diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c
index ff5a1dc43e08..f24f8a2073d9 100644
--- a/drivers/tty/serial/bfin_uart.c
+++ b/drivers/tty/serial/bfin_uart.c
@@ -1377,8 +1377,10 @@ static int bfin_serial_probe(struct platform_device *pdev)
 		res = platform_get_resource(pdev, IORESOURCE_IO, 0);
 		if (res == NULL)
 			uart->cts_pin = -1;
-		else
+		else {
 			uart->cts_pin = res->start;
+			uart->port.flags |= ASYNC_CTS_FLOW;
+		}
 
 		res = platform_get_resource(pdev, IORESOURCE_IO, 1);
 		if (res == NULL)