From patchwork Sun Dec 17 14:29:32 2023 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: 180020 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:24d3:b0:fb:cd0c:d3e with SMTP id r19csp733851dyi; Sun, 17 Dec 2023 06:33:22 -0800 (PST) X-Google-Smtp-Source: AGHT+IGapuRb5mB0pAC7RVBXnR8hfdDatLhwzP9lHRxzmdZDYqxkYebSiwket5RvZIj6Z5yseu2m X-Received: by 2002:a17:907:9486:b0:a1d:c376:216b with SMTP id dm6-20020a170907948600b00a1dc376216bmr17859896ejc.45.1702823602739; Sun, 17 Dec 2023 06:33:22 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1702823602; cv=none; d=google.com; s=arc-20160816; b=AMSehmgjp2omktgM5lYCHfu5DhuHKUXktreyk1ewfw+1ixZyV21DxLFQc3pjJ88pvT w+Ny9XmbKOk2KO4hIHdfuUQmPuppJhOliRw2IXpxmKi5Np7ZLGuCyfGVQXzLd2Wv0jek 93MfsIUsK126hrPGB/uluJy/0DWRXdMNhW3X7TYytYsC/XLvpNhOBCFRDixGftRMqTgJ oDBFP9e95mvqeUJSHSQV0wnZBe7eHJce3axeVCHC41lX2xgf/GrbsWornoJTqFVxI++C BpXl/K74TvyE6b5V2K4YON3+oBuIpDHg5lHuGczR+aio7RCw49orqCMRKEuuxnVEGvbe L/Mg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from; bh=TuqPnXlYTrKbnaOwrLELh1IY56IumYqrEyVvXkSjdS4=; fh=CkYZl1lWjJkhOn5aldfywrl9q1wzY8NWCDxStAxvjs4=; b=a5QVzxR5OswSovi82CEbdH4Xkr758+ZH04coPMaw9qB9q0TWTI4F4LOcYeVW+xPX4i VonJ18b4/bqGmAlQfiuyZ4fxBDYelXRoLy+jDZrNTuylw4BdjCrXqA42VvNPlflezcP7 rI3Y5fsLcWWO0XADNsSJXxAPMPlaz7xAfjnpaUQyL1MckZ/rUinu5oHUQTjgKH1ldXqk uwmHiSlStnMVAYOzyCUP/QQ4JqXlnsMqlBGeKmRpp5nRuY+JYHYIhNlDldL6GdfbTwDX YP5+f/rWx7jEtyVZZaK6uBmmH86B9RsIw4E+964Gzrp1aXpVfoDfSoQltR5eJO6qrs8e eYSQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel+bounces-2636-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-2636-ouuuleilei=gmail.com@vger.kernel.org" Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [147.75.80.249]) by mx.google.com with ESMTPS id z21-20020a1709064e1500b00a2333191858si969821eju.274.2023.12.17.06.33.22 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Dec 2023 06:33:22 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-2636-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel+bounces-2636-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-2636-ouuuleilei=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 5D0C91F2143B for ; Sun, 17 Dec 2023 14:33:22 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C48044A993; Sun, 17 Dec 2023 14:30:29 +0000 (UTC) X-Original-To: linux-kernel@vger.kernel.org Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 698814594E for ; Sun, 17 Dec 2023 14:30:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de 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 1rEs9d-0006Vk-Jz; Sun, 17 Dec 2023 15:30:05 +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 1rEs9d-00GUhN-7G; Sun, 17 Dec 2023 15:30:05 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1rEs9c-004hzD-UL; Sun, 17 Dec 2023 15:30:04 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Krzysztof Kozlowski Cc: kernel@pengutronix.de, Paul Cercueil , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 06/15] memory: jz4780-nemc: Convert to platform remove callback returning void Date: Sun, 17 Dec 2023 15:29:32 +0100 Message-ID: X-Mailer: git-send-email 2.42.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1789; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=GK2KZnqcdPQ7ce5OhcDXJKsNHWUaLDvnl9OrvLYV59Y=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlfwXMSIuOgrnIXMD1kAk4I+wVgUgcHxmTddpF0 qFTcRdlnNaJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZX8FzAAKCRCPgPtYfRL+ Tp05B/4yqfZ5IZZi2h6BJZmfSEXr4OSgNKGOr/3MNfLkaHsCLkJEWUTHMcy0qsug2SfL08iyUpE QakKFZs2XfR6MyCKQRLv5ghZIc6jgP4F2Sr77TQZWQx3ON5P4QOP7vJChRukz+1OI57ZUOwIkbZ 4/LUHd+X8o/mAr92zOJmpdX3JjxqoNMh3unQu0zPpdIbEu+DrJg89IUuypv8XtzVYTqektxTX9F okA21bWCJGXBWLxqI/8y3z1YmerloN3D9USxtZoEiPsyN4IPZzpjFylajsl/56NyZdDcdlLchvx otOqdLbqCCeSpGz6w+Mczf/o7pQtI0U/g/Aqalf/q6/J1xi3 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-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1785539962481486568 X-GMAIL-MSGID: 1785539962481486568 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 Acked-by: Paul Cercueil --- drivers/memory/jz4780-nemc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/memory/jz4780-nemc.c b/drivers/memory/jz4780-nemc.c index e5a93e7da15f..fb6db2ffe71b 100644 --- a/drivers/memory/jz4780-nemc.c +++ b/drivers/memory/jz4780-nemc.c @@ -384,12 +384,11 @@ static int jz4780_nemc_probe(struct platform_device *pdev) return 0; } -static int jz4780_nemc_remove(struct platform_device *pdev) +static void jz4780_nemc_remove(struct platform_device *pdev) { struct jz4780_nemc *nemc = platform_get_drvdata(pdev); clk_disable_unprepare(nemc->clk); - return 0; } static const struct jz_soc_info jz4740_soc_info = { @@ -408,7 +407,7 @@ static const struct of_device_id jz4780_nemc_dt_match[] = { static struct platform_driver jz4780_nemc_driver = { .probe = jz4780_nemc_probe, - .remove = jz4780_nemc_remove, + .remove_new = jz4780_nemc_remove, .driver = { .name = "jz4780-nemc", .of_match_table = of_match_ptr(jz4780_nemc_dt_match),