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authorEduardo Valentin <eduardo.valentin@ti.com>2013-04-17 17:12:09 +0000
committerZhang Rui <rui.zhang@intel.com>2013-04-25 00:34:40 +0800
commitbab3055472b44f0897fff88f9c8d3fc55e5d7685 (patch)
tree81f1cbd725913e974e9ce66b615d82fdfacffde8 /drivers/thermal
parent4b33deb5470cda8268d684da6d448c081b6bf641 (diff)
downloadvexpress-lsk-bab3055472b44f0897fff88f9c8d3fc55e5d7685.tar.gz
thermal: cpu_cooling: update documentation for cpufreq_thermal_notifier
Update kernel-doc comment and documentation for cpufreq_thermal_notifier. Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> Acked-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/cpu_cooling.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 1ec1591e3fd..eb62ffaad6a 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -299,6 +299,12 @@ static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device,
* @nb: struct notifier_block * with callback info.
* @event: value showing cpufreq event for which this function invoked.
* @data: callback-specific data
+ *
+ * Callback to highjack the notification on cpufreq policy transition.
+ * Every time there is a change in policy, we will intercept and
+ * update the cpufreq policy with thermal constraints.
+ *
+ * Return: 0 (success)
*/
static int cpufreq_thermal_notifier(struct notifier_block *nb,
unsigned long event, void *data)