From patchwork Fri Mar 3 17:19:49 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: 658975 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 2E995C7EE2F for ; Fri, 3 Mar 2023 17:21:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231624AbjCCRVO (ORCPT ); Fri, 3 Mar 2023 12:21:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231363AbjCCRVF (ORCPT ); Fri, 3 Mar 2023 12:21:05 -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 2510F46173 for ; Fri, 3 Mar 2023 09:21:04 -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 1pY95X-0006jk-PT; Fri, 03 Mar 2023 18:20:59 +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 1pY95W-001blH-KZ; Fri, 03 Mar 2023 18:20:58 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pY95V-001tk5-UR; Fri, 03 Mar 2023 18:20:57 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Mark Brown , Neil Armstrong , Kevin Hilman Cc: Jerome Brunet , Martin Blumenstingl , linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, kernel@pengutronix.de Subject: [PATCH 35/87] spi: meson-spifc: Convert to platform remove callback returning void Date: Fri, 3 Mar 2023 18:19:49 +0100 Message-Id: <20230303172041.2103336-36-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=1854; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=V5nExC369g9w2BPhMLN/ksgUEQ4NdUM7PLbWh6nlt/U=; b=owEBbQGS/pANAwAKAcH8FHityuwJAcsmYgBkAiuTxhgFrMMlWot5x24gJMir9kRj+snNI1jGR Z+3CRX7itaJATMEAAEKAB0WIQR+cioWkBis/z50pAvB/BR4rcrsCQUCZAIrkwAKCRDB/BR4rcrs CZl0CACI68St2Bf6RIQ770thnASVOLSkjCSsiGDyaF+/7W/w6EbUczZMf3H2nkSuc8ZGECJaO25 fub+Tq8nvXK4i0fJyAkyJ+CfOfvMxSeFKwHw12QQN2O2yxWm95foQXpMlmSFOD87rb8IENFIMcM aQQoVWrlBs5Ot8I+jfZhZBc+jUkY8IcpHzYcOKAvKkA7s3wKXbPsrLIZsLSzra9CMtvfPmMkrJg JNf/mdx+GeL9mx1VUeLScIs2DRDOiLPuLvCbzlV5Iq4QMuoh/ajurf+r2+s0glY3Kxq4TZugzX+ GpFDcSgWwD4LSL7iqc9IEdpIhao0l0FDhXGHF5Z0y/CazkRN 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-meson-spifc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-meson-spifc.c b/drivers/spi/spi-meson-spifc.c index c8ed7815c4ba..06626f406f68 100644 --- a/drivers/spi/spi-meson-spifc.c +++ b/drivers/spi/spi-meson-spifc.c @@ -355,7 +355,7 @@ static int meson_spifc_probe(struct platform_device *pdev) return ret; } -static int meson_spifc_remove(struct platform_device *pdev) +static void meson_spifc_remove(struct platform_device *pdev) { struct spi_master *master = platform_get_drvdata(pdev); struct meson_spifc *spifc = spi_master_get_devdata(master); @@ -363,8 +363,6 @@ static int meson_spifc_remove(struct platform_device *pdev) pm_runtime_get_sync(&pdev->dev); clk_disable_unprepare(spifc->clk); pm_runtime_disable(&pdev->dev); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -442,7 +440,7 @@ MODULE_DEVICE_TABLE(of, meson_spifc_dt_match); static struct platform_driver meson_spifc_driver = { .probe = meson_spifc_probe, - .remove = meson_spifc_remove, + .remove_new = meson_spifc_remove, .driver = { .name = "meson-spifc", .of_match_table = of_match_ptr(meson_spifc_dt_match),