Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef __LINUX_PM_LEGACY_H__
2#define __LINUX_PM_LEGACY_H__
3
4#include <linux/config.h>
5
6#ifdef CONFIG_PM_LEGACY
7
8extern int pm_active;
9
10#define PM_IS_ACTIVE() (pm_active != 0)
11
12/*
13 * Register a device with power management
14 */
15struct pm_dev __deprecated *
16pm_register(pm_dev_t type, unsigned long id, pm_callback callback);
17
18/*
19 * Unregister a device with power management
20 */
21void __deprecated pm_unregister(struct pm_dev *dev);
22
23/*
24 * Unregister all devices with matching callback
25 */
26void __deprecated pm_unregister_all(pm_callback callback);
27
28/*
29 * Send a request to all devices
30 */
31int __deprecated pm_send_all(pm_request_t rqst, void *data);
32
33#else /* CONFIG_PM_LEGACY */
34
35#define PM_IS_ACTIVE() 0
36
37static inline struct pm_dev *pm_register(pm_dev_t type,
38 unsigned long id,
39 pm_callback callback)
40{
41 return NULL;
42}
43
44static inline void pm_unregister(struct pm_dev *dev) {}
45
46static inline void pm_unregister_all(pm_callback callback) {}
47
48static inline int pm_send_all(pm_request_t rqst, void *data)
49{
50 return 0;
51}
52
53#endif /* CONFIG_PM_LEGACY */
54
55#endif /* __LINUX_PM_LEGACY_H__ */
56