1 files changed, 18 insertions, 108 deletions

diff --git a/drivers/thermal/thermal_trip.c b/drivers/thermal/thermal_trip.c
index 49e63db68517..4b8238468b53 100644
--- a/drivers/thermal/thermal_trip.c
+++ b/drivers/thermal/thermal_trip.c
@@ -9,6 +9,21 @@
  */
 #include "thermal_core.h"
 
+static const char *trip_type_names[] = {
+	[THERMAL_TRIP_ACTIVE] = "active",
+	[THERMAL_TRIP_PASSIVE] = "passive",
+	[THERMAL_TRIP_HOT] = "hot",
+	[THERMAL_TRIP_CRITICAL] = "critical",
+};
+
+const char *thermal_trip_type_name(enum thermal_trip_type trip_type)
+{
+	if (trip_type < THERMAL_TRIP_ACTIVE || trip_type > THERMAL_TRIP_CRITICAL)
+		return "unknown";
+
+	return trip_type_names[trip_type];
+}
+
 int for_each_thermal_trip(struct thermal_zone_device *tz,
 			  int (*cb)(struct thermal_trip *, void *),
 			  void *data)
@@ -30,41 +45,14 @@ int thermal_zone_for_each_trip(struct thermal_zone_device *tz,
 			       int (*cb)(struct thermal_trip *, void *),
 			       void *data)
 {
-	int ret;
+	guard(thermal_zone)(tz);
 
-	mutex_lock(&tz->lock);
-	ret = for_each_thermal_trip(tz, cb, data);
-	mutex_unlock(&tz->lock);
-
-	return ret;
+	return for_each_thermal_trip(tz, cb, data);
 }
 EXPORT_SYMBOL_GPL(thermal_zone_for_each_trip);
 
-int thermal_zone_get_num_trips(struct thermal_zone_device *tz)
-{
-	return tz->num_trips;
-}
-EXPORT_SYMBOL_GPL(thermal_zone_get_num_trips);
-
-/**
- * __thermal_zone_set_trips - Computes the next trip points for the driver
- * @tz: a pointer to a thermal zone device structure
- *
- * The function computes the next temperature boundaries by browsing
- * the trip points. The result is the closer low and high trip points
- * to the current temperature. These values are passed to the backend
- * driver to let it set its own notification mechanism (usually an
- * interrupt).
- *
- * This function must be called with tz->lock held. Both tz and tz->ops
- * must be valid pointers.
- *
- * It does not return a value
- */
-void __thermal_zone_set_trips(struct thermal_zone_device *tz)
+void thermal_zone_set_trips(struct thermal_zone_device *tz, int low, int high)
 {
-	const struct thermal_trip_desc *td;
-	int low = -INT_MAX, high = INT_MAX;
 	int ret;
 
 	lockdep_assert_held(&tz->lock);
@@ -72,20 +60,6 @@ void __thermal_zone_set_trips(struct thermal_zone_device *tz)
 	if (!tz->ops.set_trips)
 		return;
 
-	for_each_trip_desc(tz, td) {
-		const struct thermal_trip *trip = &td->trip;
-		int trip_low;
-
-		trip_low = trip->temperature - trip->hysteresis;
-
-		if (trip_low < tz->temperature && trip_low > low)
-			low = trip_low;
-
-		if (trip->temperature > tz->temperature &&
-		    trip->temperature < high)
-			high = trip->temperature;
-	}
-
 	/* No need to change trip points */
 	if (tz->prev_low_trip == low && tz->prev_high_trip == high)
 		return;
@@ -105,30 +79,6 @@ void __thermal_zone_set_trips(struct thermal_zone_device *tz)
 		dev_err(&tz->device, "Failed to set trips: %d\n", ret);
 }
 
-int __thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id,
-			    struct thermal_trip *trip)
-{
-	if (!tz || trip_id < 0 || trip_id >= tz->num_trips || !trip)
-		return -EINVAL;
-
-	*trip = tz->trips[trip_id].trip;
-	return 0;
-}
-EXPORT_SYMBOL_GPL(__thermal_zone_get_trip);
-
-int thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id,
-			  struct thermal_trip *trip)
-{
-	int ret;
-
-	mutex_lock(&tz->lock);
-	ret = __thermal_zone_get_trip(tz, trip_id, trip);
-	mutex_unlock(&tz->lock);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(thermal_zone_get_trip);
-
 int thermal_zone_trip_id(const struct thermal_zone_device *tz,
 			 const struct thermal_trip *trip)
 {
@@ -138,43 +88,3 @@ int thermal_zone_trip_id(const struct thermal_zone_device *tz,
 	 */
 	return trip_to_trip_desc(trip) - tz->trips;
 }
-
-void thermal_zone_trip_updated(struct thermal_zone_device *tz,
-			       const struct thermal_trip *trip)
-{
-	thermal_notify_tz_trip_change(tz, trip);
-	__thermal_zone_device_update(tz, THERMAL_TRIP_CHANGED);
-}
-
-void thermal_zone_set_trip_temp(struct thermal_zone_device *tz,
-				struct thermal_trip *trip, int temp)
-{
-	if (trip->temperature == temp)
-		return;
-
-	trip->temperature = temp;
-	thermal_notify_tz_trip_change(tz, trip);
-
-	if (temp == THERMAL_TEMP_INVALID) {
-		struct thermal_trip_desc *td = trip_to_trip_desc(trip);
-
-		if (tz->temperature >= td->threshold) {
-			/*
-			 * The trip has been crossed on the way up, so some
-			 * adjustments are needed to compensate for the lack
-			 * of it going forward.
-			 */
-			if (trip->type == THERMAL_TRIP_PASSIVE) {
-				tz->passive--;
-				WARN_ON_ONCE(tz->passive < 0);
-			}
-			thermal_zone_trip_down(tz, trip);
-		}
-		/*
-		 * Invalidate the threshold to avoid triggering a spurious
-		 * trip crossing notification when the trip becomes valid.
-		 */
-		td->threshold = INT_MAX;
-	}
-}
-EXPORT_SYMBOL_GPL(thermal_zone_set_trip_temp);