From 9c5c92e35cf5c4f7ee523d62a6bf9d5dc290350b Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Wed, 25 Jun 2014 12:12:41 +0100
Subject: [PATCH] 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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