Commit Graph

468659 Commits

Author SHA1 Message Date
Linus Torvalds
1ae45cf06c IOMMU Fixes for Linux v3.17-rc1
The fixes include:
 
 	* A patch to fix a crash in the VT-d driver when devices with a
 	  driver attached are hot-unplugged
 
 	* A patch for the AMD IOMMU driver to fix a crash with device
 	  assignment of 32 bit PCI devices to KVM guests
 
 	* Fix for a copy&paste error in generic IOMMU code. Now the
 	  right function pointer is checked before calling.
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Merge tag 'iommu-fixes-v3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "The fixes include:

   - fix a crash in the VT-d driver when devices with a driver attached
     are hot-unplugged

   - fix a AMD IOMMU driver crash with device assignment of 32 bit PCI
     devices to KVM guests

   - fix for a copy&paste error in generic IOMMU code.  Now the right
     function pointer is checked before calling"

* tag 'iommu-fixes-v3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/core: Check for the right function pointer in iommu_map()
  iommu/amd: Fix cleanup_domain for mass device removal
  iommu/vt-d: Defer domain removal if device is assigned to a driver
2014-08-22 09:06:22 -07:00
Alex Deucher
37dbeab788 drm/radeon: add additional SI pci ids
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-08-22 10:47:59 -04:00
Alex Deucher
5fc540edc8 drm/radeon: add new bonaire pci ids
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-08-22 10:47:59 -04:00
Alex Deucher
6dc14baf4c drm/radeon: add new KV pci id
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=82912

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-08-22 10:47:58 -04:00
Ingo Molnar
80b304fd00 * WARN_ON(!spin_is_locked()) always triggers on non-SMP machines.
Swap it for the more canonical lockdep_assert_held() which always
    does the right thing - Guenter Roeck
 
  * Assign the correct value to efi.runtime_version on arm64 so that all
    the runtime services can be invoked - Semen Protsenko
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Merge tag 'efi-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into x86/urgent

Pull EFI fixes from Matt Fleming:

 * WARN_ON(!spin_is_locked()) always triggers on non-SMP machines.
   Swap it for the more canonical lockdep_assert_held() which always
   does the right thing - Guenter Roeck

 * Assign the correct value to efi.runtime_version on arm64 so that all
   the runtime services can be invoked - Semen Protsenko

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-08-22 10:04:15 +02:00
Semen Protsenko
6a7519e813 efi/arm64: Store Runtime Services revision
"efi" global data structure contains "runtime_version" field which must
be assigned in order to use it later in Runtime Services virtual calls
(virt_efi_* functions).

Before this patch "runtime_version" was unassigned (0), so each
Runtime Service virtual call that checks revision would fail.

Signed-off-by: Semen Protsenko <semen.protsenko@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2014-08-22 08:45:41 +01:00
Guenter Roeck
aee530cfec firmware: Do not use WARN_ON(!spin_is_locked())
spin_is_locked() always returns false for uniprocessor configurations
in several architectures, so do not use WARN_ON with it.
Use lockdep_assert_held() instead to also reduce overhead in
non-debug kernels.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2014-08-22 08:45:40 +01:00
Hariprasad Shenai
08f1a1b9d1 cxgb4: Free completed tx skbs promptly
Description of problem:
The NIC card is not reporting back to the driver the transmitted skbs,
so they get stuck in the TX ring causing issues with reference
counters in other kernel components.

Developed a new Automatic Egress Queue Update firmware facility to slowly tick
through Egress Queues and send back any outstanding CIDX Updates which are
laying around.

Based on original work by Casey Leedom <leedom@chelsio.com>

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 21:54:52 -07:00
David S. Miller
215a004c61 linux-can-fixes-for-3.17-20140821
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Merge tag 'linux-can-fixes-for-3.17-20140821' of git://gitorious.org/linux-can/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2014-08-21

The first patch is from Mirza Krak, it fixes the initialization of the hardware
in the sja1000 driver. The next patch is contributed by Dan Carpenter, it fixes
the error handling in the c_can's probe function. Then there are two patches
for the flexcan driver, one by Alexander Stein, which fixes the resetting of
the bus error interrupt mask, the other one by Sebastian Andrzej Siewior which
adds an additional error state transition message.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 21:53:15 -07:00
Anish Bhatt
29aaee65bc cxgb4: Fix race condition in cleanup
There is a possible race condition when we unregister the PCI Driver and then
flush/destroy the global "workq". This could lead to situations where there
are tasks on the Work Queue with references to now deleted adapter data
structures. Instead, have per-adapter Work Queues which were instantiated and
torn down in init_one() and remove_one(), respectively.

