From patchwork Fri Mar 3 17:20:15 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: 658703 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 263BCC7EE32 for ; Fri, 3 Mar 2023 17:21:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230387AbjCCRV0 (ORCPT ); Fri, 3 Mar 2023 12:21:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231437AbjCCRVL (ORCPT ); Fri, 3 Mar 2023 12:21:11 -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 969884DBC6 for ; Fri, 3 Mar 2023 09:21:07 -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 1pY95d-00070Y-Dq; Fri, 03 Mar 2023 18:21:05 +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 1pY95c-001bnR-Df; Fri, 03 Mar 2023 18:21:04 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pY95b-001tlk-5k; Fri, 03 Mar 2023 18:21:03 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Mark Brown Cc: linux-spi@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 61/87] spi: rspi: Convert to platform remove callback returning void Date: Fri, 3 Mar 2023 18:20:15 +0100 Message-Id: <20230303172041.2103336-62-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=1631; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=QQA3DxPWlL3DaRiXjnUzCJPOLgqT0Lar+SVir3luNXw=; b=owEBbQGS/pANAwAKAcH8FHityuwJAcsmYgBkAiv4hUvIRrKhk6qZv3vft1Jg3le4Bqs9EuJdw lH4p7tT0pWJATMEAAEKAB0WIQR+cioWkBis/z50pAvB/BR4rcrsCQUCZAIr+AAKCRDB/BR4rcrs CVzzCACDuX8Kz3YFGWWcsy8kbwDURMqyMkqkmnpyWCDLIWtK0CH8Jwc+EP24q9LAwLB7PSyA0VG znKf/DDi/HPkS9X2+5XIH27zz4GNGg2I8JfUoBrCGwSvd4GBBCSQZ5YGtO9aFjSgUSw2HlgxpeP wq0LloS6mu1YF/PD7tGOpOBkuAHT4S9ETE38mINFjLBcVkEzQb82OXJ671bLsk1zd9vt/hXaytG FulNvixF0KdCUeTD6SYIpVhrenJmFIEKhTuXXECbKMmt3EHjybDfe2TNxpwhlaTBIbFJ/xRqIMl 8cnZtIxUBefgs1wEnkQmLo5ffq7l9GC6E5T4hs/HBDxn8/tX 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-rspi.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c index 411b1307b7fd..f494c86bafea 100644 --- a/drivers/spi/spi-rspi.c +++ b/drivers/spi/spi-rspi.c @@ -1172,14 +1172,12 @@ static void rspi_release_dma(struct spi_controller *ctlr) dma_release_channel(ctlr->dma_rx); } -static int rspi_remove(struct platform_device *pdev) +static void rspi_remove(struct platform_device *pdev) { struct rspi_data *rspi = platform_get_drvdata(pdev); rspi_release_dma(rspi->ctlr); pm_runtime_disable(&pdev->dev); - - return 0; } static const struct spi_ops rspi_ops = { @@ -1440,7 +1438,7 @@ static SIMPLE_DEV_PM_OPS(rspi_pm_ops, rspi_suspend, rspi_resume); static struct platform_driver rspi_driver = { .probe = rspi_probe, - .remove = rspi_remove, + .remove_new = rspi_remove, .id_table = spi_driver_ids, .driver = { .name = "renesas_spi",