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-rw-r--r--drivers/tty/serial/of_serial.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index fbb719c..7ff61e2 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -102,6 +102,11 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
if (of_property_read_u32(np, "fifo-size", &prop) == 0)
port->fifosize = prop;
+ /* Check for a fixed line number */
+ ret = of_alias_get_id(np, "serial");
+ if (ret >= 0)
+ port->line = ret;
+
port->irq = irq_of_parse_and_map(np, 0);
port->iotype = UPIO_MEM;
if (of_property_read_u32(np, "reg-io-width", &prop) == 0) {
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