linux-kernel - Re: [PATCH] kbuild: Allow DTB overlays to built from .dtso named source files

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Message-ID: <CAMuHMdV2euzPQL35AqBsyeQTkMbkeFz4rk48wtyX7Hd6Lz5d-g@mail.gmail.com>
Date:   Fri, 21 Oct 2022 08:52:12 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Andrew Davis <afd@...com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        devicetree@...r.kernel.org, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, Frank Rowand <frowand.list@...il.com>
Subject: Re: [PATCH] kbuild: Allow DTB overlays to built from .dtso named
 source files

Hi Rob,

On Fri, Oct 21, 2022 at 12:47 AM Rob Herring <robh+dt@...nel.org> wrote:
> On Fri, Oct 14, 2022 at 10:13 AM Andrew Davis <afd@...com> wrote:
> > Currently DTB Overlays (.dtbo) are build from source files with the same
> > extension (.dts) as the base DTs (.dtb). This may become confusing and
> > even lead to wrong results. For example, a composite DTB (created from a
> > base DTB and a set of overlays) might have the same name as one of the
> > overlays that create it.
> >
> > Different files should be generated from differently named sources.
> >  .dtb  <-> .dts
> >  .dtbo <-> .dtso
> >
> > We do not remove the ability to compile DTBO files from .dts files here,
> > only add a new rule allowing the .dtso file name. The current .dts named
> > overlays can be renamed with time. After all have been renamed we can
> > remove the other rule.
>
> There was a patch from Geert converting everything. I'd rather not
> support both ways.

Actually that was a patch from Frank?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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