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

From: Robert Nelson
Date: Wed Jul 02 2014 - 15:26:08 EST


On Wed, Jul 2, 2014 at 2:09 PM, Aaro Koskinen <aaro.koskinen@xxxxxx> wrote:
> Hi,
>
> On Wed, Jul 02, 2014 at 11:09:32AM -0500, Felipe Balbi wrote:
>> > It has been only tested as console UART.
>> > The tty name is ttyS based instead of ttyO. How big is the pain here,
>> > what could be the easiest way to provide compatibility?
>>
>> have been considering that myself for months. You could pass an optional
>> argument to serial8250_register_8250_port() but that only solves part of
>> the problem :-(
>
> When ttyS -> ttyO change was done on OMAP, compatibility was not an issue.
> Why should we care about it now?

It would be a good opportunity to force everyone to update their bootloader. ;)

Besides the BeagleBoard forum is quiet now, no one is complaining
about that old (ttyS -> ttyO) transition anymore..

I'll just end up carrying a patch like, to support bb.org users over
the transition..

https://github.com/RobertCNelson/stable-kernel/blob/v3.7.x/patches/omap_beagle/0004-zeroMAP-Open-your-eyes.patch

Regards,

--
Robert Nelson
http://www.rcn-ee.com/
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