/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BLK_PM_H_
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#define _BLK_PM_H_
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struct device;
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struct request_queue;
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/*
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* block layer runtime pm functions
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*/
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#ifdef CONFIG_PM
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extern void blk_pm_runtime_init(struct request_queue *q, struct device *dev);
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extern int blk_pre_runtime_suspend(struct request_queue *q);
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extern void blk_post_runtime_suspend(struct request_queue *q, int err);
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extern void blk_pre_runtime_resume(struct request_queue *q);
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extern void blk_post_runtime_resume(struct request_queue *q);
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extern void blk_set_runtime_active(struct request_queue *q);
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#else
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static inline void blk_pm_runtime_init(struct request_queue *q,
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struct device *dev) {}
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#endif
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#endif /* _BLK_PM_H_ */
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