From 62104b280a5a5d999c562d8e8f4c6c4eb97fb013 Mon Sep 17 00:00:00 2001 From: Shubhrajyoti Datta Date: Tue, 16 Oct 2018 15:48:01 +0530 Subject: [PATCH] serial-uartlite: Add get serial id if not provided Add get serial id if not provided Signed-off-by: Shubhrajyoti Datta Signed-off-by: Michal Simek Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/uartlite.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c index 77bc9d0..441a216 100644 --- a/drivers/tty/serial/uartlite.c +++ b/drivers/tty/serial/uartlite.c @@ -763,6 +763,13 @@ static int ulite_probe(struct platform_device *pdev) if (prop) id = be32_to_cpup(prop); #endif + if (id < 0) { + /* Look for a serialN alias */ + id = of_alias_get_id(pdev->dev.of_node, "serial"); + if (id < 0) + id = 0; + } + if (!ulite_uart_driver.state) { dev_dbg(&pdev->dev, "uartlite: calling uart_register_driver()\n"); ret = uart_register_driver(&ulite_uart_driver); -- 2.7.4