Messages in this thread Patch in this message | | | Date | Wed, 01 Jun 2011 17:09:35 +0900 | From | Greg KH <> | Subject | [005/165] [CPUFREQ] Fix _OSC UUID in pcc-cpufreq |
| |
2.6.39-stable review patch. If anyone has any objections, please let us know.
------------------ Content-Length: 1193 Lines: 39
From: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
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 | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c @@ -39,7 +39,7 @@ #include <acpi/processor.h> -#define PCC_VERSION "1.00.00" +#define PCC_VERSION "1.10.00" #define POLL_LOOPS 300 #define CMD_COMPLETE 0x1 @@ -102,7 +102,7 @@ static struct acpi_generic_address doorb static u64 doorbell_preserve; static u64 doorbell_write; -static u8 OSC_UUID[16] = {0x63, 0x9B, 0x2C, 0x9F, 0x70, 0x91, 0x49, 0x1f, +static u8 OSC_UUID[16] = {0x9F, 0x2C, 0x9B, 0x63, 0x91, 0x70, 0x1f, 0x49, 0xBB, 0x4F, 0xA5, 0x98, 0x2F, 0xA1, 0xB5, 0x46}; struct pcc_cpu {
| |