From: Tejun Heo <tj@kernel.org>
Date: Mon, 3 Nov 2008 10:27:07 +0000 (+0900)
Subject: libata: mask off DET when restoring SControl for detach
X-Git-Tag: v2.6.28-rc4~87^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=299246f9a2a4c5c531863d72bad7ebd0de213de9;p=pandora-kernel.git

libata: mask off DET when restoring SControl for detach

libata restores SControl on detach; however, trying to restore
non-zero DET can cause undeterministic behavior including PMP device
going offline till power cycling.  Mask off DET when restoring
SControl.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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