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cpufreq: Make cpufreq_update_policy() void

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The return value of cpufreq_update_policy() is never used, so make
it void.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Rafael J. Wysocki 2016-11-18 13:59:21 +01:00
parent bca5f557dc
commit 30248feff5
2 changed files with 8 additions and 15 deletions
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21
drivers/cpufreq/cpufreq.c
View File

@ -2257,21 +2257,18 @@ static int cpufreq_set_policy(struct cpufreq_policy *policy,
* Useful for policy notifiers which have different necessities
* at different times.
*/
int cpufreq_update_policy(unsigned int cpu)
void cpufreq_update_policy(unsigned int cpu)
{
struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
struct cpufreq_policy new_policy;
int ret;
if (!policy)
return -ENODEV;
return;
down_write(&policy->rwsem);
if (policy_is_inactive(policy)) {
ret = -ENODEV;
if (policy_is_inactive(policy))
goto unlock;
}
pr_debug("updating policy for CPU %u\n", cpu);
memcpy(&new_policy, policy, sizeof(*policy));
@ -2283,24 +2280,20 @@ int cpufreq_update_policy(unsigned int cpu)
* -> ask driver for current freq and notify governors about a change
*/
if (cpufreq_driver->get && !cpufreq_driver->setpolicy) {
if (cpufreq_suspended) {
ret = -EAGAIN;
if (cpufreq_suspended)
goto unlock;
}
new_policy.cur = cpufreq_update_current_freq(policy);
if (WARN_ON(!new_policy.cur)) {
ret = -EIO;
if (WARN_ON(!new_policy.cur))
goto unlock;
}
}
ret = cpufreq_set_policy(policy, &new_policy);
cpufreq_set_policy(policy, &new_policy);
unlock:
up_write(&policy->rwsem);
cpufreq_cpu_put(policy);
return ret;
}
EXPORT_SYMBOL(cpufreq_update_policy);

2
include/linux/cpufreq.h
View File

@ -175,7 +175,7 @@ void disable_cpufreq(void);
u64 get_cpu_idle_time(unsigned int cpu, u64 *wall, int io_busy);
int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu);
int cpufreq_update_policy(unsigned int cpu);
void cpufreq_update_policy(unsigned int cpu);
bool have_governor_per_policy(void);
struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy);
void cpufreq_enable_fast_switch(struct cpufreq_policy *policy);