From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 8 May 2014 14:58:04 +0000 (-0400)
Subject: drm/radeon: add a i2c bus mutex
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~44^2~37^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=831719d62f692e28699a7acd7b441c6f0c01b6f7;p=pandora-kernel.git

drm/radeon: add a i2c bus mutex

The i2c and aux buses use the same pads so add
a mutex to protect access to the pads.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
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