diff options
| author | Dave Airlie <airlied@redhat.com> | 2022-02-14 10:52:27 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2022-02-14 10:52:27 +1000 |
| commit | b9c7babe2c2e37a50aa42401b38d597ea78f506e (patch) | |
| tree | dd6ec30f2583f8860e69a74e4779ac20e3f53bff /sound/core/pcm_native.c | |
| parent | 123db17ddff007080d464e785689fb14f94cbc7a (diff) | |
| parent | 754e0b0e35608ed5206d6a67a791563c631cec07 (diff) | |
Backmerge tag 'v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
Daniel asked for this for some intel deps, so let's do it now.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'sound/core/pcm_native.c')
| -rw-r--r-- | sound/core/pcm_native.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 621883e71194..a056b3ef3c84 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -172,6 +172,19 @@ unsigned long _snd_pcm_stream_lock_irqsave(struct snd_pcm_substream *substream) } EXPORT_SYMBOL_GPL(_snd_pcm_stream_lock_irqsave); +unsigned long _snd_pcm_stream_lock_irqsave_nested(struct snd_pcm_substream *substream) +{ + unsigned long flags = 0; + if (substream->pcm->nonatomic) + mutex_lock_nested(&substream->self_group.mutex, + SINGLE_DEPTH_NESTING); + else + spin_lock_irqsave_nested(&substream->self_group.lock, flags, + SINGLE_DEPTH_NESTING); + return flags; +} +EXPORT_SYMBOL_GPL(_snd_pcm_stream_lock_irqsave_nested); + /** * snd_pcm_stream_unlock_irqrestore - Unlock the PCM stream * @substream: PCM substream |