On Fri, Sep 28, 2018 at 04:02:03PM -0700, Evan Green wrote: > For UFS devices that are provisioned to have an initial power mode > (bInitPowerMode) of "sleep", Linux will currently fail to enumerate > the device. This is because the UFS specification says that the > device must get a START_STOP_UNIT SCSI command to wake the unit > up before other common initialization features like the device > descriptor will be available to be read. Yikes, this is just completely broken in terms of scsi compliance. I think we should simply not support such devices.