On Thu, Jul 12, 2018 at 09:36:49AM +0800, Ming Lei wrote: > > As far as I can tell only ufs and libata support runtime PM, so > > we should probably only enable it for those. > > For legacy path, blk_pm_runtime_init() is always run for all SCSI devices, > and this patch just follows the old way, so that we can keep runtime PM > behaviour not changed from user view. That means if we want to only enable > for ufs & libata, it should be in another standalone patch, instead of > this one. Please add this to the series as a separate patch then.