diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
index 49af808153a7..fc92e43d0fe9 100644
--- a/drivers/acpi/platform_profile.c
+++ b/drivers/acpi/platform_profile.c
@@ -2,6 +2,8 @@
 
 /* Platform profile sysfs interface */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/acpi.h>
 #include <linux/bits.h>
 #include <linux/cleanup.h>