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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-07-04 13:21:43 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-07-04 13:21:43 +0200
commit5d1191ab6cd82b1347eb1b023a3b1eb36ae74ec9 (patch)
tree89a3effc70464c52829afed58bcb4b961df048c5 /kernel
parent742c87bf27d3b715820da6f8a81d6357adbf18f8 (diff)
parent4a7cb7a96aa32e34777b263fbf372543fb85ddea (diff)
downloadop-kernel-dev-5d1191ab6cd82b1347eb1b023a3b1eb36ae74ec9.zip
op-kernel-dev-5d1191ab6cd82b1347eb1b023a3b1eb36ae74ec9.tar.gz
Merge back earlier cpufreq material for v4.8.
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched/cpufreq_schedutil.c43
1 files changed, 9 insertions, 34 deletions
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 14c4aa2..758efd7 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -394,7 +394,7 @@ static int sugov_init(struct cpufreq_policy *policy)
return ret;
}
-static int sugov_exit(struct cpufreq_policy *policy)
+static void sugov_exit(struct cpufreq_policy *policy)
{
struct sugov_policy *sg_policy = policy->governor_data;
struct sugov_tunables *tunables = sg_policy->tunables;
@@ -412,7 +412,6 @@ static int sugov_exit(struct cpufreq_policy *policy)
mutex_unlock(&global_tunables_lock);
sugov_policy_free(sg_policy);
- return 0;
}
static int sugov_start(struct cpufreq_policy *policy)
@@ -444,7 +443,7 @@ static int sugov_start(struct cpufreq_policy *policy)
return 0;
}
-static int sugov_stop(struct cpufreq_policy *policy)
+static void sugov_stop(struct cpufreq_policy *policy)
{
struct sugov_policy *sg_policy = policy->governor_data;
unsigned int cpu;
@@ -456,53 +455,29 @@ static int sugov_stop(struct cpufreq_policy *policy)
irq_work_sync(&sg_policy->irq_work);
cancel_work_sync(&sg_policy->work);
- return 0;
}
-static int sugov_limits(struct cpufreq_policy *policy)
+static void sugov_limits(struct cpufreq_policy *policy)
{
struct sugov_policy *sg_policy = policy->governor_data;
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);
}
sg_policy->need_freq_update = true;
- return 0;
-}
-
-int sugov_governor(struct cpufreq_policy *policy, unsigned int event)
-{
- if (event == CPUFREQ_GOV_POLICY_INIT) {
- return sugov_init(policy);
- } else if (policy->governor_data) {
- switch (event) {
- case CPUFREQ_GOV_POLICY_EXIT:
- return sugov_exit(policy);
- case CPUFREQ_GOV_START:
- return sugov_start(policy);
- case CPUFREQ_GOV_STOP:
- return sugov_stop(policy);
- case CPUFREQ_GOV_LIMITS:
- return sugov_limits(policy);
- }
- }
- return -EINVAL;
}
static struct cpufreq_governor schedutil_gov = {
.name = "schedutil",
- .governor = sugov_governor,
.owner = THIS_MODULE,
+ .init = sugov_init,
+ .exit = sugov_exit,
+ .start = sugov_start,
+ .stop = sugov_stop,
+ .limits = sugov_limits,
};
static int __init sugov_module_init(void)
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