Message-ID: <659c81b0-b75e-9a6f-bd26-878bb9868397@quicinc.com>
Date:   Fri, 27 Jan 2023 20:30:36 +0530
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Subject: Re: [PATCH 3/5] firmware: scm: Modify only the DLOAD bit in TCSR
 register for download mode
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To:     Guru Das Srinagesh <quic_gurus@quicinc.com>
CC:     <agross@kernel.org>, <andersson@kernel.org>,
        <konrad.dybcio@linaro.org>, <robh+dt@kernel.org>,
        <krzysztof.kozlowski+dt@linaro.org>, <lee@kernel.org>,
        <catalin.marinas@arm.com>, <will@kernel.org>,
        <shawnguo@kernel.org>, <arnd@arndb.de>,
        <marcel.ziswiler@toradex.com>, <dmitry.baryshkov@linaro.org>,
        <nfraprado@collabora.com>, <broonie@kernel.org>,
        <robimarko@gmail.com>, <linux-arm-msm@vger.kernel.org>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <quic_srichara@quicinc.com>, <quic_gokulsri@quicinc.com>,
        <quic_sjaganat@quicinc.com>, <quic_kathirav@quicinc.com>,
        <quic_arajkuma@quicinc.com>, <quic_anusha@quicinc.com>,
        <quic_devipriy@quicinc.com>
References: <20230113160012.14893-1-quic_poovendh@quicinc.com>
 <20230113160012.14893-4-quic_poovendh@quicinc.com>
 <20230114011606.GA24659@quicinc.com>
From:   POOVENDHAN SELVARAJ <quic_poovendh@quicinc.com>
In-Reply-To: <20230114011606.GA24659@quicinc.com>
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On 1/14/2023 6:46 AM, Guru Das Srinagesh wrote:
> On Jan 13 2023 21:30, Poovendhan Selvaraj wrote:
>> Add support to read-modify-write TCSR register to modify only DLOAD bit.
> Could you please add more details on what problem this patch is fixing, and why
> this patch is needed?
>
> CrashDump collection is based on the DLOAD bit of TCSR register. To retain other bits, we read the register and modify only the DLOAD bit as the other bits have their own significance.
>
> Thank you.
>
> Guru Das.
>
> Regards,
> Poovendhan S