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thermal: cpu_cooling: don't iterate over all allowed_cpus to update cpufreq policy

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All CPUs present in 'allowed_cpus' share the same 'struct cpufreq_policy'
structure and so calling cpufreq_update_policy() for each of them doesn't make
sense.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Viresh Kumar 2014-12-04 09:41:56 +05:30 committed by Eduardo Valentin
parent 405fb82562
commit e1fae554fb
1 changed files with 3 additions and 6 deletions
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9
drivers/thermal/cpu_cooling.c
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@ -285,11 +285,10 @@ static unsigned int get_cpu_frequency(unsigned int cpu, unsigned long level)
static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device, static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device,
unsigned long cooling_state) unsigned long cooling_state)
{ {
unsigned int cpuid, clip_freq; unsigned int clip_freq;
struct cpumask *mask = &cpufreq_device->allowed_cpus; struct cpumask *mask = &cpufreq_device->allowed_cpus;
unsigned int cpu = cpumask_any(mask); unsigned int cpu = cpumask_any(mask);
/* Check if the old cooling action is same as new cooling action */ /* Check if the old cooling action is same as new cooling action */
if (cpufreq_device->cpufreq_state == cooling_state) if (cpufreq_device->cpufreq_state == cooling_state)
return 0; return 0;
@ -301,10 +300,8 @@ static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device,
cpufreq_device->cpufreq_state = cooling_state; cpufreq_device->cpufreq_state = cooling_state;
cpufreq_device->cpufreq_val = clip_freq; cpufreq_device->cpufreq_val = clip_freq;
for_each_cpu(cpuid, mask) { if (is_cpufreq_valid(cpu))
if (is_cpufreq_valid(cpuid)) cpufreq_update_policy(cpu);
cpufreq_update_policy(cpuid);
}
return 0; return 0;
} }