staging: bcm2835-audio: remove unused semaphores

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>

diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
index d60d702..059f54a 100644 (file)
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
@@ -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);

diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
index 2f9d1c9..c53c2bd 100644 (file)
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
@@ -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;