diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h
index aa30244492c6770a5ccdaf9c6a21536c9f6ea579..b981b8772217cfb27e1c02e814727817e367c101 100644
--- a/include/linux/mtd/map.h
+++ b/include/linux/mtd/map.h
@@ -223,6 +223,7 @@ struct map_info {
 	   must leave it enabled. */
 	void (*set_vpp)(struct map_info *, int);
 
+	unsigned long pfow_base;
 	unsigned long map_priv_1;
 	unsigned long map_priv_2;
 	void *fldrv_priv;