Commit Graph

504480 Commits

Author SHA1 Message Date
Arnaud Ebalard
401b3c6adb rtc: isl12057: deprecate use of isl in compatible string for isil
"isil" and "isl" prefixes are used at various locations inside the kernel
to reference Intersil corporation.  This patch is part of a series fixing
those locations were "isl" is used in compatible strings to use the now
expected "isil" prefix instead (NASDAQ symbol for Intersil and most used
version).  The old compatible string is kept for backward compatibility.

Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Uwe Kleine-Knig <uwe@kleine-koenig.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Peter Huewe <peter.huewe@infineon.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Darshana Padmadas <darshanapadmadas@gmail.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Landley <rob@landley.net>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-16 17:56:02 -08:00
Arnaud Ebalard
c5cd8273c5 rtc: isl12022: deprecate use of isl in compatible string for isil
"isil" and "isl" prefixes are used at various locations inside the kernel
to reference Intersil corporation.  This patch is part of a series fixing
those locations were "isl" is used in compatible strings to use the now
expected "isil" prefix instead (NASDAQ symbol for Intersil and most used
version).  The old compatible string is kept for backward compatibility.

Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Uwe Kleine-Knig <uwe@kleine-koenig.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Peter Huewe <peter.huewe@infineon.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Darshana Padmadas <darshanapadmadas@gmail.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Landley <rob@landley.net>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-16 17:56:02 -08:00
Linus Torvalds
796e1c5571 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie:
 "This is the main drm pull, it has a shared branch with some alsa
  crossover but everything should be acked by relevant people.

  New drivers:
     - ATMEL HLCDC driver
     - designware HDMI core support (used in multiple SoCs).

  core:
     - lots more atomic modesetting work, properties and atomic ioctl
       (hidden under option)
     - bridge rework allows support for Samsung exynos chromebooks to
       work finally.
     - some more panels supported

  i915:
     - atomic plane update support
     - DSI uses shared DSI infrastructure
     - Skylake basic support is all merged now
     - component framework used for i915/snd-hda interactions
     - write-combine cpu memory mappings
     - engine init code refactored
     - full ppgtt enabled where execlists are enabled.
     - cherryview rps/gpu turbo and pipe CRC support.

  radeon:
     - indirect draw support for evergreen/cayman
     - SMC and manual fan control for SI/CI
     - Displayport audio support

  amdkfd:
     - SDMA usermode queue support
     - replace suballocator usage with more suitable one
     - rework for allowing interfacing to more than radeon

  nouveau:
     - major renaming in prep for later splitting work
     - merge arm platform driver into nouveau
     - GK20A reclocking support

  msm:
     - conversion to atomic modesetting
     - YUV support for mdp4/5
     - eDP support
     - hw cursor for mdp5

  tegra:
     - conversion to atomic modesetting
     - better suspend/resume support for child devices

  rcar-du:
     - interlaced support

  imx:
     - move to using dw_hdmi shared support
     - mode_fixup support

  sti:
     - DVO support
     - HDMI infoframe support

  exynos:
     - refactoring and cleanup, removed lots of internal unnecessary
       abstraction
     - exynos7 DECON display controller support

  Along with the usual bunch of fixes, cleanups etc"

