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authorTakashi Iwai <tiwai@suse.de>2009-03-06 16:30:07 +0100
committerTakashi Iwai <tiwai@suse.de>2009-03-09 14:02:00 +0100
commit85122ea40c4fc82af5b66b8683f525c2c4a36d1a (patch)
treeb2aed8862ef28a0e245ae3a73afa064486456ff0 /sound/core/pcm_timer.c
parented3da3d9a0ef13c6fe1414ec73c9c1be12747b62 (diff)
downloadop-kernel-dev-85122ea40c4fc82af5b66b8683f525c2c4a36d1a.zip
op-kernel-dev-85122ea40c4fc82af5b66b8683f525c2c4a36d1a.tar.gz
ALSA: Remove unneeded snd_pcm_substream.timer_lock
The timer callbacks are called in the protected status by the lock of the timer instance, so there is no need for an extra lock in the PCM substream. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/pcm_timer.c')
-rw-r--r--sound/core/pcm_timer.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/sound/core/pcm_timer.c b/sound/core/pcm_timer.c
index 2c89c04..ca8068b 100644
--- a/sound/core/pcm_timer.c
+++ b/sound/core/pcm_timer.c
@@ -85,25 +85,19 @@ static unsigned long snd_pcm_timer_resolution(struct snd_timer * timer)
static int snd_pcm_timer_start(struct snd_timer * timer)
{
- unsigned long flags;
struct snd_pcm_substream *substream;
substream = snd_timer_chip(timer);
- spin_lock_irqsave(&substream->timer_lock, flags);
substream->timer_running = 1;
- spin_unlock_irqrestore(&substream->timer_lock, flags);
return 0;
}
static int snd_pcm_timer_stop(struct snd_timer * timer)
{
- unsigned long flags;
struct snd_pcm_substream *substream;
substream = snd_timer_chip(timer);
- spin_lock_irqsave(&substream->timer_lock, flags);
substream->timer_running = 0;
- spin_unlock_irqrestore(&substream->timer_lock, flags);
return 0;
}
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