brcm2708: update to latest patches from RPi foundation

[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0381-staging-bcm2835-audio-Kill-unused-spinlock.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0381-staging-bcm2835-audio-Kill-unused-spinlock.patch b/target/linux/brcm2708/patches-4.19/950-0381-staging-bcm2835-audio-Kill-unused-spinlock.patch
new file mode 100644 (file)
index 0000000..f337c61
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0381-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;