platform/kernel/linux-arm64.git
13 years agoARM: OMAP: omap_device: Include linux/export.h
Axel Lin [Mon, 7 Nov 2011 20:27:10 +0000 (12:27 -0800)]
ARM: OMAP: omap_device: Include linux/export.h

Include linux/export.h to fix below build warning:

  CC      arch/arm/plat-omap/omap_device.o
arch/arm/plat-omap/omap_device.c:1055: warning: data definition has no type or storage class
arch/arm/plat-omap/omap_device.c:1055: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL'
arch/arm/plat-omap/omap_device.c:1055: warning: parameter names (without types) in function declaration

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
13 years agoMerge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Mon, 7 Nov 2011 03:44:47 +0000 (19:44 -0800)]
Merge branch 'modsplit-Oct31_2011' of git://git./linux/kernel/git/paulg/linux

* 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits)
  Revert "tracing: Include module.h in define_trace.h"
  irq: don't put module.h into irq.h for tracking irqgen modules.
  bluetooth: macroize two small inlines to avoid module.h
  ip_vs.h: fix implicit use of module_get/module_put from module.h
  nf_conntrack.h: fix up fallout from implicit moduleparam.h presence
  include: replace linux/module.h with "struct module" wherever possible
  include: convert various register fcns to macros to avoid include chaining
  crypto.h: remove unused crypto_tfm_alg_modname() inline
  uwb.h: fix implicit use of asm/page.h for PAGE_SIZE
  pm_runtime.h: explicitly requires notifier.h
  linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h
  miscdevice.h: fix up implicit use of lists and types
  stop_machine.h: fix implicit use of smp.h for smp_processor_id
  of: fix implicit use of errno.h in include/linux/of.h
  of_platform.h: delete needless include <linux/module.h>
  acpi: remove module.h include from platform/aclinux.h
  miscdevice.h: delete unnecessary inclusion of module.h
  device_cgroup.h: delete needless include <linux/module.h>
  net: sch_generic remove redundant use of <linux/module.h>
  net: inet_timewait_sock doesnt need <linux/module.h>
  ...

Fix up trivial conflicts (other header files, and  removal of the ab3550 mfd driver) in
 - drivers/media/dvb/frontends/dibx000_common.c
 - drivers/media/video/{mt9m111.c,ov6650.c}
 - drivers/mfd/ab3550-core.c
 - include/linux/dmaengine.h

13 years agoMerge branch 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Mon, 7 Nov 2011 03:02:23 +0000 (19:02 -0800)]
Merge branch 'writeback-for-linus' of git://git./linux/kernel/git/wfg/linux

* 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
  writeback: Add a 'reason' to wb_writeback_work
  writeback: send work item to queue_io, move_expired_inodes
  writeback: trace event balance_dirty_pages
  writeback: trace event bdi_dirty_ratelimit
  writeback: fix ppc compile warnings on do_div(long long, unsigned long)
  writeback: per-bdi background threshold
  writeback: dirty position control - bdi reserve area
  writeback: control dirty pause time
  writeback: limit max dirty pause time
  writeback: IO-less balance_dirty_pages()
  writeback: per task dirty rate limit
  writeback: stabilize bdi->dirty_ratelimit
  writeback: dirty rate control
  writeback: add bg_threshold parameter to __bdi_update_bandwidth()
  writeback: dirty position control
  writeback: account per-bdi accumulated dirtied pages

13 years agoMerge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target...
Linus Torvalds [Mon, 7 Nov 2011 03:00:42 +0000 (19:00 -0800)]
Merge branch 'for-next' of git://git./linux/kernel/git/nab/target-pending

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  target: use ->exectute_task for all CDB emulation
  target: remove SCF_EMULATE_CDB_ASYNC
  target: refactor transport_emulate_control_cdb
  target: pass the se_task to the CDB emulation callback
  target: split core_scsi3_emulate_pr
  target: split core_scsi2_emulate_crh
  target: Add generic active I/O shutdown logic
  target: add back error handling in transport_complete_task
  target/pscsi: blk_make_request() returns an ERR_PTR()
  target: Remove core TRANSPORT_FREE_CMD_INTR usage
  target: Make TFO->check_stop_free return free status
  iscsi-target: Fix non-immediate TMR handling
  iscsi-target: Add missing CMDSN_LOWER_THAN_EXP check in iscsit_handle_scsi_cmd
  target: Avoid double list_del for aborted se_tmr_req
  target: Minor cleanups to core_tmr_drain_tmr_list
  target: Fix wrong se_tmr being added to drain_tmr_list
  target: Fix incorrect se_cmd assignment in core_tmr_drain_tmr_list
  target: Check -ENOMEM to signal QUEUE_FULL from fabric callbacks
  tcm_loop: Add explict read buffer memset for SCF_SCSI_CONTROL_SG_IO_CDB
  target: Fix compile warning w/ missing module.h include

13 years agoMerge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Linus Torvalds [Mon, 7 Nov 2011 02:54:53 +0000 (18:54 -0800)]
Merge branch 'trivial' of git://git./linux/kernel/git/mmarek/kbuild

* 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  scsi: drop unused Kconfig symbol
  pci: drop unused Kconfig symbol
  stmmac: drop unused Kconfig symbol
  x86: drop unused Kconfig symbol
  powerpc: drop unused Kconfig symbols
  powerpc: 40x: drop unused Kconfig symbol
  mips: drop unused Kconfig symbols
  openrisc: drop unused Kconfig symbols
  arm: at91: drop unused Kconfig symbol
  samples: drop unused Kconfig symbol
  m32r: drop unused Kconfig symbol
  score: drop unused Kconfig symbols
  sh: drop unused Kconfig symbol
  um: drop unused Kconfig symbol
  sparc: drop unused Kconfig symbol
  alpha: drop unused Kconfig symbol

Fix up trivial conflict in drivers/net/ethernet/stmicro/stmmac/Kconfig
as per Michal: the STMMAC_DUAL_MAC config variable is still unused and
should be deleted.

13 years agoMerge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Linus Torvalds [Mon, 7 Nov 2011 02:53:33 +0000 (18:53 -0800)]
Merge branch 'misc' of git://git./linux/kernel/git/mmarek/kbuild

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  script/checkpatch.pl: warn about deprecated use of EXTRA_{A,C,CPP,LD}FLAGS
  tags, powerpc: Update tags.sh to support _GLOBAL symbols
  scripts: add extract-vmlinux

13 years agoMerge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Linus Torvalds [Mon, 7 Nov 2011 02:52:52 +0000 (18:52 -0800)]
Merge branch 'kconfig' of git://git./linux/kernel/git/mmarek/kbuild

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  scripts/kconfig/nconf: add KEY_HOME / KEY_END for dialog_inputbox
  scripts/kconfig/nconf: fix editing long strings
  scripts/kconfig/nconf: dynamically alloc dialog_input_result
  scripts/kconfig/nconf: fix memmove's length arg
  scripts/kconfig/nconf: fix typo: unknow => unknown
  kconfig: fix set but not used variables
  kconfig: handle SIGINT in menuconfig
  kconfig: fix __enabled_ macros definition for invisible and un-selected symbols
  kconfig: factor code in menu_get_ext_help()
  kbuild: Fix help text not displayed in choice option.
  kconfig/nconf: nuke unreferenced `nohelp_text'
  kconfig/streamline_config.pl: merge local{mod,yes}config
  kconfig/streamline_config.pl: use options to determine operating mode
  kconfig/streamline_config.pl: directly access LSMOD from the environment

13 years agoMerge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Linus Torvalds [Mon, 7 Nov 2011 02:41:27 +0000 (18:41 -0800)]
Merge branch 'kbuild' of git://git./linux/kernel/git/mmarek/kbuild

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  Kbuild: append missing-syscalls to the default target list
  genksyms: Regenerate lexer and parser
  genksyms: Do not expand internal types
  genksyms: Minor parser cleanup
  Makefile: remove a duplicated line
  fixdep: fix extraneous dependencies
  scripts/Makefile.build: do not reference EXTRA_CFLAGS as CFLAGS replacement
  kbuild: prevent make from deleting _shipped files
  kbuild: Do not delete empty files in make distclean

13 years agohid/apple: modern macbook airs use the standard apple function key translations
Linus Torvalds [Mon, 7 Nov 2011 02:34:03 +0000 (18:34 -0800)]
hid/apple: modern macbook airs use the standard apple function key translations

This removes the use of the special "macbookair_fn_keys" keyboard
translation table for the MacBookAir4,x models (ie the 2011 refresh).
They use the standard apple_fn_keys[] translation.  Apparently only the
old MacBook Air's need a different translation table.

This mirrors the change that commit da617c7cb915 ("HID: consolidate
MacbookAir 4,1 mappings") did for the WELLSPRING6A ones, but does it for
the WELLSPRING6 model used on the MacBookAir4,2.

