projects / thirdparty / kernel / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| bca6b067 BVA |
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 | |
| 9 | static inline void blk_pm_requeue_request(struct request *rq) | |
| 10 | { | |
| 11 | if (rq->q->dev && !(rq->rq_flags & RQF_PM)) | |
| 12 | rq->q->nr_pending--; | |
| 13 | } | |
| 14 | ||
| 15 | static inline void blk_pm_add_request(struct request_queue *q, | |
| 16 | struct request *rq) | |
| 17 | { | |
| 18 | if (q->dev && !(rq->rq_flags & RQF_PM) && q->nr_pending++ == 0 && | |
| 19 | (q->rpm_status == RPM_SUSPENDED || q->rpm_status == RPM_SUSPENDING)) | |
| 20 | pm_request_resume(q->dev); | |
| 21 | } | |
| 22 | ||
| 23 | static inline void blk_pm_put_request(struct request *rq) | |
| 24 | { | |
| 25 | if (rq->q->dev && !(rq->rq_flags & RQF_PM) && !--rq->q->nr_pending) | |
| 26 | pm_runtime_mark_last_busy(rq->q->dev); | |
| 27 | } | |
| 28 | #else | |
| 29 | static inline void blk_pm_requeue_request(struct request *rq) | |
| 30 | { | |
| 31 | } | |
| 32 | ||
| 33 | static inline void blk_pm_add_request(struct request_queue *q, | |
| 34 | struct request *rq) | |
| 35 | { | |
| 36 | } | |
| 37 | ||
| 38 | static inline void blk_pm_put_request(struct request *rq) | |
| 39 | { | |
| 40 | } | |
| 41 | #endif | |
| 42 | ||
| 43 | #endif /* _BLOCK_BLK_PM_H_ */ |