From: Joerg Roedel <jroedel@suse.de>
Date: Fri, 12 Jun 2015 12:40:01 +0000 (+0200)
Subject: iommu/vt-d: Enable Translation only if it was previously disabled
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~142^2^4~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8939ddf6d65264cf9f014ffd7c9bff02ad9626e6;p=pandora-kernel.git

iommu/vt-d: Enable Translation only if it was previously disabled

Do not touch the TE bit unless we know translation is
disabled.

Tested-by: ZhenHua Li <zhen-hual@hp.com>
Tested-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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