On 6/9/21 9:43 PM, Can Guo wrote: > UFS error handling now is doing more than just re-probing, but also sending > scsi cmds, e.g., for clearing UACs, and recovering runtime PM error, which > may change runtime status of scsi devices. To protect system suspend/resume > from being disturbed by error handling, move the host_sem from wl pm ops > to ufshcd_suspend_prepare() and ufshcd_resume_complete(). If lock_system_sleep() and unlock_system_sleep() would be used in the error handler, would that allow to remove host_sem? Thanks, Bart.
