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Disabling the CRTC by setting its framebuffer to NULL, as used by
drm_framebuffer_cleanup(), was failing to pass the current framebuffer
to the crtc_func->disable callback. This is because of the dance within
drm_crtc_helper_set_config to pass the new_fb (NULL in this case) to the
drm_crtc_helper_set_mode with the currently attached fb as a parameter.
drm_crtc_helper_set_mode treats this as a no-op and the encoder is still
enabled. And so the current fb is forgotten before the call to
drm_helper_disable_unused_functions.
This patch treats disabling the CRTC as a simple special case rather
than adding further complexity into the configuration logic.
This fixes a pin-leak of the fb bo on Xserver close.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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I am under the impression that it only makes sense to call the ATIF
method if the graphics device has an ACPI handle attached. So we could
skip the call altogether if there is no such handle.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Use the proper macro to issue the debugging message in
radeon_atif_call(). Otherwise we spam the log of many systems with a
message which looks like an error message of unknown origin, and could
thus confuse the user. Commit dc77de12dde95c8da39e4c417eb70c7d445cf84b
was a first step in this direction, but was not sufficient IMHO.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Avoid infinite loops waiting for surface updates if a GPU
reset happens while waiting for a page flip.
See:
https://bugs.freedesktop.org/show_bug.cgi?id=43191
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Reviewed-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Tested-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
* 'drm-nouveau-fixes' of git://git.freedesktop.org/git/nouveau/linux-2.6:
drm/nv50/disp: silence compiler warning
drm/nouveau: fix oopses caused by clear being called on unpopulated ttms
drm/nouveau: Keep RAMIN heap within the channel.
drm/nvd0/disp: fix sor dpms typo, preventing dpms on in some situations
drm/nvc0/gr: fix TP init for transform feedback offset queries
drm/nouveau: add dumb ioctl support
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB: Fix RCU lockdep splats
IB/ipoib: Prevent hung task or softlockup processing multicast response
IB/qib: Fix over-scheduling of QSFP work
RDMA/cxgb4: Fix retry with MPAv1 logic for MPAv2
RDMA/cxgb4: Fix iw_cxgb4 count_rcqes() logic
IB/qib: Don't use schedule_work()
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* 'dt-for-linus' of git://sources.calxeda.com/kernel/linux:
of: Add Silicon Image vendor prefix
of/irq: of_irq_init: add check for parent equal to child node
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: twl: fix twl4030 support for smps regulators
regulator: fix use after free bug
regulator: aat2870: Fix the logic of checking if no id is matched in aat2870_get_regulator
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits)
ARM: ux500: update defconfig
ARM: u300: update defconfig
ARM: at91: enable additional boards in existing soc defconfig files
ARM: at91: refresh soc defconfig files for 3.2
ARM: at91: rename defconfig files appropriately
ARM: OMAP2+: Fix Compilation error when omap_l3_noc built as module
ARM: OMAP2+: Remove empty io.h
ARM: OMAP2: select ARM_AMBA if OMAP3_EMU is defined
ARM: OMAP: smartreflex: fix IRQ handling bug
ARM: OMAP: PM: only register TWL with voltage layer when device is present
ARM: OMAP: hwmod: Fix the addr space, irq, dma count APIs
arm: mx28: fix bit operation in clock setting
ARM: imx: export imx_ioremap
ARM: imx/mm-imx3: conditionally compile i.MX31 and i.MX35 code
ARM: mx5: Fix checkpatch warnings in cpu-imx5.c
MAINTAINERS: Add missing directory
ARM: imx: drop 'ARCH_MX31' and 'ARCH_MX35'
ARM: imx6q: move clock register map to machine_desc.map_io
ARM: pxa168/gplugd: add the correct SSP device
ARM: Update mach-types to fix mxs build breakage
...
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NFI why this only started appearing now. The use of the uninitialised var
can't actually happen, so perhaps my compiler just got stupider.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The entire RAMIN is allocated to be 'size', but the heap is
specified as 'base' + 'size' inside RAMIN, so it will overflow
past RAMIN by 'base' bytes on NV50+ and clobber other allocatons
unless it's size is adjusted.
Signed-off-by: Younes Manton <younes.m@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Without this, they return bytes written since the last update of
the offset, but we want the full offset.
