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| author |   Takashi Iwai <tiwai@suse.de> | 2010-09-16 07:33:21 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-09-16 07:33:21 +0200 |
| commit | c91925db4925ba0d145478f02c093369196936e9 (patch) | |
| tree | 0e5da4211de3c18b65337c3094ec15994cf2534a /include/linux/mutex.h | |
| parent | ALSA: hda - Set up COEFs for ALC269 to avoid click noises at power-saving (diff) | |
| parent | ALSA: patch_nvhdmi.c: Fix supported sample rate list. (diff) | |
| download | linux-dev-c91925db4925ba0d145478f02c093369196936e9.tar.xz linux-dev-c91925db4925ba0d145478f02c093369196936e9.zip | |
Merge branch 'fix/hda' into topic/hda
Diffstat (limited to 'include/linux/mutex.h')
| -rw-r--r-- | include/linux/mutex.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h index 878cab4f5fcc..f363bc8fdc74 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -78,6 +78,14 @@ struct mutex_waiter { # include <linux/mutex-debug.h> #else # define __DEBUG_MUTEX_INITIALIZER(lockname) +/** + * mutex_init - initialize the mutex + * @mutex: the mutex to be initialized + * + * Initialize the mutex to unlocked state. + * + * It is not allowed to initialize an already locked mutex. + */ # define mutex_init(mutex) \ do { \ static struct lock_class_key __key; \ |