linux-kernel - Re: [PATCH v2 00/15] auxdisplay: linedisp: Clean up and add new driver

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Message-ID: <CAMuHMdWKAf_Yi59RWoA5=K=ajS0-+Vn8tgwzy5tAzLmqizZLtg@mail.gmail.com>
Date: Thu, 15 Feb 2024 12:05:37 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Rob Herring <robh+dt@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	Robin van der Gracht <robin@...tonic.nl>, Paul Burton <paulburton@...nel.org>
Subject: Re: [PATCH v2 00/15] auxdisplay: linedisp: Clean up and add new driver

Hi Andy,

On Wed, Feb 14, 2024 at 7:45 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> On Wed, Feb 14, 2024 at 6:57 PM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> > On Mon, Feb 12, 2024 at 07:01:33PM +0200, Andy Shevchenko wrote:
> > > Add a new initial driver for Maxim MAX6958/6959 chips.
> > > While developing that driver I realised that there is a lot
> > > of duplication between ht16k33 and a new one. Hence set of
> > > cleanups and refactorings.
> > >
> > > Note, the new driver has minimum support of the hardware and
> > > I have plans to cover more features in the future.
> > >
> > > In v2:
> > > - updated DT bindings to follow specifications and requirements (Krzysztof)
> > > - unified return code variable (err everywhere)
> > > - left patches 10 and 13 untouched, we may amend later on (Robin)
> >
> > Geert, I would like to apply at least the first 13 patches.
> > Do you have any comments or even possibility to perform a regression test?
>
> I'll try to give it a try on my Adafruit Quad 14-segment display tomorrow..

With the missing return-statement added, the ht16k33 driver builds
and works fine: the kernel version is happily scrolling by.
I didn't test userspace line display control, as there is an issue
with the uSD interface on my OrangeCrab, preventing it from booting
into userspace.

Tested-by: Geert Uytterhoeven <geert@...ux-m68k.org>

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