linux-kernel - Re: [PATCH v1 2/2] dt-bindings: arm: Add remote etm driver

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Message-ID: <10afe65f-4e86-4127-9f8d-b4e3f5ee8a3a@linaro.org>
Date:   Thu, 16 Nov 2023 18:22:11 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Mao Jinlong <quic_jinlmao@...cinc.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        James Clark <james.clark@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Trilok Soni <quic_tsoni@...cinc.com>
Cc:     linux-kernel@...r.kernel.org, coresight@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Yuanfang Zhang <quic_yuanfang@...cinc.com>,
        Tao Zhang <quic_taozha@...cinc.com>
Subject: Re: [PATCH v1 2/2] dt-bindings: arm: Add remote etm driver

On 07/11/2023 07:09, Mao Jinlong wrote:
> Add new coresight-remote-etm.yaml file describing the bindings required
> to define coresight remote etm in the device trees.
> 
> Signed-off-by: Mao Jinlong <quic_jinlmao@...cinc.com>

+Cc Trilok,

Several Qualcomm boards have warnings coming from Coresight bindings.
These are big, fat warnings coming usually from ARM bindings (e.g.
dynamic funnel, TMC). I don't know Coresight good enough to fix them by
myself.

I would prefer not to take any new Qualcomm specific Coresight bindings
and definitely no new Coresight device nodes in Qualcomm boards, before
these are fixed.

Therefore I kindly ask to fix all warnings in Qualcomm boards coming
from existing Coresight bindings.

Best regards,
Krzysztof