thermal: trip: Use common set of trip type names

Use the same set of trip type names in sysfs and in the thermal debug
code output.

No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>

drivers/thermal/thermal_core.h

@@ -240,6 +240,8 @@ void thermal_governor_update_tz(struct thermal_zone_device *tz,
 #define trip_to_trip_desc(__trip)	\
 	container_of(__trip, struct thermal_trip_desc, trip)
 
+const char *thermal_trip_type_name(enum thermal_trip_type trip_type);
+
 void __thermal_zone_set_trips(struct thermal_zone_device *tz);
 int thermal_zone_trip_id(const struct thermal_zone_device *tz,
 			 const struct thermal_trip *trip);

drivers/thermal/thermal_debugfs.c

@@ -784,7 +784,6 @@ static int tze_seq_show(struct seq_file *s, void *v)
 	struct thermal_zone_device *tz = thermal_dbg->tz_dbg.tz;
 	struct thermal_trip_desc *td;
 	struct tz_episode *tze;
-	const char *type;
 	u64 duration_ms;
 	int trip_id;
 	char c;
@@ -824,13 +823,6 @@ static int tze_seq_show(struct seq_file *s, void *v)
 		if (trip_stats->trip_temp == THERMAL_TEMP_INVALID)
 			continue;
 
-		if (trip->type == THERMAL_TRIP_PASSIVE)
-			type = "passive";
-		else if (trip->type == THERMAL_TRIP_ACTIVE)
-			type = "active";
-		else
-			type = "hot";
-
 		if (trip_stats->timestamp != KTIME_MAX) {
 			/* Mitigation in progress. */
 			ktime_t delta = ktime_sub(ktime_get(),
@@ -846,7 +838,7 @@ static int tze_seq_show(struct seq_file *s, void *v)
 
 		seq_printf(s, "| %*d | %*s | %*d | %*d | %c%*lld | %*d | %*d |\n",
 			   4 , trip_id,
-			   8, type,
+			   8, thermal_trip_type_name(trip->type),
 			   9, trip_stats->trip_temp,
 			   9, trip_stats->trip_hyst,
 			   c, 11, duration_ms,

drivers/thermal/thermal_sysfs.c

@@ -88,18 +88,7 @@ trip_point_type_show(struct device *dev, struct device_attribute *attr,
 	if (sscanf(attr->attr.name, "trip_point_%d_type", &trip_id) != 1)
 		return -EINVAL;
 
-	switch (tz->trips[trip_id].trip.type) {
-	case THERMAL_TRIP_CRITICAL:
-		return sprintf(buf, "critical\n");
-	case THERMAL_TRIP_HOT:
-		return sprintf(buf, "hot\n");
-	case THERMAL_TRIP_PASSIVE:
-		return sprintf(buf, "passive\n");
-	case THERMAL_TRIP_ACTIVE:
-		return sprintf(buf, "active\n");
-	default:
-		return sprintf(buf, "unknown\n");
-	}
+	return sprintf(buf, "%s\n", thermal_trip_type_name(tz->trips[trip_id].trip.type));
 }
 
 static ssize_t

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)