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staging: bcm2835-audio: remove unused semaphores

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This patch removes unused semaphores alsa_stream->buffers_update_sem
and alsa_stream->control_sem from struct bcm2835_alsa_stream

Signed-off-by: Aishwarya Pant <aishpant@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aishwarya Pant 2017-03-07 01:27:41 +05:30 committed by Greg Kroah-Hartman
parent 85fa002f2e
commit d01e631855
2 changed files with 0 additions and 4 deletions
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2
drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
View file

@ -156,8 +156,6 @@ static int snd_bcm2835_playback_open_generic(
alsa_stream->substream = substream;
alsa_stream->idx = idx;
sema_init(&alsa_stream->buffers_update_sem, 0);
sema_init(&alsa_stream->control_sem, 0);
spin_lock_init(&alsa_stream->lock);
err = bcm2835_audio_open(alsa_stream);

2
drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
View file

@ -122,8 +122,6 @@ struct bcm2835_alsa_stream {
struct snd_pcm_substream *substream;
struct snd_pcm_indirect pcm_indirect;
struct semaphore buffers_update_sem;
struct semaphore control_sem;
spinlock_t lock;
volatile unsigned int control;
volatile unsigned int status;