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (724 commits)
  drm/radeon: fix voltage setup on hawaii
  drm/radeon/dp: Set EDP_CONFIGURATION_SET for bridge chips if necessary
  drm/radeon: only enable kv/kb dpm interrupts once v3
  drm/radeon: workaround for CP HW bug on CIK
  drm/radeon: Don't try to enable write-combining without PAT
  drm/radeon: use 0-255 rather than 0-100 for pwm fan range
  drm/i915: Clamp efficient frequency to valid range
  drm/i915: Really ignore long HPD pulses on eDP
  drm/exynos: Add DECON driver
  drm/i915: Correct the base value while updating LP_OUTPUT_HOLD in MIPI_PORT_CTRL
  drm/i915: Insert a command barrier on BLT/BSD cache flushes
  drm/i915: Drop vblank wait from intel_dp_link_down
  drm/exynos: fix NULL pointer reference
  drm/exynos: remove exynos_plane_dpms
  drm/exynos: remove mode property of exynos crtc
  drm/exynos: Remove exynos_plane_dpms() call with no effect
  drm/i915: Squelch overzealous uncore reset WARN_ON
  drm/i915: Take runtime pm reference on hangcheck_info
  drm/i915: Correct the IOSF Dev_FN field for IOSF transfers
  drm/exynos: fix DMA_ATTR_NO_KERNEL_MAPPING usage
  ...
2015-02-16 15:48:00 -08:00
Linus Torvalds
8c334ce8f0 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull clocksource updates from Ingo Molnar:
 "The main change in this tree is the addition of various new SoC
  clocksource/clockevents drivers: Conexant Digicolor SoCs, rockchip
  rk3288 board, asm9260 for MIPS and versatile AB/PB boards"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  dts: versatile: Add sysregs node
  clocksource: versatile: Adapt for Versatile AB and PB boards
  dt/bindings: Add binding for Versatile system registers
  clocksource: Driver for Conexant Digicolor SoC timer
  clocksource: devicetree: Document Conexant Digicolor timer binding
  clockevents: rockchip: Add rockchip timer for rk3288
  ARM: clocksource: Add asm9260_timer driver
  clocksource: marco: Rename marco to atlas7
  clocksource: sirf: Remove unused variable
2015-02-16 15:26:10 -08:00
Linus Torvalds
3c6847eaa3 Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irqchip updates from Ingo Molnar:
 "Various irqchip driver updates, plus a genirq core update that allows
  the initial spreading of irqs amonst CPUs without having to do it from
  user-space"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq: Fix null pointer reference in irq_set_affinity_hint()
  irqchip: gic: Allow interrupt level to be set for PPIs
  irqchip: mips-gic: Handle pending interrupts once in __gic_irq_dispatch()
  irqchip: Conexant CX92755 interrupts controller driver
  irqchip: Devicetree: document Conexant Digicolor irq binding
  irqchip: omap-intc: Remove unused legacy interface for omap2
  irqchip: omap-intc: Fix support for dm814 and dm816
  irqchip: mtk-sysirq: Get irq number from register resource size
  irqchip: renesas-intc-irqpin: r8a7779 IRLM setup support
  genirq: Set initial affinity in irq_set_affinity_hint()
2015-02-16 15:20:40 -08:00
Linus Torvalds
37507717de Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf updates from Ingo Molnar:
 "This series tightens up RDPMC permissions: currently even highly
  sandboxed x86 execution environments (such as seccomp) have permission
  to execute RDPMC, which may leak various perf events / PMU state such
  as timing information and other CPU execution details.

  This 'all is allowed' RDPMC mode is still preserved as the
  (non-default) /sys/devices/cpu/rdpmc=2 setting.  The new default is
  that RDPMC access is only allowed if a perf event is mmap-ed (which is
  needed to correctly interpret RDPMC counter values in any case).

  As a side effect of these changes CR4 handling is cleaned up in the
  x86 code and a shadow copy of the CR4 value is added.

  The extra CR4 manipulation adds ~ <50ns to the context switch cost
  between rdpmc-capable and rdpmc-non-capable mms"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86: Add /sys/devices/cpu/rdpmc=2 to allow rdpmc for all tasks
  perf/x86: Only allow rdpmc if a perf_event is mapped
  perf: Pass the event to arch_perf_update_userpage()
  perf: Add pmu callbacks to track event mapping and unmapping
  x86: Add a comment clarifying LDT context switching
  x86: Store a per-cpu shadow copy of CR4
  x86: Clean up cr4 manipulation
2015-02-16 14:58:12 -08:00
Linus Torvalds
a68fb48380 ARC updates for 3.20
Some fixes, nothing too exciting this time as well...
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Merge tag 'arc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC updates from Vineet Gupta:
 "Some fixes, nothing too exciting this time as well..."

* tag 'arc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: fix page address calculation if PAGE_OFFSET != LINUX_LINK_BASE
  ARC: Fix earlycon build breakage
  ARC: Dynamically determine BASE_BAUD from DeviceTree
  arc: Remove unused prepare_to_copy()
  ARC: use ACCESS_ONCE in cmpxchg loop
  ARC: add some more comments to ret_from_fork
  ARC: fix /proc/cpuinfo for offline cpus
2015-02-16 14:56:52 -08:00
Linus Torvalds
ea44a160e6 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu fixes from Greg Ungerer:
 "Nothing big, only a small collection of minor cleanups/fixes"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  arch: m68k: 68360: config: Remove unused function
  m68knommu: fix irq handler types in 68360/commproc.c
  m68k: remove check for CONFIG_BSEIP
2015-02-16 14:56:01 -08:00
Michael S. Tsirkin
876b2a0083 parisc/uaccess: fix sparse errors
virtio wants to read bitwise types from userspace using get_user.  At the
moment this triggers sparse errors, since the value is passed through an
integer.

Fix that up using __force.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
2015-02-16 22:41:27 +01:00
Helge Deller
cf635f8dfd parisc: hpux - Remove HPUX syscall numbers
Signed-off-by: Helge Deller <deller@gmx.de>
2015-02-16 22:35:07 +01:00
Helge Deller
c78c2b7e04 parisc: hpux - Remove hpux gateway page
Drop code to create HP-UX gateway page and syscall entry code.

