--- a/drivers/mtd/maps/lantiq-flash.c
+++ b/drivers/mtd/maps/lantiq-flash.c
@@ -20,6 +20,8 @@
 #include <linux/platform_device.h>
 #include <linux/mtd/physmap.h>
 
+#include "../mtdcore.h"
+
 #include <lantiq_soc.h>
 #include <lantiq_platform.h>