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