From: Shubhrajyoti Datta <[email protected]>

Add get serial id if not provided

Signed-off-by: Shubhrajyoti Datta <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
---
 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);
-- 
2.1.1

Reply via email to