PM: Convert PM notifiers to out-of-line code
This patch (as1008b) converts the PM notifier routines from inline
calls to out-of-line code. It also prevents pm_chain_head from
being created when CONFIG_PM_SLEEP isn't enabled, and EXPORTs the
notifier registration and unregistration routines.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 40280df..51283e0 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -213,17 +213,8 @@
void restore_processor_state(void);
/* kernel/power/main.c */
-extern struct blocking_notifier_head pm_chain_head;
-
-static inline int register_pm_notifier(struct notifier_block *nb)
-{
- return blocking_notifier_chain_register(&pm_chain_head, nb);
-}
-
-static inline int unregister_pm_notifier(struct notifier_block *nb)
-{
- return blocking_notifier_chain_unregister(&pm_chain_head, nb);
-}
+extern int register_pm_notifier(struct notifier_block *nb);
+extern int unregister_pm_notifier(struct notifier_block *nb);
#define pm_notifier(fn, pri) { \
static struct notifier_block fn##_nb = \