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 <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>

diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 218460fcd2e4f9294d24b84680f173f838c11332..25a70d06c5bf243efe85ff3ed2dfbd2a7cc590df 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;