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| author | Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> | 2006-10-03 12:37:42 -0700 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2006-10-15 19:57:11 -0400 |
| commit | a6f6e6e6ab464c9d1dff66570b78be2f66d8ba3d (patch) | |
| tree | a6d56f011279cd84b4bd1bb616d551bb09d32dcc /arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c | |
| parent | 7650b281b091f39f5e97f13b45ab3813b1526b65 (diff) | |
| download | lwn-a6f6e6e6ab464c9d1dff66570b78be2f66d8ba3d.tar.gz lwn-a6f6e6e6ab464c9d1dff66570b78be2f66d8ba3d.zip | |
[CPUFREQ][7/8] acpi-cpufreq: Fix get of current frequency breakage
Recent speedstep-centrino unification onto acpi-cpufreq patchset broke
cpuinfo_cur_freq interface in /sys/../cpuinfo/, when MSR was used for
transitions. Attached patch fixes that breakage.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c')
| -rw-r--r-- | arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c index e6513e994088..8b0c7db85a47 100644 --- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -101,10 +101,13 @@ static unsigned extract_io(u32 value, struct acpi_cpufreq_data *data) static unsigned extract_msr(u32 msr, struct acpi_cpufreq_data *data) { int i; + struct acpi_processor_performance *perf; msr &= INTEL_MSR_RANGE; + perf = data->acpi_data; + for (i = 0; data->freq_table[i].frequency != CPUFREQ_TABLE_END; i++) { - if (msr == data->freq_table[i].index) + if (msr == perf->states[data->freq_table[i].index].status) return data->freq_table[i].frequency; } return data->freq_table[0].frequency; |