Signed-off-by: Helge Deller <deller@gmx.de>
2015-02-16 22:35:06 +01:00
Helge Deller
863722e856 parisc: hpux - Delete files in hpux subdirectory
Signed-off-by: Helge Deller <deller@gmx.de>
2015-02-16 22:35:05 +01:00
Helge Deller
e28f295e23 parisc: hpux - Do not compile hpux subdirectory
Signed-off-by: Helge Deller <deller@gmx.de>
2015-02-16 22:35:03 +01:00
Helge Deller
04c1614977 parisc: hpux - Drop support for HP-UX binaries
This patch series drops the support for 32bit HP-UX binaries.

The HP-UX compat layer has always been incomplete and it's unlikely that
someone will ever implement it.

Furthermore those two commits which enhance the compatibility of Linux on parisc
to other architectures:
 f5a408d: parisc: Make EWOULDBLOCK be equal to EAGAIN on parisc
 1f25df2: parisc: Reduce SIGRTMIN from 37 to 32 to behave like other Linux architectures
basically make it impossible to implement the HP-UX support correctly.

Signed-off-by: Helge Deller <deller@gmx.de>
2015-02-16 22:35:01 +01:00
Helge Deller
0bd1e94bf3 parisc: Add error checks when building up signal trampoline handler
Add checks if the userspace trampoline code was correctly generated by the
signal trampoline generation code. In addition only flush caches as needed and
fix the old flushing code which didn't flushed all generated instructions.

Signed-off-by: Helge Deller <deller@gmx.de>
2015-02-16 22:31:21 +01:00
Helge Deller
fb96a796f2 parisc: Wire up execveat syscall
Signed-off-by: Helge Deller <deller@gmx.de>
2015-02-16 22:31:09 +01:00
Jonathan Corbet
c20f29f63c Fix docs build failure caused by i2o removal
The movement of the I2O tree into staging broke the DocBook build.  Rather
than redirect the i2o references into staging, it seems better to just
remove them since this code is on its way out anyway.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-02-16 12:52:08 -07:00
J. Bruce Fields
a51f25a587 nfsd4: fix v3-less build
Includes of pnfs.h in export.c and fcntl.c also bring in xdr4.h, which
won't build without CONFIG_NFSD_V3, breaking non-V3 builds.  Ifdef-out
most of pnfs.h in that case.

Reported-by: Bas Peters <baspeters93@gmail.com>
Reported-by: Jim Davis <jim.epost@gmail.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 9cf514ccfa "nfsd: implement pNFS operations"
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2015-02-16 11:43:13 -05:00
Ley Foon Tan
d16d2be111 nios2: add kgdb support
Signed-off-by: Ley Foon Tan <lftan@altera.com>
2015-02-16 19:26:43 +08:00
Dave Airlie
45ee2dbc65 Merge branch 'drm-next-3.20' of git://people.freedesktop.org/~agd5f/linux into drm-next
two important bug fixes for radeon

* 'drm-next-3.20' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: fix voltage setup on hawaii
  drm/radeon/dp: Set EDP_CONFIGURATION_SET for bridge chips if necessary
2015-02-16 13:55:49 +10:00
NeilBrown
f04ebb0be7 md/raid10: round up to bdev_logical_block_size in narrow_write_error.
RAID10 version of earlier fix for RAID1.  We must never initiate
IO with sizes less that logical_block_size.

Signed-off-by: NeilBrown <neilb@suse.de>
2015-02-16 14:51:54 +11:00
Nate Dailey
ab713cdc6f md/raid1: round up to bdev_logical_block_size in narrow_write_error
This modifies raid1's narrow_write_error to round up block_sectors to the
device's logical block size.

This prevents sd complaining about "Bad block number requested" for non-512-byte
sector disks.

Signed-off-by: Nate Dailey <nate.dailey@stratus.com>
Signed-off-by: NeilBrown <neilb@suse.de>
2015-02-16 14:49:26 +11:00
Ley Foon Tan
08c283cc03 MAINTAINERS: update arch/nios2 git tree
Signed-off-by: Ley Foon Tan <lftan@altera.com>
2015-02-16 11:05:31 +08:00
James Morris
0d309cbddb Merge branch 'smack-for-3.20-rebased' of git://git.gitorious.org/smack-next/kernel into for-linus 2015-02-16 13:47:53 +11:00
David Jeffery
d0709f1e66 Don't leak a key reference if request_key() tries to use a revoked keyring
If a request_key() call to allocate and fill out a key attempts to insert the
key structure into a revoked keyring, the key will leak, using memory and part
of the user's key quota until the system reboots. This is from a failure of
construct_alloc_key() to decrement the key's reference count after the attempt
to insert into the requested keyring is rejected.

key_put() needs to be called in the link_prealloc_failed callpath to ensure
the unused key is released.

