From: Eduardo Valentin Date: Wed, 17 Apr 2013 17:12:07 +0000 (+0000) Subject: thermal: cpu_cooling: improve documentation for get_cpu_frequency X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=41518c41dd6f36a0a951d1850e286a44773f75ca;p=linux-beck.git thermal: cpu_cooling: improve documentation for get_cpu_frequency Fix kernel-doc warning on get_cpu_frequency and improve documentation comments. Signed-off-by: Eduardo Valentin Acked-by: Amit Daniel Kachhap Signed-off-by: Zhang Rui --- diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index f1a041205a0e..73944a34fdb9 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -232,8 +232,14 @@ EXPORT_SYMBOL_GPL(cpufreq_cooling_get_level); /** * get_cpu_frequency - get the absolute value of frequency from level. * @cpu: cpu for which frequency is fetched. - * @level: level of frequency, equals cooling state of cpu cooling device + * @level: cooling level + * + * This function matches cooling level with frequency. Based on a cooling level + * of frequency, equals cooling state of cpu cooling device, it will return + * the corresponding frequency. * e.g level=0 --> 1st MAX FREQ, level=1 ---> 2nd MAX FREQ, .... etc + * + * Return: 0 on error, the corresponding frequency otherwise. */ static unsigned int get_cpu_frequency(unsigned int cpu, unsigned long level) {