diff --git a/arch/arm/plat-mxc/devices/platform-fec.c b/arch/arm/plat-mxc/devices/platform-fec.c
index 6561c9d..ccc789e 100644
--- a/arch/arm/plat-mxc/devices/platform-fec.c
+++ b/arch/arm/plat-mxc/devices/platform-fec.c
@@ -53,7 +53,7 @@
 	struct resource res[] = {
 		{
 			.start = data->iobase,
-			.end = data->iobase + SZ_4K,
+			.end = data->iobase + SZ_4K - 1,
 			.flags = IORESOURCE_MEM,
 		}, {
 			.start = data->irq,