From patchwork Sat Mar 4 13:29:55 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: 1751790 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-rtc-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 4PTQkl56z9z2467 for ; Sun, 5 Mar 2023 00:32:47 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229914AbjCDNcq (ORCPT ); Sat, 4 Mar 2023 08:32:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34290 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229870AbjCDNcn (ORCPT ); Sat, 4 Mar 2023 08:32:43 -0500 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 62927222F0 for ; Sat, 4 Mar 2023 05:32:17 -0800 (PST) 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 1pYRyG-0000ce-Mj; Sat, 04 Mar 2023 14:30:44 +0100 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 1pYRyG-001nZe-0R; Sat, 04 Mar 2023 14:30:44 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pYRyE-0027Gg-QS; Sat, 04 Mar 2023 14:30:42 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Alessandro Zummo , Alexandre Belloni Cc: linux-rtc@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 08/41] rtc: cadence: Convert to platform remove callback returning void Date: Sat, 4 Mar 2023 14:29:55 +0100 Message-Id: <20230304133028.2135435-9-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230304133028.2135435-1-u.kleine-koenig@pengutronix.de> References: <20230304133028.2135435-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1651; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=fqAwrgM7HA4cFVQpfw7DiTcLZZUh3kSOSWvlxzkgq8w=; b=owEBbQGS/pANAwAKAcH8FHityuwJAcsmYgBkA0eAZVSIjNhbrPLpfvodJXbheTnqULcCE/AzZ VTpBl7pj/yJATMEAAEKAB0WIQR+cioWkBis/z50pAvB/BR4rcrsCQUCZANHgAAKCRDB/BR4rcrs CV2tB/9rsE8Gs1bHNZqVIeDxiXYerNSa8Hza9nr32lglFIbAJZGq71aKS6mKm4Dyet2Fpk4oigG 9HEQ+iq5LPamEB2TXNlcOE3B+VWttnaEj1Kidl8SSeVTHpTnuB2IdNFi30yDEfELvpLBIMjvWDZ yIc9Y6reHvRExadLszkMLj/UMsXih2YlEAiOGrBHS7WhLMSa+IhWCW9D3IvuUy/kI57h6TuMY63 2Pn4aZlMBE0YG7EqAWI+ESLbN1+i6R+46Hz6yuZdWMrrFJHED1UL3/vTb63xr9+RRw01oc0JZi4 bYKabOMTs0XRWEskf5f9B4UqgkjAMBr5/gD7U2EeKI6bodvY 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-rtc@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 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-rtc@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/rtc/rtc-cadence.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/rtc/rtc-cadence.c b/drivers/rtc/rtc-cadence.c index 1edf7f16d73a..4ca60b519836 100644 --- a/drivers/rtc/rtc-cadence.c +++ b/drivers/rtc/rtc-cadence.c @@ -354,7 +354,7 @@ static int cdns_rtc_probe(struct platform_device *pdev) return ret; } -static int cdns_rtc_remove(struct platform_device *pdev) +static void cdns_rtc_remove(struct platform_device *pdev) { struct cdns_rtc *crtc = platform_get_drvdata(pdev); @@ -363,8 +363,6 @@ static int cdns_rtc_remove(struct platform_device *pdev) clk_disable_unprepare(crtc->pclk); clk_disable_unprepare(crtc->ref_clk); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -404,7 +402,7 @@ static struct platform_driver cdns_rtc_driver = { .pm = &cdns_rtc_pm_ops, }, .probe = cdns_rtc_probe, - .remove = cdns_rtc_remove, + .remove_new = cdns_rtc_remove, }; module_platform_driver(cdns_rtc_driver);