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Received: from HE1PR0402MB2939.eurprd04.prod.outlook.com (2603:10a6:3:db::18) by PAXPR04MB8318.eurprd04.prod.outlook.com (2603:10a6:102:1c0::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5813.13; Wed, 16 Nov 2022 07:44:34 +0000 Received: from HE1PR0402MB2939.eurprd04.prod.outlook.com ([fe80::d8b1:a777:e29:7a5a]) by HE1PR0402MB2939.eurprd04.prod.outlook.com ([fe80::d8b1:a777:e29:7a5a%10]) with mapi id 15.20.5813.018; Wed, 16 Nov 2022 07:44:34 +0000 From: Clark Wang To: linux@rempel-privat.de Cc: kernel@pengutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] i2c: imx: add irqf_no_suspend flag Date: Wed, 16 Nov 2022 15:44:31 +0800 Message-Id: <20221116074431.513214-1-xiaoning.wang@nxp.com> X-Mailer: git-send-email 2.34.1 X-ClientProxiedBy: SG2P153CA0012.APCP153.PROD.OUTLOOK.COM (2603:1096::22) To HE1PR0402MB2939.eurprd04.prod.outlook.com (2603:10a6:3:db::18) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: HE1PR0402MB2939:EE_|PAXPR04MB8318:EE_ X-MS-Office365-Filtering-Correlation-Id: 23ea7728-6259-4fd7-d113-08dac7a66658 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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As a result, i2c transfer fails. To solve the problem, IRQF_NO_SUSPEND is added to i2c bus. Signed-off-by: Clark Wang Acked-by: Oleksij Rempel --- drivers/i2c/busses/i2c-imx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 1ce0cf7a323f..ba49b2f7a1d1 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -1510,7 +1510,8 @@ static int i2c_imx_probe(struct platform_device *pdev) goto rpm_disable; /* Request IRQ */ - ret = request_threaded_irq(irq, i2c_imx_isr, NULL, IRQF_SHARED, + ret = request_threaded_irq(irq, i2c_imx_isr, NULL, + IRQF_SHARED | IRQF_NO_SUSPEND, pdev->name, i2c_imx); if (ret) { dev_err(&pdev->dev, "can't claim irq %d\n", irq);