From patchwork Fri Mar 3 17:19:17 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: 658948 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 6DA76C83005 for ; Fri, 3 Mar 2023 17:22:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231617AbjCCRVw (ORCPT ); Fri, 3 Mar 2023 12:21:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231491AbjCCRVb (ORCPT ); Fri, 3 Mar 2023 12:21:31 -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 98F4E559CD for ; Fri, 3 Mar 2023 09:21:19 -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-0006P2-0S; 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 1pY95Q-001bio-Fa; Fri, 03 Mar 2023 18:20:52 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pY95P-001ti2-KO; Fri, 03 Mar 2023 18:20:51 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Chin-Ting Kuo , =?utf-8?q?C=C3=A9dric_Le_G?= =?utf-8?q?oater?= , Mark Brown , Joel Stanley Cc: Andrew Jeffery , linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org, linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de Subject: [PATCH 03/87] spi: aspeed-smc: Convert to platform remove callback returning void Date: Fri, 3 Mar 2023 18:19:17 +0100 Message-Id: <20230303172041.2103336-4-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=1627; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=o5sJFUxoNT7gwytQoziVYIAoannDkz/5r4cZ/QJwJjk=; b=owEBbQGS/pANAwAKAcH8FHityuwJAcsmYgBkAisW7UH+01oobN1QWAUpph1uqBXyOJkpZ0nOy DUyy4zqZLmJATMEAAEKAB0WIQR+cioWkBis/z50pAvB/BR4rcrsCQUCZAIrFgAKCRDB/BR4rcrs CVMZB/9QkIFFT+vICGEx1YNlTkfjJVHM2QBt+NJNDA+HWzdkKDRW887iFtRGjsWRE9BbDDMkdP7 pUvFIYAZp+H13c8zm+6MujgtilCOebLnxM+rB1tZWKrsONWuAEJMo3QAofdSv/QnHWqaM6saL2L 5B54oAhsa13wvLhOso6pteb1zacagtz6GwAN+L2lgWDf/rCWobpodrdf8oq7WPjyB2GHOBED8xR 17oUoJcLxpNIPvs6raYkbYKRTFY2z7dgYJKGg1gapaqJvnZsC/VY056kJnhA10Fd07y+dj4cxFH DHibwpa3DL752UFe8mGEYBxFceANuh4Jzs2Jv6cjw3c6hWch 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 Acked-by: Cédric Le Goater --- drivers/spi/spi-aspeed-smc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spi-aspeed-smc.c b/drivers/spi/spi-aspeed-smc.c index 873ff2cf72c9..3f2548860317 100644 --- a/drivers/spi/spi-aspeed-smc.c +++ b/drivers/spi/spi-aspeed-smc.c @@ -787,13 +787,12 @@ static int aspeed_spi_probe(struct platform_device *pdev) return ret; } -static int aspeed_spi_remove(struct platform_device *pdev) +static void aspeed_spi_remove(struct platform_device *pdev) { struct aspeed_spi *aspi = platform_get_drvdata(pdev); aspeed_spi_enable(aspi, false); clk_disable_unprepare(aspi->clk); - return 0; } /* @@ -1201,7 +1200,7 @@ MODULE_DEVICE_TABLE(of, aspeed_spi_matches); static struct platform_driver aspeed_spi_driver = { .probe = aspeed_spi_probe, - .remove = aspeed_spi_remove, + .remove_new = aspeed_spi_remove, .driver = { .name = DEVICE_NAME, .of_match_table = aspeed_spi_matches,