From 1569a4c4cebaf358eff12633830baeaf6507fed0 Mon Sep 17 00:00:00 2001
From: Jiang Liu <jiang.liu@linux.intel.com>
Date: Thu, 19 Dec 2013 20:38:18 +0800
Subject: [PATCH] ACPI / TPM: detect PPI features by checking availability of
 _DSM functions

Detecting physical presence interface features by checking availbility
of corresponding ACPI _DSM functions, it should be more accurate than
checking TPM version number.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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