Bart, >> In 2010, runtime power management support was implemented in the SCSI >> core. The description of patch "[SCSI] implement runtime Power >> Management" mentions that the sg driver is skipped but not why. This >> patch enables runtime power management even if an instance of the sg >> driver is held open. Enabling runtime PM for the sg driver is safe >> because all interactions of the sg driver with the SCSI device pass >> through the block layer (blk_execute_rq_nowait()) and the block layer >> already supports runtime PM. Applied to 6.13/scsi-staging, thanks! -- Martin K. Petersen Oracle Linux Engineering
