEN) {
 		/* a ten bit address */
-		addr = 0xf0 | ((msg->addr >> 7) & 0x03);
+		addr = 0xf0 | ((msg->addr >> 7) & 0x06);
 		bit_dbg(2, &i2c_adap->dev, "addr0: %d\n", addr);
 		/* try extended address code...*/
 		ret = try_address(i2c_adap, addr, retries);
@@ -498,7 +498,7 @@
 			return -ENXIO;
 		}
 		/* the remaining 8 bit address */
-		ret = i2c_outb(i2c_adap, msg->addr & 0x7f);
+		ret = i2c_outb(i2c_adap, msg->addr & 0xff);
 		if ((ret != 1) && !nak_ok) {
 			/* the chip did not ack / xmission error occurred */
 			dev_err(&i2c_adap->dev, "died at 2nd address code\n");
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 131079a..1e56061 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -539,8 +539,10 @@
 	client->dev.type = &i2c_client_type;
 	client->dev.of_node = info->of_node;
 
+	/* For 10-bit clients, add an arbitrary offset to avoid collisions */
 	dev_set_name(&client->dev, "%d-%04x", i2c_adapter_id(adap),
-		     client->addr);
+		     client->addr | ((client->flags & I2C_CLIENT_TEN)
+				     ? 0xa000 : 0));
 	status = device_register(&client->dev);
 	if (status)
 		goto out_err;
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index c90ce50..57a45ce8 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -579,7 +579,7 @@
 	return 0;
 }
 
-int i2cdev_notifier_call(struct notifier_block *nb, unsigned long action,
+static int i2cdev_notifier_call(struct notifier_block *nb, unsigned long action,
 			 void *data)
 {
 	struct device *dev = data;
diff --git a/drivers/ide/cy82c693.c b/drivers/ide/cy82c693.c
index 67cbcfa..847553f 100644
--- a/drivers/ide/cy82c693.c
+++ b/drivers/ide/cy82c693.c
@@ -1,7 +1,7 @@
 /*
  *  Copyright (C) 1998-2000 Andreas S. Krebs (akrebs@altavista.net), Maintainer
  *  Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>, Integrator
- *  Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz
+ *  Copyright (C) 2007-2011 Bartlomiej Zolnierkiewicz
  *
  * CYPRESS CY82C693 chipset IDE controller
  *
@@ -90,7 +90,7 @@
 	u8 time_16, time_8;
 
 	/* select primary or secondary channel */
-	if (hwif->index > 0) {  /* drive is on the secondary channel */
+	if (drive->dn > 1) {  /* drive is on the secondary channel */
 		dev = pci_get_slot(dev->bus, dev->devfn+1);
 		if (!dev) {
 			printk(KERN_ERR "%s: tune_drive: "
@@ -141,7 +141,7 @@
 		pci_write_config_byte(dev, CY82_IDE_SLAVE_IOW, time_16);
 		pci_write_config_byte(dev, CY82_IDE_SLAVE_8BIT, time_8);
 	}
-	if (hwif->index > 0)
+	if (drive->dn > 1)
 		pci_dev_put(dev);
 }
 
diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c
index 4a697a2..8716066 100644
--- a/drivers/ide/icside.c
+++ b/drivers/ide/icside.c
@@ -521,8 +521,8 @@
 	if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) {
 		d.init_dma = icside_dma_init;
 		d.port_ops = &icside_v6_port_ops;
+	} else
 		d.dma_ops = NULL;
-	}
 
 	ret = ide_host_register(host, &d, hws);
 	if (ret)
diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c
index b59d04c..1892e81 100644
--- a/drivers/ide/piix.c
+++ b/drivers/ide/piix.c
@@ -331,7 +331,7 @@
 		.udma_mask	= udma,			\
 	}
 
-#define DECLARE_ICH_DEV(udma) \
+#define DECLARE_ICH_DEV(mwdma, udma) \
 	{ \
 		.name		= DRV_NAME, \
 		.init_chipset	= init_chipset_ich, \
@@ -340,7 +340,7 @@
 		.port_ops	= &ich_port_ops, \
 		.pio_mask	= ATA_PIO4, \
 		.swdma_mask	= ATA_SWDMA2_ONLY, \
-		.mwdma_mask	= ATA_MWDMA12_ONLY, \
+		.mwdma_mask	= mwdma, \
 		.udma_mask	= udma, \
 	}
 
@@ -362,13 +362,15 @@
 	/* 2: PIIX4 */
 	DECLARE_PIIX_DEV(ATA_UDMA2),
 	/* 3: ICH0 */
-	DECLARE_ICH_DEV(ATA_UDMA2),
+	DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA2),
 	/* 4: ICH */
-	DECLARE_ICH_DEV(ATA_UDMA4),
+	DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA4),
 	/* 5: PIIX4 */
 	DECLARE_PIIX_DEV(ATA_UDMA4),
-	/* 6: ICH[2-7]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
-	DECLARE_ICH_DEV(ATA_UDMA5),
+	/* 6: ICH[2-6]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
+	DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA5),
+	/* 7: ICH7/7-R, no MWDMA1 */
+	DECLARE_ICH_DEV(ATA_MWDMA2_ONLY, ATA_UDMA5),
 };
 
 /**
@@ -438,9 +440,9 @@
 #endif
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB_2),      6 },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH6_19),    6 },
-	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21),    6 },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21),    7 },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801DB_1),  6 },
-	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18),    6 },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18),    7 },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH8_6),     6 },
 	{ 0, },
 };
diff --git a/drivers/ide/triflex.c b/drivers/ide/triflex.c
index e53a1b7..281c914 100644
--- a/drivers/ide/triflex.c
+++ b/drivers/ide/triflex.c
@@ -113,12 +113,26 @@
 };
 MODULE_DEVICE_TABLE(pci, triflex_pci_tbl);
 
+#ifdef CONFIG_PM
+static int triflex_ide_pci_suspend(struct pci_dev *dev, pm_message_t state)
+{
+	/*
+	 * We must not disable or powerdown the device.
+	 * APM bios refuses to suspend if IDE is not accessible.
+	 */
+	pci_save_state(dev);
+	return 0;
+}
+#else
+#define triflex_ide_pci_suspend NULL
+#endif
+
 static struct pci_driver triflex_pci_driver = {
 	.name		= "TRIFLEX_IDE",
 	.id_table	= triflex_pci_tbl,
 	.probe		= triflex_init_one,
 	.remove		= ide_pci_remove,
-	.suspend	= ide_pci_suspend,
+	.suspend	= triflex_ide_pci_suspend,
 	.resume		= ide_pci_resume,
 };
 
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 09b93b1..e2a9867 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1210,18 +1210,28 @@
  */
 static int elantech_set_properties(struct elantech_data *etd)
 {
+	/* This represents the version of IC body. */
 	int ver = (etd->fw_version & 0x0f0000) >> 16;
 
+	/* Early version of Elan touchpads doesn't obey the rule. */
 	if (etd->fw_version < 0x020030 || etd->fw_version == 0x020600)
 		etd->hw_version = 1;
-	else if (etd->fw_version < 0x150600)
-		etd->hw_version = 2;
-	else if (ver == 5)
-		etd->hw_version = 3;
-	else if (ver == 6)
-		etd->hw_version = 4;
-	else
-		return -1;
+	else {
+		switch (ver) {
+		case 2:
+		case 4:
+			etd->hw_version = 2;
+			break;
+		case 5:
+			etd->hw_version = 3;
+			break;
+		case 6:
+			etd->hw_version = 4;
+			break;
+		default:
+			return -1;
+		}
+	}
 
 	/*
 	 * Turn on packet checking by default.
diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c
index 4b2a42f..d4d08bd 100644
--- a/drivers/input/serio/ams_delta_serio.c
+++ b/drivers/input/serio/ams_delta_serio.c
@@ -24,6 +24,7 @@
 #include <linux/irq.h>
 #include <linux/serio.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 
 #include <asm/mach-types.h>
 #include <plat/board-ams-delta.h>
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index bb9f5d3..b4cfc6c 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -431,6 +431,13 @@
 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 		},
 	},
+	{
+		/* Newer HP Pavilion dv4 models */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
+		},
+	},
 	{ }
 };
 
@@ -560,6 +567,13 @@
 			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 		},
 	},
+	{
+		/* Newer HP Pavilion dv4 models */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 661b692..6d5628b 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -270,11 +270,8 @@
 	del_timer_sync(&led_cdev->blink_timer);
 
 	if (led_cdev->blink_set &&
-	    !led_cdev->blink_set(led_cdev, delay_on, delay_off)) {
-		led_cdev->blink_delay_on = *delay_on;
-		led_cdev->blink_delay_off = *delay_off;
+	    !led_cdev->blink_set(led_cdev, delay_on, delay_off))
 		return;
-	}
 
 	/* blink with 1 Hz as default if nothing specified */
 	if (!*delay_on && !*delay_off)
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index d593878..5664696 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -472,7 +472,7 @@
 	  module will be called bmp085.
 
 config PCH_PHUB
-	tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB"
+	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) PHUB"
 	depends on PCI
 	help
 	  This driver is for PCH(Platform controller Hub) PHUB(Packet Hub) of
@@ -480,12 +480,13 @@
 	  processor. The Topcliff has MAC address and Option ROM data in SROM.
 	  This driver can access MAC address and Option ROM data in SROM.
 
-	  This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
-	  Output Hub), ML7213 and ML7223.
-	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is
-	  for MP(Media Phone) use.
-	  ML7213/ML7223 is companion chip for Intel Atom E6xx series.
-	  ML7213/ML7223 is completely compatible for Intel EG20T PCH.
+	  This driver also can be used for LAPIS Semiconductor's IOH,
+	  ML7213/ML7223/ML7831.
+	  ML7213 which is for IVI(In-Vehicle Infotainment) use.
+	  ML7223 IOH is for MP(Media Phone) use.
+	  ML7831 IOH is for general purpose use.
+	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
+	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 
 	  To compile this driver as a module, choose M here: the module will
 	  be called pch_phub.
diff --git a/drivers/misc/ad525x_dpot.h b/drivers/misc/ad525x_dpot.h
index a662f59..82b2cb7 100644
--- a/drivers/misc/ad525x_dpot.h
+++ b/drivers/misc/ad525x_dpot.h
@@ -100,7 +100,7 @@
 	AD5293_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 27),
 	AD7376_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
 			BRDAC0, 7, 28),
-	AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+	AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
 			BRDAC0, 8, 29),
 	AD8402_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
 			BRDAC0 | BRDAC1, 8, 30),
diff --git a/drivers/misc/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c
index 7ce6065..eb5cd28 100644
--- a/drivers/misc/carma/carma-fpga-program.c
+++ b/drivers/misc/carma/carma-fpga-program.c
@@ -945,8 +945,7 @@
 /* CTL-CPLD Version Register */
 #define CTL_CPLD_VERSION	0x2000
 
-static int fpga_of_probe(struct platform_device *op,
-			 const struct of_device_id *match)
+static int fpga_of_probe(struct platform_device *op)
 {
 	struct device_node *of_node = op->dev.of_node;
 	struct device *this_device;
@@ -1107,7 +1106,7 @@
 	{},
 };
 
-static struct of_platform_driver fpga_of_driver = {
+static struct platform_driver fpga_of_driver = {
 	.probe		= fpga_of_probe,
 	.remove		= fpga_of_remove,
 	.driver		= {
@@ -1124,12 +1123,12 @@
 static int __init fpga_init(void)
 {
 	led_trigger_register_simple("fpga", &ledtrig_fpga);
-	return of_register_platform_driver(&fpga_of_driver);
+	return platform_driver_register(&fpga_of_driver);
 }
 
 static void __exit fpga_exit(void)
 {
-	of_unregister_platform_driver(&fpga_of_driver);
+	platform_driver_unregister(&fpga_of_driver);
 	led_trigger_unregister_simple(ledtrig_fpga);
 }
 
diff --git a/drivers/misc/carma/carma-fpga.c b/drivers/misc/carma/carma-fpga.c
index 3965821..14e974b2 100644
--- a/drivers/misc/carma/carma-fpga.c
+++ b/drivers/misc/carma/carma-fpga.c
@@ -1249,8 +1249,7 @@
 	return true;
 }
 
-static int data_of_probe(struct platform_device *op,
-			 const struct of_device_id *match)
+static int data_of_probe(struct platform_device *op)
 {
 	struct device_node *of_node = op->dev.of_node;
 	struct device *this_device;
@@ -1401,7 +1400,7 @@
 	{},
 };
 
-static struct of_platform_driver data_of_driver = {
+static struct platform_driver data_of_driver = {
 	.probe		= data_of_probe,
 	.remove		= data_of_remove,
 	.driver		= {
@@ -1417,12 +1416,12 @@
 
 static int __init data_init(void)
 {
-	return of_register_platform_driver(&data_of_driver);
+	return platform_driver_register(&data_of_driver);
 }
 
 static void __exit data_exit(void)
 {
-	of_unregister_platform_driver(&data_of_driver);
+	platform_driver_unregister(&data_of_driver);
 }
 
 MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig
index 26cf12c..701edf6 100644
--- a/drivers/misc/eeprom/Kconfig
+++ b/drivers/misc/eeprom/Kconfig
@@ -85,7 +85,7 @@
 
 config EEPROM_DIGSY_MTC_CFG
 	bool "DigsyMTC display configuration EEPROMs device"
-	depends on PPC_MPC5200_GPIO && GPIOLIB && SPI_GPIO
+	depends on GPIO_MPC5200 && SPI_GPIO
 	help
 	  This option enables access to display configuration EEPROMs
 	  on digsy_mtc board. You have to additionally select Microwire
diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index dee33ad..10fc478 100644
--- a/drivers/misc/pch_phub.c
+++ b/drivers/misc/pch_phub.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
  *
  * 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
@@ -41,10 +41,10 @@
 #define PCH_PHUB_ROM_START_ADDR_EG20T 0x80 /* ROM data area start address offset
 					      (Intel EG20T PCH)*/
 #define PCH_PHUB_ROM_START_ADDR_ML7213 0x400 /* ROM data area start address
-						offset(OKI SEMICONDUCTOR ML7213)
+						offset(LAPIS Semicon ML7213)
 					      */
 #define PCH_PHUB_ROM_START_ADDR_ML7223 0x400 /* ROM data area start address
-						offset(OKI SEMICONDUCTOR ML7223)
+						offset(LAPIS Semicon ML7223)
 					      */
 
 /* MAX number of INT_REDUCE_CONTROL registers */
@@ -73,6 +73,9 @@
 #define PCI_DEVICE_ID_ROHM_ML7223_mPHUB	0x8012 /* for Bus-m */
 #define PCI_DEVICE_ID_ROHM_ML7223_nPHUB	0x8002 /* for Bus-n */
 
+/* Macros for ML7831 */
+#define PCI_DEVICE_ID_ROHM_ML7831_PHUB 0x8801
+
 /* SROM ACCESS Macro */
 #define PCH_WORD_ADDR_MASK (~((1 << 2) - 1))
 
@@ -115,6 +118,7 @@
  * @pch_mac_start_address:		MAC address area start address
  * @pch_opt_rom_start_address:		Option ROM start address
  * @ioh_type:				Save IOH type
+ * @pdev:				pointer to pci device struct
  */
 struct pch_phub_reg {
 	u32 phub_id_reg;
@@ -136,6 +140,7 @@
 	u32 pch_mac_start_address;
 	u32 pch_opt_rom_start_address;
 	int ioh_type;
+	struct pci_dev *pdev;
 };
 
 /* SROM SPEC for MAC address assignment offset */
@@ -471,7 +476,7 @@
 	int retval;
 	int i;
 
-	if (chip->ioh_type == 1) /* EG20T */
+	if ((chip->ioh_type == 1) || (chip->ioh_type == 5)) /* EG20T or ML7831*/
 		retval = pch_phub_gbe_serial_rom_conf(chip);
 	else	/* ML7223 */
 		retval = pch_phub_gbe_serial_rom_conf_mp(chip);
@@ -498,6 +503,7 @@
 	unsigned int orom_size;
 	int ret;
 	int err;
+	ssize_t rom_size;
 
 	struct pch_phub_reg *chip =
 		dev_get_drvdata(container_of(kobj, struct device, kobj));
@@ -509,6 +515,10 @@
 	}
 
 	/* Get Rom signature */
+	chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+	if (!chip->pch_phub_extrom_base_address)
+		goto exrom_map_err;
+
 	pch_phub_read_serial_rom(chip, chip->pch_opt_rom_start_address,
 				(unsigned char *)&rom_signature);
 	rom_signature &= 0xff;
@@ -539,10 +549,13 @@
 		goto return_err;
 	}
 return_ok:
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
 	mutex_unlock(&pch_phub_mutex);
 	return addr_offset;
 
 return_err:
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
+exrom_map_err:
 	mutex_unlock(&pch_phub_mutex);
 return_err_nomutex:
 	return err;
@@ -555,6 +568,7 @@
 	int err;
 	unsigned int addr_offset;
 	int ret;
+	ssize_t rom_size;
 	struct pch_phub_reg *chip =
 		dev_get_drvdata(container_of(kobj, struct device, kobj));
 
@@ -571,6 +585,12 @@
 		goto return_ok;
 	}
 
+	chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+	if (!chip->pch_phub_extrom_base_address) {
+		err = -ENOMEM;
+		goto exrom_map_err;
+	}
+
 	for (addr_offset = 0; addr_offset < count; addr_offset++) {
 		if (PCH_PHUB_OROM_SIZE < off + addr_offset)
 			goto return_ok;
@@ -585,10 +605,14 @@
 	}
 
 return_ok:
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
 	mutex_unlock(&pch_phub_mutex);
 	return addr_offset;
 
 return_err:
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
+
+exrom_map_err:
 	mutex_unlock(&pch_phub_mutex);
 	return err;
 }
@@ -598,8 +622,14 @@
 {
 	u8 mac[8];
 	struct pch_phub_reg *chip = dev_get_drvdata(dev);
+	ssize_t rom_size;
+
+	chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+	if (!chip->pch_phub_extrom_base_address)
+		return -ENOMEM;
 
 	pch_phub_read_gbe_mac_addr(chip, mac);
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
 
 	return sprintf(buf, "%pM\n", mac);
 }
@@ -608,6 +638,7 @@
 			     const char *buf, size_t count)
 {
 	u8 mac[6];
+	ssize_t rom_size;
 	struct pch_phub_reg *chip = dev_get_drvdata(dev);
 
 	if (count != 18)
@@ -617,7 +648,12 @@
 		(u32 *)&mac[0], (u32 *)&mac[1], (u32 *)&mac[2], (u32 *)&mac[3],
 		(u32 *)&mac[4], (u32 *)&mac[5]);
 
+	chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+	if (!chip->pch_phub_extrom_base_address)
+		return -ENOMEM;
+
 	pch_phub_write_gbe_mac_addr(chip, mac);
+	pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
 
 	return count;
 }
@@ -640,7 +676,6 @@
 	int retval;
 
 	int ret;
-	ssize_t rom_size;
 	struct pch_phub_reg *chip;
 
 	chip = kzalloc(sizeof(struct pch_phub_reg), GFP_KERNEL);
@@ -677,19 +712,7 @@
 		"in pch_phub_base_address variable is %p\n", __func__,
 		chip->pch_phub_base_address);
 
-	if (id->driver_data != 3) {
-		chip->pch_phub_extrom_base_address =\
-						   pci_map_rom(pdev, &rom_size);
-		if (chip->pch_phub_extrom_base_address == 0) {
-			dev_err(&pdev->dev, "%s: pci_map_rom FAILED", __func__);
-			ret = -ENOMEM;
-			goto err_pci_map;
-		}
-		dev_dbg(&pdev->dev, "%s : "
-			"pci_map_rom SUCCESS and value in "
-			"pch_phub_extrom_base_address variable is %p\n",
-			__func__, chip->pch_phub_extrom_base_address);
-	}
+	chip->pdev = pdev; /* Save pci device struct */
 
 	if (id->driver_data == 1) { /* EG20T PCH */
 		const char *board_name;
@@ -763,6 +786,22 @@
 		chip->pch_opt_rom_start_address =\
 						 PCH_PHUB_ROM_START_ADDR_ML7223;
 		chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223;
+	} else if (id->driver_data == 5) { /* ML7831 */
+		retval = sysfs_create_file(&pdev->dev.kobj,
+					   &dev_attr_pch_mac.attr);
+		if (retval)
+			goto err_sysfs_create;
+
+		retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
+		if (retval)
+			goto exit_bin_attr;
+
+		/* set the prefech value */
+		iowrite32(0x000affaa, chip->pch_phub_base_address + 0x14);
+		/* set the interrupt delay value */
+		iowrite32(0x25, chip->pch_phub_base_address + 0x44);
+		chip->pch_opt_rom_start_address = PCH_PHUB_ROM_START_ADDR_EG20T;
+		chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_EG20T;
 	}
 
 	chip->ioh_type = id->driver_data;
@@ -773,8 +812,6 @@
 	sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr);
 
 err_sysfs_create:
-	pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address);
-err_pci_map:
 	pci_iounmap(pdev, chip->pch_phub_base_address);
 err_pci_iomap:
 	pci_release_regions(pdev);
@@ -792,7 +829,6 @@
 
 	sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr);
 	sysfs_remove_bin_file(&pdev->dev.kobj, &pch_bin_attr);
-	pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address);
 	pci_iounmap(pdev, chip->pch_phub_base_address);
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
@@ -847,6 +883,7 @@
 	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7213_PHUB), 2,  },
 	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_mPHUB), 3,  },
 	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_nPHUB), 4,  },
+	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7831_PHUB), 5,  },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, pch_phub_pcidev_id);
@@ -873,5 +910,5 @@
 module_init(pch_phub_pci_init);
 module_exit(pch_phub_pci_exit);
 
-MODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB");
+MODULE_DESCRIPTION("Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7223) PHUB");
 MODULE_LICENSE("GPL");
diff --git a/drivers/misc/spear13xx_pcie_gadget.c b/drivers/misc/spear13xx_pcie_gadget.c
index cfbddbe..43d073b 100644
--- a/drivers/misc/spear13xx_pcie_gadget.c
+++ b/drivers/misc/spear13xx_pcie_gadget.c
@@ -903,6 +903,6 @@
 }
 module_exit(spear_pcie_gadget_exit);
 
-MODULE_ALIAS("pcie-gadget-spear");
+MODULE_ALIAS("platform:pcie-gadget-spear");
 MODULE_AUTHOR("Pratyush Anand");
 MODULE_LICENSE("GPL");
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 583f66c..654a5e9 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -245,6 +245,8 @@
 
 source "drivers/net/fddi/Kconfig"
 
+source "drivers/net/hippi/Kconfig"
+
 config NET_SB1000
 	tristate "General Instruments Surfboard 1000"
 	depends on PNP
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 5a20804..4ef7e2f 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -319,6 +319,13 @@
 		goto out;
 	}
 
+	if (bond->slave_cnt > 0) {
+		pr_err("unable to update mode of %s because it has slaves.\n",
+			bond->dev->name);
+		ret = -EPERM;
+		goto out;
+	}
+
 	new_value = bond_parse_parm(buf, bond_mode_tbl);
 	if (new_value < 0)  {
 		pr_err("%s: Ignoring invalid mode value %.*s.\n",
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 6486ab8..2f6361e 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -10548,33 +10548,38 @@
 
 int bnx2x_init_firmware(struct bnx2x *bp)
 {
-	const char *fw_file_name;
 	struct bnx2x_fw_file_hdr *fw_hdr;
 	int rc;
 
-	if (CHIP_IS_E1(bp))
-		fw_file_name = FW_FILE_NAME_E1;
-	else if (CHIP_IS_E1H(bp))
-		fw_file_name = FW_FILE_NAME_E1H;
-	else if (!CHIP_IS_E1x(bp))
-		fw_file_name = FW_FILE_NAME_E2;
-	else {
-		BNX2X_ERR("Unsupported chip revision\n");
-		return -EINVAL;
-	}
 
-	BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
+	if (!bp->firmware) {
+		const char *fw_file_name;
 
-	rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
-	if (rc) {
-		BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
-		goto request_firmware_exit;
-	}
+		if (CHIP_IS_E1(bp))
+			fw_file_name = FW_FILE_NAME_E1;
+		else if (CHIP_IS_E1H(bp))
+			fw_file_name = FW_FILE_NAME_E1H;
+		else if (!CHIP_IS_E1x(bp))
+			fw_file_name = FW_FILE_NAME_E2;
+		else {
+			BNX2X_ERR("Unsupported chip revision\n");
+			return -EINVAL;
+		}
+		BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
 
-	rc = bnx2x_check_firmware(bp);
-	if (rc) {
-		BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
-		goto request_firmware_exit;
+		rc = request_firmware(&bp->firmware, fw_file_name,
+				      &bp->pdev->dev);
+		if (rc) {
+			BNX2X_ERR("Can't load firmware file %s\n",
+				  fw_file_name);
+			goto request_firmware_exit;
+		}
+
+		rc = bnx2x_check_firmware(bp);
+		if (rc) {
+			BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
+			goto request_firmware_exit;
+		}
 	}
 
 	fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
@@ -10630,6 +10635,7 @@
 	kfree(bp->init_ops);
 	kfree(bp->init_data);
 	release_firmware(bp->firmware);
+	bp->firmware = NULL;
 }
 
 
@@ -10925,6 +10931,8 @@
 	if (bp->doorbells)
 		iounmap(bp->doorbells);
 
+	bnx2x_release_firmware(bp);
+
 	bnx2x_free_mem_bp(bp);
 
 	free_netdev(dev);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 0440425..1451769 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -5380,7 +5380,7 @@
 	rc = drv->init_fw(bp);
 	if (rc) {
 		BNX2X_ERR("Error loading firmware\n");
-		goto fw_init_err;
+		goto init_err;
 	}
 
 	/* Handle the beginning of COMMON_XXX pases separatelly... */
@@ -5388,25 +5388,25 @@
 	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
 		rc = bnx2x_func_init_cmn_chip(bp, drv);
 		if (rc)
-			goto init_hw_err;
+			goto init_err;
 
 		break;
 	case FW_MSG_CODE_DRV_LOAD_COMMON:
 		rc = bnx2x_func_init_cmn(bp, drv);
 		if (rc)
-			goto init_hw_err;
+			goto init_err;
 
 		break;
 	case FW_MSG_CODE_DRV_LOAD_PORT:
 		rc = bnx2x_func_init_port(bp, drv);
 		if (rc)
-			goto init_hw_err;
+			goto init_err;
 
 		break;
 	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
 		rc = bnx2x_func_init_func(bp, drv);
 		if (rc)
-			goto init_hw_err;
+			goto init_err;
 
 		break;
 	default:
@@ -5414,10 +5414,7 @@
 		rc = -EINVAL;
 	}
 
-init_hw_err:
-	drv->release_fw(bp);
-
-fw_init_err:
+init_err:
 	drv->gunzip_end(bp);
 
 	/* In case of success, complete the comand immediatelly: no ramrods
diff --git a/drivers/net/ethernet/cadence/Kconfig b/drivers/net/ethernet/cadence/Kconfig
index 98849a1..b48378a 100644
--- a/drivers/net/ethernet/cadence/Kconfig
+++ b/drivers/net/ethernet/cadence/Kconfig
@@ -7,6 +7,7 @@
 
 config NET_ATMEL
 	bool "Atmel devices"
+	default y
 	depends on HAVE_NET_MACB || (ARM && ARCH_AT91RM9200)
 	---help---
 	  If you have a network (Ethernet) card belonging to this class, say Y.
diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
index 6bb2b95..0b3567a 100644
--- a/drivers/net/ethernet/lantiq_etop.c
+++ b/drivers/net/ethernet/lantiq_etop.c
@@ -34,6 +34,8 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
 
 #include <asm/checksum.h>
 
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index fdc6c39..7803efa 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -50,7 +50,7 @@
 #include "sky2.h"
 
 #define DRV_NAME		"sky2"
-#define DRV_VERSION		"1.29"
+#define DRV_VERSION		"1.30"
 
 /*
  * The Yukon II chipset takes 64 bit command blocks (called list elements)
@@ -68,7 +68,7 @@
 #define MAX_SKB_TX_LE	(2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1))
 #define TX_MIN_PENDING		(MAX_SKB_TX_LE+1)
 #define TX_MAX_PENDING		1024
-#define TX_DEF_PENDING		127
+#define TX_DEF_PENDING		63
 
 #define TX_WATCHDOG		(5 * HZ)
 #define NAPI_WEIGHT		64
@@ -869,6 +869,7 @@
 
 	/* block receiver */
 	sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
+	sky2_read32(hw, B0_CTST);
 }
 
 static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port)
@@ -1274,6 +1275,14 @@
 		     ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
 }
 
+/*
+ * Fixed initial key as seed to RSS.
+ */
+static const uint32_t rss_init_key[10] = {
+	0x7c3351da, 0x51c5cf4e,	0x44adbdd1, 0xe8d38d18,	0x48897c43,
+	0xb1d60e7e, 0x6a3dd760, 0x01a2e453, 0x16f46f13, 0x1a0e7b30
+};
+
 /* Enable/disable receive hash calculation (RSS) */
 static void rx_set_rss(struct net_device *dev, u32 features)
 {
@@ -1289,12 +1298,9 @@
 
 	/* Program RSS initial values */
 	if (features & NETIF_F_RXHASH) {
-		u32 key[nkeys];
-
-		get_random_bytes(key, nkeys * sizeof(u32));
 		for (i = 0; i < nkeys; i++)
 			sky2_write32(hw, SK_REG(sky2->port, RSS_KEY + i * 4),
-				     key[i]);
+				     rss_init_key[i]);
 
 		/* Need to turn on (undocumented) flag to make hashing work  */
 		sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T),
@@ -1717,6 +1723,8 @@
 	if (err)
 		dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq);
 	else {
+		hw->flags |= SKY2_HW_IRQ_SETUP;
+
 		napi_enable(&hw->napi);
 		sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
 		sky2_read32(hw, B0_IMSK);
@@ -1727,7 +1735,7 @@
 
 
 /* Bring up network interface. */
-static int sky2_up(struct net_device *dev)
+static int sky2_open(struct net_device *dev)
 {
 	struct sky2_port *sky2 = netdev_priv(dev);
 	struct sky2_hw *hw = sky2->hw;
@@ -1747,6 +1755,11 @@
 
 	sky2_hw_up(sky2);
 
+	if (hw->chip_id == CHIP_ID_YUKON_OPT ||
+	    hw->chip_id == CHIP_ID_YUKON_PRM ||
+	    hw->chip_id == CHIP_ID_YUKON_OP_2)
+		imask |= Y2_IS_PHY_QLNK;	/* enable PHY Quick Link */
+
 	/* Enable interrupts from phy/mac for port */
 	imask = sky2_read32(hw, B0_IMSK);
 	imask |= portirq_msk[port];
@@ -2040,6 +2053,8 @@
 
 	sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET);
 	sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
+
+	sky2_read32(hw, B0_CTST);
 }
 
 static void sky2_hw_down(struct sky2_port *sky2)
@@ -2090,7 +2105,7 @@
 }
 
 /* Network shutdown */
-static int sky2_down(struct net_device *dev)
+static int sky2_close(struct net_device *dev)
 {
 	struct sky2_port *sky2 = netdev_priv(dev);
 	struct sky2_hw *hw = sky2->hw;
@@ -2101,15 +2116,22 @@
 
 	netif_info(sky2, ifdown, dev, "disabling interface\n");
 
-	/* Disable port IRQ */
-	sky2_write32(hw, B0_IMSK,
-		     sky2_read32(hw, B0_IMSK) & ~portirq_msk[sky2->port]);
-	sky2_read32(hw, B0_IMSK);
-
 	if (hw->ports == 1) {
+		sky2_write32(hw, B0_IMSK, 0);
+		sky2_read32(hw, B0_IMSK);
+
 		napi_disable(&hw->napi);
 		free_irq(hw->pdev->irq, hw);
+		hw->flags &= ~SKY2_HW_IRQ_SETUP;
 	} else {
+		u32 imask;
+
+		/* Disable port IRQ */
+		imask  = sky2_read32(hw, B0_IMSK);
+		imask &= ~portirq_msk[sky2->port];
+		sky2_write32(hw, B0_IMSK, imask);
+		sky2_read32(hw, B0_IMSK);
+
 		synchronize_irq(hw->pdev->irq);
 		napi_synchronize(&hw->napi);
 	}
@@ -2587,7 +2609,7 @@
 	if (netif_running(dev)) {
 		sky2_tx_complete(sky2, last);
 
-		/* Wake unless it's detached, and called e.g. from sky2_down() */
+		/* Wake unless it's detached, and called e.g. from sky2_close() */
 		if (tx_avail(sky2) > MAX_SKB_TX_LE + 4)
 			netif_wake_queue(dev);
 	}
@@ -3258,7 +3280,6 @@
 	    hw->chip_id == CHIP_ID_YUKON_PRM ||
 	    hw->chip_id == CHIP_ID_YUKON_OP_2) {
 		u16 reg;
-		u32 msk;
 
 		if (hw->chip_id == CHIP_ID_YUKON_OPT && hw->chip_rev == 0) {
 			/* disable PCI-E PHY power down (set PHY reg 0x80, bit 7 */
@@ -3281,11 +3302,6 @@
 		sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
 		sky2_pci_write16(hw, PSM_CONFIG_REG4, reg);
 
-		/* enable PHY Quick Link */
-		msk = sky2_read32(hw, B0_IMSK);
-		msk |= Y2_IS_PHY_QLNK;
-		sky2_write32(hw, B0_IMSK, msk);
-
 		/* check if PSMv2 was running before */
 		reg = sky2_pci_read16(hw, PSM_CONFIG_REG3);
 		if (reg & PCI_EXP_LNKCTL_ASPMC)
@@ -3383,7 +3399,7 @@
 		netif_tx_lock(dev);
 		netif_device_detach(dev);	/* stop txq */
 		netif_tx_unlock(dev);
-		sky2_down(dev);
+		sky2_close(dev);
 	}
 }
 
@@ -3393,7 +3409,7 @@
 	int err = 0;
 
 	if (netif_running(dev)) {
-		err = sky2_up(dev);
+		err = sky2_open(dev);
 		if (err) {
 			netdev_info(dev, "could not restart %d\n", err);
 			dev_close(dev);
@@ -3410,10 +3426,13 @@
 {
 	int i;
 
-	sky2_read32(hw, B0_IMSK);
-	sky2_write32(hw, B0_IMSK, 0);
-	synchronize_irq(hw->pdev->irq);
-	napi_disable(&hw->napi);
+	if (hw->flags & SKY2_HW_IRQ_SETUP) {
+		sky2_read32(hw, B0_IMSK);
+		sky2_write32(hw, B0_IMSK, 0);
+
+		synchronize_irq(hw->pdev->irq);
+		napi_disable(&hw->napi);
+	}
 
 	for (i = 0; i < hw->ports; i++) {
 		struct net_device *dev = hw->dev[i];
@@ -3446,11 +3465,12 @@
 		netif_wake_queue(dev);
 	}
 
-	sky2_write32(hw, B0_IMSK, imask);
-	sky2_read32(hw, B0_IMSK);
-
-	sky2_read32(hw, B0_Y2_SP_LISR);
-	napi_enable(&hw->napi);
+	if (hw->flags & SKY2_HW_IRQ_SETUP) {
+		sky2_write32(hw, B0_IMSK, imask);
+		sky2_read32(hw, B0_IMSK);
+		sky2_read32(hw, B0_Y2_SP_LISR);
+		napi_enable(&hw->napi);
+	}
 }
 
 static void sky2_restart(struct work_struct *work)
@@ -4071,6 +4091,16 @@
 	return 0;
 }
 
+/*
+ * Hardware is limited to min of 128 and max of 2048 for ring size
+ * and  rounded up to next power of two
+ * to avoid division in modulus calclation
+ */
+static unsigned long roundup_ring_size(unsigned long pending)
+{
+	return max(128ul, roundup_pow_of_two(pending+1));
+}
+
 static void sky2_get_ringparam(struct net_device *dev,
 			       struct ethtool_ringparam *ering)
 {
@@ -4098,7 +4128,7 @@
 
 	sky2->rx_pending = ering->rx_pending;
 	sky2->tx_pending = ering->tx_pending;
-	sky2->tx_ring_size = roundup_pow_of_two(sky2->tx_pending+1);
+	sky2->tx_ring_size = roundup_ring_size(sky2->tx_pending);
 
 	return sky2_reattach(dev);
 }
@@ -4556,7 +4586,7 @@
 	struct net_device *dev = ptr;
 	struct sky2_port *sky2 = netdev_priv(dev);
 
-	if (dev->netdev_ops->ndo_open != sky2_up || !sky2_debug)
+	if (dev->netdev_ops->ndo_open != sky2_open || !sky2_debug)
 		return NOTIFY_DONE;
 
 	switch (event) {
@@ -4621,8 +4651,8 @@
    not allowing netpoll on second port */
 static const struct net_device_ops sky2_netdev_ops[2] = {
   {
-	.ndo_open		= sky2_up,
-	.ndo_stop		= sky2_down,
+	.ndo_open		= sky2_open,
+	.ndo_stop		= sky2_close,
 	.ndo_start_xmit		= sky2_xmit_frame,
 	.ndo_do_ioctl		= sky2_ioctl,
 	.ndo_validate_addr	= eth_validate_addr,
@@ -4638,8 +4668,8 @@
 #endif
   },
   {
-	.ndo_open		= sky2_up,
-	.ndo_stop		= sky2_down,
+	.ndo_open		= sky2_open,
+	.ndo_stop		= sky2_close,
 	.ndo_start_xmit		= sky2_xmit_frame,
 	.ndo_do_ioctl		= sky2_ioctl,
 	.ndo_validate_addr	= eth_validate_addr,
@@ -4692,7 +4722,7 @@
 	spin_lock_init(&sky2->phy_lock);
 
 	sky2->tx_pending = TX_DEF_PENDING;
-	sky2->tx_ring_size = roundup_pow_of_two(TX_DEF_PENDING+1);
+	sky2->tx_ring_size = roundup_ring_size(TX_DEF_PENDING);
 	sky2->rx_pending = RX_DEF_PENDING;
 
 	hw->dev[port] = dev;
diff --git a/drivers/net/ethernet/marvell/sky2.h b/drivers/net/ethernet/marvell/sky2.h
index 0af31b8..ff6f58b 100644
--- a/drivers/net/ethernet/marvell/sky2.h
+++ b/drivers/net/ethernet/marvell/sky2.h
@@ -2287,6 +2287,7 @@
 #define SKY2_HW_RSS_BROKEN	0x00000100
 #define SKY2_HW_VLAN_BROKEN     0x00000200
 #define SKY2_HW_RSS_CHKSUM	0x00000400	/* RSS requires chksum */
+#define SKY2_HW_IRQ_SETUP	0x00000800
 
 	u8	     	     chip_id;
 	u8		     chip_rev;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index b89c36d..c2df6c3 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -581,6 +581,7 @@
 		 * Packet is OK - process it.
 		 */
 		length = be32_to_cpu(cqe->byte_cnt);
+		length -= ring->fcs_del;
 		ring->bytes += length;
 		ring->packets++;
 
@@ -813,8 +814,11 @@
 	context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma);
 
 	/* Cancel FCS removal if FW allows */
-	if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)
+	if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP) {
 		context->param3 |= cpu_to_be32(1 << 29);
+		ring->fcs_del = ETH_FCS_LEN;
+	} else
+		ring->fcs_del = 0;
 
 	err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, context, qp, state);
 	if (err) {
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 8fda331c..207b5ad 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -272,6 +272,7 @@
 	u32 prod;
 	u32 cons;
 	u32 buf_size;
+	u8  fcs_del;
 	void *buf;
 	void *rx_info;
 	unsigned long bytes;
diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 1dca570..1c61d36 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -609,7 +609,7 @@
 };
 
 static const struct nv_ethtool_str nv_estats_str[] = {
-	{ "tx_bytes" },
+	{ "tx_bytes" }, /* includes Ethernet FCS CRC */
 	{ "tx_zero_rexmt" },
 	{ "tx_one_rexmt" },
 	{ "tx_many_rexmt" },
@@ -637,7 +637,7 @@
 	/* version 2 stats */
 	{ "tx_deferral" },
 	{ "tx_packets" },
-	{ "rx_bytes" },
+	{ "rx_bytes" }, /* includes Ethernet FCS CRC */
 	{ "tx_pause" },
 	{ "rx_pause" },
 	{ "rx_drop_frame" },
@@ -649,7 +649,7 @@
 };
 
 struct nv_ethtool_stats {
-	u64 tx_bytes;
+	u64 tx_bytes; /* should be ifconfig->tx_bytes + 4*tx_packets */
 	u64 tx_zero_rexmt;
 	u64 tx_one_rexmt;
 	u64 tx_many_rexmt;
@@ -670,14 +670,14 @@
 	u64 rx_unicast;
 	u64 rx_multicast;
 	u64 rx_broadcast;
-	u64 rx_packets;
+	u64 rx_packets; /* should be ifconfig->rx_packets */
 	u64 rx_errors_total;
 	u64 tx_errors_total;
 