Reported-and-tested-by: Dirk Hohndel <hohndel@infradead.org>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Joshua V Dillon <jvdillon@gmail.com>
Cc: Chase Douglas <chase.douglas@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'stable/vmalloc-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Mon, 7 Nov 2011 02:31:36 +0000 (18:31 -0800)]
Merge branch 'stable/vmalloc-3.2' of git://git./linux/kernel/git/konrad/xen

* 'stable/vmalloc-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  net: xen-netback: use API provided by xenbus module to map rings
  block: xen-blkback: use API provided by xenbus module to map rings
  xen: use generic functions instead of xen_{alloc, free}_vm_area()

13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
Linus Torvalds [Mon, 7 Nov 2011 01:28:44 +0000 (17:28 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/sage/ceph-client

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  ceph/super.c: quiet sparse noise
  ceph/mds_client.c: quiet sparse noise
  ceph: use new D_COMPLETE dentry flag
  ceph: clear parent D_COMPLETE flag when on dentry prune

13 years agoMerge git://github.com/rustyrussell/linux
Linus Torvalds [Mon, 7 Nov 2011 01:28:32 +0000 (17:28 -0800)]
Merge git://github.com/rustyrussell/linux

* git://github.com/rustyrussell/linux:
  module,bug: Add TAINT_OOT_MODULE flag for modules not built in-tree
  module: Enable dynamic debugging regardless of taint

13 years agoMerge branch 'rmobile-latest' of git://github.com/pmundt/linux-sh
Linus Torvalds [Mon, 7 Nov 2011 01:28:13 +0000 (17:28 -0800)]
Merge branch 'rmobile-latest' of git://github.com/pmundt/linux-sh

* 'rmobile-latest' of git://github.com/pmundt/linux-sh: (21 commits)
  ARM: mach-shmobile: ag5evm needs CONFIG_I2C
  ARM: mach-shmobile: sh73a0 and AG5EVM PINT support
  ARM: mach-shmobile: Add support for PINT though INTC macros
  ARM: mach-shmobile: SDHI0 GPIO hotplug for AG5EVM
  ARM: mach-shmobile: Use common INTC IRQ code on sh73a0
  ARM: mach-shmobile: Use common INTC IRQ code on sh7372
  ARM: mach-shmobile: Use common INTC IRQ code on sh7377
  ARM: mach-shmobile: Use common INTC IRQ code on sh7367
  ARM: mach-shmobile: sh73a0 GPIO IRQ support
  ARM: sh7372 ap4evb NOR Flash USB boot fix
  ARM: mach-shmobile: sh7372 Mackerel NOR Flash USB boot fix
  sh: intc: Allow triggering on both edges for ARM SoCs
  ARM: mach-shmobile: Break out INTC IRQ code
  ARM: mach-shmobile: Kota2 SDHI0 and SDHI1 support
  ARM: mach-shmobile: Kota2 SCIFA4 and SCIFB support
  ARM: mach-shmobile: Kota2 MMCIF support
  ARM: mach-shmobile: Kota2 GPIO LEDs support
  ARM: mach-shmobile: Kota2 GPIO Keys support
  ARM: mach-shmobile: Kota2 KEYSC support
  ARM: mach-shmobile: Kota2 SCIFA2 and SMSC911X support
  ...

13 years agoMerge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Mon, 7 Nov 2011 01:12:03 +0000 (17:12 -0800)]
Merge branch 'next' of git://git./linux/kernel/git/benh/powerpc

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (106 commits)
  powerpc/p3060qds: Add support for P3060QDS board
  powerpc/83xx: Add shutdown request support to MCU handling on MPC8349 MITX
  powerpc/85xx: Make kexec to interate over online cpus
  powerpc/fsl_booke: Fix comment in head_fsl_booke.S
  powerpc/85xx: issue 15 EOI after core reset for FSL CoreNet devices
  powerpc/8xxx: Fix interrupt handling in MPC8xxx GPIO driver
  powerpc/85xx: Add 'fsl,pq3-gpio' compatiable for GPIO driver
  powerpc/86xx: Correct Gianfar support for GE boards
  powerpc/cpm: Clear muram before it is in use.
  drivers/virt: add ioctl for 32-bit compat on 64-bit to fsl-hv-manager
  powerpc/fsl_msi: add support for "msi-address-64" property
  powerpc/85xx: Setup secondary cores PIR with hard SMP id
  powerpc/fsl-booke: Fix settlbcam for 64-bit
  powerpc/85xx: Adding DCSR node to dtsi device trees
  powerpc/85xx: clean up FPGA device tree nodes for Freecsale QorIQ boards
  powerpc/85xx: fix PHYS_64BIT selection for P1022DS
  powerpc/fsl-booke: Fix setup_initial_memory_limit to not blindly map
  powerpc: respect mem= setting for early memory limit setup
  powerpc: Update corenet64_smp_defconfig
  powerpc: Update mpc85xx/corenet 32-bit defconfigs
  ...

Fix up trivial conflicts in:
 - arch/powerpc/configs/40x/hcu4_defconfig
removed stale file, edited elsewhere
 - arch/powerpc/include/asm/udbg.h, arch/powerpc/kernel/udbg.c:
added opal and gelic drivers vs added ePAPR driver
 - drivers/tty/serial/8250.c
moved UPIO_TSI to powerpc vs removed UPIO_DWAPB support

13 years agoMerge branch 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur...
Linus Torvalds [Mon, 7 Nov 2011 00:58:33 +0000 (16:58 -0800)]
Merge branch 'fixes' of ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm

* 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm:
  ARM: PXA: fix includes in pxa2xx_cm_x2xx PCMCIA driver
  ARM: PXA: fix gpio-pxa.h build errors
  ARM: 7142/1: davinci: mark GPIO implementation complex
  ARM: 7134/1: Revert "EXYNOS4: Fix routing timer interrupt to offline CPU"
  ARM: PXA: eseries: fix eseries_register_clks section mismatch warning
  ARM: PXA: fix lubbock PCMCIA driver build error

13 years agomodule,bug: Add TAINT_OOT_MODULE flag for modules not built in-tree
Ben Hutchings [Mon, 24 Oct 2011 13:12:28 +0000 (15:12 +0200)]
module,bug: Add TAINT_OOT_MODULE flag for modules not built in-tree

Use of the GPL or a compatible licence doesn't necessarily make the code
any good.  We already consider staging modules to be suspect, and this
should also be true for out-of-tree modules which may receive very
little review.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Reviewed-by: Dave Jones <davej@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (patched oops-tracing.txt)
13 years agomodule: Enable dynamic debugging regardless of taint
Ben Hutchings [Tue, 1 Nov 2011 03:59:33 +0000 (03:59 +0000)]
module: Enable dynamic debugging regardless of taint

Dynamic debugging is currently disabled for tainted modules, except
for TAINT_CRAP.  This prevents use of dynamic debugging for
out-of-tree modules once the next patch is applied.

This condition was apparently intended to avoid a crash if a force-
loaded module has an incompatible definition of dynamic debug
structures.  However, a administrator that forces us to load a module
is claiming that it *is* compatible even though it fails our version
checks.  If they are mistaken, there are any number of ways the module
could crash the system.

As a side-effect, proprietary and other tainted modules can now use
dynamic_debug.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
13 years agoMerge branch 'next/move' of git://git.linaro.org/people/arnd/arm-soc
Linus Torvalds [Sun, 6 Nov 2011 20:25:11 +0000 (12:25 -0800)]
Merge branch 'next/move' of git://git.linaro.org/people/arnd/arm-soc

* 'next/move' of git://git.linaro.org/people/arnd/arm-soc:
  ARM: EXYNOS: Add ARCH_EXYNOS and reorganize arch/arm/mach-exynos
  ARM: EXYNOS4: convert MCT to percpu interrupt API
  ARM: SAMSUNG: Add clk enable/disable of pwm
  ARM: SAMSUNG: Fix compile error due to kfree

13 years agoMerge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelv...
Linus Torvalds [Sun, 6 Nov 2011 20:15:26 +0000 (12:15 -0800)]
Merge branch 'hwmon-for-linus' of git://git./linux/kernel/git/jdelvare/staging

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  hwmon: (w83627ehf) Fix broken driver init
  hwmon: (coretemp) Fix for non-SMP builds

13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Linus Torvalds [Sun, 6 Nov 2011 20:14:22 +0000 (12:14 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Revert the check of NO_PRESENCE pincfg default bit
  ALSA: hda - Fix a regression for DMA-position check with CA0110
  ALSA: hda - Fix silent output regression with ALC861
  ALSA: control: remove compilation warning on 32-bit
  ALSA: ua101: fix crash when unplugging

13 years agohwmon: (w83627ehf) Fix broken driver init
Guenter Roeck [Sun, 6 Nov 2011 19:25:18 +0000 (20:25 +0100)]
hwmon: (w83627ehf) Fix broken driver init

Commit 2265cef2 (hwmon: (w83627ehf) Properly report PECI and AMD-SI
sensor types) results in kernel panic if data->temp_label was not
initialized.
The problem was found with chip W83627DHG-P.

Add check if data->temp->label was set before use.

Based on incomplete patch by Alexander Beregalov.

