From patchwork Wed Mar 22 17:02:20 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: 13184344 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 477F5C6FD1C for ; Wed, 22 Mar 2023 17:02:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9E16B10E98D; Wed, 22 Mar 2023 17:02:50 +0000 (UTC) Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1A34710E98D for ; Wed, 22 Mar 2023 17:02:32 +0000 (UTC) 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 1pf1r3-0000Sv-EQ; Wed, 22 Mar 2023 18:02:29 +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 1pf1r2-005xkO-KX; Wed, 22 Mar 2023 18:02:28 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1pf1r1-0075pq-Mh; Wed, 22 Mar 2023 18:02:27 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Thierry Reding , David Airlie , Daniel Vetter , Jonathan Hunter Subject: [PATCH 09/12] drm/tegra: hub: Convert to platform remove callback returning void Date: Wed, 22 Mar 2023 18:02:20 +0100 Message-Id: <20230322170223.410376-10-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230322170223.410376-1-u.kleine-koenig@pengutronix.de> References: <20230322170223.410376-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1737; i=u.kleine-koenig@pengutronix.de; h=from:subject; bh=3wdphDo4ZxC+Mq2PaezqP4DzAoIloiZ1wlsISjek/f0=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBkGzSYb5Q9MPG2FrJJcO6xYquHy9/qFOs1cTtEQ +qL7srmw+WJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZBs0mAAKCRCPgPtYfRL+ TjhRCACj06gZPJ9jK3i9RgdCBvq3zgFqT8fJmJS3ZBwT4Bu0hffskZpfCjMhtGyvgqv7RyB1vne cutJXdPsGfYAdYyIAyRTRcOzfticvQFVAGChnlv2kV8Vxjr54yOBGfEh9eLupoyuOVYAOIrBfSr 1i8aZSMC+VDrJoWqkd7OQLTPB1bHBEIe93/9AdRxMXSDBtg2Cv4hnHItc7o1EKo7Ik0PNzoPHZr F0Bjun8SSOYoSBW/EUqugUvSmEKU3qXwDxVBpCYWjt2Ri7HrPgVTJkganIjy7XB0DLN5lssGxiG SJg6lXcihCI3oj/u3k9OkWyKEnRJhoyAa9nYGBCM1lgv0MG/ 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: dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-tegra@vger.kernel.org, kernel@pengutronix.de, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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/gpu/drm/tegra/hub.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c index 2c91dc444085..916857361a91 100644 --- a/drivers/gpu/drm/tegra/hub.c +++ b/drivers/gpu/drm/tegra/hub.c @@ -1174,7 +1174,7 @@ static int tegra_display_hub_probe(struct platform_device *pdev) return err; } -static int tegra_display_hub_remove(struct platform_device *pdev) +static void tegra_display_hub_remove(struct platform_device *pdev) { struct tegra_display_hub *hub = platform_get_drvdata(pdev); unsigned int i; @@ -1188,8 +1188,6 @@ static int tegra_display_hub_remove(struct platform_device *pdev) } pm_runtime_disable(&pdev->dev); - - return 0; } static const struct tegra_display_hub_soc tegra186_display_hub = { @@ -1221,5 +1219,5 @@ struct platform_driver tegra_display_hub_driver = { .of_match_table = tegra_display_hub_of_match, }, .probe = tegra_display_hub_probe, - .remove = tegra_display_hub_remove, + .remove_new = tegra_display_hub_remove, };