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Merge branch 'topic/pcm-lock-refactor' into for-next

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Pull PCM lock refactoring.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2019-01-24 14:46:17 +01:00
parent 3a55437141 ef2056b8f3
commit 205d6bcf9b
4 changed files with 170 additions and 126 deletions
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4
sound/core/pcm.c
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@@ -733,9 +733,7 @@ int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count)
}
}
substream->group = &substream->self_group;
spin_lock_init(&substream->self_group.lock);
mutex_init(&substream->self_group.mutex);
INIT_LIST_HEAD(&substream->self_group.substreams);
snd_pcm_group_init(&substream->self_group);
list_add_tail(&substream->link_list, &substream->self_group.substreams);
atomic_set(&substream->mmap_count, 0);
prev = substream;