linux-kernel - Re: [PATCH 5/2] dt-bindings: interconnect: Remove sc7180/sdx55 ipa compatibles

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Date:   Fri, 15 Apr 2022 15:15:21 -0500
From:   Alex Elder <elder@...aro.org>
To:     Stephen Boyd <swboyd@...omium.org>,
        Georgi Djakov <djakov@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        Doug Anderson <dianders@...omium.org>,
        Taniya Das <quic_tdas@...cinc.com>,
        Mike Tipton <quic_mdtipton@...cinc.com>
Subject: Re: [PATCH 5/2] dt-bindings: interconnect: Remove sc7180/sdx55 ipa
 compatibles

On 4/14/22 7:58 PM, Stephen Boyd wrote:
> These interconnects are modeled as clks, not interconnects, therefore
> remove the compatibles from the binding as they're unused.
> 
> Cc: Alex Elder <elder@...aro.org>
> Cc: Taniya Das <quic_tdas@...cinc.com>
> Cc: Mike Tipton <quic_mdtipton@...cinc.com>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>

What's the proper thing to do for properties that stop being
used?  Do we delete them, like this, or deprecate them somehow?
Old DTBs might define the values that are deleted here.

Shouldn't devicetree@...r.kernel.org
  be copied on this and
the other DTS patches?

					-Alex

> ---
> 
> I don't know who should apply this. Probably whoever takes the dtsi
> patches, Bjorn?, because otherwise dt_bindings_check will fail.
> 
>   Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
> index 5a911be0c2ea..ab859150c7f7 100644
> --- a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
> +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
> @@ -31,7 +31,6 @@ properties:
>         - qcom,sc7180-config-noc
>         - qcom,sc7180-dc-noc
>         - qcom,sc7180-gem-noc
> -      - qcom,sc7180-ipa-virt
>         - qcom,sc7180-mc-virt
>         - qcom,sc7180-mmss-noc
>         - qcom,sc7180-npu-noc
> @@ -68,7 +67,6 @@ properties:
>         - qcom,sdm845-mem-noc
>         - qcom,sdm845-mmss-noc
>         - qcom,sdm845-system-noc
> -      - qcom,sdx55-ipa-virt
>         - qcom,sdx55-mc-virt
>         - qcom,sdx55-mem-noc
>         - qcom,sdx55-system-noc