xref: /linux/drivers/base/power/power.h (revision aeb3f46252e26acdc60a1a8e31fb1ca6319d9a07)
1 /*
2  * shutdown.c
3  */
4 
5 extern void device_shutdown(void);
6 
7 
8 #ifdef CONFIG_PM_SLEEP
9 
10 /*
11  * main.c
12  */
13 
14 /*
15  * Used to synchronize global power management operations.
16  */
17 extern struct mutex dpm_mtx;
18 
19 /*
20  * Used to serialize changes to the dpm_* lists.
21  */
22 extern struct mutex dpm_list_mtx;
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 #else /* CONFIG_PM_SLEEP */
66 
67 
68 static inline int device_pm_add(struct device * dev)
69 {
70 	return 0;
71 }
72 static inline void device_pm_remove(struct device * dev)
73 {
74 
75 }
76 
77 #endif
78