From patchwork Tue Mar 5 21:20:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 1908459 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linux-fsi-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=patchwork.ozlabs.org) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Tq7mC51H3z23qk for ; Wed, 6 Mar 2024 08:21:31 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Tq7mB4Sbbz3vXX for ; Wed, 6 Mar 2024 08:21:30 +1100 (AEDT) X-Original-To: linux-fsi@lists.ozlabs.org Delivered-To: linux-fsi@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=pengutronix.de (client-ip=2a0a:edc0:2:b01:1d::104; helo=metis.whiteo.stw.pengutronix.de; envelope-from=ukl@pengutronix.de; receiver=lists.ozlabs.org) Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [IPv6:2a0a:edc0:2:b01:1d::104]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Tq7m62K51z3dV4 for ; Wed, 6 Mar 2024 08:21:24 +1100 (AEDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rhcDk-00031L-VX; Tue, 05 Mar 2024 22:21:08 +0100 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rhcDj-004clC-UH; Tue, 05 Mar 2024 22:21:07 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1rhcDj-000IBx-2j; Tue, 05 Mar 2024 22:21:07 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Jeremy Kerr , Joel Stanley Subject: [PATCH 3/4] fsi: master-gpio: Convert to platform remove callback returning void Date: Tue, 5 Mar 2024 22:20:59 +0100 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1841; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=CgrJz9QYoPsUiacnaPR4tYkee/ybr822qO9obJFBA7A=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBl54y9UuijNxmQRTDh+8iId9uu2KEYfKCxnQuoe fIwa9nv4SWJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZeeMvQAKCRCPgPtYfRL+ TvDJB/40vAgPM/bdqyzGleoT5qgPY9opYNOWy7TbDs9IrcI9k0cFuCt1pVdPUmkyB47YlOgB8UQ 52SK2+6OWbqXHsUFSt2r1eeIkj2H1Qa8+OhDewIMZmHis5uYQYf6GZ7IYKYAA5A3+GKiZ7J5gIT g6UKd8q+7iDBQYk9yq99R6Sfd1tVVMyIUuZEWOZChAjAjRqOAI/HVNqIr8BDhmGi6Hp4RXuWCk0 EWF+c5Wne1fYC2wkcoeUDC3qzaNHUFnAnyKu6x8HIdVaV5TBL/DUnBdAQIzT5md2FRxwobHEWQF Xvz5fAM8ZZg5V4HBUXIlH4cV+Wj5ev51gn9PT5f8p8EfEj5I X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-fsi@lists.ozlabs.org X-BeenThere: linux-fsi@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alistar Popple , kernel@pengutronix.de, linux-fsi@lists.ozlabs.org Errors-To: linux-fsi-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "linux-fsi" The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König --- drivers/fsi/fsi-master-gpio.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/fsi/fsi-master-gpio.c b/drivers/fsi/fsi-master-gpio.c index ed03da4f2447..10fc344b6b22 100644 --- a/drivers/fsi/fsi-master-gpio.c +++ b/drivers/fsi/fsi-master-gpio.c @@ -867,15 +867,13 @@ static int fsi_master_gpio_probe(struct platform_device *pdev) -static int fsi_master_gpio_remove(struct platform_device *pdev) +static void fsi_master_gpio_remove(struct platform_device *pdev) { struct fsi_master_gpio *master = platform_get_drvdata(pdev); device_remove_file(&pdev->dev, &dev_attr_external_mode); fsi_master_unregister(&master->master); - - return 0; } static const struct of_device_id fsi_master_gpio_match[] = { @@ -890,7 +888,7 @@ static struct platform_driver fsi_master_gpio_driver = { .of_match_table = fsi_master_gpio_match, }, .probe = fsi_master_gpio_probe, - .remove = fsi_master_gpio_remove, + .remove_new = fsi_master_gpio_remove, }; module_platform_driver(fsi_master_gpio_driver);