In order to make serial_8250 loadable via OF on Ralink WiSoC we need to default
the iotype to UPIO_RT.
Signed-off-by: John Crispin <blogic@xxxxxxxxxxx>
---
drivers/tty/serial/of_serial.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index b025d54..42f8550 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -98,7 +98,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
port->regshift = prop;
port->irq = irq_of_parse_and_map(np, 0);
- port->iotype = UPIO_MEM;
+ if (of_device_is_compatible(np, "ralink,rt2880-uart"))
+ port->iotype = UPIO_AU;
+ else
+ port->iotype = UPIO_MEM;
if (of_property_read_u32(np, "reg-io-width", &prop) == 0) {
switch (prop) {
case 1:
--
1.7.10.4
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