diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 4472bb1ec83c..a7a69f4d7675 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -198,6 +198,12 @@ struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu) } EXPORT_SYMBOL_GPL(cpufreq_cpu_get_raw); +struct cpufreq_policy *cpufreq_cpu_policy(unsigned int cpu) +{ + return per_cpu(cpufreq_cpu_data, cpu); +} +EXPORT_SYMBOL_GPL(cpufreq_cpu_policy); + unsigned int cpufreq_generic_get(unsigned int cpu) { struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu); @@ -2803,7 +2809,7 @@ static int cpufreq_boost_trigger_state(int state) { struct cpufreq_policy *policy; unsigned long flags; - int ret = 0; + int ret = -EOPNOTSUPP; /* * Don't compare 'cpufreq_driver->boost_enabled' with 'state' here to @@ -2820,16 +2826,15 @@ static int cpufreq_boost_trigger_state(int state) continue; ret = policy_set_boost(policy, state); - if (ret) - goto err_reset_state; + if (unlikely(ret)) + break; } - cpus_read_unlock(); - - return 0; -err_reset_state: cpus_read_unlock(); + if (likely(!ret)) + return 0; + write_lock_irqsave(&cpufreq_driver_lock, flags); cpufreq_driver->boost_enabled = !state; write_unlock_irqrestore(&cpufreq_driver_lock, flags); |