linux-kernel - Re: [PATCH v2] arm64: dts: qcom: sa8775p: Add RPMh sleep stats

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Date:   Tue, 26 Sep 2023 10:53:59 -0500
From:   Andrew Halaney <ahalaney@...hat.com>
To:     Raghavendra Kakarla <quic_rkakarla@...cinc.com>
Cc:     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>, quic_mkshah@...cinc.com,
        quic_lsrao@...cinc.com, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: qcom: sa8775p: Add RPMh sleep stats

On Tue, Sep 26, 2023 at 10:18:14AM +0530, Raghavendra Kakarla wrote:
> Add device node for sleep stats driver which provides various
> low power mode stats.
> 
> Cc: devicetree@...r.kernel.org
> Signed-off-by: Raghavendra Kakarla <quic_rkakarla@...cinc.com>

Tested-by: Andrew Halaney <ahalaney@...hat.com>

I took this for a quick spin when testing -next today, and I see the
qcom_stats directory, can view the file output, etc. Probably good enough
to consider this simple change tested. I also don't see any new issues
when running:
ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make CHECK_DTBS=1 qcom/sa8775p-ride.dtb

> ---

Generally you should put a description of what changed since v1
in this section.

>  arch/arm64/boot/dts/qcom/sa8775p.dtsi | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> index 9f4f58e831a4..cee7491de675 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> @@ -1912,6 +1912,11 @@
>  			#clock-cells = <0>;
>  		};
>  
> +		sram@...0000 {
> +			compatible = "qcom,rpmh-stats";
> +			reg = <0 0x0c3f0000 0 0x400>;
> +		};
> +
>  		spmi_bus: spmi@...0000 {
>  			compatible = "qcom,spmi-pmic-arb";
>  			reg = <0x0 0x0c440000 0x0 0x1100>,
> -- 
> 2.17.1
>