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authorGabriele Mazzotta <gabriele.mzt@gmail.com>2015-04-25 20:52:37 +0300
committerTejun Heo <tj@kernel.org>2015-04-25 23:50:14 +0300
commit09c5b4803a80a5451d950d6a539d2eb311dc0fb1 (patch)
tree3c705a3de60c8c2fe76ee8dd8d13d6e8676bce10 /mm
parent8393b811f38acdf7fd8da2028708edad3e68ce1f (diff)
downloadlinux-09c5b4803a80a5451d950d6a539d2eb311dc0fb1.tar.xz
libata: Ignore spurious PHY event on LPM policy change
When the LPM policy is set to ATA_LPM_MAX_POWER, the device might generate a spurious PHY event that cuases errors on the link. Ignore this event if it occured within 10s after the policy change. The timeout was chosen observing that on a Dell XPS13 9333 these spurious events can occur up to roughly 6s after the policy change. Link: http://lkml.kernel.org/g/3352987.ugV1Ipy7Z5@xps13 Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
Diffstat (limited to 'mm')
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