Re: [PATCH v1 1/1] ufs: core: set SDEV_OFFLINE when ufs shutdown.

Bart Van Assche
2024-09-24T18:25:04Z

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.