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Commit ad529a9c authored by Namhyung Kim's avatar Namhyung Kim Committed by Rafael J. Wysocki
Browse files

cpufreq: conservative: Break out earlier on the lowest frequency 



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

Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 031299b3

drivers/cpufreq/cpufreq_conservative.c

+6 −6
Original line number Diff line number Diff line
@@ -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;