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(parent: 84b1667) | patch
ACPI / TPM: detect PPI features by checking availability of _DSM functions
authorJiang Liu <jiang.liu@linux.intel.com>
Thu, 19 Dec 2013 12:38:18 +0000 (20:38 +0800)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Sun, 5 Jan 2014 15:07:15 +0000 (16:07 +0100)
commit1569a4c4cebaf358eff12633830baeaf6507fed0
tree7ee80bb3bdd0ae2c276d762f55953b0a579c1712tree | snapshot (tar.gz zip)
parent84b1667dea233d2af29b5138bfd2d70417cfa720commit | diff
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>
drivers/char/tpm/tpm_ppi.c diff | blob | blame | history