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35 lines
763 B
35 lines
763 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _BLOCK_BLK_PM_H_ |
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#define _BLOCK_BLK_PM_H_ |
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#include <linux/pm_runtime.h> |
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#ifdef CONFIG_PM |
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static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q) |
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{ |
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if (!q->dev || !blk_queue_pm_only(q)) |
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return 1; /* Nothing to do */ |
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if (pm && q->rpm_status != RPM_SUSPENDED) |
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return 1; /* Request allowed */ |
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pm_request_resume(q->dev); |
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return 0; |
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} |
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static inline void blk_pm_mark_last_busy(struct request *rq) |
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{ |
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if (rq->q->dev && !(rq->rq_flags & RQF_PM)) |
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pm_runtime_mark_last_busy(rq->q->dev); |
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} |
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#else |
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static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q) |
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{ |
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return 1; |
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} |
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static inline void blk_pm_mark_last_busy(struct request *rq) |
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{ |
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} |
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#endif |
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#endif /* _BLOCK_BLK_PM_H_ */
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