scsi: hisi_sas: Add BIST support for phy loopback
Add BIST (built in self test) support for phy loopback.
Through the new debugfs interface, the user can configure loopback
mode/linkrate/phy id/code mode before enabling it. And also user can
enable/disable BIST function.
Link: https://lore.kernel.org/r/1567774537-20003-13-git-send-email-john.garry@huawei.com
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
projects / linux-2.6-microblaze.git / commit