diff options
Diffstat (limited to 'packages/kexecboot/linux-kexecboot-2.6.24/tosa/0038-Don-t-lock-the-codec-list-in-snd_soc_dapm_new_widget.patch')
| -rw-r--r-- | packages/kexecboot/linux-kexecboot-2.6.24/tosa/0038-Don-t-lock-the-codec-list-in-snd_soc_dapm_new_widget.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/packages/kexecboot/linux-kexecboot-2.6.24/tosa/0038-Don-t-lock-the-codec-list-in-snd_soc_dapm_new_widget.patch b/packages/kexecboot/linux-kexecboot-2.6.24/tosa/0038-Don-t-lock-the-codec-list-in-snd_soc_dapm_new_widget.patch new file mode 100644 index 0000000000..7a3eb61a27 --- /dev/null +++ b/packages/kexecboot/linux-kexecboot-2.6.24/tosa/0038-Don-t-lock-the-codec-list-in-snd_soc_dapm_new_widget.patch @@ -0,0 +1,57 @@ +From 5bae1fab16c7b14a458aa90e5654fe3a1d8d960f Mon Sep 17 00:00:00 2001 +From: Mark Brown <broonie@opensource.wolfsonmicro.com> +Date: Sun, 20 Jan 2008 00:06:06 +0300 +Subject: [PATCH 38/64] Don't lock the codec list in snd_soc_dapm_new_widgets() + +On Wed, Jan 16, 2008 at 02:40:55AM +0300, Dmitry wrote: + +> I'm sorry, but I tested this patch only now. And I just got another +> message from lockdep: + +Could you give this patch a try, please? +--- + 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 e6a67b5..7f3ed9f 100644 +--- a/sound/soc/soc-core.c ++++ b/sound/soc/soc-core.c +@@ -1090,7 +1090,6 @@ 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); +@@ -1116,12 +1115,14 @@ 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; + } + } +@@ -1134,8 +1135,10 @@ 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); +-- +1.5.3.8 + |