xref: /openbmc/linux/drivers/base/power/power.h (revision 7490ca1e)
1 #include <linux/pm_qos.h>
2 
3 #ifdef CONFIG_PM_RUNTIME
4 
5 extern void pm_runtime_init(struct device *dev);
6 extern void pm_runtime_remove(struct device *dev);
7 
8 #else /* !CONFIG_PM_RUNTIME */
9 
10 static inline void pm_runtime_init(struct device *dev) {}
11 static inline void pm_runtime_remove(struct device *dev) {}
12 
13 #endif /* !CONFIG_PM_RUNTIME */
14 
15 #ifdef CONFIG_PM_SLEEP
16 
17 /* kernel/power/main.c */
18 extern int pm_async_enabled;
19 
20 /* drivers/base/power/main.c */
21 extern struct list_head dpm_list;	/* The active device list */
22 
23 static inline struct device *to_device(struct list_head *entry)
24 {
25 	return container_of(entry, struct device, power.entry);
26 }
27 
28 extern void device_pm_init(struct device *dev);
29 extern void device_pm_add(struct device *);
30 extern void device_pm_remove(struct device *);
31 extern void device_pm_move_before(struct device *, struct device *);
32 extern void device_pm_move_after(struct device *, struct device *);
33 extern void device_pm_move_last(struct device *);
34 
35 #else /* !CONFIG_PM_SLEEP */
36 
37 static inline void device_pm_init(struct device *dev)
38 {
39 	spin_lock_init(&dev->power.lock);
40 	dev->power.power_state = PMSG_INVALID;
41 	pm_runtime_init(dev);
42 }
43 
44 static inline void device_pm_add(struct device *dev)
45 {
46 	dev_pm_qos_constraints_init(dev);
47 }
48 
49 static inline void device_pm_remove(struct device *dev)
50 {
51 	dev_pm_qos_constraints_destroy(dev);
52 	pm_runtime_remove(dev);
53 }
54 
55 static inline void device_pm_move_before(struct device *deva,
56 					 struct device *devb) {}
57 static inline void device_pm_move_after(struct device *deva,
58 					struct device *devb) {}
59 static inline void device_pm_move_last(struct device *dev) {}
60 
61 #endif /* !CONFIG_PM_SLEEP */
62 
63 #ifdef CONFIG_PM
64 
65 /*
66  * sysfs.c
67  */
68 
69 extern int dpm_sysfs_add(struct device *dev);
70 extern void dpm_sysfs_remove(struct device *dev);
71 extern void rpm_sysfs_remove(struct device *dev);
72 extern int wakeup_sysfs_add(struct device *dev);
73 extern void wakeup_sysfs_remove(struct device *dev);
74 
75 #else /* CONFIG_PM */
76 
77 static inline int dpm_sysfs_add(struct device *dev) { return 0; }
78 static inline void dpm_sysfs_remove(struct device *dev) {}
79 static inline void rpm_sysfs_remove(struct device *dev) {}
80 static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
81 static inline void wakeup_sysfs_remove(struct device *dev) {}
82 
83 #endif
84