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authorNaga Chumbalkar <nagananda.chumbalkar@hp.com>2011-04-26 17:05:18 +0000
committerDave Jones <davej@redhat.com>2011-05-04 11:50:56 -0400
commit904cc1e637a00dba1b58e7752f485f90ebf2a568 (patch)
treea6ba3a7fbd884fbefd342617bb32e5189c19816b
parent5dd12af05ca6b7d052c06a9ca4ff755fdfa25ae4 (diff)
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[CPUFREQ] Fix _OSC UUID in pcc-cpufreq
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> Cc: stable@kernel.org
-rw-r--r--arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
index 755a31e..907c8e6 100644
--- 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 doorbell;
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 {