Signed-off-by: David Jeffery <djeffery@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
2015-02-16 13:45:16 +11:00
James Morris
cd07db5f27 Merge https://github.com/PeterHuewe/linux-tpmdd into for-linus 2015-02-16 13:41:46 +11:00
Linus Torvalds
1fa185ebcb CRIS changes for 3.20
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Merge tag 'cris-for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris

Pull CRIS changes from Jesper Nilsson.

* tag 'cris-for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris:
  CRIS: Whitespace cleanup
  CRIS: macro whitespace fixes in uaccess.h
  CRIS: uaccess: fix sparse errors
  CRISv32: Remove unnecessary KERN_INFO from sync_serial
  CRIS: Fix missing NR_CPUS in menuconfig
  CRISv32: Avoid warning of unused variable
  CRIS: Avoid warning in cris mm/fault.c
  CRIS: Export csum_partial_copy_nocheck
2015-02-15 18:02:02 -08:00
Linus Torvalds
a9724125ad TTY/Serial driver patches for 3.20-rc1
Here's the big tty/serial driver update for 3.20-rc1.  Nothing huge
 here, just lots of driver updates and some core tty layer fixes as well.
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver patches from Greg KH:
 "Here's the big tty/serial driver update for 3.20-rc1.  Nothing huge
  here, just lots of driver updates and some core tty layer fixes as
  well.  All have been in linux-next with no reported issues"

* tag 'tty-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (119 commits)
  serial: 8250: Fix UART_BUG_TXEN workaround
  serial: driver for ETRAX FS UART
  tty: remove unused variable sprop
  serial: of-serial: fetch line number from DT
  serial: samsung: earlycon support depends on CONFIG_SERIAL_SAMSUNG_CONSOLE
  tty/serial: serial8250_set_divisor() can be static
  tty/serial: Add Spreadtrum sc9836-uart driver support
  Documentation: DT: Add bindings for Spreadtrum SoC Platform
  serial: samsung: remove redundant interrupt enabling
  tty: Remove external interface for tty_set_termios()
  serial: omap: Fix RTS handling
  serial: 8250_omap: Use UPSTAT_AUTORTS for RTS handling
  serial: core: Rework hw-assisted flow control support
  tty/serial: 8250_early: Add support for PXA UARTs
  tty/serial: of_serial: add support for PXA/MMP uarts
  tty/serial: of_serial: add DT alias ID handling
  serial: 8250: Prevent concurrent updates to shadow registers
  serial: 8250: Use canary to restart console after suspend
  serial: 8250: Refactor XR17V35X divisor calculation
  serial: 8250: Refactor divisor programming
  ...
2015-02-15 11:37:02 -08:00
Linus Torvalds
46f7b63556 Staging drivers patches for 3.20-rc1
Here's the big staging driver tree update for 3.20-rc1.  Lots of little
 things in here, adding up to lots of overall cleanups.  The IIO driver
 updates are also in here as they cross the staging tree boundry a lot.
 I2O has moved into staging as well, as a plan to drop it from the tree
 eventually as that's a dead subsystem.
 
 All of this has been in linux-next with no reported issues for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging drivers patches from Greg KH:
 "Here's the big staging driver tree update for 3.20-rc1.

  Lots of little things in here, adding up to lots of overall cleanups.
  The IIO driver updates are also in here as they cross the staging tree
  boundry a lot.  I2O has moved into staging as well, as a plan to drop
  it from the tree eventually as that's a dead subsystem.

  All of this has been in linux-next with no reported issues for a
  while"

* tag 'staging-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (740 commits)
  staging: lustre: lustre: libcfs: define symbols as static
  staging: rtl8712: Do coding style cleanup
  staging: lustre: make obd_updatemax_lock static
  staging: rtl8188eu: core: switch with redundant cases
  staging: rtl8188eu: odm: conditional setting with no effect
  staging: rtl8188eu: odm: condition with no effect
  staging: ft1000: fix braces warning
  staging: sm7xxfb: fix remaining CamelCase
  staging: sm7xxfb: fix CamelCase
  staging: rtl8723au: multiple condition with no effect - if identical to else
  staging: sm7xxfb: make smtc_scr_info static
  staging/lustre/mdc: Initialize req in mdc_enqueue for !it case
  staging/lustre/clio: Do not allow group locks with gid 0
  staging/lustre/llite: don't add to page cache upon failure
  staging/lustre/llite: Add exception entry check after radix_tree
  staging/lustre/libcfs: protect kkuc_groups from write access
  staging/lustre/fld: refer to MDT0 for fld lookup in some cases
  staging/lustre/llite: Solve a race to access lli_has_smd in read case
  staging/lustre/ptlrpc: hold rq_lock when modify rq_flags
  staging/lustre/lnet: portal spreading rotor should be unsigned
  ...
2015-02-15 11:30:39 -08:00
Linus Torvalds
9682ec9692 driver core patches for 3.20-rc1
Really tiny set of patches for this kernel.  Nothing major, all
 described in the shortlog and have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core patches from Greg KH:
 "Really tiny set of patches for this kernel.  Nothing major, all
  described in the shortlog and have been in linux-next for a while"

