From nobody Thu Nov 14 05:17:06 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D33C8CE7A81 for ; Mon, 25 Sep 2023 09:55:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229757AbjIYJ4C (ORCPT ); Mon, 25 Sep 2023 05:56:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34408 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229805AbjIYJzr (ORCPT ); Mon, 25 Sep 2023 05:55:47 -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 434CCA3 for ; Mon, 25 Sep 2023 02:55:41 -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 1qkiJW-0007ow-P3; Mon, 25 Sep 2023 11:55:38 +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 1qkiJW-008pzJ-BI; Mon, 25 Sep 2023 11:55:38 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qkiJW-004dl8-24; Mon, 25 Sep 2023 11:55:38 +0200 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: Karol Gugala , Mateusz Holenko , Gabriel Somlo , Joel Stanley Cc: linux-kernel@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 12/40] soc/litex: litex_soc_ctrl: Convert to platform remove callback returning void Date: Mon, 25 Sep 2023 11:55:03 +0200 Message-Id: <20230925095532.1984344-13-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230925095532.1984344-1-u.kleine-koenig@pengutronix.de> References: <20230925095532.1984344-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Developer-Signature: v=1; a=openpgp-sha256; l=1834; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=+aJKU9kQ906MNGjvm2UkK9UOq1OE6knQipDDEsBvRok=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlEVhNqCRoX3E4tgYELpgXaTNQI0/SvvNFeLtdI b55H1R1c+iJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZRFYTQAKCRCPgPtYfRL+ Ts5KB/sGPfoH5i1nQoeV08Wpif32WBtRNbG3tWRhtvBYv8/jkPBuLyVPdFvPmarJ2uXvu++QqZQ KzOT3RBgwE21ZEZc9UfbOsLi/fT5s8kErxZth+P6ynkpTSM8jGIGM4nrdKiljcChlUa/qhCwWI8 BOjZOL85i+QXSg1nNW/Kp4b5QU1p9l3lwCA7zIbMMN8H3mFjQcTUowAYTLaTytCFMNoi/nqcvpN 7lDomFtFdeln3Y4F6LCs85QRun4zgHT9WSPtCflnI48vaVuNyBfIo4Q9yRhsfZ4mTGCTEeNrkGl DKpobOZJHu9c9e/e7KKoB2iIfBg1gNs+GcSk3lMO5nLSMS3o X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 Content-Transfer-Encoding: quoted-printable 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 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-K=C3=B6nig Acked-by: Gabriel Somlo --- drivers/soc/litex/litex_soc_ctrl.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/soc/litex/litex_soc_ctrl.c b/drivers/soc/litex/litex_s= oc_ctrl.c index f75790091d38..10813299aa10 100644 --- a/drivers/soc/litex/litex_soc_ctrl.c +++ b/drivers/soc/litex/litex_soc_ctrl.c @@ -120,12 +120,11 @@ static int litex_soc_ctrl_probe(struct platform_devic= e *pdev) return 0; } =20 -static int litex_soc_ctrl_remove(struct platform_device *pdev) +static void litex_soc_ctrl_remove(struct platform_device *pdev) { struct litex_soc_ctrl_device *soc_ctrl_dev =3D platform_get_drvdata(pdev); =20 unregister_restart_handler(&soc_ctrl_dev->reset_nb); - return 0; } =20 static struct platform_driver litex_soc_ctrl_driver =3D { @@ -134,7 +133,7 @@ static struct platform_driver litex_soc_ctrl_driver =3D= { .of_match_table =3D of_match_ptr(litex_soc_ctrl_of_match) }, .probe =3D litex_soc_ctrl_probe, - .remove =3D litex_soc_ctrl_remove, + .remove_new =3D litex_soc_ctrl_remove, }; =20 module_platform_driver(litex_soc_ctrl_driver); --=20 2.40.1