diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0383-staging-bcm2835-audio-Kill-unused-spinlock.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0383-staging-bcm2835-audio-Kill-unused-spinlock.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0383-staging-bcm2835-audio-Kill-unused-spinlock.patch b/target/linux/brcm2708/patches-4.19/950-0383-staging-bcm2835-audio-Kill-unused-spinlock.patch new file mode 100644 index 0000000000..f337c61b4b --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0383-staging-bcm2835-audio-Kill-unused-spinlock.patch @@ -0,0 +1,39 @@ +From d9aef1329c29c20d8e0db9929a3235bfb1d718d3 Mon Sep 17 00:00:00 2001 +From: Takashi Iwai <tiwai@suse.de> +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 <tiwai@suse.de> +Tested-by: Stefan Wahren <stefan.wahren@i2se.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + 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; |