From d9aef1329c29c20d8e0db9929a3235bfb1d718d3 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 4 Sep 2018 17:58:39 +0200 Subject: [PATCH] staging: bcm2835-audio: Kill unused spinlock commit 5332f6f012c0bf3a45c77dbc0f79814443a884d4 upstream. The alsa_stream->lock is never used. Kill it. Signed-off-by: Takashi Iwai Tested-by: Stefan Wahren Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c | 2 -- drivers/staging/vc04_services/bcm2835-audio/bcm2835.h | 2 -- 2 files changed, 4 deletions(-) --- 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_gen 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); --- 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;