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[2620:137:e000::1:20]) by mx.google.com with ESMTP id m21-20020a056402431500b0043a915fd430si5291766edc.240.2022.07.07.04.02.07; Thu, 07 Jul 2022 04:02:44 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcdkim header.b=gydAR5Ap; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235094AbiGGK7i (ORCPT + 99 others); Thu, 7 Jul 2022 06:59:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230187AbiGGK7e (ORCPT ); Thu, 7 Jul 2022 06:59:34 -0400 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7987D5721C; Thu, 7 Jul 2022 03:59:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1657191573; x=1688727573; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=OfSc07yQ3ge94ZYeQXBPSqIG1ZrgFidplmZMaEP/6us=; b=gydAR5ApPju8f/+Q3tKFH4XjJbaNMNJwaGk/vdDR7fPLM3fN3Z5HkVi7 JAka9dX1RgyqhptL7HmwwVJ6imCPKvamiZjaJkLS69M8Jt6+He751s1RG jjGFY7GyzGK740h4WWqhjwpYmNOuV3eTSK3qJp9Tc6BZqglK1yKCjF8NN o=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-01.qualcomm.com with ESMTP; 07 Jul 2022 03:59:33 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg01-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jul 2022 03:59:33 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 7 Jul 2022 03:59:32 -0700 Received: from [10.79.43.230] (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 7 Jul 2022 03:59:29 -0700 Subject: Re: [V3 1/7] remoteproc: qcom: pas: Add decrypt shutdown support for modem To: Konrad Dybcio , CC: , , , , , References: <1657022900-2049-1-git-send-email-quic_sibis@quicinc.com> <1657022900-2049-2-git-send-email-quic_sibis@quicinc.com> From: Sibi Sankar Message-ID: Date: Thu, 7 Jul 2022 16:29:26 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hey Konrad, Thanks for taking time to review the series. On 7/6/22 6:08 PM, Konrad Dybcio wrote: > > > 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? I was told some portions of the modem logs in secured modem regions needs decryption and this needs to be completed before minidump/coredump are collected. -Sibi > > Konrad > > [snipped the rest] >