linux-kernel - Re: [PATCH V7 0/7] Add driver support for Data Capture and Compare Engine(DCC) for SM8150,SC7280,SC7180,SDM845

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Message-ID: <53c3036e-9f19-5027-50a6-7964bc632fd8@quicinc.com>
Date:   Mon, 2 May 2022 16:01:15 -0700
From:   Trilok Soni <quic_tsoni@...cinc.com>
To:     Souradeep Chowdhury <quic_schowdhu@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        "Rob Herring" <robh+dt@...nel.org>, Alex Elder <elder@...e.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        "Sai Prakash Ranjan" <quic_saipraka@...cinc.com>,
        Sibi Sankar <quic_sibis@...cinc.com>,
        Rajendra Nayak <quic_rjendra@...eaurora.org>,
        <vkoul@...nel.org>
Subject: Re: [PATCH V7 0/7] Add driver support for Data Capture and Compare
 Engine(DCC) for SM8150,SC7280,SC7180,SDM845

On 3/2/2022 10:27 PM, Souradeep Chowdhury wrote:
> DCC(Data Capture and Compare) is a DMA engine designed for debugging purposes.
> In case of a system crash or manual software triggers by the user the DCC hardware
> stores the value at the register addresses which can be used for debugging purposes.
> The DCC driver provides the user with debugfs interface to configure the register
> addresses. The options that the DCC hardware provides include reading from registers,
> writing to registers, first reading and then writing to registers and looping
> through the values of the same register.
> 

Bjorn, can you please take a look at this series, it is pending review 
from last two months now.

---Trilok Soni