Reported-by: Alexander Beregalov <a.beregalov@gmail.com>
Tested-by: Alexander Beregalov <a.beregalov@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
13 years agohwmon: (coretemp) Fix for non-SMP builds
Jean Delvare [Sun, 6 Nov 2011 19:25:18 +0000 (20:25 +0100)]
hwmon: (coretemp) Fix for non-SMP builds

The definition of TO_ATTR_NO in the non-SMP case is wrong. As the SMP
definition resolves to the correct value, just use this for both
cases.

Without this fix the temperature attributes are named temp0_* instead
of temp2_*, so libsensors won't pick them. Broken since kernel 3.0.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Phil Sutter <phil@nwl.cc>
Cc: stable@kernel.org
Acked-by: Durgadoss R <Durgadoss.r@intel.com>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
13 years agoALSA: hda - Revert the check of NO_PRESENCE pincfg default bit
Takashi Iwai [Sun, 6 Nov 2011 13:01:58 +0000 (14:01 +0100)]
ALSA: hda - Revert the check of NO_PRESENCE pincfg default bit

The implementation on commit [08a1f5eb: ALSA: hda - Check NO_PRESENCE
pincfg default bit] seems like a mis-interpretation of specification.
The spec gives the reversed bit definition.  But, following the spec
also causes to change so many existing device configurations, thus we
can't change it so easily for now.  For 3.2-rc1, it's safer to revert
this check (actually this patch comments out the code).

We may re-introduced the fixed version once after the wider test-case
coverages are done.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Fix a regression for DMA-position check with CA0110
Takashi Iwai [Sun, 6 Nov 2011 12:49:13 +0000 (13:49 +0100)]
ALSA: hda - Fix a regression for DMA-position check with CA0110

The regression-fix in 3.1 for the check of DMA-position validity caused
yet another regression for CA0110.  As usual, this hardware seems working
only with LPIB properly.  Adding the appropriate driver-caps bit to force
LPIB fixes the problem.

Reported-and-tested-by: Andres Freund <andres@anarazel.de>
Cc: <stable@kernel.org> [v3.1]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: hda - Fix silent output regression with ALC861
Takashi Iwai [Sun, 6 Nov 2011 10:25:34 +0000 (11:25 +0100)]
ALSA: hda - Fix silent output regression with ALC861

The 3.1 kernel has a regression for ALC861 codec where no sound output
is heard with the default setup.  It's because the amps in DACs aren't
properly unmuted while the output mixers are assigned only to pins.

This patch fixes the missing initialization of DACs when no mixer is
assigned to them.

Tested-by: Andrea Iob <andrea_iob@yahoo.it>
Cc: <stable@kernel.org> [v3.1+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: control: remove compilation warning on 32-bit
Olof Johansson [Sat, 5 Nov 2011 21:51:54 +0000 (22:51 +0100)]
ALSA: control: remove compilation warning on 32-bit

This was introduced by 'ALSA: control: add support for ENUMERATED user
space controls' which adds a u64 variable that gets cast to a pointer:

sound/core/control.c: In function 'snd_ctl_elem_init_enum_names':
sound/core/control.c:1089: warning: cast to pointer from integer of different size

Cast to uintptr_t before casting to pointer to avoid the warning.

Signed-off-by: Olof Johansson <olof@lixom.net>
[cl: replace long with uintptr_t]
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: ua101: fix crash when unplugging
Clemens Ladisch [Sat, 15 Oct 2011 21:19:25 +0000 (23:19 +0200)]
ALSA: ua101: fix crash when unplugging

If the device is unplugged while running, it is possible for a PCM
device to be closed after the disconnect callback has returned.  This
means that kill_stream_urb() and disable_iso_interface() would try to
access already-invalid or freed USB data structures.

The function free_usb_related_resources() was intended to prevent this,
but forgot to clear the affected variables.

Reported-and-tested-by: Olivier Courtay <olivier@courtay.org>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Cc: 2.6.33+ <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoARM: EXYNOS: Add ARCH_EXYNOS and reorganize arch/arm/mach-exynos
Kukjin Kim [Sun, 6 Nov 2011 04:54:56 +0000 (13:54 +0900)]
ARM: EXYNOS: Add ARCH_EXYNOS and reorganize arch/arm/mach-exynos

The arch/arm/mach-exynos4 directory (CONFIG_ARCH_EXYNOS4) has
made for plaforms based on EXYNOS4 SoCs. But since upcoming
Samsung's SoCs such as EXYNOS5 (ARM Cortex A15) can reuse most
codes in current mach-exynos4, one mach-exynos directory will
be used for them.

This patch changes to CONFIG_ARCH_EXYNOS (arch/arm/mach-exynos)
but keeps original CONFIG_ARCH_EXYNOS4 in mach-exynos/Kconfig to
avoid changing in driver side.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: EXYNOS4: convert MCT to percpu interrupt API
Marc Zyngier [Thu, 3 Nov 2011 02:13:12 +0000 (11:13 +0900)]
ARM: EXYNOS4: convert MCT to percpu interrupt API

MCT recently gained per cpu interrupts, and missed the fact that
ARM has moved to a genirq based implementation.

This patch converts the driver to the new API.

Boot tested on Origen.

Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: SAMSUNG: Add clk enable/disable of pwm
Joonyoung Shim [Fri, 4 Nov 2011 01:39:34 +0000 (10:39 +0900)]
ARM: SAMSUNG: Add clk enable/disable of pwm

PWM timers use pclk("timers" clk) as parent clk. If this pclk is the
disabled state when PWM driver is probed, then it causes wrong read and
write operation about registers of PWM.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoARM: SAMSUNG: Fix compile error due to kfree
Jonghwan Choi [Wed, 2 Nov 2011 11:13:30 +0000 (20:13 +0900)]
ARM: SAMSUNG: Fix compile error due to kfree

Fix following build error.
arch/arm/plat-samsung/dev-backlight.c: In function 'samsung_bl_set':
arch/arm/plat-samsung/dev-backlight.c:145: error: implicit declaration of function 'kfree'

Signed-off-by: Jonghwan Choi <jhbird.choi@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
13 years agoceph/super.c: quiet sparse noise
H Hartley Sweeten [Fri, 23 Sep 2011 18:53:30 +0000 (11:53 -0700)]
ceph/super.c: quiet sparse noise

Quiet the sparse noise:

warning: symbol 'create_fs_client' was not declared. Should it be static?
warning: symbol 'destroy_fs_client' was not declared. Should it be static?

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Sage Weil <sage@newdream.net>
ceph-devel@vger.kernel.org
Signed-off-by: Sage Weil <sage@newdream.net>
13 years agoceph/mds_client.c: quiet sparse noise
H Hartley Sweeten [Fri, 23 Sep 2011 20:22:11 +0000 (13:22 -0700)]
ceph/mds_client.c: quiet sparse noise

Quiet the following sparse noise:

warning: symbol 'get_nonsnap_parent' was not declared. Should it be static?
warning: symbol 'done_closing_sessions' was not declared. Should it be static?

Local functions don't need external visability. Make them static.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Sage Weil <sage@newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
13 years agoceph: use new D_COMPLETE dentry flag
Sage Weil [Thu, 3 Nov 2011 16:23:36 +0000 (09:23 -0700)]
ceph: use new D_COMPLETE dentry flag

We used to use a flag on the directory inode to track whether the dcache
contents for a directory were a complete cached copy.  Switch to a dentry
flag CEPH_D_COMPLETE that is safely updated by ->d_prune().

Signed-off-by: Sage Weil <sage@newdream.net>
13 years agoMerge branch 'next/devel2' of git://git.linaro.org/people/arnd/arm-soc
Linus Torvalds [Sun, 6 Nov 2011 01:21:21 +0000 (18:21 -0700)]
Merge branch 'next/devel2' of git://git.linaro.org/people/arnd/arm-soc

* 'next/devel2' of git://git.linaro.org/people/arnd/arm-soc: (30 commits)
  ARM: mmp: register internal sram bank
  ARM: mmp: register audio sram bank
  ARM: mmp: add sram allocator
  gpio/samsung: Complain loudly if we don't know the SoC
  ARM: S3C64XX: Fix SoC identification for S3C64xx devices
  ARM: S3C2443: Remove redundant s3c_register_clocks call for init_clocks
  ARM: S3C24XX: Add devname for hsmmc1 pclk
  ARM: S3C24XX: use clk_get_rate to init fclk in common_setup_clocks
  ARM: S3C2443: Accommodate cpufreq frequency scheme in armdiv
  ARM: S3C2443: handle unset armdiv values gracefully
  ARM: S3C2443: Add get_rate operation for clk_armdiv
  ARM: S3C2416: Add comment describing the armdiv/armclk
  ARM: S3C2443: Move clk_arm and clk_armdiv to common code
  ARM: S3C24XX: Add infrastructure to transmit armdiv to common code
  ARM: S3C2416: Add armdiv_mask constant
  ARM: EXYNOS4: Add support for M-5MOLS camera on Nuri board
  ARM: EXYNOS4: Enable MFC on ORIGEN
  ARM: SAMSUNG: Add support s3c2416-adc for S3C2416/S3C2450
  ARM: SAMSUNG: Add support s3c2443-adc for S3C2443
  ARM: SAMSUNG: Allow overriding of adc device name for S3C24XX
  ...

