--- drivers/serial/uartlite.c | 1 + 1 file changed, 1 insertion(+) Index: linux-mm/drivers/serial/uartlite.c =================================================================== --- linux-mm.orig/drivers/serial/uartlite.c +++ linux-mm/drivers/serial/uartlite.c @@ -437,6 +437,7 @@ port->flags = UPF_BOOT_AUTOCONF; port->dev = &pdev->dev; port->type = PORT_UNKNOWN; + port->line = pdev->id; uart_add_one_port(&ulite_uart_driver, port); platform_set_drvdata(pdev, port);