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cpufreq: schedutil: enable fast switch earlier 

The fast_switch_enabled flag will be used by both sugov_policy_alloc()
and sugov_policy_free() with a later patch.

Prepare for that by moving the calls to enable and disable it to the
beginning of sugov_init() and end of sugov_exit().

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
hifive-unleashed-5.1
Viresh Kumar 2016-11-15 13:53:21 +05:30 committed by Rafael J. Wysocki
parent 8e2ddb0364
commit 4a71ce4348
1 changed files with 11 additions and 6 deletions
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17
kernel/sched/cpufreq_schedutil.c
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@ -416,9 +416,13 @@ static int sugov_init(struct cpufreq_policy *policy)
if (policy->governor_data)
return -EBUSY;
cpufreq_enable_fast_switch(policy);
sg_policy = sugov_policy_alloc(policy);
if (!sg_policy)
return -ENOMEM;
if (!sg_policy) {
ret = -ENOMEM;
goto disable_fast_switch;
}
mutex_lock(&global_tunables_lock);
@ -456,8 +460,6 @@ static int sugov_init(struct cpufreq_policy *policy)
out:
mutex_unlock(&global_tunables_lock);
cpufreq_enable_fast_switch(policy);
return 0;
fail:
@ -468,6 +470,10 @@ free_sg_policy:
mutex_unlock(&global_tunables_lock);
sugov_policy_free(sg_policy);
disable_fast_switch:
cpufreq_disable_fast_switch(policy);
pr_err("initialization failed (error %d)\n", ret);
return ret;
}
@ -478,8 +484,6 @@ static void sugov_exit(struct cpufreq_policy *policy)
struct sugov_tunables *tunables = sg_policy->tunables;
unsigned int count;
cpufreq_disable_fast_switch(policy);
mutex_lock(&global_tunables_lock);
count = gov_attr_set_put(&tunables->attr_set, &sg_policy->tunables_hook);
@ -490,6 +494,7 @@ static void sugov_exit(struct cpufreq_policy *policy)
mutex_unlock(&global_tunables_lock);
sugov_policy_free(sg_policy);
cpufreq_disable_fast_switch(policy);
}
static int sugov_start(struct cpufreq_policy *policy)