Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=08c8efe6925ba712d65ca07877fa169b45f8d502
Commit: 08c8efe6925ba712d65ca07877fa169b45f8d502
Parent: c518b35ea2ef2b7b3dbe6b1cc5299daf0c9de3f7
Author: Mark Brown <[EMAIL PROTECTED]>
AuthorDate: Mon Jan 21 14:33:37 2008 +0100
Committer: Jaroslav Kysela <[EMAIL PROTECTED]>
CommitDate: Thu Jan 31 17:30:09 2008 +0100
[ALSA] Fix lockdep warning in ASoC machine probe
Don't take the codec mutex during machine probe until we have registered
with ALSA, fixing a lockdep warning reported by Dmitry Baryshkov.
Cc: Dmitry Baryshkov <[EMAIL PROTECTED]>
Signed-off-by: Mark Brown <[EMAIL PROTECTED]>
Signed-off-by: Takashi Iwai <[EMAIL PROTECTED]>
Signed-off-by: Jaroslav Kysela <[EMAIL PROTECTED]>
---
sound/soc/soc-core.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 5f86e03..9eb5479 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1101,7 +1101,6 @@ int snd_soc_register_card(struct snd_soc_device *socdev)
struct snd_soc_machine *machine = socdev->machine;
int ret = 0, i, ac97 = 0, err = 0;
- mutex_lock(&codec->mutex);
for(i = 0; i < machine->num_links; i++) {
if (socdev->machine->dai_link[i].init) {
err = socdev->machine->dai_link[i].init(codec);
@@ -1127,12 +1126,14 @@ int snd_soc_register_card(struct snd_soc_device *socdev)
goto out;
}
+ mutex_lock(&codec->mutex);
#ifdef CONFIG_SND_SOC_AC97_BUS
if (ac97) {
ret = soc_ac97_dev_register(codec);
if (ret < 0) {
printk(KERN_ERR "asoc: AC97 device register failed\n");
snd_card_free(codec->card);
+ mutex_unlock(&codec->mutex);
goto out;
}
}
@@ -1145,8 +1146,10 @@ int snd_soc_register_card(struct snd_soc_device *socdev)
err = device_create_file(socdev->dev, &dev_attr_codec_reg);
if (err < 0)
printk(KERN_WARNING "asoc: failed to add codec sysfs
entries\n");
-out:
+
mutex_unlock(&codec->mutex);
+
+out:
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_register_card);
-
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