v2: Remove unnecessary call to flush_workqueue() before destroy_workqueue()

Signed-off-by: Anish Bhatt <anish@chelsio.com>
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 21:45:36 -07:00
zhuyj
061079ac0b sctp: not send SCTP_PEER_ADDR_CHANGE notifications with failed probe
Since the transport has always been in state SCTP_UNCONFIRMED, it
therefore wasn't active before and hasn't been used before, and it
always has been, so it is unnecessary to bug the user with a
notification.

Reported-by: Deepak Khandelwal <khandelwal.deepak.1987@gmail.com>
Suggested-by: Vlad Yasevich <vyasevich@gmail.com>
Suggested-by: Michael Tuexen <tuexen@fh-muenster.de>
Suggested-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Zhu Yanjun <Yanjun.Zhu@windriver.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 21:33:17 -07:00
Geert Uytterhoeven
049d28048b sh: intc: Confine SH_INTC to platforms that need it
Currently the sh-intc driver is compiled on all SuperH and
non-multiplatform SH-Mobile platforms, while it's only used on a limited
number of platforms:
  - SuperH: SH2(A), SH3(A), SH4(A)(L) (all but SH5)
  - ARM: sh7372, sh73a0

Drop the "default y" on SH_INTC, make all CPU platforms that use it
select it, and protect all sub-options by "if SH_INTC" to fix this.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Magnus Damm <damm+renesas@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2014-08-22 12:28:16 +09:00
Yuval Mintz
7c3afd85dc bnx2x: Revert UNDI flushing mechanism
Commit 91ebb929b6 ("bnx2x: Add support for Multi-Function UNDI") [which was
later supposedly fixed by de682941ee ("bnx2x: Fix UNDI driver unload")]
introduced a bug in which in some [yet-to-be-determined] scenarios the
alternative flushing mechanism which was to guarantee the Rx buffers are
empty before resetting them during device probe will fail.
If this happens, when device will be loaded once more a fatal attention will
occur; Since this most likely happens in boot from SAN scenarios, the machine
will fail to load.

Notice this may occur not only in the 'Multi-Function' scenario but in the
regular scenario as well, i.e., this introduced a regression in the driver's
ability to perform boot from SAN.

The patch reverts the mechanism and applies the old scheme to multi-function
devices as well as to single-function devices.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 17:54:43 -07:00
David S. Miller
9a6d33c307 Merge branch 'qlcnic'
Shahed Shaikh says:

====================
qlcnic: Bug fixes

This series fixes some bugs related to endianess.

Please apply this series to net.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 17:43:20 -07:00
Shahed Shaikh
3d8623e600 qlcnic: Fix endianess issue in firmware load from file operation
Firmware binary file is in little endian. On big-endian architecture, while
writing this binary FW file to adapters memory, writel() swaps the data resulting into
corruption of FW image. So, swap the data before writing into adapters memory.

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 17:43:15 -07:00
Rajesh Borundia
d874df58ff qlcnic: Fix endianess issue in FW dump template header
Firmware dump template header is read from adapter using
readl() which swaps the data. So, adjust structure
element on the boundary of 32bit dword.

Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 17:43:15 -07:00
Jitendra Kalsaria
26acc71252 qlcnic: Fix flash access interface to application
Application expects flash data in little endian, but driver reads/writes
flash data using readl()/writel() APIs which swaps data on big endian machine.
So, swap the data after reading from and before writing to flash memory.

Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 17:43:15 -07:00
Alan Ott
d715569112 MAINTAINERS: Add section for MRF24J40 IEEE 802.15.4 radio driver
Alan is the original author of the driver. This change was discussed
with the 802.15.4 subsystem maintainer, Alexander Aring.

Signed-off-by: Alan Ott <alan@signal11.us>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 17:36:50 -07:00
Vlad Yasevich
8a50f11c3b macvlan: Allow setting multicast filter on all macvlan types
Currently, macvlan code restricts multicast and unicast
filter setting only to passthru devices.  As a result,
if a guest using macvtap wants to receive multicast
traffic, it has to set IFF_ALLMULTI or IFF_PROMISC.

