diff --git a/include/asm-arm/arch-ebsa110/io.h b/include/asm-arm/arch-ebsa110/io.h
index 68e04c0bb3f7..ae048441c9ed 100644
--- a/include/asm-arm/arch-ebsa110/io.h
+++ b/include/asm-arm/arch-ebsa110/io.h
@@ -64,7 +64,7 @@ void __writel(u32 val, void __iomem *addr);
 #define writew(v,b)		__writew(v,b)
 #define writel(v,b)		__writel(v,b)
 
-#define __arch_ioremap(cookie,sz,c,a)	((void __iomem *)(cookie))
+#define __arch_ioremap(cookie,sz,c)	((void __iomem *)(cookie))
 #define __arch_iounmap(cookie)		do { } while (0)
 
 extern void insb(unsigned int port, void *buf, int sz);