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Date: Wed, 19 Mar 2025 12:16:13 +0100
From: Sascha Hauer <s.hauer@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
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Subject: Re: [PATCH] serial: omap: make Linux console name configurable
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On Wed, Mar 19, 2025 at 12:03:31PM +0100, Ahmad Fatoum wrote:
>
>
> On 3/19/25 12:01, Sascha Hauer wrote:
> > 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
>
> Ye, further below there is also 'will also have no effect', which is not
> true as it hides an ugly error message.
>
> Can you reword these two parts and make the option default ARCH_K3?
ARCH_K3 doesn't need this option.
Sascha
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