 	/* version 2 stats */
 	u64 tx_deferral;
-	u64 tx_packets;
-	u64 rx_bytes;
+	u64 tx_packets; /* should be ifconfig->tx_packets */
+	u64 rx_bytes;   /* should be ifconfig->rx_bytes + 4*rx_packets */
 	u64 tx_pause;
 	u64 rx_pause;
 	u64 rx_drop_frame;
@@ -1706,10 +1706,17 @@
 	if (np->driver_data & (DEV_HAS_STATISTICS_V1|DEV_HAS_STATISTICS_V2|DEV_HAS_STATISTICS_V3)) {
 		nv_get_hw_stats(dev);
 
+		/*
+		 * Note: because HW stats are not always available and
+		 * for consistency reasons, the following ifconfig
+		 * stats are managed by software: rx_bytes, tx_bytes,
+		 * rx_packets and tx_packets. The related hardware
+		 * stats reported by ethtool should be equivalent to
+		 * these ifconfig stats, with 4 additional bytes per
+		 * packet (Ethernet FCS CRC).
+		 */
+
 		/* copy to net_device stats */
-		dev->stats.tx_packets = np->estats.tx_packets;
-		dev->stats.rx_bytes = np->estats.rx_bytes;
-		dev->stats.tx_bytes = np->estats.tx_bytes;
 		dev->stats.tx_fifo_errors = np->estats.tx_fifo_errors;
 		dev->stats.tx_carrier_errors = np->estats.tx_carrier_errors;
 		dev->stats.rx_crc_errors = np->estats.rx_crc_errors;
@@ -2380,6 +2387,9 @@
 				if (flags & NV_TX_ERROR) {
 					if ((flags & NV_TX_RETRYERROR) && !(flags & NV_TX_RETRYCOUNT_MASK))
 						nv_legacybackoff_reseed(dev);
+				} else {
+					dev->stats.tx_packets++;
+					dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
 				}
 				dev_kfree_skb_any(np->get_tx_ctx->skb);
 				np->get_tx_ctx->skb = NULL;
@@ -2390,6 +2400,9 @@
 				if (flags & NV_TX2_ERROR) {
 					if ((flags & NV_TX2_RETRYERROR) && !(flags & NV_TX2_RETRYCOUNT_MASK))
 						nv_legacybackoff_reseed(dev);
+				} else {
+					dev->stats.tx_packets++;
+					dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
 				}
 				dev_kfree_skb_any(np->get_tx_ctx->skb);
 				np->get_tx_ctx->skb = NULL;
@@ -2429,6 +2442,9 @@
 					else
 						nv_legacybackoff_reseed(dev);
 				}
+			} else {
+				dev->stats.tx_packets++;
+				dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
 			}
 
 			dev_kfree_skb_any(np->get_tx_ctx->skb);
@@ -2678,6 +2694,7 @@
 		skb->protocol = eth_type_trans(skb, dev);
 		napi_gro_receive(&np->napi, skb);
 		dev->stats.rx_packets++;
+		dev->stats.rx_bytes += len;
 next_pkt:
 		if (unlikely(np->get_rx.orig++ == np->last_rx.orig))
 			np->get_rx.orig = np->first_rx.orig;
@@ -2761,6 +2778,7 @@
 			}
 			napi_gro_receive(&np->napi, skb);
 			dev->stats.rx_packets++;
+			dev->stats.rx_bytes += len;
 		} else {
 			dev_kfree_skb(skb);
 		}
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
index 9c075ea..9cb5f91 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
@@ -18,8 +18,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
  */
 
-#include <linux/module.h>	/* for __MODULE_STRING */
 #include "pch_gbe.h"
+#include <linux/module.h>	/* for __MODULE_STRING */
 
 #define OPTION_UNSET   -1
 #define OPTION_DISABLED 0
diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c
index 1fc01ca..4bf68cf 100644
--- a/drivers/net/ethernet/rdc/r6040.c
+++ b/drivers/net/ethernet/rdc/r6040.c
@@ -940,7 +940,7 @@
 	iowrite16(lp->mcr0, ioaddr + MCR0);
 
 	/* Fill the MAC hash tables with their values */
-	if (lp->mcr0 && MCR0_HASH_EN) {
+	if (lp->mcr0 & MCR0_HASH_EN) {
 		iowrite16(hash_table[0], ioaddr + MAR0);
 		iowrite16(hash_table[1], ioaddr + MAR1);
 		iowrite16(hash_table[2], ioaddr + MAR2);
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 92b45f0..6f06aa1 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1292,7 +1292,7 @@
 		netif_carrier_off(dev);
 		netif_info(tp, ifdown, dev, "link down\n");
 		if (pm)
-			pm_schedule_suspend(&tp->pci_dev->dev, 100);
+			pm_schedule_suspend(&tp->pci_dev->dev, 5000);
 	}
 	spin_unlock_irqrestore(&tp->lock, flags);
 }
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index d2be42a..8843071 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -1937,6 +1937,7 @@
 {
 	struct smsc911x_data *pdata = netdev_priv(dev);
 	unsigned int byte_test;
+	unsigned int to = 100;
 
 	SMSC_TRACE(pdata, probe, "Driver Parameters:");
 	SMSC_TRACE(pdata, probe, "LAN base: 0x%08lX",
@@ -1952,6 +1953,17 @@
 		return -ENODEV;
 	}
 
+	/*
+	 * poll the READY bit in PMT_CTRL. Any other access to the device is
+	 * forbidden while this bit isn't set. Try for 100ms
+	 */
+	while (!(smsc911x_reg_read(pdata, PMT_CTRL) & PMT_CTRL_READY_) && --to)
+		udelay(1000);
+	if (to == 0) {
+		pr_err("Device not READY in 100ms aborting\n");
+		return -ENODEV;
+	}
+
 	/* Check byte ordering */
 	byte_test = smsc911x_reg_read(pdata, BYTE_TEST);
 	SMSC_TRACE(pdata, probe, "BYTE_TEST: 0x%08X", byte_test);
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
index da66ac5..4d5402a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
@@ -39,10 +39,11 @@
 	/* DMA SW reset */
 	value |= DMA_BUS_MODE_SFT_RESET;
 	writel(value, ioaddr + DMA_BUS_MODE);
-	limit = 15000;
+	limit = 10;
 	while (limit--) {
 		if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET))
 			break;
+		mdelay(10);
 	}
 	if (limit < 0)
 		return -EBUSY;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
index 627f656..bc17fd0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
@@ -41,10 +41,11 @@
 	/* DMA SW reset */
 	value |= DMA_BUS_MODE_SFT_RESET;
 	writel(value, ioaddr + DMA_BUS_MODE);
-	limit = 15000;
+	limit = 10;
 	while (limit--) {
 		if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET))
 			break;
+		mdelay(10);
 	}
 	if (limit < 0)
 		return -EBUSY;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index 9bafa6c..a140a8f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -72,7 +72,6 @@
 	spinlock_t lock;
 	spinlock_t tx_lock;
 	int wolopts;
-	int wolenabled;
 	int wol_irq;
 #ifdef CONFIG_STMMAC_TIMER
 	struct stmmac_timer *tm;
@@ -80,6 +79,7 @@
 	struct plat_stmmacenet_data *plat;
 	struct stmmac_counters mmc;
 	struct dma_features dma_cap;
+	int hw_cap_support;
 };
 
 extern int stmmac_mdio_unregister(struct net_device *ndev);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index e8eff09..0395f9e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -430,6 +430,12 @@
 	struct stmmac_priv *priv = netdev_priv(dev);
 	u32 support = WAKE_MAGIC | WAKE_UCAST;
 
+	/* By default almost all GMAC devices support the WoL via
+	 * magic frame but we can disable it if the HW capability
+	 * register shows no support for pmt_magic_frame. */
+	if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
+		wol->wolopts &= ~WAKE_MAGIC;
+
 	if (!device_can_wakeup(priv->device))
 		return -EINVAL;
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 20546bb..8ea770a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -321,12 +321,10 @@
 	}
 
 	/* Stop Advertising 1000BASE Capability if interface is not GMII */
-	if ((interface) && ((interface == PHY_INTERFACE_MODE_MII) ||
-	    (interface == PHY_INTERFACE_MODE_RMII))) {
-		phydev->supported &= (PHY_BASIC_FEATURES | SUPPORTED_Pause |
-				      SUPPORTED_Asym_Pause);
-		phydev->advertising = phydev->supported;
-	}
+	if ((interface == PHY_INTERFACE_MODE_MII) ||
+	    (interface == PHY_INTERFACE_MODE_RMII))
+		phydev->advertising &= ~(SUPPORTED_1000baseT_Half |
+					 SUPPORTED_1000baseT_Full);
 
 	/*
 	 * Broken HW is sometimes missing the pull-up resistor on the
@@ -807,8 +805,29 @@
 	return 0;
 }
 
-/* New GMAC chips support a new register to indicate the
- * presence of the optional feature/functions.
+/**
+ * stmmac_selec_desc_mode
+ * @dev : device pointer
+ * Description: select the Enhanced/Alternate or Normal descriptors */
+static void stmmac_selec_desc_mode(struct stmmac_priv *priv)
+{
+	if (priv->plat->enh_desc) {
+		pr_info(" Enhanced/Alternate descriptors\n");
+		priv->hw->desc = &enh_desc_ops;
+	} else {
+		pr_info(" Normal descriptors\n");
+		priv->hw->desc = &ndesc_ops;
+	}
+}
+
+/**
+ * stmmac_get_hw_features
+ * @priv : private device pointer
+ * Description:
+ *  new GMAC chip generations have a new register to indicate the
+ *  presence of the optional feature/functions.
+ *  This can be also used to override the value passed through the
+ *  platform and necessary for old MAC10/100 and GMAC chips.
  */
 static int stmmac_get_hw_features(struct stmmac_priv *priv)
 {
@@ -829,7 +848,7 @@
 			(hw_cap & DMA_HW_FEAT_RWKSEL) >> 9;
 		priv->dma_cap.pmt_magic_frame =
 			(hw_cap & DMA_HW_FEAT_MGKSEL) >> 10;
-		/*MMC*/
+		/* MMC */
 		priv->dma_cap.rmon = (hw_cap & DMA_HW_FEAT_MMCSEL) >> 11;
 		/* IEEE 1588-2002*/
 		priv->dma_cap.time_stamp =
@@ -857,8 +876,7 @@
 		priv->dma_cap.enh_desc =
 			(hw_cap & DMA_HW_FEAT_ENHDESSEL) >> 24;
 
-	} else
-		pr_debug("\tNo HW DMA feature register supported");
+	}
 
 	return hw_cap;
 }
@@ -913,6 +931,44 @@
 		goto open_error;
 	}
 
+	stmmac_get_synopsys_id(priv);
+
+	priv->hw_cap_support = stmmac_get_hw_features(priv);
+
+	if (priv->hw_cap_support) {
+		pr_info(" Support DMA HW capability register");
+
+		/* We can override some gmac/dma configuration fields: e.g.
+		 * enh_desc, tx_coe (e.g. that are passed through the
+		 * platform) with the values from the HW capability
+		 * register (if supported).
+		 */
+		priv->plat->enh_desc = priv->dma_cap.enh_desc;
+		priv->plat->tx_coe = priv->dma_cap.tx_coe;
+		priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up;
+
+		/* By default disable wol on magic frame if not supported */
+		if (!priv->dma_cap.pmt_magic_frame)
+			priv->wolopts &= ~WAKE_MAGIC;
+
+	} else
+		pr_info(" No HW DMA feature register supported");
+
+	/* Select the enhnaced/normal descriptor structures */
+	stmmac_selec_desc_mode(priv);
+
+	/* PMT module is not integrated in all the MAC devices. */
+	if (priv->plat->pmt) {
+		pr_info(" Remote wake-up capable\n");
+		device_set_wakeup_capable(priv->device, 1);
+	}
+
+	priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
+	if (priv->rx_coe)
+		pr_info(" Checksum Offload Engine supported\n");
+	if (priv->plat->tx_coe)
+		pr_info(" Checksum insertion supported\n");
+
 	/* Create and initialize the TX/RX descriptors chains. */
 	priv->dma_tx_size = STMMAC_ALIGN(dma_txsize);
 	priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize);
@@ -935,15 +991,6 @@
 	/* Initialize the MAC Core */
 	priv->hw->mac->core_init(priv->ioaddr);
 
-	stmmac_get_synopsys_id(priv);
-
-	stmmac_get_hw_features(priv);
-
-	priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
-	if (priv->rx_coe)
-		pr_info("stmmac: Rx Checksum Offload Engine supported\n");
-	if (priv->plat->tx_coe)
-		pr_info("\tTX Checksum insertion supported\n");
 	netdev_update_features(dev);
 
 	/* Request the IRQ lines */
@@ -1489,9 +1536,7 @@
 	if (!priv->phydev)
 		return -EINVAL;
 
-	spin_lock(&priv->lock);
 	ret = phy_mii_ioctl(priv->phydev, rq, cmd);
-	spin_unlock(&priv->lock);
 
 	return ret;
 }
@@ -1558,7 +1603,7 @@
 	struct net_device *dev = seq->private;
 	struct stmmac_priv *priv = netdev_priv(dev);
 
-	if (!stmmac_get_hw_features(priv)) {
+	if (!priv->hw_cap_support) {
 		seq_printf(seq, "DMA HW features not supported\n");
 		return 0;
 	}
@@ -1766,12 +1811,6 @@
 	if (!device)
 		return -ENOMEM;
 
-	if (priv->plat->enh_desc) {
-		device->desc = &enh_desc_ops;
-		pr_info("\tEnhanced descriptor structure\n");
-	} else
-		device->desc = &ndesc_ops;
-
 	priv->hw = device;
 	priv->hw->ring = &ring_mode_ops;
 
@@ -1845,11 +1884,6 @@
 
 	priv->ioaddr = addr;
 
-	/* PMT module is not integrated in all the MAC devices. */
-	if (plat_dat->pmt) {
-		pr_info("\tPMT module supported\n");
-		device_set_wakeup_capable(&pdev->dev, 1);
-	}
 	/*
 	 * On some platforms e.g. SPEAr the wake up irq differs from the mac irq
 	 * The external wake up irq can be passed through the platform code
@@ -1862,7 +1896,6 @@
 	if (priv->wol_irq == -ENXIO)
 		priv->wol_irq = ndev->irq;
 
-
 	platform_set_drvdata(pdev, ndev);
 
 	/* Set the I/O base addr */
@@ -1875,7 +1908,7 @@
 			goto out_free_ndev;
 	}
 
-	/* MAC HW revice detection */
+	/* MAC HW device detection */
 	ret = stmmac_mac_device_setup(ndev);
 	if (ret < 0)
 		goto out_plat_exit;
@@ -1978,12 +2011,13 @@
 	if (!ndev || !netif_running(ndev))
 		return 0;
 
+	if (priv->phydev)
+		phy_stop(priv->phydev);
+
 	spin_lock(&priv->lock);
 
 	netif_device_detach(ndev);
 	netif_stop_queue(ndev);
-	if (priv->phydev)
-		phy_stop(priv->phydev);
 
 #ifdef CONFIG_STMMAC_TIMER
 	priv->tm->timer_stop();
@@ -2041,12 +2075,13 @@
 #endif
 	napi_enable(&priv->napi);
 
-	if (priv->phydev)
-		phy_start(priv->phydev);
-
 	netif_start_queue(ndev);
 
 	spin_unlock(&priv->lock);
+
+	if (priv->phydev)
+		phy_start(priv->phydev);
+
 	return 0;
 }
 
diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c
index c517dac..cf14ab9 100644
--- a/drivers/net/ethernet/sun/sunhme.c
+++ b/drivers/net/ethernet/sun/sunhme.c
@@ -2637,7 +2637,7 @@
 	sbus_dp = op->dev.parent->of_node;
 
 	/* We can match PCI devices too, do not accept those here. */
-	if (strcmp(sbus_dp->name, "sbus"))
+	if (strcmp(sbus_dp->name, "sbus") && strcmp(sbus_dp->name, "sbi"))
 		return err;
 
 	if (is_qfe) {
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index caf3659..2681b53 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -114,6 +114,7 @@
 		return;
 	temac_iow(lp, XTE_LSW0_OFFSET, value);
 	temac_iow(lp, XTE_CTL0_OFFSET, CNTLREG_WRITE_ENABLE_MASK | reg);
+	temac_indirect_busywait(lp);
 }
 
 /**
@@ -203,6 +204,9 @@
 	struct temac_local *lp = netdev_priv(ndev);
 	int i;
 
+	/* Reset Local Link (DMA) */
+	lp->dma_out(lp, DMA_CONTROL_REG, DMA_CONTROL_RST);
+
 	for (i = 0; i < RX_BD_NUM; i++) {
 		if (!lp->rx_skb[i])
 			break;
@@ -860,6 +864,8 @@
 		phy_start(lp->phy_dev);
 	}
 
+	temac_device_reset(ndev);
+
 	rc = request_irq(lp->tx_irq, ll_temac_tx_irq, 0, ndev->name, ndev);
 	if (rc)
 		goto err_tx_irq;
@@ -867,7 +873,6 @@
 	if (rc)
 		goto err_rx_irq;
 
-	temac_device_reset(ndev);
 	return 0;
 
  err_rx_irq:
diff --git a/drivers/net/hippi/Kconfig b/drivers/net/hippi/Kconfig
index 7393eb7..95eb34f 100644
--- a/drivers/net/hippi/Kconfig
+++ b/drivers/net/hippi/Kconfig
@@ -36,4 +36,4 @@
 	  kernel code or by user space programs. Say Y here only if you have
 	  the memory.
 
-endif /* HIPPI */
+endif # HIPPI
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index e81e22e..e6fed4d 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -36,7 +36,7 @@
 #include <linux/usb/usbnet.h>
 #include <linux/slab.h>
 
-#define DRIVER_VERSION "26-Sep-2011"
+#define DRIVER_VERSION "08-Nov-2011"
 #define DRIVER_NAME "asix"
 
 /* ASIX AX8817X based USB 2.0 Ethernet Devices */
@@ -163,7 +163,7 @@
 #define MARVELL_CTRL_TXDELAY	0x0002
 #define MARVELL_CTRL_RXDELAY	0x0080
 
-#define	PHY_MODE_RTL8211CL	0x0004
+#define	PHY_MODE_RTL8211CL	0x000C
 
 /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
 struct asix_data {
@@ -652,9 +652,17 @@
 {
 	int phy_reg;
 	u32 phy_id;
+	int i;
 
-	phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
-	if (phy_reg < 0)
+	/* Poll for the rare case the FW or phy isn't ready yet.  */
+	for (i = 0; i < 100; i++) {
+		phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
+		if (phy_reg != 0 && phy_reg != 0xFFFF)
+			break;
+		mdelay(1);
+	}
+
+	if (phy_reg <= 0 || phy_reg == 0xFFFF)
 		return 0;
 
 	phy_id = (phy_reg & 0xffff) << 16;
@@ -1075,7 +1083,7 @@
 
 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
 {
-	int ret;
+	int ret, embd_phy;
 	struct asix_data *data = (struct asix_data *)&dev->data;
 	u8 buf[ETH_ALEN];
 	u32 phyid;
@@ -1100,16 +1108,36 @@
 	dev->mii.reg_num_mask = 0x1f;
 	dev->mii.phy_id = asix_get_phy_addr(dev);
 
-	phyid = asix_get_phyid(dev);
-	dbg("PHYID=0x%08x", phyid);
-
 	dev->net->netdev_ops = &ax88772_netdev_ops;
 	dev->net->ethtool_ops = &ax88772_ethtool_ops;
 
-	ret = ax88772_reset(dev);
+	embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
+
+	/* Reset the PHY to normal operation mode */
+	ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
+	if (ret < 0) {
+		dbg("Select PHY #1 failed: %d", ret);
+		return ret;
+	}
+
+	ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
 	if (ret < 0)
 		return ret;
 
+	msleep(150);
+
+	ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
+	if (ret < 0)
+		return ret;
+
+	msleep(150);
+
+	ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE);
+
+	/* Read PHYID register *AFTER* the PHY was reset properly */
+	phyid = asix_get_phyid(dev);
+	dbg("PHYID=0x%08x", phyid);
+
 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
 		/* hard_mtu  is still the default - the device does not support
@@ -1220,6 +1248,7 @@
 	__le16 eeprom;
 	u8 status;
 	int gpio0 = 0;
+	u32 phyid;
 
 	asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
 	dbg("GPIO Status: 0x%04x", status);
@@ -1235,12 +1264,13 @@
 		data->ledmode = 0;
 		gpio0 = 1;
 	} else {
-		data->phymode = le16_to_cpu(eeprom) & 7;
+		data->phymode = le16_to_cpu(eeprom) & 0x7F;
 		data->ledmode = le16_to_cpu(eeprom) >> 8;
 		gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
 	}
 	dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode);
 
+	/* Power up external GigaPHY through AX88178 GPIO pin */
 	asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
 	if ((le16_to_cpu(eeprom) >> 8) != 1) {
 		asix_write_gpio(dev, 0x003c, 30);
@@ -1252,6 +1282,13 @@
 		asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
 	}
 
+	/* Read PHYID register *AFTER* powering up PHY */
+	phyid = asix_get_phyid(dev);
+	dbg("PHYID=0x%08x", phyid);
+
+	/* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
+	asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
+
 	asix_sw_reset(dev, 0);
 	msleep(150);
 
@@ -1396,7 +1433,6 @@
 {
 	int ret;
 	u8 buf[ETH_ALEN];
-	u32 phyid;
 	struct asix_data *data = (struct asix_data *)&dev->data;
 
 	data->eeprom_len = AX88772_EEPROM_LEN;
@@ -1423,12 +1459,12 @@
 	dev->net->netdev_ops = &ax88178_netdev_ops;
 	dev->net->ethtool_ops = &ax88178_ethtool_ops;
 
-	phyid = asix_get_phyid(dev);
-	dbg("PHYID=0x%08x", phyid);
+	/* Blink LEDS so users know driver saw dongle */
+	asix_sw_reset(dev, 0);
+	msleep(150);
 
-	ret = ax88178_reset(dev);
-	if (ret < 0)
-		return ret;
+	asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
+	msleep(150);
 
 	/* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
 	if (dev->driver_info->flags & FLAG_FRAMING_AX) {
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index c924ea2..99ed6eb 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -567,7 +567,7 @@
 {
 	USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,
 			USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
-	.driver_info = (unsigned long)&wwan_info,
+	.driver_info = 0,
 },
 
 /*
diff --git a/drivers/net/usb/lg-vl600.c b/drivers/net/usb/lg-vl600.c
index d43db32..9c26c63 100644
--- a/drivers/net/usb/lg-vl600.c
+++ b/drivers/net/usb/lg-vl600.c
@@ -144,10 +144,11 @@
 	}
 
 	frame = (struct vl600_frame_hdr *) buf->data;
-	/* NOTE: Should check that frame->magic == 0x53544448?
-	 * Otherwise if we receive garbage at the beginning of the frame
-	 * we may end up allocating a huge buffer and saving all the
-	 * future incoming data into it.  */
+	/* Yes, check that frame->magic == 0x53544448 (or 0x44544d48),
+	 * otherwise we may run out of memory w/a bad packet */
+	if (ntohl(frame->magic) != 0x53544448 &&
+			ntohl(frame->magic) != 0x44544d48)
+		goto error;
 
 	if (buf->len < sizeof(*frame) ||
 			buf->len != le32_to_cpup(&frame->len)) {
@@ -296,6 +297,11 @@
 	 * overwrite the remaining fields.
 	 */
 	packet = (struct vl600_pkt_hdr *) skb->data;
+	/* The VL600 wants IPv6 packets to have an IPv4 ethertype
+	 * Since this modem only supports IPv4 and IPv6, just set all
+	 * frames to 0x0800 (ETH_P_IP)
+	 */
+	packet->h_proto = htons(ETH_P_IP);
 	memset(&packet->dummy, 0, sizeof(packet->dummy));
 	packet->len = cpu_to_le32(orig_len);
 
@@ -308,21 +314,12 @@
 	if (skb->len < full_len) /* Pad */
 		skb_put(skb, full_len - skb->len);
 
-	/* The VL600 wants IPv6 packets to have an IPv4 ethertype
-	 * Check if this is an IPv6 packet, and set the ethertype
-	 * to 0x800
-	 */
-	if ((skb->data[sizeof(struct vl600_pkt_hdr *) + 0x22] & 0xf0) == 0x60) {
-		skb->data[sizeof(struct vl600_pkt_hdr *) + 0x20] = 0x08;
-		skb->data[sizeof(struct vl600_pkt_hdr *) + 0x21] = 0;
-	}
-
 	return skb;
 }
 
 static const struct driver_info	vl600_info = {
 	.description	= "LG VL600 modem",
-	.flags		= FLAG_ETHER | FLAG_RX_ASSEMBLE,
+	.flags		= FLAG_RX_ASSEMBLE | FLAG_WWAN,
 	.bind		= vl600_bind,
 	.unbind		= vl600_unbind,
 	.status		= usbnet_cdc_status,
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 22a7cf9..a5b9b12 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -51,6 +51,7 @@
 #define USB_VENDOR_ID_SMSC		(0x0424)
 #define USB_PRODUCT_ID_LAN7500		(0x7500)
 #define USB_PRODUCT_ID_LAN7505		(0x7505)
+#define RXW_PADDING			2
 
 #define check_warn(ret, fmt, args...) \
 	({ if (ret < 0) netdev_warn(dev->net, fmt, ##args); })
@@ -1088,13 +1089,13 @@
 
 		memcpy(&rx_cmd_b, skb->data, sizeof(rx_cmd_b));
 		le32_to_cpus(&rx_cmd_b);
-		skb_pull(skb, 4 + NET_IP_ALIGN);
+		skb_pull(skb, 4 + RXW_PADDING);
 
 		packet = skb->data;
 
 		/* get the packet length */
-		size = (rx_cmd_a & RX_CMD_A_LEN) - NET_IP_ALIGN;
-		align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4;
+		size = (rx_cmd_a & RX_CMD_A_LEN) - RXW_PADDING;
+		align_count = (4 - ((size + RXW_PADDING) % 4)) % 4;
 
 		if (unlikely(rx_cmd_a & RX_CMD_A_RED)) {
 			netif_dbg(dev, rx_err, dev->net,
diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index 85fa9cc..65ecb5b 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -254,6 +254,8 @@
 	int r;
 
 	sband = wiphy->bands[IEEE80211_BAND_2GHZ];
+	if (!sband)
+		return;
 
 	/*
 	 * If no country IE has been received always enable active scan
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 58ea0e5..5f77cbe 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -175,6 +175,7 @@
 	}
 }
 
+/* TODO: verify if needed for SSLPN or LCN  */
 static u16 b43_generate_tx_phy_ctl1(struct b43_wldev *dev, u8 bitrate)
 {
 	const struct b43_phy *phy = &dev->phy;
@@ -256,6 +257,9 @@
 	unsigned int plcp_fragment_len;
 	u32 mac_ctl = 0;
 	u16 phy_ctl = 0;
+	bool fill_phy_ctl1 = (phy->type == B43_PHYTYPE_LP ||
+			      phy->type == B43_PHYTYPE_N ||
+			      phy->type == B43_PHYTYPE_HT);
 	u8 extra_ft = 0;
 	struct ieee80211_rate *txrate;
 	struct ieee80211_tx_rate *rates;
@@ -531,7 +535,7 @@
 			extra_ft |= B43_TXH_EFT_RTSFB_CCK;
 
 		if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS &&
-		    phy->type == B43_PHYTYPE_N) {
+		    fill_phy_ctl1) {
 			txhdr->phy_ctl1_rts = cpu_to_le16(
 				b43_generate_tx_phy_ctl1(dev, rts_rate));
 			txhdr->phy_ctl1_rts_fb = cpu_to_le16(
@@ -552,7 +556,7 @@
 		break;
 	}
 
-	if (phy->type == B43_PHYTYPE_N) {
+	if (fill_phy_ctl1) {
 		txhdr->phy_ctl1 =
 			cpu_to_le16(b43_generate_tx_phy_ctl1(dev, rate));
 		txhdr->phy_ctl1_fb =
@@ -736,7 +740,14 @@
 
 	/* Link quality statistics */
 	switch (chanstat & B43_RX_CHAN_PHYTYPE) {
+	case B43_PHYTYPE_HT:
+		/* TODO: is max the right choice? */
+		status.signal = max_t(__s8,
+			max(rxhdr->phy_ht_power0, rxhdr->phy_ht_power1),
+			rxhdr->phy_ht_power2);
+		break;
 	case B43_PHYTYPE_N:
+		/* Broadcom has code for min and avg, but always uses max */
 		if (rxhdr->power0 == 16 || rxhdr->power0 == 32)
 			status.signal = max(rxhdr->power1, rxhdr->power2);
 		else
diff --git a/drivers/net/wireless/b43/xmit.h b/drivers/net/wireless/b43/xmit.h
index 16c514d..98d9074 100644
--- a/drivers/net/wireless/b43/xmit.h
+++ b/drivers/net/wireless/b43/xmit.h
@@ -249,6 +249,12 @@
 		} __packed;
 	} __packed;
 	union {
+		/* HT-PHY */
+		struct {
+			PAD_BYTES(1);
+			__s8 phy_ht_power0;
+		} __packed;
+
 		/* RSSI for N-PHYs */
 		struct {
 			__s8 power2;
@@ -257,7 +263,15 @@
 
 		__le16 phy_status2;	/* PHY RX Status 2 */
 	} __packed;
-	__le16 phy_status3;	/* PHY RX Status 3 */
+	union {
+		/* HT-PHY */
+		struct {
+			__s8 phy_ht_power1;
+			__s8 phy_ht_power2;
+		} __packed;
+
+		__le16 phy_status3;	/* PHY RX Status 3 */
+	} __packed;
 	union {
 		/* Tested with 598.314, 644.1001 and 666.2 */
 		struct {
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
index b56a302..6ebec8f 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c
@@ -358,13 +358,14 @@
 
 static uint _dma_ctrlflags(struct dma_info *di, uint mask, uint flags)
 {
-	uint dmactrlflags = di->dma.dmactrlflags;
+	uint dmactrlflags;
 
 	if (di == NULL) {
-		DMA_ERROR(("%s: _dma_ctrlflags: NULL dma handle\n", di->name));
+		DMA_ERROR(("_dma_ctrlflags: NULL dma handle\n"));
 		return 0;
 	}
 
+	dmactrlflags = di->dma.dmactrlflags;
 	dmactrlflags &= ~mask;
 	dmactrlflags |= flags;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index da34110..ce91898 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -990,29 +990,16 @@
 	return 0;
 }
 
-static void iwl_trans_pcie_disable_sync_irq(struct iwl_trans *trans)
+static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
 {
 	unsigned long flags;
-	struct iwl_trans_pcie *trans_pcie =
-		IWL_TRANS_GET_PCIE_TRANS(trans);
+	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 
+	/* tell the device to stop sending interrupts */
 	spin_lock_irqsave(&trans->shrd->lock, flags);
 	iwl_disable_interrupts(trans);
 	spin_unlock_irqrestore(&trans->shrd->lock, flags);
 
-	/* wait to make sure we flush pending tasklet*/
-	synchronize_irq(bus(trans)->irq);
-	tasklet_kill(&trans_pcie->irq_tasklet);
-}
-
-static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
-{
-	/* stop and reset the on-board processor */
-	iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
-
-	/* tell the device to stop sending interrupts */
-	iwl_trans_pcie_disable_sync_irq(trans);
-
 	/* device going down, Stop using ICT table */
 	iwl_disable_ict(trans);
 
@@ -1039,6 +1026,20 @@
 
 	/* Stop the device, and put it in low power state */
 	iwl_apm_stop(priv(trans));
+
+	/* Upon stop, the APM issues an interrupt if HW RF kill is set.
+	 * Clean again the interrupt here
+	 */
+	spin_lock_irqsave(&trans->shrd->lock, flags);
+	iwl_disable_interrupts(trans);
+	spin_unlock_irqrestore(&trans->shrd->lock, flags);
+
+	/* wait to make sure we flush pending tasklet*/
+	synchronize_irq(bus(trans)->irq);
+	tasklet_kill(&trans_pcie->irq_tasklet);
+
+	/* stop and reset the on-board processor */
+	iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
 }
 
 static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index 4fcd653..a7f1ab2 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -634,7 +634,7 @@
 			if (channel &&
 			    !(channel->flags & IEEE80211_CHAN_DISABLED))
 				cfg80211_inform_bss(wiphy, channel,
-					bssid, le64_to_cpu(*(__le64 *)tsfdesc),
+					bssid, get_unaligned_le64(tsfdesc),
 					capa, intvl, ie, ielen,
 					LBS_SCAN_RSSI_TO_MBM(rssi),
 					GFP_KERNEL);
diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
index 11b69b3..728baa4 100644
--- a/drivers/net/wireless/libertas/if_spi.c
+++ b/drivers/net/wireless/libertas/if_spi.c
@@ -995,6 +995,7 @@
 		spin_unlock_irqrestore(&card->buffer_lock, flags);
 		break;
 	default:
+		kfree(packet);
 		netdev_err(priv->dev, "can't transfer buffer of type %d\n",
 			   type);
 		err = -EINVAL;
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index dae8dbb..8d3ab37 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -819,8 +819,10 @@
 			wildcard_ssid_tlv->header.len = cpu_to_le16(
 				(u16) (ssid_len + sizeof(wildcard_ssid_tlv->
 							 max_ssid_length)));
-			wildcard_ssid_tlv->max_ssid_length =
-				user_scan_in->ssid_list[ssid_idx].max_len;
+
+			/* max_ssid_length = 0 tells firmware to perform
+			   specific scan for the SSID filled */
+			wildcard_ssid_tlv->max_ssid_length = 0;
 
 			memcpy(wildcard_ssid_tlv->ssid,
 			       user_scan_in->ssid_list[ssid_idx].ssid,
@@ -1469,7 +1471,7 @@
 			       s32 rssi, const u8 *ie_buf, size_t ie_len,
 			       u16 beacon_period, u16 cap_info_bitmap, u8 band)
 {
-	struct mwifiex_bssdescriptor *bss_desc = NULL;
+	struct mwifiex_bssdescriptor *bss_desc;
 	int ret;
 	unsigned long flags;
 	u8 *beacon_ie;
@@ -1484,6 +1486,7 @@
 
 	beacon_ie = kmemdup(ie_buf, ie_len, GFP_KERNEL);
 	if (!beacon_ie) {
+		kfree(bss_desc);
 		dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
 		return -ENOMEM;
 	}
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index f156579..3778763 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -919,6 +919,7 @@
 	{ USB_DEVICE(0x050d, 0x935b) },
 	/* Buffalo */
 	{ USB_DEVICE(0x0411, 0x00e8) },
+	{ USB_DEVICE(0x0411, 0x0158) },
 	{ USB_DEVICE(0x0411, 0x016f) },
 	{ USB_DEVICE(0x0411, 0x01a2) },
 	/* Corega */
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 2ec5c00..99ff12d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -943,6 +943,7 @@
 	 * Powersaving work
 	 */
 	struct delayed_work autowakeup_work;
+	struct work_struct sleep_work;
 
 	/*
 	 * Data queue arrays for RX, TX, Beacon and ATIM.
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index e1fb2a8..edd317f 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -465,6 +465,23 @@
 	return NULL;
 }
 
+static void rt2x00lib_sleep(struct work_struct *work)
+{
+	struct rt2x00_dev *rt2x00dev =
+	    container_of(work, struct rt2x00_dev, sleep_work);
+
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+		return;
+
+	/*
+	 * Check again is powersaving is enabled, to prevent races from delayed
+	 * work execution.
+	 */
+	if (!test_bit(CONFIG_POWERSAVING, &rt2x00dev->flags))
+		rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf,
+				 IEEE80211_CONF_CHANGE_PS);
+}
+
 static void rt2x00lib_rxdone_check_ps(struct rt2x00_dev *rt2x00dev,
 				      struct sk_buff *skb,
 				      struct rxdone_entry_desc *rxdesc)
@@ -512,8 +529,7 @@
 	cam |= (tim_ie->bitmap_ctrl & 0x01);
 
 	if (!cam && !test_bit(CONFIG_POWERSAVING, &rt2x00dev->flags))
-		rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf,
-				 IEEE80211_CONF_CHANGE_PS);
+		queue_work(rt2x00dev->workqueue, &rt2x00dev->sleep_work);
 }
 
 static int rt2x00lib_rxdone_read_signal(struct rt2x00_dev *rt2x00dev,
@@ -1141,6 +1157,7 @@
 
 	INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled);
 	INIT_DELAYED_WORK(&rt2x00dev->autowakeup_work, rt2x00lib_autowakeup);
+	INIT_WORK(&rt2x00dev->sleep_work, rt2x00lib_sleep);
 
 	/*
 	 * Let the driver probe the device to detect the capabilities.
@@ -1197,6 +1214,7 @@
 	 */
 	cancel_work_sync(&rt2x00dev->intf_work);
 	cancel_delayed_work_sync(&rt2x00dev->autowakeup_work);
+	cancel_work_sync(&rt2x00dev->sleep_work);
 	if (rt2x00_is_usb(rt2x00dev)) {
 		del_timer_sync(&rt2x00dev->txstatus_timer);
 		cancel_work_sync(&rt2x00dev->rxdone_work);
diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index 128ccb7..fc29c67 100644
--- a/drivers/net/wireless/wl12xx/scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -559,7 +559,7 @@
 						break;
 					}
 				/* Fail if SSID isn't present in the filters */
-				if (j == req->n_ssids) {
+				if (j == cmd->n_ssids) {
 					ret = -EINVAL;
 					goto out_free;
 				}
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 6d3dd39..791270b 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -60,27 +60,27 @@
  */
 struct device_node *of_irq_find_parent(struct device_node *child)
 {
-	struct device_node *p, *c = child;
+	struct device_node *p;
 	const __be32 *parp;
 
-	if (!of_node_get(c))
+	if (!of_node_get(child))
 		return NULL;
 
 	do {
-		parp = of_get_property(c, "interrupt-parent", NULL);
+		parp = of_get_property(child, "interrupt-parent", NULL);
 		if (parp == NULL)
-			p = of_get_parent(c);
+			p = of_get_parent(child);
 		else {
 			if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
 				p = of_node_get(of_irq_dflt_pic);
 			else
 				p = of_find_node_by_phandle(be32_to_cpup(parp));
 		}
-		of_node_put(c);
-		c = p;
+		of_node_put(child);
+		child = p;
 	} while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL);
 
-	return (p == child) ? NULL : p;
+	return p;
 }
 
 /**
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index b6f9749..f02b523 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -76,6 +76,7 @@
 
 config PCI_PRI
 	bool "PCI PRI support"
+	depends on PCI
 	select PCI_ATS
 	help
 	  PRI is the PCI Page Request Interface. It allows PCI devices that are
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 596172b..fce1c54 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -459,8 +459,17 @@
 {
 	acpi_status status;
 	unsigned long long tmp;
+	struct acpi_pci_root *root;
 	acpi_handle dummy_handle;
 
+	/*
+	 * We shouldn't use this bridge if PCIe native hotplug control has been
+	 * granted by the BIOS for it.
+	 */
+	root = acpi_pci_find_root(handle);
+	if (root && (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
+		return -ENODEV;
+
 	/* if the bridge doesn't have _STA, we assume it is always there */
 	status = acpi_get_handle(handle, "_STA", &dummy_handle);
 	if (ACPI_SUCCESS(status)) {
@@ -1376,13 +1385,23 @@
 static acpi_status
 find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
+	struct acpi_pci_root *root;
 	int *count = (int *)context;
 
-	if (acpi_is_root_bridge(handle)) {
-		acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
-				handle_hotplug_event_bridge, NULL);
-			(*count)++;
-	}
+	if (!acpi_is_root_bridge(handle))
+		return AE_OK;
+
+	root = acpi_pci_find_root(handle);
+	if (!root)
+		return AE_OK;
+
+	if (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)
+		return AE_OK;
+
+	(*count)++;
+	acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
+				    handle_hotplug_event_bridge, NULL);
+
 	return AE_OK ;
 }
 
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 1e9c9aa..085dbb5 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -213,9 +213,6 @@
 		goto err_exit;
 	}
 
-	/* Wait for 1 second after checking link training status */
-	msleep(1000);
-
 	/* Check for a power fault */
 	if (ctrl->power_fault_detected || pciehp_query_power_fault(p_slot)) {
 		ctrl_err(ctrl, "Power fault on slot %s\n", slot_name(p_slot));
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 96dc473..7b14148 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -280,6 +280,14 @@
         else
                 msleep(1000);
 
+	/*
+	 * Need to wait for 1000 ms after Data Link Layer Link Active
+	 * (DLLLA) bit reads 1b before sending configuration request.
+	 * We need it before checking Link Training (LT) bit becuase
+	 * LT is still set even after DLLLA bit is set on some platform.
+	 */
+	msleep(1000);
+
 	retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status);
 	if (retval) {
 		ctrl_err(ctrl, "Cannot read LNKSTATUS register\n");
@@ -294,6 +302,16 @@
 		return retval;
 	}
 
+	/*
+	 * If the port supports Link speeds greater than 5.0 GT/s, we
+	 * must wait for 100 ms after Link training completes before
+	 * sending configuration request.
+	 */
+	if (ctrl->pcie->port->subordinate->max_bus_speed > PCIE_SPEED_5_0GT)
+		msleep(100);
+
+	pcie_update_link_speed(ctrl->pcie->port->subordinate, lnk_status);
+
 	return retval;
 }
 
