Add support for alias parsing from the DT. This allows for consistent
tty numbering.
Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Jiri Slaby <jslaby@xxxxxxx>
Cc: linux-serial@xxxxxxxxxxxxxxx
---
drivers/tty/serial/of_serial.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index 64f1bab..3194b42 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -128,6 +128,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
if (of_find_property(np, "no-loopback-test", NULL))
port->flags |= UPF_SKIP_TEST;
+ ret = of_alias_get_id(np, "serial");
+ if (ret >= 0)
+ port->line = ret;
+
port->dev = &ofdev->dev;
switch (type) {
--
2.1.0
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