tree b2cae946e43f9796870f4f7d5f07d023000d7bb1
parent 11fa7df1e12f19571bdce4580cbc63a8cb3e9e85
author Dan Williams <dan.j.williams@intel.com> 1431113035 -0400
committer Tejun Heo <tj@kernel.org> 1431272356 -0400

ahci: avoton port-disable reset-quirk

Avoton AHCI occasionally sees drive probe timeouts at driver load time.
When this happens SCR_STATUS indicates device detected, but no D2H FIS
reception.  Reset the internal link state machines by bouncing
port-enable in the PCS register when this occurs.

Cc: <stable@vger.kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>