* tag 'driver-core-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  sysfs: fix warning when creating a sysfs group without attributes
  firmware_loader: handle timeout via wait_for_completion_interruptible_timeout()
  firmware_loader: abort request if wait_for_completion is interrupted
  firmware: Correct function name in comment
  device: Change dev_<level> logging functions to return void
  device: Fix dev_dbg_once macro
2015-02-15 11:11:47 -08:00
Linus Torvalds
4ba63072b9 Char / Misc patches for 3.20-rc1
Here's the big char/misc driver update for 3.20-rc1.
 
 Lots of little things in here, all described in the changelog.  Nothing
 major or unusual, except maybe the binder selinux stuff, which was all
 acked by the proper selinux people and they thought it best to come
 through this tree.
 
 All of this has been in linux-next with no reported issues for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc patches from Greg KH:
 "Here's the big char/misc driver update for 3.20-rc1.

  Lots of little things in here, all described in the changelog.
  Nothing major or unusual, except maybe the binder selinux stuff, which
  was all acked by the proper selinux people and they thought it best to
  come through this tree.

  All of this has been in linux-next with no reported issues for a while"

* tag 'char-misc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (90 commits)
  coresight: fix function etm_writel_cp14() parameter order
  coresight-etm: remove check for unknown Kconfig macro
  coresight: fixing CPU hwid lookup in device tree
  coresight: remove the unnecessary function coresight_is_bit_set()
  coresight: fix the debug AMBA bus name
  coresight: remove the extra spaces
  coresight: fix the link between orphan connection and newly added device
  coresight: remove the unnecessary replicator property
  coresight: fix the replicator subtype value
  pdfdocs: Fix 'make pdfdocs' failure for 'uio-howto.tmpl'
  mcb: Fix error path of mcb_pci_probe
  virtio/console: verify device has config space
  ti-st: clean up data types (fix harmless memory corruption)
  mei: me: release hw from reset only during the reset flow
  mei: mask interrupt set bit on clean reset bit
  extcon: max77693: Constify struct regmap_config
  extcon: adc-jack: Release IIO channel on driver remove
  extcon: Remove duplicated include from extcon-class.c
  Drivers: hv: vmbus: hv_process_timer_expiration() can be static
  Drivers: hv: vmbus: serialize Offer and Rescind offer
  ...
2015-02-15 10:48:44 -08:00
Rafael J. Wysocki
5f50818520 ACPI / idle: Implement ->enter_freeze callback routine
Add an ->enter_freeze callback routine, acpi_idle_enter_freeze(), to
the ACPI cpuidle driver and point ->enter_freeze to it for all the
C2-type and C3-type states that don't need to fall back to C1
(which may be halt-induced and that will re-enable interrupts on
exit from idle, which ->enter_freeze cannot do).

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
2015-02-15 19:40:10 +01:00
Rafael J. Wysocki
5fe2e52720 intel_idle: Add ->enter_freeze callbacks
Add an ->enter_freeze callback routine, intel_idle_freeze(), to
the intel_idle driver and point the ->enter_freeze callback
pointers of all of the driver's state objects to it.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
2015-02-15 19:40:09 +01:00
Rafael J. Wysocki
124cf9117c PM / sleep: Make it possible to quiesce timers during suspend-to-idle
The efficiency of suspend-to-idle depends on being able to keep CPUs
in the deepest available idle states for as much time as possible.
Ideally, they should only be brought out of idle by system wakeup
interrupts.

However, timer interrupts occurring periodically prevent that from
happening and it is not practical to chase all of the "misbehaving"
timers in a whack-a-mole fashion.  A much more effective approach is
to suspend the local ticks for all CPUs and the entire timekeeping
along the lines of what is done during full suspend, which also
helps to keep suspend-to-idle and full suspend reasonably similar.

The idea is to suspend the local tick on each CPU executing
cpuidle_enter_freeze() and to make the last of them suspend the
entire timekeeping.  That should prevent timer interrupts from
triggering until an IO interrupt wakes up one of the CPUs.  It
needs to be done with interrupts disabled on all of the CPUs,
though, because otherwise the suspended clocksource might be
accessed by an interrupt handler which might lead to fatal
consequences.

