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>

diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 218460f..25a70d0 100644 (file)
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/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;