linux-kernel - Re: [PATCH v3 02/14] dt-bindings: media: rkisp1: Add i.MX8MP ISP example

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Date:   Sun, 20 Nov 2022 11:36:31 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Paul Elder <paul.elder@...asonboard.com>
Cc:     linux-media@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Dafna Hirschfeld <dafna@...tmail.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Helen Koike <helen.koike@...labora.com>,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 02/14] dt-bindings: media: rkisp1: Add i.MX8MP ISP
 example

On 19/11/2022 07:55, Paul Elder wrote:
> On Fri, Nov 18, 2022 at 02:06:14PM +0100, Krzysztof Kozlowski wrote:
>> On 18/11/2022 10:39, Paul Elder wrote:
>>> From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
>>>
>>> Add an example to the rockchip-isp1 DT binding that showcases usage of
>>> the parallel input of the ISP, connected to the CSI-2 receiver internal
>>> to the i.MX8MP.
>>>
>>> Signed-off-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
>>
>> Missing SoB.
> 
> I don't quite understand. I see an SoB right there.

Laurent did not sent it. Did you run checkpatch before sending?

> 
>>
>>> ---
>>>  .../bindings/media/rockchip-isp1.yaml         | 72 +++++++++++++++++++
>>>  1 file changed, 72 insertions(+)
>>>
>>
>> I don't know what do you demonstrate there... usage of endpoints? That's
>> the only difference. Such usage is the same everywhere, nothing specific
> 
> I guess...? Doesn't the same argument apply against the px30 example too
> then?
> 
>> to this example. You already have two examples, so I don't think this
>> brings anything more.
> 
> We do have usage of this in imx8mp.dtsi and overlays for the ISP, but
> those patches haven't been sent/merged yet, so in the meantime I think
> there is value in providing an example here for the imx8mp.

The examples are not for demonstrating imx8mp or any other soc, but this
one given binding. Changing compatibles and few properties is not a
different example - from "exampleness" point of view it is very similar.

Best regards,
Krzysztof