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cpufreq: conservative: set requested_freq to policy max when it is over policy max

When requested_freq is over policy->max, set it to policy->max.
This can help to speed up decreasing frequency.

Signed-off-by: Xiaoguang Chen <chenxg@marvell.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Xiaoguang Chen 11 years ago
parent
commit
6d7bcb1464
1 changed files with 3 additions and 0 deletions
  1. 3 0
      drivers/cpufreq/cpufreq_conservative.c

+ 3 - 0
drivers/cpufreq/cpufreq_conservative.c

@@ -68,6 +68,9 @@ static void cs_check_cpu(int cpu, unsigned int load)
 
 		dbs_info->requested_freq += get_freq_target(cs_tuners, policy);
 
+		if (dbs_info->requested_freq > policy->max)
+			dbs_info->requested_freq = policy->max;
+
 		__cpufreq_driver_target(policy, dbs_info->requested_freq,
 			CPUFREQ_RELATION_H);
 		return;