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cpufreq: Use __free() for policy reference counting cleanup

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Use __free() for policy reference counting cleanup where applicable in
the cpufreq core.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://patch.msgid.link/9437968.CDJkKcVGEf@rjwysocki.net
This commit is contained in:
Rafael J. Wysocki 2025-03-28 21:46:22 +01:00
parent c7282dce25
commit ece898da38
1 changed files with 25 additions and 32 deletions
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57
drivers/cpufreq/cpufreq.c
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@ -1818,27 +1818,26 @@ static unsigned int cpufreq_verify_current_freq(struct cpufreq_policy *policy, b
*/
unsigned int cpufreq_quick_get(unsigned int cpu)
{
struct cpufreq_policy *policy;
unsigned int ret_freq = 0;
struct cpufreq_policy *policy __free(put_cpufreq_policy) = NULL;
unsigned long flags;
read_lock_irqsave(&cpufreq_driver_lock, flags);
if (cpufreq_driver && cpufreq_driver->setpolicy && cpufreq_driver->get) {
ret_freq = cpufreq_driver->get(cpu);
unsigned int ret_freq = cpufreq_driver->get(cpu);
read_unlock_irqrestore(&cpufreq_driver_lock, flags);
return ret_freq;
}
read_unlock_irqrestore(&cpufreq_driver_lock, flags);
policy = cpufreq_cpu_get(cpu);
if (policy) {
ret_freq = policy->cur;
cpufreq_cpu_put(policy);
}
if (policy)
return policy->cur;
return ret_freq;
return 0;
}
EXPORT_SYMBOL(cpufreq_quick_get);
@ -1850,15 +1849,13 @@ EXPORT_SYMBOL(cpufreq_quick_get);
*/
unsigned int cpufreq_quick_get_max(unsigned int cpu)
{
struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
unsigned int ret_freq = 0;
struct cpufreq_policy *policy __free(put_cpufreq_policy);
if (policy) {
ret_freq = policy->max;
cpufreq_cpu_put(policy);
}
policy = cpufreq_cpu_get(cpu);
if (policy)
return policy->max;
return ret_freq;
return 0;
}
EXPORT_SYMBOL(cpufreq_quick_get_max);
@ -1870,15 +1867,13 @@ EXPORT_SYMBOL(cpufreq_quick_get_max);
*/
__weak unsigned int cpufreq_get_hw_max_freq(unsigned int cpu)
{
struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
unsigned int ret_freq = 0;
struct cpufreq_policy *policy __free(put_cpufreq_policy);
if (policy) {
ret_freq = policy->cpuinfo.max_freq;
cpufreq_cpu_put(policy);
}
policy = cpufreq_cpu_get(cpu);
if (policy)
return policy->cpuinfo.max_freq;
return ret_freq;
return 0;
}
EXPORT_SYMBOL(cpufreq_get_hw_max_freq);
@ -1898,20 +1893,18 @@ static unsigned int __cpufreq_get(struct cpufreq_policy *policy)
*/
unsigned int cpufreq_get(unsigned int cpu)
{
struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
unsigned int ret_freq = 0;
struct cpufreq_policy *policy __free(put_cpufreq_policy);
policy = cpufreq_cpu_get(cpu);
if (!policy)
return 0;
scoped_guard(cpufreq_policy_read, policy) {
if (cpufreq_driver->get)
ret_freq = __cpufreq_get(policy);
}
guard(cpufreq_policy_read)(policy);
cpufreq_cpu_put(policy);
if (cpufreq_driver->get)
return __cpufreq_get(policy);
return ret_freq;
return 0;
}
EXPORT_SYMBOL(cpufreq_get);
@ -2566,7 +2559,8 @@ EXPORT_SYMBOL_GPL(cpufreq_unregister_governor);
*/
int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu)
{
struct cpufreq_policy *cpu_policy;
struct cpufreq_policy *cpu_policy __free(put_cpufreq_policy);
if (!policy)
return -EINVAL;
@ -2576,7 +2570,6 @@ int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu)
memcpy(policy, cpu_policy, sizeof(*policy));
cpufreq_cpu_put(cpu_policy);
return 0;
}
EXPORT_SYMBOL(cpufreq_get_policy);