#ifdef CONFIG_PM_SLEEP
extern void device_pm_lock(void);
+extern int sysdev_resume(void);
extern void device_power_up(pm_message_t state);
extern void device_resume(pm_message_t state);
extern void device_pm_unlock(void);
+extern int sysdev_suspend(pm_message_t state);
extern int device_power_down(pm_message_t state);
extern int device_suspend(pm_message_t state);
extern int device_prepare_suspend(pm_message_t state);