linux-kernel - Re: [PATCH] dt-bindings: trivial-devices: Remove the OV5642 entry

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Date:   Tue, 01 Aug 2023 18:18:29 -0300
From:   Fabio Estevam <festevam@...x.de>
To:     Conor Dooley <conor@...nel.org>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: trivial-devices: Remove the OV5642 entry

On 01/08/2023 18:13, Conor Dooley wrote:
> On Tue, Aug 01, 2023 at 06:10:52PM -0300, Fabio Estevam wrote:
>> On 01/08/2023 17:47, Conor Dooley wrote:
>> 
>> > Removing it without re-adding it elsewhere does not seem right, since
>> > there'll now be some undocumented compatibles in the tree, no?
>> 
>> Currently, there is no ov5642 support in the kernel.
> 
> It is present in devicetrees.

Yes, and none of them have the ov5642 camera functional:

arch/arm/boot/dts/nxp/imx/imx53-smd.dts
arch/arm/boot/dts/nxp/imx/imx6qdl-sabrelite.dtsi
arch/arm/boot/dts/nxp/imx/imx6qdl-sabresd.dtsi

>> If someone adds the support for the ov5642 camera, then a specific 
>> binding
>> will have to be created.
>> 
>> I prefer to remove it from trivial-devices to avoid confusion.
>> 
>> As is, it gives a false impression that ov5642 is supported and that 
>> it
>> is a trivial device.
> 
> The latter only do I agree with.

Care to explain how ov5642 is supported by the current mainline kernel?