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

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Message-ID: <c8831ad9-d867-d977-da5f-2cc1b71704cf@arm.com>
Date:   Mon, 16 Jan 2023 09:36:24 +0000
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     Mao Jinlong <quic_jinlmao@...cinc.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 <bjorn.andersson@...aro.org>
Subject: Re: [PATCH v16 6/8] Coresight: Add TPDA link driver

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 ?

Suzuki