From: Will Deacon <will.deacon@arm.com>
Date: Wed, 27 May 2015 16:09:35 +0000 (+0100)
Subject: iommu/arm-smmu: Make force_stage module param read-only in sysfs
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~171^2^3~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e3ce0c940e02e4d9d09c1c1377f80d9e90a893a0;p=pandora-kernel.git

iommu/arm-smmu: Make force_stage module param read-only in sysfs

Changing force_stage dynamically isn't supported by the driver and it
also doesn't make a whole lot of sense to change it once the SMMU is up
and running.

This patch makes the sysfs entry for the parameter read-only.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---

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