linux-kernel - Re: [PATCH 1/6] arm64: dts: qcom: sm8250: drop incorrect domain idle states properties

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Date:   Wed, 29 Mar 2023 11:52:39 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     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>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Neil Armstrong <neil.armstrong@...aro.org>
Subject: Re: [PATCH 1/6] arm64: dts: qcom: sm8250: drop incorrect domain idle
 states properties

On Fri, 24 Mar 2023 at 08:38, Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> Domain idle states do not use 'idle-state-name' and 'local-timer-stop':
>
>   sm8250-hdk.dtb: domain-idle-states: cluster-sleep-0: 'idle-state-name', 'local-timer-stop' do not match any of the regexes: 'pinctrl-[0-9]+'
>
> Reported-by: Neil Armstrong <neil.armstrong@...aro.org>
> Link: https://lore.kernel.org/all/20230323-topic-sm8450-upstream-dt-bindings-fixes-v1-4-3ead1e418fe4@linaro.org/
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>

> ---
>  arch/arm64/boot/dts/qcom/sm8250.dtsi | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> index 79d67b466856..9cf2de87c632 100644
> --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> @@ -354,12 +354,10 @@ BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
>                 domain-idle-states {
>                         CLUSTER_SLEEP_0: cluster-sleep-0 {
>                                 compatible = "domain-idle-state";
> -                               idle-state-name = "cluster-llcc-off";

FYI: If someone wants to add support for this property, I wouldn't mind.

>                                 arm,psci-suspend-param = <0x4100c244>;
>                                 entry-latency-us = <3264>;
>                                 exit-latency-us = <6562>;
>                                 min-residency-us = <9987>;
> -                               local-timer-stop;
>                         };
>                 };
>         };
> --
> 2.34.1
>

Kind regards
Uffe