Line data    Source code

       1             : /* SPDX-License-Identifier: GPL-2.0 */
       2             : 
       3             : #ifndef _BLK_PM_H_
       4             : #define _BLK_PM_H_
       5             : 
       6             : struct device;
       7             : struct request_queue;
       8             : 
       9             : /*
      10             :  * block layer runtime pm functions
      11             :  */
      12             : #ifdef CONFIG_PM
      13             : extern void blk_pm_runtime_init(struct request_queue *q, struct device *dev);
      14             : extern int blk_pre_runtime_suspend(struct request_queue *q);
      15             : extern void blk_post_runtime_suspend(struct request_queue *q, int err);
      16             : extern void blk_pre_runtime_resume(struct request_queue *q);
      17             : extern void blk_post_runtime_resume(struct request_queue *q, int err);
      18             : extern void blk_set_runtime_active(struct request_queue *q);
      19             : #else
      20           0 : static inline void blk_pm_runtime_init(struct request_queue *q,
      21           0 :                                        struct device *dev) {}
      22             : #endif
      23             : 
      24             : #endif /* _BLK_PM_H_ */