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authorStephen Hemminger <shemminger@osdl.org>2006-12-06 20:34:35 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 08:39:28 -0800
commita6d70980602e6f1869ebcdcbfaf55a0a5941583e (patch)
treeb7e9b5f457eb7fe91fbbdbe978a50493da862cf2 /kernel/power/power.h
parent3eb1b3a40722cbb46631db373af66d13d1e7ac81 (diff)
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[PATCH] convert pm_sem to a mutex
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>
Diffstat (limited to 'kernel/power/power.h')
-rw-r--r--kernel/power/power.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/power/power.h b/kernel/power/power.h
index 3afa5dbe6bc5..eb461b816bf4 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -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 = { \