From patchwork Tue Sep 13 18:35:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gokul krishna Krishnakumar X-Patchwork-Id: 605336 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D20D4C6FA8D for ; Tue, 13 Sep 2022 18:52:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231360AbiIMSwJ (ORCPT ); Tue, 13 Sep 2022 14:52:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231329AbiIMSvw (ORCPT ); Tue, 13 Sep 2022 14:51:52 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 907CA6C11B; Tue, 13 Sep 2022 11:36:03 -0700 (PDT) Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 28DIHJjf001766; Tue, 13 Sep 2022 18:35:58 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=uIUmkWWChmCj4RYxmInTFl1FXN/vdFc07v8DqwHSnI4=; b=ZqtoxYePimZoP+GruaeQy+BG6WvlJud4ITKlwkmIruP3euPlMnnwi2omVW/e9R4yyiK4 bq79mzGmxvfiSGiEpTZD1ijkPPshd0yto71mA1ew9yCT8KiFPz2z2htruacgdkBen10a U4FKugzDy/3H/B6DJGr/ou9xSIIImHm5EJvXtdEtuEIWkArWI6Fk3CWQ/eclgWXTWVjO /VOIRMjQUC5yAX9eJqJmQFkUxSdNvzaIWk8FL92TFuZYmly/qH88R5fH/ieQQhwBAuHR MVmFmZpI0RuRp6k4xuacrWveH4Krvi2pqFRxVIfI2H2PfQ5Yrahh1Q5dvf0DB8sGFiq2 TQ== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3jjy0b81bj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 13 Sep 2022 18:35:58 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 28DIZvWt014156 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 13 Sep 2022 18:35:57 GMT Received: from hu-gokukris-sd.qualcomm.com (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 15.2.986.29; Tue, 13 Sep 2022 11:35:57 -0700 From: Gokul krishna Krishnakumar To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Mathieu Poirier CC: , , , Trilok Soni , "Satya Durga Srinivasu Prabhala" , Rajendra Nayak , Elliot Berman , "Guru Das Srinagesh" , Gokul krishna Krishnakumar Subject: [PATCH v1 2/3] remoteproc: qcom: q6v5: Do not report crash if SSR is disabled Date: Tue, 13 Sep 2022 11:35:43 -0700 Message-ID: <1a548f4e7373c12159f8d866dc0e12d224460036.1662995608.git.quic_gokukris@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: H6lnLpLKUfvcGjWurJs11TXZ6Yr0966N X-Proofpoint-ORIG-GUID: H6lnLpLKUfvcGjWurJs11TXZ6Yr0966N X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-13_09,2022-09-13_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=940 phishscore=0 spamscore=0 suspectscore=0 malwarescore=0 mlxscore=0 bulkscore=0 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2208220000 definitions=main-2209130085 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Message-ID: <20220913183543.xYAtcEUJeVNa_vVvF5Ky6Set7EAYRFu_qAkWrMeGwH8@z> In case recovery is disabled, do not report the rproc crash to the framework. If recovery is enabled after we start the crash handler we may end up in a weird state by informing clients of a crash twice, resulting in undefined behaviour. Change-Id: If0d9bf5aa2c6f9e25adcefaca14b2de60fcb1a7a Signed-off-by: Gokul krishna Krishnakumar --- drivers/remoteproc/qcom_q6v5.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/remoteproc/qcom_q6v5.c b/drivers/remoteproc/qcom_q6v5.c index 89f5384..1b9e1e1 100644 --- a/drivers/remoteproc/qcom_q6v5.c +++ b/drivers/remoteproc/qcom_q6v5.c @@ -103,6 +103,8 @@ static void qcom_q6v5_crash_handler_work(struct work_struct *work) mutex_lock(&rproc->lock); + rproc->state = RPROC_CRASHED; + list_for_each_entry_reverse(subdev, &rproc->subdevs, node) { if (subdev->stop) subdev->stop(subdev, true); @@ -139,8 +141,8 @@ static irqreturn_t q6v5_wdog_interrupt(int irq, void *data) q6v5->running = false; if (q6v5->rproc->recovery_disabled) schedule_work(&q6v5->crash_handler); - - rproc_report_crash(q6v5->rproc, RPROC_WATCHDOG); + else + rproc_report_crash(q6v5->rproc, RPROC_WATCHDOG); return IRQ_HANDLED; } @@ -163,8 +165,8 @@ static irqreturn_t q6v5_fatal_interrupt(int irq, void *data) q6v5->running = false; if (q6v5->rproc->recovery_disabled) schedule_work(&q6v5->crash_handler); - - rproc_report_crash(q6v5->rproc, RPROC_FATAL_ERROR); + else + rproc_report_crash(q6v5->rproc, RPROC_FATAL_ERROR); return IRQ_HANDLED; }