From: Thierry Reding <treding@nvidia.com>
Date: Fri, 7 Nov 2014 15:26:18 +0000 (+0000)
Subject: iommu/arm-smmu: Play nice on non-ARM/SMMU systems
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~103^2^5^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e7d37adbe45404a76d05d4ef11544f23cf639dd;p=pandora-kernel.git

iommu/arm-smmu: Play nice on non-ARM/SMMU systems

Currently the driver registers IOMMU bus operations for all busses even
if no ARM SMMU is present on a system. Depending on the driver probing
order this prevents the driver for the real IOMMU to register itself as
the bus-wide IOMMU.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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