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There are CPUs which have errata causing RDMSR of a nonexistent MSR to
not fault. We would then try to WRMSR to restore the value of that
MSR, causing a crash. Specifically, some Pentium M variants would
have this problem trying to save and restore the non-existent EFER,
causing a crash on resume.
Work around this by making sure we can write back the result at
suspend time.
Huge thanks to Christian Sünkenberg for finding the offending erratum
that finally deciphered the mystery.
Reported-and-tested-by: Johan Heinrich <onny@project-insanity.org>
Debugged-by: Christian Sünkenberg <christian.suenkenberg@student.kit.edu>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Link: http://lkml.kernel.org/r/51DDC972.3010005@student.kit.edu
Cc: <stable@vger.kernel.org> # v3.7+
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The registers of max98088 are 8 bits, not 16 bits. This bug causes the
contents of registers to be overwritten with bad values when the codec
is suspended and then resumed.
Signed-off-by: Chih-Chung Chang <chihchung@chromium.org>
Signed-off-by: Dylan Reid <dgreid@chromium.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
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We should use CONFIG_STACK_TRACER to guard readme text
of stack tracer related file, not CONFIG_STACKTRACE.
Link: http://lkml.kernel.org/r/51E3B3A2.8080609@huawei.com
Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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During large unlink operations on files with extents, we can use a lot
of CPU time. This adds a cond_resched() call when starting to examine
the next level of a multi-level extent tree. Multi-level extent trees
are rare in the first place, and this should rarely be executed.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_stop() must be called in the PCM substream lock context.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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My static checker marks everything from ntohl() as untrusted and it
complains we could have an underflow problem doing:
return (u32 *)&ary->wc_array[nchunks];
Also on 32 bit systems the upper bound check could overflow.
Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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On imx51_babbage the codec clock is activated via GPIO4_26.
Provide a real clock to the sgtl5000 codec via device tree.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Fix the error pathway if rpcauth_create() fails.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Fix a warning from lockdep caused by calling flush_work() for
uninitialized hotplug work. Initialize hotplug_work, audio_work
and reset_work upon successful radeon_irq_kms_init() completion
and thus perform hotplug flush_work only when rdev->irq.installed
is true.
[ 4.790019] [drm] Loading CEDAR Microcode
[ 4.790943] r600_cp: Failed to load firmware "radeon/CEDAR_smc.bin"
[ 4.791152] [drm:evergreen_startup] *ERROR* Failed to load firmware!
[ 4.791330] radeon 0000:01:00.0: disabling GPU acceleration
[ 4.792633] INFO: trying to register non-static key.
[ 4.792792] the code is fine but needs lockdep annotation.
[ 4.792953] turning off the locking correctness validator.
[ 4.793114] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 3.11.0-rc0-dbg-10676-gfe56456-dirty #1816
[ 4.793314] Hardware name: Acer Aspire 5741G /Aspire 5741G , BIOS V1.20 02/08/2011
[ 4.793507] ffffffff821fd810 ffff8801530b9a18 ffffffff8160434e 0000000000000002
[ 4.794155] ffff8801530b9ad8 ffffffff810b8404 ffff8801530b0798 ffff8801530b0000
[ 4.794789] ffff8801530b9b00 0000000000000046 00000000000004c0 ffffffff00000000
[ 4.795418] Call Trace:
[ 4.795573] [<ffffffff8160434e>] dump_stack+0x4e/0x82
[ 4.795731] [<ffffffff810b8404>] __lock_acquire+0x1a64/0x1d30
[ 4.795893] [<ffffffff814a87f0>] ? dev_vprintk_emit+0x50/0x60
[ 4.796034] [<ffffffff810b8fb4>] lock_acquire+0xa4/0x200
[ 4.796216] [<ffffffff8106cd75>] ? flush_work+0x5/0x280
[ 4.796375] [<ffffffff8106cdad>] flush_work+0x3d/0x280
[ 4.796520] [<ffffffff8106cd75>] ? flush_work+0x5/0x280
[ 4.796682] [<ffffffff810b659d>] ? trace_hardirqs_on_caller+0xfd/0x1c0
[ 4.796862] [<ffffffff8131d775>] ? delay_tsc+0x95/0xf0
[ 4.797024] [<ffffffff8141bb8b>] radeon_irq_kms_fini+0x2b/0x70
[ 4.797186] [<ffffffff814557c9>] evergreen_init+0x2a9/0x2e0
[ 4.797347] [<ffffffff813ebb1f>] radeon_device_init+0x5ef/0x700
[ 4.797511] [<ffffffff81335bc7>] ? pci_find_capability+0x47/0x50
[ 4.797672] [<ffffffff813edaed>] radeon_driver_load_kms+0x8d/0x150
[ 4.797843] [<ffffffff813ce426>] drm_get_pci_dev+0x166/0x280
[ 4.798007] [<ffffffff8116cff5>] ? kfree+0xf5/0x2e0
[ 4.798168] [<ffffffff813ea298>] ? radeon_pci_probe+0x98/0xd0
[ 4.798329] [<ffffffff813ea2aa>] radeon_pci_probe+0xaa/0xd0
[ 4.798489] [<ffffffff81339404>] pci_device_probe+0x84/0xe0
[ 4.798644] [<ffffffff814ac7d6>] driver_probe_device+0x76/0x240
[ 4.798805] [<ffffffff814aca73>] __driver_attach+0x93/0xa0
[ 4.798948] [<ffffffff814ac9e0>] ? __device_attach+0x40/0x40
[ 4.799126] [<ffffffff814aa82b>] bus_for_each_dev+0x6b/0xb0
[ 4.799272] [<ffffffff814ac2be>] driver_attach+0x1e/0x20
[ 4.799434] [<ffffffff814abec0>] bus_add_driver+0x1f0/0x280
[ 4.799596] [<ffffffff814ad0e4>] driver_register+0x74/0x150
[ 4.799758] [<ffffffff8133923d>] __pci_register_driver+0x5d/0x60
[ 4.799936] [<ffffffff81d16efc>] ? ttm_init+0x67/0x67
[ 4.800081] [<ffffffff813ce655>] drm_pci_init+0x115/0x130
[ 4.800243] [<ffffffff81d16efc>] ? ttm_init+0x67/0x67
[ 4.800405] [<ffffffff81d16f98>] radeon_init+0x9c/0xba
[ 4.800586] [<ffffffff810002ca>] do_one_initcall+0xfa/0x150
[ 4.800746] [<ffffffff81073f60>] ? parse_args+0x120/0x330
[ 4.800909] [<ffffffff81cdafae>] kernel_init_freeable+0x111/0x191
[ 4.801052] [<ffffffff81cda87a>] ? do_early_param+0x88/0x88
[ 4.801233] [<ffffffff815fb670>] ? rest_init+0x140/0x140
[ 4.801393] [<ffffffff815fb67e>] kernel_init+0xe/0x180
[ 4.801556] [<ffffffff8160dcac>] ret_from_fork+0x7c/0xb0
[ 4.801718] [<ffffffff815fb670>] ? rest_init+0x140/0x140
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Need to properly enable/disable boost states when forcing a performance
