From: Will Deacon <will.deacon@arm.com>
Date: Wed, 25 Jun 2014 11:12:41 +0000 (+0100)
Subject: iommu/arm-smmu: prefer stage-1 mappings where we have a choice
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~158^2^5^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c5c92e35cf5c4f7ee523d62a6bf9d5dc290350b;p=pandora-kernel.git

iommu/arm-smmu: prefer stage-1 mappings where we have a choice

For an SMMU that supports both Stage-1 and Stage-2 mappings (but not
nested translation), then we should prefer stage-1 mappings as we
otherwise rely on the memory attributes of the incoming transactions
for IOMMU_CACHE mappings.

Signed-off-by: Will Deacon <will.deacon@arm.com>
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