From patchwork Thu Aug 4 09:38:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ming Qian X-Patchwork-Id: 12936237 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 52962C19F2D for ; Thu, 4 Aug 2022 09:39:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239229AbiHDJjH (ORCPT ); Thu, 4 Aug 2022 05:39:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239220AbiHDJjG (ORCPT ); Thu, 4 Aug 2022 05:39:06 -0400 Received: from EUR04-HE1-obe.outbound.protection.outlook.com (mail-eopbgr70057.outbound.protection.outlook.com [40.107.7.57]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A538C4199C; Thu, 4 Aug 2022 02:39:04 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=nVMpJRHRsLoOsKrynHWTjQhxtsbUuJnQ9knWzUvjo097dmqXiEd0oiL7gt1I5DZzyIEjHVUe8X0DbrWgBZ81p7KetJ+7cqWoO7ZqoIyHxmuGb1Zi5TBlSAeO4hp08K5Pw0XnI9EP6+DtbNl4GzkYQzH3UodvXaE2714/3QwP7ARb90yg22C+ZOxAD40UkaEWXYL+R3TqNHwRPeTAU6MegtIByggNek+D77V3Gi5r5MpTxLmtUweidyKwQc/57/els5mTdX5lxQ5iGWwT4BWi3HR7EILKkK6uCtMZ7O3YFBQbh6aCh7Bj42FviryPEc/CedVhZW5vWVjAyWhInpzdRQ== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=1Uo+8sQk/Ln7Nj6Q+3ErF8xc7unji6Ck+KSRh39MrRM=; b=MhCSfrepoMmklLOenQGg9M238hdXjpkWATTwO2N23GM9u92IKNUTivF0jgLxxOv2721O7oSXervTKuSaCO9G9Izr3loyvrPo/K0fb1j1P1rhqadIGErPuZTrw3leZicp62EVQs2Yti+QXzNrmo1b8RRhWIYBxT9jwAgJ3bfqHZi/QehklTuHDxO3TOKeYpmtj2+O7hZQbh30jqs0PAZaEHWTBcWWUASurHSTMv50p0J32Fvz+RB16ChvEUZIJdeFalXiEI/sKPwMeQdxxNOID5/JI93OPECGnZALXI5+ydbnxwG65PQl1Tk8EpG+uQm4vQJ5YxYH3jnGEcuBV8drzQ== 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=1Uo+8sQk/Ln7Nj6Q+3ErF8xc7unji6Ck+KSRh39MrRM=; b=pZYAm1z8xOx98qhmkX8SIaLLmmJdmfAlK1qPVQLixBwfaVvcmb8K0chcFnXc0TY+b4lJ8bIa/lJTCPyeXO9sx61mfwG6iM+mzDo1inVUZkMDMAyhusJ04LGaXNenMkcgb69laghm6TpBwwyHJaHZRRkYR0+RYHr7Qx+Bi5C7lVs= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) by AM8PR04MB7267.eurprd04.prod.outlook.com (2603:10a6:20b:1df::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5504.15; Thu, 4 Aug 2022 09:39:02 +0000 Received: from AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::5db6:3f08:2e04:33c]) by AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::5db6:3f08:2e04:33c%4]) with mapi id 15.20.5504.014; Thu, 4 Aug 2022 09:39:01 +0000 From: Ming Qian To: mchehab@kernel.org, mirela.rabulea@oss.nxp.com, hverkuil-cisco@xs4all.nl Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, xiahong.bao@nxp.com, linux-imx@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] media: imx-jpeg: Disable useless interrupt to avoid kernel panic Date: Thu, 4 Aug 2022 17:38:41 +0800 Message-Id: <20220804093841.31337-1-ming.qian@nxp.com> X-Mailer: git-send-email 2.37.1 X-ClientProxiedBy: SGXP274CA0019.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b8::31) To AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 5c160740-6f04-4be4-45a7-08da75fd29d0 X-MS-TrafficTypeDiagnostic: AM8PR04MB7267:EE_ 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:AM6PR04MB6341.