linux-kernel - Re: [PATCH 1/9] dt-bindings: arm: Add support for DSB element

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Message-ID: <83c499c0-9600-5b41-6fa6-e1f8328bd66a@linaro.org>
Date:   Tue, 13 Sep 2022 11:14:26 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Tao Zhang <quic_taozha@...cinc.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Konrad Dybcio <konradybcio@...il.com>,
        Mike Leach <mike.leach@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Jinlong Mao <quic_jinlmao@...cinc.com>,
        Leo Yan <leo.yan@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Tingwei Zhang <quic_tingweiz@...cinc.com>,
        Yuanfang Zhang <quic_yuanfang@...cinc.com>,
        Trilok Soni <quic_tsoni@...cinc.com>,
        Hao Zhang <quic_hazha@...cinc.com>,
        linux-arm-msm@...r.kernel.org, bjorn.andersson@...aro.org
Subject: Re: [PATCH 1/9] dt-bindings: arm: Add support for DSB element

On 13/09/2022 09:00, Tao Zhang wrote:

>>> +  qcom,dsb-elem-size:
>>> +    description: |
>>> +      Specifies the DSB element size supported by each monitor
>>> +      connected to the aggregator on each port. Should be specified
>>> +      in pairs (port, dsb element size).
>>> +    $ref: /schemas/types.yaml#/definitions/uint32-array
>> So it is rather uint32-matrix (need to describe the items subschema).
>> What about maxItems?
>>
>> Best regards,
>> Krzysztof
> 
> Yes, indeed it should be uint32-matrix here. I will update in the next 
> release.
> 
> The "maxItems" cannot be known explicitly because it depends on how many 
> DSB subunit TPDMs are connected to the TPDA input ports.
> 
> Usually the number of the items is 1 to several, but there is no limit 
> to its maximum value.

OK, thanks.


Best regards,
Krzysztof