linux-kernel - Re: [RFC PATCH 0/1] Categorize ARM dts directory

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Date:   Tue, 25 Apr 2023 10:57:57 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>
Cc:     Ansuel Smith <ansuelsmth@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-actions@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-omap@...r.kernel.org,
        linux-amlogic@...ts.infradead.org, linux-arm-kernel@...s.com,
        linux-aspeed@...ts.ozlabs.org,
        linux-rpi-kernel@...ts.infradead.org,
        chrome-platform@...ts.linux.dev, linux-renesas-soc@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        kernel@...electronics.com, linux-mediatek@...ts.infradead.org,
        openbmc@...ts.ozlabs.org, linux-tegra@...r.kernel.org,
        linux-oxnas@...ups.io, linux-arm-msm@...r.kernel.org,
        linux-unisoc@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org,
        linux-realtek-soc@...ts.infradead.org
Subject: Re: [RFC PATCH 0/1] Categorize ARM dts directory

On Tue, Apr 25, 2023 at 2:28 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Rob,
>
> On Tue, Apr 25, 2023 at 12:16 AM Rob Herring <robh+dt@...nel.org> wrote:
> > I have a script[1] that does the conversion written the last time this
> > came up. Just have to agree on directory names. I think the easiest
> > would be for Arnd/Olof to run it at the end of a merge window before
> > rc1.
>
> "emev2" and "sh7" are missing for renesas.

No doubt it's been bitrotting (or I may have missed some).

> Does your script also cater for .dts files not matching any pattern,
> but including a .dtsi file that does match a pattern?

I assume I built everything after moving, but maybe not...

That's all just "details". First, we need agreement on a) moving
things to subdirs and b) doing it 1-by-1 or all at once. So far we've
been stuck on a) for being 'too much churn'.

One nice thing with subdirs is 'make CHECK_DTBS=y
arch/arm/boot/dts/foo/' can build everything for a platform family
without having to mess with the kconfig. Maybe most folks don't care,
but I do. My CI job running schema checks looks like this to deal with
grouping the arm dts files (this list is probably out of date too, but
less so):

        if [ "$ARCH" = "arm" ]; then
            VENDOR_LIST="alphascale alpine artpec aspeed axm bcm cx9
(ecx|highbank) \
              efm ep7 imx1 imx23 imx28 imx27 imx5 imx6 imx7 ls vf qcom \
              (am3|am4|am5|dra|keystone|omap|compulab|logicpd|elpida|motorola-cpcap|da|dm)
\
              nspire armada dove kirkwood orion mvebu mmp2 berlin pxa
(arm-|integ|mps|ve) \
              (at91|sama|usb_|tny_|mpa1600|animeo_ip|aks-cdu|ethernut5|evk-pro3|pm9g45|ge86)
\
              exynos s3c s5p gemini (hisi|hi3|hip) mt meson moxa nuvo
lpc owl ox8 \
              (r7|r8|r9|emev2|sh73a|gr-|iwg) (rk|rv11) socfpga stm
(sti|st-pin) ste \
              spear (sun|axp) tegra uniph (vt8500|wm8) xen zynq"
        else
            VENDOR_LIST=$(ls arch/$ARCH/boot/dts/ | xargs)
        fi

Rob