Fix _OSC UUID in pcc-cpufreq
commitd52cffae9cadf97c5551058a150ec39e2f5affe3
authorNaga Chumbalkar <nagananda.chumbalkar@hp.com>
Tue, 26 Apr 2011 17:05:18 +0000 (26 17:05 +0000)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 3 Jun 2011 01:33:33 +0000 (3 10:33 +0900)
tree50a0fd85bc248c88e284ac25e93c16732819fff1
parent3f21d6a86ecd7a6cf28df5b3fba5b6d243dc3d54
Fix _OSC UUID in pcc-cpufreq

commit 904cc1e637a00dba1b58e7752f485f90ebf2a568 upstream.

UUID needs to be written out the way it is described in
Sec 18.5.124 of ACPI 4.0a Specification.

Platform firmware's use of this UUID/_OSC is optional, which is
why we didn't notice this bug earlier.

Signed-off-by: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c