From 5d094fea148dc35e2e5664d297b82494322704cd Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Tue, 5 Mar 2019 11:44:04 +0100 Subject: [PATCH] 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 Acked-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki --- drivers/cpufreq/cpufreq.c | 24 +++++++++--------------- 1 file changed, 9 insertions(+), 15 deletions(-) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 0e626b00053b..e10922709d13 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -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) {