Update kernel-doc comments for cpufreq_apply_cooling function.
Cc: Zhang Rui <rui.zh...@intel.com>
Cc: linux...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valen...@ti.com>
---
drivers/thermal/cpu_cooling.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 593da29..934c0b0 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -265,6 +265,12 @@ static unsigned int get_cpu_frequency(unsigned int cpu,
unsigned long level)
* @cpufreq_device: cpufreq_cooling_device pointer containing frequency
* clipping data.
* @cooling_state: value of the cooling state.
+ *
+ * Function used to make sure the cpufreq layer is aware of current thermal
+ * limits. The limits are applied by updating the cpufreq policy.
+ *
+ * Return: 0 on success, an error code otherwise (-EINVAL in case wrong
+ * cooling state).
*/
static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device,
unsigned long cooling_state)
--
1.8.2.1.342.gfa7285d
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