[linux-block.git] / include / linux / pm_legacy.h

#ifndef __LINUX_PM_LEGACY_H__
#define __LINUX_PM_LEGACY_H__


#ifdef CONFIG_PM_LEGACY

extern int pm_active;

#define PM_IS_ACTIVE() (pm_active != 0)

/*
 * Register a device with power management
 */
struct pm_dev __deprecated *
pm_register(pm_dev_t type, unsigned long id, pm_callback callback);

/*
 * Unregister all devices with matching callback
 */
void __deprecated pm_unregister_all(pm_callback callback);

/*
 * Send a request to all devices
 */
int __deprecated pm_send_all(pm_request_t rqst, void *data);

#else /* CONFIG_PM_LEGACY */

#define PM_IS_ACTIVE() 0

static inline struct pm_dev *pm_register(pm_dev_t type,
					 unsigned long id,
					 pm_callback callback)
{
	return NULL;
}

static inline void pm_unregister_all(pm_callback callback) {}

static inline int pm_send_all(pm_request_t rqst, void *data)
{
	return 0;
}

#endif /* CONFIG_PM_LEGACY */

#endif /* __LINUX_PM_LEGACY_H__ */
Commit	Line	Data
bca73e4b JG	1	#ifndef __LINUX_PM_LEGACY_H__
	2	#define __LINUX_PM_LEGACY_H__
	3
bca73e4b JG	4
	5	#ifdef CONFIG_PM_LEGACY
	6
	7	extern int pm_active;
	8
	9	#define PM_IS_ACTIVE() (pm_active != 0)
	10
	11	/*
	12	* Register a device with power management
	13	*/
	14	struct pm_dev __deprecated *
	15	pm_register(pm_dev_t type, unsigned long id, pm_callback callback);
	16
bca73e4b JG	17	/*
	18	* Unregister all devices with matching callback
	19	*/
	20	void __deprecated pm_unregister_all(pm_callback callback);
	21
	22	/*
	23	* Send a request to all devices
	24	*/
	25	int __deprecated pm_send_all(pm_request_t rqst, void *data);
	26
	27	#else /* CONFIG_PM_LEGACY */
	28
	29	#define PM_IS_ACTIVE() 0
	30
	31	static inline struct pm_dev *pm_register(pm_dev_t type,
	32	unsigned long id,
	33	pm_callback callback)
	34	{
	35	return NULL;
	36	}
	37
bca73e4b JG	38	static inline void pm_unregister_all(pm_callback callback) {}
	39
	40	static inline int pm_send_all(pm_request_t rqst, void *data)
	41	{
	42	return 0;
	43	}
	44
	45	#endif /* CONFIG_PM_LEGACY */
	46
	47	#endif /* __LINUX_PM_LEGACY_H__ */
	48