13 years agoMerge branch 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc
Linus Torvalds [Sun, 6 Nov 2011 01:18:05 +0000 (18:18 -0700)]
Merge branch 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc

* 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc: (79 commits)
  ARM: SAMSUNG: Move fimc plat. device from board files to plat-samsung
  ARM: SAMSUNG: Cleanup resources by using macro
  ARM: SAMSUNG: Cleanup plat-samsung/devs.c and devs.h
  ARM: S5P: To merge devs.c files to one devs.c
  ARM: S3C64XX: To merge devs.c files to one devs.c
  ARM: S3C24XX: To merge s3c24xx devs.c files to one devs.c
  ARM: S5P64X0: Add Power Management support
  ARM: S5P: Make the sleep code common for S5P series SoCs
  ARM: S5P: Make the common S5P PM code conditionally compile
  ARM: SAMSUNG: Move S5P header files to plat-samsung
  ARM: SAMSUNG: Move S3C24XX header files to plat-samsung
  ARM: SAMSUNG: Moving each SoC support header files
  ARM: SAMSUNG: Consolidate plat/pll.h
  ARM: SAMSUNG: Consolidate plat/pwm-clock.h
  ARM: SAMSUNG: Cleanup mach/clkdev.h
  ARM: SAMSUNG: remove sdhci default configuration setup platform helper
  ARM: EXYNOS4: Add FIMC device on SMDKV310 board
  ARM: EXYNOS4: Add header file protection macros
  ARM: EXYNOS4: Add usb ehci device to the SMDKV310
  ARM: S3C2443: Add hsspi-clock from pclk and rename S3C2443 hsspi sclk
  ...

Fix up conflicts in
 - arch/arm/mach-exynos4/{Kconfig,clock.c}
ARM_CPU_SUSPEND, various random device tables (gah!)
 - drivers/gpio/Makefile
sa1100 gpio added, samsung gpio drivers merged

13 years agoMAINTAINERS: Update eCryptfs maintainer address
Tyler Hicks [Sat, 5 Nov 2011 13:04:47 +0000 (09:04 -0400)]
MAINTAINERS: Update eCryptfs maintainer address

Update my email address in MAINTAINERS.

Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...
Linus Torvalds [Sun, 6 Nov 2011 00:54:18 +0000 (17:54 -0700)]
Merge branch 'pm-for-linus' of git://git./linux/kernel/git/rafael/linux-pm

* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM / Freezer: Revert 27920651fe "PM / Freezer: Make fake_signal_wake_up() wake TASK_KILLABLE tasks too"
  PM / Freezer: Reimplement wait_event_freezekillable using freezer_do_not_count/freezer_count
  USB: Update last_busy time after autosuspend fails
  PM / Runtime: Automatically retry failed autosuspends
  PM / QoS: Remove redundant check
  PM / OPP: Fix build when CONFIG_PM_OPP is not set
  PM / Runtime: Fix runtime accounting calculation error
  PM / Sleep: Update freezer documentation
  PM / Sleep: Remove unused symbol 'suspend_cpu_hotplug'
  PM / Sleep: Fix race between CPU hotplug and freezer
  ACPI / PM: Add Sony VPCEB17FX to nonvs blacklist

13 years agoMerge git://www.linux-watchdog.org/linux-watchdog
Linus Torvalds [Sat, 5 Nov 2011 22:39:39 +0000 (15:39 -0700)]
Merge git://www.linux-watchdog.org/linux-watchdog

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: Convert wm831x driver to watchdog core
  watchdog: s3c2410: convert to use the watchdog framework
  Documentation: watchdog: add guide how to convert drivers to new framework
  watchdog: iTCO_wdt.c - problems with newer hardware due to SMI clearing
  watchdog: Add WDIOC_GETTIMELEFT ioctl support to w83627 watchdog driver
  watchdog: irq: Remove IRQF_DISABLED
  watchdog: Octeon: Mark octeon_wdt interrupt as IRQF_NO_THREAD
  watchdog: sc520_wdt: Remove unnecessary cast.

13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
Linus Torvalds [Sat, 5 Nov 2011 22:32:53 +0000 (15:32 -0700)]
Merge git://git./linux/kernel/git/jejb/scsi-misc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (45 commits)
  [SCSI] Fix block queue and elevator memory leak in scsi_alloc_sdev
  [SCSI] scsi_dh_alua: Fix the time inteval for alua rtpg commands
  [SCSI] scsi_transport_iscsi: Fix documentation os parameter
  [SCSI] mv_sas: OCZ RevoDrive3 & zDrive R4 support
  [SCSI] libfc: improve flogi retries to avoid lport stuck
  [SCSI] libfc: avoid exchanges collision during lport reset
  [SCSI] libfc: fix checking FC_TYPE_BLS
  [SCSI] edd: Treat "XPRS" host bus type the same as "PCI"
  [SCSI] isci: overriding max_concurr_spinup oem parameter by max(oem, user)
  [SCSI] isci: revert bcn filtering
  [SCSI] isci: Fix hard reset timeout conditions.
  [SCSI] isci: No need to manage the pending reset bit on pending requests.
  [SCSI] isci: Remove redundant isci_request.ttype field.
  [SCSI] isci: Fix task management for SMP, SATA and on dev remove.
  [SCSI] isci: No task_done callbacks in error handler paths.
  [SCSI] isci: Handle task request timeouts correctly.
  [SCSI] isci: Fix tag leak in tasks and terminated requests.
  [SCSI] isci: Immediately fail I/O to removed devices.
  [SCSI] isci: Lookup device references through requests in completions.
  [SCSI] ipr: add definitions for additional adapter
  ...

13 years agoARM: PXA: fix includes in pxa2xx_cm_x2xx PCMCIA driver
Russell King [Sat, 5 Nov 2011 22:06:17 +0000 (22:06 +0000)]
ARM: PXA: fix includes in pxa2xx_cm_x2xx PCMCIA driver

The includes in the pxa2xx_cm_x2xx PCMCIA driver are rather random;
the driver doesn't require anything from these headers except the
cpu_is_xxx() macros which come from another include.

The concern is that it's getting these definitions via mach/system.h,
which is supposed to only be included by arch/arm/kernel/process.c.
As this header is scheduled for cleanup (and elimination) keeping
the status quo will cause build errors.  So lets fix properly and
independent of the future work.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agoARM: PXA: fix gpio-pxa.h build errors
Russell King [Sat, 5 Nov 2011 22:03:25 +0000 (22:03 +0000)]
ARM: PXA: fix gpio-pxa.h build errors

A mismerge in 43872fa (Merge branch 'depends/rmk/gpio' into next/fixes)
causes these build errors:

In file included from arch/arm/mach-pxa/include/mach/gpio.h:30,
                 from arch/arm/include/asm/gpio.h:6,
                 from include/linux/gpio.h:31,
                 from arch/arm/mach-pxa/generic.c:20:
arch/arm/mach-pxa/include/mach/gpio-pxa.h: In function â– __gpio_is_occupiedâ– :
arch/arm/mach-pxa/include/mach/gpio-pxa.h:121: error: invalid operands to binary >> (have â– void *â–  and â– unsigned intâ– )
arch/arm/mach-pxa/include/mach/gpio-pxa.h:122: error: invalid operands to binary & (have â– void *â–  and â– intâ– )
arch/arm/mach-pxa/include/mach/gpio-pxa.h:129: error: invalid operands to binary & (have â– void *â–  and â– intâ– )

So fix them.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agowatchdog: Convert wm831x driver to watchdog core
Mark Brown [Tue, 4 Oct 2011 15:43:40 +0000 (16:43 +0100)]
watchdog: Convert wm831x driver to watchdog core

Fairly large code churn but not much doing with that and the overall
result is a definite win.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
13 years agowatchdog: s3c2410: convert to use the watchdog framework
Wolfram Sang [Mon, 26 Sep 2011 13:40:14 +0000 (15:40 +0200)]
watchdog: s3c2410: convert to use the watchdog framework

Make this driver a user of the watchdog framework and remove now
centrally handled parts. Tested on a mini2440.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
13 years agoDocumentation: watchdog: add guide how to convert drivers to new framework
Wolfram Sang [Mon, 26 Sep 2011 13:40:13 +0000 (15:40 +0200)]
Documentation: watchdog: add guide how to convert drivers to new framework

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
13 years agowatchdog: iTCO_wdt.c - problems with newer hardware due to SMI clearing
Wim Van Sebroeck [Wed, 19 Oct 2011 21:59:26 +0000 (23:59 +0200)]
watchdog: iTCO_wdt.c - problems with newer hardware due to SMI clearing

Redhat Bugzilla: Bug 727875 - TCO_EN bit is disabled by TCO driver
Jiri Slaby: 28d41f53f broke temperature sensors on a ICH10 chipset

The iTCO_wdt driver disables the SMI. This breaks good working of newer hardware.
The disabling of the SMI by the TCO logic dates back from the i810-tco driver
from Nils Faerber (around 28 July 2000). The reason for this was that some BIOSes
install handlers reset or disable the watchdog timer instead of resetting the system.
The trick to fix this was to disable the SMI (by clearing the SMI_TCO_EN bit of the
SMI_EN register) to prevent this from happening.

