--- a/arch/arm/plat-omap/fb.c
+++ b/arch/arm/plat-omap/fb.c
@@ -98,6 +98,8 @@ arch_initcall(omap_init_fb);
 
 #else
 
-void __init omapfb_set_lcd_config(omap_lcd_config *config) { }
+void __init omapfb_set_lcd_config(const struct omap_lcd_config *config)
+{
+}
 
 #endif