Merge tag 'v3.10.64' into update
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / cpuidle / cpuidle.h
CommitLineData
4f86d3a8
LB
1/*
2 * cpuidle.h - The internal header file
3 */
4
5#ifndef __DRIVER_CPUIDLE_H
6#define __DRIVER_CPUIDLE_H
7
4f86d3a8
LB
8/* For internal use only */
9extern struct cpuidle_governor *cpuidle_curr_governor;
4f86d3a8
LB
10extern struct list_head cpuidle_governors;
11extern struct list_head cpuidle_detected_devices;
12extern struct mutex cpuidle_lock;
13extern spinlock_t cpuidle_driver_lock;
62027aea 14extern int cpuidle_disabled(void);
56cfbf74
CC
15extern int cpuidle_enter_state(struct cpuidle_device *dev,
16 struct cpuidle_driver *drv, int next_state);
4f86d3a8
LB
17
18/* idle loop */
19extern void cpuidle_install_idle_handler(void);
20extern void cpuidle_uninstall_idle_handler(void);
21
22/* governors */
23extern int cpuidle_switch_governor(struct cpuidle_governor *gov);
24
25/* sysfs */
8f3e9953
DL
26
27struct device;
28
8a25a2fd
KS
29extern int cpuidle_add_interface(struct device *dev);
30extern void cpuidle_remove_interface(struct device *dev);
bf4d1b5d
DL
31extern int cpuidle_add_device_sysfs(struct cpuidle_device *device);
32extern void cpuidle_remove_device_sysfs(struct cpuidle_device *device);
1aef40e2
DL
33extern int cpuidle_add_sysfs(struct cpuidle_device *dev);
34extern void cpuidle_remove_sysfs(struct cpuidle_device *dev);
4f86d3a8 35
4126c019
CC
36#ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED
37bool cpuidle_state_is_coupled(struct cpuidle_device *dev,
38 struct cpuidle_driver *drv, int state);
39int cpuidle_enter_state_coupled(struct cpuidle_device *dev,
40 struct cpuidle_driver *drv, int next_state);
41int cpuidle_coupled_register_device(struct cpuidle_device *dev);
42void cpuidle_coupled_unregister_device(struct cpuidle_device *dev);
43#else
44static inline bool cpuidle_state_is_coupled(struct cpuidle_device *dev,
45 struct cpuidle_driver *drv, int state)
46{
47 return false;
48}
49
50static inline int cpuidle_enter_state_coupled(struct cpuidle_device *dev,
51 struct cpuidle_driver *drv, int next_state)
52{
53 return -1;
54}
55
56static inline int cpuidle_coupled_register_device(struct cpuidle_device *dev)
57{
58 return 0;
59}
60
61static inline void cpuidle_coupled_unregister_device(struct cpuidle_device *dev)
62{
63}
64#endif
65
4f86d3a8 66#endif /* __DRIVER_CPUIDLE_H */