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

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Date:   Mon, 21 Nov 2022 14:09:20 +0900
From:   Paul Elder <paul.elder@...asonboard.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
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 Sun, Nov 20, 2022 at 11:36:31AM +0100, Krzysztof Kozlowski wrote:
> 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?

That's why he's on the "From:" in the beginning. checkpatch says it's
fine.

> 
> > 
> >>
> >>> ---
> >>>  .../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.

Ah okay, I see.


Paul