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authorDan Williams <dan.j.williams@intel.com>2015-05-08 15:23:55 -0400
committerTejun Heo <tj@kernel.org>2015-05-10 11:39:16 -0400
commitdbfe8ef5599a5370abc441fcdbb382b656563eb4 (patch)
treeb2cae946e43f9796870f4f7d5f07d023000d7bb1 /drivers/ide
parent11fa7df1e12f19571bdce4580cbc63a8cb3e9e85 (diff)
downloadop-kernel-dev-dbfe8ef5599a5370abc441fcdbb382b656563eb4.zip
op-kernel-dev-dbfe8ef5599a5370abc441fcdbb382b656563eb4.tar.gz
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>
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