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Message-ID: <1539685088-13465-3-git-send-email-shubhrajyoti.datta@gmail.com>
Date: Tue, 16 Oct 2018 15:48:01 +0530
From: <shubhrajyoti.datta@...il.com>
To: <linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <gregkh@...uxfoundation.org>, <jslaby@...e.com>,
<jacmet@...site.dk>,
Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>,
Michal Simek <michal.simek@...inx.com>
Subject: [LINUX PATCHv3 2/9] serial-uartlite: Add get serial id if not provided
From: Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>
Add get serial id if not provided
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
---
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
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