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Mon, 30 May 2022 07:48:11 +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, 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 v2] media: imx-jpeg: Disable some unused interrupt Date: Mon, 30 May 2022 15:47:56 +0800 Message-Id: <20220530074756.14585-1-ming.qian@nxp.com> X-Mailer: git-send-email 2.36.1 X-ClientProxiedBy: SI2PR01CA0019.apcprd01.prod.exchangelabs.com (2603:1096:4:192::12) 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: 091b43e1-d142-422b-6446-08da4210bea7 X-MS-TrafficTypeDiagnostic: DB7PR04MB5452:EE_ X-Microsoft-Antispam-PRVS: 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:(13230001)(4636009)(366004)(38350700002)(66556008)(66946007)(66476007)(36756003)(38100700002)(7416002)(6666004)(316002)(8936002)(1076003)(86362001)(186003)(5660300002)(52116002)(2616005)(2906002)(4326008)(8676002)(508600001)(83380400001)(26005)(6506007)(6512007)(44832011)(6486002);DIR:OUT;SFP:1101; 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It may led to system hang if driver try to access the register after power off. And interrupt STMBUF_HALF and STMBUF_RTND have no other effect. So disable them and the unused interrupts. Fixes: 2db16c6ed72ce ("media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG Encoder/Decoder") Signed-off-by: Ming Qian --- v2 - add Fixes tag drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c | 2 +- 1 file changed, 1 insertion(+), 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 c482228262a3..258fbee7ab66 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg-hw.c @@ -76,7 +76,7 @@ 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(0xF0C, reg + MXC_SLOT_OFFSET(slot, SLOT_IRQ_EN)); } void mxc_jpeg_sw_reset(void __iomem *reg)