Re: [PATCH 7/7] serial: 8250_dw: allow enable rs485 at boot time

From: Heiko Stübner
Date: Wed Mar 18 2020 - 14:32:06 EST


Am Mittwoch, 18. März 2020, 19:28:12 CET schrieb Heiko Stübner:
> Am Mittwoch, 18. März 2020, 16:16:15 CET schrieb Andy Shevchenko:
> > On Wed, Mar 18, 2020 at 03:26:40PM +0100, Heiko Stuebner wrote:
> > > From: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxx>
> > >
> > > If "linux,rs485-enabled-at-boot-time" is specified need to setup 485
> > > in probe function.
> > >
> > > Call uart_get_rs485_mode() to get rs485 configuration, then call
> > > rs485_config() callback directly to setup port as rs485.
> >
> > I think you really need to Cc the new version of this to Lukas.
> > Because I have a deja vu that I have seen half of this to be similar what he
> > had done in his work.
>
> Could you give me a pointer to that work?

Ignore this mail please, found the stuff in tty-next ;-)

Heiko


> When I initially searched for previous rs485 on 8250_dw stuff I only
> found the series from 2018 I linked to in the cover-letter, so if there
> is other work somewhere else a pointer to it would be very helpful
> for me.
>
> Thanks
> Heiko
>