Unfortunately, the existing ->enter callbacks provided by cpuidle
drivers generally cannot be used for implementing that, because some
of them re-enable interrupts temporarily and some idle entry methods
cause interrupts to be re-enabled automatically on exit.  Also some
of these callbacks manipulate local clock event devices of the CPUs
which really shouldn't be done after suspending their ticks.

To overcome that difficulty, introduce a new cpuidle state callback,
->enter_freeze, that will be guaranteed (1) to keep interrupts
disabled all the time (and return with interrupts disabled) and (2)
not to touch the CPU timer devices.  Modify cpuidle_enter_freeze() to
look for the deepest available idle state with ->enter_freeze present
and to make the CPU execute that callback with suspended tick (and the
last of the online CPUs to execute it with suspended timekeeping).

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
2015-02-15 19:40:09 +01:00
Rafael J. Wysocki
060407aed5 timekeeping: Make it safe to use the fast timekeeper while suspended
Theoretically, ktime_get_mono_fast_ns() may be executed after
timekeeping has been suspended (or before it is resumed) which
in turn may lead to undefined behavior, for example, when the
clocksource read from timekeeping_get_ns() called by it is
not accessible at that time.

Prevent that from happening by setting up a dummy readout base for
the fast timekeeper during timekeeping_suspend() such that it will
always return the same number of cycles.

After the last timekeeping_update() in timekeeping_suspend() the
clocksource is read and the result is stored as cycles_at_suspend.
The readout base from the current timekeeper is copied onto the
dummy and the ->read pointer of the dummy is set to a routine
unconditionally returning cycles_at_suspend.  Next, the dummy is
passed to update_fast_timekeeper().

Then, ktime_get_mono_fast_ns() will work until the subsequent
timekeeping_resume() and the proper readout base for the fast
timekeeper will be restored by the timekeeping_update() called
right after clearing timekeeping_suspended.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
2015-02-15 19:39:40 +01:00
Linus Torvalds
e29876723f USB patches for 3.20-rc1
Here's the big pull request for the USB driver tree for 3.20-rc1.
 
 Nothing major happening here, just lots of gadget driver updates, new
 device ids, and a bunch of cleanups.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg KH:
 "Here's the big pull request for the USB driver tree for 3.20-rc1.

  Nothing major happening here, just lots of gadget driver updates, new
  device ids, and a bunch of cleanups.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (299 commits)
  usb: musb: fix device hotplug behind hub
  usb: dwc2: Fix a bug in reading the endpoint directions from reg.
  staging: emxx_udc: fix the build error
  usb: Retry port status check on resume to work around RH bugs
  Revert "usb: Reset USB-3 devices on USB-3 link bounce"
  uhci-hub: use HUB_CHAR_*
  usb: kconfig: replace PPC_OF with PPC
  ehci-pci: disable for Intel MID platforms (update)
  usb: gadget: Kconfig: use bool instead of boolean
  usb: musb: blackfin: remove incorrect __exit_p()
  USB: fix use-after-free bug in usb_hcd_unlink_urb()
  ehci-pci: disable for Intel MID platforms
  usb: host: pci_quirks: joing string literals
  USB: add flag for HCDs that can't receive wakeup requests (isp1760-hcd)
  USB: usbfs: allow URBs to be reaped after disconnection
  cdc-acm: kill unnecessary messages
  cdc-acm: add sanity checks
  usb: phy: phy-generic: Fix USB PHY gpio reset
  usb: dwc2: fix USB core dependencies
  usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel()
  ...
2015-02-15 10:24:55 -08:00
Linus Torvalds
8c988ae787 Merge branch 'for-linus-v3.20' of git://git.infradead.org/linux-ubifs
Pull UBI and UBIFS updates from Richard Weinberger:
 - cleanups and bug fixes all over UBI and UBIFS
 - block-mq support for UBI Block
 - UBI volumes can now be renamed while they are in use
 - security.* XATTR support for UBIFS
 - a maintainer update