@@ -484,7 +502,6 @@
 	u16 slot_cmd;
 	u16 cmd_mask;
 	u16 slot_status;
-	u16 lnk_status;
 	int retval = 0;
 
 	/* Clear sticky power-fault bit from previous power failures */
@@ -516,14 +533,6 @@
 	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n", __func__,
 		 pci_pcie_cap(ctrl->pcie->port) + PCI_EXP_SLTCTL, slot_cmd);
 
-	retval = pciehp_readw(ctrl, PCI_EXP_LNKSTA, &lnk_status);
-	if (retval) {
-		ctrl_err(ctrl, "%s: Cannot read LNKSTA register\n",
-				__func__);
-		return retval;
-	}
-	pcie_update_link_speed(ctrl->pcie->port->subordinate, lnk_status);
-
 	return retval;
 }
 
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index aca972b..dd7e0c5 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -278,8 +278,8 @@
 
 static int is_shpc_capable(struct pci_dev *dev)
 {
-	if ((dev->vendor == PCI_VENDOR_ID_AMD) || (dev->device ==
-						PCI_DEVICE_ID_AMD_GOLAM_7450))
+	if (dev->vendor == PCI_VENDOR_ID_AMD &&
+	    dev->device == PCI_DEVICE_ID_AMD_GOLAM_7450)
 		return 1;
 	if (!pci_find_capability(dev, PCI_CAP_ID_SHPC))
 		return 0;
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 36547f0..75ba231 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -944,8 +944,8 @@
 	ctrl->pci_dev = pdev;  /* pci_dev of the P2P bridge */
 	ctrl_dbg(ctrl, "Hotplug Controller:\n");
 
-	if ((pdev->vendor == PCI_VENDOR_ID_AMD) || (pdev->device ==
-				PCI_DEVICE_ID_AMD_GOLAM_7450)) {
+	if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+	    pdev->device == PCI_DEVICE_ID_AMD_GOLAM_7450) {
 		/* amd shpc driver doesn't use Base Offset; assume 0 */
 		ctrl->mmio_base = pci_resource_start(pdev, 0);
 		ctrl->mmio_size = pci_resource_len(pdev, 0);
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index a43cfd9..d93e962 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -589,14 +589,14 @@
 	.update_status  = dell_send_intensity,
 };
 
-static void touchpad_led_on()
+static void touchpad_led_on(void)
 {
 	int command = 0x97;
 	char data = 1;
 	i8042_command(&data, command | 1 << 12);
 }
 
-static void touchpad_led_off()
+static void touchpad_led_off(void)
 {
 	int command = 0x97;
 	char data = 2;
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 66d2d60..b552aae 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -664,10 +664,10 @@
 
 	switch (id) {
 	case TPS65910_REG_VDD1:
-		dcdc_mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+		dcdc_mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
 		if (dcdc_mult == 1)
 			dcdc_mult--;
-		vsel = (selector % VDD1_2_NUM_VOLTS) + 3;
+		vsel = (selector % VDD1_2_NUM_VOLT_FINE) + 3;
 
 		tps65910_modify_bits(pmic, TPS65910_VDD1,
 				(dcdc_mult << VDD1_VGAIN_SEL_SHIFT),
@@ -675,10 +675,10 @@
 		tps65910_reg_write(pmic, TPS65910_VDD1_OP, vsel);
 		break;
 	case TPS65910_REG_VDD2:
-		dcdc_mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+		dcdc_mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
 		if (dcdc_mult == 1)
 			dcdc_mult--;
-		vsel = (selector % VDD1_2_NUM_VOLTS) + 3;
+		vsel = (selector % VDD1_2_NUM_VOLT_FINE) + 3;
 
 		tps65910_modify_bits(pmic, TPS65910_VDD2,
 				(dcdc_mult << VDD2_VGAIN_SEL_SHIFT),
@@ -756,9 +756,9 @@
 	switch (id) {
 	case TPS65910_REG_VDD1:
 	case TPS65910_REG_VDD2:
-		mult = (selector / VDD1_2_NUM_VOLTS) + 1;
+		mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1;
 		volt = VDD1_2_MIN_VOLT +
-				(selector % VDD1_2_NUM_VOLTS) * VDD1_2_OFFSET;
+				(selector % VDD1_2_NUM_VOLT_FINE) * VDD1_2_OFFSET;
 		break;
 	case TPS65911_REG_VDDCTRL:
 		volt = VDDCTRL_MIN_VOLT + (selector * VDDCTRL_OFFSET);
@@ -947,6 +947,8 @@
 
 		if (i == TPS65910_REG_VDD1 || i == TPS65910_REG_VDD2) {
 			pmic->desc[i].ops = &tps65910_ops_dcdc;
+			pmic->desc[i].n_voltages = VDD1_2_NUM_VOLT_FINE *
+							VDD1_2_NUM_VOLT_COARSE;
 		} else if (i == TPS65910_REG_VDD3) {
 			if (tps65910_chip_id(tps65910) == TPS65910)
 				pmic->desc[i].ops = &tps65910_ops_vdd3;
diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c
index b3eba3c..e4b6880 100644
--- a/drivers/rtc/rtc-puv3.c
+++ b/drivers/rtc/rtc-puv3.c
@@ -220,7 +220,7 @@
 	}
 }
 
-static int puv3_rtc_remove(struct platform_device *dev)
+static int __devexit puv3_rtc_remove(struct platform_device *dev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(dev);
 
@@ -236,7 +236,7 @@
 	return 0;
 }
 
-static int puv3_rtc_probe(struct platform_device *pdev)
+static int __devinit puv3_rtc_probe(struct platform_device *pdev)
 {
 	struct rtc_device *rtc;
 	struct resource *res;
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 43068fb..1b6d924 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -641,6 +641,8 @@
 
 	if (ipl_info.type != IPL_TYPE_FCP_DUMP)
 		return -ENODATA;
+	if (OLDMEM_BASE)
+		return -ENODATA;
 
 	zcore_dbf = debug_register("zcore", 4, 1, 4 * sizeof(long));
 	debug_register_view(zcore_dbf, &debug_sprintf_view);
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index b77ae51..ec94f04 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1271,18 +1271,16 @@
 }
 
 /**
- * ap_schedule_poll_timer(): Schedule poll timer.
+ * __ap_schedule_poll_timer(): Schedule poll timer.
  *
  * Set up the timer to run the poll tasklet
  */
-static inline void ap_schedule_poll_timer(void)
+static inline void __ap_schedule_poll_timer(void)
 {
 	ktime_t hr_time;
 
 	spin_lock_bh(&ap_poll_timer_lock);
-	if (ap_using_interrupts() || ap_suspend_flag)
-		goto out;
-	if (hrtimer_is_queued(&ap_poll_timer))
+	if (hrtimer_is_queued(&ap_poll_timer) || ap_suspend_flag)
 		goto out;
 	if (ktime_to_ns(hrtimer_expires_remaining(&ap_poll_timer)) <= 0) {
 		hr_time = ktime_set(0, poll_timeout);
@@ -1294,6 +1292,18 @@
 }
 
 /**
+ * ap_schedule_poll_timer(): Schedule poll timer.
+ *
+ * Set up the timer to run the poll tasklet
+ */
+static inline void ap_schedule_poll_timer(void)
+{
+	if (ap_using_interrupts())
+		return;
+	__ap_schedule_poll_timer();
+}
+
+/**
  * ap_poll_read(): Receive pending reply messages from an AP device.
  * @ap_dev: pointer to the AP device
  * @flags: pointer to control flags, bit 2^0 is set if another poll is
@@ -1374,8 +1384,9 @@
 			*flags |= 1;
 		*flags |= 2;
 		break;
-	case AP_RESPONSE_Q_FULL:
 	case AP_RESPONSE_RESET_IN_PROGRESS:
+		__ap_schedule_poll_timer();
+	case AP_RESPONSE_Q_FULL:
 		*flags |= 2;
 		break;
 	case AP_RESPONSE_MESSAGE_TOO_BIG:
diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig
index fa80ba1..9b66d2d 100644
--- a/drivers/s390/net/Kconfig
+++ b/drivers/s390/net/Kconfig
@@ -4,7 +4,7 @@
 config LCS
 	def_tristate m
 	prompt "Lan Channel Station Interface"
-	depends on CCW && NETDEVICES && (NET_ETHERNET || TR || FDDI)
+	depends on CCW && NETDEVICES && (ETHERNET || TR || FDDI)
 	help
 	   Select this option if you want to use LCS networking on IBM System z.
 	   This device driver supports Token Ring (IEEE 802.5),
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index c28713d..863fc21 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -50,7 +50,7 @@
 #include "lcs.h"
 
 
-#if !defined(CONFIG_NET_ETHERNET) && \
+#if !defined(CONFIG_ETHERNET) && \
     !defined(CONFIG_TR) && !defined(CONFIG_FDDI)
 #error Cannot compile lcs.c without some net devices switched on.
 #endif
@@ -1634,7 +1634,7 @@
 	int rc;
 
 	LCS_DBF_TEXT(2, trace, "strtauto");
-#ifdef CONFIG_NET_ETHERNET
+#ifdef CONFIG_ETHERNET
 	card->lan_type = LCS_FRAME_TYPE_ENET;
 	rc = lcs_send_startlan(card, LCS_INITIATOR_TCPIP);
 	if (rc == 0)
@@ -2166,7 +2166,7 @@
 		goto netdev_out;
 	}
 	switch (card->lan_type) {
-#ifdef CONFIG_NET_ETHERNET
+#ifdef CONFIG_ETHERNET
 	case LCS_FRAME_TYPE_ENET:
 		card->lan_type_trans = eth_type_trans;
 		dev = alloc_etherdev(0);
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 3251333..b6a6356 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -1994,6 +1994,8 @@
 			   netiucv_setup_netdevice);
 	if (!dev)
 		return NULL;
+	if (dev_alloc_name(dev, dev->name) < 0)
+		goto out_netdev;
 
 	privptr = netdev_priv(dev);
 	privptr->fsm = init_fsm("netiucvdev", dev_state_names,
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index b77c65e..4abc79d 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -236,8 +236,7 @@
 #define QETH_IN_BUF_COUNT_MAX 128
 #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
 #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \
-		((card)->ssqd.qdioac1 & AC1_SIGA_INPUT_NEEDED ? 1 : \
-		 ((card)->qdio.in_buf_pool.buf_count / 2))
+		 ((card)->qdio.in_buf_pool.buf_count / 2)
 
 /* buffers we have to be behind before we get a PCI */
 #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1)
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 8153443..fff57de 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -881,7 +881,6 @@
 void qeth_schedule_recovery(struct qeth_card *card)
 {
 	QETH_CARD_TEXT(card, 2, "startrec");
-	WARN_ON(1);
 	if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
 		schedule_work(&card->kernel_thread_starter);
 }
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index e4c1176..4d5307d 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2756,11 +2756,13 @@
 	struct neighbour *n = NULL;
 	struct dst_entry *dst;
 
+	rcu_read_lock();
 	dst = skb_dst(skb);
 	if (dst)
 		n = dst_get_neighbour(dst);
 	if (n) {
 		cast_type = n->type;
+		rcu_read_unlock();
 		if ((cast_type == RTN_BROADCAST) ||
 		    (cast_type == RTN_MULTICAST) ||
 		    (cast_type == RTN_ANYCAST))
@@ -2768,6 +2770,8 @@
 		else
 			return RTN_UNSPEC;
 	}
+	rcu_read_unlock();
+
 	/* try something else */
 	if (skb->protocol == ETH_P_IPV6)
 		return (skb_network_header(skb)[24] == 0xff) ?
@@ -2847,6 +2851,8 @@
 	}
 
 	hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
+
+	rcu_read_lock();
 	dst = skb_dst(skb);
 	if (dst)
 		n = dst_get_neighbour(dst);
@@ -2893,6 +2899,7 @@
 				QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
 		}
 	}
+	rcu_read_unlock();
 }
 
 static inline void qeth_l3_hdr_csum(struct qeth_card *card,
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index 0ea2fbf..d979bb2 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -335,10 +335,10 @@
 					QETH_IN_BUF_COUNT_MAX)
 				qeth_realloc_buffer_pool(card,
 					QETH_IN_BUF_COUNT_MAX);
-			break;
 		} else
 			rc = -EPERM;
-	default:   /* fall through */
+		break;
+	default:
 		rc = -EINVAL;
 	}
 out:
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 4aa76d6..705e13e 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -38,6 +38,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/slab.h>
 #include <linux/mutex.h>
 #include <linux/spinlock.h>
@@ -1109,6 +1110,9 @@
 		unique_id++;
 	}
 
+	pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
+			       PCIE_LINK_STATE_CLKPM);
+
 	error = pci_enable_device(pdev);
 	if (error)
 		goto out;
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index e76107b..865d452 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -23,6 +23,7 @@
 #include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
@@ -3922,6 +3923,10 @@
 		dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
 		return -ENODEV;
 	}
+
+	pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
+			       PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+
 	err = pci_enable_device(h->pdev);
 	if (err) {
 		dev_warn(&h->pdev->dev, "unable to enable PCI device\n");
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 8889b1b..4e041f6 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -2802,6 +2802,11 @@
 
 	if (ioc->is_driver_loading)
 		return;
+
+	fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
+	if (!fw_event)
+		return;
+
 	fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES;
 	fw_event->ioc = ioc;
 	_scsih_fw_event_add(ioc, fw_event);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 06bc2655..f85cfa6 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1409,6 +1409,8 @@
 
 	blk_start_request(req);
 
+	scmd_printk(KERN_INFO, cmd, "killing request\n");
+
 	sdev = cmd->device;
 	starget = scsi_target(sdev);
 	shost = sdev->host;
@@ -1490,7 +1492,6 @@
 	struct request *req;
 
 	if (!sdev) {
-		printk("scsi: killing requests for dead queue\n");
 		while ((req = blk_peek_request(q)) != NULL)
 			scsi_kill_request(req, q);
 		return;
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 72273a0..b3c6d95 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -319,11 +319,7 @@
 	return sdev;
 
 out_device_destroy:
-	scsi_device_set_state(sdev, SDEV_DEL);
-	transport_destroy_device(&sdev->sdev_gendev);
-	put_device(&sdev->sdev_dev);
-	scsi_free_queue(sdev->request_queue);
-	put_device(&sdev->sdev_gendev);
+	__scsi_remove_device(sdev);
 out:
 	if (display_failure_msg)
 		printk(ALLOC_FAILURE_MSG, __func__);
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index f103e47..5559b22 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -2184,6 +2184,12 @@
 		goto  err_clk_prep;
 	}
 
+	status = clk_enable(pl022->clk);
+	if (status) {
+		dev_err(&adev->dev, "could not enable SSP/SPI bus clock\n");
+		goto err_no_clk_en;
+	}
+
 	/* Disable SSP */
 	writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)),
 	       SSP_CR1(pl022->virtbase));
@@ -2237,6 +2243,8 @@
 
 	free_irq(adev->irq[0], pl022);
  err_no_irq:
+	clk_disable(pl022->clk);
+ err_no_clk_en:
 	clk_unprepare(pl022->clk);
  err_clk_prep:
 	clk_put(pl022->clk);
diff --git a/drivers/staging/et131x/Kconfig b/drivers/staging/et131x/Kconfig
index 9e1864c..8190f2a 100644
--- a/drivers/staging/et131x/Kconfig
+++ b/drivers/staging/et131x/Kconfig
@@ -1,6 +1,7 @@
 config ET131X
 	tristate "Agere ET-1310 Gigabit Ethernet support"
-	depends on PCI
+	depends on PCI && NET && NETDEVICES
+	select PHYLIB
 	default n
 	---help---
 	  This driver supports Agere ET-1310 ethernet adapters.
diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index f5f44a0..0c1c6ca 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -4469,6 +4469,12 @@
 	return 0;
 }
 
+static SIMPLE_DEV_PM_OPS(et131x_pm_ops, et131x_suspend, et131x_resume);
+#define ET131X_PM_OPS (&et131x_pm_ops)
+#else
+#define ET131X_PM_OPS NULL
+#endif
+
 /* ISR functions */
 
 /**
@@ -5470,12 +5476,6 @@
 	return result;
 }
 
-static SIMPLE_DEV_PM_OPS(et131x_pm_ops, et131x_suspend, et131x_resume);
-#define ET131X_PM_OPS (&et131x_pm_ops)
-#else
-#define ET131X_PM_OPS NULL
-#endif
-
 static DEFINE_PCI_DEVICE_TABLE(et131x_pci_table) = {
 	{ PCI_VDEVICE(ATT, ET131X_PCI_DEVICE_ID_GIG), 0UL},
 	{ PCI_VDEVICE(ATT, ET131X_PCI_DEVICE_ID_FAST), 0UL},
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 326e967..2656409 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -242,6 +242,8 @@
 
 static int iio_event_getfd(struct iio_dev *indio_dev)
 {
+	int fd;
+
 	if (indio_dev->event_interface == NULL)
 		return -ENODEV;
 
@@ -252,9 +254,15 @@
 		return -EBUSY;
 	}
 	mutex_unlock(&indio_dev->event_interface->event_list_lock);
-	return anon_inode_getfd("iio:event",
+	fd = anon_inode_getfd("iio:event",
 				&iio_event_chrdev_fileops,
 				indio_dev->event_interface, O_RDONLY);
+	if (fd < 0) {
+		mutex_lock(&indio_dev->event_interface->event_list_lock);
+		clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags);
+		mutex_unlock(&indio_dev->event_interface->event_list_lock);
+	}
+	return fd;
 }
 
 static int __init iio_init(void)
diff --git a/drivers/staging/media/as102/as102_drv.c b/drivers/staging/media/as102/as102_drv.c
index d335c7d..828526d 100644
--- a/drivers/staging/media/as102/as102_drv.c
+++ b/drivers/staging/media/as102/as102_drv.c
@@ -32,8 +32,8 @@
 #include "as102_fw.h"
 #include "dvbdev.h"
 
-int debug;
-module_param_named(debug, debug, int, 0644);
+int as102_debug;
+module_param_named(debug, as102_debug, int, 0644);
 MODULE_PARM_DESC(debug, "Turn on/off debugging (default: off)");
 
 int dual_tuner;
diff --git a/drivers/staging/media/as102/as102_drv.h b/drivers/staging/media/as102/as102_drv.h
index bcda635..fd33f5a 100644
--- a/drivers/staging/media/as102/as102_drv.h
+++ b/drivers/staging/media/as102/as102_drv.h
@@ -37,7 +37,8 @@
 #define DRIVER_FULL_NAME "Abilis Systems as10x usb driver"
 #define DRIVER_NAME "as10x_usb"
 
-extern int debug;
+extern int as102_debug;
+#define debug	as102_debug
 
 #define dprintk(debug, args...) \
 	do { if (debug) {	\
diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index b445cd6..2542c37 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -275,7 +275,7 @@
 		CVM_OCT_SKB_CB(skb)[0] = hw_buffer.u64;
 		for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
 			struct skb_frag_struct *fs = skb_shinfo(skb)->frags + i;
-			hw_buffer.s.addr = XKPHYS_TO_PHYS((u64)(page_address(fs->page) + fs->page_offset));
+			hw_buffer.s.addr = XKPHYS_TO_PHYS((u64)(page_address(fs->page.p) + fs->page_offset));
 			hw_buffer.s.size = fs->size;
 			CVM_OCT_SKB_CB(skb)[i + 1] = hw_buffer.u64;
 		}
diff --git a/drivers/staging/slicoss/Kconfig b/drivers/staging/slicoss/Kconfig
index 5cde96b..5c2a15b 100644
--- a/drivers/staging/slicoss/Kconfig
+++ b/drivers/staging/slicoss/Kconfig
@@ -1,6 +1,6 @@
 config SLICOSS
 	tristate "Alacritech Gigabit IS-NIC support"
-	depends on PCI && X86
+	depends on PCI && X86 && NET
 	default n
 	help
 	  This driver supports Alacritech's IS-NIC gigabit ethernet cards.
diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c
index 435f6fa..44fbeba 100644
--- a/drivers/tty/hvc/hvc_dcc.c
+++ b/drivers/tty/hvc/hvc_dcc.c
@@ -46,6 +46,7 @@
 
 	asm volatile("mrc p14, 0, %0, c0, c5, 0	@ read comms data reg"
 		: "=r" (__c));
+	isb();
 
 	return __c;
 }
@@ -55,6 +56,7 @@
 	asm volatile("mcr p14, 0, %0, c0, c5, 0	@ write a char"
 		: /* no output register */
 		: "r" (c));
+	isb();
 }
 
 static int hvc_dcc_put_chars(uint32_t vt, const char *buf, int count)
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 5f479da..925a1e5 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1560,7 +1560,7 @@
 	  Support for the IFX6x60 modem devices on Intel MID platforms.
 
 config SERIAL_PCH_UART
-	tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) UART"
+	tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) UART"
 	depends on PCI
 	select SERIAL_CORE
 	help
@@ -1568,12 +1568,12 @@
 	  which is an IOH(Input/Output Hub) for x86 embedded processor.
 	  Enabling PCH_DMA, this PCH UART works as DMA mode.
 
-	  This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
-	  Output Hub), ML7213 and ML7223.
-	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is
-	  for MP(Media Phone) use.
-	  ML7213/ML7223 is companion chip for Intel Atom E6xx series.
-	  ML7213/ML7223 is completely compatible for Intel EG20T PCH.
+	  This driver also can be used for LAPIS Semiconductor IOH(Input/
+	  Output Hub), ML7213, ML7223 and ML7831.
+	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
+	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
+	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
+	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 
 config SERIAL_MSM_SMD
 	bool "Enable tty device interface for some SMD ports"
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 4a0f86f..4c823f3 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -228,7 +228,7 @@
 	if (rs485conf->flags & SER_RS485_ENABLED) {
 		dev_dbg(port->dev, "Setting UART to RS485\n");
 		atmel_port->tx_done_mask = ATMEL_US_TXEMPTY;
-		if (rs485conf->flags & SER_RS485_RTS_AFTER_SEND)
+		if ((rs485conf->delay_rts_after_send) > 0)
 			UART_PUT_TTGR(port, rs485conf->delay_rts_after_send);
 		mode |= ATMEL_US_USMODE_RS485;
 	} else {
@@ -304,7 +304,7 @@
 
 	if (atmel_port->rs485.flags & SER_RS485_ENABLED) {
 		dev_dbg(port->dev, "Setting UART to RS485\n");
-		if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND)
+		if ((atmel_port->rs485.delay_rts_after_send) > 0)
 			UART_PUT_TTGR(port,
 					atmel_port->rs485.delay_rts_after_send);
 		mode |= ATMEL_US_USMODE_RS485;
@@ -1228,7 +1228,7 @@
 
 	if (atmel_port->rs485.flags & SER_RS485_ENABLED) {
 		dev_dbg(port->dev, "Setting UART to RS485\n");
-		if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND)
+		if ((atmel_port->rs485.delay_rts_after_send) > 0)
 			UART_PUT_TTGR(port,
 					atmel_port->rs485.delay_rts_after_send);
 		mode |= ATMEL_US_USMODE_RS485;
@@ -1447,16 +1447,6 @@
 		rs485conf->delay_rts_after_send = rs485_delay[1];
 		rs485conf->flags = 0;
 
-		if (rs485conf->delay_rts_before_send == 0 &&
-		    rs485conf->delay_rts_after_send == 0) {
-			rs485conf->flags |= SER_RS485_RTS_ON_SEND;
-		} else {
-			if (rs485conf->delay_rts_before_send)
-				rs485conf->flags |= SER_RS485_RTS_BEFORE_SEND;
-			if (rs485conf->delay_rts_after_send)
-				rs485conf->flags |= SER_RS485_RTS_AFTER_SEND;
-		}
-
 		if (of_get_property(np, "rs485-rx-during-tx", NULL))
 			rs485conf->flags |= SER_RS485_RX_DURING_TX;
 
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index b743504..1dfba7b 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -3234,9 +3234,8 @@
 		e100_disable_rx(info);
 		e100_enable_rx_irq(info);
 #endif
-		if ((info->rs485.flags & SER_RS485_RTS_BEFORE_SEND) &&
-			(info->rs485.delay_rts_before_send > 0))
-				msleep(info->rs485.delay_rts_before_send);
+		if (info->rs485.delay_rts_before_send > 0)
+			msleep(info->rs485.delay_rts_before_send);
 	}
 #endif /* CONFIG_ETRAX_RS485 */
 
@@ -3693,10 +3692,6 @@
 
 		rs485data.delay_rts_before_send = rs485ctrl.delay_rts_before_send;
 		rs485data.flags = 0;
-		if (rs485data.delay_rts_before_send != 0)
-			rs485data.flags |= SER_RS485_RTS_BEFORE_SEND;
-		else
-			rs485data.flags &= ~(SER_RS485_RTS_BEFORE_SEND);
 
 		if (rs485ctrl.enabled)
 			rs485data.flags |= SER_RS485_ENABLED;
@@ -4531,7 +4526,6 @@
 		/* Set sane defaults */
 		info->rs485.flags &= ~(SER_RS485_RTS_ON_SEND);
 		info->rs485.flags |= SER_RS485_RTS_AFTER_SEND;
-		info->rs485.flags &= ~(SER_RS485_RTS_BEFORE_SEND);
 		info->rs485.delay_rts_before_send = 0;
 		info->rs485.flags &= ~(SER_RS485_ENABLED);
 #endif
diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c
index 286c386..e272d39 100644
--- a/drivers/tty/serial/mfd.c
+++ b/drivers/tty/serial/mfd.c
@@ -884,7 +884,6 @@
 {
 	struct uart_hsu_port *up =
 			container_of(port, struct uart_hsu_port, port);
-	struct tty_struct *tty = port->state->port.tty;
 	unsigned char cval, fcr = 0;
 	unsigned long flags;
 	unsigned int baud, quot;
@@ -907,8 +906,7 @@
 	}
 
 	/* CMSPAR isn't supported by this driver */
-	if (tty)
-		tty->termios->c_cflag &= ~CMSPAR;
+	termios->c_cflag &= ~CMSPAR;
 
 	if (termios->c_cflag & CSTOPB)
 		cval |= UART_LCR_STOP;
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 21febef..d6aba8c 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1,5 +1,5 @@
 /*
- *Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ *Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
  *
  *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
@@ -46,8 +46,8 @@
 
 /* Set the max number of UART port
  * Intel EG20T PCH: 4 port
- * OKI SEMICONDUCTOR ML7213 IOH: 3 port
- * OKI SEMICONDUCTOR ML7223 IOH: 2 port
+ * LAPIS Semiconductor ML7213 IOH: 3 port
+ * LAPIS Semiconductor ML7223 IOH: 2 port
 */
 #define PCH_UART_NR	4
 
@@ -258,6 +258,8 @@
 	pch_ml7213_uart2,
 	pch_ml7223_uart0,
 	pch_ml7223_uart1,
+	pch_ml7831_uart0,
+	pch_ml7831_uart1,
 };
 
 static struct pch_uart_driver_data drv_dat[] = {
@@ -270,6 +272,8 @@
 	[pch_ml7213_uart2] = {PCH_UART_2LINE, 2},
 	[pch_ml7223_uart0] = {PCH_UART_8LINE, 0},
 	[pch_ml7223_uart1] = {PCH_UART_2LINE, 1},
+	[pch_ml7831_uart0] = {PCH_UART_8LINE, 0},
+	[pch_ml7831_uart1] = {PCH_UART_2LINE, 1},
 };
 
 static unsigned int default_baud = 9600;
@@ -628,6 +632,7 @@
 		dev_err(priv->port.dev, "%s:dma_request_channel FAILS(Rx)\n",
 			__func__);
 		dma_release_channel(priv->chan_tx);
+		priv->chan_tx = NULL;
 		return;
 	}
 
@@ -1215,8 +1220,7 @@
 		dev_err(priv->port.dev,
 			"pch_uart_hal_set_fifo Failed(ret=%d)\n", ret);
 
-	if (priv->use_dma_flag)
-		pch_free_dma(port);
+	pch_free_dma(port);
 
 	free_irq(priv->port.irq, priv);
 }
@@ -1280,6 +1284,7 @@
 	if (rtn)
 		goto out;
 
+	pch_uart_set_mctrl(&priv->port, priv->port.mctrl);
 	/* Don't rewrite B0 */
 	if (tty_termios_baud_rate(termios))
 		tty_termios_encode_baud_rate(termios, baud, baud);
@@ -1552,6 +1557,10 @@
 	 .driver_data = pch_ml7223_uart0},
 	{PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x800D),
 	 .driver_data = pch_ml7223_uart1},
+	{PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8811),
+	 .driver_data = pch_ml7831_uart0},
+	{PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8812),
+	 .driver_data = pch_ml7831_uart1},
 	{0,},
 };
 
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 512c49f..8e0924f 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -36,6 +36,7 @@
 
 #include <linux/kmod.h>
 #include <linux/nsproxy.h>
+#include <linux/ratelimit.h>
 
 /*
  *	This guards the refcounted line discipline lists. The lock
@@ -547,15 +548,16 @@
 /**
  *	tty_ldisc_wait_idle	-	wait for the ldisc to become idle
  *	@tty: tty to wait for
+ *	@timeout: for how long to wait at most
  *
  *	Wait for the line discipline to become idle. The discipline must
  *	have been halted for this to guarantee it remains idle.
  */
-static int tty_ldisc_wait_idle(struct tty_struct *tty)
+static int tty_ldisc_wait_idle(struct tty_struct *tty, long timeout)
 {
-	int ret;
+	long ret;
 	ret = wait_event_timeout(tty_ldisc_idle,
-			atomic_read(&tty->ldisc->users) == 1, 5 * HZ);
+			atomic_read(&tty->ldisc->users) == 1, timeout);
 	if (ret < 0)
 		return ret;
 	return ret > 0 ? 0 : -EBUSY;
@@ -665,7 +667,7 @@
 
 	tty_ldisc_flush_works(tty);
 
-	retval = tty_ldisc_wait_idle(tty);
+	retval = tty_ldisc_wait_idle(tty, 5 * HZ);
 
 	tty_lock();
 	mutex_lock(&tty->ldisc_mutex);
@@ -762,8 +764,6 @@
 	if (IS_ERR(ld))
 		return -1;
 
-	WARN_ON_ONCE(tty_ldisc_wait_idle(tty));
-
 	tty_ldisc_close(tty, tty->ldisc);
 	tty_ldisc_put(tty->ldisc);
 	tty->ldisc = NULL;
@@ -838,7 +838,7 @@
 	tty_unlock();
 	cancel_work_sync(&tty->buf.work);
 	mutex_unlock(&tty->ldisc_mutex);
-
+retry:
 	tty_lock();
 	mutex_lock(&tty->ldisc_mutex);
 
@@ -847,6 +847,22 @@
 	   it means auditing a lot of other paths so this is
 	   a FIXME */
 	if (tty->ldisc) {	/* Not yet closed */
+		if (atomic_read(&tty->ldisc->users) != 1) {
+			char cur_n[TASK_COMM_LEN], tty_n[64];
+			long timeout = 3 * HZ;
+			tty_unlock();
+
+			while (tty_ldisc_wait_idle(tty, timeout) == -EBUSY) {
+				timeout = MAX_SCHEDULE_TIMEOUT;
+				printk_ratelimited(KERN_WARNING
+					"%s: waiting (%s) for %s took too long, but we keep waiting...\n",
+					__func__, get_task_comm(cur_n, current),
+					tty_name(tty, tty_n));
+			}
+			mutex_unlock(&tty->ldisc_mutex);
+			goto retry;
+		}
+
 		if (reset == 0) {
 
 			if (!tty_ldisc_reinit(tty, tty->termios->c_line))
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 6960715..e8c564a 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -539,7 +539,6 @@
 {
 	int i;
 
-	mutex_lock(&open_mutex);
 	if (acm->dev) {
 		usb_autopm_get_interface(acm->control);
 		acm_set_control(acm, acm->ctrlout = 0);
@@ -551,14 +550,15 @@
 		acm->control->needs_remote_wakeup = 0;
 		usb_autopm_put_interface(acm->control);
 	}
-	mutex_unlock(&open_mutex);
 }
 
 static void acm_tty_hangup(struct tty_struct *tty)
 {
 	struct acm *acm = tty->driver_data;
 	tty_port_hangup(&acm->port);
+	mutex_lock(&open_mutex);
 	acm_port_down(acm);
+	mutex_unlock(&open_mutex);
 }
 
 static void acm_tty_close(struct tty_struct *tty, struct file *filp)
@@ -569,8 +569,9 @@
 	   shutdown */
 	if (!acm)
 		return;
+
+	mutex_lock(&open_mutex);
 	if (tty_port_close_start(&acm->port, tty, filp) == 0) {
-		mutex_lock(&open_mutex);
 		if (!acm->dev) {
 			tty_port_tty_set(&acm->port, NULL);
 			acm_tty_unregister(acm);
@@ -582,6 +583,7 @@
 	acm_port_down(acm);
 	tty_port_close_end(&acm->port, tty);
 	tty_port_tty_set(&acm->port, NULL);
+	mutex_unlock(&open_mutex);
 }
 
 static int acm_tty_write(struct tty_struct *tty,
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 96f05b2..7978146 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -813,6 +813,12 @@
 					USB_PORT_FEAT_C_PORT_LINK_STATE);
 		}
 
+		if ((portchange & USB_PORT_STAT_C_BH_RESET) &&
+				hub_is_superspeed(hub->hdev)) {
+			need_debounce_delay = true;
+			clear_port_feature(hub->hdev, port1,
+					USB_PORT_FEAT_C_BH_PORT_RESET);
+		}
 		/* We can forget about a "removed" device when there's a
 		 * physical disconnect or the connect status changes.
 		 */
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index d6a8d82..ecf12e1 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -50,15 +50,42 @@
 	/* Logitech Webcam B/C500 */
 	{ USB_DEVICE(0x046d, 0x0807), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Logitech Webcam C600 */
+	{ USB_DEVICE(0x046d, 0x0808), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Logitech Webcam Pro 9000 */
 	{ USB_DEVICE(0x046d, 0x0809), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Logitech Webcam C905 */
+	{ USB_DEVICE(0x046d, 0x080a), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C210 */
+	{ USB_DEVICE(0x046d, 0x0819), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C260 */
+	{ USB_DEVICE(0x046d, 0x081a), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Logitech Webcam C310 */
 	{ USB_DEVICE(0x046d, 0x081b), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Logitech Webcam C910 */
+	{ USB_DEVICE(0x046d, 0x0821), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Webcam C160 */
+	{ USB_DEVICE(0x046d, 0x0824), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Logitech Webcam C270 */
 	{ USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Logitech Quickcam Pro 9000 */
+	{ USB_DEVICE(0x046d, 0x0990), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Quickcam E3500 */
+	{ USB_DEVICE(0x046d, 0x09a4), .driver_info = USB_QUIRK_RESET_RESUME },
+
+	/* Logitech Quickcam Vision Pro */
+	{ USB_DEVICE(0x046d, 0x09a6), .driver_info = USB_QUIRK_RESET_RESUME },
+
 	/* Logitech Harmony 700-series */
 	{ USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
 
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index fa824cf..25dbd86 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1284,6 +1284,7 @@
 			int		ret;
 
 			dep->endpoint.maxpacket = 1024;
+			dep->endpoint.max_streams = 15;
 			dep->endpoint.ops = &dwc3_gadget_ep_ops;
 			list_add_tail(&dep->endpoint.ep_list,
 					&dwc->gadget.ep_list);
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index b21cd37..23a4473 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -469,7 +469,7 @@
 	   gadget drivers to also be dynamically linked.
 
 config USB_EG20T
-	tristate "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH UDC"
+	tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC"
 	depends on PCI
 	select USB_GADGET_DUALSPEED
 	help
@@ -485,10 +485,11 @@
 	  This driver dose not support interrupt transfer or isochronous
 	  transfer modes.
 
