Hi Rob,
On 01/26/2015 11:50 PM, Rob Herring wrote:
> Add mrvl,pxa-uart and mrvl,mmp-uart compatible strings for the of_serial
> driver. These are 8250 variants which have a port type of PORT_XSCALE.
>
> There is also the serial driver pxa.c with these compatible strings
> already. However, it can be replaced with the common 8250 driver. It has
> some issues like it cannot coexist with the 8250 driver due to tty name
> collision. That also means adding these compatible strings here should
> not case a problem.
So what determines which driver is controlling the port if both
drivers are built-in?
Regards,
Peter Hurley
> 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 3194b42..fbb719c 100644
> --- a/drivers/tty/serial/of_serial.c
> +++ b/drivers/tty/serial/of_serial.c
> @@ -335,6 +335,10 @@ static struct of_device_id of_platform_serial_table[] = {
> .data = (void *)PORT_ALTR_16550_F64, },
> { .compatible = "altr,16550-FIFO128",
> .data = (void *)PORT_ALTR_16550_F128, },
> + { .compatible = "mrvl,mmp-uart",
> + .data = (void *)PORT_XSCALE, },
> + { .compatible = "mrvl,pxa-uart",
> + .data = (void *)PORT_XSCALE, },
> #ifdef CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL
> { .compatible = "ibm,qpace-nwp-serial",
> .data = (void *)PORT_NWPSERIAL, },
>
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