From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7764C4338F for ; Mon, 9 Aug 2021 06:36:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB28160527 for ; Mon, 9 Aug 2021 06:36:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233421AbhHIGhI (ORCPT ); Mon, 9 Aug 2021 02:37:08 -0400 Received: from mail-db8eur05on2085.outbound.protection.outlook.com ([40.107.20.85]:41569 "EHLO EUR05-DB8-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S233300AbhHIGg5 (ORCPT ); Mon, 9 Aug 2021 02:36:57 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=WBUNbYA6euVduSw6wylGe1BcZj3oN3B1nwNcVLVAD23rdKknMcZvYG2NLvzSU9dS9hWmiDitxyIX2JT0G/UX6h7a2vGzgMDjEEQHOfLWxmMbielJsvRv8NHSjOJUqWl//Drc8PWFRanT1tAnPr6vIs8hRYRGkuJlhGeSjOFhHJJtX+g3/g0SMCDD9loZPrY4NrqpO8UhYvAqaefutpgKV1vCRHJ3MIYEKlTff2IAaKLufJiEMpwpak+E5AX8yzLLwGjwJ9I7QdCkIbjuoZlQGzopksiF57uHt0opbDcdTQpmDzjmPIawZALAm6a0/Gh2svYL62V31MZTw+RLxRed6Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=0A+cuLNTH3OSUE1R/W+aeizprv1SFtg8ariKTjAO52c=; b=iR9xZ718yD1YuQykYzH5Zw6CuKq979g6zYYn4hYode0jbFjwIYpKt8cSa71PUeQaIxilnjDK7Euwrd41KIMYQjic+kea+r4ftAM/fbj4hlLn+85VyOZpRiYPQMRINRlhBHUHCS8QVRv+6RfUdv4zT3nkdvULcsvIoaIyJaAFuA89wKvtxCFCmYmrL3sPGDFVNUKtF0yxzhlEo7x6+WwJpd9WXRg6XBBDJ3sQqtYlrEwdFQApQdoUTNgbnsGPDIzq2eU0DIbVBXxw4deu14CRDHS7/Ah574NSF5MVE/1gVl/laOBCUXWtFm2f+PKN1JqLsbskrbfmjainefYPo3KRNA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=0A+cuLNTH3OSUE1R/W+aeizprv1SFtg8ariKTjAO52c=; b=PKsdfjwEzkxp8xgpfJ932aNxTIvfI+AuGbhALFZzcSsT7jQttsntFrr4GNLls1pPCyv3uZpyW4DKiEDNFhCPs6JrDkDnJoTPSyOOR2GJGRihFBIr7Fx9QakY3V5LscLKyBKN6R6vw0Y3sMdHJSQPEmRGULuO6hzbfJVN9NrgCjY= Authentication-Results: bootlin.com; dkim=none (message not signed) header.d=none;bootlin.com; dmarc=none action=none header.from=nxp.com; Received: from AM6PR04MB5623.eurprd04.prod.outlook.com (2603:10a6:20b:a9::13) by AS8PR04MB7653.eurprd04.prod.outlook.com (2603:10a6:20b:299::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4394.20; Mon, 9 Aug 2021 06:36:28 +0000 Received: from AM6PR04MB5623.eurprd04.prod.outlook.com ([fe80::74f8:10b:8efd:b265]) by AM6PR04MB5623.eurprd04.prod.outlook.com ([fe80::74f8:10b:8efd:b265%5]) with mapi id 15.20.4394.022; Mon, 9 Aug 2021 06:36:28 +0000 From: Clark Wang To: miquel.raynal@bootlin.com, conor.culhane@silvaco.com, alexandre.belloni@bootlin.com Cc: linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH V4 8/8] i3c: master: svc: enable the interrupt in the enable ibi function Date: Mon, 9 Aug 2021 14:36:45 +0800 Message-Id: <20210809063645.2289988-9-xiaoning.wang@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210809063645.2289988-1-xiaoning.wang@nxp.com> References: <20210809063645.2289988-1-xiaoning.wang@nxp.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SG2PR02CA0103.apcprd02.prod.outlook.com (2603:1096:4:92::19) To AM6PR04MB5623.eurprd04.prod.outlook.com (2603:10a6:20b:a9::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.71) by SG2PR02CA0103.apcprd02.prod.outlook.com (2603:1096:4:92::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4394.16 via Frontend Transport; Mon, 9 Aug 2021 06:36:25 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 259888c8-706a-438c-a1ff-08d95b000424 X-MS-TrafficTypeDiagnostic: AS8PR04MB7653: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7691; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM6PR04MB5623.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(376002)(366004)(39860400002)(396003)(136003)(346002)(38100700002)(38350700002)(478600001)(86362001)(36756003)(316002)(186003)(2906002)(8676002)(83380400001)(2616005)(956004)(6506007)(4326008)(26005)(52116002)(8936002)(6512007)(1076003)(5660300002)(6486002)(66476007)(66556008)(66946007)(6666004);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?hUafytBgXPLZkcbqsyJ63MUMNIstaEW4rrSWDzY6aDkyDpoNQbRZ76u0as79?