linux-kernel - Re: [PATCH 1/6] kbuild: Allow DTB overlays to built from .dtso named source files

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Message-ID: <CAMuHMdWSorMA8uBSfOQCBXpY+319Pb_fcaHX5B8o1=xxaaGofA@mail.gmail.com>
Date:   Mon, 24 Oct 2022 13:47:02 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Andrew Davis <afd@...com>
Cc:     Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Frank Rowand <frowand.list@...il.com>,
        devicetree@...r.kernel.org, linux-kbuild@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/6] kbuild: Allow DTB overlays to built from .dtso named
 source files

On Sun, Oct 23, 2022 at 8:24 PM 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.
>
> Signed-off-by: Andrew Davis <afd@...com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

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