On 9/23/24 7:17 PM, Seunghwan Baek wrote:> That's because SSU (Start Stop Unit) command must be sent during
shutdown process. If SDEV_OFFLINE is set for wlun, SSU command cannot be sent because it is rejected by the scsi layer. Therefore, we consider to set SDEV_QUIESCE for wlun, and set SDEV_OFFLINE for other lus.
Right. Since ufshcd_wl_shutdown() is expected to stop all DMA related to the UFS host, shouldn't there be a scsi_device_quiesce(sdev) call after the __ufshcd_wl_suspend(hba, UFS_SHUTDOWN_PM) call? Thanks, Bart.