1 From 49b47dfcef1353cd28eac8f64170e75d28ce4311 Mon Sep 17 00:00:00 2001
2 From: John Crispin <blogic@openwrt.org>
3 Date: Sun, 14 Jul 2013 23:18:57 +0200
4 Subject: [PATCH 29/57] serial: of: allow au1x00 and rt288x to load from OF
6 In order to make serial_8250 loadable via OF on Au1x00 and Ralink WiSoC we need
7 to default the iotype to UPIO_AU.
9 Signed-off-by: John Crispin <blogic@openwrt.org>
11 drivers/tty/serial/of_serial.c | 5 ++++-
12 1 file changed, 4 insertions(+), 1 deletion(-)
14 --- a/drivers/tty/serial/of_serial.c
15 +++ b/drivers/tty/serial/of_serial.c
16 @@ -102,7 +102,10 @@ static int of_platform_serial_setup(stru
17 port->fifosize = prop;
19 port->irq = irq_of_parse_and_map(np, 0);
20 - port->iotype = UPIO_MEM;
21 + if (of_device_is_compatible(np, "ralink,rt2880-uart"))
22 + port->iotype = UPIO_AU;
24 + port->iotype = UPIO_MEM;
25 if (of_property_read_u32(np, "reg-io-width", &prop) == 0) {