This however has strange effects on newer hardware. So we are in a situation that
a fix for broken old hardware affects newer hardware.

The correct solution is to make this fix an option (with the new module parameter:
turn_SMI_watchdog_clear_off) so that the default behaviour is the unfixed version.

the next patch will be to move this in the start and stop functions of the driver
and to add a new module parameter for the global_smi_en bit and to get rid of the
vendor_support code.

This fix can have an effect on old (typical ICH & ICH2 chipsets) motherboards that
have a broken BIOS implementation concerning TCO logic. In these case the module
parameter turn_SMI_watchdog_clear_off=1 will need to be added.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
13 years agowatchdog: Add WDIOC_GETTIMELEFT ioctl support to w83627 watchdog driver
Greg Lee [Tue, 13 Sep 2011 00:28:46 +0000 (20:28 -0400)]
watchdog: Add WDIOC_GETTIMELEFT ioctl support to w83627 watchdog driver

Add WDIOC_GETTIMELEFT ioctl allowing you to check how much time is left
on the watchdog counter before a reset occurs.

Signed-off-by: Greg Lee <glee [at] swspec.com>
Signed-off-by: Padraig Brady <P@draigbrady.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@google.com>
13 years agowatchdog: irq: Remove IRQF_DISABLED
Yong Zhang [Wed, 7 Sep 2011 08:10:55 +0000 (16:10 +0800)]
watchdog: irq: Remove IRQF_DISABLED

This flag is a NOOP and can be removed now.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
13 years agowatchdog: Octeon: Mark octeon_wdt interrupt as IRQF_NO_THREAD
Venkat Subbiah [Tue, 4 Oct 2011 00:22:04 +0000 (17:22 -0700)]
watchdog: Octeon: Mark octeon_wdt interrupt as IRQF_NO_THREAD

This is to exclude it from force threading to allow RT patch set to work.

The watchdog timers are per-CPU and the addresses of register that reset
the timer are calculated based on the current CPU.  Therefore we cannot
allow it to run on a thread on a different CPU.  Also we only do a
single register write, which is much faster than scheduling a handler
thread.

And while on this line remove IRQF_DISABLED as this flag is a NOP.

Signed-off-by: Venkat Subbiah<venkat.subbiah@cavium.com>
Acked-by: David Daney<david.daney@cavium.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
13 years agowatchdog: sc520_wdt: Remove unnecessary cast.
Sean Young [Tue, 23 Aug 2011 21:30:09 +0000 (22:30 +0100)]
watchdog: sc520_wdt: Remove unnecessary cast.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
13 years agoARM: 7142/1: davinci: mark GPIO implementation complex
Linus Walleij [Fri, 28 Oct 2011 14:25:01 +0000 (15:25 +0100)]
ARM: 7142/1: davinci: mark GPIO implementation complex

When breaking apart the DaVinci GPIO files I accidentally
marked it non-complex while it is indeed complex.

Reported-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agoARM: 7134/1: Revert "EXYNOS4: Fix routing timer interrupt to offline CPU"
Kukjin Kim [Fri, 14 Oct 2011 11:47:01 +0000 (12:47 +0100)]
ARM: 7134/1: Revert "EXYNOS4: Fix routing timer interrupt to offline CPU"

This reverts commit 4bd0fe1c78623062263cf5ae875fd484c5b8256d.

This implementation can introduce a problem and 'ARM: SMP: fix
per cpu timer setup before the cpu is marked online' patch can
solve the cpu_oneline vs. cpu_active problem so that should be
reverted.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agoARM: PXA: eseries: fix eseries_register_clks section mismatch warning
Russell King [Thu, 27 Oct 2011 10:37:47 +0000 (11:37 +0100)]
ARM: PXA: eseries: fix eseries_register_clks section mismatch warning

Fix:

WARNING: vmlinux.o(.text+0x1a820): Section mismatch in reference from the function eseries_register_clks() to the function .init.text:clkdev_add_table()
The function eseries_register_clks() references
the function __init clkdev_add_table().
This is often because eseries_register_clks lacks a __init
annotation or the annotation of clkdev_add_table is wrong.

by adding the __init annotation to eseries_register_clks() - this
function is only called from other __init-marked functions.  While
we're here, mark it static as it's only called from within eseries.c.

Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agoARM: PXA: fix lubbock PCMCIA driver build error
Russell King [Thu, 27 Oct 2011 10:33:15 +0000 (11:33 +0100)]
ARM: PXA: fix lubbock PCMCIA driver build error

Fix:

ERROR: "pxa2xx_configure_sockets" [drivers/pcmcia/pxa2xx_lubbock_cs.ko] undefined!

by exporting the required function.

Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agoARM: EXYNOS4: Fix the merge conflict
Kukjin Kim [Sat, 5 Nov 2011 02:08:54 +0000 (11:08 +0900)]
ARM: EXYNOS4: Fix the merge conflict

The mark of conflict should be removed.

This happened at the commit fba9569924e0 ("Merge branch 'next' of
git://git.infradead.org/users/vkoul/slave-dma")

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
[ I always check the conflict resolution with "git diff" before I add
  the result, but I clearly missed that this time, and didn't notice the
  second conflict in that file after having fixed the first one.
  Oops, my bad.      - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoVFS: fix statfs() automounter semantics regression
Dan McGee [Tue, 1 Nov 2011 23:23:10 +0000 (18:23 -0500)]
VFS: fix statfs() automounter semantics regression

No one in their right mind would expect statfs() to not work on a
automounter managed mount point. Fix it.

[ I'm not sure about the "no one in their right mind" part.  It's not
  mounted, and you didn't ask for it to be mounted.  But nobody will
  really care, and this probably makes it match previous semantics, so..
      - Linus ]

This mirrors the fix made to the quota code in 815d405ceff0d69646.

Signed-off-by: Dan McGee <dpmcgee@gmail.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma
Linus Torvalds [Sat, 5 Nov 2011 01:02:25 +0000 (18:02 -0700)]
Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma

* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (63 commits)
  dmaengine: mid_dma: mask_peripheral_interrupt only when dmac is idle
  dmaengine/ep93xx_dma: add module.h include
  pch_dma: Reduce wasting memory
  pch_dma: Fix suspend issue
  dma/timberdale: free_irq() on an error path
  dma: shdma: transfer based runtime PM
  dmaengine: shdma: protect against the IRQ handler
  dmaengine i.MX DMA/SDMA: add missing include of linux/module.h
  dmaengine: delete redundant chan_id and chancnt initialization in dma drivers
  dmaengine/amba-pl08x: Check txd->llis_va before freeing dma_pool
  dmaengine/amba-pl08x: Add support for sg len greater than one for slave transfers
  serial: sh-sci: don't filter on DMA device, use only channel ID
  ARM: SAMSUNG: Remove Samsung specific enum type for dma direction
  ASoC: Samsung: Update DMA interface
  spi/s3c64xx: Merge dma control code
  spi/s3c64xx: Add support DMA engine API
  ARM: SAMSUNG: Remove S3C-PL330-DMA driver
  ARM: S5P64X0: Use generic DMA PL330 driver
  ARM: S5PC100: Use generic DMA PL330 driver
  ARM: S5PV210: Use generic DMA PL330 driver
  ...

Fix up fairly trivial conflicts in
 - arch/arm/mach-exynos4/{Kconfig,clock.c}
 - arch/arm/mach-s5p64x0/dma.c

13 years agoMerge branch 'for-3.2/drivers' of git://git.kernel.dk/linux-block
Linus Torvalds [Sat, 5 Nov 2011 00:22:14 +0000 (17:22 -0700)]
Merge branch 'for-3.2/drivers' of git://git.kernel.dk/linux-block

* 'for-3.2/drivers' of git://git.kernel.dk/linux-block: (30 commits)
  virtio-blk: use ida to allocate disk index
  hpsa: add small delay when using PCI Power Management to reset for kump
  cciss: add small delay when using PCI Power Management to reset for kump
  xen/blkback: Fix two races in the handling of barrier requests.
  xen/blkback: Check for proper operation.
  xen/blkback: Fix the inhibition to map pages when discarding sector ranges.
  xen/blkback: Report VBD_WSECT (wr_sect) properly.
  xen/blkback: Support 'feature-barrier' aka old-style BARRIER requests.
  xen-blkfront: plug device number leak in xlblk_init() error path
  xen-blkfront: If no barrier or flush is supported, use invalid operation.
  xen-blkback: use kzalloc() in favor of kmalloc()+memset()
  xen-blkback: fixed indentation and comments
  xen-blkfront: fix a deadlock while handling discard response
  xen-blkfront: Handle discard requests.
  xen-blkback: Implement discard requests ('feature-discard')
  xen-blkfront: add BLKIF_OP_DISCARD and discard request struct
  drivers/block/loop.c: remove unnecessary bdev argument from loop_clr_fd()
  drivers/block/loop.c: emit uevent on auto release
  drivers/block/cpqarray.c: use pci_dev->revision
  loop: always allow userspace partitions and optionally support automatic scanning
  ...

