linux-kernel - Re: [Patch v5 6/6] arm64: dts: qcom: Indicate rpmhpd hosts a power domain that can be used as a warming device.

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Date:   Fri, 27 Mar 2020 15:54:54 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Thara Gopinath <thara.gopinath@...aro.org>
Cc:     rui.zhang@...el.com, ulf.hansson@...aro.org,
        daniel.lezcano@...aro.org, agross@...nel.org, robh@...nel.org,
        amit.kucheria@...durent.com, mark.rutland@....com,
        rjw@...ysocki.net, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [Patch v5 6/6] arm64: dts: qcom: Indicate rpmhpd hosts a power
 domain that can be used as a warming device.

On Thu 19 Mar 18:41 PDT 2020, Thara Gopinath wrote:

> RPMh hosts mx power domain that can be used to warm up the SoC.  Indicate
> this by using #cooling-cells property.
> 
> Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>
> Signed-off-by: Thara Gopinath <thara.gopinath@...aro.org>

Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

> ---
> 
> v3->v4:
> 	- Removed subnode to indicate that mx power domain is a warming
> 	  device. Instead #cooling-cells is used as a power domain
> 	  provider property to indicate if the provider hosts a power
> 	  domain that can be used as a warming device.
> 
>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index fe35d37a11cc..0d878b2ca351 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -3703,6 +3703,7 @@
>  			rpmhpd: power-controller {
>  				compatible = "qcom,sdm845-rpmhpd";
>  				#power-domain-cells = <1>;
> +				#cooling-cells = <2>;
>  				operating-points-v2 = <&rpmhpd_opp_table>;
>  
>  				rpmhpd_opp_table: opp-table {
> -- 
> 2.20.1
>