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authorViresh Kumar <viresh.kumar@linaro.org>2016-05-18 14:25:31 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-06-02 23:24:39 +0200
commitbf2be2de8493dd5f86d6e0f0d4eecb5810ad035b (patch)
tree05d69ad3b73c83f78656d56cbd23e88f6cb33585
parentcpufreq: governor: Remove unnecessary bits from print message (diff)
downloadlinux-bf2be2de8493dd5f86d6e0f0d4eecb5810ad035b.tar.xz
linux-bf2be2de8493dd5f86d6e0f0d4eecb5810ad035b.zip
cpufreq: governor: Create cpufreq_policy_apply_limits()
Create a new helper to avoid code duplication across governors. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--drivers/cpufreq/cpufreq_governor.c7
-rw-r--r--include/linux/cpufreq.h8
-rw-r--r--kernel/sched/cpufreq_schedutil.c9
3 files changed, 10 insertions, 14 deletions
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 18eab7f4ba4c..4b88b5bec4ef 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -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);
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 5bcda3e6aa9e..3be54a0b4373 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -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;
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index fdcee3cf38fc..758efd7f3abe 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -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);
}