-	  This driver also can be used for OKI SEMICONDUCTOR's ML7213 which is
+	  This driver also can be used for LAPIS Semiconductor's ML7213 which is
 	  for IVI(In-Vehicle Infotainment) use.
-	  ML7213 is companion chip for Intel Atom E6xx series.
-	  ML7213 is completely compatible for Intel EG20T PCH.
+	  ML7831 is for general purpose use.
+	  ML7213/ML7831 is companion chip for Intel Atom E6xx series.
+	  ML7213/ML7831 is completely compatible for Intel EG20T PCH.
 
 config USB_CI13XXX_MSM
 	tristate "MIPS USB CI13xxx for MSM"
diff --git a/drivers/usb/gadget/ci13xxx_msm.c b/drivers/usb/gadget/ci13xxx_msm.c
index 4eedfe5..1fc6129 100644
--- a/drivers/usb/gadget/ci13xxx_msm.c
+++ b/drivers/usb/gadget/ci13xxx_msm.c
@@ -122,3 +122,5 @@
 	return platform_driver_register(&ci13xxx_msm_driver);
 }
 module_init(ci13xxx_msm_init);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 83428f5..9a0c397 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -71,6 +71,9 @@
 /******************************************************************************
  * DEFINE
  *****************************************************************************/
+
+#define DMA_ADDR_INVALID	(~(dma_addr_t)0)
+
 /* ctrl register bank access */
 static DEFINE_SPINLOCK(udc_lock);
 
@@ -1434,7 +1437,7 @@
 		return -EALREADY;
 
 	mReq->req.status = -EALREADY;
-	if (length && !mReq->req.dma) {
+	if (length && mReq->req.dma == DMA_ADDR_INVALID) {
 		mReq->req.dma = \
 			dma_map_single(mEp->device, mReq->req.buf,
 				       length, mEp->dir ? DMA_TO_DEVICE :
@@ -1453,7 +1456,7 @@
 				dma_unmap_single(mEp->device, mReq->req.dma,
 					length, mEp->dir ? DMA_TO_DEVICE :
 					DMA_FROM_DEVICE);
-				mReq->req.dma = 0;
+				mReq->req.dma = DMA_ADDR_INVALID;
 				mReq->map     = 0;
 			}
 			return -ENOMEM;
@@ -1549,7 +1552,7 @@
 	if (mReq->map) {
 		dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length,
 				 mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
-		mReq->req.dma = 0;
+		mReq->req.dma = DMA_ADDR_INVALID;
 		mReq->map     = 0;
 	}
 
@@ -1610,7 +1613,6 @@
  * @gadget: gadget
  *
  * This function returns an error code
- * Caller must hold lock
  */
 static int _gadget_stop_activity(struct usb_gadget *gadget)
 {
@@ -2189,6 +2191,7 @@
 	mReq = kzalloc(sizeof(struct ci13xxx_req), gfp_flags);
 	if (mReq != NULL) {
 		INIT_LIST_HEAD(&mReq->queue);
+		mReq->req.dma = DMA_ADDR_INVALID;
 
 		mReq->ptr = dma_pool_alloc(mEp->td_pool, gfp_flags,
 					   &mReq->dma);
@@ -2328,7 +2331,7 @@
 	if (mReq->map) {
 		dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length,
 				 mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
-		mReq->req.dma = 0;
+		mReq->req.dma = DMA_ADDR_INVALID;
 		mReq->map     = 0;
 	}
 	req->status = -ECONNRESET;
@@ -2500,12 +2503,12 @@
 	spin_lock_irqsave(udc->lock, flags);
 	if (!udc->remote_wakeup) {
 		ret = -EOPNOTSUPP;
-		dbg_trace("remote wakeup feature is not enabled\n");
+		trace("remote wakeup feature is not enabled\n");
 		goto out;
 	}
 	if (!hw_cread(CAP_PORTSC, PORTSC_SUSP)) {
 		ret = -EINVAL;
-		dbg_trace("port is not suspended\n");
+		trace("port is not suspended\n");
 		goto out;
 	}
 	hw_cwrite(CAP_PORTSC, PORTSC_FPR, PORTSC_FPR);
@@ -2703,7 +2706,9 @@
 		if (udc->udc_driver->notify_event)
 			udc->udc_driver->notify_event(udc,
 			CI13XXX_CONTROLLER_STOPPED_EVENT);
+		spin_unlock_irqrestore(udc->lock, flags);
 		_gadget_stop_activity(&udc->gadget);
+		spin_lock_irqsave(udc->lock, flags);
 		pm_runtime_put(&udc->gadget.dev);
 	}
 
@@ -2850,7 +2855,7 @@
 	struct ci13xxx *udc;
 	int retval = 0;
 
-	trace("%p, %p, %p", dev, regs, name);
+	trace("%p, %p, %p", dev, regs, driver->name);
 
 	if (dev == NULL || regs == NULL || driver == NULL ||
 			driver->name == NULL)
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 52583a2..c39d588 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -624,7 +624,8 @@
 		if (ctrl->bRequestType !=
 		    (USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE))
 			break;
-		if (w_index != fsg->interface_number || w_value != 0)
+		if (w_index != fsg->interface_number || w_value != 0 ||
+				w_length != 0)
 			return -EDOM;
 
 		/*
@@ -639,7 +640,8 @@
 		if (ctrl->bRequestType !=
 		    (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE))
 			break;
-		if (w_index != fsg->interface_number || w_value != 0)
+		if (w_index != fsg->interface_number || w_value != 0 ||
+				w_length != 1)
 			return -EDOM;
 		VDBG(fsg, "get max LUN\n");
 		*(u8 *)req->buf = fsg->common->nluns - 1;
diff --git a/drivers/usb/gadget/f_midi.c b/drivers/usb/gadget/f_midi.c
index 67b2229..3797b3d 100644
--- a/drivers/usb/gadget/f_midi.c
+++ b/drivers/usb/gadget/f_midi.c
@@ -95,7 +95,6 @@
 
 DECLARE_UAC_AC_HEADER_DESCRIPTOR(1);
 DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(1);
-DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(16);
 DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(16);
 
 /* B.3.1  Standard AC Interface Descriptor */
@@ -140,26 +139,6 @@
 	/* .wTotalLength =	DYNAMIC */
 };
 
-/* B.4.3  Embedded MIDI IN Jack Descriptor */
-static struct usb_midi_in_jack_descriptor jack_in_emb_desc = {
-	.bLength =	      USB_DT_MIDI_IN_SIZE,
-	.bDescriptorType =      USB_DT_CS_INTERFACE,
-	.bDescriptorSubtype =   USB_MS_MIDI_IN_JACK,
-	.bJackType =	    USB_MS_EMBEDDED,
-	/* .bJackID =		DYNAMIC */
-};
-
-/* B.4.4  Embedded MIDI OUT Jack Descriptor */
-static struct usb_midi_out_jack_descriptor_16 jack_out_emb_desc = {
-	/* .bLength =		DYNAMIC */
-	.bDescriptorType =	USB_DT_CS_INTERFACE,
-	.bDescriptorSubtype =	USB_MS_MIDI_OUT_JACK,
-	.bJackType =		USB_MS_EMBEDDED,
-	/* .bJackID =		DYNAMIC */
-	/* .bNrInputPins =	DYNAMIC */
-	/* .pins =		DYNAMIC */
-};
-
 /* B.5.1  Standard Bulk OUT Endpoint Descriptor */
 static struct usb_endpoint_descriptor bulk_out_desc = {
 	.bLength =		USB_DT_ENDPOINT_AUDIO_SIZE,
@@ -758,9 +737,11 @@
 static int __init
 f_midi_bind(struct usb_configuration *c, struct usb_function *f)
 {
-	struct usb_descriptor_header *midi_function[(MAX_PORTS * 2) + 12];
+	struct usb_descriptor_header **midi_function;
 	struct usb_midi_in_jack_descriptor jack_in_ext_desc[MAX_PORTS];
+	struct usb_midi_in_jack_descriptor jack_in_emb_desc[MAX_PORTS];
 	struct usb_midi_out_jack_descriptor_1 jack_out_ext_desc[MAX_PORTS];
+	struct usb_midi_out_jack_descriptor_1 jack_out_emb_desc[MAX_PORTS];
 	struct usb_composite_dev *cdev = c->cdev;
 	struct f_midi *midi = func_to_midi(f);
 	int status, n, jack = 1, i = 0;
@@ -798,6 +779,14 @@
 		goto fail;
 	midi->out_ep->driver_data = cdev;	/* claim */
 
+	/* allocate temporary function list */
+	midi_function = kcalloc((MAX_PORTS * 4) + 9, sizeof(midi_function),
+				GFP_KERNEL);
+	if (!midi_function) {
+		status = -ENOMEM;
+		goto fail;
+	}
+
 	/*
 	 * construct the function's descriptor set. As the number of
 	 * input and output MIDI ports is configurable, we have to do
@@ -811,73 +800,74 @@
 
 	/* calculate the header's wTotalLength */
 	n = USB_DT_MS_HEADER_SIZE
-		+ (1 + midi->in_ports) * USB_DT_MIDI_IN_SIZE
-		+ (1 + midi->out_ports) * USB_DT_MIDI_OUT_SIZE(1);
+		+ (midi->in_ports + midi->out_ports) *
+			(USB_DT_MIDI_IN_SIZE + USB_DT_MIDI_OUT_SIZE(1));
 	ms_header_desc.wTotalLength = cpu_to_le16(n);
 
 	midi_function[i++] = (struct usb_descriptor_header *) &ms_header_desc;
 
-	/* we have one embedded IN jack */
-	jack_in_emb_desc.bJackID = jack++;
-	midi_function[i++] = (struct usb_descriptor_header *) &jack_in_emb_desc;
-
-	/* and a dynamic amount of external IN jacks */
+	/* configure the external IN jacks, each linked to an embedded OUT jack */
 	for (n = 0; n < midi->in_ports; n++) {
-		struct usb_midi_in_jack_descriptor *ext = &jack_in_ext_desc[n];
+		struct usb_midi_in_jack_descriptor *in_ext = &jack_in_ext_desc[n];
+		struct usb_midi_out_jack_descriptor_1 *out_emb = &jack_out_emb_desc[n];
 
-		ext->bLength =			USB_DT_MIDI_IN_SIZE;
-		ext->bDescriptorType =		USB_DT_CS_INTERFACE;
-		ext->bDescriptorSubtype =	USB_MS_MIDI_IN_JACK;
-		ext->bJackType =		USB_MS_EXTERNAL;
-		ext->bJackID =			jack++;
-		ext->iJack =			0;
+		in_ext->bLength			= USB_DT_MIDI_IN_SIZE;
+		in_ext->bDescriptorType		= USB_DT_CS_INTERFACE;
+		in_ext->bDescriptorSubtype	= USB_MS_MIDI_IN_JACK;
+		in_ext->bJackType		= USB_MS_EXTERNAL;
+		in_ext->bJackID			= jack++;
+		in_ext->iJack			= 0;
+		midi_function[i++] = (struct usb_descriptor_header *) in_ext;
 
-		midi_function[i++] = (struct usb_descriptor_header *) ext;
+		out_emb->bLength		= USB_DT_MIDI_OUT_SIZE(1);
+		out_emb->bDescriptorType	= USB_DT_CS_INTERFACE;
+		out_emb->bDescriptorSubtype	= USB_MS_MIDI_OUT_JACK;
+		out_emb->bJackType		= USB_MS_EMBEDDED;
+		out_emb->bJackID		= jack++;
+		out_emb->bNrInputPins		= 1;
+		out_emb->pins[0].baSourcePin	= 1;
+		out_emb->pins[0].baSourceID	= in_ext->bJackID;
+		out_emb->iJack			= 0;
+		midi_function[i++] = (struct usb_descriptor_header *) out_emb;
+
+		/* link it to the endpoint */
+		ms_in_desc.baAssocJackID[n] = out_emb->bJackID;
 	}
 
-	/* one embedded OUT jack ... */
-	jack_out_emb_desc.bLength = USB_DT_MIDI_OUT_SIZE(midi->in_ports);
-	jack_out_emb_desc.bJackID = jack++;
-	jack_out_emb_desc.bNrInputPins = midi->in_ports;
-	/* ... which referencess all external IN jacks */
-	for (n = 0; n < midi->in_ports; n++) {
-		jack_out_emb_desc.pins[n].baSourceID = jack_in_ext_desc[n].bJackID;
-		jack_out_emb_desc.pins[n].baSourcePin =	1;
-	}
-
-	midi_function[i++] = (struct usb_descriptor_header *) &jack_out_emb_desc;
-
-	/* and multiple external OUT jacks ... */
+	/* configure the external OUT jacks, each linked to an embedded IN jack */
 	for (n = 0; n < midi->out_ports; n++) {
-		struct usb_midi_out_jack_descriptor_1 *ext = &jack_out_ext_desc[n];
-		int m;
+		struct usb_midi_in_jack_descriptor *in_emb = &jack_in_emb_desc[n];
+		struct usb_midi_out_jack_descriptor_1 *out_ext = &jack_out_ext_desc[n];
 
-		ext->bLength =			USB_DT_MIDI_OUT_SIZE(1);
-		ext->bDescriptorType =		USB_DT_CS_INTERFACE;
-		ext->bDescriptorSubtype =	USB_MS_MIDI_OUT_JACK;
-		ext->bJackType =		USB_MS_EXTERNAL;
-		ext->bJackID =			jack++;
-		ext->bNrInputPins =		1;
-		ext->iJack =			0;
-		/* ... which all reference the same embedded IN jack */
-		for (m = 0; m < midi->out_ports; m++) {
-			ext->pins[m].baSourceID =	jack_in_emb_desc.bJackID;
-			ext->pins[m].baSourcePin =	1;
-		}
+		in_emb->bLength			= USB_DT_MIDI_IN_SIZE;
+		in_emb->bDescriptorType		= USB_DT_CS_INTERFACE;
+		in_emb->bDescriptorSubtype	= USB_MS_MIDI_IN_JACK;
+		in_emb->bJackType		= USB_MS_EMBEDDED;
+		in_emb->bJackID			= jack++;
+		in_emb->iJack			= 0;
+		midi_function[i++] = (struct usb_descriptor_header *) in_emb;
 
-		midi_function[i++] = (struct usb_descriptor_header *) ext;
+		out_ext->bLength =		USB_DT_MIDI_OUT_SIZE(1);
+		out_ext->bDescriptorType =	USB_DT_CS_INTERFACE;
+		out_ext->bDescriptorSubtype =	USB_MS_MIDI_OUT_JACK;
+		out_ext->bJackType =		USB_MS_EXTERNAL;
+		out_ext->bJackID =		jack++;
+		out_ext->bNrInputPins =		1;
+		out_ext->iJack =		0;
+		out_ext->pins[0].baSourceID =	in_emb->bJackID;
+		out_ext->pins[0].baSourcePin =	1;
+		midi_function[i++] = (struct usb_descriptor_header *) out_ext;
+
+		/* link it to the endpoint */
+		ms_out_desc.baAssocJackID[n] = in_emb->bJackID;
 	}
 
 	/* configure the endpoint descriptors ... */
 	ms_out_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->in_ports);
 	ms_out_desc.bNumEmbMIDIJack = midi->in_ports;
-	for (n = 0; n < midi->in_ports; n++)
-		ms_out_desc.baAssocJackID[n] = jack_in_emb_desc.bJackID;
 
 	ms_in_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->out_ports);
 	ms_in_desc.bNumEmbMIDIJack = midi->out_ports;
-	for (n = 0; n < midi->out_ports; n++)
-		ms_in_desc.baAssocJackID[n] = jack_out_emb_desc.bJackID;
 
 	/* ... and add them to the list */
 	midi_function[i++] = (struct usb_descriptor_header *) &bulk_out_desc;
@@ -901,6 +891,8 @@
 		f->descriptors = usb_copy_descriptors(midi_function);
 	}
 
+	kfree(midi_function);
+
 	return 0;
 
 fail:
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index 3490770..16a509a 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -346,7 +346,7 @@
 		}
 
 		skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
-				skb->len == 0, req->actual);
+				skb->len <= 1, req->actual);
 		page = NULL;
 
 		if (req->actual < req->length) { /* Last fragment */
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index f7e39b0..11b5196 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -859,7 +859,7 @@
 			if (ctrl->bRequestType != (USB_DIR_OUT |
 					USB_TYPE_CLASS | USB_RECIP_INTERFACE))
 				break;
-			if (w_index != 0 || w_value != 0) {
+			if (w_index != 0 || w_value != 0 || w_length != 0) {
 				value = -EDOM;
 				break;
 			}
@@ -875,7 +875,7 @@
 			if (ctrl->bRequestType != (USB_DIR_IN |
 					USB_TYPE_CLASS | USB_RECIP_INTERFACE))
 				break;
-			if (w_index != 0 || w_value != 0) {
+			if (w_index != 0 || w_value != 0 || w_length != 1) {
 				value = -EDOM;
 				break;
 			}
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index b2c44e1..b3b3d83 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -1717,7 +1717,7 @@
 
 static inline enum usb_device_speed portscx_device_speed(u32 reg)
 {
-	switch (speed & PORTSCX_PORT_SPEED_MASK) {
+	switch (reg & PORTSCX_PORT_SPEED_MASK) {
 	case PORTSCX_PORT_SPEED_HIGH:
 		return USB_SPEED_HIGH;
 	case PORTSCX_PORT_SPEED_FULL:
@@ -2480,8 +2480,7 @@
 
 #ifndef CONFIG_ARCH_MXC
 	if (pdata->have_sysif_regs)
-		usb_sys_regs = (struct usb_sys_interface *)
-				((u32)dr_regs + USB_DR_SYS_OFFSET);
+		usb_sys_regs = (void *)dr_regs + USB_DR_SYS_OFFSET;
 #endif
 
 	/* Initialize USB clocks */
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index a392ec0..6ccae27 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1730,8 +1730,9 @@
 gadgetfs_disconnect (struct usb_gadget *gadget)
 {
 	struct dev_data		*dev = get_gadget_data (gadget);
+	unsigned long		flags;
 
-	spin_lock (&dev->lock);
+	spin_lock_irqsave (&dev->lock, flags);
 	if (dev->state == STATE_DEV_UNCONNECTED)
 		goto exit;
 	dev->state = STATE_DEV_UNCONNECTED;
@@ -1740,7 +1741,7 @@
 	next_event (dev, GADGETFS_DISCONNECT);
 	ep0_readable (dev);
 exit:
-	spin_unlock (&dev->lock);
+	spin_unlock_irqrestore (&dev->lock, flags);
 }
 
 static void
diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index 550d6dc..5048a0c 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
  *
  * 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
@@ -354,6 +354,7 @@
 #define PCI_DEVICE_ID_INTEL_EG20T_UDC	0x8808
 #define PCI_VENDOR_ID_ROHM		0x10DB
 #define PCI_DEVICE_ID_ML7213_IOH_UDC	0x801D
+#define PCI_DEVICE_ID_ML7831_IOH_UDC	0x8808
 
 static const char	ep0_string[] = "ep0in";
 static DEFINE_SPINLOCK(udc_stall_spinlock);	/* stall spin lock */
@@ -2970,6 +2971,11 @@
 		.class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
 		.class_mask = 0xffffffff,
 	},
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_ROHM, PCI_DEVICE_ID_ML7831_IOH_UDC),
+		.class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
+		.class_mask = 0xffffffff,
+	},
 	{ 0 },
 };
 
@@ -2999,5 +3005,5 @@
 module_exit(pch_udc_pci_exit);
 
 MODULE_DESCRIPTION("Intel EG20T USB Device Controller");
-MODULE_AUTHOR("OKI SEMICONDUCTOR, <toshiharu-linux@dsn.okisemi.com>");
+MODULE_AUTHOR("LAPIS Semiconductor, <tomoya-linux@dsn.lapis-semi.com>");
 MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 68a826a..24f84b2 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1718,6 +1718,8 @@
 	if (list_empty(&ep->queue) && !ep->busy) {
 		pipe_stop(ep->r8a66597, ep->pipenum);
 		r8a66597_bclr(ep->r8a66597, BCLR, ep->fifoctr);
+		r8a66597_write(ep->r8a66597, ACLRM, ep->pipectr);
+		r8a66597_write(ep->r8a66597, 0, ep->pipectr);
 	}
 	spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
 }
@@ -1742,7 +1744,6 @@
 		struct usb_gadget_driver *driver)
 {
 	struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget);
-	int retval;
 
 	if (!driver
 			|| driver->speed != USB_SPEED_HIGH
@@ -1752,16 +1753,7 @@
 		return -ENODEV;
 
 	/* hook up the driver */
-	driver->driver.bus = NULL;
 	r8a66597->driver = driver;
-	r8a66597->gadget.dev.driver = &driver->driver;
-
-	retval = device_add(&r8a66597->gadget.dev);
-	if (retval) {
-		dev_err(r8a66597_to_dev(r8a66597), "device_add error (%d)\n",
-			retval);
-		goto error;
-	}
 
 	init_controller(r8a66597);
 	r8a66597_bset(r8a66597, VBSE, INTENB0);
@@ -1775,12 +1767,6 @@
 	}
 
 	return 0;
-
-error:
-	r8a66597->driver = NULL;
-	r8a66597->gadget.dev.driver = NULL;
-
-	return retval;
 }
 
 static int r8a66597_stop(struct usb_gadget *gadget,
@@ -1794,7 +1780,6 @@
 	disable_controller(r8a66597);
 	spin_unlock_irqrestore(&r8a66597->lock, flags);
 
-	device_del(&r8a66597->gadget.dev);
 	r8a66597->driver = NULL;
 	return 0;
 }
@@ -1845,6 +1830,7 @@
 		clk_put(r8a66597->clk);
 	}
 #endif
+	device_unregister(&r8a66597->gadget.dev);
 	kfree(r8a66597);
 	return 0;
 }
@@ -1924,13 +1910,17 @@
 	r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW;
 
 	r8a66597->gadget.ops = &r8a66597_gadget_ops;
-	device_initialize(&r8a66597->gadget.dev);
 	dev_set_name(&r8a66597->gadget.dev, "gadget");
 	r8a66597->gadget.is_dualspeed = 1;
 	r8a66597->gadget.dev.parent = &pdev->dev;
 	r8a66597->gadget.dev.dma_mask = pdev->dev.dma_mask;
 	r8a66597->gadget.dev.release = pdev->dev.release;
 	r8a66597->gadget.name = udc_name;
+	ret = device_register(&r8a66597->gadget.dev);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "device_register failed\n");
+		goto clean_up;
+	}
 
 	init_timer(&r8a66597->timer);
 	r8a66597->timer.function = r8a66597_timer;
@@ -1945,7 +1935,7 @@
 			dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
 				clk_name);
 			ret = PTR_ERR(r8a66597->clk);
-			goto clean_up;
+			goto clean_up_dev;
 		}
 		clk_enable(r8a66597->clk);
 	}
@@ -2014,7 +2004,9 @@
 		clk_disable(r8a66597->clk);
 		clk_put(r8a66597->clk);
 	}
+clean_up_dev:
 #endif
+	device_unregister(&r8a66597->gadget.dev);
 clean_up:
 	if (r8a66597) {
 		if (r8a66597->sudmac_reg)
diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 022baec..6939e17 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -210,10 +210,10 @@
 	kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);
 
 	if (udc_is_newstyle(udc)) {
-		usb_gadget_disconnect(udc->gadget);
+		udc->driver->disconnect(udc->gadget);
 		udc->driver->unbind(udc->gadget);
 		usb_gadget_udc_stop(udc->gadget, udc->driver);
-
+		usb_gadget_disconnect(udc->gadget);
 	} else {
 		usb_gadget_stop(udc->gadget, udc->driver);
 	}
@@ -344,7 +344,7 @@
 static ssize_t usb_udc_srp_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t n)
 {
-	struct usb_udc		*udc = dev_get_drvdata(dev);
+	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);
 
 	if (sysfs_streq(buf, "1"))
 		usb_gadget_wakeup(udc->gadget);
@@ -378,7 +378,7 @@
 	return snprintf(buf, PAGE_SIZE, "%s\n",
 			usb_speed_string(udc->gadget->speed));
 }
-static DEVICE_ATTR(speed, S_IRUSR, usb_udc_speed_show, NULL);
+static DEVICE_ATTR(speed, S_IRUGO, usb_udc_speed_show, NULL);
 
 #define USB_UDC_ATTR(name)					\
 ssize_t usb_udc_##name##_show(struct device *dev,		\
@@ -389,7 +389,7 @@
 								\
 	return snprintf(buf, PAGE_SIZE, "%d\n", gadget->name);	\
 }								\
-static DEVICE_ATTR(name, S_IRUSR, usb_udc_##name##_show, NULL)
+static DEVICE_ATTR(name, S_IRUGO, usb_udc_##name##_show, NULL)
 
 static USB_UDC_ATTR(is_dualspeed);
 static USB_UDC_ATTR(is_otg);
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 2e829fa..56a3203 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1479,10 +1479,15 @@
 
 		/* NOTE:  assumes URB_ISO_ASAP, to limit complexity/bugs */
 
-		/* find a uframe slot with enough bandwidth */
-		next = start + period;
-		for (; start < next; start++) {
-
+		/* find a uframe slot with enough bandwidth.
+		 * Early uframes are more precious because full-speed
+		 * iso IN transfers can't use late uframes,
+		 * and therefore they should be allocated last.
+		 */
+		next = start;
+		start += period;
+		do {
+			start--;
 			/* check schedule: enough space? */
 			if (stream->highspeed) {
 				if (itd_slot_ok(ehci, mod, start,
@@ -1495,7 +1500,7 @@
 						start, sched, period))
 					break;
 			}
-		}
+		} while (start > next);
 
 		/* no room in the schedule */
 		if (start == next) {
diff --git a/drivers/usb/host/ehci-xls.c b/drivers/usb/host/ehci-xls.c
index fe74bd6..b4fb511 100644
--- a/drivers/usb/host/ehci-xls.c
+++ b/drivers/usb/host/ehci-xls.c
@@ -19,7 +19,7 @@
 
 	ehci->caps = hcd->regs;
 	ehci->regs = hcd->regs +
-		HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
+		HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
 	dbg_hcs_params(ehci, "reset");
 	dbg_hcc_params(ehci, "reset");
 
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index ba3a46b..95a9fec 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -223,6 +223,9 @@
 	if (port < 0 || port >= 2)
 		return;
 
+	if (pdata->vbus_pin[port] <= 0)
+		return;
+
 	gpio_set_value(pdata->vbus_pin[port], !pdata->vbus_pin_inverted ^ enable);
 }
 
@@ -231,6 +234,9 @@
 	if (port < 0 || port >= 2)
 		return -EINVAL;
 
+	if (pdata->vbus_pin[port] <= 0)
+		return -EINVAL;
+
 	return gpio_get_value(pdata->vbus_pin[port]) ^ !pdata->vbus_pin_inverted;
 }
 
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 34efd47..b263919 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -389,17 +389,14 @@
 	struct ohci_hcd *ohci;
 
 	ohci = hcd_to_ohci (hcd);
-	ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
-	ohci->hc_control = ohci_readl(ohci, &ohci->regs->control);
+	ohci_writel(ohci, (u32) ~0, &ohci->regs->intrdisable);
 
-	/* If the SHUTDOWN quirk is set, don't put the controller in RESET */
-	ohci->hc_control &= (ohci->flags & OHCI_QUIRK_SHUTDOWN ?
-			OHCI_CTRL_RWC | OHCI_CTRL_HCFS :
-			OHCI_CTRL_RWC);
-	ohci_writel(ohci, ohci->hc_control, &ohci->regs->control);
+	/* Software reset, after which the controller goes into SUSPEND */
+	ohci_writel(ohci, OHCI_HCR, &ohci->regs->cmdstatus);
+	ohci_readl(ohci, &ohci->regs->cmdstatus);	/* flush the writes */
+	udelay(10);
 
-	/* flush the writes */
-	(void) ohci_readl (ohci, &ohci->regs->control);
+	ohci_writel(ohci, ohci->fminterval, &ohci->regs->fminterval);
 }
 
 static int check_ed(struct ohci_hcd *ohci, struct ed *ed)
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index ad8166c..bc01b06 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -175,28 +175,6 @@
 	return 0;
 }
 
-/* nVidia controllers continue to drive Reset signalling on the bus
- * even after system shutdown, wasting power.  This flag tells the
- * shutdown routine to leave the controller OPERATIONAL instead of RESET.
- */
-static int ohci_quirk_nvidia_shutdown(struct usb_hcd *hcd)
-{
-	struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
-	struct ohci_hcd	*ohci = hcd_to_ohci(hcd);
-
-	/* Evidently nVidia fixed their later hardware; this is a guess at
-	 * the changeover point.
-	 */
-#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB		0x026d
-
-	if (pdev->device < PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB) {
-		ohci->flags |= OHCI_QUIRK_SHUTDOWN;
-		ohci_dbg(ohci, "enabled nVidia shutdown quirk\n");
-	}
-
-	return 0;
-}
-
 static void sb800_prefetch(struct ohci_hcd *ohci, int on)
 {
 	struct pci_dev *pdev;
@@ -260,10 +238,6 @@
 		PCI_DEVICE(PCI_VENDOR_ID_ATI, 0x4399),
 		.driver_data = (unsigned long)ohci_quirk_amd700,
 	},
-	{
-		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
-		.driver_data = (unsigned long) ohci_quirk_nvidia_shutdown,
-	},
 
 	/* FIXME for some of the early AMD 760 southbridges, OHCI
 	 * won't work at all.  blacklist them.
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index 35e5fd6..0795b93 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -403,7 +403,6 @@
 #define	OHCI_QUIRK_HUB_POWER	0x100			/* distrust firmware power/oc setup */
 #define	OHCI_QUIRK_AMD_PLL	0x200			/* AMD PLL quirk*/
 #define	OHCI_QUIRK_AMD_PREFETCH	0x400			/* pre-fetch for ISO transfer */
-#define	OHCI_QUIRK_SHUTDOWN	0x800			/* nVidia power bug */
 	// there are also chip quirks/bugs in init logic
 
 	struct work_struct	nec_work;	/* Worker for NEC quirk */
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 27a3dec..caf8742 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -37,6 +37,7 @@
 #define OHCI_INTRENABLE		0x10
 #define OHCI_INTRDISABLE	0x14
 #define OHCI_FMINTERVAL		0x34
+#define OHCI_HCFS		(3 << 6)	/* hc functional state */
 #define OHCI_HCR		(1 << 0)	/* host controller reset */
 #define OHCI_OCR		(1 << 3)	/* ownership change request */
 #define OHCI_CTRL_RWC		(1 << 9)	/* remote wakeup connected */
@@ -466,6 +467,8 @@
 {
 	void __iomem *base;
 	u32 control;
+	u32 fminterval;
+	int cnt;
 
 	if (!mmio_resource_enabled(pdev, 0))
 		return;
@@ -498,41 +501,32 @@
 	}
 #endif
 
-	/* reset controller, preserving RWC (and possibly IR) */
-	writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
-	readl(base + OHCI_CONTROL);
+	/* disable interrupts */
+	writel((u32) ~0, base + OHCI_INTRDISABLE);
 
-	/* Some NVIDIA controllers stop working if kept in RESET for too long */
-	if (pdev->vendor == PCI_VENDOR_ID_NVIDIA) {
-		u32 fminterval;
-		int cnt;
+	/* Reset the USB bus, if the controller isn't already in RESET */
+	if (control & OHCI_HCFS) {
+		/* Go into RESET, preserving RWC (and possibly IR) */
+		writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
+		readl(base + OHCI_CONTROL);
 
-		/* drive reset for at least 50 ms (7.1.7.5) */
+		/* drive bus reset for at least 50 ms (7.1.7.5) */
 		msleep(50);
-
-		/* software reset of the controller, preserving HcFmInterval */
-		fminterval = readl(base + OHCI_FMINTERVAL);
-		writel(OHCI_HCR, base + OHCI_CMDSTATUS);
-
-		/* reset requires max 10 us delay */
-		for (cnt = 30; cnt > 0; --cnt) {	/* ... allow extra time */
-			if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0)
-				break;
-			udelay(1);
-		}
-		writel(fminterval, base + OHCI_FMINTERVAL);
-
-		/* Now we're in the SUSPEND state with all devices reset
-		 * and wakeups and interrupts disabled
-		 */
 	}
 
-	/*
-	 * disable interrupts
-	 */
-	writel(~(u32)0, base + OHCI_INTRDISABLE);
-	writel(~(u32)0, base + OHCI_INTRSTATUS);
+	/* software reset of the controller, preserving HcFmInterval */
+	fminterval = readl(base + OHCI_FMINTERVAL);
+	writel(OHCI_HCR, base + OHCI_CMDSTATUS);
 
+	/* reset requires max 10 us delay */
+	for (cnt = 30; cnt > 0; --cnt) {	/* ... allow extra time */
+		if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0)
+			break;
+		udelay(1);
+	}
+	writel(fminterval, base + OHCI_FMINTERVAL);
+
+	/* Now the controller is safely in SUSPEND and nothing can wake it up */
 	iounmap(base);
 }
 
@@ -627,7 +621,7 @@
 	void __iomem *base, *op_reg_base;
 	u32	hcc_params, cap, val;
 	u8	offset, cap_length;
-	int	wait_time, delta, count = 256/4;
+	int	wait_time, count = 256/4;
 
 	if (!mmio_resource_enabled(pdev, 0))
 		return;
@@ -673,11 +667,10 @@
 		writel(val, op_reg_base + EHCI_USBCMD);
 
 		wait_time = 2000;
-		delta = 100;
 		do {
 			writel(0x3f, op_reg_base + EHCI_USBSTS);
-			udelay(delta);
-			wait_time -= delta;
+			udelay(100);
+			wait_time -= 100;
 			val = readl(op_reg_base + EHCI_USBSTS);
 			if ((val == ~(u32)0) || (val & EHCI_USBSTS_HALTED)) {
 				break;
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 42a22b8..0e4b25f 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -982,7 +982,6 @@
 	struct xhci_virt_device *dev;
 	struct xhci_ep_ctx	*ep0_ctx;
 	struct xhci_slot_ctx    *slot_ctx;
-	struct xhci_input_control_ctx *ctrl_ctx;
 	u32			port_num;
 	struct usb_device *top_dev;
 
@@ -994,12 +993,8 @@
 		return -EINVAL;
 	}
 	ep0_ctx = xhci_get_ep_ctx(xhci, dev->in_ctx, 0);
-	ctrl_ctx = xhci_get_input_control_ctx(xhci, dev->in_ctx);
 	slot_ctx = xhci_get_slot_ctx(xhci, dev->in_ctx);
 
-	/* 2) New slot context and endpoint 0 context are valid*/
-	ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG);
-
 	/* 3) Only the control endpoint is valid - one endpoint context */
 	slot_ctx->dev_info |= cpu_to_le32(LAST_CTX(1) | udev->route);
 	switch (udev->speed) {
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 940321b..9f1d4b1 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -816,23 +816,24 @@
 	struct xhci_ring *ring;
 	struct xhci_td *cur_td;
 	int ret, i, j;
+	unsigned long flags;
 
 	ep = (struct xhci_virt_ep *) arg;
 	xhci = ep->xhci;
 
-	spin_lock(&xhci->lock);
+	spin_lock_irqsave(&xhci->lock, flags);
 
 	ep->stop_cmds_pending--;
 	if (xhci->xhc_state & XHCI_STATE_DYING) {
 		xhci_dbg(xhci, "Stop EP timer ran, but another timer marked "
 				"xHCI as DYING, exiting.\n");
-		spin_unlock(&xhci->lock);
+		spin_unlock_irqrestore(&xhci->lock, flags);
 		return;
 	}
 	if (!(ep->stop_cmds_pending == 0 && (ep->ep_state & EP_HALT_PENDING))) {
 		xhci_dbg(xhci, "Stop EP timer ran, but no command pending, "
 				"exiting.\n");
-		spin_unlock(&xhci->lock);
+		spin_unlock_irqrestore(&xhci->lock, flags);
 		return;
 	}
 
@@ -844,11 +845,11 @@
 	xhci->xhc_state |= XHCI_STATE_DYING;
 	/* Disable interrupts from the host controller and start halting it */
 	xhci_quiesce(xhci);
-	spin_unlock(&xhci->lock);
+	spin_unlock_irqrestore(&xhci->lock, flags);
 
 	ret = xhci_halt(xhci);
 
-	spin_lock(&xhci->lock);
+	spin_lock_irqsave(&xhci->lock, flags);
 	if (ret < 0) {
 		/* This is bad; the host is not responding to commands and it's
 		 * not allowing itself to be halted.  At least interrupts are
@@ -896,7 +897,7 @@
 			}
 		}
 	}
-	spin_unlock(&xhci->lock);
+	spin_unlock_irqrestore(&xhci->lock, flags);
 	xhci_dbg(xhci, "Calling usb_hc_died()\n");
 	usb_hc_died(xhci_to_hcd(xhci)->primary_hcd);
 	xhci_dbg(xhci, "xHCI host controller is dead.\n");
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 1ff95a0..aa94c01 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -799,7 +799,7 @@
 	u32			command, temp = 0;
 	struct usb_hcd		*hcd = xhci_to_hcd(xhci);
 	struct usb_hcd		*secondary_hcd;
-	int			retval;
+	int			retval = 0;
 
 	/* Wait a bit if either of the roothubs need to settle from the
 	 * transition into bus suspend.
@@ -809,6 +809,9 @@
 				xhci->bus_state[1].next_statechange))
 		msleep(100);
 
+	set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+	set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
+
 	spin_lock_irq(&xhci->lock);
 	if (xhci->quirks & XHCI_RESET_ON_RESUME)
 		hibernated = true;
@@ -878,20 +881,13 @@
 			return retval;
 		xhci_dbg(xhci, "Start the primary HCD\n");
 		retval = xhci_run(hcd->primary_hcd);
-		if (retval)
-			goto failed_restart;
-
-		xhci_dbg(xhci, "Start the secondary HCD\n");
-		retval = xhci_run(secondary_hcd);
 		if (!retval) {
-			set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-			set_bit(HCD_FLAG_HW_ACCESSIBLE,
-					&xhci->shared_hcd->flags);
+			xhci_dbg(xhci, "Start the secondary HCD\n");
+			retval = xhci_run(secondary_hcd);
 		}
-failed_restart:
 		hcd->state = HC_STATE_SUSPENDED;
 		xhci->shared_hcd->state = HC_STATE_SUSPENDED;
-		return retval;
+		goto done;
 	}
 
 	/* step 4: set Run/Stop bit */
@@ -910,11 +906,14 @@
 	 * Running endpoints by ringing their doorbells
 	 */
 
-	set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-	set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
-
 	spin_unlock_irq(&xhci->lock);
-	return 0;
+
+ done:
+	if (retval == 0) {
+		usb_hcd_resume_root_hub(hcd);
+		usb_hcd_resume_root_hub(xhci->shared_hcd);
+	}
+	return retval;
 }
 #endif	/* CONFIG_PM */
 
@@ -3504,6 +3503,10 @@
 	/* Otherwise, update the control endpoint ring enqueue pointer. */
 	else
 		xhci_copy_ep0_dequeue_into_input_ctx(xhci, udev);
+	ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx);
+	ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG);
+	ctrl_ctx->drop_flags = 0;
+
 	xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id);
 	xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2);
 
@@ -3585,7 +3588,6 @@
 	virt_dev->address = (le32_to_cpu(slot_ctx->dev_state) & DEV_ADDR_MASK)
 		+ 1;
 	/* Zero the input context control for later use */
-	ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx);
 	ctrl_ctx->add_flags = 0;
 	ctrl_ctx->drop_flags = 0;
 
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index fc34b8b..07a0346 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -11,6 +11,7 @@
 	select TWL4030_USB if MACH_OMAP_3430SDP
 	select TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA
 	select USB_OTG_UTILS
+	select USB_GADGET_DUALSPEED
 	tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)'
 	help
 	  Say Y here if your system has a dual role high speed USB
@@ -60,7 +61,7 @@
 
 config USB_MUSB_UX500
 	tristate "U8500 and U5500"
-	depends on (ARCH_U8500 && AB8500_USB) || (ARCH_U5500)
+	depends on (ARCH_U8500 && AB8500_USB)
 
 endchoice
 
diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c
index 08f1d0b6..e233d2b 100644
--- a/drivers/usb/musb/am35x.c
+++ b/drivers/usb/musb/am35x.c
@@ -27,6 +27,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 4da7492..2613bfd 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -27,6 +27,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 20a2873..c1fa12e 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1477,8 +1477,7 @@
 /*-------------------------------------------------------------------------*/
 
 #if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_SOC_OMAP3430) || \
-	defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_U8500) || \
-	defined(CONFIG_ARCH_U5500)
+	defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_U8500)
 
 static irqreturn_t generic_interrupt(int irq, void *__hci)
 {
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index ae4a20a..d51043a 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1999,10 +1999,6 @@
 					nuke(&hw_ep->ep_out, -ESHUTDOWN);
 			}
 		}
-
-		spin_unlock(&musb->lock);
-		driver->disconnect(&musb->g);
-		spin_lock(&musb->lock);
 	}
 }
 
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index d2e2efa..08c679c 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -405,7 +405,7 @@
 /*
  *		platform functions
  */
-static int __devinit usbhs_probe(struct platform_device *pdev)
+static int usbhs_probe(struct platform_device *pdev)
 {
 	struct renesas_usbhs_platform_info *info = pdev->dev.platform_data;
 	struct renesas_usbhs_driver_callback *dfunc;
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 8da685e..ffdf5d1 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -820,7 +820,7 @@
 	if (len % 4) /* 32bit alignment */
 		goto usbhsf_pio_prepare_push;
 
-	if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
+	if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
 		goto usbhsf_pio_prepare_push;
 
 	/* get enable DMA fifo */
@@ -897,7 +897,7 @@
 	if (!fifo)
 		goto usbhsf_pio_prepare_pop;
 
-	if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
+	if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
 		goto usbhsf_pio_prepare_pop;
 
 	ret = usbhsf_fifo_select(pipe, fifo, 0);
diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h
index 8ae3733..6c68755 100644
--- a/drivers/usb/renesas_usbhs/mod.h
+++ b/drivers/usb/renesas_usbhs/mod.h
@@ -143,8 +143,8 @@
  */
 #if	defined(CONFIG_USB_RENESAS_USBHS_HCD) || \
 	defined(CONFIG_USB_RENESAS_USBHS_HCD_MODULE)
-extern int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv);
-extern int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv);
+extern int usbhs_mod_host_probe(struct usbhs_priv *priv);
+extern int usbhs_mod_host_remove(struct usbhs_priv *priv);
 #else
 static inline int usbhs_mod_host_probe(struct usbhs_priv *priv)
 {
@@ -157,8 +157,8 @@
 
 #if	defined(CONFIG_USB_RENESAS_USBHS_UDC) || \
 	defined(CONFIG_USB_RENESAS_USBHS_UDC_MODULE)
-extern int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv);
-extern void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv);
+extern int usbhs_mod_gadget_probe(struct usbhs_priv *priv);
+extern void usbhs_mod_gadget_remove(struct usbhs_priv *priv);
 #else
 static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 {
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index 4cc7ee0..d9717e0 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -830,7 +830,7 @@
 	return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED);
 }
 
-int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv)
+int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 {
 	struct usbhsg_gpriv *gpriv;
 	struct usbhsg_uep *uep;
@@ -927,7 +927,7 @@
 	return ret;
 }
 
-void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv)
+void usbhs_mod_gadget_remove(struct usbhs_priv *priv)
 {
 	struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv);
 
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 1a7208a..bade761 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -103,7 +103,7 @@
 
 	u32	port_stat;	/* USB_PORT_STAT_xxx */
 
-	struct completion	*done;
+	struct completion	setup_ack_done;
 
 	/* see usbhsh_req_alloc/free */
 	struct list_head	ureq_link_active;
@@ -355,6 +355,7 @@
 struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
 					struct usbhsh_device *udev,
 					struct usb_host_endpoint *ep,
+					int dir_in_req,
 					gfp_t mem_flags)
 {
 	struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
@@ -364,27 +365,38 @@
 	struct usbhs_pipe *pipe, *best_pipe;
 	struct device *dev = usbhsh_hcd_to_dev(hcd);
 	struct usb_endpoint_descriptor *desc = &ep->desc;
-	int type, i;
+	int type, i, dir_in;
 	unsigned int min_usr;
 
+	dir_in_req = !!dir_in_req;
+
 	uep = kzalloc(sizeof(struct usbhsh_ep), mem_flags);
 	if (!uep) {
 		dev_err(dev, "usbhsh_ep alloc fail\n");
 		return NULL;
 	}
-	type = usb_endpoint_type(desc);
+
+	if (usb_endpoint_xfer_control(desc)) {
+		best_pipe = usbhsh_hpriv_to_dcp(hpriv);
+		goto usbhsh_endpoint_alloc_find_pipe;
+	}
 
 	/*
 	 * find best pipe for endpoint
 	 * see
 	 *	HARDWARE LIMITATION
 	 */
+	type = usb_endpoint_type(desc);
 	min_usr = ~0;
 	best_pipe = NULL;
-	usbhs_for_each_pipe_with_dcp(pipe, priv, i) {
+	usbhs_for_each_pipe(pipe, priv, i) {
 		if (!usbhs_pipe_type_is(pipe, type))
 			continue;
 
+		dir_in = !!usbhs_pipe_is_dir_in(pipe);
+		if (0 != (dir_in - dir_in_req))
+			continue;
+
 		info = usbhsh_pipe_info(pipe);
 
 		if (min_usr > info->usr_cnt) {
@@ -398,7 +410,7 @@
 		kfree(uep);
 		return NULL;
 	}
-
+usbhsh_endpoint_alloc_find_pipe:
 	/*
 	 * init uep
 	 */
@@ -423,6 +435,7 @@
 	 * see
 	 *  DCPMAXP/PIPEMAXP
 	 */
+	usbhs_pipe_sequence_data0(uep->pipe);
 	usbhs_pipe_config_update(uep->pipe,
 				 usbhsh_device_number(hpriv, udev),
 				 usb_endpoint_num(desc),
@@ -430,7 +443,7 @@
 
 	dev_dbg(dev, "%s [%d-%s](%p)\n", __func__,
 		usbhsh_device_number(hpriv, udev),
-		usbhs_pipe_name(pipe), uep);
+		usbhs_pipe_name(uep->pipe), uep);
 
 	return uep;
 }
@@ -549,8 +562,7 @@
 	 *	usbhsh_irq_setup_ack()
 	 *	usbhsh_irq_setup_err()
 	 */
-	DECLARE_COMPLETION(done);
-	hpriv->done = &done;
+	init_completion(&hpriv->setup_ack_done);
 