level.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Covers requirements of all current asics.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v3.11
The biggest change here is the OMAP change, these are larger than I'd
have liked but make the driver actually usable - during the merge window
OMAP removed support for non-DT OMAP4 boards but in doing so removed the
method of accessing DMA channels used by the ASoC drivers rendering them
unusuable.
Otherwise nothing exciting, the symmetric rates change for WM8978 is a
fix for the information we expose to userspace.
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clk_prepare_enable() may fail, so let's check its return value and propagate it
in the case of error.
While at it, fix the order of clk_disable_unprepare calls: clk_ipg should be
disabled first, followed by clk_per.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Using devm functions can make the code smaller and cleaner.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The divider values stored in the per chip data are only used to set the
registers in the hardware to generate the desired SPI clock. Since these
are calculated per transfer based on the t->speed_hz there is no reason
keep them in the per chip data.
Move the ep93xx_spi_calc_divisors() call into ep93xx_spi_chip_setup()
and return the dividers thru pointers. Remove the divider values from
the per chip data structure.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The divisors needed to generate the SPI clock are calculated per
transfer based on the t->speed_hz. There is no reason to calculate
them in ep93xx_spi_setup().
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Use devm_clk_get() so that the clk_put() happens automatically when
the last reference to this driver is dropped.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Mark Brown <broonie@linaro.org>
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This value is only needed to set the bits per word for each transfer
of a message. There is no reason to set the value in ep93xx_spi_enable()
because ep93xx_spi_process_transfer() sets it again for each transfer.
Just pass the t->bits_per_word directly to ep93xx_spi_chip_setup() in
ep93xx_spi_process_transfer() and remove 'dss' from the per chip private
data.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The kzalloc() failure will have already output a message.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Get the platform resources early in the (*probe) to minimize the number
of goto's in the error path.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Check t->bits_per_word directly and remove the inline helper function.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The memory resource used by this driver is ioremap()'d and the normal
read,write calls can be used instead of the __raw_* variants.
Also, remove the inline tag on the helper functions and let the compiler
decide if they are inlined.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Mark Brown <broonie@linaro.org>
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__spi_async(), which starts every SPI message transfer, initializes
the bits_per_word and max speed for every transfer in the message.
Since the conditional test in ep93xx_spi_process_transfer() will
always succeed just remove it and always call ep93xx_spi_chip_setup()
to configure the hardware for each transfer in the message.
Remove the redundant ep93xx_spi_chp_setup() in ep93xx_spi_process_transfer()
which just initializes the hardware to the "default" based on the SPI
device.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The whole point of devm is that it'll do these automatically.
Signed-off-by: Mark Brown <broonie@linaro.org>
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Check that transfers are non-empty and that there is a completion for
them.
Signed-off-by: Mark Brown <broonie@linaro.org>
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Allow drivers to avoid implementing their own checks for simple rates by
specifying the limits in the master structure.
Signed-off-by: Mark Brown <broonie@linaro.org>
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The filter function used by the rspi driver is part of the DMAE controller
driver so if the DMA controller driver is somehow disabled then the rspi
driver will fail to build.
Signed-off-by: Mark Brown <broonie@linaro.org>
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New spi controller(version 3) is integrated into Blackfin
60x processor. Comparing to bf5xx spi controller, we support
32 bits word size and independent receive and transmit DMA
channels now. Also mode 0 and 2 (CPHA = 0) can get fully
supported becasue cs line may be controlled by the software.
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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In order to make it easier to convert to transfer_one_message() lift the
code that does the actual message transfer out of the work function that
implements the message pump. This should have no functional impact, it's
just a simple code motion patch.
Signed-off-by: Mark Brown <broonie@linaro.org>
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Currently no drivers use the ability to override spi_bitbang_transfer()
and if any started this would make it harder to convert the bitbang code
to use transfer_one_message() so remove the export in order to prevent
anyone starting.
Signed-off-by: Mark Brown <broonie@linaro.org>
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While the conversion of BKL to mutex in commit 645ef9ef, the mutex
definition was put in a wrong place inside #ifdef WSND_DEBUG, which
leads to the build error. Just move it outside the ifdef.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Correction of the omap_usb3_dpll_params array when the sys_clk_rate is
20MHz.
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Ruchika Kharwar <ruchika@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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