[PATCH -next 2/3] cpufreq: conservative: Break out earlier on the lowest frequency

From: Namhyung Kim
Date: Thu Feb 28 2013 - 00:38:46 EST


From: Namhyung Kim <namhyung.kim@xxxxxxx>

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

Cc: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
drivers/cpufreq/cpufreq_conservative.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 4fd0006b1291..dd2fd9094819 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -93,18 +93,18 @@ 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;
--
1.7.11.7

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