2018-09-27 05:01:03 +08:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0 */
|
|
|
|
|
|
|
|
|
|
#ifndef _BLOCK_BLK_PM_H_
|
|
|
|
|
#define _BLOCK_BLK_PM_H_
|
|
|
|
|
|
|
|
|
|
#include <linux/pm_runtime.h>
|
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_PM
|
2020-12-09 13:29:51 +08:00
|
|
|
static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
|
2018-09-27 05:01:05 +08:00
|
|
|
{
|
2020-12-09 13:29:51 +08:00
|
|
|
if (!q->dev || !blk_queue_pm_only(q))
|
|
|
|
|
return 1; /* Nothing to do */
|
|
|
|
|
if (pm && q->rpm_status != RPM_SUSPENDED)
|
|
|
|
|
return 1; /* Request allowed */
|
|
|
|
|
pm_request_resume(q->dev);
|
|
|
|
|
return 0;
|
2018-09-27 05:01:05 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline void blk_pm_mark_last_busy(struct request *rq)
|
|
|
|
|
{
|
|
|
|
|
if (rq->q->dev && !(rq->rq_flags & RQF_PM))
|
|
|
|
|
pm_runtime_mark_last_busy(rq->q->dev);
|
|
|
|
|
}
|
2018-09-27 05:01:03 +08:00
|
|
|
#else
|
2020-12-09 13:29:51 +08:00
|
|
|
static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
|
2018-09-27 05:01:05 +08:00
|
|
|
{
|
2020-12-09 13:29:51 +08:00
|
|
|
return 1;
|
2018-09-27 05:01:05 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline void blk_pm_mark_last_busy(struct request *rq)
|
|
|
|
|
{
|
|
|
|
|
}
|
2018-09-27 05:01:03 +08:00
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif /* _BLOCK_BLK_PM_H_ */
|
