linux-kernel - Re: [PATCHv2 2/4] arm64: dts: qcom: msm8996: Add Coresight support

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Date:   Fri, 18 Jan 2019 17:38:25 +0530
From:   Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
To:     Suzuki K Poulose <suzuki.poulose@....com>, robh+dt@...nel.org,
        mathieu.poirier@...aro.org, leo.yan@...aro.org,
        alexander.shishkin@...ux.intel.com, andy.gross@...aro.org,
        david.brown@...aro.org, vivek.gautam@...eaurora.org,
        dianders@...omium.org, sboyd@...nel.org,
        bjorn.andersson@...aro.org, devicetree@...r.kernel.org,
        mark.rutland@....com
Cc:     rnayak@...eaurora.org, sibis@...eaurora.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCHv2 2/4] arm64: dts: qcom: msm8996: Add Coresight support

Hi Suzuki,

On 1/18/2019 5:34 PM, Suzuki K Poulose wrote:
> If you would like to use the scatter-gather mode, you must specify it
> explicitly. We have had some other boards with broken scatter-gather
> mode integration which causes mysterious issues when used. So we have
> a white-list approach for enabling the scatter-gather mode in the driver.
> 
> So, if you have tested to make sure that the mode works fine with a recent
> kernel version (v4.19 onwards), you may want to add the property.
> 
> Suzuki
> 

Will add scatter-gather and post v3 soon for both SDM845 and MSM8996.

Thanks,
Sai
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