diff options
Diffstat (limited to 'drivers/cpufreq/acpi-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/acpi-cpufreq.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 822ca03a87f..b0c18ed8d83 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -213,7 +213,7 @@ 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 cpufreq_frequency_table *pos; struct acpi_processor_performance *perf; if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) @@ -223,10 +223,9 @@ static unsigned extract_msr(u32 msr, struct acpi_cpufreq_data *data) perf = data->acpi_data; - for (i = 0; data->freq_table[i].frequency != CPUFREQ_TABLE_END; i++) { - if (msr == perf->states[data->freq_table[i].driver_data].status) - return data->freq_table[i].frequency; - } + cpufreq_for_each_entry(pos, data->freq_table) + if (msr == perf->states[pos->driver_data].status) + return pos->frequency; return data->freq_table[0].frequency; } @@ -754,7 +753,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) goto err_unreg; } - data->freq_table = kmalloc(sizeof(*data->freq_table) * + data->freq_table = kzalloc(sizeof(*data->freq_table) * (perf->state_count+1), GFP_KERNEL); if (!data->freq_table) { result = -ENOMEM; @@ -906,15 +905,16 @@ static void __init acpi_cpufreq_boost_init(void) acpi_cpufreq_driver.boost_supported = true; acpi_cpufreq_driver.boost_enabled = boost_state(0); - get_online_cpus(); + + cpu_notifier_register_begin(); /* Force all MSRs to the same value */ boost_set_msrs(acpi_cpufreq_driver.boost_enabled, cpu_online_mask); - register_cpu_notifier(&boost_nb); + __register_cpu_notifier(&boost_nb); - put_online_cpus(); + cpu_notifier_register_done(); } } |