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PM: Export device_pm_schedule_removal

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Move the declaration of device_pm_schedule_removal() to device.h
and make it exported, as it will be used directly by some drivers
for unregistering device objects during suspend/resume cycles in a
safe way.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Rafael J. Wysocki 2008-01-25 01:30:25 +01:00 committed by Greg Kroah-Hartman
parent 18bbe0c26c
commit 9617c3e460
3 changed files with 7 additions and 1 deletions
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1
drivers/base/power/main.c
View file

@ -129,6 +129,7 @@ void device_pm_schedule_removal(struct device *dev)
list_move_tail(&dev->power.entry, &dpm_destroy);
mutex_unlock(&dpm_list_mtx);
}
EXPORT_SYMBOL_GPL(device_pm_schedule_removal);
/**
* pm_sleep_lock - mutual exclusion for registration and suspend

1
drivers/base/power/power.h
View file

@ -13,7 +13,6 @@ static inline struct device *to_device(struct list_head *entry)
extern void device_pm_add(struct device *);
extern void device_pm_remove(struct device *);
extern void device_pm_schedule_removal(struct device *);
extern int pm_sleep_lock(void);
extern void pm_sleep_unlock(void);

6
include/linux/device.h
View file

@ -534,11 +534,17 @@ extern struct device *device_create(struct class *cls, struct device *parent,
extern void device_destroy(struct class *cls, dev_t devt);
#ifdef CONFIG_PM_SLEEP
extern void destroy_suspended_device(struct class *cls, dev_t devt);
extern void device_pm_schedule_removal(struct device *);
#else /* !CONFIG_PM_SLEEP */
static inline void destroy_suspended_device(struct class *cls, dev_t devt)
{
device_destroy(cls, devt);
}
static inline void device_pm_schedule_removal(struct device *dev)
{
device_unregister(dev);
}
#endif /* !CONFIG_PM_SLEEP */
/*