Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[cascardo/linux.git] / arch / x86 / kernel / cpu / cpufreq / acpi-cpufreq.c

diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index e2d870d..b0c8208 100644 (file)
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -339,6 +339,7 @@ static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
 {
        struct acpi_cpufreq_data *data = per_cpu(drv_data, cpu);
        unsigned int freq;
+       unsigned int cached_freq;
 
        dprintk("get_cur_freq_on_cpu (%d)\n", cpu);
 
@@ -347,7 +348,16 @@ static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
                return 0;
        }
 
+       cached_freq = data->freq_table[data->acpi_data->state].frequency;
        freq = extract_freq(get_cur_val(&cpumask_of_cpu(cpu)), data);
+       if (freq != cached_freq) {
+               /*
+                * The dreaded BIOS frequency change behind our back.
+                * Force set the frequency on next target call.
+                */
+               data->resume = 1;
+       }
+
        dprintk("cur freq = %u\n", freq);
 
        return freq;
@@ -591,6 +601,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
            policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) {
                policy->cpus = perf->shared_cpu_map;
        }
+       policy->related_cpus = perf->shared_cpu_map;
 
 #ifdef CONFIG_SMP
        dmi_check_system(sw_any_bug_dmi_table);