linux-kernel - Re: [PATCH v5 02/25] auxdisplay: Introduce hd44780

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Date:   Tue, 3 Nov 2020 09:46:10 +0100
From:   Lars Poeschel <poeschel@...onage.de>
To:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc:     Willy Tarreau <willy@...roxy.com>,
        Ksenija Stanojevic <ksenija.stanojevic@...il.com>,
        open list <linux-kernel@...r.kernel.org>,
        Willy Tarreau <w@....eu>
Subject: Re: [PATCH v5 02/25] auxdisplay: Introduce hd44780_common.[ch]

On Sat, Oct 31, 2020 at 10:26:30AM +0100, Miguel Ojeda wrote:
> Hi Lars,
> 
> On Thu, Oct 29, 2020 at 10:57 AM <poeschel@...onage.de> wrote:
> >
> > diff --git a/drivers/auxdisplay/Kconfig b/drivers/auxdisplay/Kconfig
> > index 81757eeded68..a56171d1a1ba 100644
> > --- a/drivers/auxdisplay/Kconfig
> > +++ b/drivers/auxdisplay/Kconfig
> > @@ -14,12 +14,31 @@ menuconfig AUXDISPLAY
> >
> >           If you say N, all options in this submenu will be skipped and disabled.
> >
> > +config CHARLCD
> > +       tristate "Character LCD core support" if COMPILE_TEST
> > +       help
> > +         This is the base system for character-based LCD displays.
> > +         It makes no sense to have this alone, you select your display driver
> > +         and if it needs the charlcd core, it will select it automatically.
> > +         This is some character LCD core interface that multiple drivers can
> > +         use.
> > +
> > +config HD44780_COMMON
> > +       tristate "Common functions for HD44780 (and compatibles) LCD displays" if COMPILE_TEST
> > +       help
> > +         This is a module with the common symbols for HD44780 (and compatibles)
> > +         displays. This is the code that multiple other modules use. It is not
> > +         useful alone. If you have some sort of HD44780 compatible display,
> > +         you very likely use this. It is selected automatically by selecting
> > +         your concrete display.
> > +
> >  if AUXDISPLAY
> >
> 
> These two should be after `if AUXDISPLAY`, no? I noticed the menu is
> broken when I went to compile test this (the options appear outside
> and the auxdisplay menu is empty). Perhaps you don't use menuconfig so
> you didn't see it?

I did see it and had a look and did not spot anything obvious (to me).
So I put this aside as "This is supposed to be this way."

> Sorry I missed this in previous iterations...

No need to be sorry. In the end it's my fault. I fix this.

Regards,
Lars