OrgACRN
/
acrn-kernel
mirror of https://github.com/projectacrn/acrn-kernel.git
1
0
Fork 0
Code Issues Releases Wiki Activity

ASoC: meson: axg-card: Fix nonatomic links 

This commit e138233e56 causes the
following system crash when using audio on G12A/G12B & SM1 systems:

 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:282
  in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 0, name: swapper/0
 preempt_count: 10001, expected: 0
 RCU nest depth: 0, expected: 0
 Preemption disabled at:
 schedule_preempt_disabled+0x20/0x2c

 mutex_lock+0x24/0x60
 _snd_pcm_stream_lock_irqsave+0x20/0x3c
 snd_pcm_period_elapsed+0x24/0xa4
 axg_fifo_pcm_irq_block+0x64/0xdc
 __handle_irq_event_percpu+0x104/0x264
 handle_irq_event+0x48/0xb4
 ...
 start_kernel+0x3f0/0x484
 __primary_switched+0xc0/0xc8

Revert this commit until the crash is fixed.

Fixes: e138233e56 ("ASoC: meson: axg-card: make links nonatomic")
Reported-by: Dmitry Shmidt <dimitrysh@google.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20220421155725.2589089-2-narmstrong@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Neil Armstrong 2022-04-21 17:57:25 +02:00 committed by Mark Brown
parent c26830b6c5
commit 0c9b152c72
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 0 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
sound/soc/meson/axg-card.c
View File

@ -320,7 +320,6 @@ static int axg_card_add_link(struct snd_soc_card *card, struct device_node *np,
dai_link->cpus = cpu; dai_link->cpus = cpu;
dai_link->num_cpus = 1; dai_link->num_cpus = 1;
dai_link->nonatomic = true;
ret = meson_card_parse_dai(card, np, &dai_link->cpus->of_node, ret = meson_card_parse_dai(card, np, &dai_link->cpus->of_node,
&dai_link->cpus->dai_name); &dai_link->cpus->dai_name);