Fic up trivial header file includsion conflict in drivers/block/loop.c

13 years agoMerge branch 'for-3.2/core' of git://git.kernel.dk/linux-block
Linus Torvalds [Sat, 5 Nov 2011 00:06:58 +0000 (17:06 -0700)]
Merge branch 'for-3.2/core' of git://git.kernel.dk/linux-block

* 'for-3.2/core' of git://git.kernel.dk/linux-block: (29 commits)
  block: don't call blk_drain_queue() if elevator is not up
  blk-throttle: use queue_is_locked() instead of lockdep_is_held()
  blk-throttle: Take blkcg->lock while traversing blkcg->policy_list
  blk-throttle: Free up policy node associated with deleted rule
  block: warn if tag is greater than real_max_depth.
  block: make gendisk hold a reference to its queue
  blk-flush: move the queue kick into
  blk-flush: fix invalid BUG_ON in blk_insert_flush
  block: Remove the control of complete cpu from bio.
  block: fix a typo in the blk-cgroup.h file
  block: initialize the bounce pool if high memory may be added later
  block: fix request_queue lifetime handling by making blk_queue_cleanup() properly shutdown
  block: drop @tsk from attempt_plug_merge() and explain sync rules
  block: make get_request[_wait]() fail if queue is dead
  block: reorganize throtl_get_tg() and blk_throtl_bio()
  block: reorganize queue draining
  block: drop unnecessary blk_get/put_queue() in scsi_cmd_ioctl() and blk_get_tg()
  block: pass around REQ_* flags instead of broken down booleans during request alloc/free
  block: move blk_throtl prototypes to block/blk.h
  block: fix genhd refcounting in blkio_policy_parse_and_set()
  ...

Fix up trivial conflicts due to "mddev_t" -> "struct mddev" conversion
and making the request functions be of type "void" instead of "int" in
 - drivers/md/{faulty.c,linear.c,md.c,md.h,multipath.c,raid0.c,raid1.c,raid10.c,raid5.c}
 - drivers/staging/zram/zram_drv.c

13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-next
Linus Torvalds [Fri, 4 Nov 2011 23:48:37 +0000 (16:48 -0700)]
Merge git://git./linux/kernel/git/pkl/squashfs-next

* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-next:
  Squashfs: Add an option to set dev block size to 4K

13 years agoPM / Freezer: Revert 27920651fe "PM / Freezer: Make fake_signal_wake_up() wake TASK_K...
Tejun Heo [Fri, 4 Nov 2011 00:04:52 +0000 (01:04 +0100)]
PM / Freezer: Revert 27920651fe "PM / Freezer: Make fake_signal_wake_up() wake TASK_KILLABLE tasks too"

Commit 27920651fe "PM / Freezer: Make fake_signal_wake_up() wake
TASK_KILLABLE tasks too" updated fake_signal_wake_up() used by freezer
to wake up KILLABLE tasks.  Sending unsolicited wakeups to tasks in
killable sleep is dangerous as there are code paths which depend on
tasks not waking up spuriously from KILLABLE sleep.

For example. sys_read() or page can sleep in TASK_KILLABLE assuming
that wait/down/whatever _killable can only fail if we can not return
to the usermode.  TASK_TRACED is another obvious example.

The previous patch updated wait_event_freezekillable() such that it
doesn't depend on the spurious wakeup.  This patch reverts the
offending commit.

Note that the spurious KILLABLE wakeup had other implicit effects in
KILLABLE sleeps in nfs and cifs and those will need further updates to
regain freezekillable behavior.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoPM / Freezer: Reimplement wait_event_freezekillable using freezer_do_not_count/freeze...
Oleg Nesterov [Thu, 3 Nov 2011 23:07:49 +0000 (16:07 -0700)]
PM / Freezer: Reimplement wait_event_freezekillable using freezer_do_not_count/freezer_count

Commit 27920651fe "PM / Freezer: Make fake_signal_wake_up() wake
TASK_KILLABLE tasks too" updated fake_signal_wake_up() used by freezer
to wake up KILLABLE tasks.  Sending unsolicited wakeups to tasks in
killable sleep is dangerous as there are code paths which depend on
tasks not waking up spuriously from KILLABLE sleep.

For example. sys_read() or page can sleep in TASK_KILLABLE assuming
that wait/down/whatever _killable can only fail if we can not return
to the usermode.  TASK_TRACED is another obvious example.

The offending commit was to resolve freezer hang during system PM
operations caused by KILLABLE sleeps in network filesystems.
wait_event_freezekillable(), which depends on the spurious KILLABLE
wakeup, was added by f06ac72e92 "cifs, freezer: add
wait_event_freezekillable and have cifs use it" to be used to
implement killable & freezable sleeps in network filesystems.

To prepare for reverting of 27920651fe, this patch reimplements
wait_event_freezekillable() using freezer_do_not_count/freezer_count()
so that it doesn't depend on the spurious KILLABLE wakeup.  This isn't
very nice but should do for now.

[tj: Refreshed patch to apply to linus/master and updated commit
    description on Rafael's request.]

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoUSB: Update last_busy time after autosuspend fails
Alan Stern [Thu, 3 Nov 2011 23:52:46 +0000 (00:52 +0100)]
USB: Update last_busy time after autosuspend fails

Originally, the runtime PM core would send an idle notification
whenever a suspend attempt failed.  The idle callback routine could
then schedule a delayed suspend for some time later.

However this behavior was changed by commit
f71648d73c1650b8b4aceb3856bebbde6daa3b86 (PM / Runtime: Remove idle
notification after failing suspend).  No notifications were sent, and
there was no clear mechanism to retry failed suspends.

This caused problems for the usbhid driver, because it fails
autosuspend attempts as long as a key is being held down.  A companion
patch changes the PM core's behavior, but we also need to change the
USB core.  In particular, this patch (as1493) updates the device's
last_busy time when an autosuspend fails, so that the PM core will
retry the autosuspend in the future when the delay time expires
again.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Henrik Rydberg <rydberg@euromail.se>
Cc: <stable@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoPM / Runtime: Automatically retry failed autosuspends
Alan Stern [Thu, 3 Nov 2011 22:39:18 +0000 (23:39 +0100)]
PM / Runtime: Automatically retry failed autosuspends

Originally, the runtime PM core would send an idle notification
whenever a suspend attempt failed.  The idle callback routine could
then schedule a delayed suspend for some time later.

However this behavior was changed by commit
f71648d73c1650b8b4aceb3856bebbde6daa3b86 (PM / Runtime: Remove idle
notification after failing suspend).  No notifications were sent, and
there was no clear mechanism to retry failed suspends.

This caused problems for the usbhid driver, because it fails
autosuspend attempts as long as a key is being held down.  Therefore
this patch (as1492) adds a mechanism for retrying failed
autosuspends.  If the callback routine updates the last_busy field so
that the next autosuspend expiration time is in the future, the
autosuspend will automatically be rescheduled.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Henrik Rydberg <rydberg@euromail.se>
Cc: <stable@kernel.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoPM / QoS: Remove redundant check
Guennadi Liakhovetski [Thu, 3 Nov 2011 09:12:36 +0000 (10:12 +0100)]
PM / QoS: Remove redundant check

Remove an "if" check, that repeats an equivalent one 6 lines above.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoPM / OPP: Fix build when CONFIG_PM_OPP is not set
Tony Lindgren [Thu, 3 Nov 2011 09:12:27 +0000 (10:12 +0100)]
PM / OPP: Fix build when CONFIG_PM_OPP is not set

Commit 03ca370fbf7b76d6d002380dbdc2cdc2319f9c80 (PM / OPP: Add
OPP availability change notifier) does not compile if CONFIG_PM_OPP
is not set:

arch/arm/plat-omap/omap-pm-noop.o: In function `opp_get_notifier':
include/linux/opp.h:103: multiple definition of `opp_get_notifier'
include/linux/opp.h:103: first defined here

Also fix incorrect comment.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoPM / Runtime: Fix runtime accounting calculation error
venu byravarasu [Thu, 3 Nov 2011 09:12:14 +0000 (10:12 +0100)]
PM / Runtime: Fix runtime accounting calculation error

With delta type being int, its value is made zero
for all values of now > 0x80000000.
Hence fixing it.

Signed-off-by: venu byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoPM / Sleep: Update freezer documentation
Srivatsa S. Bhat [Wed, 2 Nov 2011 23:59:52 +0000 (00:59 +0100)]
PM / Sleep: Update freezer documentation

This patch:
 * Substitutes some obsolete references to kernel/power/process.c by
   kernel/freezer.c.
 * Mentions kernel/freezer.c as being part of the "freezer" code along
   with the rest of the files.
 * Fixes a trivial typo.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoPM / Sleep: Remove unused symbol 'suspend_cpu_hotplug'
Srivatsa S. Bhat [Wed, 2 Nov 2011 23:59:40 +0000 (00:59 +0100)]
PM / Sleep: Remove unused symbol 'suspend_cpu_hotplug'

Remove the suspend_cpu_hotplug declaration, which doesn't correspond
to an existing variable.

