linux-kernel - Re: [RFC PATCH v2 1/6] Documentation: DT: Add entry for CDX controller

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Date:   Tue, 6 Sep 2022 09:20:44 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "Gupta, Nipun" <Nipun.Gupta@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "rafael@...nel.org" <rafael@...nel.org>,
        "eric.auger@...hat.com" <eric.auger@...hat.com>,
        "alex.williamson@...hat.com" <alex.williamson@...hat.com>,
        "cohuck@...hat.com" <cohuck@...hat.com>,
        "Gupta, Puneet (DCG-ENG)" <puneet.gupta@....com>,
        "song.bao.hua@...ilicon.com" <song.bao.hua@...ilicon.com>,
        "mchehab+huawei@...nel.org" <mchehab+huawei@...nel.org>,
        "maz@...nel.org" <maz@...nel.org>,
        "f.fainelli@...il.com" <f.fainelli@...il.com>,
        "jeffrey.l.hugo@...il.com" <jeffrey.l.hugo@...il.com>,
        "saravanak@...gle.com" <saravanak@...gle.com>,
        "Michael.Srba@...nam.cz" <Michael.Srba@...nam.cz>,
        "mani@...nel.org" <mani@...nel.org>,
        "yishaih@...dia.com" <yishaih@...dia.com>,
        "jgg@...pe.ca" <jgg@...pe.ca>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>
Cc:     "okaya@...nel.org" <okaya@...nel.org>,
        "Anand, Harpreet" <harpreet.anand@....com>,
        "Agarwal, Nikhil" <nikhil.agarwal@....com>,
        "Simek, Michal" <michal.simek@....com>,
        "git (AMD-Xilinx)" <git@....com>
Subject: Re: [RFC PATCH v2 1/6] Documentation: DT: Add entry for CDX
 controller

On 06/09/2022 09:03, Gupta, Nipun wrote:
>> On 05/09/2022 16:05, Gupta, Nipun wrote:
>>>>> +
>>>>> +    cdxbus: cdxbus@@4000000 {
>>>>
>>>> Node names should be generic, so "cdx"
>>>
>>> Would be using bus: cdxbus@...0000.
>>> Kindly correct me if this does not seem to be correct.
>>
>> I don't understand it. I asked to change cdxbus to cdx, but you said you
>> will be using "bus" and "cdxbus"? So what exactly are you going to use?
>> And how does it match generic node name recommendation?
> 
> I was also confused with the name suggestion as in one of the mail you
> sent out later, you mentioned:
> " Eh, too fast typing, obviously the other part of the name... node names
> should be generic, so just "bus"."
> 
> That is why needed to confirm. To me now "cdx: cdx@...0000" makes sense.
> Hope this seems correct?

If cdx is a name of some standard bus or interface (just like i2c, pci,
can), then feel free to use "cdx". If on the other hand it is just name
of your devices (specific to Xilinx), then more appropriate feels "bus",
because cdx would be specific. Anyway one of these two.

Best regards,
Krzysztof