diff --git a/drivers/mtd/maps/uclinux.c b/drivers/mtd/maps/uclinux.c
index f5e8e9a..18cf6d0 100644
--- a/drivers/mtd/maps/uclinux.c
+++ b/drivers/mtd/maps/uclinux.c
@@ -23,6 +23,12 @@
 
 /****************************************************************************/
 
+/*
+ * Blackfin uses uclinux_ram_map during startup, so it must not be static.
+ * Provide a dummy declaration to make sparse happy.
+ */
+extern struct map_info uclinux_ram_map;
+
 struct map_info uclinux_ram_map = {
 	.size = 0,
 };