From patchwork Fri Jul 28 02:39:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 13331060 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EB4E4C001E0 for ; Fri, 28 Jul 2023 02:40:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1yNt8bGiUZ92UydpSH31hj/BI5ZtnckkCLekgOIDsQA=; b=h2bbkz9Fmdx/FwYdrynpMuRTJX sZnDuBkzIca7W0nIFy0+4ChfQCZk7a6KUVgmA7VgSCJH1z/vXCumPtK4yVPzjE4HaQU0Ub6ROAw4S 7pXER5AQZw0hZzykGLD0/CbCjvZk8zLY5YHA7pQ2zOfBF2YBNW/H0WNbC0fmXMyCq8J6TB2jK9lug nVM6FZ2+T8dOp4B30zErnLQYNdcbVZ0tg2P7bRwSacquu4h87W9eiYGcTfBkLqoeUeG1EnRCd0d5W jTaEeEhSz0WwPH7olidTcmfKYrRhve2Y16vWxixxVpZwNSmcg2J1xtiTOn+G7SketPGYAAy5OUeH2 hFpjugfw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qPDPF-001KLQ-2B; Fri, 28 Jul 2023 02:40:41 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qPDPD-001KKA-1J; Fri, 28 Jul 2023 02:40:40 +0000 X-UUID: 22416b1a2cf011ee912e1518a6540028-20230727 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=1yNt8bGiUZ92UydpSH31hj/BI5ZtnckkCLekgOIDsQA=; b=cncw1ZzU/5yeHNDSritxRvDlwqCKeyRmbzVDlHJUJlmsLw8kNstus4y5irOgd2IcWkuvbwkJAkfesb74GpcrSXxiddYVJrdu1hCfFxbBq46DDLk8yctyJavrMgbHfl1FD2rjJWzQPO3u/aJLRB+IQWdAzYsgx/mjy8df4DA1/yM=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.30,REQID:cbf32faa-b7e6-4b8b-b933-041ea583d9fb,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:1fcc6f8,CLOUDID:b2a4e0b3-a467-4aa9-9e04-f584452e3794,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO, DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 22416b1a2cf011ee912e1518a6540028-20230727 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1093291302; Thu, 27 Jul 2023 19:40:37 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 28 Jul 2023 10:40:02 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 28 Jul 2023 10:40:02 +0800 From: Tinghan Shen To: Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Tinghan Shen CC: , , , , , Subject: [PATCH v16 12/14] remoteproc: mediatek: Report watchdog crash to all cores Date: Fri, 28 Jul 2023 10:39:57 +0800 Message-ID: <20230728023959.12293-13-tinghan.shen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230728023959.12293-1-tinghan.shen@mediatek.com> References: <20230728023959.12293-1-tinghan.shen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230727_194039_449739_53F3AC13 X-CRM114-Status: GOOD ( 11.48 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org To ensure consistent behavior, the watchdog timeout handling of the multi-core SCP should reset the whole SCP sub-system when watchdog timeout. Triggering the rproc recovery flow on all instances will ensure proper recovery of the SCP sub-system. Signed-off-by: Tinghan Shen --- drivers/remoteproc/mtk_scp.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 28ad5ceff3b5..bf935bb0f529 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -68,8 +68,14 @@ EXPORT_SYMBOL_GPL(scp_put); static void scp_wdt_handler(struct mtk_scp *scp, u32 scp_to_host) { + struct mtk_scp_of_cluster *scp_cluster = scp->cluster; + struct mtk_scp *scp_node; + dev_err(scp->dev, "SCP watchdog timeout! 0x%x", scp_to_host); - rproc_report_crash(scp->rproc, RPROC_WATCHDOG); + + /* report watchdog timeout to all cores */ + list_for_each_entry(scp_node, &scp_cluster->mtk_scp_list, elem) + rproc_report_crash(scp_node->rproc, RPROC_WATCHDOG); } static void scp_init_ipi_handler(void *data, unsigned int len, void *priv)