* 'for-linus-v3.20' of git://git.infradead.org/linux-ubifs:
  UBI: block: Fix checking for NULL instead of IS_ERR()
  UBI: block: Continue creating ubiblocks after an initialization error
  UBIFS: return -EINVAL if log head is empty
  UBI: Block: Explain usage of blk_rq_map_sg()
  UBI: fix soft lockup in ubi_check_volume()
  UBI: Fastmap: Care about the protection queue
  UBIFS: add a couple of extra asserts
  UBI: do propagate positive error codes up
  UBI: clean-up printing helpers
  UBI: extend UBI layer debug/messaging capabilities - cosmetics
  UBIFS: add ubifs_err() to print error reason
  UBIFS: Add security.* XATTR support for the UBIFS
  UBIFS: Add xattr support for symlinks
  UBI: Block: Add blk-mq support
  UBI: Add initial support for scatter gather
  UBI: rename_volumes: Use UBI_METAONLY
  UBI: Implement UBI_METAONLY
  Add myself as UBI co-maintainer
2015-02-15 10:11:39 -08:00
honclo
eb71f8a5e3 Added Little Endian support to vtpm module
The tpm_ibmvtpm module is affected by an unaligned access problem.
ibmvtpm_crq_get_version failed with rc=-4 during boot when vTPM is
enabled in Power partition, which supports both little endian and
big endian modes.

We added little endian support to fix this problem:
1) added cpu_to_be64 calls to ensure BE data is sent from an LE OS.
2) added be16_to_cpu and be32_to_cpu calls to make sure data received
   is in LE format on a LE OS.

Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com>
Signed-off-by: Joy Latten <jmlatten@linux.vnet.ibm.com>
Cc: <stable@vger.kernel.org>
[phuewe: manually applied the patch :( ]
Reviewed-by: Ashley Lai <ashley@ahsleylai.com>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
2015-02-15 17:36:05 +01:00
WANG Cong
7afb8886a0 rtnetlink: call ->dellink on failure when ->newlink exists
Ignacy reported that when eth0 is down and add a vlan device
on top of it like:

  ip link add link eth0 name eth0.1 up type vlan id 1

We will get a refcount leak:

  unregister_netdevice: waiting for eth0.1 to become free. Usage count = 2

The problem is when rtnl_configure_link() fails in rtnl_newlink(),
we simply call unregister_device(), but for stacked device like vlan,
we almost do nothing when we unregister the upper device, more work
is done when we unregister the lower device, so call its ->dellink().

Reported-by: Ignacy Gawedzki <ignacy.gawedzki@green-communications.fr>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-15 08:30:10 -08:00
Michael Grzeschik
d95e2fe0ff com20020-pci: add support for eae single card
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-15 08:21:34 -08:00
Jason Wang
0960b6417e vhost_net: fix wrong iter offset when setting number of buffers
In commit ba7438aed9 ("vhost: don't bother copying iovecs in
handle_rx(), kill memcpy_toiovecend()"), we advance iov iter fixup
sizeof(struct virtio_net_hdr) bytes and fill the number of buffers
after doing the socket recvmsg(). This work well but was broken after
commit 6e03f896b5 ("Merge
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net") which tries
to advance sizeof(struct virtio_net_hdr_mrg_rxbuf). It will fill the
number of buffers at the wrong place. This patch fixes this.

Fixes 6e03f896b5
("Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net")
Cc: David S. Miller <davem@davemloft.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-15 08:17:15 -08:00
Jarkko Sakkinen
4d5f2051cd tpm, tpm_tis: fix TPM 2.0 probing
If during transmission system error was returned, the logic was to
incorrectly deduce that chip is a TPM 1.x chip. This patch fixes this
issue. Also, this patch changes probing so that message tag is used as the
measure for TPM 2.x, which should be much more stable. A separate function
called tpm2_probe() is encapsulated because it can be used with any
chipset.

Fixes: aec04cbdf7 ("tpm: TPM 2.0 FIFO Interface")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
2015-02-15 16:59:15 +01:00
Jarkko Sakkinen
74d6b3ceaa tpm: fix suspend/resume paths for TPM 2.0
Fixed suspend/resume paths for TPM 2.0 and consolidated all the
associated code to the tpm_pm_suspend() and tpm_pm_resume()
functions. Resume path should be handled by the firmware, i.e.
Startup(CLEAR) for hibernate and Startup(STATE) for suspend.

There might be some non-PC embedded devices in the future where
Startup() is not the handled by the FW but fixing the code for
those IMHO should be postponed until there is hardware available
to test the fixes although extra Startup in the driver code is
essentially a NOP.

Added Shutdown(CLEAR) to the remove paths of TIS and CRB drivers.
Changed tpm2_shutdown() to a void function because there isn't
much you can do except print an error message if this fails with
a system error.

Fixes: aec04cbdf7 ("tpm: TPM 2.0 FIFO Interface")
Fixes: 30fc8d138e ("tpm: TPM 2.0 CRB Interface")
[phuewe: both did send TPM_Shutdown on resume which 'disables' the TPM
and did not send TPM2_Shutdown on teardown which leads some TPM2.0 to
believe there was an attack (no TPM2_Shutdown = no orderly shutdown =
attack)]

Reported-by: Peter Hüwe <PeterHuewe@gmx.de>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Scot Doyle <lkml14@scotdoyle.com>
Reviewed-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
2015-02-15 16:56:49 +01:00
Stephen Hemminger
ca9f1fd263 net: spelling fixes
Spelling errors caught by codespell.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-14 20:36:08 -08:00
Masanari Iida
4a26e453d9 net/core: Fix warning while make xmldocs caused by dev.c
This patch fix following warning wile make xmldocs.