 	/* copy original request */
 	memcpy(&req, urb->setup_packet, sizeof(struct usb_ctrlrequest));
@@ -572,8 +584,7 @@
 	/*
 	 * wait setup packet ACK
 	 */
-	wait_for_completion(&done);
-	hpriv->done = NULL;
+	wait_for_completion(&hpriv->setup_ack_done);
 
 	dev_dbg(dev, "%s done\n", __func__);
 }
@@ -724,11 +735,11 @@
 	struct usbhsh_device *udev, *new_udev = NULL;
 	struct usbhs_pipe *pipe;
 	struct usbhsh_ep *uep;
+	int is_dir_in = usb_pipein(urb->pipe);
 
 	int ret;
 
-	dev_dbg(dev, "%s (%s)\n",
-		__func__, usb_pipein(urb->pipe) ? "in" : "out");
+	dev_dbg(dev, "%s (%s)\n", __func__, is_dir_in ? "in" : "out");
 
 	ret = usb_hcd_link_urb_to_ep(hcd, urb);
 	if (ret)
@@ -751,7 +762,8 @@
 	 */
 	uep = usbhsh_ep_to_uep(ep);
 	if (!uep) {
-		uep = usbhsh_endpoint_alloc(hpriv, udev, ep, mem_flags);
+		uep = usbhsh_endpoint_alloc(hpriv, udev, ep,
+					    is_dir_in, mem_flags);
 		if (!uep)
 			goto usbhsh_urb_enqueue_error_free_device;
 	}
@@ -1095,10 +1107,7 @@
 
 	dev_dbg(dev, "setup packet OK\n");
 
-	if (unlikely(!hpriv->done))
-		dev_err(dev, "setup ack happen without necessary data\n");
-	else
-		complete(hpriv->done); /* see usbhsh_urb_enqueue() */
+	complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */
 
 	return 0;
 }
@@ -1111,10 +1120,7 @@
 
 	dev_dbg(dev, "setup packet Err\n");
 
-	if (unlikely(!hpriv->done))
-		dev_err(dev, "setup err happen without necessary data\n");
-	else
-		complete(hpriv->done); /* see usbhsh_urb_enqueue() */
+	complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */
 
 	return 0;
 }
@@ -1221,8 +1227,18 @@
 {
 	struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
 	struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+	struct usbhs_mod *mod = usbhs_mod_get_current(priv);
 	struct device *dev = usbhs_priv_to_dev(priv);
 
+	/*
+	 * disable irq callback
+	 */
+	mod->irq_attch	= NULL;
+	mod->irq_dtch	= NULL;
+	mod->irq_sack	= NULL;
+	mod->irq_sign	= NULL;
+	usbhs_irq_callback_update(priv, mod);
+
 	usb_remove_hcd(hcd);
 
 	/* disable sys */
@@ -1235,7 +1251,7 @@
 	return 0;
 }
 
-int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv)
+int usbhs_mod_host_probe(struct usbhs_priv *priv)
 {
 	struct usbhsh_hpriv *hpriv;
 	struct usb_hcd *hcd;
@@ -1279,7 +1295,6 @@
 	hpriv->mod.stop		= usbhsh_stop;
 	hpriv->pipe_info	= pipe_info;
 	hpriv->pipe_size	= pipe_size;
-	hpriv->done		= NULL;
 	usbhsh_req_list_init(hpriv);
 	usbhsh_port_stat_init(hpriv);
 
@@ -1299,7 +1314,7 @@
 	return -ENOMEM;
 }
 
-int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv)
+int usbhs_mod_host_remove(struct usbhs_priv *priv)
 {
 	struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
 	struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 5cdb9d9..18e875b 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -42,7 +42,7 @@
  * Version information
  */
 
-#define DRIVER_VERSION "v0.6"
+#define DRIVER_VERSION "v0.7"
 #define DRIVER_AUTHOR "Bart Hartgers <bart.hartgers+ark3116@gmail.com>"
 #define DRIVER_DESC "USB ARK3116 serial/IrDA driver"
 #define DRIVER_DEV_DESC "ARK3116 RS232/IrDA"
@@ -380,10 +380,6 @@
 		goto err_out;
 	}
 
-	/* setup termios */
-	if (tty)
-		ark3116_set_termios(tty, port, NULL);
-
 	/* remove any data still left: also clears error state */
 	ark3116_read_reg(serial, UART_RX, buf);
 
@@ -406,6 +402,10 @@
 	/* enable DMA */
 	ark3116_write_reg(port->serial, UART_FCR, UART_FCR_DMA_SELECT);
 
+	/* setup termios */
+	if (tty)
+		ark3116_set_termios(tty, port, NULL);
+
 err_out:
 	kfree(buf);
 	return result;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8fe034d..bd4298b 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2104,13 +2104,19 @@
 
 	cflag = termios->c_cflag;
 
-	/* FIXME -For this cut I don't care if the line is really changing or
-	   not  - so just do the change regardless  - should be able to
-	   compare old_termios and tty->termios */
+	if (old_termios->c_cflag == termios->c_cflag
+	    && old_termios->c_ispeed == termios->c_ispeed
+	    && old_termios->c_ospeed == termios->c_ospeed)
+		goto no_c_cflag_changes;
+
 	/* NOTE These routines can get interrupted by
 	   ftdi_sio_read_bulk_callback  - need to examine what this means -
 	   don't see any problems yet */
 
+	if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
+	    (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
+		goto no_data_parity_stop_changes;
+
 	/* Set number of data bits, parity, stop bits */
 
 	urb_value = 0;
@@ -2151,6 +2157,7 @@
 	}
 
 	/* Now do the baudrate */
+no_data_parity_stop_changes:
 	if ((cflag & CBAUD) == B0) {
 		/* Disable flow control */
 		if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
@@ -2178,6 +2185,7 @@
 
 	/* Set flow control */
 	/* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
+no_c_cflag_changes:
 	if (cflag & CRTSCTS) {
 		dbg("%s Setting to CRTSCTS flow control", __func__);
 		if (usb_control_msg(dev,
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 89ae1f6..d865878 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -156,6 +156,7 @@
 #define HUAWEI_PRODUCT_K4511			0x14CC
 #define HUAWEI_PRODUCT_ETS1220			0x1803
 #define HUAWEI_PRODUCT_E353			0x1506
+#define HUAWEI_PRODUCT_E173S			0x1C05
 
 #define QUANTA_VENDOR_ID			0x0408
 #define QUANTA_PRODUCT_Q101			0xEA02
@@ -316,6 +317,9 @@
 #define ZTE_PRODUCT_AC8710			0xfff1
 #define ZTE_PRODUCT_AC2726			0xfff5
 #define ZTE_PRODUCT_AC8710T			0xffff
+#define ZTE_PRODUCT_MC2718			0xffe8
+#define ZTE_PRODUCT_AD3812			0xffeb
+#define ZTE_PRODUCT_MC2716			0xffed
 
 #define BENQ_VENDOR_ID				0x04a5
 #define BENQ_PRODUCT_H10			0x4068
@@ -468,6 +472,10 @@
 #define YUGA_PRODUCT_CLU528			0x260D
 #define YUGA_PRODUCT_CLU526			0x260F
 
+/* Viettel products */
+#define VIETTEL_VENDOR_ID			0x2262
+#define VIETTEL_PRODUCT_VT1000			0x0002
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
 		OPTION_BLACKLIST_NONE = 0,
@@ -500,6 +508,18 @@
 	.reserved = BIT(4),
 };
 
+static const struct option_blacklist_info zte_ad3812_z_blacklist = {
+	.sendsetup = BIT(0) | BIT(1) | BIT(2),
+};
+
+static const struct option_blacklist_info zte_mc2718_z_blacklist = {
+	.sendsetup = BIT(1) | BIT(2) | BIT(3) | BIT(4),
+};
+
+static const struct option_blacklist_info zte_mc2716_z_blacklist = {
+	.sendsetup = BIT(1) | BIT(2) | BIT(3),
+};
+
 static const struct option_blacklist_info huawei_cdc12_blacklist = {
 	.reserved = BIT(1) | BIT(2),
 };
@@ -622,6 +642,7 @@
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173S, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff),
@@ -1043,6 +1064,12 @@
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710T, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2718, 0xff, 0xff, 0xff),
+	 .driver_info = (kernel_ulong_t)&zte_mc2718_z_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AD3812, 0xff, 0xff, 0xff),
+	 .driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff),
+	 .driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist },
 	{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
 	{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
 	{ USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */
@@ -1141,6 +1168,7 @@
 	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU516) },
 	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU528) },
 	{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU526) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(VIETTEL_VENDOR_ID, VIETTEL_PRODUCT_VT1000, 0xff, 0xff, 0xff) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 9083d1e..fc2d66f 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -91,7 +91,6 @@
 	{ USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) },
 	{ USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) },
 	{ USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) },
-	{ USB_DEVICE(WINCHIPHEAD_VENDOR_ID, WINCHIPHEAD_USBSER_PRODUCT_ID) },
 	{ USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 3d10d7f..c38b8c0 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -145,10 +145,6 @@
 #define ADLINK_VENDOR_ID		0x0b63
 #define ADLINK_ND6530_PRODUCT_ID	0x6530
 
-/* WinChipHead USB->RS 232 adapter */
-#define WINCHIPHEAD_VENDOR_ID		0x4348
-#define WINCHIPHEAD_USBSER_PRODUCT_ID	0x5523
-
 /* SMART USB Serial Adapter */
 #define SMART_VENDOR_ID	0x0b8c
 #define SMART_PRODUCT_ID	0x2303
diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c
index 4dca3ef..9fbe742 100644
--- a/drivers/usb/storage/ene_ub6250.c
+++ b/drivers/usb/storage/ene_ub6250.c
@@ -1762,10 +1762,9 @@
 		result = ene_send_scsi_cmd(us, FDIR_WRITE, scsi_sglist(srb), 1);
 	} else {
 		void *buf;
-		int offset;
+		int offset = 0;
 		u16 PhyBlockAddr;
 		u8 PageNum;
-		u32 result;
 		u16 len, oldphy, newphy;
 
 		buf = kmalloc(blenByte, GFP_KERNEL);
diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c
index 93c1a4d..82dd834 100644
--- a/drivers/usb/storage/protocol.c
+++ b/drivers/usb/storage/protocol.c
@@ -59,7 +59,9 @@
 
 void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us)
 {
-	/* Pad the SCSI command with zeros out to 12 bytes
+	/*
+	 * Pad the SCSI command with zeros out to 12 bytes.  If the
+	 * command already is 12 bytes or longer, leave it alone.
 	 *
 	 * NOTE: This only works because a scsi_cmnd struct field contains
 	 * a unsigned char cmnd[16], so we know we have storage available
@@ -67,9 +69,6 @@
 	for (; srb->cmd_len<12; srb->cmd_len++)
 		srb->cmnd[srb->cmd_len] = 0;
 
-	/* set command length to 12 bytes */
-	srb->cmd_len = 12;
-
 	/* send the command to the transport layer */
 	usb_stor_invoke_transport(srb, us);
 }
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 816ed08..1a61939 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -37,7 +37,7 @@
 
  config VIRTIO_MMIO
  	tristate "Platform bus driver for memory mapped virtio devices (EXPERIMENTAL)"
- 	depends on EXPERIMENTAL
+ 	depends on HAS_IOMEM && EXPERIMENTAL
  	select VIRTIO
  	select VIRTIO_RING
  	---help---
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index acc5e43..7317dc2e 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -118,7 +118,7 @@
 	vring_transport_features(vdev);
 
 	for (i = 0; i < ARRAY_SIZE(vdev->features); i++) {
-		writel(i, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SET);
+		writel(i, vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES_SEL);
 		writel(vdev->features[i],
 				vm_dev->base + VIRTIO_MMIO_GUEST_FEATURES);
 	}
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 3d1bf41..03d1984 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -169,11 +169,29 @@
 	iowrite8(status, vp_dev->ioaddr + VIRTIO_PCI_STATUS);
 }
 
+/* wait for pending irq handlers */
+static void vp_synchronize_vectors(struct virtio_device *vdev)
+{
+	struct virtio_pci_device *vp_dev = to_vp_device(vdev);
+	int i;
+
+	if (vp_dev->intx_enabled)
+		synchronize_irq(vp_dev->pci_dev->irq);
+
+	for (i = 0; i < vp_dev->msix_vectors; ++i)
+		synchronize_irq(vp_dev->msix_entries[i].vector);
+}
+
 static void vp_reset(struct virtio_device *vdev)
 {
 	struct virtio_pci_device *vp_dev = to_vp_device(vdev);
 	/* 0 status means a reset. */
 	iowrite8(0, vp_dev->ioaddr + VIRTIO_PCI_STATUS);
+	/* Flush out the status write, and flush in device writes,
+	 * including MSi-X interrupts, if any. */
+	ioread8(vp_dev->ioaddr + VIRTIO_PCI_STATUS);
+	/* Flush pending VQ/configuration callbacks. */
+	vp_synchronize_vectors(vdev);
 }
 
 /* the notify function used when creating a virt queue */
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 6285867..79fd606 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -314,13 +314,6 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called nuc900_wdt.
 
-config ADX_WATCHDOG
-	tristate "Avionic Design Xanthos watchdog"
-	depends on ARCH_PXA_ADX
-	help
-	  Say Y here if you want support for the watchdog timer on Avionic
-	  Design Xanthos boards.
-
 config TS72XX_WATCHDOG
 	tristate "TS-72XX SBC Watchdog"
 	depends on MACH_TS72XX
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 55bd574..fe893e9 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -51,7 +51,6 @@
 obj-$(CONFIG_COH901327_WATCHDOG) += coh901327_wdt.o
 obj-$(CONFIG_STMP3XXX_WATCHDOG) += stmp3xxx_wdt.o
 obj-$(CONFIG_NUC900_WATCHDOG) += nuc900_wdt.o
-obj-$(CONFIG_ADX_WATCHDOG) += adx_wdt.o
 obj-$(CONFIG_TS72XX_WATCHDOG) += ts72xx_wdt.o
 obj-$(CONFIG_IMX2_WDT) += imx2_wdt.o
 
diff --git a/drivers/watchdog/adx_wdt.c b/drivers/watchdog/adx_wdt.c
deleted file mode 100644
index af6e6b1..0000000
--- a/drivers/watchdog/adx_wdt.c
+++ /dev/null
@@ -1,355 +0,0 @@
-/*
- * Copyright (C) 2008-2009 Avionic Design GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/fs.h>
-#include <linux/gfp.h>
-#include <linux/io.h>
-#include <linux/miscdevice.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
-#include <linux/uaccess.h>
-#include <linux/watchdog.h>
-
-#define WATCHDOG_NAME "adx-wdt"
-
-/* register offsets */
-#define	ADX_WDT_CONTROL		0x00
-#define	ADX_WDT_CONTROL_ENABLE	(1 << 0)
-#define	ADX_WDT_CONTROL_nRESET	(1 << 1)
-#define	ADX_WDT_TIMEOUT		0x08
-
-static struct platform_device *adx_wdt_dev;
-static unsigned long driver_open;
-
-#define	WDT_STATE_STOP	0
-#define	WDT_STATE_START	1
-
-struct adx_wdt {
-	void __iomem *base;
-	unsigned long timeout;
-	unsigned int state;
-	unsigned int wake;
-	spinlock_t lock;
-};
-
-static const struct watchdog_info adx_wdt_info = {
-	.identity = "Avionic Design Xanthos Watchdog",
-	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
-};
-
-static void adx_wdt_start_locked(struct adx_wdt *wdt)
-{
-	u32 ctrl;
-
-	ctrl = readl(wdt->base + ADX_WDT_CONTROL);
-	ctrl |= ADX_WDT_CONTROL_ENABLE;
-	writel(ctrl, wdt->base + ADX_WDT_CONTROL);
-	wdt->state = WDT_STATE_START;
-}
-
-static void adx_wdt_start(struct adx_wdt *wdt)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&wdt->lock, flags);
-	adx_wdt_start_locked(wdt);
-	spin_unlock_irqrestore(&wdt->lock, flags);
-}
-
-static void adx_wdt_stop_locked(struct adx_wdt *wdt)
-{
-	u32 ctrl;
-
-	ctrl = readl(wdt->base + ADX_WDT_CONTROL);
-	ctrl &= ~ADX_WDT_CONTROL_ENABLE;
-	writel(ctrl, wdt->base + ADX_WDT_CONTROL);
-	wdt->state = WDT_STATE_STOP;
-}
-
-static void adx_wdt_stop(struct adx_wdt *wdt)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&wdt->lock, flags);
-	adx_wdt_stop_locked(wdt);
-	spin_unlock_irqrestore(&wdt->lock, flags);
-}
-
-static void adx_wdt_set_timeout(struct adx_wdt *wdt, unsigned long seconds)
-{
-	unsigned long timeout = seconds * 1000;
-	unsigned long flags;
-	unsigned int state;
-
-	spin_lock_irqsave(&wdt->lock, flags);
-	state = wdt->state;
-	adx_wdt_stop_locked(wdt);
-	writel(timeout, wdt->base + ADX_WDT_TIMEOUT);
-
-	if (state == WDT_STATE_START)
-		adx_wdt_start_locked(wdt);
-
-	wdt->timeout = timeout;
-	spin_unlock_irqrestore(&wdt->lock, flags);
-}
-
-static void adx_wdt_get_timeout(struct adx_wdt *wdt, unsigned long *seconds)
-{
-	*seconds = wdt->timeout / 1000;
-}
-
-static void adx_wdt_keepalive(struct adx_wdt *wdt)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&wdt->lock, flags);
-	writel(wdt->timeout, wdt->base + ADX_WDT_TIMEOUT);
-	spin_unlock_irqrestore(&wdt->lock, flags);
-}
-
-static int adx_wdt_open(struct inode *inode, struct file *file)
-{
-	struct adx_wdt *wdt = platform_get_drvdata(adx_wdt_dev);
-
-	if (test_and_set_bit(0, &driver_open))
-		return -EBUSY;
-
-	file->private_data = wdt;
-	adx_wdt_set_timeout(wdt, 30);
-	adx_wdt_start(wdt);
-
-	return nonseekable_open(inode, file);
-}
-
-static int adx_wdt_release(struct inode *inode, struct file *file)
-{
-	struct adx_wdt *wdt = file->private_data;
-
-	adx_wdt_stop(wdt);
-	clear_bit(0, &driver_open);
-
-	return 0;
-}
-
-static long adx_wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	struct adx_wdt *wdt = file->private_data;
-	void __user *argp = (void __user *)arg;
-	unsigned long __user *p = argp;
-	unsigned long seconds = 0;
-	unsigned int options;
-	long ret = -EINVAL;
-
-	switch (cmd) {
-	case WDIOC_GETSUPPORT:
-		if (copy_to_user(argp, &adx_wdt_info, sizeof(adx_wdt_info)))
-			return -EFAULT;
-		else
-			return 0;
-
-	case WDIOC_GETSTATUS:
-	case WDIOC_GETBOOTSTATUS:
-		return put_user(0, p);
-
-	case WDIOC_KEEPALIVE:
-		adx_wdt_keepalive(wdt);
-		return 0;
-
-	case WDIOC_SETTIMEOUT:
-		if (get_user(seconds, p))
-			return -EFAULT;
-
-		adx_wdt_set_timeout(wdt, seconds);
-
-		/* fallthrough */
-	case WDIOC_GETTIMEOUT:
-		adx_wdt_get_timeout(wdt, &seconds);
-		return put_user(seconds, p);
-
-	case WDIOC_SETOPTIONS:
-		if (copy_from_user(&options, argp, sizeof(options)))
-			return -EFAULT;
-
-		if (options & WDIOS_DISABLECARD) {
-			adx_wdt_stop(wdt);
-			ret = 0;
-		}
-
-		if (options & WDIOS_ENABLECARD) {
-			adx_wdt_start(wdt);
-			ret = 0;
-		}
-
-		return ret;
-
-	default:
-		break;
-	}
-
-	return -ENOTTY;
-}
-
-static ssize_t adx_wdt_write(struct file *file, const char __user *data,
-		size_t len, loff_t *ppos)
-{
-	struct adx_wdt *wdt = file->private_data;
-
-	if (len)
-		adx_wdt_keepalive(wdt);
-
-	return len;
-}
-
-static const struct file_operations adx_wdt_fops = {
-	.owner = THIS_MODULE,
-	.llseek = no_llseek,
-	.open = adx_wdt_open,
-	.release = adx_wdt_release,
-	.unlocked_ioctl = adx_wdt_ioctl,
-	.write = adx_wdt_write,
-};
-
-static struct miscdevice adx_wdt_miscdev = {
-	.minor = WATCHDOG_MINOR,
-	.name = "watchdog",
-	.fops = &adx_wdt_fops,
-};
-
-static int __devinit adx_wdt_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	struct adx_wdt *wdt;
-	int ret = 0;
-	u32 ctrl;
-
-	wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL);
-	if (!wdt) {
-		dev_err(&pdev->dev, "cannot allocate WDT structure\n");
-		return -ENOMEM;
-	}
-
-	spin_lock_init(&wdt->lock);
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "cannot obtain I/O memory region\n");
-		return -ENXIO;
-	}
-
-	res = devm_request_mem_region(&pdev->dev, res->start,
-			resource_size(res), res->name);
-	if (!res) {
-		dev_err(&pdev->dev, "cannot request I/O memory region\n");
-		return -ENXIO;
-	}
-
-	wdt->base = devm_ioremap_nocache(&pdev->dev, res->start,
-			resource_size(res));
-	if (!wdt->base) {
-		dev_err(&pdev->dev, "cannot remap I/O memory region\n");
-		return -ENXIO;
-	}
-
-	/* disable watchdog and reboot on timeout */
-	ctrl = readl(wdt->base + ADX_WDT_CONTROL);
-	ctrl &= ~ADX_WDT_CONTROL_ENABLE;
-	ctrl &= ~ADX_WDT_CONTROL_nRESET;
-	writel(ctrl, wdt->base + ADX_WDT_CONTROL);
-
-	platform_set_drvdata(pdev, wdt);
-	adx_wdt_dev = pdev;
-
-	ret = misc_register(&adx_wdt_miscdev);
-	if (ret) {
-		dev_err(&pdev->dev, "cannot register miscdev on minor %d "
-				"(err=%d)\n", WATCHDOG_MINOR, ret);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int __devexit adx_wdt_remove(struct platform_device *pdev)
-{
-	struct adx_wdt *wdt = platform_get_drvdata(pdev);
-
-	misc_deregister(&adx_wdt_miscdev);
-	adx_wdt_stop(wdt);
-	platform_set_drvdata(pdev, NULL);
-
-	return 0;
-}
-
-static void adx_wdt_shutdown(struct platform_device *pdev)
-{
-	struct adx_wdt *wdt = platform_get_drvdata(pdev);
-	adx_wdt_stop(wdt);
-}
-
-#ifdef CONFIG_PM
-static int adx_wdt_suspend(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct adx_wdt *wdt = platform_get_drvdata(pdev);
-
-	wdt->wake = (wdt->state == WDT_STATE_START) ? 1 : 0;
-	adx_wdt_stop(wdt);
-
-	return 0;
-}
-
-static int adx_wdt_resume(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct adx_wdt *wdt = platform_get_drvdata(pdev);
-
-	if (wdt->wake)
-		adx_wdt_start(wdt);
-
-	return 0;
-}
-
-static const struct dev_pm_ops adx_wdt_pm_ops = {
-	.suspend = adx_wdt_suspend,
-	.resume = adx_wdt_resume,
-};
-
-#  define ADX_WDT_PM_OPS	(&adx_wdt_pm_ops)
-#else
-#  define ADX_WDT_PM_OPS	NULL
-#endif
-
-static struct platform_driver adx_wdt_driver = {
-	.probe = adx_wdt_probe,
-	.remove = __devexit_p(adx_wdt_remove),
-	.shutdown = adx_wdt_shutdown,
-	.driver = {
-		.name = WATCHDOG_NAME,
-		.owner = THIS_MODULE,
-		.pm = ADX_WDT_PM_OPS,
-	},
-};
-
-static int __init adx_wdt_init(void)
-{
-	return platform_driver_register(&adx_wdt_driver);
-}
-
-static void __exit adx_wdt_exit(void)
-{
-	platform_driver_unregister(&adx_wdt_driver);
-}
-
-module_init(adx_wdt_init);
-module_exit(adx_wdt_exit);
-
-MODULE_DESCRIPTION("Avionic Design Xanthos Watchdog Driver");
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Thierry Reding <thierry.reding@avionic-design.de>");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 5de7e4f..a79e384 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -401,8 +401,8 @@
 
 	dev_info(dev, "watchdog %sactive, reset %sabled, irq %sabled\n",
 		 (wtcon & S3C2410_WTCON_ENABLE) ?  "" : "in",
-		 (wtcon & S3C2410_WTCON_RSTEN) ? "" : "dis",
-		 (wtcon & S3C2410_WTCON_INTEN) ? "" : "en");
+		 (wtcon & S3C2410_WTCON_RSTEN) ? "en" : "dis",
+		 (wtcon & S3C2410_WTCON_INTEN) ? "en" : "dis");
 
 	return 0;
 
diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c
index 7be3855..e789a47 100644
--- a/drivers/watchdog/wm831x_wdt.c
+++ b/drivers/watchdog/wm831x_wdt.c
@@ -150,7 +150,7 @@
 		if (wm831x_wdt_cfgs[i].time == timeout)
 			break;
 	if (i == ARRAY_SIZE(wm831x_wdt_cfgs))
-		ret = -EINVAL;
+		return -EINVAL;
 
 	ret = wm831x_reg_unlock(wm831x);
 	if (ret == 0) {
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index a767884..31ab82f 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -501,7 +501,7 @@
  * alloc_xenballooned_pages - get pages that have been ballooned out
  * @nr_pages: Number of pages to get
  * @pages: pages returned
- * @highmem: highmem or lowmem pages
+ * @highmem: allow highmem pages
  * @return 0 on success, error otherwise
  */
 int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem)
@@ -511,7 +511,7 @@
 	mutex_lock(&balloon_mutex);
 	while (pgno < nr_pages) {
 		page = balloon_retrieve(highmem);
-		if (page && PageHighMem(page) == highmem) {
+		if (page && (highmem || !PageHighMem(page))) {
 			pages[pgno++] = page;
 		} else {
 			enum bp_state st;
diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c
index f6832f4..e1c4c6e 100644
--- a/drivers/xen/gntalloc.c
+++ b/drivers/xen/gntalloc.c
@@ -135,7 +135,7 @@
 		/* Grant foreign access to the page. */
 		gref->gref_id = gnttab_grant_foreign_access(op->domid,
 			pfn_to_mfn(page_to_pfn(gref->page)), readonly);
-		if (gref->gref_id < 0) {
+		if ((int)gref->gref_id < 0) {
 			rc = gref->gref_id;
 			goto undo;
 		}
@@ -280,7 +280,7 @@
 		goto out;
 	}
 
-	gref_ids = kzalloc(sizeof(gref_ids[0]) * op.count, GFP_TEMPORARY);
+	gref_ids = kcalloc(op.count, sizeof(gref_ids[0]), GFP_TEMPORARY);
 	if (!gref_ids) {
 		rc = -ENOMEM;
 		goto out;
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 3987132..afca14d 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -114,11 +114,11 @@
 	if (NULL == add)
 		return NULL;
 
-	add->grants    = kzalloc(sizeof(add->grants[0])    * count, GFP_KERNEL);
-	add->map_ops   = kzalloc(sizeof(add->map_ops[0])   * count, GFP_KERNEL);
-	add->unmap_ops = kzalloc(sizeof(add->unmap_ops[0]) * count, GFP_KERNEL);
-	add->kmap_ops  = kzalloc(sizeof(add->kmap_ops[0])  * count, GFP_KERNEL);
-	add->pages     = kzalloc(sizeof(add->pages[0])     * count, GFP_KERNEL);
+	add->grants    = kcalloc(count, sizeof(add->grants[0]), GFP_KERNEL);
+	add->map_ops   = kcalloc(count, sizeof(add->map_ops[0]), GFP_KERNEL);
+	add->unmap_ops = kcalloc(count, sizeof(add->unmap_ops[0]), GFP_KERNEL);
+	add->kmap_ops  = kcalloc(count, sizeof(add->kmap_ops[0]), GFP_KERNEL);
+	add->pages     = kcalloc(count, sizeof(add->pages[0]), GFP_KERNEL);
 	if (NULL == add->grants    ||
 	    NULL == add->map_ops   ||
 	    NULL == add->unmap_ops ||
diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
index 81c3ce6..1906125 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -35,6 +35,7 @@
 #include <linux/vmalloc.h>
 #include <linux/export.h>
 #include <asm/xen/hypervisor.h>
+#include <asm/xen/page.h>
 #include <xen/interface/xen.h>
 #include <xen/interface/event_channel.h>
 #include <xen/events.h>
@@ -436,19 +437,20 @@
 int xenbus_map_ring_valloc(struct xenbus_device *dev, int gnt_ref, void **vaddr)
 {
 	struct gnttab_map_grant_ref op = {
-		.flags = GNTMAP_host_map,
+		.flags = GNTMAP_host_map | GNTMAP_contains_pte,
 		.ref   = gnt_ref,
 		.dom   = dev->otherend_id,
 	};
 	struct vm_struct *area;
+	pte_t *pte;
 
 	*vaddr = NULL;
 
-	area = alloc_vm_area(PAGE_SIZE);
+	area = alloc_vm_area(PAGE_SIZE, &pte);
 	if (!area)
 		return -ENOMEM;
 
-	op.host_addr = (unsigned long)area->addr;
+	op.host_addr = arbitrary_virt_to_machine(pte).maddr;
 
 	if (HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, &op, 1))
 		BUG();
@@ -527,6 +529,7 @@
 	struct gnttab_unmap_grant_ref op = {
 		.host_addr = (unsigned long)vaddr,
 	};
+	unsigned int level;
 
 	/* It'd be nice if linux/vmalloc.h provided a find_vm_area(void *addr)
 	 * method so that we don't have to muck with vmalloc internals here.
@@ -548,6 +551,8 @@
 	}
 
 	op.handle = (grant_handle_t)area->phys_addr;
+	op.host_addr = arbitrary_virt_to_machine(
+		lookup_address((unsigned long)vaddr, &level)).maddr;
 
 	if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, &op, 1))
 		BUG();
diff --git a/fs/bio.c b/fs/bio.c
index 41c93c7..b1fe82c 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -337,7 +337,7 @@
  *	RETURNS:
  *	Pointer to new bio on success, NULL on failure.
  */
-struct bio *bio_alloc(gfp_t gfp_mask, int nr_iovecs)
+struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs)
 {
 	struct bio *bio = bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set);
 
@@ -365,7 +365,7 @@
  *   %__GFP_WAIT, the allocation is guaranteed to succeed.
  *
  **/
-struct bio *bio_kmalloc(gfp_t gfp_mask, int nr_iovecs)
+struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned int nr_iovecs)
 {
 	struct bio *bio;
 
@@ -696,7 +696,8 @@
 	kfree(bmd);
 }
 
-static struct bio_map_data *bio_alloc_map_data(int nr_segs, int iov_count,
+static struct bio_map_data *bio_alloc_map_data(int nr_segs,
+					       unsigned int iov_count,
 					       gfp_t gfp_mask)
 {
 	struct bio_map_data *bmd;
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 8855aad..22c64ff 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -683,7 +683,7 @@
 		return PTR_ERR(fspath);
 
 	if (fspath > fspath_min) {
-		ipath->fspath->val[i] = (u64)fspath;
+		ipath->fspath->val[i] = (u64)(unsigned long)fspath;
 		++ipath->fspath->elem_cnt;
 		ipath->fspath->bytes_left = fspath - fspath_min;
 	} else {
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 0fe615e..dede441 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -514,10 +514,25 @@
 				   struct btrfs_root *root,
 				   struct extent_buffer *buf)
 {
+	/* ensure we can see the force_cow */
+	smp_rmb();
+
+	/*
+	 * We do not need to cow a block if
+	 * 1) this block is not created or changed in this transaction;
+	 * 2) this block does not belong to TREE_RELOC tree;
+	 * 3) the root is not forced COW.
+	 *
+	 * What is forced COW:
+	 *    when we create snapshot during commiting the transaction,
+	 *    after we've finished coping src root, we must COW the shared
+	 *    block to ensure the metadata consistency.
+	 */
 	if (btrfs_header_generation(buf) == trans->transid &&
 	    !btrfs_header_flag(buf, BTRFS_HEADER_FLAG_WRITTEN) &&
 	    !(root->root_key.objectid != BTRFS_TREE_RELOC_OBJECTID &&
-	      btrfs_header_flag(buf, BTRFS_HEADER_FLAG_RELOC)))
+	      btrfs_header_flag(buf, BTRFS_HEADER_FLAG_RELOC)) &&
+	    !root->force_cow)
 		return 0;
 	return 1;
 }
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index b9ba59f..04a5dfc 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -848,7 +848,8 @@
 enum btrfs_caching_type {
 	BTRFS_CACHE_NO		= 0,
 	BTRFS_CACHE_STARTED	= 1,
-	BTRFS_CACHE_FINISHED	= 2,
+	BTRFS_CACHE_FAST	= 2,
+	BTRFS_CACHE_FINISHED	= 3,
 };
 
 enum btrfs_disk_cache_state {
@@ -1271,6 +1272,8 @@
 	 * for stat.  It may be used for more later
 	 */
 	dev_t anon_dev;
+
+	int force_cow;
 };
 
 struct btrfs_ioctl_defrag_range_args {
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 62afe5c..632f8f3 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -620,7 +620,7 @@
 
 static int btree_io_failed_hook(struct bio *failed_bio,
 			 struct page *page, u64 start, u64 end,
-			 u64 mirror_num, struct extent_state *state)
+			 int mirror_num, struct extent_state *state)
 {
 	struct extent_io_tree *tree;
 	unsigned long len;
@@ -2573,22 +2573,10 @@
 	int errors = 0;
 	u32 crc;
 	u64 bytenr;
-	int last_barrier = 0;
 
 	if (max_mirrors == 0)
 		max_mirrors = BTRFS_SUPER_MIRROR_MAX;
 
-	/* make sure only the last submit_bh does a barrier */
-	if (do_barriers) {
-		for (i = 0; i < max_mirrors; i++) {
-			bytenr = btrfs_sb_offset(i);
-			if (bytenr + BTRFS_SUPER_INFO_SIZE >=
-			    device->total_bytes)
-				break;
-			last_barrier = i;
-		}
-	}
-
 	for (i = 0; i < max_mirrors; i++) {
 		bytenr = btrfs_sb_offset(i);
 		if (bytenr + BTRFS_SUPER_INFO_SIZE >= device->total_bytes)
@@ -2634,17 +2622,136 @@
 			bh->b_end_io = btrfs_end_buffer_write_sync;
 		}
 
-		if (i == last_barrier && do_barriers)
-			ret = submit_bh(WRITE_FLUSH_FUA, bh);
-		else
-			ret = submit_bh(WRITE_SYNC, bh);
-
+		/*
+		 * we fua the first super.  The others we allow
+		 * to go down lazy.
+		 */
+		ret = submit_bh(WRITE_FUA, bh);
 		if (ret)
 			errors++;
 	}
 	return errors < i ? 0 : -1;
 }
 
+/*
+ * endio for the write_dev_flush, this will wake anyone waiting
+ * for the barrier when it is done
+ */
+static void btrfs_end_empty_barrier(struct bio *bio, int err)
+{
+	if (err) {
+		if (err == -EOPNOTSUPP)
+			set_bit(BIO_EOPNOTSUPP, &bio->bi_flags);
+		clear_bit(BIO_UPTODATE, &bio->bi_flags);
+	}
+	if (bio->bi_private)
+		complete(bio->bi_private);
+	bio_put(bio);
+}
+
+/*
+ * trigger flushes for one the devices.  If you pass wait == 0, the flushes are
+ * sent down.  With wait == 1, it waits for the previous flush.
+ *
+ * any device where the flush fails with eopnotsupp are flagged as not-barrier
+ * capable
+ */
+static int write_dev_flush(struct btrfs_device *device, int wait)
+{
+	struct bio *bio;
+	int ret = 0;
+
+	if (device->nobarriers)
+		return 0;
+
+	if (wait) {
+		bio = device->flush_bio;
+		if (!bio)
+			return 0;
+
+		wait_for_completion(&device->flush_wait);
+
+		if (bio_flagged(bio, BIO_EOPNOTSUPP)) {
+			printk("btrfs: disabling barriers on dev %s\n",
+			       device->name);
+			device->nobarriers = 1;
+		}
+		if (!bio_flagged(bio, BIO_UPTODATE)) {
+			ret = -EIO;
+		}
+
+		/* drop the reference from the wait == 0 run */
+		bio_put(bio);
+		device->flush_bio = NULL;
+
+		return ret;
+	}
+
+	/*
+	 * one reference for us, and we leave it for the
+	 * caller
+	 */
+	device->flush_bio = NULL;;
+	bio = bio_alloc(GFP_NOFS, 0);
+	if (!bio)
+		return -ENOMEM;
+
+	bio->bi_end_io = btrfs_end_empty_barrier;
+	bio->bi_bdev = device->bdev;
+	init_completion(&device->flush_wait);
+	bio->bi_private = &device->flush_wait;
+	device->flush_bio = bio;
+
+	bio_get(bio);
+	submit_bio(WRITE_FLUSH, bio);
+
+	return 0;
+}
+
+/*
+ * send an empty flush down to each device in parallel,
+ * then wait for them
+ */
+static int barrier_all_devices(struct btrfs_fs_info *info)
+{
+	struct list_head *head;
+	struct btrfs_device *dev;
+	int errors = 0;
+	int ret;
+
+	/* send down all the barriers */
+	head = &info->fs_devices->devices;
+	list_for_each_entry_rcu(dev, head, dev_list) {
+		if (!dev->bdev) {
+			errors++;
+			continue;
+		}
+		if (!dev->in_fs_metadata || !dev->writeable)
+			continue;
+
+		ret = write_dev_flush(dev, 0);
+		if (ret)
+			errors++;
+	}
+
+	/* wait for all the barriers */
+	list_for_each_entry_rcu(dev, head, dev_list) {
+		if (!dev->bdev) {
+			errors++;
+			continue;
+		}
+		if (!dev->in_fs_metadata || !dev->writeable)
+			continue;
+
+		ret = write_dev_flush(dev, 1);
+		if (ret)
+			errors++;
+	}
+	if (errors)
+		return -EIO;
+	return 0;
+}
+
 int write_all_supers(struct btrfs_root *root, int max_mirrors)
 {
 	struct list_head *head;
@@ -2666,6 +2773,10 @@
 
 	mutex_lock(&root->fs_info->fs_devices->device_list_mutex);
 	head = &root->fs_info->fs_devices->devices;
+
+	if (do_barriers)
+		barrier_all_devices(root->fs_info);
+
 	list_for_each_entry_rcu(dev, head, dev_list) {
 		if (!dev->bdev) {
 			total_errors++;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b232150..930ae89 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -467,13 +467,59 @@
 			     struct btrfs_root *root,
 			     int load_cache_only)
 {
+	DEFINE_WAIT(wait);
 	struct btrfs_fs_info *fs_info = cache->fs_info;
 	struct btrfs_caching_control *caching_ctl;
 	int ret = 0;
 
-	smp_mb();
-	if (cache->cached != BTRFS_CACHE_NO)
+	caching_ctl = kzalloc(sizeof(*caching_ctl), GFP_NOFS);
+	BUG_ON(!caching_ctl);
+
+	INIT_LIST_HEAD(&caching_ctl->list);
+	mutex_init(&caching_ctl->mutex);
+	init_waitqueue_head(&caching_ctl->wait);
+	caching_ctl->block_group = cache;
+	caching_ctl->progress = cache->key.objectid;
+	atomic_set(&caching_ctl->count, 1);
+	caching_ctl->work.func = caching_thread;
+
+	spin_lock(&cache->lock);
+	/*
+	 * This should be a rare occasion, but this could happen I think in the
+	 * case where one thread starts to load the space cache info, and then
+	 * some other thread starts a transaction commit which tries to do an
+	 * allocation while the other thread is still loading the space cache
+	 * info.  The previous loop should have kept us from choosing this block
+	 * group, but if we've moved to the state where we will wait on caching
+	 * block groups we need to first check if we're doing a fast load here,
+	 * so we can wait for it to finish, otherwise we could end up allocating
+	 * from a block group who's cache gets evicted for one reason or
+	 * another.
+	 */
+	while (cache->cached == BTRFS_CACHE_FAST) {
+		struct btrfs_caching_control *ctl;
+
+		ctl = cache->caching_ctl;
+		atomic_inc(&ctl->count);
+		prepare_to_wait(&ctl->wait, &wait, TASK_UNINTERRUPTIBLE);
+		spin_unlock(&cache->lock);
+
+		schedule();
+
+		finish_wait(&ctl->wait, &wait);
+		put_caching_control(ctl);
+		spin_lock(&cache->lock);
+	}
+
+	if (cache->cached != BTRFS_CACHE_NO) {
+		spin_unlock(&cache->lock);
+		kfree(caching_ctl);
 		return 0;
+	}
+	WARN_ON(cache->caching_ctl);
+	cache->caching_ctl = caching_ctl;
+	cache->cached = BTRFS_CACHE_FAST;
+	spin_unlock(&cache->lock);
 
