linux-kernel - Re: [[PATCH]] arm64: dts: qcom: hamoa: Enable cpufreq cooling devices

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Message-ID: <2zsmrw4qg2alcwsdjzl3x7rew324c7lgt35pa4ewla3swkrre3@botpuhebbsmo>
Date: Tue, 10 Feb 2026 13:30:44 +0530
From: Manivannan Sadhasivam <mani@...nel.org>
To: Gaurav Kohli <gaurav.kohli@....qualcomm.com>
Cc: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org, 
	krzk+dt@...nel.org, conor+dt@...nel.org, linux-arm-msm@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [[PATCH]] arm64: dts: qcom: hamoa: Enable cpufreq cooling devices

On Tue, Feb 10, 2026 at 10:13:44AM +0530, Gaurav Kohli wrote:
> 
> 
> On 2/3/2026 11:21 AM, Manivannan Sadhasivam wrote:
> > On Wed, Jan 28, 2026 at 11:02:08AM +0530, Gaurav Kohli wrote:
> > > Add cooling-cells property to the CPU nodes to support cpufreq
> > > cooling devices.
> > > 
> > > Signed-off-by: Gaurav Kohli <gaurav.kohli@....qualcomm.com>
> > 
> > FYI: I submitted the similar version back in October:
> > https://lore.kernel.org/linux-arm-msm/20251015065703.9422-1-mani@kernel.org/
> > 
> 
> Hi Mani,
> 
> thanks for sharing this link. Could you please respin your patch. So that it
> can get merged? we need this cpufreq support enabled.
> 

Done: https://lore.kernel.org/linux-arm-msm/20260210070321.17033-1-manivannan.sadhasivam@oss.qualcomm.com

- Mani

> > - Mani
> > 
> > > ---
> > >   arch/arm64/boot/dts/qcom/hamoa.dtsi | 12 ++++++++++++
> > >   1 file changed, 12 insertions(+)
> > > 
> > > diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
> > > index db65c392e618..799e405a9f87 100644
> > > --- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
> > > +++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
> > > @@ -75,6 +75,7 @@ cpu0: cpu@0 {
> > >   			next-level-cache = <&l2_0>;
> > >   			power-domains = <&cpu_pd0>, <&scmi_dvfs 0>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   			l2_0: l2-cache {
> > >   				compatible = "cache";
> > > @@ -91,6 +92,7 @@ cpu1: cpu@100 {
> > >   			next-level-cache = <&l2_0>;
> > >   			power-domains = <&cpu_pd1>, <&scmi_dvfs 0>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   		};
> > >   		cpu2: cpu@200 {
> > > @@ -101,6 +103,7 @@ cpu2: cpu@200 {
> > >   			next-level-cache = <&l2_0>;
> > >   			power-domains = <&cpu_pd2>, <&scmi_dvfs 0>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   		};
> > >   		cpu3: cpu@300 {
> > > @@ -111,6 +114,7 @@ cpu3: cpu@300 {
> > >   			next-level-cache = <&l2_0>;
> > >   			power-domains = <&cpu_pd3>, <&scmi_dvfs 0>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   		};
> > >   		cpu4: cpu@...00 {
> > > @@ -121,6 +125,7 @@ cpu4: cpu@...00 {
> > >   			next-level-cache = <&l2_1>;
> > >   			power-domains = <&cpu_pd4>, <&scmi_dvfs 1>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   			l2_1: l2-cache {
> > >   				compatible = "cache";
> > > @@ -137,6 +142,7 @@ cpu5: cpu@...00 {
> > >   			next-level-cache = <&l2_1>;
> > >   			power-domains = <&cpu_pd5>, <&scmi_dvfs 1>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   		};
> > >   		cpu6: cpu@...00 {
> > > @@ -147,6 +153,7 @@ cpu6: cpu@...00 {
> > >   			next-level-cache = <&l2_1>;
> > >   			power-domains = <&cpu_pd6>, <&scmi_dvfs 1>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   		};
> > >   		cpu7: cpu@...00 {
> > > @@ -157,6 +164,7 @@ cpu7: cpu@...00 {
> > >   			next-level-cache = <&l2_1>;
> > >   			power-domains = <&cpu_pd7>, <&scmi_dvfs 1>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   		};
> > >   		cpu8: cpu@...00 {
> > > @@ -167,6 +175,7 @@ cpu8: cpu@...00 {
> > >   			next-level-cache = <&l2_2>;
> > >   			power-domains = <&cpu_pd8>, <&scmi_dvfs 2>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   			l2_2: l2-cache {
> > >   				compatible = "cache";
> > > @@ -183,6 +192,7 @@ cpu9: cpu@...00 {
> > >   			next-level-cache = <&l2_2>;
> > >   			power-domains = <&cpu_pd9>, <&scmi_dvfs 2>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   		};
> > >   		cpu10: cpu@...00 {
> > > @@ -193,6 +203,7 @@ cpu10: cpu@...00 {
> > >   			next-level-cache = <&l2_2>;
> > >   			power-domains = <&cpu_pd10>, <&scmi_dvfs 2>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   		};
> > >   		cpu11: cpu@...00 {
> > > @@ -203,6 +214,7 @@ cpu11: cpu@...00 {
> > >   			next-level-cache = <&l2_2>;
> > >   			power-domains = <&cpu_pd11>, <&scmi_dvfs 2>;
> > >   			power-domain-names = "psci", "perf";
> > > +			#cooling-cells = <2>;
> > >   		};
> > >   		cpu-map {
> > > -- 
> > > 2.34.1
> > > 
> > 
> 

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