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PM: Convert PM notifiers to out-of-line code

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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>
This commit is contained in:
Alan Stern 2007-11-19 23:49:18 +01:00 • committed by Len Brown
commit 8252575693
3 changed files with 32 additions and 21 deletions
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13
include/linux/suspend.h
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@ -213,17 +213,8 @@ void save_processor_state(void);
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 = \