diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index cae61d1ebec5..26ca6b94dc3f 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -558,6 +558,7 @@ static void __init serial8250_isa_init_ports(void)
 static void __init
 serial8250_register_ports(struct uart_driver *drv, struct device *dev)
 {
+#ifndef CONFIG_ARCH_ROCKCHIP
 	int i;
 
 	for (i = 0; i < nr_uarts; i++) {
@@ -574,6 +575,7 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev)
 		serial8250_apply_quirks(up);
 		uart_add_one_port(drv, &up->port);
 	}
+#endif
 }
 
 #ifdef CONFIG_SERIAL_8250_CONSOLE
@@ -1019,7 +1021,9 @@ int serial8250_register_8250_port(struct uart_8250_port *up)
 		uart->rs485_start_tx	= up->rs485_start_tx;
 		uart->rs485_stop_tx	= up->rs485_stop_tx;
 		uart->dma		= up->dma;
-
+#ifdef CONFIG_ARCH_ROCKCHIP
+		uart->port.line		= up->port.line;
+#endif
 		/* Take tx_loadsz from fifosize if it wasn't set separately */
 		if (uart->port.fifosize && !uart->tx_loadsz)
 			uart->tx_loadsz = uart->port.fifosize;