Trace shows setting this on GPC[0]/TP[0] is enough.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: Update comments describing device power management callbacks
PM / Sleep: Update documentation related to system wakeup
PM / Runtime: Make documentation follow the new behavior of irq_safe
PM / Sleep: Correct inaccurate information in devices.txt
PM / Domains: Document how PM domains are used by the PM core
PM / Hibernate: Do not leak memory in error/test code paths
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Commit f2c31e32b37 ("net: fix NULL dereferences in check_peer_redir()")
forgot to take care of infiniband uses of dst neighbours.
Many thanks to Marc Aurele who provided a nice bug report and feedback.
Reported-by: Marc Aurele La France <tsi@ualberta.ca>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>
Cc: <stable@kernel.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This following can occur with ipoib when processing a multicast reponse:
BUG: soft lockup - CPU#0 stuck for 67s! [ib_mad1:982]
Modules linked in: ...
CPU 0:
Modules linked in: ...
Pid: 982, comm: ib_mad1 Not tainted 2.6.32-131.0.15.el6.x86_64 #1 ProLiant DL160 G5
RIP: 0010:[<ffffffff814ddb27>] [<ffffffff814ddb27>] _spin_unlock_irqrestore+0x17/0x20
RSP: 0018:ffff8802119ed860 EFLAGS: 00000246
0000000000000004 RBX: ffff8802119ed860 RCX: 000000000000a299
RDX: ffff88021086c700 RSI: 0000000000000246 RDI: 0000000000000246
RBP: ffffffff8100bc8e R08: ffff880210ac229c R09: 0000000000000000
R10: ffff88021278aab8 R11: 0000000000000000 R12: ffff8802119ed860
R13: ffffffff8100be6e R14: 0000000000000001 R15: 0000000000000003
FS: 0000000000000000(0000) GS:ffff880028200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00000000006d4840 CR3: 0000000209aa5000 CR4: 00000000000406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
[<ffffffffa032c247>] ? ipoib_mcast_send+0x157/0x480 [ib_ipoib]
[<ffffffff8100bc8e>] ? apic_timer_interrupt+0xe/0x20
[<ffffffff8100bc8e>] ? apic_timer_interrupt+0xe/0x20
[<ffffffffa03283d4>] ? ipoib_path_lookup+0x124/0x2d0 [ib_ipoib]
[<ffffffffa03286fc>] ? ipoib_start_xmit+0x17c/0x430 [ib_ipoib]
[<ffffffff8141e758>] ? dev_hard_start_xmit+0x2c8/0x3f0
[<ffffffff81439d0a>] ? sch_direct_xmit+0x15a/0x1c0
[<ffffffff81423098>] ? dev_queue_xmit+0x388/0x4d0
[<ffffffffa032d6b7>] ? ipoib_mcast_join_finish+0x2c7/0x510 [ib_ipoib]
[<ffffffffa032dab8>] ? ipoib_mcast_sendonly_join_complete+0x1b8/0x1f0 [ib_ipoib]
[<ffffffffa02a0946>] ? mcast_work_handler+0x1a6/0x710 [ib_sa]
[<ffffffffa015f01e>] ? ib_send_mad+0xfe/0x3c0 [ib_mad]
[<ffffffffa00f6c93>] ? ib_get_cached_lmc+0xa3/0xb0 [ib_core]
[<ffffffffa02a0f9b>] ? join_handler+0xeb/0x200 [ib_sa]
[<ffffffffa029e4fc>] ? ib_sa_mcmember_rec_callback+0x5c/0xa0 [ib_sa]
[<ffffffffa029e79c>] ? recv_handler+0x3c/0x70 [ib_sa]
[<ffffffffa01603a4>] ? ib_mad_completion_handler+0x844/0x9d0 [ib_mad]
[<ffffffffa015fb60>] ? ib_mad_completion_handler+0x0/0x9d0 [ib_mad]
[<ffffffff81088830>] ? worker_thread+0x170/0x2a0
[<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40
[<ffffffff810886c0>] ? worker_thread+0x0/0x2a0
[<ffffffff8108ddf6>] ? kthread+0x96/0xa0
[<ffffffff8100c1ca>] ? child_rip+0xa/0x20
Coinciding with stack trace is the following message:
ib0: ib_address_create failed
The code below in ipoib_mcast_join_finish() will note the above
failure in the address handle but otherwise continue:
ah = ipoib_create_ah(dev, priv->pd, &av);
if (!ah) {
ipoib_warn(priv, "ib_address_create failed\n");
} else {
The while loop at the bottom of ipoib_mcast_join_finish() will attempt
to send queued multicast packets in mcast->pkt_queue and eventually
end up in ipoib_mcast_send():
if (!mcast->ah) {
if (skb_queue_len(&mcast->pkt_queue) < IPOIB_MAX_MCAST_QUEUE)
skb_queue_tail(&mcast->pkt_queue, skb);
else {
++dev->stats.tx_dropped;
dev_kfree_skb_any(skb);
}
My read is that the code will requeue the packet and return to the
ipoib_mcast_join_finish() while loop and the stage is set for the
"hung" task diagnostic as the while loop never sees a non-NULL ah, and
will do nothing to resolve.
