1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 2
3 #ifndef _BLOCK_BLK_PM_H_ 3 #ifndef _BLOCK_BLK_PM_H_
4 #define _BLOCK_BLK_PM_H_ 4 #define _BLOCK_BLK_PM_H_
5 5
6 #include <linux/pm_runtime.h> 6 #include <linux/pm_runtime.h>
7 7
8 #ifdef CONFIG_PM 8 #ifdef CONFIG_PM
9 static inline int blk_pm_resume_queue(const bo !! 9 static inline void blk_pm_request_resume(struct request_queue *q)
10 { 10 {
11 if (!q->dev || !blk_queue_pm_only(q)) !! 11 if (q->dev && (q->rpm_status == RPM_SUSPENDED ||
12 return 1; /* Nothing to !! 12 q->rpm_status == RPM_SUSPENDING))
13 if (pm && q->rpm_status != RPM_SUSPEND !! 13 pm_request_resume(q->dev);
14 return 1; /* Request all <<
15 pm_request_resume(q->dev); <<
16 return 0; <<
17 } 14 }
18 15
19 static inline void blk_pm_mark_last_busy(struc 16 static inline void blk_pm_mark_last_busy(struct request *rq)
20 { 17 {
21 if (rq->q->dev && !(rq->rq_flags & RQF 18 if (rq->q->dev && !(rq->rq_flags & RQF_PM))
22 pm_runtime_mark_last_busy(rq-> 19 pm_runtime_mark_last_busy(rq->q->dev);
23 } 20 }
>> 21
>> 22 static inline void blk_pm_requeue_request(struct request *rq)
>> 23 {
>> 24 lockdep_assert_held(&rq->q->queue_lock);
>> 25
>> 26 if (rq->q->dev && !(rq->rq_flags & RQF_PM))
>> 27 rq->q->nr_pending--;
>> 28 }
>> 29
>> 30 static inline void blk_pm_add_request(struct request_queue *q,
>> 31 struct request *rq)
>> 32 {
>> 33 lockdep_assert_held(&q->queue_lock);
>> 34
>> 35 if (q->dev && !(rq->rq_flags & RQF_PM))
>> 36 q->nr_pending++;
>> 37 }
>> 38
>> 39 static inline void blk_pm_put_request(struct request *rq)
>> 40 {
>> 41 lockdep_assert_held(&rq->q->queue_lock);
>> 42
>> 43 if (rq->q->dev && !(rq->rq_flags & RQF_PM))
>> 44 --rq->q->nr_pending;
>> 45 }
24 #else 46 #else
25 static inline int blk_pm_resume_queue(const bo !! 47 static inline void blk_pm_request_resume(struct request_queue *q)
26 { 48 {
27 return 1; <<
28 } 49 }
29 50
30 static inline void blk_pm_mark_last_busy(struc 51 static inline void blk_pm_mark_last_busy(struct request *rq)
>> 52 {
>> 53 }
>> 54
>> 55 static inline void blk_pm_requeue_request(struct request *rq)
>> 56 {
>> 57 }
>> 58
>> 59 static inline void blk_pm_add_request(struct request_queue *q,
>> 60 struct request *rq)
>> 61 {
>> 62 }
>> 63
>> 64 static inline void blk_pm_put_request(struct request *rq)
31 { 65 {
32 } 66 }
33 #endif 67 #endif
34 68
35 #endif /* _BLOCK_BLK_PM_H_ */ 69 #endif /* _BLOCK_BLK_PM_H_ */
36 70
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