linux-kernel - Re: [PATCH 6/8] dt-bindings: vendor-prefixes: add LG Electronics

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Message-ID: <5220943.AHGTne7y6d@g550jk>
Date:   Mon, 13 Sep 2021 21:14:14 +0200
From:   Luca Weiss <luca@...tu.xyz>
To:     linux-arm-msm@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, bartosz.dudziak@...jp.pl,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Oleksij Rempel <linux@...pel-privat.de>,
        Sam Ravnborg <sam@...nborg.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Daniel Palmer <daniel@...f.com>,
        Max Merchel <Max.Merchel@...group.com>,
        Hao Fang <fanghao11@...wei.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/8] dt-bindings: vendor-prefixes: add LG Electronics

Hi Krzysztof,

On Montag, 13. September 2021 10:49:43 CEST Krzysztof Kozlowski wrote:
> On 12/09/2021 01:27, Luca Weiss wrote:
> > LG Electronics is a part of the LG Corporation and produces, amongst
> > other things, consumer electronics such as phones and smartwatches.
> 
> Hi,
> 
> Thanks for the patches.
> 
> I think "lge" it's the same prefix as "lg". There is no sense in having
> multiple vendor prefixes just because company splits inside business
> units or subsidiaries. The same as with other conglomerates, e.g.
> Samsung - if we wanted to be specific, there will be 4-5 Samsung
> vendors... Not mentioning that company organisation is not always
> disclosed and can change.
> 

I was mostly following qcom-msm8974-lge-nexus5-hammerhead as it's the other LG 
device tree I am aware of so I've picked lge instead of lg. Also worth noting 
that Google uses "LGE" in the Android device tree[1] or in the model name in 
the LG G Watch R kernel sources ("LGE APQ 8026v2 LENOK rev-1.0").

I don't have a strong opinion either way so I'm fine with either.

If we decide to go with "lg" do we want to change the Nexus 5 devicetree 
(hammerhead) also, that one has the lge name in at least compatible and 
filename (I don't know how much of a breaking change that would be considered 
as).

> We already have lg for several components, also made by LG Electronics.
> What about these?
> 
> There is only one device with "lge", added back in 2016 without adding
> vendor prefix. I would propose to fix that one, instead of keeping
> duplicated "lg".
> 
> Best regards,
> Krzysztof

Regards
Luca

[1] https://android.googlesource.com/device/lge/hammerhead/