 	/*
 	 * We can't do the read from on-disk cache during a commit since we need
@@ -484,56 +530,51 @@
 	if (trans && (!trans->transaction->in_commit) &&
 	    (root && root != root->fs_info->tree_root) &&
 	    btrfs_test_opt(root, SPACE_CACHE)) {
-		spin_lock(&cache->lock);
-		if (cache->cached != BTRFS_CACHE_NO) {
-			spin_unlock(&cache->lock);
-			return 0;
-		}
-		cache->cached = BTRFS_CACHE_STARTED;
-		spin_unlock(&cache->lock);
-
 		ret = load_free_space_cache(fs_info, cache);
 
 		spin_lock(&cache->lock);
 		if (ret == 1) {
+			cache->caching_ctl = NULL;
 			cache->cached = BTRFS_CACHE_FINISHED;
 			cache->last_byte_to_unpin = (u64)-1;
 		} else {
-			cache->cached = BTRFS_CACHE_NO;
+			if (load_cache_only) {
+				cache->caching_ctl = NULL;
+				cache->cached = BTRFS_CACHE_NO;
+			} else {
+				cache->cached = BTRFS_CACHE_STARTED;
+			}
 		}
 		spin_unlock(&cache->lock);
+		wake_up(&caching_ctl->wait);
 		if (ret == 1) {
+			put_caching_control(caching_ctl);
 			free_excluded_extents(fs_info->extent_root, cache);
 			return 0;
 		}
-	}
-
-	if (load_cache_only)
-		return 0;
-
-	caching_ctl = kzalloc(sizeof(*caching_ctl), GFP_NOFS);
-	BUG_ON(!caching_ctl);
-
-	INIT_LIST_HEAD(&caching_ctl->list);
-	mutex_init(&caching_ctl->mutex);
-	init_waitqueue_head(&caching_ctl->wait);
-	caching_ctl->block_group = cache;
-	caching_ctl->progress = cache->key.objectid;
-	/* one for caching kthread, one for caching block group list */
-	atomic_set(&caching_ctl->count, 2);
-	caching_ctl->work.func = caching_thread;
-
-	spin_lock(&cache->lock);
-	if (cache->cached != BTRFS_CACHE_NO) {
+	} else {
+		/*
+		 * We are not going to do the fast caching, set cached to the
+		 * appropriate value and wakeup any waiters.
+		 */
+		spin_lock(&cache->lock);
+		if (load_cache_only) {
+			cache->caching_ctl = NULL;
+			cache->cached = BTRFS_CACHE_NO;
+		} else {
+			cache->cached = BTRFS_CACHE_STARTED;
+		}
 		spin_unlock(&cache->lock);
-		kfree(caching_ctl);
+		wake_up(&caching_ctl->wait);
+	}
+
+	if (load_cache_only) {
+		put_caching_control(caching_ctl);
 		return 0;
 	}
-	cache->caching_ctl = caching_ctl;
-	cache->cached = BTRFS_CACHE_STARTED;
-	spin_unlock(&cache->lock);
 
 	down_write(&fs_info->extent_commit_sem);
+	atomic_inc(&caching_ctl->count);
 	list_add_tail(&caching_ctl->list, &fs_info->caching_block_groups);
 	up_write(&fs_info->extent_commit_sem);
 
@@ -5178,13 +5219,15 @@
 		}
 
 have_block_group:
-		if (unlikely(block_group->cached == BTRFS_CACHE_NO)) {
+		cached = block_group_cache_done(block_group);
+		if (unlikely(!cached)) {
 			u64 free_percent;
 
+			found_uncached_bg = true;
 			ret = cache_block_group(block_group, trans,
 						orig_root, 1);
 			if (block_group->cached == BTRFS_CACHE_FINISHED)
-				goto have_block_group;
+				goto alloc;
 
 			free_percent = btrfs_block_group_used(&block_group->item);
 			free_percent *= 100;
@@ -5206,7 +5249,6 @@
 							orig_root, 0);
 				BUG_ON(ret);
 			}
-			found_uncached_bg = true;
 
 			/*
 			 * If loop is set for cached only, try the next block
@@ -5216,10 +5258,7 @@
 				goto loop;
 		}
 
-		cached = block_group_cache_done(block_group);
-		if (unlikely(!cached))
-			found_uncached_bg = true;
-
+alloc:
 		if (unlikely(block_group->ro))
 			goto loop;
 
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 1f87c4d..9472d3d 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2285,8 +2285,8 @@
 				clean_io_failure(start, page);
 		}
 		if (!uptodate) {
-			u64 failed_mirror;
-			failed_mirror = (u64)bio->bi_bdev;
+			int failed_mirror;
+			failed_mirror = (int)(unsigned long)bio->bi_bdev;
 			if (tree->ops && tree->ops->readpage_io_failed_hook)
 				ret = tree->ops->readpage_io_failed_hook(
 						bio, page, start, end,
@@ -3366,6 +3366,9 @@
 		return -ENOMEM;
 	path->leave_spinning = 1;
 
+	start = ALIGN(start, BTRFS_I(inode)->root->sectorsize);
+	len = ALIGN(len, BTRFS_I(inode)->root->sectorsize);
+
 	/*
 	 * lookup the last file extent.  We're not using i_size here
 	 * because there might be preallocation past i_size
@@ -3413,7 +3416,7 @@
 	lock_extent_bits(&BTRFS_I(inode)->io_tree, start, start + len, 0,
 			 &cached_state, GFP_NOFS);
 
-	em = get_extent_skip_holes(inode, off, last_for_get_extent,
+	em = get_extent_skip_holes(inode, start, last_for_get_extent,
 				   get_extent);
 	if (!em)
 		goto out;
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index feb9be0..7604c30 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -70,7 +70,7 @@
 			      unsigned long bio_flags);
 	int (*readpage_io_hook)(struct page *page, u64 start, u64 end);
 	int (*readpage_io_failed_hook)(struct bio *bio, struct page *page,
-				       u64 start, u64 end, u64 failed_mirror,
+				       u64 start, u64 end, int failed_mirror,
 				       struct extent_state *state);
 	int (*writepage_io_failed_hook)(struct bio *bio, struct page *page,
 					u64 start, u64 end,
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 181760f..6e5b7e4 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -351,6 +351,11 @@
 		}
 	}
 
+	for (i = 0; i < io_ctl->num_pages; i++) {
+		clear_page_dirty_for_io(io_ctl->pages[i]);
+		set_page_extent_mapped(io_ctl->pages[i]);
+	}
+
 	return 0;
 }
 
@@ -1844,7 +1849,13 @@
 		info = tree_search_offset(ctl, offset_to_bitmap(ctl, offset),
 					  1, 0);
 		if (!info) {
-			WARN_ON(1);
+			/* the tree logging code might be calling us before we
+			 * have fully loaded the free space rbtree for this
+			 * block group.  So it is possible the entry won't
+			 * be in the rbtree yet at all.  The caching code
+			 * will make sure not to put it in the rbtree if
+			 * the logging code has pinned it.
+			 */
 			goto out_lock;
 		}
 	}
@@ -2451,16 +2462,23 @@
 {
 	struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
 	struct btrfs_free_space *entry;
-	struct rb_node *node;
 	int ret = -ENOSPC;
+	u64 bitmap_offset = offset_to_bitmap(ctl, offset);
 
 	if (ctl->total_bitmaps == 0)
 		return -ENOSPC;
 
 	/*
-	 * First check our cached list of bitmaps and see if there is an entry
-	 * here that will work.
+	 * The bitmap that covers offset won't be in the list unless offset
+	 * is just its start offset.
 	 */
+	entry = list_first_entry(bitmaps, struct btrfs_free_space, list);
+	if (entry->offset != bitmap_offset) {
+		entry = tree_search_offset(ctl, bitmap_offset, 1, 0);
+		if (entry && list_empty(&entry->list))
+			list_add(&entry->list, bitmaps);
+	}
+
 	list_for_each_entry(entry, bitmaps, list) {
 		if (entry->bytes < min_bytes)
 			continue;
@@ -2471,38 +2489,10 @@
 	}
 
 	/*
-	 * If we do have entries on our list and we are here then we didn't find
-	 * anything, so go ahead and get the next entry after the last entry in
-	 * this list and start the search from there.
+	 * The bitmaps list has all the bitmaps that record free space
+	 * starting after offset, so no more search is required.
 	 */
-	if (!list_empty(bitmaps)) {
-		entry = list_entry(bitmaps->prev, struct btrfs_free_space,
-				   list);
-		node = rb_next(&entry->offset_index);
-		if (!node)
-			return -ENOSPC;
-		entry = rb_entry(node, struct btrfs_free_space, offset_index);
-		goto search;
-	}
-
-	entry = tree_search_offset(ctl, offset_to_bitmap(ctl, offset), 0, 1);
-	if (!entry)
-		return -ENOSPC;
-
-search:
-	node = &entry->offset_index;
-	do {
-		entry = rb_entry(node, struct btrfs_free_space, offset_index);
-		node = rb_next(&entry->offset_index);
-		if (!entry->bitmap)
-			continue;
-		if (entry->bytes < min_bytes)
-			continue;
-		ret = btrfs_bitmap_cluster(block_group, entry, cluster, offset,
-					   bytes, min_bytes);
-	} while (ret && node);
-
-	return ret;
+	return -ENOSPC;
 }
 
 /*
@@ -2520,8 +2510,8 @@
 			     u64 offset, u64 bytes, u64 empty_size)
 {
 	struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
-	struct list_head bitmaps;
 	struct btrfs_free_space *entry, *tmp;
+	LIST_HEAD(bitmaps);
 	u64 min_bytes;
 	int ret;
 
@@ -2560,7 +2550,6 @@
 		goto out;
 	}
 
-	INIT_LIST_HEAD(&bitmaps);
 	ret = setup_cluster_no_bitmap(block_group, cluster, &bitmaps, offset,
 				      bytes, min_bytes);
 	if (ret)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 116ab67..526dd51 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6794,11 +6794,13 @@
 			 struct dentry *dentry, struct kstat *stat)
 {
 	struct inode *inode = dentry->d_inode;
+	u32 blocksize = inode->i_sb->s_blocksize;
+
 	generic_fillattr(inode, stat);
 	stat->dev = BTRFS_I(inode)->root->anon_dev;
 	stat->blksize = PAGE_CACHE_SIZE;
-	stat->blocks = (inode_get_bytes(inode) +
-			BTRFS_I(inode)->delalloc_bytes) >> 9;
+	stat->blocks = (ALIGN(inode_get_bytes(inode), blocksize) +
+		ALIGN(BTRFS_I(inode)->delalloc_bytes, blocksize)) >> 9;
 	return 0;
 }
 
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 4a34c47..a90e749 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1216,12 +1216,12 @@
 		*devstr = '\0';
 		devstr = vol_args->name;
 		devid = simple_strtoull(devstr, &end, 10);
-		printk(KERN_INFO "resizing devid %llu\n",
+		printk(KERN_INFO "btrfs: resizing devid %llu\n",
 		       (unsigned long long)devid);
 	}
 	device = btrfs_find_device(root, devid, NULL, NULL);
 	if (!device) {
-		printk(KERN_INFO "resizer unable to find device %llu\n",
+		printk(KERN_INFO "btrfs: resizer unable to find device %llu\n",
 		       (unsigned long long)devid);
 		ret = -EINVAL;
 		goto out_unlock;
@@ -1267,7 +1267,7 @@
 	do_div(new_size, root->sectorsize);
 	new_size *= root->sectorsize;
 
-	printk(KERN_INFO "new size for %s is %llu\n",
+	printk(KERN_INFO "btrfs: new size for %s is %llu\n",
 		device->name, (unsigned long long)new_size);
 
 	if (new_size > old_size) {
@@ -2930,11 +2930,13 @@
 		goto out;
 
 	for (i = 0; i < ipath->fspath->elem_cnt; ++i) {
-		rel_ptr = ipath->fspath->val[i] - (u64)ipath->fspath->val;
+		rel_ptr = ipath->fspath->val[i] -
+			  (u64)(unsigned long)ipath->fspath->val;
 		ipath->fspath->val[i] = rel_ptr;
 	}
 
-	ret = copy_to_user((void *)ipa->fspath, (void *)ipath->fspath, size);
+	ret = copy_to_user((void *)(unsigned long)ipa->fspath,
+			   (void *)(unsigned long)ipath->fspath, size);
 	if (ret) {
 		ret = -EFAULT;
 		goto out;
@@ -3017,7 +3019,8 @@
 	if (ret < 0)
 		goto out;
 
-	ret = copy_to_user((void *)loi->inodes, (void *)inodes, size);
+	ret = copy_to_user((void *)(unsigned long)loi->inodes,
+			   (void *)(unsigned long)inodes, size);
 	if (ret)
 		ret = -EFAULT;
 
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index f4190f2..fab420d 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -272,7 +272,7 @@
 			swarn->logical, swarn->dev->name,
 			(unsigned long long)swarn->sector, root, inum, offset,
 			min(isize - offset, (u64)PAGE_SIZE), nlink,
-			(char *)ipath->fspath->val[i]);
+			(char *)(unsigned long)ipath->fspath->val[i]);
 
 	free_ipath(ipath);
 	return 0;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 8bd9d6d..17ee7fc 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -825,13 +825,9 @@
 static struct dentry *mount_subvol(const char *subvol_name, int flags,
 				   const char *device_name, char *data)
 {
-	struct super_block *s;
 	struct dentry *root;
 	struct vfsmount *mnt;
-	struct mnt_namespace *ns_private;
 	char *newargs;
-	struct path path;
-	int error;
 
 	newargs = setup_root_args(data);
 	if (!newargs)
@@ -842,39 +838,17 @@
 	if (IS_ERR(mnt))
 		return ERR_CAST(mnt);
 
-	ns_private = create_mnt_ns(mnt);
-	if (IS_ERR(ns_private)) {
-		mntput(mnt);
-		return ERR_CAST(ns_private);
-	}
+	root = mount_subtree(mnt, subvol_name);
 
-	/*
-	 * This will trigger the automount of the subvol so we can just
-	 * drop the mnt we have here and return the dentry that we
-	 * found.
-	 */
-	error = vfs_path_lookup(mnt->mnt_root, mnt, subvol_name,
-				LOOKUP_FOLLOW, &path);
-	put_mnt_ns(ns_private);
-	if (error)
-		return ERR_PTR(error);
-
-	if (!is_subvolume_inode(path.dentry->d_inode)) {
-		path_put(&path);
-		mntput(mnt);
-		error = -EINVAL;
+	if (!IS_ERR(root) && !is_subvolume_inode(root->d_inode)) {
+		struct super_block *s = root->d_sb;
+		dput(root);
+		root = ERR_PTR(-EINVAL);
+		deactivate_locked_super(s);
 		printk(KERN_ERR "btrfs: '%s' is not a valid subvolume\n",
 				subvol_name);
-		return ERR_PTR(-EINVAL);
 	}
 
-	/* Get a ref to the sb and the dentry we found and return it */
-	s = path.mnt->mnt_sb;
-	atomic_inc(&s->s_active);
-	root = dget(path.dentry);
-	path_put(&path);
-	down_write(&s->s_umount);
-
 	return root;
 }
 
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 6a0574e..81376d9 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -785,6 +785,10 @@
 
 			btrfs_save_ino_cache(root, trans);
 
+			/* see comments in should_cow_block() */
+			root->force_cow = 0;
+			smp_wmb();
+
 			if (root->commit_root != root->node) {
 				mutex_lock(&root->fs_commit_mutex);
 				switch_commit_root(root);
@@ -947,6 +951,10 @@
 	btrfs_tree_unlock(old);
 	free_extent_buffer(old);
 
+	/* see comments in should_cow_block() */
+	root->force_cow = 1;
+	smp_wmb();
+
 	btrfs_set_root_node(new_root_item, tmp);
 	/* record when the snapshot was created in key.offset */
 	key.offset = trans->transid;
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index ab5b1c4..78f2d4d 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -100,6 +100,12 @@
 	struct reada_zone *reada_curr_zone;
 	struct radix_tree_root reada_zones;
 	struct radix_tree_root reada_extents;
+
+	/* for sending down flush barriers */
+	struct bio *flush_bio;
+	struct completion flush_wait;
+	int nobarriers;
+
 };
 
 struct btrfs_fs_devices {
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 2abd0df..bca3948 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1143,7 +1143,7 @@
 {
 	struct ceph_dentry_info *di;
 
-	dout("d_release %p\n", dentry);
+	dout("ceph_d_prune %p\n", dentry);
 
 	/* do we have a valid parent? */
 	if (!dentry->d_parent || IS_ROOT(dentry))
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index e392bfc..116f365 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1328,12 +1328,13 @@
  */
 void ceph_queue_writeback(struct inode *inode)
 {
+	ihold(inode);
 	if (queue_work(ceph_inode_to_client(inode)->wb_wq,
 		       &ceph_inode(inode)->i_wb_work)) {
 		dout("ceph_queue_writeback %p\n", inode);
-		ihold(inode);
 	} else {
 		dout("ceph_queue_writeback %p failed\n", inode);
+		iput(inode);
 	}
 }
 
@@ -1353,12 +1354,13 @@
  */
 void ceph_queue_invalidate(struct inode *inode)
 {
+	ihold(inode);
 	if (queue_work(ceph_inode_to_client(inode)->pg_inv_wq,
 		       &ceph_inode(inode)->i_pg_inv_work)) {
 		dout("ceph_queue_invalidate %p\n", inode);
-		ihold(inode);
 	} else {
 		dout("ceph_queue_invalidate %p failed\n", inode);
+		iput(inode);
 	}
 }
 
@@ -1434,13 +1436,14 @@
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
+	ihold(inode);
 	if (queue_work(ceph_sb_to_client(inode->i_sb)->trunc_wq,
 		       &ci->i_vmtruncate_work)) {
 		dout("ceph_queue_vmtruncate %p\n", inode);
-		ihold(inode);
 	} else {
 		dout("ceph_queue_vmtruncate %p failed, pending=%d\n",
 		     inode, ci->i_truncate_pending);
+		iput(inode);
 	}
 }
 
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index a90846f..8dc73a5 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -638,10 +638,12 @@
 	if (err == 0) {
 		dout("open_root_inode success\n");
 		if (ceph_ino(req->r_target_inode) == CEPH_INO_ROOT &&
-		    fsc->sb->s_root == NULL)
+		    fsc->sb->s_root == NULL) {
 			root = d_alloc_root(req->r_target_inode);
-		else
+			ceph_init_dentry(root);
+		} else {
 			root = d_obtain_alias(req->r_target_inode);
+		}
 		req->r_target_inode = NULL;
 		dout("open_root_inode success, root dentry is %p\n", root);
 	} else {
diff --git a/fs/dcache.c b/fs/dcache.c
index a901c69..10ba92d 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -36,6 +36,7 @@
 #include <linux/bit_spinlock.h>
 #include <linux/rculist_bl.h>
 #include <linux/prefetch.h>
+#include <linux/ratelimit.h>
 #include "internal.h"
 
 /*
@@ -2383,8 +2384,16 @@
 				actual = __d_unalias(inode, dentry, alias);
 			}
 			write_sequnlock(&rename_lock);
-			if (IS_ERR(actual))
+			if (IS_ERR(actual)) {
+				if (PTR_ERR(actual) == -ELOOP)
+					pr_warn_ratelimited(
+						"VFS: Lookup of '%s' in %s %s"
+						" would have caused loop\n",
+						dentry->d_name.name,
+						inode->i_sb->s_type->name,
+						inode->i_sb->s_id);
 				dput(alias);
+			}
 			goto out_nolock;
 		}
 	}
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 58609bd..2a83425 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -967,7 +967,7 @@
 
 /**
  * ecryptfs_new_file_context
- * @ecryptfs_dentry: The eCryptfs dentry
+ * @ecryptfs_inode: The eCryptfs inode
  *
  * If the crypto context for the file has not yet been established,
  * this is where we do that.  Establishing a new crypto context
@@ -984,13 +984,13 @@
  *
  * Returns zero on success; non-zero otherwise
  */
-int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry)
+int ecryptfs_new_file_context(struct inode *ecryptfs_inode)
 {
 	struct ecryptfs_crypt_stat *crypt_stat =
-	    &ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat;
+	    &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
 	struct ecryptfs_mount_crypt_stat *mount_crypt_stat =
 	    &ecryptfs_superblock_to_private(
-		    ecryptfs_dentry->d_sb)->mount_crypt_stat;
+		    ecryptfs_inode->i_sb)->mount_crypt_stat;
 	int cipher_name_len;
 	int rc = 0;
 
@@ -1299,12 +1299,12 @@
 }
 
 static int
-ecryptfs_write_metadata_to_contents(struct dentry *ecryptfs_dentry,
+ecryptfs_write_metadata_to_contents(struct inode *ecryptfs_inode,
 				    char *virt, size_t virt_len)
 {
 	int rc;
 
-	rc = ecryptfs_write_lower(ecryptfs_dentry->d_inode, virt,
+	rc = ecryptfs_write_lower(ecryptfs_inode, virt,
 				  0, virt_len);
 	if (rc < 0)
 		printk(KERN_ERR "%s: Error attempting to write header "
@@ -1338,7 +1338,8 @@
 
 /**
  * ecryptfs_write_metadata
- * @ecryptfs_dentry: The eCryptfs dentry
+ * @ecryptfs_dentry: The eCryptfs dentry, which should be negative
+ * @ecryptfs_inode: The newly created eCryptfs inode
  *
  * Write the file headers out.  This will likely involve a userspace
  * callout, in which the session key is encrypted with one or more
@@ -1348,10 +1349,11 @@
  *
  * Returns zero on success; non-zero on error
  */
-int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry)
+int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry,
+			    struct inode *ecryptfs_inode)
 {
 	struct ecryptfs_crypt_stat *crypt_stat =
-		&ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat;
+		&ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
 	unsigned int order;
 	char *virt;
 	size_t virt_len;
@@ -1391,7 +1393,7 @@
 		rc = ecryptfs_write_metadata_to_xattr(ecryptfs_dentry, virt,
 						      size);
 	else
-		rc = ecryptfs_write_metadata_to_contents(ecryptfs_dentry, virt,
+		rc = ecryptfs_write_metadata_to_contents(ecryptfs_inode, virt,
 							 virt_len);
 	if (rc) {
 		printk(KERN_ERR "%s: Error writing metadata out to lower file; "
@@ -1943,7 +1945,7 @@
 
 /* We could either offset on every reverse map or just pad some 0x00's
  * at the front here */
-static const unsigned char filename_rev_map[] = {
+static const unsigned char filename_rev_map[256] = {
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 7 */
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 15 */
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 23 */
@@ -1959,7 +1961,7 @@
 	0x00, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, /* 103 */
 	0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, /* 111 */
 	0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, /* 119 */
-	0x3D, 0x3E, 0x3F
+	0x3D, 0x3E, 0x3F /* 123 - 255 initialized to 0x00 */
 };
 
 /**
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 54481a3..a9f29b1 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -584,9 +584,10 @@
 int ecryptfs_write_inode_size_to_metadata(struct inode *ecryptfs_inode);
 int ecryptfs_encrypt_page(struct page *page);
 int ecryptfs_decrypt_page(struct page *page);
-int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry);
+int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry,
+			    struct inode *ecryptfs_inode);
 int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry);
-int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry);
+int ecryptfs_new_file_context(struct inode *ecryptfs_inode);
 void ecryptfs_write_crypt_stat_flags(char *page_virt,
 				     struct ecryptfs_crypt_stat *crypt_stat,
 				     size_t *written);
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index c6ac98c..d3f95f9 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -139,6 +139,27 @@
 	return rc;
 }
 
+static void ecryptfs_vma_close(struct vm_area_struct *vma)
+{
+	filemap_write_and_wait(vma->vm_file->f_mapping);
+}
+
+static const struct vm_operations_struct ecryptfs_file_vm_ops = {
+	.close		= ecryptfs_vma_close,
+	.fault		= filemap_fault,
+};
+
+static int ecryptfs_file_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	int rc;
+
+	rc = generic_file_mmap(file, vma);
+	if (!rc)
+		vma->vm_ops = &ecryptfs_file_vm_ops;
+
+	return rc;
+}
+
 struct kmem_cache *ecryptfs_file_info_cache;
 
 /**
@@ -349,7 +370,7 @@
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = ecryptfs_compat_ioctl,
 #endif
-	.mmap = generic_file_mmap,
+	.mmap = ecryptfs_file_mmap,
 	.open = ecryptfs_open,
 	.flush = ecryptfs_flush,
 	.release = ecryptfs_release,
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index a36d327..32f90a3a 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -172,22 +172,23 @@
  * it. It will also update the eCryptfs directory inode to mimic the
  * stat of the lower directory inode.
  *
- * Returns zero on success; non-zero on error condition
+ * Returns the new eCryptfs inode on success; an ERR_PTR on error condition
  */
-static int
+static struct inode *
 ecryptfs_do_create(struct inode *directory_inode,
 		   struct dentry *ecryptfs_dentry, int mode)
 {
 	int rc;
 	struct dentry *lower_dentry;
 	struct dentry *lower_dir_dentry;
+	struct inode *inode;
 
 	lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
 	lower_dir_dentry = lock_parent(lower_dentry);
 	if (IS_ERR(lower_dir_dentry)) {
 		ecryptfs_printk(KERN_ERR, "Error locking directory of "
 				"dentry\n");
-		rc = PTR_ERR(lower_dir_dentry);
+		inode = ERR_CAST(lower_dir_dentry);
 		goto out;
 	}
 	rc = ecryptfs_create_underlying_file(lower_dir_dentry->d_inode,
@@ -195,20 +196,19 @@
 	if (rc) {
 		printk(KERN_ERR "%s: Failure to create dentry in lower fs; "
 		       "rc = [%d]\n", __func__, rc);
+		inode = ERR_PTR(rc);
 		goto out_lock;
 	}
-	rc = ecryptfs_interpose(lower_dentry, ecryptfs_dentry,
-				directory_inode->i_sb);
-	if (rc) {
-		ecryptfs_printk(KERN_ERR, "Failure in ecryptfs_interpose\n");
+	inode = __ecryptfs_get_inode(lower_dentry->d_inode,
+				     directory_inode->i_sb);
+	if (IS_ERR(inode))
 		goto out_lock;
-	}
 	fsstack_copy_attr_times(directory_inode, lower_dir_dentry->d_inode);
 	fsstack_copy_inode_size(directory_inode, lower_dir_dentry->d_inode);
 out_lock:
 	unlock_dir(lower_dir_dentry);
 out:
-	return rc;
+	return inode;
 }
 
 /**
@@ -219,26 +219,26 @@
  *
  * Returns zero on success
  */
-static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry)
+static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry,
+				    struct inode *ecryptfs_inode)
 {
 	struct ecryptfs_crypt_stat *crypt_stat =
-		&ecryptfs_inode_to_private(ecryptfs_dentry->d_inode)->crypt_stat;
+		&ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;
 	int rc = 0;
 
-	if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) {
+	if (S_ISDIR(ecryptfs_inode->i_mode)) {
 		ecryptfs_printk(KERN_DEBUG, "This is a directory\n");
 		crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED);
 		goto out;
 	}
 	ecryptfs_printk(KERN_DEBUG, "Initializing crypto context\n");
-	rc = ecryptfs_new_file_context(ecryptfs_dentry);
+	rc = ecryptfs_new_file_context(ecryptfs_inode);
 	if (rc) {
 		ecryptfs_printk(KERN_ERR, "Error creating new file "
 				"context; rc = [%d]\n", rc);
 		goto out;
 	}
-	rc = ecryptfs_get_lower_file(ecryptfs_dentry,
-				     ecryptfs_dentry->d_inode);
+	rc = ecryptfs_get_lower_file(ecryptfs_dentry, ecryptfs_inode);
 	if (rc) {
 		printk(KERN_ERR "%s: Error attempting to initialize "
 			"the lower file for the dentry with name "
@@ -246,10 +246,10 @@
 			ecryptfs_dentry->d_name.name, rc);
 		goto out;
 	}
-	rc = ecryptfs_write_metadata(ecryptfs_dentry);
+	rc = ecryptfs_write_metadata(ecryptfs_dentry, ecryptfs_inode);
 	if (rc)
 		printk(KERN_ERR "Error writing headers; rc = [%d]\n", rc);
-	ecryptfs_put_lower_file(ecryptfs_dentry->d_inode);
+	ecryptfs_put_lower_file(ecryptfs_inode);
 out:
 	return rc;
 }
@@ -269,18 +269,28 @@
 ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry,
 		int mode, struct nameidata *nd)
 {
+	struct inode *ecryptfs_inode;
 	int rc;
 
-	/* ecryptfs_do_create() calls ecryptfs_interpose() */
-	rc = ecryptfs_do_create(directory_inode, ecryptfs_dentry, mode);
-	if (unlikely(rc)) {
+	ecryptfs_inode = ecryptfs_do_create(directory_inode, ecryptfs_dentry,
+					    mode);
+	if (unlikely(IS_ERR(ecryptfs_inode))) {
 		ecryptfs_printk(KERN_WARNING, "Failed to create file in"
 				"lower filesystem\n");
+		rc = PTR_ERR(ecryptfs_inode);
 		goto out;
 	}
 	/* At this point, a file exists on "disk"; we need to make sure
 	 * that this on disk file is prepared to be an ecryptfs file */
-	rc = ecryptfs_initialize_file(ecryptfs_dentry);
+	rc = ecryptfs_initialize_file(ecryptfs_dentry, ecryptfs_inode);
+	if (rc) {
+		drop_nlink(ecryptfs_inode);
+		unlock_new_inode(ecryptfs_inode);
+		iput(ecryptfs_inode);
+		goto out;
+	}
+	d_instantiate(ecryptfs_dentry, ecryptfs_inode);
+	unlock_new_inode(ecryptfs_inode);
 out:
 	return rc;
 }
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index f6dba45..12ccacd 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -565,7 +565,7 @@
 	brelse(bitmap_bh);
 	printk(KERN_DEBUG "ext4_count_free_clusters: stored = %llu"
 	       ", computed = %llu, %llu\n",
-	       EXT4_B2C(sbi, ext4_free_blocks_count(es)),
+	       EXT4_B2C(EXT4_SB(sb), ext4_free_blocks_count(es)),
 	       desc_count, bitmap_count);
 	return bitmap_count;
 #else
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 240f6e2..fffec40 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2270,6 +2270,7 @@
 			ext4_msg(inode->i_sb, KERN_CRIT, "%s: jbd2_start: "
 			       "%ld pages, ino %lu; err %d", __func__,
 				wbc->nr_to_write, inode->i_ino, ret);
+			blk_finish_plug(&plug);
 			goto out_writepages;
 		}
 
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9953d80..3858767 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1683,7 +1683,9 @@
 			data_opt = EXT4_MOUNT_WRITEBACK_DATA;
 		datacheck:
 			if (is_remount) {
-				if (test_opt(sb, DATA_FLAGS) != data_opt) {
+				if (!sbi->s_journal)
+					ext4_msg(sb, KERN_WARNING, "Remounting file system with no journal so ignoring journalled data option");
+				else if (test_opt(sb, DATA_FLAGS) != data_opt) {
 					ext4_msg(sb, KERN_ERR,
 						"Cannot change data mode on remount");
 					return 0;
@@ -3099,8 +3101,6 @@
 }
 
 static int ext4_fill_super(struct super_block *sb, void *data, int silent)
-				__releases(kernel_lock)
-				__acquires(kernel_lock)
 {
 	char *orig_data = kstrdup(data, GFP_KERNEL);
 	struct buffer_head *bh;
diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c
index 3f32bcb..ef175cb 100644
--- a/fs/minix/bitmap.c
+++ b/fs/minix/bitmap.c
@@ -16,38 +16,26 @@
 #include <linux/bitops.h>
 #include <linux/sched.h>
 
-static const int nibblemap[] = { 4,3,3,2,3,2,2,1,3,2,2,1,2,1,1,0 };
-
 static DEFINE_SPINLOCK(bitmap_lock);
 
-static unsigned long count_free(struct buffer_head *map[], unsigned numblocks, __u32 numbits)
+/*
+ * bitmap consists of blocks filled with 16bit words
+ * bit set == busy, bit clear == free
+ * endianness is a mess, but for counting zero bits it really doesn't matter...
+ */
+static __u32 count_free(struct buffer_head *map[], unsigned blocksize, __u32 numbits)
 {
-	unsigned i, j, sum = 0;
-	struct buffer_head *bh;
-  
-	for (i=0; i<numblocks-1; i++) {
-		if (!(bh=map[i])) 
-			return(0);
-		for (j=0; j<bh->b_size; j++)
-			sum += nibblemap[bh->b_data[j] & 0xf]
-				+ nibblemap[(bh->b_data[j]>>4) & 0xf];
+	__u32 sum = 0;
+	unsigned blocks = DIV_ROUND_UP(numbits, blocksize * 8);
+
+	while (blocks--) {
+		unsigned words = blocksize / 2;
+		__u16 *p = (__u16 *)(*map++)->b_data;
+		while (words--)
+			sum += 16 - hweight16(*p++);
 	}
 
-	if (numblocks==0 || !(bh=map[numblocks-1]))
-		return(0);
-	i = ((numbits - (numblocks-1) * bh->b_size * 8) / 16) * 2;
-	for (j=0; j<i; j++) {
-		sum += nibblemap[bh->b_data[j] & 0xf]
-			+ nibblemap[(bh->b_data[j]>>4) & 0xf];
-	}
-
-	i = numbits%16;
-	if (i!=0) {
-		i = *(__u16 *)(&bh->b_data[j]) | ~((1<<i) - 1);
-		sum += nibblemap[i & 0xf] + nibblemap[(i>>4) & 0xf];
-		sum += nibblemap[(i>>8) & 0xf] + nibblemap[(i>>12) & 0xf];
-	}
-	return(sum);
+	return sum;
 }
 
 void minix_free_block(struct inode *inode, unsigned long block)
@@ -105,10 +93,12 @@
 	return 0;
 }
 
-unsigned long minix_count_free_blocks(struct minix_sb_info *sbi)
+unsigned long minix_count_free_blocks(struct super_block *sb)
 {
-	return (count_free(sbi->s_zmap, sbi->s_zmap_blocks,
-		sbi->s_nzones - sbi->s_firstdatazone + 1)
+	struct minix_sb_info *sbi = minix_sb(sb);
+	u32 bits = sbi->s_nzones - (sbi->s_firstdatazone + 1);
+
+	return (count_free(sbi->s_zmap, sb->s_blocksize, bits)
 		<< sbi->s_log_zone_size);
 }
 
@@ -273,7 +263,10 @@
 	return inode;
 }
 
-unsigned long minix_count_free_inodes(struct minix_sb_info *sbi)
+unsigned long minix_count_free_inodes(struct super_block *sb)
 {
-	return count_free(sbi->s_imap, sbi->s_imap_blocks, sbi->s_ninodes + 1);
+	struct minix_sb_info *sbi = minix_sb(sb);
+	u32 bits = sbi->s_ninodes + 1;
+
+	return count_free(sbi->s_imap, sb->s_blocksize, bits);
 }
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index 64cdcd6..1d9e339 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -279,6 +279,27 @@
  	else if (sbi->s_mount_state & MINIX_ERROR_FS)
 		printk("MINIX-fs: mounting file system with errors, "
 			"running fsck is recommended\n");
+
+	/* Apparently minix can create filesystems that allocate more blocks for
+	 * the bitmaps than needed.  We simply ignore that, but verify it didn't
+	 * create one with not enough blocks and bail out if so.
+	 */
+	block = minix_blocks_needed(sbi->s_ninodes, s->s_blocksize);
+	if (sbi->s_imap_blocks < block) {
+		printk("MINIX-fs: file system does not have enough "
+				"imap blocks allocated.  Refusing to mount\n");
+		goto out_iput;
+	}
+
+	block = minix_blocks_needed(
+			(sbi->s_nzones - (sbi->s_firstdatazone + 1)),
+			s->s_blocksize);
+	if (sbi->s_zmap_blocks < block) {
+		printk("MINIX-fs: file system does not have enough "
+				"zmap blocks allocated.  Refusing to mount.\n");
+		goto out_iput;
+	}
+
 	return 0;
 
 out_iput:
@@ -339,10 +360,10 @@
 	buf->f_type = sb->s_magic;
 	buf->f_bsize = sb->s_blocksize;
 	buf->f_blocks = (sbi->s_nzones - sbi->s_firstdatazone) << sbi->s_log_zone_size;
-	buf->f_bfree = minix_count_free_blocks(sbi);
+	buf->f_bfree = minix_count_free_blocks(sb);
 	buf->f_bavail = buf->f_bfree;
 	buf->f_files = sbi->s_ninodes;
-	buf->f_ffree = minix_count_free_inodes(sbi);
+	buf->f_ffree = minix_count_free_inodes(sb);
 	buf->f_namelen = sbi->s_namelen;
 	buf->f_fsid.val[0] = (u32)id;
 	buf->f_fsid.val[1] = (u32)(id >> 32);
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index 341e212..26bbd55 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -48,10 +48,10 @@
 extern struct minix2_inode * minix_V2_raw_inode(struct super_block *, ino_t, struct buffer_head **);
 extern struct inode * minix_new_inode(const struct inode *, int, int *);
 extern void minix_free_inode(struct inode * inode);
-extern unsigned long minix_count_free_inodes(struct minix_sb_info *sbi);
+extern unsigned long minix_count_free_inodes(struct super_block *sb);
 extern int minix_new_block(struct inode * inode);
 extern void minix_free_block(struct inode *inode, unsigned long block);
-extern unsigned long minix_count_free_blocks(struct minix_sb_info *sbi);
+extern unsigned long minix_count_free_blocks(struct super_block *sb);
 extern int minix_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 extern int minix_prepare_chunk(struct page *page, loff_t pos, unsigned len);
 
@@ -88,6 +88,11 @@
 	return list_entry(inode, struct minix_inode_info, vfs_inode);
 }
 
+static inline unsigned minix_blocks_needed(unsigned bits, unsigned blocksize)
+{
+	return DIV_ROUND_UP(bits, blocksize * 8);
+}
+
 #if defined(CONFIG_MINIX_FS_NATIVE_ENDIAN) && \
 	defined(CONFIG_MINIX_FS_BIG_ENDIAN_16BIT_INDEXED)
 
@@ -125,7 +130,7 @@
 	if (!size)
 		return 0;
 
-	size = (size >> 4) + ((size & 15) > 0);
+	size >>= 4;
 	while (*p++ == 0xffff) {
 		if (--size == 0)
 			return (p - addr) << 4;
diff --git a/fs/namespace.c b/fs/namespace.c
index e5e1c7d..6d3a196 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2483,11 +2483,43 @@
 		__mnt_make_longterm(mnt);
 		new_ns->root = mnt;
 		list_add(&new_ns->list, &new_ns->root->mnt_list);
+	} else {
+		mntput(mnt);
 	}
 	return new_ns;
 }
 EXPORT_SYMBOL(create_mnt_ns);
 
+struct dentry *mount_subtree(struct vfsmount *mnt, const char *name)
+{
+	struct mnt_namespace *ns;
+	struct super_block *s;
+	struct path path;
+	int err;
+
+	ns = create_mnt_ns(mnt);
+	if (IS_ERR(ns))
+		return ERR_CAST(ns);
+
+	err = vfs_path_lookup(mnt->mnt_root, mnt,
+			name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path);
+
+	put_mnt_ns(ns);
+
+	if (err)
+		return ERR_PTR(err);
+
+	/* trade a vfsmount reference for active sb one */
+	s = path.mnt->mnt_sb;
+	atomic_inc(&s->s_active);
+	mntput(path.mnt);
+	/* lock the sucker */
+	down_write(&s->s_umount);
+	/* ... and return the root of (sub)tree on it */
+	return path.dentry;
+}
+EXPORT_SYMBOL(mount_subtree);
+
 SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
 		char __user *, type, unsigned long, flags, void __user *, data)
 {
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index b238d95..ac28990 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1468,12 +1468,12 @@
 				res = NULL;
 				goto out;
 			/* This turned out not to be a regular file */
+			case -EISDIR:
 			case -ENOTDIR:
 				goto no_open;
 			case -ELOOP:
 				if (!(nd->intent.open.flags & O_NOFOLLOW))
 					goto no_open;
-			/* case -EISDIR: */
 			/* case -EINVAL: */
 			default:
 				res = ERR_CAST(inode);
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 0a1f831..eca56d4 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -40,48 +40,8 @@
 
 #define NFSDBG_FACILITY		NFSDBG_FILE
 
-static int nfs_file_open(struct inode *, struct file *);
-static int nfs_file_release(struct inode *, struct file *);
-static loff_t nfs_file_llseek(struct file *file, loff_t offset, int origin);
-static int  nfs_file_mmap(struct file *, struct vm_area_struct *);
-static ssize_t nfs_file_splice_read(struct file *filp, loff_t *ppos,
-					struct pipe_inode_info *pipe,
-					size_t count, unsigned int flags);
-static ssize_t nfs_file_read(struct kiocb *, const struct iovec *iov,
-				unsigned long nr_segs, loff_t pos);
-static ssize_t nfs_file_splice_write(struct pipe_inode_info *pipe,
-					struct file *filp, loff_t *ppos,
-					size_t count, unsigned int flags);
-static ssize_t nfs_file_write(struct kiocb *, const struct iovec *iov,
-				unsigned long nr_segs, loff_t pos);
-static int  nfs_file_flush(struct file *, fl_owner_t id);
-static int  nfs_file_fsync(struct file *, loff_t, loff_t, int datasync);
-static int nfs_check_flags(int flags);
-static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl);
-static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl);
-static int nfs_setlease(struct file *file, long arg, struct file_lock **fl);
-
 static const struct vm_operations_struct nfs_file_vm_ops;
 
