diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index 2df059cc07e2..dc5093be553e 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -5,6 +5,9 @@
  *  Copyright (C) 2013 Texas Instruments
  *  Copyright (C) 2013 Eduardo Valentin <eduardo.valentin@ti.com>
  */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/thermal.h>
 #include <linux/slab.h>
 #include <linux/types.h>