From: Jiang Liu <jiang.liu@linux.intel.com>
Date: Thu, 19 Dec 2013 12:38:18 +0000 (+0800)
Subject: ACPI / TPM: detect PPI features by checking availability of _DSM functions
X-Git-Tag: v3.14-rc1~107^2~9^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1569a4c4cebaf358eff12633830baeaf6507fed0;p=pandora-kernel.git

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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