linux-kernel - Re: [PATCH] arm64: dts: qcom: sc7180: Support ETMv4 power management

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Message-ID: <158784356931.117437.2821018841391441959@swboyd.mtv.corp.google.com>
Date:   Sat, 25 Apr 2020 12:39:29 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        devicetree@...r.kernel.org
Cc:     Rajendra Nayak <rnayak@...eaurora.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Subject: Re: [PATCH] arm64: dts: qcom: sc7180: Support ETMv4 power management

Quoting Sai Prakash Ranjan (2020-04-24 04:16:44)
> Now that deep idle states are properly supported on SC7180,
> we need to add "coresight-loses-context-with-cpu" property
> to avoid failure of trace session because of losing context
> on entering deep idle states.
> 
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>