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[2620:137:e000::3:5]) by mx.google.com with ESMTPS id a27-20020a637f1b000000b005824bad8f83si7223111pgd.846.2023.10.09.02.24.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Oct 2023 02:24:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id B446580A4146; Mon, 9 Oct 2023 02:24:08 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345906AbjJIJXf (ORCPT + 18 others); Mon, 9 Oct 2023 05:23:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345780AbjJIJW5 (ORCPT ); Mon, 9 Oct 2023 05:22:57 -0400 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [IPv6:2a0a:edc0:2:b01:1d::104]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A66610B for ; Mon, 9 Oct 2023 02:22:46 -0700 (PDT) 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 1qpmTF-0006u0-3A; Mon, 09 Oct 2023 11:22:37 +0200 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 1qpmTE-000NX4-MJ; Mon, 09 Oct 2023 11:22:36 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qpmTE-00C4pX-D2; Mon, 09 Oct 2023 11:22:36 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Linus Walleij Cc: Tony Lindgren , Haojian Zhuang , linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 12/20] pinctrl: single: Convert to platform remove callback returning void Date: Mon, 9 Oct 2023 10:38:48 +0200 Message-Id: <20231009083856.222030-13-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231009083856.222030-1-u.kleine-koenig@pengutronix.de> References: <20231009083856.222030-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1718; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=a/v66eHU5Uj0mdLHd/QFQaWVOjMQuym5mHOAFMrvkQo=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlI7wMpQfffOI+H9Vi/B/d91YEdLm5ZWEcXq4/D AEvGVfpkcyJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZSO8DAAKCRCPgPtYfRL+ TqL0CAC3v82p5Lv7oN5Wy3K6FJmKhHnhom34PdJZSWq78xBLF1KufxJbcTFiyVO+Zsmp3afdWvu 714iTYS+1erVsGJ/c6pHn28JHuYEgo/K7nQfx1RBmWyGbsv/4tYf1JRHq/+OiJM3oKqJqVnRYka KyACUXPnItwsfQA8UU6jMRbGgEXWzW2nYgj63NTwEmbYOLYq7QRl3SnRdxxCf8ZQgVGDC0xSWsu 4wW5IXkcRWvcvi0r7k2o3npSnzmZepMhoDomj8c0eBdAPKoR5TV9mS3QDxcuBUCuinyadge+OY4 sBbvV5GdCjcOGe3S2ZO0mjb2PNnds/PboCOBcR7knUT0rTys 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-Spam-Status: No, score=2.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Mon, 09 Oct 2023 02:24:08 -0700 (PDT) X-Spam-Level: ** X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779269327204133739 X-GMAIL-MSGID: 1779269327204133739 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/pinctrl/pinctrl-single.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index f6c02c8b934d..1f915269d347 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1925,13 +1925,11 @@ static int pcs_probe(struct platform_device *pdev) return ret; } -static int pcs_remove(struct platform_device *pdev) +static void pcs_remove(struct platform_device *pdev) { struct pcs_device *pcs = platform_get_drvdata(pdev); pcs_free_resources(pcs); - - return 0; } static const struct pcs_soc_data pinctrl_single_omap_wkup = { @@ -1979,7 +1977,7 @@ MODULE_DEVICE_TABLE(of, pcs_of_match); static struct platform_driver pcs_driver = { .probe = pcs_probe, - .remove = pcs_remove, + .remove_new = pcs_remove, .driver = { .name = DRIVER_NAME, .of_match_table = pcs_of_match,