diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index 79076d6..f5f7f49 100644
--- a/arch/arm/mach-omap2/mux.h
+++ b/arch/arm/mach-omap2/mux.h
@@ -172,6 +172,8 @@
 	return 0;
 }
 
+static struct omap_board_mux *board_mux __initdata __maybe_unused;
+
 #endif
 
 /**