1 /* 2 * shutdown.c 3 */ 4 5 extern void device_shutdown(void); 6 7 8 #ifdef CONFIG_PM 9 10 /* 11 * main.c 12 */ 13 14 /* 15 * Used to synchronize global power management operations. 16 */ 17 extern struct semaphore dpm_sem; 18 19 /* 20 * Used to serialize changes to the dpm_* lists. 21 */ 22 extern struct semaphore dpm_list_sem; 23 24 /* 25 * The PM lists. 26 */ 27 extern struct list_head dpm_active; 28 extern struct list_head dpm_off; 29 extern struct list_head dpm_off_irq; 30 31 32 static inline struct dev_pm_info * to_pm_info(struct list_head * entry) 33 { 34 return container_of(entry, struct dev_pm_info, entry); 35 } 36 37 static inline struct device * to_device(struct list_head * entry) 38 { 39 return container_of(to_pm_info(entry), struct device, power); 40 } 41 42 extern int device_pm_add(struct device *); 43 extern void device_pm_remove(struct device *); 44 45 /* 46 * sysfs.c 47 */ 48 49 extern int dpm_sysfs_add(struct device *); 50 extern void dpm_sysfs_remove(struct device *); 51 52 /* 53 * resume.c 54 */ 55 56 extern void dpm_resume(void); 57 extern void dpm_power_up(void); 58 extern int resume_device(struct device *); 59 60 /* 61 * suspend.c 62 */ 63 extern int suspend_device(struct device *, pm_message_t); 64 65 66 /* 67 * runtime.c 68 */ 69 70 extern int dpm_runtime_suspend(struct device *, pm_message_t); 71 extern void dpm_runtime_resume(struct device *); 72 73 #else /* CONFIG_PM */ 74 75 76 static inline int device_pm_add(struct device * dev) 77 { 78 return 0; 79 } 80 static inline void device_pm_remove(struct device * dev) 81 { 82 83 } 84 85 static inline int dpm_runtime_suspend(struct device * dev, pm_message_t state) 86 { 87 return 0; 88 } 89 90 static inline void dpm_runtime_resume(struct device * dev) 91 { 92 93 } 94 95 #endif 96