From patchwork Mon Sep 25 09:54:58 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: 13397591 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7977ACE7A95 for ; Mon, 25 Sep 2023 09:56:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=RLhlLvYX8f3fESuLk0Fkrsgs2iLsVKS818UrEKY68ng=; b=e+zfehMcHUIMa8 +A7dOHCJoWsdvDGc+/IIWV5qDUefAMObQHeQScRKzqvbMrXwK6FDs5HcSYP6qGDi+OtKPUz2s5zM8 667dphvjvTmso+CvwbZMMqYJ4gvgpnw/fFG/tsFBkhTeVSnDGiNwS0o7g1ZSudKSfzetXswSKKvys pQd3rEiejBw+GtpHq8/QUmyPYPoWrdzF8d8gZcbks/uW44JgYKvoGAvRImG9izAWxX+hHSwQ5epSn 0t04jRT+rgMlv2Q3qG6uusgV4JksAsJnbGH7ERbwcO3XzZEuKI0jTxT6mm2Du5j88UbMcKqYO+2ga sGYx7DOkioDVVGG5UQVw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qkiJo-00Dtn4-1B; Mon, 25 Sep 2023 09:55:56 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qkiJY-00Dtd1-12 for linux-arm-kernel@lists.infradead.org; Mon, 25 Sep 2023 09:55:41 +0000 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 1qkiJV-0007mR-LL; Mon, 25 Sep 2023 11:55:37 +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 1qkiJV-008pyw-7U; Mon, 25 Sep 2023 11:55:37 +0200 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qkiJU-004dko-UR; Mon, 25 Sep 2023 11:55:36 +0200 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Herve Codina , Qiang Zhao , Li Yang Cc: linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 07/40] soc/fsl: cpm: tsa: Convert to platform remove callback returning void Date: Mon, 25 Sep 2023 11:54:58 +0200 Message-Id: <20230925095532.1984344-8-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230925095532.1984344-1-u.kleine-koenig@pengutronix.de> References: <20230925095532.1984344-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1726; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=eIuwBQKxvMu1FI84lx/swtTa9hFNjHXOr6M8QJPy0WA=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlEVhH9CZ2hQKgImN9WjTkQ3iRo1V+LMO8M+F0y jbaF1GCabqJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZRFYRwAKCRCPgPtYfRL+ Th7AB/4+hD7+cFdG8f9bqHr0Vm21pZY/sJ0j6fNfFD+lJSk6zY4N5qfSlbuMRHcKpUsD8+Pbjrg EK6RebOZM8bsEubYcfLNJSH9ZHwIisw7EntAnsNpjHuDc2IXXUJTd5kA6doq6IhzkgDQ7xTD6Q1 bx5dnriRfZz8B2ZERpkD9YqqVRK4V3Jpe54sSPt3TtDNVKk3+wbqQDcBjlmHjST4dSJy21/UDiT 5y4g8tcKSv4ECxtMASk8gIuMXjNCWK+YHcrwEATMaRXz73ipCx0Qbvrx8mUAwlEHV4eqQBvhyeL GtBfvB6Ahq6pCei4odfB4YG5gVmNZ5TxvKTrneUQJiZ/ftQy 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-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230925_025540_357959_DFCF9425 X-CRM114-Status: GOOD ( 16.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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() will be 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 Acked-by: Herve Codina --- drivers/soc/fsl/qe/tsa.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/soc/fsl/qe/tsa.c b/drivers/soc/fsl/qe/tsa.c index 3646153117b3..3f9981335590 100644 --- a/drivers/soc/fsl/qe/tsa.c +++ b/drivers/soc/fsl/qe/tsa.c @@ -706,7 +706,7 @@ static int tsa_probe(struct platform_device *pdev) return 0; } -static int tsa_remove(struct platform_device *pdev) +static void tsa_remove(struct platform_device *pdev) { struct tsa *tsa = platform_get_drvdata(pdev); int i; @@ -729,7 +729,6 @@ static int tsa_remove(struct platform_device *pdev) clk_put(tsa->tdm[i].l1rclk_clk); } } - return 0; } static const struct of_device_id tsa_id_table[] = { @@ -744,7 +743,7 @@ static struct platform_driver tsa_driver = { .of_match_table = of_match_ptr(tsa_id_table), }, .probe = tsa_probe, - .remove = tsa_remove, + .remove_new = tsa_remove, }; module_platform_driver(tsa_driver);