1/* SPDX-License-Identifier: GPL-2.0 */
 2
 3#ifndef _BLOCK_BLK_PM_H_
 4#define _BLOCK_BLK_PM_H_
 5
 6#include <linux/pm_runtime.h>
 7
 8#ifdef CONFIG_PM
 9static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
10{
11	if (!q->dev || !blk_queue_pm_only(q))
12		return 1;	/* Nothing to do */
13	if (pm && q->rpm_status != RPM_SUSPENDED)
14		return 1;	/* Request allowed */
15	pm_request_resume(q->dev);
16	return 0;
17}
18
19static inline void blk_pm_mark_last_busy(struct request *rq)
20{
21	if (rq->q->dev && !(rq->rq_flags & RQF_PM))
22		pm_runtime_mark_last_busy(rq->q->dev);
23}
24#else
25static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
26{
27	return 1;
28}
29
30static inline void blk_pm_mark_last_busy(struct request *rq)
31{
32}
33#endif
34
35#endif /* _BLOCK_BLK_PM_H_ */