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Fri, 23 Oct 2020 08:23:43 +0000 From: peng.fan@nxp.com To: shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com Cc: kernel@pengutronix.de, linux-imx@nxp.com, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan Subject: [PATCH 1/2] i2c: imx: use devm_request_threaded_irq to simplify code Date: Fri, 23 Oct 2020 16:18:22 +0800 Message-Id: <1603441103-17735-1-git-send-email-peng.fan@nxp.com> X-Mailer: git-send-email 2.7.4 X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2PR03CA0148.apcprd03.prod.outlook.com (2603:1096:4:c8::21) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR03CA0148.apcprd03.prod.outlook.com (2603:1096:4:c8::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3499.6 via Frontend Transport; Fri, 23 Oct 2020 08:23:40 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: be642abf-3460-4d0c-2388-08d8772cf418 X-MS-TrafficTypeDiagnostic: DB7PR04MB5465: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:431; 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/* Request IRQ */ - ret = request_threaded_irq(irq, i2c_imx_isr, NULL, IRQF_SHARED, - pdev->name, i2c_imx); + ret = devm_request_threaded_irq(&pdev->dev, irq, i2c_imx_isr, NULL, IRQF_SHARED, + pdev->name, i2c_imx); if (ret) { dev_err(&pdev->dev, "can't claim irq %d\n", irq); goto rpm_disable; @@ -1265,7 +1265,6 @@ static int i2c_imx_probe(struct platform_device *pdev) clk_notifier_unregister: clk_notifier_unregister(i2c_imx->clk, &i2c_imx->clk_change_nb); - free_irq(irq, i2c_imx); rpm_disable: pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); @@ -1278,7 +1277,7 @@ static int i2c_imx_probe(struct platform_device *pdev) static int i2c_imx_remove(struct platform_device *pdev) { struct imx_i2c_struct *i2c_imx = platform_get_drvdata(pdev); - int irq, ret; + int ret; ret = pm_runtime_get_sync(&pdev->dev); if (ret < 0) @@ -1298,9 +1297,6 @@ static int i2c_imx_remove(struct platform_device *pdev) imx_i2c_write_reg(0, i2c_imx, IMX_I2C_I2SR); clk_notifier_unregister(i2c_imx->clk, &i2c_imx->clk_change_nb); - irq = platform_get_irq(pdev, 0); - if (irq >= 0) - free_irq(irq, i2c_imx); clk_disable_unprepare(i2c_imx->clk); pm_runtime_put_noidle(&pdev->dev);