linux-kernel - Re: [PATCH v3 4/4] ARM: dts: marvell: Indicate USB activity on x530

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Message-ID: <CAMuHMdVuiYdjV46aS2fqPsFdW-vGK7zm_sY-LbWGYg4U0Ar5yQ@mail.gmail.com>
Date: Mon, 4 Mar 2024 20:01:58 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: Andy Shevchenko <andy@...nel.org>, Chris Packham <chris.packham@...iedtelesis.co.nz>, 
	robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, 
	andrew@...n.ch, gregory.clement@...tlin.com, sebastian.hesselbarth@...il.com, 
	pavel@....cz, lee@...nel.org, linux-leds@...r.kernel.org, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 4/4] ARM: dts: marvell: Indicate USB activity on x530

Hi Andy,

On Mon, Mar 4, 2024 at 7:17 PM Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
> On Mon, Mar 4, 2024 at 11:57 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> > On Sun, Mar 3, 2024 at 9:43 PM Andy Shevchenko
> > <andy.shevchenko@...il.com> wrote:
>
> ...
>
> > So IMHO it would be a bad idea to make the DP mandatory.
>
> But I'm not talking about making it mandatory, I'm talking about the

OK.

> DP to be used as DP when it _is_ present and wired. If current
> platform wants to use DP for something else, I'm pretty much worried
> that this is the right thing to do.

There is not much we can do about that. People can already model
such displays as individual LEDs, too.
And in some sense, the auxdisplay/linedisp driver for
"generic-gpio-7seg" imposes a policy, too.
What if people want to e.g. use 4 7-seg displays to show a continuously
running snake?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68korg

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds