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

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Message-ID: <2783a3ba-8fcb-7e5f-3147-91d02e573ba4@kernel.org>
Date:   Tue, 2 May 2023 22:02:03 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Rob Herring <robh+dt@...nel.org>, Arnd Bergmann <arnd@...db.de>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Olof Johansson <olof@...om.net>,
        Christian Marangi <ansuelsmth@...il.com>,
        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 <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 <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-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,
        Shawn Guo <shawnguo@...nel.org>
Subject: Re: [RFC PATCH 0/1] Categorize ARM dts directory

On 02/05/2023 21:40, Rob Herring wrote:
> On Tue, May 2, 2023 at 3:15 AM Arnd Bergmann <arnd@...db.de> wrote:
>>
>> On Tue, Apr 25, 2023, at 17:57, Rob Herring wrote:
>>> On Tue, Apr 25, 2023 at 2:28 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>>>
>>>> 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'.
>>
>> Sorry for missing most of the discussion last week. The script sounds
>> fine to me, the only reason I didn't want to do this in the past is that
>> we had the plan to move platforms out of the kernel tree to an external
>> repository and I wanted to do this platform at a time and also only move
>> each one once. I don't think that is going to happen anytime soon now,
>> so let's just do your script.
>>
>> Can you send me the script and/or a pull request of the resulting
>> tree based on my soc/dt branch? Everything is merged upstream,
>> and I think git-merge would handle the remaining merges with any
>> other changes in mainline.
> 
> I've dusted off my script and made a branch[1] with the result.
> There's just a couple of fixes needed after the script is run (see the
> top commit). The cross arch includes are all fixed up by the script.
> dtbs_install maintains a flat install. I compared the number of .dtbs
> before and after to check the script.
> 
> I think the only issue remaining is finalizing the mapping of
> platforms to subdirs. What I have currently is a mixture of SoC
> families and vendors. The most notable are all the Freescale/NXP
> platforms, pxa, socfpga, and stm32. It's not consistent with arm64
> either. Once that's finalized, I still need to go update MAINTAINERS.
> 
> Here's the current mapping:
> 
> vendor_map = {
>     'alphascale' : 'alphascale',
>     'alpine' : 'alpine',
>     'artpec' : 'axis',
>     'axm' : 'lsi',
>     'cx9' : 'cnxt',
>     'ecx' : 'calxeda',
>     'highbank' : 'calxeda',
>     'ep7' : 'cirrus',
>     'mxs': 'mxs',
>     'imx23': 'mxs',
>     'imx28': 'mxs',
>     'sun' : 'allwinner',
>     'imx': 'imx',
>     'e6' : 'imx',
>     'e7' : 'imx',
>     'mba6' : 'imx',
>     'ls': 'fsl',
>     'vf': 'fsl',

If I remember correctly, Vybrid are a bit closer to iMX than to LS
(Layerscape), but it should be Shawn's call (+Cc).

>     'qcom': 'qcom',
>     'am3' : 'ti',
>     'am4' : 'ti',
>     'am5' : 'ti',
>     'dra' : 'ti',
>     'keystone' : 'ti',
>     'omap' : 'ti',
>     'compulab' : 'ti',
>     'logicpd' : 'ti',
>     'elpida' : 'ti',
>     'motorola' : 'ti',
>     'twl' : 'ti',
>     'da' : 'ti',
>     'dm' : 'ti',
>     'nspire' : 'nspire',
>     'armada' : 'marvell',
>     'dove' : 'marvell',
>     'kirkwood' : 'marvell',
>     'orion' : 'marvell',
>     'mvebu' : 'marvell',
>     'mmp' : 'marvell',
>     'berlin' : 'berlin',
>     'pxa2' : 'pxa',
>     'pxa3' : 'pxa',
>     'pxa' : 'marvell',
>     'arm-' : 'arm',
>     'integ' : 'arm',
>     'mps' : 'arm',
>     've' : 'arm',
>     'aspeed' : 'aspeed',
>     'ast2' : 'aspeed',
>     'facebook' : 'aspeed',
>     'ibm' : 'aspeed',
>     'openbmc' : 'aspeed',
>     'en7' : 'airoha',
>     'at91' : 'microchip',
>     'sama' : 'microchip',
>     'sam9' : 'microchip',
>     'usb_' : 'microchip',
>     'tny_' : 'microchip',
>     'mpa1600' : 'microchip',
>     'animeo_ip' : 'microchip',
>     'aks-cdu' : 'microchip',
>     'ethernut5' : 'microchip',
>     'evk-pro3' : 'microchip',
>     'pm9g45' : 'microchip',
>     'ge86' : 'microchip',
>     'bcm' : 'brcm',
>     'exynos' : 'samsung',
>     's3c' : 'samsung',
>     's5p' : 'samsung',

For samsung looks good.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

>     'gemini' : 'gemini',
>     'hi3' : 'hisilicon',
>     'hip' : 'hisilicon',
>     'hisi' : 'hisilicon',
>     'sd5' : 'hisilicon',
>     'hpe' : 'hpe',
>     'intel': 'intel',
>     'mt' : 'mediatek',
>     'meson' : 'meson',
>     'moxa' : 'moxa',
>     'mstar' : 'mstar',
>     'nuvo' : 'nuvoton',
>     'lpc' : 'lpc',
>     'lan96' : 'microchip',
>     'owl' : 'actions',
>     'ox8' : 'oxsemi',
>     'rda' : 'rda',
>     'rtd' : 'realtek',
>     'r7' : 'renesas',
>     'r8' : 'renesas',
>     'r9' : 'renesas',
>     'emev2' : 'renesas',
>     'sh73a' : 'renesas',
>     'gr-' : 'renesas',
>     'iwg' : 'renesas',
>     'rk' : 'rockchip',
>     'rv11' : 'rockchip',
>     'rockchip' : 'rockchip',
>     'socfpga' : 'socfpga',
>     'stm' : 'stm32',
>     'sti' : 'sti',
>     'st-pin' : 'sti',
>     'ste' : 'st-ericsson',
>     'spear' : 'spear',
>     'axp' : 'allwinner',
>     'tegra' : 'nvidia',
>     'milbeaut' : 'socionext',
>     'uniph' : 'socionext',
>     'vt8500' : 'vt8500',
>     'wm8' : 'vt8500',
>     'xen' : 'xen',
>     'zx' : 'zte',
>     'zynq' : 'xilinx',

The rest looks good to me, but I don't know half of these :)

Best regards,
Krzysztof