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230016)(4636009)(39860400002)(376002)(366004)(136003)(346002)(396003)(26005)(6512007)(38100700002)(38350700002)(41300700001)(44832011)(7416002)(8936002)(86362001)(5660300002)(6486002)(478600001)(6506007)(52116002)(8676002)(66556008)(4326008)(66946007)(6666004)(2906002)(1076003)(66476007)(36756003)(316002)(83380400001)(186003)(2616005);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: M9jgUoiJPMZNH6GM98zpYr0XMzTf1TQgf2/KbvMR1Igs59achkKCd7dIL4HEo/HowXaW9ekONURRILtrccqMLMoX7mGrS4vQeY9gZeT4Sp9H7DBA0dK/7UAjYjEeMUwCSd2XPeVLFeolL3Jy8Im005tTLkHKry8PHD/XaMVwYOJKxXP97+3TTZrAuzOH0VhKaeKuPyt6j8SnEXEKcOrI3QzenIQux1LrPmXcl1Zv8TBCOGgT3fPZGN8+cedVA1R23bEx61g6KkRKdhI2jzYCwnnXUs308aJPk+kYwflnVd4A3JV61yGVbXAhYRx7eTdlAiPWikV7MFvihTKOgC7n2BCoejPKxohAqY0qKD7PY8UIM5qKgraoNEQDtstpQ6cdieaDQxblkhHPVhdB8maM5rbyJ267/tssjF0O3ueECzkkyrAjSpNUoEsl9znsqZkT6SLo/gj/jlEx1O0hrn2igSyIKptBCd5t5yBa8HB0T5oPzZ/25/CxFx77zWAWUjDTFnuMX2wyAPq/+8CAc0YUGRZWiTJ2ekvqmxGDEpAMK7kx7SBYrLmB6F/1EppOF9KTfYCn5Nqvd44EIQhvqBZDHBStL22of7h8KVllpSQK5PlQUiASfeg/74RxzP1usq26xN5t8kcejejkPwjMbAn2eZa8si8vAu/27kIJONgkaf+gp9PUcPtwqcIrQSeBtPHxpUy8NAlng6FyMa28Ro/kTcyiP+uiPFBTlekUZLMwu/7x/Lk3d4Y1EwGXaG9/hU1v1Jh7nkiplibMUi0AAyl/Judx/E46IbcPeZi5NwkHZPh+us0kIX8dEbT6Ko17+cc+78tzH/wVxhMoYmfAHoZSG2zPtFTJ7IfW9weyd1EO2XcI+AqrBBNQwgGQTsqv/9qF18q5RdILdlYTjcVn9yBDvGMjDFvX+3VgeU+4LicMLp7EHTp9FgVSmXKBv7Xau7WVxJ5hgobjJDNNBpmb8MgtJHsureol/T2HAnv8VnzQlLpKRLgXRHca+BXQTuPJaq20fmHaKReYkcvOCBB0pc0fu8TeMkJfigBwu++uyDMclxIYK7PT/AcDZq13oI0GPQFsfyToXlh7NaNzZ8txDAnpppRwzBJXJcfk3DqANOODh6FKlby0IaP+wftGyq87cBDtFUViArPB5NnqTg1dEaS2XlzkFBVJtlIBYAuAPvKKvub1O6UcH3zDouXSqL7NqX0h2aCtFGJQiI031XHVvB01oAFlP/yS14beH001HX7hDjOTLkzvRCzZ3ek5EpH3FQW4eHZWQflFpKwex9i3ZCdMitOFR2+jPvyCvhYW9BhsP86q3CwFkGyHBaR+k+zufkzfWoL3w9dX4nudPktIc2O2BZXHBq9iI3Z/cXmU7mHRaUsjLvwMZ9dSo0HRs7wBXSSBgRs6Kt5gwtIahOrrWjqgbC6MPX2aFSA/q/moPMJtgWjwaoC5vRGvSrQr/6aB9838P2P6lUIQqz/YkegPv1+dd2B23k+ZY0lI8vOqQm6q/wpgUH4/+ndFCMvh8XbzcLOiCcVxYUO+4wuk+HKZ5QOu/Nlf/KI265mjent8Kxg4HBu7/OtBfGG9YOveeWvNnAKj X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5c160740-6f04-4be4-45a7-08da75fd29d0 X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB6341.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Aug 2022 09:39:01.8162 (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: V0Nqh3ZINk4PziJ8nphxd1pZqWiQOajaUY0xzTWqo4Thfz3FU5YmR8ucJlc7H1QNPudLSllpT2A5PE1HqeWJug== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM8PR04MB7267 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org There is a hardware bug that the interrupt STMBUF_HALF may be triggered after or when disable interrupt. It may led to unexpected kernel panic. And interrupt STMBUF_HALF and STMBUF_RTND have no other effect. So disable them and the unused interrupts. meanwhile clear the interrupt status when disable interrupt. Signed-off-by: Ming Qian Reviewed-by: Mirela Rabulea --- drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c index 9418fcf740a8..ef28122a5ed4 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c @@ -76,12 +76,14 @@ void print_wrapper_info(struct device *dev, void __iomem *reg) void mxc_jpeg_enable_irq(void __iomem *reg, int slot) { - writel(0xFFFFFFFF, reg + MXC_SLOT_OFFSET(slot, SLOT_IRQ_EN)); + writel(0xFFFFFFFF, reg + MXC_SLOT_OFFSET(slot, SLOT_STATUS)); + writel(0xF0C, reg + MXC_SLOT_OFFSET(slot, SLOT_IRQ_EN)); } void mxc_jpeg_disable_irq(void __iomem *reg, int slot) { writel(0x0, reg + MXC_SLOT_OFFSET(slot, SLOT_IRQ_EN)); + writel(0xFFFFFFFF, reg + MXC_SLOT_OFFSET(slot, SLOT_STATUS)); } void mxc_jpeg_sw_reset(void __iomem *reg)