From 668e02004462487df8ec6c65c665ddb8af78dc12 Mon Sep 17 00:00:00 2001
From: Lan Tianyu <tianyu.lan@intel.com>
Date: Tue, 27 Aug 2013 16:29:31 +0800
Subject: [PATCH] ACPI / thermal: Add check of "_TZD" availability and
 evaluating result

Some machines don't provide _TZD, so check the availability of it
before carrying out futher operations.

If _TZD is present, also check the result of its evaluation.

[rjw: Changelog]
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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