Re: [RFC PATCH] tty: serial: Add 8250-core based omap driver

[Javier Martinez Canillas]

On Thu, Jul 3, 2014 at 6:06 PM, Sebastian Reichel <sre@xxxxxxxxxx> wrote:
> Hi,
>
> On Thu, Jul 03, 2014 at 10:52:40AM -0500, Felipe Balbi wrote:
>> > DT is supposed to contain information about the hardware, so it
>> > should stay the same? I think there is no non-hackish way to decide
>>
>> compatible would change, at a minimum.
>
> why? I would expect it to stay the same (and the current patch uses
> the same compatible strings).
>

Exactly, the new driver must support all the compatible strings
defined in Documentation/devicetree/bindings/serial/omap_serial.tx
(which already does as you pointed out).

Otherwise the current drivers/tty/serial/omap-serial.c could never be
removed since that would mean breaking DT backward compatibility.

> -- Sebastian

Best regards,
Javier
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