[rjw: Added the changelog.]

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoPM / Sleep: Fix race between CPU hotplug and freezer
Srivatsa S. Bhat [Wed, 2 Nov 2011 23:59:25 +0000 (00:59 +0100)]
PM / Sleep: Fix race between CPU hotplug and freezer

The CPU hotplug notifications sent out by the _cpu_up() and _cpu_down()
functions depend on the value of the 'tasks_frozen' argument passed to them
(which indicates whether tasks have been frozen or not).
(Examples for such CPU hotplug notifications: CPU_ONLINE, CPU_ONLINE_FROZEN,
CPU_DEAD, CPU_DEAD_FROZEN).

Thus, it is essential that while the callbacks for those notifications are
running, the state of the system with respect to the tasks being frozen or
not remains unchanged, *throughout that duration*. Hence there is a need for
synchronizing the CPU hotplug code with the freezer subsystem.

Since the freezer is involved only in the Suspend/Hibernate call paths, this
patch hooks the CPU hotplug code to the suspend/hibernate notifiers
PM_[SUSPEND|HIBERNATE]_PREPARE and PM_POST_[SUSPEND|HIBERNATE] to prevent
the race between CPU hotplug and freezer, thus ensuring that CPU hotplug
notifications will always be run with the state of the system really being
what the notifications indicate, _throughout_ their execution time.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoACPI / PM: Add Sony VPCEB17FX to nonvs blacklist
Dave Jones [Wed, 2 Nov 2011 23:58:59 +0000 (00:58 +0100)]
ACPI / PM: Add Sony VPCEB17FX to nonvs blacklist

Another entry for the nonvs blacklist, as noted by a user in
https://bugzilla.redhat.com/show_bug.cgi?id=641789#c12

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
13 years agoMerge branch 'for-linus' of git://github.com/cmetcalf-tilera/linux-tile
Linus Torvalds [Fri, 4 Nov 2011 19:33:34 +0000 (12:33 -0700)]
Merge branch 'for-linus' of git://github.com/cmetcalf-tilera/linux-tile

* 'for-linus' of git://github.com/cmetcalf-tilera/linux-tile:
  arch/tile: factor out <arch/opcode.h> header
  arch/tile: add the <arch> headers to the set of installed kernel headers
  arch/tile: avoid exporting a symbol no longer used by gcc
  arch/tile: avoid ISO namespace pollution with <asm/sigcontext.h>

13 years agoMerge branch 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Linus Torvalds [Fri, 4 Nov 2011 19:27:43 +0000 (12:27 -0700)]
Merge branch 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

* 'nfs-for-3.2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (25 commits)
  nfs: set vs_hidden on nfs4_callback_version4 (try #2)
  pnfs-obj: Support for RAID5 read-4-write interface.
  pnfs-obj: move to ore 03: Remove old raid engine
  pnfs-obj: move to ore 02: move to ORE
  pnfs-obj: move to ore 01: ore_layout & ore_components
  pnfs-obj: Rename objlayout_io_state => objlayout_io_res
  pnfs-obj: Get rid of objlayout_{alloc,free}_io_state
  pnfs-obj: Return PNFS_NOT_ATTEMPTED in case of read/write_pagelist
  pnfs-obj: Remove redundant EOF from objlayout_io_state
  nfs: Remove unused variable from write.c
  nfs: Fix unused variable warning from file.c
  NFS: Remove no-op less-than-zero checks on unsigned variables.
  NFS: Clean up nfs4_xdr_dec_secinfo()
  NFS: Fix documenting comment for nfs_create_request()
  NFS4: fix cb_recallany decode error
  nfs4: serialize layoutcommit
  SUNRPC: remove rpcbind clients destruction on module cleanup
  SUNRPC: remove rpcbind clients creation during service registering
  NFSd: call svc rpcbind cleanup explicitly
  SUNRPC: cleanup service destruction
  ...

13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...
Linus Torvalds [Fri, 4 Nov 2011 19:14:11 +0000 (12:14 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/roland/infiniband

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  IB/qib: Fix panic in RC error flushing logic
  IB/iser: DMA unmap TX bufs used for iSCSI/iSER headers
  IB/iser: Use separate buffers for the login request/response
  IB/mthca: Fix buddy->num_free allocation size

13 years agoDocumentation: drop as block elevator reference in switching-sched.txt
Wang Sheng-Hui [Fri, 4 Nov 2011 18:22:33 +0000 (11:22 -0700)]
Documentation: drop as block elevator reference in switching-sched.txt

Remove 'as' for as is no longer supported, and we can not use
'elevator=as' any more.

Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoDocumentation: fix leds-class.txt duplicated word
Bryan Wu [Fri, 4 Nov 2011 18:22:29 +0000 (11:22 -0700)]
Documentation: fix leds-class.txt duplicated word

Fix a typo (duplicated word) in Documentation/leds/leds-class.txt

Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Acked-by: Richard Purdie <rchard.purdie@linuxfoundation.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoDocumentation: Computone ip2 is orphaned
Marcos Paulo Souza [Fri, 4 Nov 2011 18:22:26 +0000 (11:22 -0700)]
Documentation: Computone ip2 is orphaned

Removed the email for support and fixes for orphaned ip2 driver.

Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoDocumentation: HFS is orphaned
Marcos Paulo de Souza [Fri, 4 Nov 2011 18:22:22 +0000 (11:22 -0700)]
Documentation: HFS is orphaned

Removed the reference of Roman Zippel, last maintainer, of orphaned
HFS filesystem.

Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoDocumentation: update CodingStyle use of braces
Antonio Ospite [Fri, 4 Nov 2011 18:22:19 +0000 (11:22 -0700)]
Documentation: update CodingStyle use of braces

After commit 38829dc9d7b4 ("Documentation/CodingStyle: flesh out if-else
examples") highlight that if _only_one_ branch of a conditional
statement is a single statement, then braces are to be used on both
branches.

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoDocumentation: fix inotify source file paths
Marcos Paulo de Souza [Fri, 4 Nov 2011 18:22:14 +0000 (11:22 -0700)]
Documentation: fix inotify source file paths

Fixes the path to find the source files of the inotify subsystem.

Signed-off-by: Marcos Paulo de Souza <marcos.mage@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoDocumentation: thinkpad-acpi grammo fixes
Kumar Appaiah [Fri, 4 Nov 2011 18:22:09 +0000 (11:22 -0700)]
Documentation: thinkpad-acpi grammo fixes

This adds minor grammatical fixes to the description of the keys in the
thinkpad-acpi documentation.

Signed-off-by: Kumar Appaiah <a.kumar@alumni.iitm.ac.in>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoDocumentation: update cgroups notes
Li Zefan [Fri, 4 Nov 2011 18:22:05 +0000 (11:22 -0700)]
Documentation: update cgroups notes

- ns cgroup has been removed.
- it's true moving a task to another cgroup can fail.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <paul@paulmenage.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branches 'iser', 'mthca' and 'qib' into for-next
Roland Dreier [Fri, 4 Nov 2011 16:36:04 +0000 (09:36 -0700)]
Merge branches 'iser', 'mthca' and 'qib' into for-next

13 years agoIB/qib: Fix panic in RC error flushing logic
Mike Marciniszyn [Fri, 4 Nov 2011 12:26:52 +0000 (08:26 -0400)]
IB/qib: Fix panic in RC error flushing logic

The following panic can occur when flushing a QP:

    RIP: 0010:[<ffffffffa0168e8b>]  [<ffffffffa0168e8b>] qib_send_complete+0x3b/0x190 [ib_qib]
    RSP: 0018:ffff8803cdc6fc90  EFLAGS: 00010046
    RAX: 0000000000000000 RBX: ffff8803d84ba000 RCX: 0000000000000000
    RDX: 0000000000000005 RSI: ffffc90015a53430 RDI: ffff8803d84ba000
    RBP: ffff8803cdc6fce0 R08: ffff8803cdc6fc90 R09: 0000000000000001
    R10: 00000000ffffffff R11: 0000000000000000 R12: ffff8803d84ba0c0
    R13: ffff8803d84ba5cc R14: 0000000000000800 R15: 0000000000000246
    FS:  0000000000000000(0000) GS:ffff880036600000(0000) knlGS:0000000000000000
    CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
    CR2: 0000000000000034 CR3: 00000003e44f9000 CR4: 00000000000406f0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process qib/0 (pid: 1350, threadinfo ffff8803cdc6e000, task ffff88042728a100)
    Stack:
     53544c5553455201 0000000100000005 0000000000000000 ffff8803d84ba000
     0000000000000000 0000000000000000 0000000000000000 0000000000000000
     0000000000000000 0000000000000001 ffff8803cdc6fd30 ffffffffa0165d7a
    Call Trace:
     [<ffffffffa0165d7a>] qib_make_rc_req+0x36a/0xe80 [ib_qib]
     [<ffffffffa0165a10>] ?  qib_make_rc_req+0x0/0xe80 [ib_qib]
     [<ffffffffa01698b3>] qib_do_send+0xf3/0xb60 [ib_qib]
     [<ffffffff814db757>] ? thread_return+0x4e/0x777
     [<ffffffffa01697c0>] ? qib_do_send+0x0/0xb60 [ib_qib]
     [<ffffffff81088bf0>] worker_thread+0x170/0x2a0
     [<ffffffff8108e530>] ?  autoremove_wake_function+0x0/0x40
     [<ffffffff81088a80>] ? worker_thread+0x0/0x2a0
     [<ffffffff8108e1c6>] kthread+0x96/0xa0
     [<ffffffff8100c1ca>] child_rip+0xa/0x20
     [<ffffffff8108e130>] ? kthread+0x0/0xa0
     [<ffffffff8100c1c0>] ? child_rip+0x0/0x20
    RIP  [<ffffffffa0168e8b>] qib_send_complete+0x3b/0x190 [ib_qib]

The RC error state flush logic in qib_make_rc_req() could return all
of the acked wqes and potentially have emptied the queue.  It would
then unconditionally try return a flush completion via
qib_send_complete() for an invalid wqe, or worse a valid one that is
not queued. The panic results when the completion code tries to
maintain an MR reference count for a NULL MR.

