diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index d15d243..1cc5041 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -89,9 +89,14 @@
 #ifdef CONFIG_THERMAL_OF
 int of_parse_thermal_zones(void);
 void of_thermal_destroy_zones(void);
+int of_thermal_get_ntrips(struct thermal_zone_device *);
 #else
 static inline int of_parse_thermal_zones(void) { return 0; }
 static inline void of_thermal_destroy_zones(void) { }
+static inline int of_thermal_get_ntrips(struct thermal_zone_device *tz)
+{
+	return 0;
+}
 #endif
 
 #endif /* __THERMAL_CORE_H__ */