linux-kernel - Re: [PATCH v16 6/8] Coresight: Add TPDA link driver

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Message-ID: <185c988d-4213-f1e3-b400-0f86845eaf78@quicinc.com>
Date:   Tue, 17 Jan 2023 11:26:13 +0800
From:   Jinlong Mao <quic_jinlmao@...cinc.com>
To:     Suzuki K Poulose <suzuki.poulose@....com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        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:     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>,
        Tao Zhang <quic_taozha@...cinc.com>,
        Trilok Soni <quic_tsoni@...cinc.com>,
        Hao Zhang <quic_hazha@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>,
        Bjorn Andersson <andersson@...nel.org>
Subject: Re: [PATCH v16 6/8] Coresight: Add TPDA link driver


On 1/16/2023 5:36 PM, Suzuki K Poulose wrote:
> On 06/01/2023 09:21, Mao Jinlong wrote:
>> TPDA(Trace, Profiling and Diagnostics Aggregator) is
>> to provide packetization, funneling and timestamping of
>> TPDM data. Multiple monitors are connected to different
>> input ports of TPDA.This change is to add tpda
>> enable/disable/probe functions for coresight tpda driver.
>>
>>   - - - -         - - - -        - - - -
>> | TPDM 0|      | TPDM 1 |     | TPDM 2|
>>   - - - -         - - - -        - - - -
>>      |               |             |
>>      |_ _ _ _ _ _    |     _ _ _ _ |
>>                  |   |    |
>>                  |   |    |
>>             ------------------
>>            |        TPDA      |
>>             ------------------
>>
>> Signed-off-by: Tao Zhang <quic_taozha@...cinc.com>
>> Signed-off-by: Mao Jinlong <quic_jinlmao@...cinc.com>
>
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@....com>
>
> Btw, do we expect to see these devices on an ACPI system ?

These devices are not supported on an ACPI system.

Thanks
Jinlong Mao
>
> Suzuki