This fix modifies logic to only send one completion per
qib_make_rc_req() call and changing the completion status from
IB_WC_SUCCESS to IB_WC_WR_FLUSH_ERR as the completions progress.

The outer loop will call as many times as necessary to flush the queue.

Reviewed-by: Ram Vepa <ram.vepa@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
13 years agoMerge branch 'process_vm' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
Linus Torvalds [Fri, 4 Nov 2011 16:35:24 +0000 (09:35 -0700)]
Merge branch 'process_vm' of git://git./linux/kernel/git/aegl/linux

* 'process_vm' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  [IA64] Wire up cross memory attach syscalls

13 years agoIB/iser: DMA unmap TX bufs used for iSCSI/iSER headers
Or Gerlitz [Thu, 3 Nov 2011 22:21:27 +0000 (00:21 +0200)]
IB/iser: DMA unmap TX bufs used for iSCSI/iSER headers

The current driver never does DMA unmapping on these buffers.  Fix that
by adding DMA unmapping to the task cleanup callback, and DMA mapping to
the task init function (drop the headers_initialized micro-optimization).

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
13 years agoIB/iser: Use separate buffers for the login request/response
Or Gerlitz [Thu, 3 Nov 2011 22:19:46 +0000 (00:19 +0200)]
IB/iser: Use separate buffers for the login request/response

The driver counted on the transactional nature of iSCSI login/text
flows and used the same buffer for both the request and the response.
We also went further and did DMA mapping only once, with
DMA_FROM_DEVICE, which violates the DMA mapping API.  Fix that by
using different buffers, one for requests and one for responses, and
use the correct DMA mapping direction for each.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
13 years agoARM: mach-shmobile: ag5evm needs CONFIG_I2C
Guennadi Liakhovetski [Tue, 30 Aug 2011 16:19:13 +0000 (16:19 +0000)]
ARM: mach-shmobile: ag5evm needs CONFIG_I2C

ag5evm implements a backlight control, using an I2C controller, therefore
it needs CONFIG_I2C to fix this make failure

arch/arm/mach-shmobile/built-in.o: In function `lcd_on':
pfc-sh73a0.c:(.text+0x2334): undefined reference to `i2c_get_adapter'
pfc-sh73a0.c:(.text+0x2370): undefined reference to `i2c_transfer'

(ignore pfc-sh73a0.c) and to build successfully.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agoARM: mach-shmobile: sh73a0 and AG5EVM PINT support
Magnus Damm [Mon, 17 Oct 2011 09:00:52 +0000 (18:00 +0900)]
ARM: mach-shmobile: sh73a0 and AG5EVM PINT support

Support PINT on sh73a0 and AG5EVM using INTC PINT macros.

With this patch applied the AG5EVM ethernet is handled
through one of the chained sh73a0 PINT interrupt controllers.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agoARM: mach-shmobile: Add support for PINT though INTC macros
Magnus Damm [Mon, 17 Oct 2011 09:00:35 +0000 (18:00 +0900)]
ARM: mach-shmobile: Add support for PINT though INTC macros

Add a INTC_PINT() macro with various helper bits to allow SoCs
like sh73a0 to suppor the PINT hardware using regular INTC tables.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agoARM: mach-shmobile: SDHI0 GPIO hotplug for AG5EVM
Magnus Damm [Wed, 12 Oct 2011 07:21:50 +0000 (16:21 +0900)]
ARM: mach-shmobile: SDHI0 GPIO hotplug for AG5EVM

Implement GPIO hotplugging via TMIO_MMC_HAS_COLD_CD for
AG5EVM SDHI0. This is possible now when INTCA is used for
IRQ triggering on sh73a0. Without INTCA IRQ support we are
left with the GIC hardware block that does not support
dealing with active low interrupt sources.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agoARM: mach-shmobile: Use common INTC IRQ code on sh73a0
Magnus Damm [Wed, 12 Oct 2011 07:21:42 +0000 (16:21 +0900)]
ARM: mach-shmobile: Use common INTC IRQ code on sh73a0

Improve IRQ triggering support by making use of the macro
INTC_IRQ_PINS_32() for INTCA on sh73a0. Unfortunately it
is not as easy as just using the macro as-is, we need to
do mask and unmaks in the GIC but configure other bits
and ack in INTCA. Update GPIO IRQ mappings while at it.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agoARM: mach-shmobile: Use common INTC IRQ code on sh7372
Magnus Damm [Wed, 12 Oct 2011 07:21:34 +0000 (16:21 +0900)]
ARM: mach-shmobile: Use common INTC IRQ code on sh7372

Make use of INTC_IRQ_PINS_32() for INTCA on sh7372.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agoARM: mach-shmobile: Use common INTC IRQ code on sh7377
Magnus Damm [Wed, 12 Oct 2011 07:21:26 +0000 (16:21 +0900)]
ARM: mach-shmobile: Use common INTC IRQ code on sh7377

Make use of INTC_IRQ_PINS_32() for INTCA on sh7377.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agoARM: mach-shmobile: Use common INTC IRQ code on sh7367
Magnus Damm [Wed, 12 Oct 2011 07:21:16 +0000 (16:21 +0900)]
ARM: mach-shmobile: Use common INTC IRQ code on sh7367

Make use of INTC_IRQ_PINS_16() for INTCA on sh7367.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agoARM: mach-shmobile: sh73a0 GPIO IRQ support
Magnus Damm [Wed, 28 Sep 2011 07:55:45 +0000 (16:55 +0900)]
ARM: mach-shmobile: sh73a0 GPIO IRQ support

This patch adds support for sh73a0 GPIO IRQs by making use
of the PFC GPIO IRQ feature. Only IRQ pins are  supported
at this time. In the future when PINT interrupts also are
supported properly we can easily extend the table with such
information. Also, the sh73a0 is currently making use of
the GIC for external interrupt which is rather unflexible
when it comes to triggering configuration at this point.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agoARM: sh7372 ap4evb NOR Flash USB boot fix
Bastian Hecht [Tue, 27 Sep 2011 11:23:04 +0000 (13:23 +0200)]
ARM: sh7372 ap4evb NOR Flash USB boot fix

Always use CS0 shadow area for NOR flash instead of regular CS0
memory area on ap4evb.

When booting from CS0 NOR Flash the regular CS0 memory area is
available, but when booting via USB the MASK ROM gets mapped to
0x0 which gets in the way for the NOR Flash. Always using CS0
shadow area works well for both NOR Flash boot and USB boot.

Signed-off-by: Bastian Hecht <hechtb@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agoARM: mach-shmobile: sh7372 Mackerel NOR Flash USB boot fix
Magnus Damm [Tue, 27 Sep 2011 09:29:31 +0000 (18:29 +0900)]
ARM: mach-shmobile: sh7372 Mackerel NOR Flash USB boot fix

Always use CS0 shadow area for NOR flash instead of regular CS0
memory area on Mackerel.

When booting from CS0 NOR Flash the regular CS0 memory area is
available, but when booting via USB the MASK ROM gets mapped to
0x0 which gets in the way for the NOR Flash. Always using CS0
shadow area works well for both NOR Flash boot and USB boot.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agosh: intc: Allow triggering on both edges for ARM SoCs
Magnus Damm [Wed, 12 Oct 2011 07:21:08 +0000 (16:21 +0900)]
sh: intc: Allow triggering on both edges for ARM SoCs

Enable IRQ_TYPE_EDGE_BOTH on all R/SH-Mobile ARM SoCs.
This hardware feature is supported by sh7367, sh7377,
sh7372 and sh73a0.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
13 years agoARM: mach-shmobile: Break out INTC IRQ code
Magnus Damm [Wed, 12 Oct 2011 07:21:00 +0000 (16:21 +0900)]
ARM: mach-shmobile: Break out INTC IRQ code

Add INTC_IRQ_PINS_16() and INTC_IRQ_PINS_32() to mach/intc.h.
These macros define 16 or 32 external IRQ pins on a certain
memory base address. Can be used with INTCA or INTCS.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>