brcm2708: rename target to bcm27xx

[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0387-staging-bcm2835-audio-Drop-superfluous-mutex-lock-du.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0387-staging-bcm2835-audio-Drop-superfluous-mutex-lock-du.patch b/target/linux/brcm2708/patches-4.19/950-0387-staging-bcm2835-audio-Drop-superfluous-mutex-lock-du.patch
deleted file mode 100644 (file)
index a700811..0000000
--- a/target/linux/brcm2708/patches-4.19/950-0387-staging-bcm2835-audio-Drop-superfluous-mutex-lock-du.patch
+++ /dev/null
@@ -1,49 +0,0 @@
-From 3c7663a9b1763f64250db4b975a3ce246ef32e0f Mon Sep 17 00:00:00 2001
-From: Takashi Iwai <tiwai@suse.de>
-Date: Tue, 4 Sep 2018 17:58:45 +0200
-Subject: [PATCH] staging: bcm2835-audio: Drop superfluous mutex lock
- during prepare
-
-commit f0eb15d055380ff127e5f12c8fad2b36bdb3c006 upstream.
-
-The chip->audio_mutex is used basically for protecting the opened
-stream assignment, and the prepare callback is irrelevant with 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 | 8 ++------
- 1 file changed, 2 insertions(+), 6 deletions(-)
-
---- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
-+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
-@@ -218,8 +218,6 @@ static int snd_bcm2835_pcm_prepare(struc
-       int channels;
-       int err;
- 
--      mutex_lock(&chip->audio_mutex);
--
-       /* notify the vchiq that it should enter spdif passthrough mode by
-        * setting channels=0 (see
-        * https://github.com/raspberrypi/linux/issues/528)
-@@ -233,7 +231,7 @@ static int snd_bcm2835_pcm_prepare(struc
-                                      runtime->rate,
-                                      snd_pcm_format_width(runtime->format));
-       if (err < 0)
--              goto out;
-+              return err;
- 
-       memset(&alsa_stream->pcm_indirect, 0, sizeof(alsa_stream->pcm_indirect));
- 
-@@ -246,9 +244,7 @@ static int snd_bcm2835_pcm_prepare(struc
-       alsa_stream->pos = 0;
-       alsa_stream->draining = false;
- 
-- out:
--      mutex_unlock(&chip->audio_mutex);
--      return err;
-+      return 0;
- }
- 
- static void snd_bcm2835_pcm_transfer(struct snd_pcm_substream *substream,