On Fri, Jul 22, 2016 at 05:50:18AM +0800, Tom Yan wrote: > As I've mentioned in the comment/message, there is no ATA command > needed to be sent to the device, since it only toggles a bit in > dev->flags. See that there is no ata_taskfile constructed in > ata_mselect_control().
But ata_mselect_caching() contructs a tf? -- tejun
