From patchwork Fri Mar 3 17:19:35 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: 658981 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 81271C7EE2D for ; Fri, 3 Mar 2023 17:21:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231531AbjCCRVG (ORCPT ); Fri, 3 Mar 2023 12:21:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39238 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231482AbjCCRVB (ORCPT ); Fri, 3 Mar 2023 12:21:01 -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 E1F624743A for ; Fri, 3 Mar 2023 09:20:59 -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 1pY95V-0006YC-4p; Fri, 03 Mar 2023 18:20:57 +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 1pY95U-001bkG-7S; Fri, 03 Mar 2023 18:20:56 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pY95T-001tjA-49; Fri, 03 Mar 2023 18:20:55 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Serge Semin , Mark Brown Cc: linux-spi@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 21/87] spi: dw-bt1: Convert to platform remove callback returning void Date: Fri, 3 Mar 2023 18:19:35 +0100 Message-Id: <20230303172041.2103336-22-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230303172041.2103336-1-u.kleine-koenig@pengutronix.de> References: <20230303172041.2103336-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1749; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=f8XDAdS8N+Ob/WMdOU1gTk09nlxqgYFvHk5Y154sA1I=; b=owEBbQGS/pANAwAKAcH8FHityuwJAcsmYgBkAitaHFfKWnyxrTOrAGs5s+qvatmzxeIa9n1ef Qo2HocG8cKJATMEAAEKAB0WIQR+cioWkBis/z50pAvB/BR4rcrsCQUCZAIrWgAKCRDB/BR4rcrs CchEB/oD2OM8YxsvqTW43mVuTeUrh8cc02Z+zbyQgBCNymrvJSnWNY7ESzI4JSnwE7MCe4fgS5Q rsFycJ4j7Z1GPB2XYrlWqVwGGqIKaIHUywBsD8uBmF0UFgv2XN2/xscAVuBZtoj7/RNN3ShEk6v FIUNV/rEr/CK0t7lwJggRoS1L+Lnk72Mpb26UVurSwtgLMgK352v2XLw/UBVcZkn1/Dw3E4c4T+ QtfmZQ3mhlw0ew9ijh93aLK8SBejPH6+SlNpzKoA8gF2AF5hcjSLt3h+jKn4r9NhhZ6VCbFUjRR sE/JpfiSPeLhZKYarXdGlX/EmNlv4MpFSoHRAHTB7mONyj9k 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-spi@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@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/spi/spi-dw-bt1.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-dw-bt1.c b/drivers/spi/spi-dw-bt1.c index 3fb89dee595e..5e1c01822967 100644 --- a/drivers/spi/spi-dw-bt1.c +++ b/drivers/spi/spi-dw-bt1.c @@ -308,7 +308,7 @@ static int dw_spi_bt1_probe(struct platform_device *pdev) return ret; } -static int dw_spi_bt1_remove(struct platform_device *pdev) +static void dw_spi_bt1_remove(struct platform_device *pdev) { struct dw_spi_bt1 *dwsbt1 = platform_get_drvdata(pdev); @@ -317,8 +317,6 @@ static int dw_spi_bt1_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); clk_disable_unprepare(dwsbt1->clk); - - return 0; } static const struct of_device_id dw_spi_bt1_of_match[] = { @@ -330,7 +328,7 @@ MODULE_DEVICE_TABLE(of, dw_spi_bt1_of_match); static struct platform_driver dw_spi_bt1_driver = { .probe = dw_spi_bt1_probe, - .remove = dw_spi_bt1_remove, + .remove_new = dw_spi_bt1_remove, .driver = { .name = "bt1-sys-ssi", .of_match_table = dw_spi_bt1_of_match,