linux-kernel - Re: [PATCH 1/4] arm64: dts: qcom: sc7180: move QUP and QSPI opp tables out of SoC node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 12 Dec 2022 10:15:51 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] arm64: dts: qcom: sc7180: move QUP and QSPI opp
 tables out of SoC node



On 11.12.2022 21:14, Krzysztof Kozlowski wrote:
> On 10/12/2022 13:29, Konrad Dybcio wrote:
>>
>>
>> On 10.12.2022 12:57, Krzysztof Kozlowski wrote:
>>> The SoC node is a simple-bus and its schema expect to have nodes only
>>> with unit addresses:
>>>
>>>   sc7180-trogdor-lazor-r3.dtb: soc@0: opp-table-qspi: {'compatible': ['operating-points-v2'], 'phandle': [[186]], 'opp-75000000':
>>>     ...  'required-opps': [[47]]}} should not be valid under {'type': 'object'}
>>>
>>> Move to top-level OPP tables:
>>>  - QUP which is shared between multiple nodes,
>>>  - QSPI which cannot be placed in its node due to address/size cells.
>>>
>>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>>> ---
>>>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 76 ++++++++++++++--------------
>>>  1 file changed, 38 insertions(+), 38 deletions(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
>>> index ea886cf08b4d..735581097295 100644
>>> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
>>> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
>>> @@ -538,6 +538,44 @@ cpu6_opp16: opp-2553600000 {
>>>  		};
>>>  	};
>>>  
>>> +	qspi_opp_table: opp-table-qspi {
>>> +		compatible = "operating-points-v2";
>>> +
>>> +		opp-75000000 {
>>> +			opp-hz = /bits/ 64 <75000000>;
>>> +			required-opps = <&rpmhpd_opp_low_svs>;
>>> +		};
>>> +
>>> +		opp-150000000 {
>>> +			opp-hz = /bits/ 64 <150000000>;
>>> +			required-opps = <&rpmhpd_opp_svs>;
>>> +		};
>>> +
>>> +		opp-300000000 {
>>> +			opp-hz = /bits/ 64 <300000000>;
>>> +			required-opps = <&rpmhpd_opp_nom>;
>>> +		};
>>> +	};
>>> +
>>> +	qup_opp_table: opp-table-qup {
>>> +		compatible = "operating-points-v2";
>>> +
>>> +		opp-75000000 {
>>> +			opp-hz = /bits/ 64 <75000000>;
>>> +			required-opps = <&rpmhpd_opp_low_svs>;
>>> +		};
>>> +
>>> +		opp-100000000 {
>>> +			opp-hz = /bits/ 64 <100000000>;
>>> +			required-opps = <&rpmhpd_opp_svs>;
>>> +		};
>>> +
>>> +		opp-128000000 {
>>> +			opp-hz = /bits/ 64 <128000000>;
>>> +			required-opps = <&rpmhpd_opp_nom>;
>>> +		};
>>> +	};
>>> +
>>>  	memory@...00000 {
>> Sidenote: memory@ should be moved above opp-*, alphabetically
>>
>> For this:
>>
>> Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> 
> You sure? Because before there is already opp for cpu...
Which are called opp-table-cpuN and not cpuN-opp-table, 'm' comes
before 'o'.

Konrad
> 
> Best regards,
> Krzysztof
>