From patchwork Mon May 8 20:52:38 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: 1778649 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=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4QFYS02pQJz214X for ; Tue, 9 May 2023 06:54:08 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233876AbjEHUyH (ORCPT ); Mon, 8 May 2023 16:54:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233559AbjEHUxw (ORCPT ); Mon, 8 May 2023 16:53:52 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D118583CA for ; Mon, 8 May 2023 13:53:38 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pw7rN-0003vY-PC; Mon, 08 May 2023 22:53:29 +0200 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1pw7rN-0024u6-2Z; Mon, 08 May 2023 22:53:29 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pw7rL-002YYf-AH; Mon, 08 May 2023 22:53:27 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Wolfram Sang , Phil Edworthy , Andy Shevchenko , Philipp Zabel Cc: linux-i2c@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 61/89] i2c: rzv2m: Convert to platform remove callback returning void Date: Mon, 8 May 2023 22:52:38 +0200 Message-Id: <20230508205306.1474415-62-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230508205306.1474415-1-u.kleine-koenig@pengutronix.de> References: <20230508205306.1474415-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1803; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=lYzBhN3CLo0tTdlbQVi68GVdZNFdgBpGdJlKDlzNqpI=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBkWWD6Mj6DvNivNsTEpHUsluQoe64t1578b2osL 4NGiBOoEn2JATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZFlg+gAKCRCPgPtYfRL+ TvZHB/41ux1842mAfEatBpQSM6teB4gU9wuj2oHStEID82XTXIX7drEYiutBzdJV6YJO9aovCdD EPs5V0SAbeEyjwuQRb9LPkHmj+fuqvZvbWxb0Tu66hf3Qc2Cu2Udgqrm4zQpoZviY8xP7pSzP+M FxFe1e7bPMMem+Ww89w0G5GfUMcsHzCLCjq2N/sA5c4nX3NfoZZo1rZnbpaJWq8Rzxnurpgf8e3 5eJktLNEs13xQCv+oGq3uIvyBFysRLzwoDaamjSYG1KocKPkASPKc5VNh2NWzDTj9pH93b2hoal 1IRfS0QW0vyKlMsZLuWBliKxXAj+mKYXCFHLYPzkGkPNTs06 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.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-i2c@vger.kernel.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org 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 (mostly) ignored 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. Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König --- drivers/i2c/busses/i2c-rzv2m.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/busses/i2c-rzv2m.c b/drivers/i2c/busses/i2c-rzv2m.c index 56d0faee5c46..dee9b6e655c5 100644 --- a/drivers/i2c/busses/i2c-rzv2m.c +++ b/drivers/i2c/busses/i2c-rzv2m.c @@ -460,7 +460,7 @@ static int rzv2m_i2c_probe(struct platform_device *pdev) return ret; } -static int rzv2m_i2c_remove(struct platform_device *pdev) +static void rzv2m_i2c_remove(struct platform_device *pdev) { struct rzv2m_i2c_priv *priv = platform_get_drvdata(pdev); struct device *dev = priv->adap.dev.parent; @@ -468,8 +468,6 @@ static int rzv2m_i2c_remove(struct platform_device *pdev) i2c_del_adapter(&priv->adap); bit_clrl(priv->base + IICB0CTL0, IICB0IICE); pm_runtime_disable(dev); - - return 0; } static int rzv2m_i2c_suspend(struct device *dev) @@ -523,7 +521,7 @@ static struct platform_driver rzv2m_i2c_driver = { .pm = pm_sleep_ptr(&rzv2m_i2c_pm_ops), }, .probe = rzv2m_i2c_probe, - .remove = rzv2m_i2c_remove, + .remove_new = rzv2m_i2c_remove, }; module_platform_driver(rzv2m_i2c_driver);