= =?us-ascii?Q?CsAoP0PBWpUMq9XcY1PSjiEMrqXoOHdZrs2heLw+n52MFz7AmBOdMPVpRLf/?= =?us-ascii?Q?4Up3qX3JsEq3VvCFuMK/LQvqnicanQv+WDlInUhOJfoCU0D9eqcB/eKddfPP?= =?us-ascii?Q?crci+Br5I9w7k/lxVYkZJnfT/TEQt0Wt2pmy0j4TFrPG+rhBDyP/Devo5qT1?= =?us-ascii?Q?n3hAhbGXYTk19DAYtKGHjMCpOfsPponfjf3ckFW4Lgik6f6IEFoRXdK6Zik9?= =?us-ascii?Q?pCTwDGE6K7yL6t+RV+PigApuN3BToERtg27lFP6+X0PMVFykEwUNjiMWdy2G?= =?us-ascii?Q?f2VHeoLJT0DI/abTiJgr5jyo1GyzJMj8CTFw9muHgahxGrOj3CUx1boY2Zqt?= =?us-ascii?Q?/6O0pQWJc9qzo7DuH3wM0yFuZAsX5KxT6J1v302yz4XXv+faoTsxrW2TdZR5?= =?us-ascii?Q?53taYR5/l85HaoRjOG7iPEjGlbM8JKD/1o9GAAL0O8HMdg6NsTKLIQiLoS+q?= =?us-ascii?Q?v/fApcMsSTs8hT4Ijy4IHayDYqQZaEXbtf0UJkpKnk7Xt86UGbFobVY1apqD?= =?us-ascii?Q?YAIX5+7b1pxi4vpd5lL7GFcf63fshqDfcOrRU3UGqWMtMVHqyTFL1OXaAsod?= =?us-ascii?Q?YUafunJje/654MAAmHT8s7nHGCnpEwCoyYSrYxKK+UEmDnJo967teQunELZR?= =?us-ascii?Q?DW69LuDQc1r03o6DWA8IZ+7pt1AWo4oWtCv/78A0lCfUvq8GcbVyjD2CTaex?= =?us-ascii?Q?JUd2XqclIGLUGAkl4KcnPQcGlnG0WEOeBiSTRTSYOPNVG6ppY6UNWl5GNnek?= =?us-ascii?Q?UQZvaqyAd2UtiVLqCY1NEhocNoWX/AnsWZ3+0xchLww6Dy17+bo/A4Dc6Uru?= =?us-ascii?Q?Q2Cjot8LU1T1x5zHzfJJogBanM9NhtA37wvvH6ERuCVPfwTZPLh/q8u/s5cR?= =?us-ascii?Q?6ganINmoM/QR+mfZsA6XcQBzwj8KbKSGFTeR8JZ2dxvcgXRUw4XcCoEiX26g?= =?us-ascii?Q?gX+8C4bct6Ois1ZPWNmXPl7O/xdhETEHnvZ6VuQu1GMe/FFmpnUN3LnHGgsG?= =?us-ascii?Q?X+PpBUxt5wg29Q4jOP1zWAR232eMfiuD1GJ0qrLomWmOTfeTgzIr+cnSwkv/?= =?us-ascii?Q?7sPicK6R7u2fOYM8GXIQfBT9jX1uuU6RBjl3vgLxKaQTNTmEQkkg4XE2Yx2X?= =?us-ascii?Q?Bd8/iMMh/rR2myAjbLhGfDD1+QJarF4wkQi9H9i+t4PBKBwesj0PfrXQTb79?= =?us-ascii?Q?iOpzP5DRSf6oKaHI9rDJ1hPOGlOGqlNmTFn0eXvPm0VsSoSsZimvDFDh374z?= =?us-ascii?Q?s0wm6uIE7CzDXoMWg0cHoxl3?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 259888c8-706a-438c-a1ff-08d95b000424 X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB5623.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Aug 2021 06:36:28.0421 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 4mNfvbdmZ+gKDNEhBrY2zcF8+thdMDRLe8xV8YywqdENE1Nbbmp2WvVjLQT2g2P8s8y7R53dgmyJKF93Pq7SQw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB7653 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If enable interrupt in the svc_i3c_master_bus_init() but do not call enable ibi in the device driver, it will cause a kernel dump in the svc_i3c_master_handle_ibi() when a slave start occurs on the i3c bus, because the data->ibi_pool is not initialized. So only enable the interrupt in svc_i3c_master_enable_ibi() function. Signed-off-by: Clark Wang --- V4: New patch in this patchset --- drivers/i3c/master/svc-i3c-master.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c index 77f67d407acd..b802afd8eb7d 100644 --- a/drivers/i3c/master/svc-i3c-master.c +++ b/drivers/i3c/master/svc-i3c-master.c @@ -569,8 +569,6 @@ static int svc_i3c_master_bus_init(struct i3c_master_controller *m) if (ret) goto rpm_out; - svc_i3c_master_enable_interrupts(master, SVC_I3C_MINT_SLVSTART); - rpm_out: pm_runtime_mark_last_busy(master->dev); pm_runtime_put_autosuspend(master->dev); @@ -1398,6 +1396,8 @@ static int svc_i3c_master_enable_ibi(struct i3c_dev_desc *dev) return ret; } + svc_i3c_master_enable_interrupts(master, SVC_I3C_MINT_SLVSTART); + return i3c_master_enec_locked(m, dev->info.dyn_addr, I3C_CCC_EVENT_SIR); } @@ -1407,6 +1407,8 @@ static int svc_i3c_master_disable_ibi(struct i3c_dev_desc *dev) struct svc_i3c_master *master = to_svc_i3c_master(m); int ret; + svc_i3c_master_disable_interrupts(master); + ret = i3c_master_disec_locked(m, dev->info.dyn_addr, I3C_CCC_EVENT_SIR); pm_runtime_mark_last_busy(master->dev); -- 2.25.1