There are GFP_ATOMIC allocates in the provider routines, so this is
possible and should be dealt with.
The test that induced the failure is associated with a host SM on the
same server during a shutdown.
This patch causes ipoib_mcast_join_finish() to exit with an error
which will flush the queued mcast packets. Nothing is done to unwind
the QP attached state so that subsequent sends from above will retry
the join.
Reviewed-by: Ram Vepa <ram.vepa@qlogic.com>
Reviewed-by: Gary Leshner <gary.leshner@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
* 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
slub: avoid potential NULL dereference or corruption
slub: use irqsafe_cpu_cmpxchg for put_cpu_partial
slub: move discard_slab out of node lock
slub: use correct parameter to add a page to partial list tail
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* 'dev' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix racy use-after-free in ext4_end_io_dio()
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git://git.linaro.org/people/triad/linux-stericsson into fixes
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"sil" is the most commonly used abbreviation for Silicon
Image products.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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With the revert of "of/irq: of_irq_find_parent: check for parent equal to
child" (dc9372808412edb), we need another way to handle parent node equal
to the child node. This can simply be handled in of_irq_init by checking
for this condition.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Tested-by: Pawel Moll <pawel.moll@arm.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
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This updates the Ux500 defconfig with the new drivers for HWSEM
and AB5500 core that were merged in the 3.2 cycle.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This updates the U300 defconfig to support some new drivers like
FSMC, sets it to use the MMC clock gating scheme, and removes
some stale config options.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: convert drivers/hwmon/* to use module_platform_driver()
hwmon: Remove redundant spi driver bus initialization
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
efivars: add missing parameter to efi_pstore_read()
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In the case where CONFIG_PSTORE=n, the function efi_pstore_read() doesn't
have the correct list of parameters. This patch provides a definition
of efi_pstore_read() with 'char **buf' added to fix this warning:
"drivers/firmware/efivars.c:609: warning: initialization from".
problem introduced in commit f6f8285132907757ef84ef8dae0a1244b8cde6ac
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
* 'for-3.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup_freezer: fix freezing groups with stopped tasks
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-3.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
percpu: explain why per_cpu_ptr_to_phys() is more complicated than necessary
percpu: fix chunk range calculation
percpu: rename pcpu_mem_alloc to pcpu_mem_zalloc
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The comments describing device power management callbacks in
include/pm.h are outdated and somewhat confusing, so make them
reflect the reality more accurately.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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The system wakeup section of Documentation/power/devices.txt is
outdated, so make it agree with the current code.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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The runtime PM core code behavior related to the power.irq_safe
device flag has changed recently and the documentation should be
modified to reflect it.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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The documentation file Documentation/power/devices.txt contains some
information that isn't correct any more due to code modifications
made after that file had been created (or updated last time). Fix
this.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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The current power management documentation in Documentation/power/
either doesn't cover PM domains at all, or gives inaccurate
information about them, so update the relevant files in there to
follow the code.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Don't over-schedule QSFP work on driver initialization. It could end
up being run simultaneously on two different CPUs resulting in bad
EEPROM reads. In combination with setting the physical IB link state
prior to the IBC being brought out of reset, this can cause the link
state machine to start training early with wrong settings.
Signed-off-by: Mitko Haralanov <mitko@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Fix logic so that we don't retry with MPAv1 once we have done that
already. Otherwise, we end up retrying with MPAv1 even when its not
needed on getting peer aborts - and this could lead to kernel panic.
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Fix another place in the code where logic dealing with the t4_cqe was
using the wrong QID. This fixes the counting logic so that it tests
against the SQ QID instead of the RQ QID when counting RCQES.
Signed-off by: Jonathan Lallinger <jonathan@ogc.us>
Signed-off by: Steve Wise <swise@ogc.us>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
pstore: pass allocated memory region back to caller
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SMPS regulator voltage control differs from the one of the LDO ones.
