From: Javi Merino <javi.merino@arm.com>
Date: Tue, 25 Nov 2014 16:00:33 +0000 (+0000)
Subject: thermal: lock the thermal zone when switching governors
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~50^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b6cc772f64ac7d1917770406844b73a94ca5ef06;p=pandora-kernel.git

thermal: lock the thermal zone when switching governors

Currently, userspace can request a governor change while the governor
itself is running.  Grab the thermal zone lock when changing the
governor to prevent this race.

Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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