diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index 7aef751..8c5c276 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -362,7 +362,7 @@
 
 static struct uart_port serial21285_port = {
 	.mapbase	= 0x42000160,
-	.iotype		= SERIAL_IO_MEM,
+	.iotype		= UPIO_MEM,
 	.irq		= NO_IRQ,
 	.fifosize	= 16,
 	.ops		= &serial21285_ops,