linux-kernel - Re: [PATCH] arm64: dts: qcom: Remove unused and undocumented properties

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Message-ID: <CAL_JsqKZb6X+XVr+yWbzbi6FhgJkcd9k1ai=y6U4eujz4Tfqng@mail.gmail.com>
Date: Mon, 16 Dec 2024 08:00:25 -0600
From: Rob Herring <robh@...nel.org>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: "Aiqun Yu (Maria)" <quic_aiquny@...cinc.com>, Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konradybcio@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: Remove unused and undocumented properties

On Mon, Dec 16, 2024 at 6:42 AM Konrad Dybcio
<konrad.dybcio@....qualcomm.com> wrote:
>
> On 16.12.2024 4:42 AM, Aiqun Yu (Maria) wrote:
> > On 11/16/2024 3:36 AM, Konrad Dybcio wrote:
> >> On 15.11.2024 8:34 PM, Rob Herring (Arm) wrote:
> >>> Remove properties which are both unused in the kernel and undocumented.
> >>> Most likely they are leftovers from downstream.
> >>>
> >>> Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
> >>> ---
> >>
> >> Funny, the sideinteraction compatible is undocumented and the touchscreen
> >> driver is not upstream
> >
> > Does the compatible also need to be fixed to "focaltech,ft8719"? Refer
> > to the info from [1].
>
> +Alexander, Caleb - would you like to look into this on axolotl?
>
> > Confirmed, the compatible "focaltech,fts8719" is not even in any merged
> > bindings or drivers. Instead, "focaltech,ft8719" is in the current
> > driver and bindings.
> >
> > By the way, I am curious about how Rob finds the unused properties.
> > Could you share some steps?
>
> make ARCH=arm64 LLVM=1 -j24 CHECK_DTBS=1 dtbs
>
> returns all kinds of errors, including "undocumented property"

This case however was a dtschema change I have not yet committed.
Plenty of other things to fix still with the above command though. :(

Rob