This patch makes it possible to use the fdb interface
to add multicast addresses to the filter thus allowing
a guest to receive only targeted multicast traffic.

CC: John Fastabend <john.r.fastabend@intel.com>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Jason Wang <jasowang@redhat.com>
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 16:54:25 -07:00
Eric Dumazet
dc808110bb packet: handle too big packets for PACKET_V3
af_packet can currently overwrite kernel memory by out of bound
accesses, because it assumed a [new] block can always hold one frame.

This is not generally the case, even if most existing tools do it right.

This patch clamps too long frames as API permits, and issue a one time
error on syslog.

[  394.357639] tpacket_rcv: packet too big, clamped from 5042 to 3966. macoff=82

In this example, packet header tp_snaplen was set to 3966,
and tp_len was set to 5042 (skb->len)

Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: f6fb8f100b ("af-packet: TPACKET_V3 flexible buffer implementation.")
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 16:44:28 -07:00
Dariusz Marcinkiewicz
564ee3606f MAINTAINERS: add entry for ec_bhf driver
Added entry for ec_bhf driver.

Signed-off-by: Dariusz Marcinkiewicz <reksio@newterm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 16:39:34 -07:00
chas williams - CONTRACTOR
6df378d2d1 lec: Use rtnl lock/unlock when updating MTU
The LECS response contains the MTU that should be used.  Correctly
synchronize with other layers when updating.

Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-21 16:31:23 -07:00
Dave Airlie
20a984c2a5 Merge tag 'drm-intel-fixes-2014-08-21' of git://anongit.freedesktop.org/drm-intel
Display fixes from Ville and Imre, all cc: stable.

* tag 'drm-intel-fixes-2014-08-21' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: don't try to retrain a DP link on an inactive CRTC
  drm/i915: make sure VDD is turned off during system suspend
  drm/i915: cancel hotplug and dig_port work during suspend and unload
  drm/i915: fix HPD IRQ reenable work cancelation
  drm/i915: take display port power domain in DP HPD handler
  drm/i915: Don't try to enable cursor from setplane when crtc is disabled
  drm/i915: Skip load detect when intel_crtc->new_enable==true
  drm/i915: Fix locking for intel_enable_pipe_a()
2014-08-22 07:29:52 +10:00
Dave Airlie
c3735aeb65 Merge branch 'drm-fixes-3.17' of git://people.freedesktop.org/~agd5f/linux
more radeon fixes

* 'drm-fixes-3.17' of git://people.freedesktop.org/~agd5f/linux:
  Revert "drm/radeon: Use write-combined CPU mappings of ring buffers with PCIe"
  drm/radeon: fix active_cu mask on SI and CIK after re-init (v3)
  drm/radeon: fix active cu count for SI and CIK
  drm/radeon: re-enable selective GPUVM flushing
  drm/radeon: Sync ME and PFP after CP semaphore waits v4
  drm/radeon: fix display handling in radeon_gpu_reset
  drm/radeon: fix pm handling in radeon_gpu_reset
  drm/radeon: Only flush HDP cache for indirect buffers from userspace
  drm/radeon: properly document reloc priority mask
2014-08-22 07:29:25 +10:00
Linus Torvalds
5317821c08 Merge branch 'for-3.17-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
 "Nothing drastic but pushing out early due to build breakage in the new
  tegra platform.

  Additionally:

   - M550 tagged trim blacklist pattern is widened so that it matches
     the new 1TB model

   - three controller specific fixes"

* 'for-3.17-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  libata: widen Crucial M550 blacklist matching
  pata_scc: propagate return value of scc_wait_after_reset
  ata: ahci_tegra: Change include to fix compilation
  pata_samsung_cf: change ret type to signed
  ahci_xgene: Removing NCQ support from the APM X-Gene SoC AHCI SATA Host Controller driver.
2014-08-21 14:26:27 -07:00
Linus Torvalds
cee5aa1f81 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:

