[PATCH] serial: omap: make Linux console name configurable

Sascha Hauer s.hauer at pengutronix.de
Wed Mar 19 04:01:30 PDT 2025


On Wed, Mar 19, 2025 at 11:55:53AM +0100, Ahmad Fatoum wrote:
> Hello Sascha,
> 
> On 3/19/25 11:22, Sascha Hauer wrote:
> > Depending on the configuration Linux on OMAP SoCs either needs ttyO or
> > ttyS as console name. We used to pass ttyO, but c1c0d18973
> > ("serial: omap: Use ttyS as Linux console name") recently changed this
> > to ttyS which breaks setups that used to work earlier. Make the
> > name configurable to allow for setups requiring ttyS and use ttyO
> > as default to keep existing setups working.
> > 
> > Note that with ti,am4372-uart we used to pass ttyO as well, but this
> > specific compatible is only supported by the 8250 based driver which
> > needs ttyS as console name. 
> 
> This reads as if 8250_omap supports only ttyS, but it has logic to
> support ttyO as well.

s/needs/prefers/ maybe

Sascha

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