-const struct file_operations nfs_file_operations = {
-	.llseek		= nfs_file_llseek,
-	.read		= do_sync_read,
-	.write		= do_sync_write,
-	.aio_read	= nfs_file_read,
-	.aio_write	= nfs_file_write,
-	.mmap		= nfs_file_mmap,
-	.open		= nfs_file_open,
-	.flush		= nfs_file_flush,
-	.release	= nfs_file_release,
-	.fsync		= nfs_file_fsync,
-	.lock		= nfs_lock,
-	.flock		= nfs_flock,
-	.splice_read	= nfs_file_splice_read,
-	.splice_write	= nfs_file_splice_write,
-	.check_flags	= nfs_check_flags,
-	.setlease	= nfs_setlease,
-};
-
 const struct inode_operations nfs_file_inode_operations = {
 	.permission	= nfs_permission,
 	.getattr	= nfs_getattr,
@@ -886,3 +846,54 @@
 			file->f_path.dentry->d_name.name, arg);
 	return -EINVAL;
 }
+
+const struct file_operations nfs_file_operations = {
+	.llseek		= nfs_file_llseek,
+	.read		= do_sync_read,
+	.write		= do_sync_write,
+	.aio_read	= nfs_file_read,
+	.aio_write	= nfs_file_write,
+	.mmap		= nfs_file_mmap,
+	.open		= nfs_file_open,
+	.flush		= nfs_file_flush,
+	.release	= nfs_file_release,
+	.fsync		= nfs_file_fsync,
+	.lock		= nfs_lock,
+	.flock		= nfs_flock,
+	.splice_read	= nfs_file_splice_read,
+	.splice_write	= nfs_file_splice_write,
+	.check_flags	= nfs_check_flags,
+	.setlease	= nfs_setlease,
+};
+
+#ifdef CONFIG_NFS_V4
+static int
+nfs4_file_open(struct inode *inode, struct file *filp)
+{
+	/*
+	 * NFSv4 opens are handled in d_lookup and d_revalidate. If we get to
+	 * this point, then something is very wrong
+	 */
+	dprintk("NFS: %s called! inode=%p filp=%p\n", __func__, inode, filp);
+	return -ENOTDIR;
+}
+
+const struct file_operations nfs4_file_operations = {
+	.llseek		= nfs_file_llseek,
+	.read		= do_sync_read,
+	.write		= do_sync_write,
+	.aio_read	= nfs_file_read,
+	.aio_write	= nfs_file_write,
+	.mmap		= nfs_file_mmap,
+	.open		= nfs4_file_open,
+	.flush		= nfs_file_flush,
+	.release	= nfs_file_release,
+	.fsync		= nfs_file_fsync,
+	.lock		= nfs_lock,
+	.flock		= nfs_flock,
+	.splice_read	= nfs_file_splice_read,
+	.splice_write	= nfs_file_splice_write,
+	.check_flags	= nfs_check_flags,
+	.setlease	= nfs_setlease,
+};
+#endif /* CONFIG_NFS_V4 */
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index c07a55a..50a15fa 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -291,7 +291,7 @@
 		 */
 		inode->i_op = NFS_SB(sb)->nfs_client->rpc_ops->file_inode_ops;
 		if (S_ISREG(inode->i_mode)) {
-			inode->i_fop = &nfs_file_operations;
+			inode->i_fop = NFS_SB(sb)->nfs_client->rpc_ops->file_ops;
 			inode->i_data.a_ops = &nfs_file_aops;
 			inode->i_data.backing_dev_info = &NFS_SB(sb)->backing_dev_info;
 		} else if (S_ISDIR(inode->i_mode)) {
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index c1a1bd8..3f4d957 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -299,6 +299,8 @@
 extern int nfs_generic_pagein(struct nfs_pageio_descriptor *desc,
 		struct list_head *head);
 
+extern void nfs_pageio_init_read_mds(struct nfs_pageio_descriptor *pgio,
+		struct inode *inode);
 extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio);
 extern void nfs_readdata_release(struct nfs_read_data *rdata);
 
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 85f1690..d4bc9ed9 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -853,6 +853,7 @@
 	.dentry_ops	= &nfs_dentry_operations,
 	.dir_inode_ops	= &nfs3_dir_inode_operations,
 	.file_inode_ops	= &nfs3_file_inode_operations,
+	.file_ops	= &nfs_file_operations,
 	.getroot	= nfs3_proc_get_root,
 	.getattr	= nfs3_proc_getattr,
 	.setattr	= nfs3_proc_setattr,
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index b60fddf..be2bbac 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2464,8 +2464,7 @@
 		case -NFS4ERR_BADNAME:
 			return -ENOENT;
 		case -NFS4ERR_MOVED:
-			err = nfs4_get_referral(dir, name, fattr, fhandle);
-			break;
+			return nfs4_get_referral(dir, name, fattr, fhandle);
 		case -NFS4ERR_WRONGSEC:
 			nfs_fixup_secinfo_attributes(fattr, fhandle);
 		}
@@ -6253,6 +6252,7 @@
 	.dentry_ops	= &nfs4_dentry_operations,
 	.dir_inode_ops	= &nfs4_dir_inode_operations,
 	.file_inode_ops	= &nfs4_file_inode_operations,
+	.file_ops	= &nfs4_file_operations,
 	.getroot	= nfs4_proc_get_root,
 	.getattr	= nfs4_proc_getattr,
 	.setattr	= nfs4_proc_setattr,
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index baf7353..8e672a2 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1260,6 +1260,25 @@
 }
 EXPORT_SYMBOL_GPL(pnfs_generic_pg_writepages);
 
+static void pnfs_ld_handle_read_error(struct nfs_read_data *data)
+{
+	struct nfs_pageio_descriptor pgio;
+
+	put_lseg(data->lseg);
+	data->lseg = NULL;
+	dprintk("pnfs write error = %d\n", data->pnfs_error);
+
+	nfs_pageio_init_read_mds(&pgio, data->inode);
+
+	while (!list_empty(&data->pages)) {
+		struct nfs_page *req = nfs_list_entry(data->pages.next);
+
+		nfs_list_remove_request(req);
+		nfs_pageio_add_request(&pgio, req);
+	}
+	nfs_pageio_complete(&pgio);
+}
+
 /*
  * Called by non rpc-based layout drivers
  */
@@ -1268,11 +1287,8 @@
 	if (likely(!data->pnfs_error)) {
 		__nfs4_read_done_cb(data);
 		data->mds_ops->rpc_call_done(&data->task, data);
-	} else {
-		put_lseg(data->lseg);
-		data->lseg = NULL;
-		dprintk("pnfs write error = %d\n", data->pnfs_error);
-	}
+	} else
+		pnfs_ld_handle_read_error(data);
 	data->mds_ops->rpc_release(data);
 }
 EXPORT_SYMBOL_GPL(pnfs_ld_read_done);
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index ac40b85..f48125d 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -710,6 +710,7 @@
 	.dentry_ops	= &nfs_dentry_operations,
 	.dir_inode_ops	= &nfs_dir_inode_operations,
 	.file_inode_ops	= &nfs_file_inode_operations,
+	.file_ops	= &nfs_file_operations,
 	.getroot	= nfs_proc_get_root,
 	.getattr	= nfs_proc_getattr,
 	.setattr	= nfs_proc_setattr,
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 8b48ec6..cfa175c 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -109,7 +109,7 @@
 	}
 }
 
-static void nfs_pageio_init_read_mds(struct nfs_pageio_descriptor *pgio,
+void nfs_pageio_init_read_mds(struct nfs_pageio_descriptor *pgio,
 		struct inode *inode)
 {
 	nfs_pageio_init(pgio, inode, &nfs_pageio_read_ops,
@@ -534,23 +534,13 @@
 static void nfs_readpage_release_full(void *calldata)
 {
 	struct nfs_read_data *data = calldata;
-	struct nfs_pageio_descriptor pgio;
 
-	if (data->pnfs_error) {
-		nfs_pageio_init_read_mds(&pgio, data->inode);
-		pgio.pg_recoalesce = 1;
-	}
 	while (!list_empty(&data->pages)) {
 		struct nfs_page *req = nfs_list_entry(data->pages.next);
 
 		nfs_list_remove_request(req);
-		if (!data->pnfs_error)
-			nfs_readpage_release(req);
-		else
-			nfs_pageio_add_request(&pgio, req);
+		nfs_readpage_release(req);
 	}
-	if (data->pnfs_error)
-		nfs_pageio_complete(&pgio);
 	nfs_readdata_release(calldata);
 }
 
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 480b3b6..1347774 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2787,43 +2787,18 @@
 static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt,
 		const char *export_path)
 {
-	struct mnt_namespace *ns_private;
-	struct super_block *s;
 	struct dentry *dentry;
-	struct path path;
-	int ret;
+	int ret = nfs_referral_loop_protect();
 
-	ns_private = create_mnt_ns(root_mnt);
-	ret = PTR_ERR(ns_private);
-	if (IS_ERR(ns_private))
-		goto out_mntput;
+	if (ret) {
+		mntput(root_mnt);
+		return ERR_PTR(ret);
+	}
 
-	ret = nfs_referral_loop_protect();
-	if (ret != 0)
-		goto out_put_mnt_ns;
-
-	ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt,
-			export_path, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path);
-
+	dentry = mount_subtree(root_mnt, export_path);
 	nfs_referral_loop_unprotect();
-	put_mnt_ns(ns_private);
 
-	if (ret != 0)
-		goto out_err;
-
-	s = path.mnt->mnt_sb;
-	atomic_inc(&s->s_active);
-	dentry = dget(path.dentry);
-
-	path_put(&path);
-	down_write(&s->s_umount);
 	return dentry;
-out_put_mnt_ns:
-	put_mnt_ns(ns_private);
-out_mntput:
-	mntput(root_mnt);
-out_err:
-	return ERR_PTR(ret);
 }
 
 static struct dentry *nfs4_try_mount(int flags, const char *dev_name,
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 5cff443..0bbb1a4 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -674,7 +674,8 @@
 	 * disk and we didn't ask it to allocate;
 	 * ESRCH if quotas got turned off suddenly.
 	 */
-	error = xfs_qm_dqget(ip->i_mount, ip, id, type, XFS_QMOPT_DOWARN, &dqp);
+	error = xfs_qm_dqget(ip->i_mount, ip, id, type,
+			     doalloc | XFS_QMOPT_DOWARN, &dqp);
 	if (error)
 		return error;
 
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h
index d30bedf..ddd46db 100644
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -235,6 +235,8 @@
 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
 
+#define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
+
 /*
  * Mark a region of a framebuffer as dirty.
  *
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 3d53efd..f81676f 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -4,6 +4,7 @@
 */
 #define radeon_PCI_IDS \
 	{0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
+	{0x1002, 0x3151, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x3152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x3154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x3155, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -55,6 +56,7 @@
 	{0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
+	{0x1002, 0x4C6E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x4E44, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
 	{0x1002, 0x4E45, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
 	{0x1002, 0x4E46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index b65be60..be94be6 100644
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -874,6 +874,10 @@
 
 #define RADEON_CHUNK_ID_RELOCS	0x01
 #define RADEON_CHUNK_ID_IB	0x02
+#define RADEON_CHUNK_ID_FLAGS	0x03
+
+/* The first dword of RADEON_CHUNK_ID_FLAGS is a uint32 of these flags: */
+#define RADEON_CS_KEEP_TILING_FLAGS 0x01
 
 struct drm_radeon_cs_chunk {
 	uint32_t		chunk_id;
diff --git a/include/linux/bio.h b/include/linux/bio.h
index a3c071c..847994a 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -211,8 +211,8 @@
 extern struct bio_set *bioset_create(unsigned int, unsigned int);
 extern void bioset_free(struct bio_set *);
 
-extern struct bio *bio_alloc(gfp_t, int);
-extern struct bio *bio_kmalloc(gfp_t, int);
+extern struct bio *bio_alloc(gfp_t, unsigned int);
+extern struct bio *bio_kmalloc(gfp_t, unsigned int);
 extern struct bio *bio_alloc_bioset(gfp_t, int, struct bio_set *);
 extern void bio_put(struct bio *);
 extern void bio_free(struct bio *, struct bio_set *);
@@ -519,7 +519,11 @@
 #define bioset_integrity_create(a, b)	(0)
 #define bio_integrity_prep(a)		(0)
 #define bio_integrity_enabled(a)	(0)
-#define bio_integrity_clone(a, b, c, d)	(0)
+static inline int bio_integrity_clone(struct bio *bio, struct bio *bio_src,
+				      gfp_t gfp_mask, struct bio_set *bs)
+{
+	return 0;
+}
 #define bioset_integrity_free(a)	do { } while (0)
 #define bio_integrity_free(a, b)	do { } while (0)
 #define bio_integrity_endio(a, b)	do { } while (0)
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index f88eacb..7c05ac2 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -10,6 +10,12 @@
 #include "osdmap.h"
 #include "messenger.h"
 
+/* 
+ * Maximum object name size 
+ * (must be at least as big as RBD_MAX_MD_NAME_LEN -- currently 100) 
+ */
+#define MAX_OBJ_NAME_SIZE 100
+
 struct ceph_msg;
 struct ceph_snap_context;
 struct ceph_osd_request;
@@ -75,7 +81,7 @@
 	struct inode *r_inode;         	      /* for use by callbacks */
 	void *r_priv;			      /* ditto */
 
-	char              r_oid[40];          /* object name */
+	char              r_oid[MAX_OBJ_NAME_SIZE];          /* object name */
 	int               r_oid_len;
 	unsigned long     r_stamp;            /* send OR check time */
 
diff --git a/include/linux/device.h b/include/linux/device.h
index ffbcf95..3136ede 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -69,7 +69,7 @@
  * @resume:	Called to bring a device on this bus out of sleep mode.
  * @pm:		Power management operations of this bus, callback the specific
  *		device driver's pm-ops.
- * @iommu_ops   IOMMU specific operations for this bus, used to attach IOMMU
+ * @iommu_ops:  IOMMU specific operations for this bus, used to attach IOMMU
  *              driver implementations to a bus and allow the driver to do
  *              bus-specific setup
  * @p:		The private data of the driver core, only the driver core can
@@ -682,6 +682,11 @@
 	return !!dev->power.async_suspend;
 }
 
+static inline void pm_suspend_ignore_children(struct device *dev, bool enable)
+{
+	dev->power.ignore_children = enable;
+}
+
 static inline void device_lock(struct device *dev)
 {
 	mutex_lock(&dev->mutex);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0c4df26..e313022 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1886,6 +1886,7 @@
 extern struct dentry *mount_nodev(struct file_system_type *fs_type,
 	int flags, void *data,
 	int (*fill_super)(struct super_block *, void *, int));
+extern struct dentry *mount_subtree(struct vfsmount *mnt, const char *path);
 void generic_shutdown_super(struct super_block *sb);
 void kill_block_super(struct super_block *sb);
 void kill_anon_super(struct super_block *sb);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 9de31bc..6d18f35 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -21,8 +21,6 @@
 #define dev_to_part(device)	container_of((device), struct hd_struct, __dev)
 #define disk_to_dev(disk)	(&(disk)->part0.__dev)
 #define part_to_dev(part)	(&((part)->__dev))
-#define alias_name(disk)	((disk)->alias ? (disk)->alias : \
-						 (disk)->disk_name)
 
 extern struct device_type part_type;
 extern struct kobject *block_depr;
@@ -60,7 +58,6 @@
 
 #define DISK_MAX_PARTS			256
 #define DISK_NAME_LEN			32
-#define ALIAS_LEN			256
 
 #include <linux/major.h>
 #include <linux/device.h>
@@ -166,7 +163,6 @@
                                          * disks that can't be partitioned. */
 
 	char disk_name[DISK_NAME_LEN];	/* name of major driver */
-	char *alias;			/* alias name of disk */
 	char *(*devnode)(struct gendisk *gd, mode_t *mode);
 
 	unsigned int events;		/* supported events */
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 19644e0..d9d6c86 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -110,11 +110,6 @@
 
 #define hugetlb_change_protection(vma, address, end, newprot)
 
-#ifndef HPAGE_MASK
-#define HPAGE_MASK	PAGE_MASK		/* Keep the compiler happy */
-#define HPAGE_SIZE	PAGE_SIZE
-#endif
-
 #endif /* !CONFIG_HUGETLB_PAGE */
 
 #define HUGETLB_ANON_FILE "anon_hugepage"
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index a81bf6d..07d103a 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -432,9 +432,6 @@
 /* Internal numbers to terminate lists */
 #define I2C_CLIENT_END		0xfffeU
 
-/* The numbers to use to set I2C bus address */
-#define ANY_I2C_BUS		0xffff
-
 /* Construct an I2C_CLIENT_END-terminated array of i2c addresses */
 #define I2C_ADDRS(addr, addrs...) \
 	((const unsigned short []){ addr, ## addrs, I2C_CLIENT_END })
diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h
index 80b480c..abf5028 100644
--- a/include/linux/inet_diag.h
+++ b/include/linux/inet_diag.h
@@ -98,9 +98,10 @@
 	INET_DIAG_VEGASINFO,
 	INET_DIAG_CONG,
 	INET_DIAG_TOS,
+	INET_DIAG_TCLASS,
 };
 
-#define INET_DIAG_MAX INET_DIAG_TOS
+#define INET_DIAG_MAX INET_DIAG_TCLASS
 
 
 /* INET_DIAG_MEM */
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 08ffab0..94b1e35 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -184,7 +184,6 @@
 		[PIDTYPE_SID]  = INIT_PID_LINK(PIDTYPE_SID),		\
 	},								\
 	.thread_group	= LIST_HEAD_INIT(tsk.thread_group),		\
-	.dirties = INIT_PROP_LOCAL_SINGLE(dirties),			\
 	INIT_IDS							\
 	INIT_PERF_EVENTS(tsk)						\
 	INIT_TRACE_IRQFLAGS						\
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index f47fcd3..c3892fc 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -555,7 +555,6 @@
 #define KVM_CAP_PPC_SMT 64
 #define KVM_CAP_PPC_RMA	65
 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
-#define KVM_CAP_PPC_HIOR 67
 #define KVM_CAP_PPC_PAPR 68
 #define KVM_CAP_S390_GMAP 71
 
diff --git a/include/linux/mfd/tps65910.h b/include/linux/mfd/tps65910.h
index 82b4c88..8bf2cb9 100644
--- a/include/linux/mfd/tps65910.h
+++ b/include/linux/mfd/tps65910.h
@@ -243,7 +243,8 @@
 
 
 /*Registers VDD1, VDD2 voltage values definitions */
-#define VDD1_2_NUM_VOLTS				73
+#define VDD1_2_NUM_VOLT_FINE				73
+#define VDD1_2_NUM_VOLT_COARSE				3
 #define VDD1_2_MIN_VOLT					6000
 #define VDD1_2_OFFSET					125
 
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index ab2c634..92ecf55 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -410,6 +410,9 @@
 extern const struct inode_operations nfs3_file_inode_operations;
 #endif /* CONFIG_NFS_V3 */
 extern const struct file_operations nfs_file_operations;
+#ifdef CONFIG_NFS_V4
+extern const struct file_operations nfs4_file_operations;
+#endif /* CONFIG_NFS_V4 */
 extern const struct address_space_operations nfs_file_aops;
 extern const struct address_space_operations nfs_dir_aops;
 
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index c74595b..2a7c533 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1192,6 +1192,7 @@
 	const struct dentry_operations *dentry_ops;
 	const struct inode_operations *dir_inode_ops;
 	const struct inode_operations *file_inode_ops;
+	const struct file_operations *file_ops;
 
 	int	(*getroot) (struct nfs_server *, struct nfs_fh *,
 			    struct nfs_fsinfo *);
diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h
index e3d0b38..7ef6872 100644
--- a/include/linux/pci-ats.h
+++ b/include/linux/pci-ats.h
@@ -12,7 +12,7 @@
 	unsigned int is_enabled:1;      /* Enable bit is set */
 };
 
-#ifdef CONFIG_PCI_IOV
+#ifdef CONFIG_PCI_ATS
 
 extern int pci_enable_ats(struct pci_dev *dev, int ps);
 extern void pci_disable_ats(struct pci_dev *dev);
@@ -29,7 +29,7 @@
 	return dev->ats && dev->ats->is_enabled;
 }
 
-#else /* CONFIG_PCI_IOV */
+#else /* CONFIG_PCI_ATS */
 
 static inline int pci_enable_ats(struct pci_dev *dev, int ps)
 {
@@ -50,7 +50,7 @@
 	return 0;
 }
 
-#endif /* CONFIG_PCI_IOV */
+#endif /* CONFIG_PCI_ATS */
 
 #ifdef CONFIG_PCI_PRI
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 337df0d5..7cda65b 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -338,7 +338,7 @@
 	struct list_head msi_list;
 #endif
 	struct pci_vpd *vpd;
-#ifdef CONFIG_PCI_IOV
+#ifdef CONFIG_PCI_ATS
 	union {
 		struct pci_sriov *sriov;	/* SR-IOV capability related */
 		struct pci_dev *physfn;	/* the PF this VF is associated with */
diff --git a/include/linux/pm.h b/include/linux/pm.h
index f15acb6..5c4c8b1 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -447,6 +447,7 @@
 	unsigned int		async_suspend:1;
 	bool			is_prepared:1;	/* Owned by the PM core */
 	bool			is_suspended:1;	/* Ditto */
+	bool			ignore_children:1;
 	spinlock_t		lock;
 #ifdef CONFIG_PM_SLEEP
 	struct list_head	entry;
@@ -464,7 +465,6 @@
 	atomic_t		usage_count;
 	atomic_t		child_count;
 	unsigned int		disable_depth:3;
-	unsigned int		ignore_children:1;
 	unsigned int		idle_notification:1;
 	unsigned int		request_pending:1;
 	unsigned int		deferred_resume:1;
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index d8d9036..d3085e7 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -52,11 +52,6 @@
 		|| !atomic_read(&dev->power.child_count);
 }
 
-static inline void pm_suspend_ignore_children(struct device *dev, bool enable)
-{
-	dev->power.ignore_children = enable;
-}
-
 static inline void pm_runtime_get_noresume(struct device *dev)
 {
 	atomic_inc(&dev->power.usage_count);
@@ -130,7 +125,6 @@
 static inline void pm_runtime_forbid(struct device *dev) {}
 
 static inline bool pm_children_suspended(struct device *dev) { return false; }
-static inline void pm_suspend_ignore_children(struct device *dev, bool en) {}
 static inline void pm_runtime_get_noresume(struct device *dev) {}
 static inline void pm_runtime_put_noidle(struct device *dev) {}
 static inline bool device_run_wake(struct device *dev) { return false; }
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 68daf4f..1c4f3e9 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1521,7 +1521,6 @@
 #ifdef CONFIG_FAULT_INJECTION
 	int make_it_fail;
 #endif
-	struct prop_local_single dirties;
 	/*
 	 * when (nr_dirtied >= nr_dirtied_pause), it's time to call
 	 * balance_dirty_pages() for some dirty throttling pause
diff --git a/include/linux/serial.h b/include/linux/serial.h
index 97ff8e2..3d86517 100644
--- a/include/linux/serial.h
+++ b/include/linux/serial.h
@@ -207,13 +207,15 @@
 
 struct serial_rs485 {
 	__u32	flags;			/* RS485 feature flags */
-#define SER_RS485_ENABLED		(1 << 0)
-#define SER_RS485_RTS_ON_SEND		(1 << 1)
-#define SER_RS485_RTS_AFTER_SEND	(1 << 2)
-#define SER_RS485_RTS_BEFORE_SEND	(1 << 3)
+#define SER_RS485_ENABLED		(1 << 0)	/* If enabled */
+#define SER_RS485_RTS_ON_SEND		(1 << 1)	/* Logical level for
+							   RTS pin when
+							   sending */
+#define SER_RS485_RTS_AFTER_SEND	(1 << 2)	/* Logical level for
+							   RTS pin after sent*/
 #define SER_RS485_RX_DURING_TX		(1 << 4)
-	__u32	delay_rts_before_send;	/* Milliseconds */
-	__u32	delay_rts_after_send;	/* Milliseconds */
+	__u32	delay_rts_before_send;	/* Delay before send (milliseconds) */
+	__u32	delay_rts_after_send;	/* Delay after send (milliseconds) */
 	__u32	padding[5];		/* Memory is cheap, new structs
 					   are a royal PITA .. */
 };
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index add4790..e9e72bd 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -85,6 +85,8 @@
  * @reset: reset the device
  *	vdev: the virtio device
  *	After this, status and feature negotiation must be done again
+ *	Device must not be reset from its vq/config callbacks, or in
+ *	parallel with being added/removed.
  * @find_vqs: find virtqueues and instantiate them.
  *	vdev: the virtio_device
  *	nvqs: the number of virtqueues to find
diff --git a/include/linux/virtio_mmio.h b/include/linux/virtio_mmio.h
index 27c7ede..5c7b6f0 100644
--- a/include/linux/virtio_mmio.h
+++ b/include/linux/virtio_mmio.h
@@ -63,7 +63,7 @@
 #define VIRTIO_MMIO_GUEST_FEATURES	0x020
 
 /* Activated features set selector - Write Only */
-#define VIRTIO_MMIO_GUEST_FEATURES_SET	0x024
+#define VIRTIO_MMIO_GUEST_FEATURES_SEL	0x024
 
 /* Guest's memory page size in bytes - Write Only */
 #define VIRTIO_MMIO_GUEST_PAGE_SIZE	0x028
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 687fb11..4bde182 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -119,7 +119,7 @@
 #endif
 
 /* Allocate/destroy a 'vmalloc' VM area. */
-extern struct vm_struct *alloc_vm_area(size_t size);
+extern struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes);
 extern void free_vm_area(struct vm_struct *area);
 
 /* for /dev/kmem */
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index ab90ae0..6cc18f3 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -39,8 +39,11 @@
 #define L2CAP_DEFAULT_ACK_TO		200
 #define L2CAP_LE_DEFAULT_MTU		23
 
-#define L2CAP_CONN_TIMEOUT	(40000) /* 40 seconds */
-#define L2CAP_INFO_TIMEOUT	(4000)  /*  4 seconds */
+#define L2CAP_DISC_TIMEOUT             (100)
+#define L2CAP_DISC_REJ_TIMEOUT         (5000)  /*  5 seconds */
+#define L2CAP_ENC_TIMEOUT              (5000)  /*  5 seconds */
+#define L2CAP_CONN_TIMEOUT             (40000) /* 40 seconds */
+#define L2CAP_INFO_TIMEOUT             (4000)  /*  4 seconds */
 
 /* L2CAP socket address */
 struct sockaddr_l2 {
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 92cf1c2..95852e3 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -456,6 +456,9 @@
  *	as the AC bitmap in the QoS info field
  * @max_sp: max Service Period. same format as the MAX_SP in the
  *	QoS info field (but already shifted down)
+ * @sta_modify_mask: bitmap indicating which parameters changed
+ *	(for those that don't have a natural "no change" value),
+ *	see &enum station_parameters_apply_mask
  */
 struct station_parameters {
 	u8 *supported_rates;
@@ -615,6 +618,7 @@
  *	user space MLME/SME implementation. The information is provided for
  *	the cfg80211_new_sta() calls to notify user space of the IEs.
  * @assoc_req_ies_len: Length of assoc_req_ies buffer in octets.
+ * @sta_flags: station flags mask & values
  */
 struct station_info {
 	u32 filled;
diff --git a/include/xen/platform_pci.h b/include/xen/platform_pci.h
index a785a3b..438c256 100644
--- a/include/xen/platform_pci.h
+++ b/include/xen/platform_pci.h
@@ -29,8 +29,7 @@
 static inline int xen_must_unplug_nics(void) {
 #if (defined(CONFIG_XEN_NETDEV_FRONTEND) || \
 		defined(CONFIG_XEN_NETDEV_FRONTEND_MODULE)) && \
-		(defined(CONFIG_XEN_PLATFORM_PCI) || \
-		 defined(CONFIG_XEN_PLATFORM_PCI_MODULE))
+		defined(CONFIG_XEN_PVHVM)
         return 1;
 #else
         return 0;
@@ -40,8 +39,7 @@
 static inline int xen_must_unplug_disks(void) {
 #if (defined(CONFIG_XEN_BLKDEV_FRONTEND) || \
 		defined(CONFIG_XEN_BLKDEV_FRONTEND_MODULE)) && \
-		(defined(CONFIG_XEN_PLATFORM_PCI) || \
-		 defined(CONFIG_XEN_PLATFORM_PCI_MODULE))
+		defined(CONFIG_XEN_PVHVM)
         return 1;
 #else
         return 0;
diff --git a/kernel/fork.c b/kernel/fork.c
index ba0d172..da4a6a1 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -162,7 +162,6 @@
 
 void free_task(struct task_struct *tsk)
 {
-	prop_local_destroy_single(&tsk->dirties);
 	account_kernel_stack(tsk->stack, -1);
 	free_thread_info(tsk->stack);
 	rt_mutex_debug_task_free(tsk);
@@ -274,10 +273,6 @@
 
 	tsk->stack = ti;
 
-	err = prop_local_init_single(&tsk->dirties);
-	if (err)
-		goto out;
-
 	setup_thread_stack(tsk, orig);
 	clear_user_return_notifier(tsk);
 	clear_tsk_need_resched(tsk);
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index aa57d5d..b5f4742 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -115,7 +115,7 @@
 	struct irq_desc *desc;
 	int i, ok = 0;
 
-	if (atomic_inc_return(&irq_poll_active) == 1)
+	if (atomic_inc_return(&irq_poll_active) != 1)
 		goto out;
 
 	irq_poll_cpu = smp_processor_id();
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index b4511b6..196c0126 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -55,6 +55,8 @@
 
 static int hibernation_mode = HIBERNATION_SHUTDOWN;
 
+static bool freezer_test_done;
+
 static const struct platform_hibernation_ops *hibernation_ops;
 
 /**
@@ -347,6 +349,17 @@
 	if (error)
 		goto Close;
 
+	if (hibernation_test(TEST_FREEZER) ||
+		hibernation_testmode(HIBERNATION_TESTPROC)) {
+
+		/*
+		 * Indicate to the caller that we are returning due to a
+		 * successful freezer test.
+		 */
+		freezer_test_done = true;
+		goto Close;
+	}
+
 	error = dpm_prepare(PMSG_FREEZE);
 	if (error)
 		goto Complete_devices;
@@ -641,15 +654,13 @@
 	if (error)
 		goto Finish;
 
-	if (hibernation_test(TEST_FREEZER))
-		goto Thaw;
-
-	if (hibernation_testmode(HIBERNATION_TESTPROC))
-		goto Thaw;
-
 	error = hibernation_snapshot(hibernation_mode == HIBERNATION_PLATFORM);
 	if (error)
 		goto Thaw;
+	if (freezer_test_done) {
+		freezer_test_done = false;
+		goto Thaw;
+	}
 
 	if (in_suspend) {
 		unsigned int flags = 0;
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 71f49fe..36e0f09 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -290,13 +290,14 @@
 		if (*s && len == strlen(*s) && !strncmp(buf, *s, len))
 			break;
 	}
-	if (state < PM_SUSPEND_MAX && *s)
+	if (state < PM_SUSPEND_MAX && *s) {
 		error = enter_state(state);
 		if (error) {
 			suspend_stats.fail++;
 			dpm_save_failed_errno(error);
 		} else
 			suspend_stats.success++;
+	}
 #endif
 
  Exit:
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index a086064..71034f4 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -724,6 +724,14 @@
 
 	bdi_unregister(bdi);
 
+	/*
+	 * If bdi_unregister() had already been called earlier, the
+	 * wakeup_timer could still be armed because bdi_prune_sb()
+	 * can race with the bdi_wakeup_thread_delayed() calls from
+	 * __mark_inode_dirty().
+	 */
+	del_timer_sync(&bdi->wb.wakeup_timer);
+
 	for (i = 0; i < NR_BDI_STAT_ITEMS; i++)
 		percpu_counter_destroy(&bdi->bdi_stat[i]);
 
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index dae27ba..bb28a5f 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2422,6 +2422,8 @@
 	 * anon_vma prepared.
 	 */
 	if (unlikely(anon_vma_prepare(vma))) {
+		page_cache_release(new_page);
+		page_cache_release(old_page);
 		/* Caller expects lock to be held */
 		spin_lock(&mm->page_table_lock);
 		return VM_FAULT_OOM;
diff --git a/mm/nommu.c b/mm/nommu.c
index 73419c5..b982290 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -454,7 +454,7 @@
  *	between processes, it syncs the pagetable across all
  *	processes.
  */
-struct vm_struct *alloc_vm_area(size_t size)
+struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes)
 {
 	BUG();
 	return NULL;
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 471dedb..76f2c5a 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -185,6 +185,11 @@
 	if (!p)
 		return 0;
 
+	if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN) {
+		task_unlock(p);
+		return 0;
+	}
+
 	/*
 	 * The memory controller may have a limit of 0 bytes, so avoid a divide
 	 * by zero, if necessary.
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index a3278f0..7125248 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -128,7 +128,6 @@
  *
  */
 static struct prop_descriptor vm_completions;
-static struct prop_descriptor vm_dirties;
 
 /*
  * couple the period to the dirty_ratio:
@@ -154,7 +153,6 @@
 {
 	int shift = calc_period_shift();
 	prop_change_shift(&vm_completions, shift);
-	prop_change_shift(&vm_dirties, shift);
 
 	writeback_set_ratelimit();
 }
@@ -235,11 +233,6 @@
 }
 EXPORT_SYMBOL_GPL(bdi_writeout_inc);
 
-void task_dirty_inc(struct task_struct *tsk)
-{
-	prop_inc_single(&vm_dirties, &tsk->dirties);
-}
-
 /*
  * Obtain an accurate fraction of the BDI's portion.
  */
@@ -1133,17 +1126,17 @@
 					  pages_dirtied,
 					  pause,
 					  start_time);
-		__set_current_state(TASK_UNINTERRUPTIBLE);
+		__set_current_state(TASK_KILLABLE);
 		io_schedule_timeout(pause);
 
-		dirty_thresh = hard_dirty_limit(dirty_thresh);
 		/*
-		 * max-pause area. If dirty exceeded but still within this
-		 * area, no need to sleep for more than 200ms: (a) 8 pages per
-		 * 200ms is typically more than enough to curb heavy dirtiers;
-		 * (b) the pause time limit makes the dirtiers more responsive.
+		 * This is typically equal to (nr_dirty < dirty_thresh) and can
+		 * also keep "1000+ dd on a slow USB stick" under control.
 		 */
-		if (nr_dirty < dirty_thresh)
+		if (task_ratelimit)
+			break;
+
+		if (fatal_signal_pending(current))
 			break;
 	}
 
@@ -1395,7 +1388,6 @@
 
 	shift = calc_period_shift();
 	prop_descriptor_init(&vm_completions, shift);
-	prop_descriptor_init(&vm_dirties, shift);
 }
 
 /**
@@ -1724,7 +1716,6 @@
 		__inc_zone_page_state(page, NR_DIRTIED);
 		__inc_bdi_stat(mapping->backing_dev_info, BDI_RECLAIMABLE);
 		__inc_bdi_stat(mapping->backing_dev_info, BDI_DIRTIED);
-		task_dirty_inc(current);
 		task_io_account_write(PAGE_CACHE_SIZE);
 	}
 }
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index b669aa6..3231bf3 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2141,23 +2141,30 @@
 
 static int f(pte_t *pte, pgtable_t table, unsigned long addr, void *data)
 {
-	/* apply_to_page_range() does all the hard work. */
+	pte_t ***p = data;
+
+	if (p) {
+		*(*p) = pte;
+		(*p)++;
+	}
 	return 0;
 }
 
 /**
  *	alloc_vm_area - allocate a range of kernel address space
  *	@size:		size of the area
+ *	@ptes:		returns the PTEs for the address space
  *
  *	Returns:	NULL on failure, vm_struct on success
  *
  *	This function reserves a range of kernel address space, and
  *	allocates pagetables to map that range.  No actual mappings
- *	are created.  If the kernel address space is not shared
- *	between processes, it syncs the pagetable across all
- *	processes.
+ *	are created.
+ *
+ *	If @ptes is non-NULL, pointers to the PTEs (in init_mm)
+ *	allocated for the VM area are returned.
  */
-struct vm_struct *alloc_vm_area(size_t size)
+struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes)
 {
 	struct vm_struct *area;
 
@@ -2171,19 +2178,11 @@
 	 * of kernel virtual address space and mapped into init_mm.
 	 */
 	if (apply_to_page_range(&init_mm, (unsigned long)area->addr,
-				area->size, f, NULL)) {
+				size, f, ptes ? &ptes : NULL)) {
 		free_vm_area(area);
 		return NULL;
 	}
 
-	/*
-	 * If the allocated address space is passed to a hypercall
-	 * before being used then we cannot rely on a page fault to
-	 * trigger an update of the page tables.  So sync all the page
-	 * tables here.
-	 */
-	vmalloc_sync_all();
-
 	return area;
 }
 EXPORT_SYMBOL_GPL(alloc_vm_area);
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index c1c597e..e0af723 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -673,7 +673,7 @@
 		goto encrypt;
 
 auth:
-	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+	if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
 		return 0;
 
 	if (!hci_conn_auth(conn, sec_level, auth_type))
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 8cd1291..5ea94a1 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -251,7 +251,7 @@
 
 	if (sock_owned_by_user(sk)) {
 		/* sk is owned by user. Try again later */
-		__set_chan_timer(chan, HZ / 5);
+		__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 		bh_unlock_sock(sk);
 		chan_put(chan);
 		return;
@@ -2488,7 +2488,7 @@
 		if (sock_owned_by_user(sk)) {
 			l2cap_state_change(chan, BT_DISCONN);
 			__clear_chan_timer(chan);
-			__set_chan_timer(chan, HZ / 5);
+			__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 			break;
 		}
 
@@ -2661,7 +2661,7 @@
 
 	default:
 		sk->sk_err = ECONNRESET;
-		__set_chan_timer(chan, HZ * 5);
+		__set_chan_timer(chan, L2CAP_DISC_REJ_TIMEOUT);
 		l2cap_send_disconn_req(conn, chan, ECONNRESET);
 		goto done;
 	}
@@ -2718,7 +2718,7 @@
 	if (sock_owned_by_user(sk)) {
 		l2cap_state_change(chan, BT_DISCONN);
 		__clear_chan_timer(chan);
-		__set_chan_timer(chan, HZ / 5);
+		__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 		bh_unlock_sock(sk);
 		return 0;
 	}
@@ -2752,7 +2752,7 @@
 	if (sock_owned_by_user(sk)) {
 		l2cap_state_change(chan,BT_DISCONN);
 		__clear_chan_timer(chan);
-		__set_chan_timer(chan, HZ / 5);
+		__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 		bh_unlock_sock(sk);
 		return 0;
 	}
@@ -3998,7 +3998,7 @@
 	if (encrypt == 0x00) {
 		if (chan->sec_level == BT_SECURITY_MEDIUM) {
 			__clear_chan_timer(chan);
-			__set_chan_timer(chan, HZ * 5);
+			__set_chan_timer(chan, L2CAP_ENC_TIMEOUT);
 		} else if (chan->sec_level == BT_SECURITY_HIGH)
 			l2cap_chan_close(chan, ECONNREFUSED);
 	} else {
@@ -4066,7 +4066,7 @@
 					L2CAP_CONN_REQ, sizeof(req), &req);
 			} else {
 				__clear_chan_timer(chan);
-				__set_chan_timer(chan, HZ / 10);
+				__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 			}
 		} else if (chan->state == BT_CONNECT2) {
 			struct l2cap_conn_rsp rsp;
@@ -4086,7 +4086,7 @@
 				}
 			} else {
 				l2cap_state_change(chan, BT_DISCONN);
-				__set_chan_timer(chan, HZ / 10);
+				__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 				res = L2CAP_CR_SEC_BLOCK;
 				stat = L2CAP_CS_NO_INFO;
 			}
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 995cbe0..a5f4e57 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1501,6 +1501,8 @@
 
 	__skb_pull(skb2, offset);
 	skb_reset_transport_header(skb2);
+	skb_postpull_rcsum(skb2, skb_network_header(skb2),
+			   skb_network_header_len(skb2));
 
 	icmp6_type = icmp6_hdr(skb2)->icmp6_type;
 
@@ -1770,7 +1772,7 @@
 	int err = 0;
 	struct net_bridge_mdb_htable *mdb;
 
-	spin_lock(&br->multicast_lock);
+	spin_lock_bh(&br->multicast_lock);
 	if (br->multicast_disabled == !val)
 		goto unlock;
 
@@ -1806,7 +1808,7 @@
 	}
 
 unlock:
-	spin_unlock(&br->multicast_lock);
+	spin_unlock_bh(&br->multicast_lock);
 
 	return err;
 }
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 733e4600..f4f3f58 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -244,7 +244,7 @@
 		ceph_pagelist_init(req->r_trail);
 	}
 	/* create request message; allow space for oid */
-	msg_size += 40;
+	msg_size += MAX_OBJ_NAME_SIZE;
 	if (snapc)
 		msg_size += sizeof(u64) * snapc->num_snaps;
 	if (use_mempool)
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index c1f4154..36d1440 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -136,8 +136,6 @@
 		memcpy(top_iph+1, iph+1, top_iph->ihl*4 - sizeof(struct iphdr));
 	}
 
