diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2007-07-19 01:47:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-19 10:04:42 -0700 |
| commit | b10d911749d37dccfa5873d2088aea3f074b9e45 (patch) | |
| tree | 56bd0ccb2861d7ae562d4e48a737727628358b42 /include/linux/notifier.h | |
| parent | c2cf7d87d804c66e063829d5ca739053e901dc15 (diff) | |
| download | linux-b10d911749d37dccfa5873d2088aea3f074b9e45.tar.gz linux-b10d911749d37dccfa5873d2088aea3f074b9e45.tar.bz2 linux-b10d911749d37dccfa5873d2088aea3f074b9e45.zip | |
PM: introduce hibernation and suspend notifiers
Make it possible to register hibernation and suspend notifiers, so that
subsystems can perform hibernation-related or suspend-related operations that
should not be carried out by device drivers' .suspend() and .resume()
routines.
[akpm@linux-foundation.org: build fixes]
[akpm@linux-foundation.org: cleanups]
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Cc: Nigel Cunningham <nigel@nigel.suspend2.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/notifier.h')
| -rw-r--r-- | include/linux/notifier.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/notifier.h b/include/linux/notifier.h index 576f2bb34cc8..be3f2bb6fcf3 100644 --- a/include/linux/notifier.h +++ b/include/linux/notifier.h @@ -212,5 +212,11 @@ extern int __srcu_notifier_call_chain(struct srcu_notifier_head *nh, #define CPU_DEAD_FROZEN (CPU_DEAD | CPU_TASKS_FROZEN) #define CPU_DYING_FROZEN (CPU_DYING | CPU_TASKS_FROZEN) +/* Hibernation and suspend events */ +#define PM_HIBERNATION_PREPARE 0x0001 /* Going to hibernate */ +#define PM_POST_HIBERNATION 0x0002 /* Hibernation finished */ +#define PM_SUSPEND_PREPARE 0x0003 /* Going to suspend the system */ +#define PM_POST_SUSPEND 0x0004 /* Suspend finished */ + #endif /* __KERNEL__ */ #endif /* _LINUX_NOTIFIER_H */ |