  Warning(.//net/core/dev.c:5345): No description found
  for parameter 'bonding_info'
  Warning(.//net/core/dev.c:5345): Excess function parameter
  'netdev_bonding_info' description in 'netdev_bonding_info_change'

This warning starts to appear after following patch was added
into Linus's tree during merger period.

commit 61bd3857ff
net/core: Add event for a change in slave state

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-14 20:34:49 -08:00
Sylvain Rochet
2b0ba96cea net: phy: micrel: disable NAND-tree for KSZ8021, KSZ8031, KSZ8051, KSZ8081
NAND-tree is used to check wiring between MAC and PHY using NAND gates
on the PHY side, hence the name.

NAND-tree initial status is latched at reset by probing the IRQ pin.
However some devices are sharing the PHY IRQ pin with other peripherals
such as Atmel SAMA5D[34]x-EK boards when using the optional TM7000
display module, therefore they are switching the PHY in NAND-tree test
mode depending on the current IRQ line status at reset.

This patch ensure PHY is not in NAND-tree test mode for all Micrel PHYs
using IRQ line as a NAND-tree toggle mode at reset.

Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-14 20:30:55 -08:00
Martin KaFai Lau
3b4711757d ipv6: fix ipv6_cow_metrics for non DST_HOST case
ipv6_cow_metrics() currently assumes only DST_HOST routes require
dynamic metrics allocation from inetpeer.  The assumption breaks
when ndisc discovered router with RTAX_MTU and RTAX_HOPLIMIT metric.
Refer to ndisc_router_discovery() in ndisc.c and note that dst_metric_set()
is called after the route is created.

This patch creates the metrics array (by calling dst_cow_metrics_generic) in
ipv6_cow_metrics().

Test:
radvd.conf:
interface qemubr0
{
	AdvLinkMTU 1300;
	AdvCurHopLimit 30;

	prefix fd00:face:face:face::/64
	{
		AdvOnLink on;
		AdvAutonomous on;
		AdvRouterAddr off;
	};
};

Before:
[root@qemu1 ~]# ip -6 r show | egrep -v unreachable
fd00:face:face:face::/64 dev eth0  proto kernel  metric 256  expires 27sec
fe80::/64 dev eth0  proto kernel  metric 256
default via fe80::74df:d0ff:fe23:8ef2 dev eth0  proto ra  metric 1024  expires 27sec

After:
[root@qemu1 ~]# ip -6 r show | egrep -v unreachable
fd00:face:face:face::/64 dev eth0  proto kernel  metric 256  expires 27sec mtu 1300
fe80::/64 dev eth0  proto kernel  metric 256  mtu 1300
default via fe80::74df:d0ff:fe23:8ef2 dev eth0  proto ra  metric 1024  expires 27sec mtu 1300 hoplimit 30

Fixes: 8e2ec63917 (ipv6: don't use inetpeer to store metrics for routes.)
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-14 20:26:16 -08:00
Pravin B Shelar
26ad0b8358 openvswitch: Fix key serialization.
Fix typo where mask is used rather than key.

Fixes: 74ed7ab9264("openvswitch: Add support for unique flow IDs.")
Reported-by: Joe Stringer <joestringer@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Joe Stringer <joestringer@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-14 20:20:40 -08:00
hayeswang
65bab84c79 r8152: restore hw settings
There is a capability which let the hw could change the settings
automatically when the power change to ON. However, the USB reset
would reset the settings to the hw default, so the driver has to
restore the relative settings. Otherwise, it would influence the
functions of the hw, and the compatibility for the USB hub and
USB host controller.

The relative settings are as following.
 - set the power down scale to 96.
 - enable the power saving function of USB 2.0.
 - disable the ALDPS of ECM mode.
 - set burst mode depending on the burst size.
 - enable the flow control of endpoint full.
 - set fifo empty boundary to 32448 bytes.
 - enable the function of exiting LPM when Rx OK occurs.
 - set the connect timer to 1.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-14 20:15:45 -08:00
Adrien Schildknecht
d347efeb16 mutex: remove unused field "name" in debug mode
This field is unused and uninitialized since commit 9a11b49a80
("[PATCH] lockdep: better lock debugging")

Signed-off-by: Adrien Schildknecht <adrien+dev@schischi.me>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-14 11:32:59 -08:00