 - fixes for a couple potential memory corruption problems (the HW would
   have to be manufactured to be deliberately evil to trigger those)
   found by Ben Hawkes
 - fix for potential infinite loop when using sysfs interface of
   logitech driver, from Simon Wood
 - a couple more simple driver fixes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: fix a couple of off-by-ones
  HID: logitech: perform bounds checking on device_id early enough
  HID: logitech: fix bounds checking on LED report size
  HID: logitech: Prevent possibility of infinite loop when using /sys interface
  HID: rmi: print an error if F11 is not found instead of stopping the device
  HID: hid-sensor-hub: use devm_ functions consistently
  HID: huion: Use allocated buffer for DMA
  HID: huion: Fail on parameter retrieval errors
2014-08-21 14:25:20 -07:00
Linus Torvalds
e9d99a1dec sound fixes for 3.17-rc2
A bunch of ASoC fixes with a few HD-audio fixes in this pull request.
 All fairly small, boring and device-specific fixes, in addition to
 MAINTAINERS update for better reviewing.
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Merge tag 'sound-3.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A bunch of ASoC fixes with a few HD-audio fixes in this pull request.

  All fairly small, boring and device-specific fixes, in addition to
  MAINTAINERS update for better reviewing"

* tag 'sound-3.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda/hdmi - apply Valleyview fix-ups to Cherryview display codec
  ALSA: hda/hdmi - set depop_delay for haswell plus
  ALSA: hda - restore the gpio led after resume
  ALSA: hda/realtek - Avoid setting wrong COEF on ALC269 & co
  ASoC: pxa-ssp: drop SNDRV_PCM_FMTBIT_S24_LE
  ASoC: fsl-esai: Revert .xlate_tdm_slot_mask() support
  ASoC: mcasp: Fix implicit BLCK divider setting
  ASoC: arizona: Fix TDM slot length handling in arizona_hw_params
  ASoC: pcm512x: Correct Digital Playback control names
  ASoC: dapm: Fix uninitialized variable in snd_soc_dapm_get_enum_double()
  ASoC: Intel: Restore Baytrail ADSP streams only when ADSP was in reset
  ASoC: Intel: Wait Baytrail ADSP boot at resume_early stage
  ASoC: Intel: Merge Baytrail ADSP suspend_noirq into suspend_late
  MAINTAINERS: Add i.MX maintainers and paths to Freescale ASoC entry
  ASoC: Intel: Update Baytrail ADSP firmware name
2014-08-21 14:24:40 -07:00
Linus Torvalds
29fdd5ba62 Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "Here is the fixup for the 'lowlight' of my last pull request.  I2C is
  not selected anymore by I2C_ACPI.  Instead, the code in question now
  depends on I2C=y.

  Also, Mika has agreed to support me and be the maintainer for I2C-ACPI
  related patches.  Finally, a new-ID-patch came along last week"

* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  MAINTAINERS: add maintainer for ACPI parts of I2C
  i2c: i801: Add PCI ID for Intel Braswell
  i2c: rework kernel config I2C_ACPI
2014-08-21 14:07:44 -07:00
Linus Torvalds
d1433d55c7 Add memfd_create syscall to ia64
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Merge tag 'please-pull-memfd_create' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 update from Tony Luck:
 "Add memfd_create syscall to ia64"

* tag 'please-pull-memfd_create' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  [IA64] Wire up memfd_create() system call
2014-08-21 14:06:56 -07:00
Linus Torvalds
f8d08a1bb4 Microblaze patches for 3.17-rc2
- Wire-up seccomp/getrandom/memfd_create syscalls
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Merge tag 'microblaze-3.17-rc2' of git://git.monstr.eu/linux-2.6-microblaze

Pull microblaze update from Michal Simek:
 "Wire-up seccomp/getrandom/memfd_create syscalls"

* tag 'microblaze-3.17-rc2' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: Wire-up memfd_create syscall
  microblaze: Wire-up getrandom syscall
  microblaze: Wire-up seccomp syscall
2014-08-21 14:06:18 -07:00
Jiri Kosina
4ab25786c8 HID: fix a couple of off-by-ones
There are a few very theoretical off-by-one bugs in report descriptor size
checking when performing a pre-parsing fixup. Fix those.

Cc: stable@vger.kernel.org
Reported-by: Ben Hawkes <hawkes@google.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-08-21 10:43:28 -05:00
Jiri Kosina
ad3e14d7c5 HID: logitech: perform bounds checking on device_id early enough
device_index is a char type and the size of paired_dj_deivces is 7
elements, therefore proper bounds checking has to be applied to
device_index before it is used.

We are currently performing the bounds checking in
logi_dj_recv_add_djhid_device(), which is too late, as malicious device
could send REPORT_TYPE_NOTIF_DEVICE_UNPAIRED early enough and trigger the
problem in one of the report forwarding functions called from
logi_dj_raw_event().

