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02299d9875
linux/sound/soc
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Kuninori Morimoto 02299d9875 ASoC: rsnd: spin lock for interrupt handler 
Renesas R-Car driver interrupt handler was not locked before.
But now, SSI/SRC interrupt handler calls restart function
which should be called under spin lock.
Below error might happen witout this patch.

Unable to handle kernel NULL pointer dereference at virtual address 00000048
pgd = edfac000
[00000048] *pgd=6e0f0831, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1] SMP ARM
CPU: 0 PID: 2009 Comm: aplay Not tainted 4.1.0-rc2-dirty #4
Hardware name: Generic R8A7790 (Flattened Device Tree)
task: eeac9040 ti: eebe8000 task.ti: eebe8000
PC is at rsnd_get_adinr+0x28/0x60
LR is at rsnd_src_ssiu_start+0xdc/0x19c
pc : [<c0409790>]    lr : [<c040c068>]    psr: a0000193
sp : eebe9e58  ip : eebe9e68  fp : eebe9e64
r10: c06ed9d0  r9 : ee919d10  r8 : 00000001
r7 : 00000001  r6 : ee1cb090  r5 : 00000000  r4 : edcaa418
r3 : 00000000  r2 : eea8ce00  r1 : 80000193  r0 : edcaa418
...

Reported-by: Cao Minh Hiep <cm-hiep@jinso.co.jp>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
Tested by: Cao Minh Hiep <cm-hiep@jinso.co.jp>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-05-22 14:15:26 +01:00
..
adi ASoC: adi: Add missing return statement. 2015-01-05 20:16:20 +00:00
atmel Merge remote-tracking branches 'asoc/topic/4554', 'asoc/topic/ab8500', 'asoc/topic/ak4642', 'asoc/topic/arizona' and 'asoc/topic/atmel' into asoc-next 2015-04-12 19:48:51 +01:00
au1x Merge remote-tracking branches 'asoc/topic/cs42l73', 'asoc/topic/dai' and 'asoc/topic/davinci' into asoc-next 2015-02-09 15:10:14 +08:00
bcm ASoC: bcm: drop owner assignment from platform_drivers 2014-10-20 16:22:04 +02:00
blackfin Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
cirrus ASoC: cirrus: tlv320aic23 needs I2C 2015-02-21 18:36:27 +09:00
codecs Char/Misc driver patches for 4.1-rc1 2015-04-21 09:42:58 -07:00
davinci Merge remote-tracking branches 'asoc/topic/cx20442' and 'asoc/topic/davinci' into asoc-next 2015-04-12 19:48:56 +01:00
dwc Merge remote-tracking branches 'asoc/topic/doc', 'asoc/topic/dwc', 'asoc/topic/fsi', 'asoc/topic/fsl' and 'asoc/topic/fsl-asrc' into asoc-next 2015-02-09 15:10:17 +08:00
fsl Merge remote-tracking branches 'asoc/topic/jack', 'asoc/topic/jz4740' and 'asoc/topic/kirkwood' into asoc-next 2015-04-12 19:49:03 +01:00
generic Merge remote-tracking branches 'asoc/topic/rt5641', 'asoc/topic/rt5677' and 'asoc/topic/sh-cleanup' into asoc-next 2015-04-12 19:49:17 +01:00
intel Merge remote-tracking branch 'asoc/topic/intel' into asoc-next 2015-04-12 19:48:33 +01:00
jz4740 ASoC: jz4740: Add jz4780 support 2015-03-09 18:10:17 +00:00
kirkwood Merge remote-tracking branches 'asoc/topic/jack', 'asoc/topic/jz4740' and 'asoc/topic/kirkwood' into asoc-next 2015-04-12 19:49:03 +01:00
mxs Merge remote-tracking branches 'asoc/topic/mxs-saif' and 'asoc/topic/nuc900' into asoc-next 2015-02-09 15:10:23 +08:00
nuc900 ASoC: nuc900: No need to track the dma buffer in the driver state struct 2015-03-16 11:40:52 +00:00
omap Merge remote-tracking branches 'asoc/topic/omap', 'asoc/topic/qcom', 'asoc/topic/rcar' and 'asoc/topic/rt286' into asoc-next 2015-04-12 19:49:11 +01:00
pxa ASoC: z2: Register jacks at the card level 2015-03-04 17:10:43 +00:00
qcom ASoC: qcom: Add ability to build QCOM drivers 2015-03-16 11:24:47 +00:00
rockchip ASoC: Updates for v3.20 2015-02-09 15:09:48 +08:00
samsung Merge branch 'topic/jack' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-intel 2015-03-17 12:16:27 +00:00
sh ASoC: rsnd: spin lock for interrupt handler 2015-05-22 14:15:26 +01:00
sirf ASoC: sirf: drop owner assignment from platform_drivers 2014-10-20 16:22:14 +02:00
spear ASoC: spear: drop owner assignment from platform_drivers 2014-10-20 16:22:14 +02:00
tegra ASoC: tegra_wm9712: Use card DAPM context to access widgets 2015-04-08 21:10:01 +01:00
txx9 ASoC: txx9: Remove unnecessary snd_pcm_lib_preallocate_free_for_all() 2015-01-05 21:30:20 +00:00
ux500 ASoC: mop500_ab8500: Use card DAPM context to access widgets 2015-04-12 12:43:58 +01:00
xtensa ASoC: add xtensa xtfpga I2S interface and platform 2015-01-08 19:52:11 +00:00
Kconfig ASoC: Allow for building QCOM drivers 2015-03-16 11:24:47 +00:00
Makefile ASoC: Allow for building QCOM drivers 2015-03-16 11:24:47 +00:00
soc-ac97.c ASoC: Add support for allocating AC'97 device before registering it 2015-01-26 19:14:20 +00:00
soc-cache.c ASoC: Remove snd_soc_cache_sync() implementation 2014-11-09 09:06:30 +00:00
soc-compress.c ASoC: soc-compress.c: fix NULL dereference 2015-01-15 15:54:04 +00:00
soc-core.c sound updates for 4.1-rc1 2015-04-15 15:41:41 -07:00
soc-dapm.c Merge remote-tracking branches 'asoc/topic/link-param', 'asoc/topic/max98090', 'asoc/topic/max98925' and 'asoc/topic/nuc900' into asoc-next 2015-04-12 19:49:06 +01:00
soc-devres.c ASoC: Fix warning with make xmldocs caused by soc-devres.c 2015-01-28 11:36:03 +00:00
soc-generic-dmaengine-pcm.c Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2015-02-18 08:49:20 -08:00
soc-io.c
soc-jack.c ASoC: Allow to register jacks at the card level 2015-03-04 17:09:51 +00:00
soc-ops.c ASoC: core: Split ops out of soc-core.c 2014-10-29 11:15:10 +00:00
soc-pcm.c ASoC: soc-pcm: DPCM cares BE format 2015-05-22 13:38:40 +01:00
soc-utils.c ASoC: : drop owner assignment from platform_drivers 2014-10-20 16:22:02 +02:00