| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | |
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| 3 | #ifndef _BLK_PM_H_ |
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| 4 | #define _BLK_PM_H_ |
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| 5 | |
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| 6 | struct device; |
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| 7 | struct request_queue; |
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| 8 | |
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| 9 | /* |
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| 10 | * block layer runtime pm functions |
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| 11 | */ |
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| 12 | #ifdef CONFIG_PM |
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| 13 | extern void blk_pm_runtime_init(struct request_queue *q, struct device *dev); |
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| 14 | extern int blk_pre_runtime_suspend(struct request_queue *q); |
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| 15 | extern void blk_post_runtime_suspend(struct request_queue *q, int err); |
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| 16 | extern void blk_pre_runtime_resume(struct request_queue *q); |
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| 17 | extern void blk_post_runtime_resume(struct request_queue *q); |
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| 18 | extern void blk_set_runtime_active(struct request_queue *q); |
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| 19 | #else |
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| 20 | static inline void blk_pm_runtime_init(struct request_queue *q, |
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| 21 | struct device *dev) {} |
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| 22 | #endif |
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| 23 | |
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| 24 | #endif /* _BLK_PM_H_ */ |
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| 25 | |
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