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| author |   Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> | 2018-10-16 15:48:01 +0530 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-09 08:45:07 -0800 |
| commit | 62104b280a5a5d999c562d8e8f4c6c4eb97fb013 (patch) | |
| tree | 72713def65b6067ad96923dae95297f78851d05c /drivers/tty/serial/uartlite.c | |
| parent | serial-uartlite: Move the uart register (diff) | |
| download | linux-dev-62104b280a5a5d999c562d8e8f4c6c4eb97fb013.tar.xz linux-dev-62104b280a5a5d999c562d8e8f4c6c4eb97fb013.zip | |
serial-uartlite: Add get serial id if not provided
Add get serial id if not provided
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/uartlite.c')
| -rw-r--r-- | drivers/tty/serial/uartlite.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c index 77bc9d0cb8bf..441a216c1be6 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); |