-	err = ah->nexthdr;
-
 	kfree(AH_SKB_CB(skb)->tmp);
 	xfrm_output_resume(skb, err);
 }
@@ -264,12 +262,12 @@
 	if (err)
 		goto out;
 
+	err = ah->nexthdr;
+
 	skb->network_header += ah_hlen;
 	memcpy(skb_network_header(skb), work_iph, ihl);
 	__skb_pull(skb, ah_hlen + ihl);
 	skb_set_transport_header(skb, -ihl);
-
-	err = ah->nexthdr;
 out:
 	kfree(AH_SKB_CB(skb)->tmp);
 	xfrm_input_resume(skb, err);
@@ -371,8 +369,6 @@
 		if (err == -EINPROGRESS)
 			goto out;
 
-		if (err == -EBUSY)
-			err = NET_XMIT_DROP;
 		goto out_free;
 	}
 
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index f5e2bda..68e8ac5 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -133,8 +133,8 @@
 			       &np->rcv_saddr);
 		ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst,
 			       &np->daddr);
-		if (ext & (1 << (INET_DIAG_TOS - 1)))
-			RTA_PUT_U8(skb, INET_DIAG_TOS, np->tclass);
+		if (ext & (1 << (INET_DIAG_TCLASS - 1)))
+			RTA_PUT_U8(skb, INET_DIAG_TCLASS, np->tclass);
 	}
 #endif
 
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index ec93335..05d20cc 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -640,6 +640,7 @@
 	}
 	if (srrptr <= srrspace) {
 		opt->srr_is_hit = 1;
+		iph->daddr = nexthop;
 		opt->is_changed = 1;
 	}
 	return 0;
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index a06f73f..43d4c3b 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -339,7 +339,6 @@
 	sk = ping_v4_lookup(net, iph->daddr, iph->saddr,
 			    ntohs(icmph->un.echo.id), skb->dev->ifindex);
 	if (sk == NULL) {
-		ICMP_INC_STATS_BH(net, ICMP_MIB_INERRORS);
 		pr_debug("no socket, dropping\n");
 		return;	/* No socket for error */
 	}
@@ -679,7 +678,6 @@
 	pr_debug("ping_queue_rcv_skb(sk=%p,sk->num=%d,skb=%p)\n",
 		inet_sk(sk), inet_sk(sk)->inet_num, skb);
 	if (sock_queue_rcv_skb(sk, skb) < 0) {
-		ICMP_INC_STATS_BH(sock_net(sk), ICMP_MIB_INERRORS);
 		kfree_skb(skb);
 		pr_debug("ping_queue_rcv_skb -> failed\n");
 		return -1;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 155138d..0c74da8 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1304,16 +1304,42 @@
 	spin_unlock_bh(rt_hash_lock_addr(hash));
 }
 
+static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
+{
+	struct rtable *rt = (struct rtable *) dst;
+	__be32 orig_gw = rt->rt_gateway;
+	struct neighbour *n, *old_n;
+
+	dst_confirm(&rt->dst);
+
+	rt->rt_gateway = peer->redirect_learned.a4;
+
+	n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway);
+	if (IS_ERR(n))
+		return PTR_ERR(n);
+	old_n = xchg(&rt->dst._neighbour, n);
+	if (old_n)
+		neigh_release(old_n);
+	if (!n || !(n->nud_state & NUD_VALID)) {
+		if (n)
+			neigh_event_send(n, NULL);
+		rt->rt_gateway = orig_gw;
+		return -EAGAIN;
+	} else {
+		rt->rt_flags |= RTCF_REDIRECTED;
+		call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n);
+	}
+	return 0;
+}
+
 /* called in rcu_read_lock() section */
 void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 		    __be32 saddr, struct net_device *dev)
 {
 	int s, i;
 	struct in_device *in_dev = __in_dev_get_rcu(dev);
-	struct rtable *rt;
 	__be32 skeys[2] = { saddr, 0 };
 	int    ikeys[2] = { dev->ifindex, 0 };
-	struct flowi4 fl4;
 	struct inet_peer *peer;
 	struct net *net;
 
@@ -1336,33 +1362,42 @@
 			goto reject_redirect;
 	}
 
-	memset(&fl4, 0, sizeof(fl4));
-	fl4.daddr = daddr;
 	for (s = 0; s < 2; s++) {
 		for (i = 0; i < 2; i++) {
-			fl4.flowi4_oif = ikeys[i];
-			fl4.saddr = skeys[s];
-			rt = __ip_route_output_key(net, &fl4);
-			if (IS_ERR(rt))
-				continue;
+			unsigned int hash;
+			struct rtable __rcu **rthp;
+			struct rtable *rt;
 
-			if (rt->dst.error || rt->dst.dev != dev ||
-			    rt->rt_gateway != old_gw) {
-				ip_rt_put(rt);
-				continue;
+			hash = rt_hash(daddr, skeys[s], ikeys[i], rt_genid(net));
+
+			rthp = &rt_hash_table[hash].chain;
+
+			while ((rt = rcu_dereference(*rthp)) != NULL) {
+				rthp = &rt->dst.rt_next;
+
+				if (rt->rt_key_dst != daddr ||
+				    rt->rt_key_src != skeys[s] ||
+				    rt->rt_oif != ikeys[i] ||
+				    rt_is_input_route(rt) ||
+				    rt_is_expired(rt) ||
+				    !net_eq(dev_net(rt->dst.dev), net) ||
+				    rt->dst.error ||
+				    rt->dst.dev != dev ||
+				    rt->rt_gateway != old_gw)
+					continue;
+
+				if (!rt->peer)
+					rt_bind_peer(rt, rt->rt_dst, 1);
+
+				peer = rt->peer;
+				if (peer) {
+					if (peer->redirect_learned.a4 != new_gw) {
+						peer->redirect_learned.a4 = new_gw;
+						atomic_inc(&__rt_peer_genid);
+					}
+					check_peer_redir(&rt->dst, peer);
+				}
 			}
-
-			if (!rt->peer)
-				rt_bind_peer(rt, rt->rt_dst, 1);
-
-			peer = rt->peer;
-			if (peer) {
-				peer->redirect_learned.a4 = new_gw;
-				atomic_inc(&__rt_peer_genid);
-			}
-
-			ip_rt_put(rt);
-			return;
 		}
 	}
 	return;
@@ -1649,33 +1684,6 @@
 	}
 }
 
-static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
-{
-	struct rtable *rt = (struct rtable *) dst;
-	__be32 orig_gw = rt->rt_gateway;
-	struct neighbour *n, *old_n;
-
-	dst_confirm(&rt->dst);
-
-	rt->rt_gateway = peer->redirect_learned.a4;
-
-	n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway);
-	if (IS_ERR(n))
-		return PTR_ERR(n);
-	old_n = xchg(&rt->dst._neighbour, n);
-	if (old_n)
-		neigh_release(old_n);
-	if (!n || !(n->nud_state & NUD_VALID)) {
-		if (n)
-			neigh_event_send(n, NULL);
-		rt->rt_gateway = orig_gw;
-		return -EAGAIN;
-	} else {
-		rt->rt_flags |= RTCF_REDIRECTED;
-		call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n);
-	}
-	return 0;
-}
 
 static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
 {
@@ -2845,7 +2853,7 @@
 	struct rtable *rt = skb_rtable(skb);
 	struct rtmsg *r;
 	struct nlmsghdr *nlh;
-	long expires = 0;
+	unsigned long expires = 0;
 	const struct inet_peer *peer = rt->peer;
 	u32 id = 0, ts = 0, tsage = 0, error;
 
@@ -2902,8 +2910,12 @@
 			tsage = get_seconds() - peer->tcp_ts_stamp;
 		}
 		expires = ACCESS_ONCE(peer->pmtu_expires);
-		if (expires)
-			expires -= jiffies;
+		if (expires) {
+			if (time_before(jiffies, expires))
+				expires -= jiffies;
+			else
+				expires = 0;
+		}
 	}
 
 	if (rt_is_input_route(rt)) {
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a744315..a9db4b1 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1510,6 +1510,7 @@
 	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
 	return NULL;
 put_and_exit:
+	tcp_clear_xmit_timers(newsk);
 	bh_unlock_sock(newsk);
 	sock_put(newsk);
 	goto exit;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 980b98f..63170e29 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1382,7 +1382,7 @@
 /* Return 0, if packet can be sent now without violation Nagle's rules:
  * 1. It is full sized.
  * 2. Or it contains FIN. (already checked by caller)
- * 3. Or TCP_NODELAY was set.
+ * 3. Or TCP_CORK is not set, and TCP_NODELAY is set.
  * 4. Or TCP_CORK is not set, and all sent packets are ACKed.
  *    With Minshall's modification: all sent small packets are ACKed.
  */
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 2195ae6..4c0f894 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -324,8 +324,6 @@
 #endif
 	}
 
-	err = ah->nexthdr;
-
 	kfree(AH_SKB_CB(skb)->tmp);
 	xfrm_output_resume(skb, err);
 }
@@ -466,12 +464,12 @@
 	if (err)
 		goto out;
 
+	err = ah->nexthdr;
+
 	skb->network_header += ah_hlen;
 	memcpy(skb_network_header(skb), work_iph, hdr_len);
 	__skb_pull(skb, ah_hlen + hdr_len);
 	skb_set_transport_header(skb, -hdr_len);
-
-	err = ah->nexthdr;
 out:
 	kfree(AH_SKB_CB(skb)->tmp);
 	xfrm_input_resume(skb, err);
@@ -583,8 +581,6 @@
 		if (err == -EINPROGRESS)
 			goto out;
 
-		if (err == -EBUSY)
-			err = NET_XMIT_DROP;
 		goto out_free;
 	}
 
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 027c7ff..a46c64e 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -111,6 +111,14 @@
 	    ipv6_addr_loopback(&hdr->daddr))
 		goto err;
 
+	/*
+	 * RFC4291 2.7
+	 * Multicast addresses must not be used as source addresses in IPv6
+	 * packets or appear in any Routing header.
+	 */
+	if (ipv6_addr_is_multicast(&hdr->saddr))
+		goto err;
+
 	skb->transport_header = skb->network_header + sizeof(*hdr);
 	IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
 
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index bdc15c9..4e2e9ff 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -289,6 +289,8 @@
 	if ((err = register_netdevice(dev)) < 0)
 		goto failed_free;
 
+	strcpy(t->parms.name, dev->name);
+
 	dev_hold(dev);
 	ip6_tnl_link(ip6n, t);
 	return t;
@@ -1407,7 +1409,6 @@
 	struct ip6_tnl *t = netdev_priv(dev);
 
 	t->dev = dev;
-	strcpy(t->parms.name, dev->name);
 	dev->tstats = alloc_percpu(struct pcpu_tstats);
 	if (!dev->tstats)
 		return -ENOMEM;
@@ -1487,6 +1488,7 @@
 static int __net_init ip6_tnl_init_net(struct net *net)
 {
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
+	struct ip6_tnl *t = NULL;
 	int err;
 
 	ip6n->tnls[0] = ip6n->tnls_wc;
@@ -1507,6 +1509,10 @@
 	err = register_netdev(ip6n->fb_tnl_dev);
 	if (err < 0)
 		goto err_register;
+
+	t = netdev_priv(ip6n->fb_tnl_dev);
+
+	strcpy(t->parms.name, ip6n->fb_tnl_dev->name);
 	return 0;
 
 err_register:
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index bf8d50c..cf0f308 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -756,9 +756,6 @@
 		goto error;
 	}
 
-	/* Point to L2TP header */
-	optr = ptr = skb->data;
-
 	/* Trace packet contents, if enabled */
 	if (tunnel->debug & L2TP_MSG_DATA) {
 		length = min(32u, skb->len);
@@ -769,12 +766,15 @@
 
 		offset = 0;
 		do {
-			printk(" %02X", ptr[offset]);
+			printk(" %02X", skb->data[offset]);
 		} while (++offset < length);
 
 		printk("\n");
 	}
 
+	/* Point to L2TP header */
+	optr = ptr = skb->data;
+
 	/* Get L2TP header flags */
 	hdrflags = ntohs(*(__be16 *) ptr);
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 72c8bea..b1b1bb3 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1487,6 +1487,7 @@
 	int i, j, err;
 	bool have_higher_than_11mbit = false;
 	u16 ap_ht_cap_flags;
+	int min_rate = INT_MAX, min_rate_index = -1;
 
 	/* AssocResp and ReassocResp have identical structure */
 
@@ -1553,6 +1554,10 @@
 				rates |= BIT(j);
 				if (is_basic)
 					basic_rates |= BIT(j);
+				if (rate < min_rate) {
+					min_rate = rate;
+					min_rate_index = j;
+				}
 				break;
 			}
 		}
@@ -1570,11 +1575,25 @@
 				rates |= BIT(j);
 				if (is_basic)
 					basic_rates |= BIT(j);
+				if (rate < min_rate) {
+					min_rate = rate;
+					min_rate_index = j;
+				}
 				break;
 			}
 		}
 	}
 
+	/*
+	 * some buggy APs don't advertise basic_rates. use the lowest
+	 * supported rate instead.
+	 */
+	if (unlikely(!basic_rates) && min_rate_index >= 0) {
+		printk(KERN_DEBUG "%s: No basic rates in AssocResp. "
+		       "Using min supported rate instead.\n", sdata->name);
+		basic_rates = BIT(min_rate_index);
+	}
+
 	sta->sta.supp_rates[wk->chan->band] = rates;
 	sdata->vif.bss_conf.basic_rates = basic_rates;
 
@@ -2269,6 +2288,7 @@
 
 	cancel_work_sync(&ifmgd->request_smps_work);
 
+	cancel_work_sync(&ifmgd->monitor_work);
 	cancel_work_sync(&ifmgd->beacon_connection_loss_work);
 	if (del_timer_sync(&ifmgd->timer))
 		set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running);
@@ -2277,7 +2297,6 @@
 	if (del_timer_sync(&ifmgd->chswitch_timer))
 		set_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running);
 
-	cancel_work_sync(&ifmgd->monitor_work);
 	/* these will just be re-established on connection */
 	del_timer_sync(&ifmgd->conn_mon_timer);
 	del_timer_sync(&ifmgd->bcn_mon_timer);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index bb53726..fb123e2 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -141,8 +141,9 @@
 	pos++;
 
 	/* IEEE80211_RADIOTAP_RATE */
-	if (status->flag & RX_FLAG_HT) {
+	if (!rate || status->flag & RX_FLAG_HT) {
 		/*
+		 * Without rate information don't add it. If we have,
 		 * MCS information is a separate field in radiotap,
 		 * added below. The byte here is needed as padding
 		 * for the channel though, so initialise it to 0.
@@ -163,12 +164,14 @@
 	else if (status->flag & RX_FLAG_HT)
 		put_unaligned_le16(IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ,
 				   pos);
-	else if (rate->flags & IEEE80211_RATE_ERP_G)
+	else if (rate && rate->flags & IEEE80211_RATE_ERP_G)
 		put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ,
 				   pos);
-	else
+	else if (rate)
 		put_unaligned_le16(IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ,
 				   pos);
+	else
+		put_unaligned_le16(IEEE80211_CHAN_2GHZ, pos);
 	pos += 2;
 
 	/* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index ce962d2..8eaa746 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1354,12 +1354,12 @@
 			 * Use MoreData flag to indicate whether there are
 			 * more buffered frames for this STA
 			 */
-			if (!more_data)
-				hdr->frame_control &=
-					cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
-			else
+			if (more_data || !skb_queue_empty(&frames))
 				hdr->frame_control |=
 					cpu_to_le16(IEEE80211_FCTL_MOREDATA);
+			else
+				hdr->frame_control &=
+					cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
 
 			if (ieee80211_is_data_qos(hdr->frame_control) ||
 			    ieee80211_is_qos_nullfunc(hdr->frame_control))
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 51e256c..eca0fad 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -881,6 +881,8 @@
 	skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
 				     ssid, ssid_len,
 				     buf, buf_len);
+	if (!skb)
+		goto out;
 
 	if (dst) {
 		mgmt = (struct ieee80211_mgmt *) skb->data;
@@ -889,6 +891,8 @@
 	}
 
 	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+
+ out:
 	kfree(buf);
 
 	return skb;
diff --git a/net/rds/Kconfig b/net/rds/Kconfig
index 4cf6dc7..ec753b3 100644
--- a/net/rds/Kconfig
+++ b/net/rds/Kconfig
@@ -9,7 +9,6 @@
 
 config RDS_RDMA
 	tristate "RDS over Infiniband and iWARP"
-	select LLIST
 	depends on RDS && INFINIBAND && INFINIBAND_ADDR_TRANS
 	---help---
 	  Allow RDS to use Infiniband and iWARP as a transport.
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index d7f97ef..2d78d95 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2530,8 +2530,10 @@
 		int err;
 		err = xs_init_anyaddr(args->dstaddr->sa_family,
 					(struct sockaddr *)&new->srcaddr);
-		if (err != 0)
+		if (err != 0) {
+			xprt_free(xprt);
 			return ERR_PTR(err);
+		}
 	}
 
 	return xprt;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 48260c2..b3a476f 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -132,8 +132,7 @@
 	[NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
 	[NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
 
-	[NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY,
-					 .len = NL80211_HT_CAPABILITY_LEN },
+	[NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN },
 
 	[NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
 	[NL80211_ATTR_IE] = { .type = NLA_BINARY,
@@ -1253,6 +1252,12 @@
 			goto bad_res;
 		}
 
+		if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+		    netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
+			result = -EINVAL;
+			goto bad_res;
+		}
+
 		nla_for_each_nested(nl_txq_params,
 				    info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
 				    rem_txq_params) {
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 6acba9d..e71f5a6 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2265,6 +2265,9 @@
 
 	kfree(last_request);
 
+	last_request = NULL;
+	dev_set_uevent_suppress(&reg_pdev->dev, true);
+
 	platform_device_unregister(reg_pdev);
 
 	spin_lock_bh(&reg_pending_beacons_lock);
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 0fb1424..dc23b31 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -259,17 +259,20 @@
 {
 	const u8 *ie1 = cfg80211_find_ie(num, ies1, len1);
 	const u8 *ie2 = cfg80211_find_ie(num, ies2, len2);
-	int r;
 
+	/* equal if both missing */
 	if (!ie1 && !ie2)
 		return 0;
-	if (!ie1 || !ie2)
+	/* sort missing IE before (left of) present IE */
+	if (!ie1)
 		return -1;
+	if (!ie2)
+		return 1;
 
-	r = memcmp(ie1 + 2, ie2 + 2, min(ie1[1], ie2[1]));
-	if (r == 0 && ie1[1] != ie2[1])
+	/* sort by length first, then by contents */
+	if (ie1[1] != ie2[1])
 		return ie2[1] - ie1[1];
-	return r;
+	return memcmp(ie1 + 2, ie2 + 2, ie1[1]);
 }
 
 static bool is_bss(struct cfg80211_bss *a,
diff --git a/security/keys/encrypted-keys/Makefile b/security/keys/encrypted-keys/Makefile
index 6bc7a86..d6f8433 100644
--- a/security/keys/encrypted-keys/Makefile
+++ b/security/keys/encrypted-keys/Makefile
@@ -2,5 +2,9 @@
 # Makefile for encrypted keys
 #
 
-obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted.o ecryptfs_format.o
-obj-$(CONFIG_TRUSTED_KEYS) += masterkey_trusted.o
+obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted-keys.o
+
+encrypted-keys-y := encrypted.o ecryptfs_format.o
+masterkey-$(CONFIG_TRUSTED_KEYS) := masterkey_trusted.o
+masterkey-$(CONFIG_TRUSTED_KEYS)-$(CONFIG_ENCRYPTED_KEYS) := masterkey_trusted.o
+encrypted-keys-y += $(masterkey-y) $(masterkey-m-m)
diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index dcc843c..41144f7 100644
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -444,7 +444,7 @@
 		goto out;
 
 	if (IS_ERR(mkey)) {
-		int ret = PTR_ERR(epayload);
+		int ret = PTR_ERR(mkey);
 
 		if (ret == -ENOTSUPP)
 			pr_info("encrypted_key: key %s not supported",
diff --git a/security/keys/encrypted-keys/encrypted.h b/security/keys/encrypted-keys/encrypted.h
index b6ade89..8136a2d 100644
--- a/security/keys/encrypted-keys/encrypted.h
+++ b/security/keys/encrypted-keys/encrypted.h
@@ -2,7 +2,8 @@
 #define __ENCRYPTED_KEY_H
 
 #define ENCRYPTED_DEBUG 0
-#ifdef CONFIG_TRUSTED_KEYS
+#if defined(CONFIG_TRUSTED_KEYS) || \
+  (defined(CONFIG_TRUSTED_KEYS_MODULE) && defined(CONFIG_ENCRYPTED_KEYS_MODULE))
 extern struct key *request_trusted_key(const char *trusted_desc,
 				       u8 **master_key, size_t *master_keylen);
 #else
diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c
index 5b366d7..69ff52c 100644
--- a/security/keys/user_defined.c
+++ b/security/keys/user_defined.c
@@ -102,7 +102,8 @@
 		key->expiry = 0;
 	}
 
-	kfree_rcu(zap, rcu);
+	if (zap)
+		kfree_rcu(zap, rcu);
 
 error:
 	return ret;
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 6aceef5..5c32f36 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -102,9 +102,6 @@
 
 const char *smack_cipso_option = SMACK_CIPSO_OPTION;
 
-
-#define	SEQ_READ_FINISHED	((loff_t)-1)
-
 /*
  * Values for parsing cipso rules
  * SMK_DIGITLEN: Length of a digit field in a rule.
@@ -357,10 +354,12 @@
 
 	rc = count;
 	/*
+	 * If this is "load" as opposed to "load-self" and a new rule
+	 * it needs to get added for reporting.
 	 * smk_set_access returns true if there was already a rule
 	 * for the subject/object pair, and false if it was new.
 	 */
-	if (!smk_set_access(rule, rule_list, rule_lock)) {
+	if (load && !smk_set_access(rule, rule_list, rule_lock)) {
 		smlp = kzalloc(sizeof(*smlp), GFP_KERNEL);
 		if (smlp != NULL) {
 			smlp->smk_rule = rule;
@@ -377,12 +376,12 @@
 	return rc;
 }
 
-
 /*
- * Seq_file read operations for /smack/load
+ * Core logic for smackfs seq list operations.
  */
 
-static void *load_seq_start(struct seq_file *s, loff_t *pos)
+static void *smk_seq_start(struct seq_file *s, loff_t *pos,
+				struct list_head *head)
 {
 	struct list_head *list;
 
@@ -390,7 +389,7 @@
 	 * This is 0 the first time through.
 	 */
 	if (s->index == 0)
-		s->private = &smack_rule_list;
+		s->private = head;
 
 	if (s->private == NULL)
 		return NULL;
@@ -404,11 +403,12 @@
 	return list;
 }
 
-static void *load_seq_next(struct seq_file *s, void *v, loff_t *pos)
+static void *smk_seq_next(struct seq_file *s, void *v, loff_t *pos,
+				struct list_head *head)
 {
 	struct list_head *list = v;
 
-	if (list_is_last(list, &smack_rule_list)) {
+	if (list_is_last(list, head)) {
 		s->private = NULL;
 		return NULL;
 	}
@@ -416,6 +416,25 @@
 	return list->next;
 }
 
+static void smk_seq_stop(struct seq_file *s, void *v)
+{
+	/* No-op */
+}
+
+/*
+ * Seq_file read operations for /smack/load
+ */
+
+static void *load_seq_start(struct seq_file *s, loff_t *pos)
+{
+	return smk_seq_start(s, pos, &smack_rule_list);
+}
+
+static void *load_seq_next(struct seq_file *s, void *v, loff_t *pos)
+{
+	return smk_seq_next(s, v, pos, &smack_rule_list);
+}
+
 static int load_seq_show(struct seq_file *s, void *v)
 {
 	struct list_head *list = v;
@@ -446,16 +465,11 @@
 	return 0;
 }
 
-static void load_seq_stop(struct seq_file *s, void *v)
-{
-	/* No-op */
-}
-
 static const struct seq_operations load_seq_ops = {
 	.start = load_seq_start,
 	.next  = load_seq_next,
 	.show  = load_seq_show,
-	.stop  = load_seq_stop,
+	.stop  = smk_seq_stop,
 };
 
 /**
@@ -574,28 +588,12 @@
 
 static void *cipso_seq_start(struct seq_file *s, loff_t *pos)
 {
-	if (*pos == SEQ_READ_FINISHED)
-		return NULL;
-	if (list_empty(&smack_known_list))
-		return NULL;
-
-	return smack_known_list.next;
+	return smk_seq_start(s, pos, &smack_known_list);
 }
 
 static void *cipso_seq_next(struct seq_file *s, void *v, loff_t *pos)
 {
-	struct list_head  *list = v;
-
-	/*
-	 * labels with no associated cipso value wont be printed
-	 * in cipso_seq_show
-	 */
-	if (list_is_last(list, &smack_known_list)) {
-		*pos = SEQ_READ_FINISHED;
-		return NULL;
-	}
-
-	return list->next;
+	return smk_seq_next(s, v, pos, &smack_known_list);
 }
 
 /*
@@ -634,16 +632,11 @@
 	return 0;
 }
 
-static void cipso_seq_stop(struct seq_file *s, void *v)
-{
-	/* No-op */
-}
-
 static const struct seq_operations cipso_seq_ops = {
 	.start = cipso_seq_start,
-	.stop  = cipso_seq_stop,
 	.next  = cipso_seq_next,
 	.show  = cipso_seq_show,
+	.stop  = smk_seq_stop,
 };
 
 /**
@@ -788,23 +781,12 @@
 
 static void *netlbladdr_seq_start(struct seq_file *s, loff_t *pos)
 {
-	if (*pos == SEQ_READ_FINISHED)
-		return NULL;
-	if (list_empty(&smk_netlbladdr_list))
-		return NULL;
-	return smk_netlbladdr_list.next;
+	return smk_seq_start(s, pos, &smk_netlbladdr_list);
 }
 
 static void *netlbladdr_seq_next(struct seq_file *s, void *v, loff_t *pos)
 {
-	struct list_head *list = v;
-
-	if (list_is_last(list, &smk_netlbladdr_list)) {
-		*pos = SEQ_READ_FINISHED;
-		return NULL;
-	}
-
-	return list->next;
+	return smk_seq_next(s, v, pos, &smk_netlbladdr_list);
 }
 #define BEBITS	(sizeof(__be32) * 8)
 
@@ -828,16 +810,11 @@
 	return 0;
 }
 
-static void netlbladdr_seq_stop(struct seq_file *s, void *v)
-{
-	/* No-op */
-}
-
 static const struct seq_operations netlbladdr_seq_ops = {
 	.start = netlbladdr_seq_start,
-	.stop  = netlbladdr_seq_stop,
 	.next  = netlbladdr_seq_next,
 	.show  = netlbladdr_seq_show,
+	.stop  = smk_seq_stop,
 };
 
 /**
@@ -1405,23 +1382,14 @@
 {
 	struct task_smack *tsp = current_security();
 
-	if (*pos == SEQ_READ_FINISHED)
-		return NULL;
-	if (list_empty(&tsp->smk_rules))
-		return NULL;
-	return tsp->smk_rules.next;
+	return smk_seq_start(s, pos, &tsp->smk_rules);
 }
 
 static void *load_self_seq_next(struct seq_file *s, void *v, loff_t *pos)
 {
 	struct task_smack *tsp = current_security();
-	struct list_head *list = v;
 
-	if (list_is_last(list, &tsp->smk_rules)) {
-		*pos = SEQ_READ_FINISHED;
-		return NULL;
-	}
-	return list->next;
+	return smk_seq_next(s, v, pos, &tsp->smk_rules);
 }
 
 static int load_self_seq_show(struct seq_file *s, void *v)
@@ -1453,16 +1421,11 @@
 	return 0;
 }
 
-static void load_self_seq_stop(struct seq_file *s, void *v)
-{
-	/* No-op */
-}
-
 static const struct seq_operations load_self_seq_ops = {
 	.start = load_self_seq_start,
 	.next  = load_self_seq_next,
 	.show  = load_self_seq_show,
-	.stop  = load_self_seq_stop,
+	.stop  = smk_seq_stop,
 };
 
 
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index 1c8ddf5..7ae7578 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -297,10 +297,18 @@
 					buf + ELD_FIXED_BYTES + mnl + 3 * i);
 	}
 
+	/*
+	 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
+	 * in console or for audio devices. Assume the highest speakers
+	 * configuration, to _not_ prohibit multi-channel audio playback.
+	 */
+	if (!e->spk_alloc)
+		e->spk_alloc = 0xffff;
+
+	e->eld_valid = true;
 	return 0;
 
 out_fail:
-	e->eld_ver = 0;
 	return -EINVAL;
 }
 
@@ -323,9 +331,6 @@
 	 * ELD is valid, actual eld_size is assigned in hdmi_update_eld()
 	 */
 
-	if (!eld->eld_valid)
-		return -ENOENT;
-
 	size = snd_hdmi_get_eld_size(codec, nid);
 	if (size == 0) {
 		/* wfg: workaround for ASUS P5E-VM HDMI board */
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index 6579e0f..618ddad 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -653,6 +653,9 @@
 	int	spk_alloc;
 	int	sad_count;
 	struct cea_sad sad[ELD_MAX_SAD];
+	/*
+	 * all fields above eld_buffer will be cleared before updating ELD
+	 */
 	char    eld_buffer[ELD_MAX_SIZE];
 #ifdef CONFIG_PROC_FS
 	struct snd_info_entry *proc_entry;
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 2a2d864..2fbab8e 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -237,6 +237,15 @@
 	return snd_hda_multi_out_dig_cleanup(codec, &spec->multiout);
 }
 
+static void cs_update_input_select(struct hda_codec *codec)
+{
+	struct cs_spec *spec = codec->spec;
+	if (spec->cur_adc)
+		snd_hda_codec_write(codec, spec->cur_adc, 0,
+				    AC_VERB_SET_CONNECT_SEL,
+				    spec->adc_idx[spec->cur_input]);
+}
+
 /*
  * Analog capture
  */
@@ -250,6 +259,7 @@
 	spec->cur_adc = spec->adc_nid[spec->cur_input];
 	spec->cur_adc_stream_tag = stream_tag;
 	spec->cur_adc_format = format;
+	cs_update_input_select(codec);
 	snd_hda_codec_setup_stream(codec, spec->cur_adc, stream_tag, 0, format);
 	return 0;
 }
@@ -689,10 +699,8 @@
 					   spec->cur_adc_stream_tag, 0,
 					   spec->cur_adc_format);
 	}
-	snd_hda_codec_write(codec, spec->cur_adc, 0,
-			    AC_VERB_SET_CONNECT_SEL,
-			    spec->adc_idx[idx]);
 	spec->cur_input = idx;
+	cs_update_input_select(codec);
 	return 1;
 }
 
@@ -973,10 +981,7 @@
 		} else  {
 			spec->cur_input = spec->last_input;
 		}
-
-		snd_hda_codec_write_cache(codec, spec->cur_adc, 0,
-					AC_VERB_SET_CONNECT_SEL,
-					spec->adc_idx[spec->cur_input]);
+		cs_update_input_select(codec);
 	} else {
 		if (present)
 			change_cur_input(codec, spec->automic_idx, 0);
@@ -1073,9 +1078,7 @@
 			cs_automic(codec);
 		else  {
 			spec->cur_adc = spec->adc_nid[spec->cur_input];
-			snd_hda_codec_write(codec, spec->cur_adc, 0,
-					AC_VERB_SET_CONNECT_SEL,
-					spec->adc_idx[spec->cur_input]);
+			cs_update_input_select(codec);
 		}
 	} else {
 		change_cur_input(codec, spec->cur_input, 1);
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 81b7b79..9850c5b 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -65,7 +65,10 @@
 	hda_nid_t pin_nid;
 	int num_mux_nids;
 	hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
+
+	struct hda_codec *codec;
 	struct hdmi_eld sink_eld;
+	struct delayed_work work;
 };
 
 struct hdmi_spec {
@@ -745,8 +748,7 @@
  * Unsolicited events
  */
 
-static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
-			       struct hdmi_eld *eld);
+static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry);
 
 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 {
@@ -755,7 +757,6 @@
 	int pd = !!(res & AC_UNSOL_RES_PD);
 	int eldv = !!(res & AC_UNSOL_RES_ELDV);
 	int pin_idx;
-	struct hdmi_eld *eld;
 
 	printk(KERN_INFO
 		"HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
@@ -764,17 +765,8 @@
 	pin_idx = pin_nid_to_pin_index(spec, pin_nid);
 	if (pin_idx < 0)
 		return;
-	eld = &spec->pins[pin_idx].sink_eld;
 
-	hdmi_present_sense(codec, pin_nid, eld);
-
-	/*
-	 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
-	 * in console or for audio devices. Assume the highest speakers
-	 * configuration, to _not_ prohibit multi-channel audio playback.
-	 */
-	if (!eld->spk_alloc)
-		eld->spk_alloc = 0xffff;
+	hdmi_present_sense(&spec->pins[pin_idx], true);
 }
 
 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
@@ -968,9 +960,11 @@
 	return 0;
 }
 
-static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
-			       struct hdmi_eld *eld)
+static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, bool retry)
 {
+	struct hda_codec *codec = per_pin->codec;
+	struct hdmi_eld *eld = &per_pin->sink_eld;
+	hda_nid_t pin_nid = per_pin->pin_nid;
 	/*
 	 * Always execute a GetPinSense verb here, even when called from
 	 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
@@ -980,26 +974,39 @@
 	 * the unsolicited response to avoid custom WARs.
 	 */
 	int present = snd_hda_pin_sense(codec, pin_nid);
+	bool eld_valid = false;
 
-	memset(eld, 0, sizeof(*eld));
+	memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
 
 	eld->monitor_present	= !!(present & AC_PINSENSE_PRESENCE);
 	if (eld->monitor_present)
-		eld->eld_valid	= !!(present & AC_PINSENSE_ELDV);
-	else
-		eld->eld_valid	= 0;
+		eld_valid	= !!(present & AC_PINSENSE_ELDV);
 
 	printk(KERN_INFO
 		"HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
-		codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
+		codec->addr, pin_nid, eld->monitor_present, eld_valid);
 
-	if (eld->eld_valid)
+	if (eld_valid) {
 		if (!snd_hdmi_get_eld(eld, codec, pin_nid))
 			snd_hdmi_show_eld(eld);
+		else if (retry) {
+			queue_delayed_work(codec->bus->workq,
+					   &per_pin->work,
+					   msecs_to_jiffies(300));
+		}
+	}
 
 	snd_hda_input_jack_report(codec, pin_nid);
 }
 
+static void hdmi_repoll_eld(struct work_struct *work)
+{
+	struct hdmi_spec_per_pin *per_pin =
+	container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
+
+	hdmi_present_sense(per_pin, false);
+}
+
 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 {
 	struct hdmi_spec *spec = codec->spec;
@@ -1228,7 +1235,7 @@
 	if (err < 0)
 		return err;
 
-	hdmi_present_sense(codec, per_pin->pin_nid, &per_pin->sink_eld);
+	hdmi_present_sense(per_pin, false);
 	return 0;
 }
 
@@ -1279,6 +1286,8 @@
 				    AC_VERB_SET_UNSOLICITED_ENABLE,
 				    AC_USRSP_EN | pin_nid);
 
+		per_pin->codec = codec;
+		INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
 		snd_hda_eld_proc_new(codec, eld, pin_idx);
 	}
 	return 0;
@@ -1293,10 +1302,12 @@
 		struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
 		struct hdmi_eld *eld = &per_pin->sink_eld;
 
+		cancel_delayed_work(&per_pin->work);
 		snd_hda_eld_proc_free(codec, eld);
 	}
 	snd_hda_input_jack_free(codec);
 
+	flush_workqueue(codec->bus->workq);
 	kfree(spec);
 }
 
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 308bb57..336d14e 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1452,7 +1452,7 @@
 		switch (fix->type) {
 		case ALC_FIXUP_SKU:
 			if (action != ALC_FIXUP_ACT_PRE_PROBE || !fix->v.sku)
-				break;;
+				break;
 			snd_printdd(KERN_INFO "hda_codec: %s: "
 				    "Apply sku override for %s\n",
 				    codec->chip_name, modelname);
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index edc2b7b..470f6f2 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -227,7 +227,6 @@
 
 	/* power management */
 	unsigned int num_pwrs;
-	const unsigned int *pwr_mapping;
 	const hda_nid_t *pwr_nids;
 	const hda_nid_t *dac_list;
 
@@ -374,18 +373,15 @@
 
 #define STAC92HD83_DAC_COUNT 3
 
-static const hda_nid_t stac92hd83xxx_pwr_nids[4] = {
-	0xa, 0xb, 0xd, 0xe,
+static const hda_nid_t stac92hd83xxx_pwr_nids[7] = {
+	0x0a, 0x0b, 0x0c, 0xd, 0x0e,
+	0x0f, 0x10
 };
 
 static const hda_nid_t stac92hd83xxx_slave_dig_outs[2] = {
 	0x1e, 0,
 };
 
-static const unsigned int stac92hd83xxx_pwr_mapping[4] = {
-	0x03, 0x0c, 0x20, 0x40,
-};
-
 static const hda_nid_t stac92hd83xxx_dmic_nids[] = {
 		0x11, 0x20,
 };
@@ -4470,8 +4466,12 @@
 				stac_toggle_power_map(codec, nid, 1);
 			continue;
 		}
-		if (enable_pin_detect(codec, nid, STAC_PWR_EVENT))
+		if (enable_pin_detect(codec, nid, STAC_PWR_EVENT)) {
 			stac_issue_unsol_event(codec, nid);
+			continue;
+		}
+		/* none of the above, turn the port OFF */
+		stac_toggle_power_map(codec, nid, 0);
 	}
 
 	/* sync mute LED */
@@ -4727,11 +4727,7 @@
 	if (idx >= spec->num_pwrs)
 		return;
 
-	/* several codecs have two power down bits */
-	if (spec->pwr_mapping)
-		idx = spec->pwr_mapping[idx];
-	else
-		idx = 1 << idx;
+	idx = 1 << idx;
 
 	val = snd_hda_codec_read(codec, codec->afg, 0, 0x0fec, 0x0) & 0xff;
 	if (enable)
@@ -5629,9 +5625,6 @@
 		snd_hda_codec_set_pincfg(codec, 0xf, 0x2181205e);
 	}
 
-	/* reset pin power-down; Windows may leave these bits after reboot */
-	snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7EC, 0);
-	snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7ED, 0);
 	codec->no_trigger_sense = 1;
 	codec->spec = spec;
 
@@ -5641,7 +5634,6 @@
 	codec->slave_dig_outs = stac92hd83xxx_slave_dig_outs;
 	spec->digbeep_nid = 0x21;
 	spec->pwr_nids = stac92hd83xxx_pwr_nids;
-	spec->pwr_mapping = stac92hd83xxx_pwr_mapping;
 	spec->num_pwrs = ARRAY_SIZE(stac92hd83xxx_pwr_nids);
 	spec->multiout.dac_nids = spec->dac_nids;
 	spec->init = stac92hd83xxx_core_init;
@@ -5658,9 +5650,6 @@
 		stac92xx_set_config_regs(codec,
 				stac92hd83xxx_brd_tbl[spec->board_config]);
 
-	if (spec->board_config != STAC_92HD83XXX_PWR_REF)
-		spec->num_pwrs = 0;
-
 	codec->patch_ops = stac92xx_patch_ops;
 
 	if (find_mute_led_gpio(codec, 0))
@@ -5869,8 +5858,6 @@
 		    (codec->revision_id & 0xf) == 1)
 			spec->stream_delay = 40; /* 40 milliseconds */
 
-		/* no output amps */
-		spec->num_pwrs = 0;
 		/* disable VSW */
 		spec->init = stac92hd71bxx_core_init;
 		unmute_init++;
@@ -5885,8 +5872,6 @@
 		if ((codec->revision_id & 0xf) == 1)
 			spec->stream_delay = 40; /* 40 milliseconds */
 
-		/* no output amps */
-		spec->num_pwrs = 0;
 		/* fallthru */
 	default:
 		spec->init = stac92hd71bxx_core_init;
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 30e2bef..8b4c253 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -747,6 +747,18 @@
     # Add space to evaluate the character before $
     $option = " $option";
     my $retval = "";
+    my $repeated = 0;
+    my $parent = 0;
+
+    foreach my $test (keys %repeat_tests) {
+	if ($i >= $test &&
+	    $i < $test + $repeat_tests{$test}) {
+
+	    $repeated = 1;
+	    $parent = $test;
+	    last;
+	}
+    }
 
     while ($option =~ /(.*?[^\\])\$\{(.*?)\}(.*)/) {
 	my $start = $1;
@@ -760,10 +772,14 @@
 	# otherwise see if the default OPT (without [$i]) exists.
 
 	my $o = "$var\[$i\]";
+	my $parento = "$var\[$parent\]";
 
 	if (defined($opt{$o})) {
 	    $o = $opt{$o};
 	    $retval = "$retval$o";
+	} elsif ($repeated && defined($opt{$parento})) {
+	    $o = $opt{$parento};
+	    $retval = "$retval$o";
 	} elsif (defined($opt{$var})) {
 	    $o = $opt{$var};
 	    $retval = "$retval$o";