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

[Takashi Iwai]

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

Signed-off-by: Takashi Iwai <ti...@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