On 15/04/13 20:14, Greg Kroah-Hartman wrote:
On Sat, Apr 13, 2013 at 11:33:36AM +0200, John Crispin wrote:
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;
Why are you putting device-specific things into a generic driver?
Shouldn't this be able to be described in device tree without relying on
an vendor-specific test in this driver?
greg k-h
Hi Greg,
would 'reg-io-type = "au";' sound better to you ?
John
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