Hi Rui,

quoted

+int get_tz_trend(struct thermal_zone_device *tz, int trip) {
+	enum thermal_trend trend;
+
+	if (!tz->ops->get_trend || tz->ops->get_trend(tz, trip, &trend))
{
+		if (tz->temperature > tz->last_temperature)
+			trend = THERMAL_TREND_RAISING;
+		else if (tz->temperature < tz->last_temperature)
+			trend = THERMAL_TREND_DROPPING;
+		else
+			trend = THERMAL_TREND_STABLE;
+	}
+
+	return trend;
+}
+EXPORT_SYMBOL(get_tz_trend);
+
+struct thermal_instance *get_thermal_instance(struct
thermal_zone_device *tz,
+			struct thermal_cooling_device *cdev, int trip) {
+	struct thermal_instance *pos = NULL;
+	struct thermal_instance *target_instance = NULL;
+
+	mutex_lock(&tz->lock);
+	mutex_lock(&cdev->lock);
+
+	list_for_each_entry(pos, &tz->thermal_instances, tz_node) {
+		if (pos->tz == tz && pos->trip == trip && pos->cdev == cdev)
{
+			target_instance = pos;
+			break;
+		}
+	}
+
+	mutex_unlock(&cdev->lock);
+	mutex_unlock(&tz->lock);
+
+	return target_instance;
+}
+EXPORT_SYMBOL(get_thermal_instance);
+
 /* sys I/F for thermal zone */

 #define to_thermal_zone(_dev) \

diff --git a/include/linux/thermal.h b/include/linux/thermal.h index

8611e3e..32af124 100644

--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h

@@ -185,6 +185,10 @@ struct thermal_cooling_device

*thermal_cooling_device_register(char *, void *,
 		const struct thermal_cooling_device_ops *);  void
thermal_cooling_device_unregister(struct thermal_cooling_device *);

+int get_tz_trend(struct thermal_zone_device *, int); struct

Coding style.

Not sure what you meant here. Checkpatch did not complain either.

Thanks,
Durga

Thanks,
rui

quoted

+thermal_instance *get_thermal_instance(struct thermal_zone_device *,
+		struct thermal_cooling_device *, int);
+
 #ifdef CONFIG_NET
 extern int thermal_generate_netlink_event(u32 orig, enum events

event);

quoted

#else
--
1.7.9.5