Current TWL code was using LDO regulator ops for controlling the SMPS
regulators, which fails. This was fixed fixed by adding separate
regulator type which uses correct logic and calculations for the
voltage levels.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
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* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/exynos: fixed wrong err ptr usage and destroy call in exeception
drm/exynos: Add disable of manager
drm/exynos: include linux/module.h
drm/exynos: fix vblank bug.
drm/exynos: changed buffer structure.
drm/exynos: removed unnecessary variable.
drm/exynos: use gem create function generically
drm/exynos: checked for null pointer
drm/exynos: added crtc dpms for disable crtc
drm/exynos: removed meaningless parameter from fbdev update
drm/exynos: restored kernel_fb_list when reiniting fb_helper
drm/exynos: changed exynos_drm_display to exynos_drm_display_ops
drm/exynos: added manager object to connector
drm/exynos: fixed converting between display mode and timing
drm/exynos: fixed connector flag with hpd and interlace scan for hdmi
drm/exynos: added kms poll for handling hpd event
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* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: Ensure we return EAGAIN in xs_nospace if congestion is cleared
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (28 commits)
ALSA: hda - Fix jack-detection control of VT1708
ALSA: hda - cut and paste typo in cs420x_models[]
ALSA: hda/realtek - Minor cleanup
ALSA: hda/realtek - Fix missing inits of item indices for auto-mic
ALSA: hda - Fix invalid pin and GPIO for Apple laptops with CS codecs
ALSA: hda - Check subdevice mask in snd_hda_check_board_codec_sid_config()
ALSA: hda - fail ELD reading early
ALSA: lx6464es - fix device communication via command bus
ALSA: lx6464es - command buffer API cleanup
ALSA: hda - repoll ELD content for multiple times
ALSA: hdspm - Fix PCI ID for PCIe RME MADI cards
ASoC: Ensure WM8731 register cache is synced when resuming from disabled
ALSA: cs5535 - Fix an endianness conversion
ASoC: cs4271: Fix wrong mask parameter in some snd_soc_update_bits calls
ASoC: wm_hubs: fix DB_RANGE size
ASoC: wm9090: fix DB_RANGE size
ASoC: wm8993: fix DB_RANGE size
ASoC: wm8962: fix DB_RANGE size
ASoC: sgtl5000: fix DB_RANGE size
ASoC: rt5631: fix DB_RANGE size
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
hrtimer: Fix extra wakeups from __remove_hrtimer()
timekeeping: add arch_offset hook to ktime_get functions
clocksource: Avoid selecting mult values that might overflow when adjusted
time: Improve documentation of timekeeeping_adjust()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Don't allow per cpu interrupts to be suspended
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Commit fa27271bc8d2("genirq: Fixup poll handling") introduced a
regression that broke irqfixup/irqpoll for some hardware configurations.
Amidst reorganizing 'try_one_irq', that patch removed a test that
checked for 'action->handler' returning IRQ_HANDLED, before acting on
the interrupt. Restoring this test back returns the functionality lost
since 2.6.39. In the current set of tests, after 'action' is set, it
must precede '!action->next' to take effect.
With this and my previous patch to irq/spurious.c, c75d720fca8a, all
IRQ regressions that I have encountered are fixed.
Signed-off-by: Edward Donovan <edward.donovan@numble.net>
Reported-and-tested-by: Rogério Brito <rbrito@ime.usp.br>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org (2.6.39+)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is caused by dereferencing 'rdev' after device_unregister() in
the regulator_unregister() function. 'rdev' is freed by
device_unregister(), so it must not be dereferenced after this call.
[Edited commit message for legibility -- broonie]
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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git://git.infradead.org/users/kmpark/linux-samsung into drm-fixes
* 'exynos-drm' of git://git.infradead.org/users/kmpark/linux-samsung:
drm/exynos: fixed wrong err ptr usage and destroy call in exeception
drm/exynos: Add disable of manager
drm/exynos: include linux/module.h
drm/exynos: fix vblank bug.
drm/exynos: changed buffer structure.
drm/exynos: removed unnecessary variable.
drm/exynos: use gem create function generically
drm/exynos: checked for null pointer
drm/exynos: added crtc dpms for disable crtc
drm/exynos: removed meaningless parameter from fbdev update
drm/exynos: restored kernel_fb_list when reiniting fb_helper
drm/exynos: changed exynos_drm_display to exynos_drm_display_ops
drm/exynos: added manager object to connector
drm/exynos: fixed converting between display mode and timing
drm/exynos: fixed connector flag with hpd and interlace scan for hdmi
drm/exynos: added kms poll for handling hpd event
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