linux-kernel - Re: [PATCH] arm64: dts: qcom: sdm630: remove refs to nonexistent clocks

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Date:   Wed, 19 Jul 2023 09:39:09 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Alexey Minnekhanov <alexeymin@...tmarketos.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sdm630: remove refs to nonexistent
 clocks

On 19/07/2023 09:35, Alexey Minnekhanov wrote:
> Since commit d6edc31f3a68 ("clk: qcom: smd-rpm: Separate out
> interconnect bus clocks") rpmcc-sdm660 no longer provides
> RPM_SMD_AGGR2_NOC_CLK and RPM_SMD_AGGR2_NOC_A_CLK clocks.
> Remove them to fix various probe failures and get devices
> booting again.

So that commit broke DTS?

> 
> Signed-off-by: Alexey Minnekhanov <alexeymin@...tmarketos.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm630.dtsi | 24 ++++++------------------
>  1 file changed, 6 insertions(+), 18 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> index 038ec7a41412..8bea611b246b 100644
> --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> @@ -638,10 +638,6 @@ anoc2_smmu: iommu@...0000 {
>  			compatible = "qcom,sdm630-smmu-v2", "qcom,smmu-v2";
>  			reg = <0x016c0000 0x40000>;
>  
> -			assigned-clocks = <&rpmcc RPM_SMD_AGGR2_NOC_CLK>;
> -			assigned-clock-rates = <1000>;
> -			clocks = <&rpmcc RPM_SMD_AGGR2_NOC_CLK>;
> -			clock-names = "bus";

It does not look like you tested the DTS against bindings. Please run
`make dtbs_check` (see
Documentation/devicetree/bindings/writing-schema.rst or
https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-sources-with-the-devicetree-schema/
for instructions).

Best regards,
Krzysztof