From patchwork Mon Sep 18 13:36:50 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: 724433 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 21D0DC46CA1 for ; Mon, 18 Sep 2023 16:19:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230064AbjIRQTf (ORCPT ); Mon, 18 Sep 2023 12:19:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230200AbjIRQTT (ORCPT ); Mon, 18 Sep 2023 12:19:19 -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 456795B81 for ; Mon, 18 Sep 2023 09:09:37 -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 1qiER5-00024w-JQ; Mon, 18 Sep 2023 15:37:11 +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 1qiER5-007EZO-5Y; Mon, 18 Sep 2023 15:37:11 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qiER4-002fXG-Sa; Mon, 18 Sep 2023 15:37:10 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Sebastian Reichel Cc: Andy Gross , Bjorn Andersson , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 22/32] power: supply: qcom_smbb: Convert to platform remove callback returning void Date: Mon, 18 Sep 2023 15:36:50 +0200 Message-Id: <20230918133700.1254499-23-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230918133700.1254499-1-u.kleine-koenig@pengutronix.de> References: <20230918133700.1254499-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1852; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=4twwal5CxO05aJdYGCbLEbuMJZAYxeRM+s8fOAENmkE=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlCFJpl1W9dWhwlKYrUlRNCGkMmYKxzkyXXwa2c Rr+map4pUWJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZQhSaQAKCRCPgPtYfRL+ TtNYCACt0BLDIBGVZ16APWEjpvAppn36ltBpvcueMFQUST8wu0scA9Uog2gi/Z2bX12n+CVmQC+ 7WOTEoMO0BH9T/RkWUvNtsQUv7thWg6mCnv3FiN/Fsc+tiUHpYqqKzsSPj0CYkeQRqzTwtMiqVF UJeN9NqG+cCqb8jQ1GtbOLOACmHlRjVs900JWOdY5xv0VGrUKFcs4i+OT3WQRqjNaqvoTDVHq/x mzHTSF+0yegOczp/9wjWHco6dUZdb8W8AWCDsQFtEHFqscNi6fOL4zpi8mSWeAa31rsmFdKvE34 j/TnLb8Z0Og74Ht/22i2FO940CUFF8jNQdKMj2CPw+TU2/r6 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-arm-msm@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@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() is 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/power/supply/qcom_smbb.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/power/supply/qcom_smbb.c b/drivers/power/supply/qcom_smbb.c index bd50124eef9f..4e57762e27ba 100644 --- a/drivers/power/supply/qcom_smbb.c +++ b/drivers/power/supply/qcom_smbb.c @@ -1000,15 +1000,13 @@ static int smbb_charger_probe(struct platform_device *pdev) return 0; } -static int smbb_charger_remove(struct platform_device *pdev) +static void smbb_charger_remove(struct platform_device *pdev) { struct smbb_charger *chg; chg = platform_get_drvdata(pdev); regmap_update_bits(chg->regmap, chg->addr + SMBB_CHG_CTRL, CTRL_EN, 0); - - return 0; } static const struct of_device_id smbb_charger_id_table[] = { @@ -1020,7 +1018,7 @@ MODULE_DEVICE_TABLE(of, smbb_charger_id_table); static struct platform_driver smbb_charger_driver = { .probe = smbb_charger_probe, - .remove = smbb_charger_remove, + .remove_new = smbb_charger_remove, .driver = { .name = "qcom-smbb", .of_match_table = smbb_charger_id_table,