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| author | Viresh Kumar <viresh.kumar@linaro.org> | 2016-11-15 13:53:21 +0530 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-11-16 23:21:08 +0100 |
| commit | 4a71ce4348bb61740d411822357061f8bf870f4c (patch) | |
| tree | 36a84d540d82a046205dbceb9021347e3f5cb3bd /kernel/sched/cpufreq_schedutil.c | |
| parent | 8e2ddb03643eb9d0bc4926946d7ce0d308eef0a5 (diff) | |
| download | linux-4a71ce4348bb61740d411822357061f8bf870f4c.tar.bz2 | |
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>
Diffstat (limited to 'kernel/sched/cpufreq_schedutil.c')
| -rw-r--r-- | kernel/sched/cpufreq_schedutil.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index 8c4e1652e895..68f21bb6bd44 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -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) |