From: Venkatesh Pallipadi Date: Tue, 3 Oct 2006 19:37:42 +0000 (-0700) Subject: [CPUFREQ][7/8] acpi-cpufreq: Fix get of current frequency breakage X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a6f6e6e6ab464c9d1dff66570b78be2f66d8ba3d;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [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 Signed-off-by: Dave Jones --- 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;