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cpufreq: Improve kerneldoc comments for cpufreq_cpu_get/put() 

Fix the formatting of the cpufreq_cpu_get() and cpufreq_cpu_put()
kerneldoc comments and rework them to be somewhat easier to follow.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
hifive-unleashed-5.1
Rafael J. Wysocki 2019-03-05 11:44:04 +01:00
parent ef8006846a
commit 5d094fea14
1 changed files with 9 additions and 15 deletions
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24
drivers/cpufreq/cpufreq.c
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@ -206,17 +206,15 @@ unsigned int cpufreq_generic_get(unsigned int cpu)
EXPORT_SYMBOL_GPL(cpufreq_generic_get);
/**
* cpufreq_cpu_get: returns policy for a cpu and marks it busy.
* cpufreq_cpu_get - Return policy for a CPU and mark it as busy.
* @cpu: CPU to find the policy for.
*
* @cpu: cpu to find policy for.
* Call cpufreq_cpu_get_raw() to obtain a cpufreq policy for @cpu and increment
* the kobject reference counter of that policy. Return a valid policy on
* success or NULL on failure.
*
* This returns policy for 'cpu', returns NULL if it doesn't exist.
* It also increments the kobject reference count to mark it busy and so would
* require a corresponding call to cpufreq_cpu_put() to decrement it back.
* If corresponding call cpufreq_cpu_put() isn't made, the policy wouldn't be
* freed as that depends on the kobj count.
*
* Return: A valid policy on success, otherwise NULL on failure.
* The policy returned by this function has to be released with the help of
* cpufreq_cpu_put() to balance its kobject reference counter properly.
*/
struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
{
@ -243,12 +241,8 @@ struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
EXPORT_SYMBOL_GPL(cpufreq_cpu_get);
/**
* cpufreq_cpu_put: Decrements the usage count of a policy
*
* @policy: policy earlier returned by cpufreq_cpu_get().
*
* This decrements the kobject reference count incremented earlier by calling
* cpufreq_cpu_get().
* cpufreq_cpu_put - Decrement kobject usage counter for cpufreq policy.
* @policy: cpufreq policy returned by cpufreq_cpu_get().
*/
void cpufreq_cpu_put(struct cpufreq_policy *policy)
{