From patchwork Tue Dec 17 17:39:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alain Volmat X-Patchwork-Id: 13912363 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 035EFE77184 for ; Tue, 17 Dec 2024 18:08:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:CC:To:In-Reply-To:References :Message-ID:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=fuFnMO3ijaaacswBw6QbcsmE5nKXXLvyIsQw+1GMwgY=; b=P5Q6y/HeYcAUcsgUFRbkNmX8l8 wXcFoj+dCnNRmcfKObMKmBLYHk+c/qjbHvmry9KudnfeE3jt4HQr9kHkJl6zHypGeUS5bKHaKsFwf GjWSOQWFuuphWpY+gaZsUhbgdm0gx/R024bbB47t8oQxQExLvzFUCIaKbDMO+Tr3Q4nTgl8lGzDkE gq+cS8jbxNto5Oaqi/c7h/a7hI47C6otdoiakMh4wt1A0cOuQVRhql5zsioEOb7BxKGmEf+X105pz 7e+EM/ERzRC3XsSSAZ/EhiMWktmbWhiOsJBhULna7W4qcyoE3jbBzlid5c3OlkXqEx7ISihJfKR6O ALBYA8rA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tNbzT-0000000ESr7-1QCq; Tue, 17 Dec 2024 18:08:15 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tNbZz-0000000ENu3-1iwq for linux-arm-kernel@lists.infradead.org; Tue, 17 Dec 2024 17:41:56 +0000 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4BHDD0xc004545; Tue, 17 Dec 2024 18:41:44 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=selector1; bh= fuFnMO3ijaaacswBw6QbcsmE5nKXXLvyIsQw+1GMwgY=; b=jR8rDuH8wprDtrPm WnQeLVCuC0OfQc4OVFvw9UK/6anCl6ZC+0jTAHHj+9VxtV9f7pCRRyRQZyUmj2eE wNfBcmfPrBA6Dq6QYOwRpR8AKrvKY88+FaLM3QHOOEQAg1hTtNRK1WnYrluIFJLd oVI316Kt4uYKzBzLqYcl0J5hDjM3FSusVO58BBbG60TS7mAVzvR8/ns/o02oy2rz hN78qYHLVF/SBi5Q6Kcwiet3gZJW2nREsAR7LJ5v7lJq3VNBbnKM0UEZ7SO0I7VI 7OrQJ8/S5ZUoh+6OhgfaTTb790hVdh/FdsxGOd7o6nukQnnyA68CUi9WhgkTqxbD fQkw2w== Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 43k689autk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Dec 2024 18:41:44 +0100 (CET) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 7E5C74004C; Tue, 17 Dec 2024 18:40:20 +0100 (CET) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id C7E5C292896; Tue, 17 Dec 2024 18:39:30 +0100 (CET) Received: from localhost (10.252.23.235) by SHFDAG1NODE1.st.com (10.75.129.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.37; Tue, 17 Dec 2024 18:39:30 +0100 From: Alain Volmat Date: Tue, 17 Dec 2024 18:39:23 +0100 Subject: [PATCH 6/9] media: stm32: csi: simplify enable_streams error handling MIME-Version: 1.0 Message-ID: <20241217-csi_dcmipp_mp25_enhancements-v1-6-2b432805d17d@foss.st.com> References: <20241217-csi_dcmipp_mp25_enhancements-v1-0-2b432805d17d@foss.st.com> In-Reply-To: <20241217-csi_dcmipp_mp25_enhancements-v1-0-2b432805d17d@foss.st.com> To: Hugues Fruchet , Mauro Carvalho Chehab , Maxime Coquelin , Alexandre Torgue , Hans Verkuil , Sakari Ailus , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: , , , , , Alain Volmat X-Mailer: b4 0.14.1 X-Originating-IP: [10.252.23.235] X-ClientProxiedBy: EQNCAS1NODE4.st.com (10.75.129.82) To SHFDAG1NODE1.st.com (10.75.129.69) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241217_094155_737124_DA5C506F X-CRM114-Status: UNSURE ( 9.39 ) X-CRM114-Notice: Please train this message. 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 Put all error handling for VC stop and CSI stop together to avoid duplication of code. Signed-off-by: Alain Volmat --- drivers/media/platform/st/stm32/stm32-csi.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/st/stm32/stm32-csi.c b/drivers/media/platform/st/stm32/stm32-csi.c index 3654f9895dbc..4affbc00b042 100644 --- a/drivers/media/platform/st/stm32/stm32-csi.c +++ b/drivers/media/platform/st/stm32/stm32-csi.c @@ -694,19 +694,21 @@ static int stm32_csi_enable_streams(struct v4l2_subdev *sd, ret = stm32_csi_start_vc(csidev, state, 0); if (ret) { dev_err(csidev->dev, "Failed to start VC0\n"); - stm32_csi_stop(csidev); - return ret; + goto failed_start_vc; } ret = v4l2_subdev_enable_streams(csidev->s_subdev, csidev->s_subdev_pad_nb, BIT_ULL(0)); - if (ret) { - stm32_csi_stop_vc(csidev, 0); - stm32_csi_stop(csidev); - return ret; - } + if (ret) + goto failed_enable_streams; return 0; + +failed_enable_streams: + stm32_csi_stop_vc(csidev, 0); +failed_start_vc: + stm32_csi_stop(csidev); + return ret; } static int stm32_csi_init_state(struct v4l2_subdev *sd,