linux-kernel - Re: [PATCH v4 2/3] dt-bindings: leds: add worldsemi,ws2812b

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Date:   Thu, 19 Jan 2023 14:46:46 +0000
From:   Lee Jones <lee@...nel.org>
To:     Chuanhong Guo <gch981213@...il.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Pavel Machek <pavel@....cz>, linux-leds@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Stanislav Jakubek <stano.jakubek@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Johan Hovold <johan+linaro@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Sven Schwermer <sven.schwermer@...ruptive-technologies.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 2/3] dt-bindings: leds: add worldsemi,ws2812b

On Sat, 14 Jan 2023, Chuanhong Guo wrote:

> Hi!
> 
> On Fri, Jan 13, 2023 at 10:57 PM Lee Jones <lee@...nel.org> wrote:
> > [...]
> > So the description is for 'this device' rather than any re-use.
> >
> > And the handling of this property is only contained in your driver?
> >
> > In which case, my understanding is that you should use a prefix.
> 
> (Just out of curiosity. I don't want this property now.)
> 
> My understanding is that a vendor prefix means this property
> is for devices by this vendor. However color-index is for supporting
> clones, which are chips not made by this vendor. Does a vendor
> prefix really apply in this case?

No idea.  Sounds like a grey area.

-- 
Lee Jones [李琼斯]