From: Andreas Herrmann <andreas.herrmann@calxeda.com>
Date: Tue, 1 Oct 2013 12:39:09 +0000 (+0100)
Subject: iommu/arm-smmu: Clear global and context bank fault status registers
X-Git-Tag: v3.13-rc1~79^2^5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=659db6f6beacae6fe49b5566debc4e82f678ff63;p=pandora-kernel.git

iommu/arm-smmu: Clear global and context bank fault status registers

After reset these registers have unknown values.
This might cause problems when evaluating SMMU_GFSR and/or SMMU_CB_FSR
in handlers for combined interrupts.

Signed-off-by: Andreas Herrmann <andreas.herrmann@calxeda.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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