thermal: core: introduce thermal_helpers.c

Here we have a simple code organization. This patch moves
functions that do not need to handle thermal core internal
data structure to thermal_helpers.c file.

Cc: Zhang Rui <rui.zhang@intel.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>

1 files changed, 0 insertions, 170 deletions

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 3a189fd729b9..519aa94d0837 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -230,48 +230,6 @@ static void release_idr(struct idr *idr, struct mutex *lock, int id)
 		mutex_unlock(lock);
 }
 
-int get_tz_trend(struct thermal_zone_device *tz, int trip)
-{
-	enum thermal_trend trend;
-
-	if (tz->emul_temperature || !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);
-
 static void print_bind_err_msg(struct thermal_zone_device *tz,
 			struct thermal_cooling_device *cdev, int ret)
 {
@@ -472,105 +430,6 @@ static void handle_thermal_trip(struct thermal_zone_device *tz, int trip)
 	monitor_thermal_zone(tz);
 }
 
-/**
- * thermal_zone_get_temp() - returns the temperature of a thermal zone
- * @tz: a valid pointer to a struct thermal_zone_device
- * @temp: a valid pointer to where to store the resulting temperature.
- *
- * When a valid thermal zone reference is passed, it will fetch its
- * temperature and fill @temp.
- *
- * Return: On success returns 0, an error code otherwise
- */
-int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp)
-{
-	int ret = -EINVAL;
-	int count;
-	int crit_temp = INT_MAX;
-	enum thermal_trip_type type;
-
-	if (!tz || IS_ERR(tz) || !tz->ops->get_temp)
-		goto exit;
-
-	mutex_lock(&tz->lock);
-
-	ret = tz->ops->get_temp(tz, temp);
-
-	if (IS_ENABLED(CONFIG_THERMAL_EMULATION) && tz->emul_temperature) {
-		for (count = 0; count < tz->trips; count++) {
-			ret = tz->ops->get_trip_type(tz, count, &type);
-			if (!ret && type == THERMAL_TRIP_CRITICAL) {
-				ret = tz->ops->get_trip_temp(tz, count,
-						&crit_temp);
-				break;
-			}
-		}
-
-		/*
-		 * Only allow emulating a temperature when the real temperature
-		 * is below the critical temperature so that the emulation code
-		 * cannot hide critical conditions.
-		 */
-		if (!ret && *temp < crit_temp)
-			*temp = tz->emul_temperature;
-	}
-
-	mutex_unlock(&tz->lock);
-exit:
-	return ret;
-}
-EXPORT_SYMBOL_GPL(thermal_zone_get_temp);
-
-void thermal_zone_set_trips(struct thermal_zone_device *tz)
-{
-	int low = -INT_MAX;
-	int high = INT_MAX;
-	int trip_temp, hysteresis;
-	int i, ret;
-
-	mutex_lock(&tz->lock);
-
-	if (!tz->ops->set_trips || !tz->ops->get_trip_hyst)
-		goto exit;
-
-	for (i = 0; i < tz->trips; i++) {
-		int trip_low;
-
-		tz->ops->get_trip_temp(tz, i, &trip_temp);
-		tz->ops->get_trip_hyst(tz, i, &hysteresis);
-
-		trip_low = trip_temp - hysteresis;
-
-		if (trip_low < tz->temperature && trip_low > low)
-			low = trip_low;
-
-		if (trip_temp > tz->temperature && trip_temp < high)
-			high = trip_temp;
-	}
-
-	/* No need to change trip points */
-	if (tz->prev_low_trip == low && tz->prev_high_trip == high)
-		goto exit;
-
-	tz->prev_low_trip = low;
-	tz->prev_high_trip = high;
-
-	dev_dbg(&tz->device,
-		"new temperature boundaries: %d < x < %d\n", low, high);
-
-	/*
-	 * Set a temperature window. When this window is left the driver
-	 * must inform the thermal core via thermal_zone_device_update.
-	 */
-	ret = tz->ops->set_trips(tz, low, high);
-	if (ret)
-		dev_err(&tz->device, "Failed to set trips: %d\n", ret);
-
-exit:
-	mutex_unlock(&tz->lock);
-}
-EXPORT_SYMBOL_GPL(thermal_zone_set_trips);
-
 static void update_temperature(struct thermal_zone_device *tz)
 {
 	int temp, ret;
@@ -1178,35 +1037,6 @@ void thermal_cooling_device_unregister(struct thermal_cooling_device *cdev)
 }
 EXPORT_SYMBOL_GPL(thermal_cooling_device_unregister);
 
-void thermal_cdev_update(struct thermal_cooling_device *cdev)
-{
-	struct thermal_instance *instance;
-	unsigned long target = 0;
-
-	mutex_lock(&cdev->lock);
-	/* cooling device is updated*/
-	if (cdev->updated) {
-		mutex_unlock(&cdev->lock);
-		return;
-	}
-
-	/* Make sure cdev enters the deepest cooling state */
-	list_for_each_entry(instance, &cdev->thermal_instances, cdev_node) {
-		dev_dbg(&cdev->device, "zone%d->target=%lu\n",
-			instance->tz->id, instance->target);
-		if (instance->target == THERMAL_NO_TARGET)
-			continue;
-		if (instance->target > target)
-			target = instance->target;
-	}
-	cdev->ops->set_cur_state(cdev, target);
-	cdev->updated = true;
-	mutex_unlock(&cdev->lock);
-	trace_cdev_update(cdev, target);
-	dev_dbg(&cdev->device, "set to state %lu\n", target);
-}
-EXPORT_SYMBOL(thermal_cdev_update);
-
 /**
  * thermal_notify_framework - Sensor drivers use this API to notify framework
  * @tz:		thermal zone device