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cpufreq: conservative: Break out earlier on the lowest frequency

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If we're on the lowest frequency, no need to calculate new freq.
Break out even earlier in this case.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Namhyung Kim 2013-02-28 05:38:01 +00:00 committed by Rafael J. Wysocki
parent 031299b3be
commit ad529a9cd2
1 changed files with 6 additions and 6 deletions
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12
drivers/cpufreq/cpufreq_conservative.c
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@ -87,18 +87,18 @@ static void cs_check_cpu(int cpu, unsigned int load)
* safe, we focus 10 points under the threshold.
*/
if (load < (cs_tuners->down_threshold - 10)) {
freq_target = (cs_tuners->freq_step * policy->max) / 100;
dbs_info->requested_freq -= freq_target;
if (dbs_info->requested_freq < policy->min)
dbs_info->requested_freq = policy->min;
/*
* if we cannot reduce the frequency anymore, break out early
*/
if (policy->cur == policy->min)
return;
freq_target = (cs_tuners->freq_step * policy->max) / 100;
dbs_info->requested_freq -= freq_target;
if (dbs_info->requested_freq < policy->min)
dbs_info->requested_freq = policy->min;
__cpufreq_driver_target(policy, dbs_info->requested_freq,
CPUFREQ_RELATION_H);
return;