From 25724841dfaed05f23a3ddaaaed5c9b61ceea7bd Mon Sep 17 00:00:00 2001
From: Will Deacon <will.deacon@arm.com>
Date: Wed, 21 Aug 2013 13:49:53 +0100
Subject: [PATCH] iommu/arm-smmu: use relaxed accessors where possible

Apart from fault handling and page table manipulation, we don't care
about memory ordering between SMMU control registers and normal,
cacheable memory, so use the _relaxed I/O accessors wherever possible.

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