linux-kernel - Re: [PATCH V5 2/4] arm64: dts: qcom: sa8775p: add EPSS l3 interconnect provider

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Message-ID: <41977702-51da-42d3-ad18-0d77ba9c8b5b@quicinc.com>
Date: Thu, 21 Nov 2024 23:19:28 +0530
From: Raviteja Laggyshetty <quic_rlaggysh@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, Georgi Djakov <djakov@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
CC: Odelu Kukatla <quic_okukatla@...cinc.com>,
        Mike Tipton
	<quic_mdtipton@...cinc.com>,
        Sibi Sankar <quic_sibis@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V5 2/4] arm64: dts: qcom: sa8775p: add EPSS l3
 interconnect provider



On 11/21/2024 5:24 PM, Krzysztof Kozlowski wrote:
> On 21/11/2024 12:30, Raviteja Laggyshetty wrote:
>> Add Epoch Subsystem (EPSS) L3 interconnect provider node on SA8775P
>> SoCs.
>>
>> Signed-off-by: Raviteja Laggyshetty <quic_rlaggysh@...cinc.com>
>> ---
>>  arch/arm64/boot/dts/qcom/sa8775p.dtsi | 19 +++++++++++++++++++
>>  1 file changed, 19 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
>> index 9f315a51a7c1..dd7207eb3616 100644
>> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
>> @@ -10,6 +10,7 @@
>>  #include <dt-bindings/clock/qcom,sa8775p-gcc.h>
>>  #include <dt-bindings/clock/qcom,sa8775p-gpucc.h>
>>  #include <dt-bindings/dma/qcom-gpi.h>
>> +#include <dt-bindings/interconnect/qcom,osm-l3.h>
>>  #include <dt-bindings/interconnect/qcom,sa8775p-rpmh.h>
>>  #include <dt-bindings/mailbox/qcom-ipcc.h>
>>  #include <dt-bindings/firmware/qcom,scm.h>
>> @@ -4282,6 +4283,15 @@ rpmhpd_opp_turbo_l1: opp-9 {
>>  			};
>>  		};
>>  
>> +		epss_l3_cl0: interconnect@...90000 {
> 
> 
> Drop unused label.
> 
This will be used by DCVS driver for getting the interconnect path.

> BTW, DTS is never before the driver. It suggests dependency. If you have
> dependency, it's a NAK.
> 

There is no dependency, I will rearrange the patches in next revision.

> Best regards,
> Krzysztof