Fix this by performing the check at the earliest possible ocasion in
logi_dj_raw_event().

Cc: stable@vger.kernel.org
Reported-by: Ben Hawkes <hawkes@google.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-08-21 10:43:06 -05:00
Jiri Kosina
51217e6969 HID: logitech: fix bounds checking on LED report size
The check on report size for REPORT_TYPE_LEDS in logi_dj_ll_raw_request()
is wrong; the current check doesn't make any sense -- the report allocated
by HID core in hid_hw_raw_request() can be much larger than
DJREPORT_SHORT_LENGTH, and currently logi_dj_ll_raw_request() doesn't
handle this properly at all.

Fix the check by actually trimming down the report size properly if it is
too large.

Cc: stable@vger.kernel.org
Reported-by: Ben Hawkes <hawkes@google.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-08-21 10:38:13 -05:00
Mathias Nyman
8117bd5315 gpio-lynxpoint: enable input sensing in resume
It appears that input sensing bit might be reset during
suspend/resume. Set input sensing again for all requested gpios
in resume

Tested-by: Jerome Blin <jerome.blin@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-08-21 07:44:57 -05:00
Linus Walleij
58b84f6a97 gpio: move GPIOD flags outside #ifdef
The GPIOD flags are defined inside the #ifdef CONFIG_GPIOLIB
switch, making the gpiolib stubs fail if these flags are used
by a consumer. This is not correct: the stubs should compile
fine without GPIOLIB.

Reported-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-08-21 07:44:36 -05:00
Sebastian Andrzej Siewior
8ce261d0bb can: flexcan: handle state passive -> warning transition
Once the CAN-bus is open and a packet is sent, the controller switches
into the PASSIVE state. Once the BUS is closed again it goes the back
err-warning. The TX error counter goes 0 -> 0x80 -> 0x7f.
This patch makes sure that the user learns about this state chang
(CAN_STATE_ERROR_WARNING => CAN_STATE_ERROR_PASSIVE)

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Matthias Klein <matthias.klein@optimeas.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-08-21 10:50:00 +02:00
Alexander Stein
bc03a54139 can: flexcan: Disable error interrupt when bus error reporting is disabled
In case we don't have FLEXCAN_HAS_BROKEN_ERR_STATE and the user set
CAN_CTRLMODE_BERR_REPORTING once it can not be unset again until reboot.
So in case neither hardware nor user wants the error interrupt disable
the bit.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-08-21 10:49:59 +02:00
Dan Carpenter
37b75a3aa8 can: c_can: checking IS_ERR() instead of NULL
devm_ioremap() returns NULL on error, not an ERR_PTR().

Fixes: 33cf756569 ('can: c_can_platform: Fix raminit, use devm_ioremap() instead of devm_ioremap_resource()')

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: linux-stable <stable@vger.kernel.org> # >= v3.11
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-08-21 10:49:59 +02:00
Mirza Krak
9e37bc6c63 can: sja1000: Validate initialization state in start method
When sja1000 is not compiled as module the SJA1000 chip is only
initialized during device registration on kernel boot. Should the chip
get a hardware reset there is no way to reinitialize it without re-
booting the Linux kernel.

This patch adds a check in sja1000_start if the chip is initialized, if
not we initialize it.

Signed-off-by: Mirza Krak <mirza.krak@hostmobility.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-08-21 10:49:34 +02:00
Michal Simek
83c43c498a microblaze: Wire-up memfd_create syscall
Add new memfd_create syscall.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-08-21 10:19:28 +02:00
Michal Simek
53133453a9 microblaze: Wire-up getrandom syscall
Add new getrandom syscall.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-08-21 10:07:05 +02:00
Michal Simek
b760949144 microblaze: Wire-up seccomp syscall
Add new seccomp syscall.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-08-21 10:07:04 +02:00
Linus Torvalds
372b1dbdd1 Merge branch 'for-linus' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
 "Most important fixes in this set include three SMB3 fixes for stable
  (including fix for possible kernel oops), and a workaround to allow
  writes to Mac servers (only cifs dialect, not more current SMB2.1,
  worked to Mac servers).  Also fallocate support added, and lease fix
  from Jeff"

* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
  [SMB3] Enable fallocate -z support for SMB3 mounts
  enable fallocate punch hole ("fallocate -p") for SMB3
  Incorrect error returned on setting file compressed on SMB2
  CIFS: Fix wrong directory attributes after rename
  CIFS: Fix SMB2 readdir error handling
  [CIFS] Possible null ptr deref in SMB2_tcon
  [CIFS] Workaround MacOS server problem with SMB2.1 write  response
  cifs: handle lease F_UNLCK requests properly
  Cleanup sparse file support by creating worker function for it
  Add sparse file support to SMB2/SMB3 mounts
  Add missing definitions for CIFS File System Attributes
  cifs: remove unused function cifs_oplock_break_wait
2014-08-20 18:33:21 -05:00
Linus Torvalds
92075f9f64 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull filesystem fixes from Jan Kara:
 "udf, isofs, and ext3 bug fixes"

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  ext3: Count internal journal as bsddf overhead in ext3_statfs
  isofs: Fix unbounded recursion when processing relocated directories
  udf: avoid unneeded up_write when fail to add entry in ->symlink
2014-08-20 18:32:16 -05:00
Linus Torvalds
3951ad2e05 Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86
Pull x86 platform driver revert from Matthew Garrett:
 "This clearly shouldn't have been merged.  No excuse on my part"

* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
  Revert "platform/x86/toshiba-apci.c possible bad if test?"
2014-08-20 18:23:06 -05:00
Linus Torvalds
e9de42d8ee Reverting a 3.16 patch, fixing two bugs in device assignment
(one has a CVE), and fixing some problems introduced during the merge window
 (the CMA bug came in via Andrew, the x86 ones via yours truly).
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "Reverting a 3.16 patch, fixing two bugs in device assignment (one has
  a CVE), and fixing some problems introduced during the merge window
  (the CMA bug came in via Andrew, the x86 ones via yours truly)"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  virt/kvm/assigned-dev.c: Set 'dev->irq_source_id' to '-1' after free it
  Revert "KVM: x86: Increase the number of fixed MTRR regs to 10"
  KVM: x86: do not check CS.DPL against RPL during task switch
  KVM: x86: Avoid emulating instructions on #UD mistakenly
  PC, KVM, CMA: Fix regression caused by wrong get_order() use
  kvm: iommu: fix the third parameter of kvm_iommu_put_pages (CVE-2014-3601)
2014-08-20 18:22:10 -05:00
Linus Torvalds
be816bc491 SCSI fixes on 20140819
These are the two bug fixes I mentioned in the final merge window pull.  One
 is a reversed logic check in the device busy tests which can cause a nasty
 hang and another crash seen in the new SCSI pool support if the use count ever
 goes to zero.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "These are the two bug fixes I mentioned in the final merge window
  pull.  One is a reversed logic check in the device busy tests which
  can cause a nasty hang and another crash seen in the new SCSI pool
  support if the use count ever goes to zero"

[ The device busy test already got merged from a patch earlier, so is
  now duplicated.  ]

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] save command pool address of Scsi_Host
  [SCSI] fix qemu boot hang problem
2014-08-20 18:20:50 -05:00
Thomas Wood
3a5f87c286 drm: fix plane rotation when restoring fbdev configuration
Make sure plane rotation is reset correctly when restoring the fbdev
configuration by using drm_mode_plane_set_obj_prop which calls the
driver's set_property callback.

The rotation reset feature was introduced in commit 9783de2 (drm:
Resetting rotation property) and the callback issue was originally
addressed in a previous version of the patch, but the fix was not
present in the final version.

v2: Fix documentation warning
    Add some more details to the commit message (Daniel Vetter)

Testcase: igt/kms_rotation_crc
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82236
Cc: Sonika Jindal <sonika.jindal@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Dave Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thomas Wood <thomas.wood@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-08-20 17:19:27 +02:00
Matthew Garrett
8039aabb6c Revert "platform/x86/toshiba-apci.c possible bad if test?"
This reverts commit bdc3ae7221.

Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-20 08:18:18 -07:00
Damien Lespiau
fd639ac6dc drm/i915/bdw: Disable execlists by default
We still have a few missing bits and pieces to have execlists enabled by
default eg. the error capture or the render state initialization and so
it wouldn't be wise to enable it by default on BDW just yet.

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Thomas Daniel <thomas.daniel@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82740
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-08-20 17:17:52 +02:00