[PATCH 10/29] staging: bcm2835-audio: Kill unused spinlock

Takashi Iwai
2018-09-04T16:01:35Z

The alsa_stream->lock is never used. Kill it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c | 2 --
drivers/staging/vc04_services/bcm2835-audio/bcm2835.h | 2 --
2 files changed, 4 deletions(-)

diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
index 00c2abab4bba..fc1b345d206c 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
@@ -128,8 +128,6 @@ static int snd_bcm2835_playback_open_generic(
alsa_stream->substream = substream;
alsa_stream->idx = idx;

- spin_lock_init(&alsa_stream->lock);
-
err = bcm2835_audio_open(alsa_stream);
if (err) {
kfree(alsa_stream);
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
index 2a9f3d6c10dc..20f5ff1649e6 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
@@ -119,8 +119,6 @@ struct bcm2835_alsa_stream {
struct snd_pcm_substream *substream;
struct snd_pcm_indirect pcm_indirect;

- spinlock_t lock;
-
int draining;

int channels;
--
2.18.0