From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933627AbdAJXiN (ORCPT ); Tue, 10 Jan 2017 18:38:13 -0500 Received: from bh-25.webhostbox.net ([208.91.199.152]:51791 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933465AbdAJXiI (ORCPT ); Tue, 10 Jan 2017 18:38:08 -0500 From: Guenter Roeck To: Wim Van Sebroeck Cc: linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org, Guenter Roeck Subject: [PATCH 23/62] watchdog: intel-mid_wdt: Convert to use device managed functions Date: Tue, 10 Jan 2017 15:34:40 -0800 Message-Id: <1484091325-9199-24-git-send-email-linux@roeck-us.net> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1484091325-9199-1-git-send-email-linux@roeck-us.net> References: <1484091325-9199-1-git-send-email-linux@roeck-us.net> X-Authenticated_sender: guenter@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: authenticated_id: guenter@roeck-us.net X-Authenticated-Sender: bh-25.webhostbox.net: guenter@roeck-us.net X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use device managed functions to simplify error handling, reduce source code size, improve readability, and reduce the likelyhood of bugs. The conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop assignments to otherwise unused variables - Drop remove function - Drop platform_set_drvdata() - Use devm_watchdog_register_driver() to register watchdog device Signed-off-by: Guenter Roeck --- drivers/watchdog/intel-mid_wdt.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/watchdog/intel-mid_wdt.c b/drivers/watchdog/intel-mid_wdt.c index a4b729259b12..45e4d02221b5 100644 --- a/drivers/watchdog/intel-mid_wdt.c +++ b/drivers/watchdog/intel-mid_wdt.c @@ -137,7 +137,6 @@ static int mid_wdt_probe(struct platform_device *pdev) wdt_dev->parent = &pdev->dev; watchdog_set_drvdata(wdt_dev, &pdev->dev); - platform_set_drvdata(pdev, wdt_dev); ret = devm_request_irq(&pdev->dev, pdata->irq, mid_wdt_irq, IRQF_SHARED | IRQF_NO_SUSPEND, "watchdog", @@ -151,7 +150,7 @@ static int mid_wdt_probe(struct platform_device *pdev) /* Make sure the watchdog is not running */ wdt_stop(wdt_dev); - ret = watchdog_register_device(wdt_dev); + ret = devm_watchdog_register_device(&pdev->dev, wdt_dev); if (ret) { dev_err(&pdev->dev, "error registering watchdog device\n"); return ret; @@ -162,16 +161,8 @@ static int mid_wdt_probe(struct platform_device *pdev) return 0; } -static int mid_wdt_remove(struct platform_device *pdev) -{ - struct watchdog_device *wd = platform_get_drvdata(pdev); - watchdog_unregister_device(wd); - return 0; -} - static struct platform_driver mid_wdt_driver = { .probe = mid_wdt_probe, - .remove = mid_wdt_remove, .driver = { .name = "intel_mid_wdt", }, -- 2.7.4