linux-kernel - Re: [PATCH 09/20] dt-bindings: pinctrl: ralink: {mt7620,mt7621}: rename to mediatek

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Message-ID: <9663817e-7f6f-c3b1-8bf9-321f9b067e96@linaro.org>
Date:   Thu, 9 Mar 2023 10:52:48 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Arınç ÜNAL <arinc.unal@...nc9.com>,
        Rob Herring <robh@...nel.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-mediatek@...ts.infradead.org, linux-mips@...r.kernel.org,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Sergio Paracuellos <sergio.paracuellos@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...nel.org>,
        William Dean <williamsukatube@...il.com>,
        Daniel Golle <daniel@...rotopia.org>,
        Daniel Santos <daniel.santos@...ox.com>,
        Luiz Angelo Daros de Luca <luizluca@...il.com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Sean Wang <sean.wang@...iatek.com>, erkin.bozoglu@...ont.com
Subject: Re: [PATCH 09/20] dt-bindings: pinctrl: ralink: {mt7620,mt7621}:
 rename to mediatek

On 09/03/2023 08:53, Arınç ÜNAL wrote:
> On 9.03.2023 00:19, Arınç ÜNAL wrote:
>> On 9.03.2023 00:05, Rob Herring wrote:
>>> On Fri, Mar 03, 2023 at 03:28:38AM +0300, arinc9.unal@...il.com wrote:
>>>> From: Arınç ÜNAL <arinc.unal@...nc9.com>
>>>>
>>>> This platform from Ralink was acquired by MediaTek in 2011. Then, 
>>>> MediaTek
>>>> introduced these SoCs which utilise this platform. Rename the schemas to
>>>> mediatek to address the incorrect naming.
>>>
>>> I said we don't do renames due to acquistions, you said that wasn't the
>>> reason, but then that's your reasoning here.
>>
>> It's not a marketing/acquistion rename as the name of these SoCs were 
>> wrong from the get go. The information on the first sentence is to give 
>> the idea of why these SoCs were wrongfully named as the base platform 
>> that these new MediaTek SoCs share code with was called Ralink.
>>
>>>
>>> To give you another example, *new* i.MX things are still called
>>> 'fsl,imx...' and it has been how many years since merging with NXP?
>>
>> Ok this is a point I see now. Though, I fail to see how this is called 
>> renaming when there's only new SoCs (from NXP in this case) to be added.
> 
> If I understand correctly, i.MX is a family from Freescale so the name 

It's the same "family" as your platform, because as you said:
"introduced these SoCs which utilise this platform"

> was kept the same on new SoC releases from NXP. I believe it's different 
> in this case here. There's no family name. The closest thing on the name 
> of the SoC model is, it's RT for Ralink, MT for MediaTek.

It's not about the name. NXP took Freescale platform and since many
years makes entirely new products, currently far, far away from original
platform.

That's the same case you have here - Mediatek took existing platform and
started making new products with it.

> 
> On top of that, mediatek strings already exist for MT SoCs already, at 
> least for MT7621.
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/tree/Documentation/devicetree/bindings/mips/ralink.yaml?id=dd3cb467ebb5659d6552999d6f16a616653f9933#n83

NXP also has compatibles with nxp, thus still not that good reason.

Best regards,
Krzysztof