Commit bf2be2de authored by Viresh Kumar's avatar Viresh Kumar Committed by Rafael J. Wysocki
Browse files

cpufreq: governor: Create cpufreq_policy_apply_limits() 



Create a new helper to avoid code duplication across governors.

Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 666f4ccc

drivers/cpufreq/cpufreq_governor.c

+1 −6
Original line number Diff line number Diff line
@@ -553,12 +553,7 @@ void cpufreq_dbs_governor_limits(struct cpufreq_policy *policy) 
	struct policy_dbs_info *policy_dbs = policy->governor_data;



	mutex_lock(&policy_dbs->timer_mutex);



	if (policy->max < policy->cur)

		__cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H);

	else if (policy->min > policy->cur)

		__cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L);



	cpufreq_policy_apply_limits(policy);

	gov_update_sample_delay(policy_dbs, 0);



	mutex_unlock(&policy_dbs->timer_mutex);

include/linux/cpufreq.h

+8 −0
Original line number Diff line number Diff line
@@ -489,6 +489,14 @@ void cpufreq_unregister_governor(struct cpufreq_governor *governor); 
struct cpufreq_governor *cpufreq_default_governor(void);

struct cpufreq_governor *cpufreq_fallback_governor(void);



static inline void cpufreq_policy_apply_limits(struct cpufreq_policy *policy)

{

	if (policy->max < policy->cur)

		__cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H);

	else if (policy->min > policy->cur)

		__cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L);

}



/* Governor attribute set */

struct gov_attr_set {

	struct kobject kobj;

kernel/sched/cpufreq_schedutil.c

+1 −8
Original line number Diff line number Diff line
@@ -463,14 +463,7 @@ static void sugov_limits(struct cpufreq_policy *policy) 


	if (!policy->fast_switch_enabled) {

		mutex_lock(&sg_policy->work_lock);



		if (policy->max < policy->cur)

			__cpufreq_driver_target(policy, policy->max,

						CPUFREQ_RELATION_H);

		else if (policy->min > policy->cur)

			__cpufreq_driver_target(policy, policy->min,

						CPUFREQ_RELATION_L);



		cpufreq_policy_apply_limits(policy);

		mutex_unlock(&sg_policy->work_lock);

	}