From: Zhang Rui <rui.zhang@intel.com>
Date: Tue, 24 Jul 2012 08:56:21 +0000 (+0800)
Subject: Thermal: Introduce locking for cdev.thermal_instances list.
X-Git-Tag: v3.7-rc1~12^2^3^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4a821ce6ed41970d0155f55067fb07009974fbe;p=pandora-kernel.git

Thermal: Introduce locking for cdev.thermal_instances list.

we need to go over all the thermal_instance list of a cooling device
to decide which cooling state to put the cooling device to.

But at this time, as a cooling device may be referenced in multiple
thermal zones, we need to lock the list first in case
another thermal zone is updating this cooling device.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl>
Reviewed-by: Eduardo Valentin <eduardo.valentin@ti.com>
---

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