From: Stratos Karafotis Date: Tue, 5 Mar 2013 22:06:40 +0000 (+0000) Subject: cpufreq: conservative: Fix the logic in frequency decrease checking X-Git-Tag: next-20130402~76^2~1^2~3 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=27ed3cd2ebf4;p=karo-tx-linux.git cpufreq: conservative: Fix the logic in frequency decrease checking When we evaluate the CPU load for frequency decrease we have to compare the load against down_threshold. There is no need to subtract 10 points from down_threshold. Instead, we have to use the default down_threshold or user's selection unmodified. Signed-off-by: Stratos Karafotis Acked-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki --- diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index d746d6abbca8..0d6a9e55ac8c 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -86,12 +86,8 @@ static void cs_check_cpu(int cpu, unsigned int load) return; dbs_info->down_skip = 0; - /* - * The optimal frequency is the frequency that is the lowest that can - * support the current CPU usage without triggering the up policy. To be - * safe, we focus 10 points under the threshold. - */ - if (load < (cs_tuners->down_threshold - 10)) { + /* Check for frequency decrease */ + if (load < cs_tuners->down_threshold) { /* * if we cannot reduce the frequency anymore, break out early */