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[PATCH] convert pm_sem to a mutex

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The power management semaphore is only used as mutex, so convert it.

[akpm@osdl.org: fix rotten bug]
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Stephen Hemminger
2006-12-06 20:34:35 -08:00
committed by Linus Torvalds
parent 3eb1b3a407
commit a6d7098060
4 changed files with 28 additions and 26 deletions
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4
kernel/power/power.h
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@@ -22,7 +22,9 @@ static inline int pm_suspend_disk(void)
return -EPERM;
}
#endif
extern struct semaphore pm_sem;
extern struct mutex pm_mutex;
#define power_attr(_name) \
static struct subsys_attribute _name##_attr = { \
.attr = { \