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-rw-r--r--drivers/thermal/thermal_core.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index eb3385edeac..5f6af8ade32 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -1109,13 +1109,23 @@ thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
#endif
/**
- * thermal_zone_bind_cooling_device - bind a cooling device to a thermal zone
- * @tz: thermal zone device
+ * thermal_zone_bind_cooling_device() - bind a cooling device to a thermal zone
+ * @tz: pointer to struct thermal_zone_device
* @trip: indicates which trip point the cooling devices is
* associated with in this thermal zone.
- * @cdev: thermal cooling device
+ * @cdev: pointer to struct thermal_cooling_device
+ * @upper: the Maximum cooling state for this trip point.
+ * THERMAL_NO_LIMIT means no upper limit,
+ * and the cooling device can be in max_state.
+ * @lower: the Minimum cooling state can be used for this trip point.
+ * THERMAL_NO_LIMIT means no lower limit,
+ * and the cooling device can be in cooling state 0.
*
+ * This interface function bind a thermal cooling device to the certain trip
+ * point of a thermal zone device.
* This function is usually called in the thermal zone device .bind callback.
+ *
+ * Return: 0 on success, the proper error value otherwise.
*/
int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
int trip,