linux-kernel - Re: [V3 1/7] remoteproc: qcom: pas: Add decrypt shutdown support for modem

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Message-ID: <b75e45fc-eede-d44d-9c0d-535923de2f9d@somainline.org>
Date:   Wed, 6 Jul 2022 14:38:57 +0200
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     Sibi Sankar <quic_sibis@...cinc.com>, bjorn.andersson@...aro.org
Cc:     agross@...nel.org, mathieu.poirier@...aro.org,
        dmitry.baryshkov@...aro.org, linux-arm-msm@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [V3 1/7] remoteproc: qcom: pas: Add decrypt shutdown support for
 modem



On 5.07.2022 14:08, Sibi Sankar wrote:
> The initial shutdown request to modem on SM8450 SoCs would start the
> decryption process and will keep returning errors until the modem shutdown
> is complete. Fix this by retrying shutdowns in fixed intervals.
> 
I'm sorry, but this message seems a bit cryptic to me.. What
is being decrypted? How is it related to the shutdown sequence?
Why does it need to finish first?

Konrad

[snipped the rest]