From patchwork Thu Jul 27 05:42:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 707358 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 33008C001DC for ; Thu, 27 Jul 2023 05:48:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232570AbjG0Fst (ORCPT ); Thu, 27 Jul 2023 01:48:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35050 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232684AbjG0FsD (ORCPT ); Thu, 27 Jul 2023 01:48:03 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4AC3A3590 for ; Wed, 26 Jul 2023 22:47:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1690436836; x=1721972836; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ugKFJcIpVxMmFIlX60j486cJU94lh16Am8PCspZd6AE=; b=gY+l3B2ep1EMxCHyHAIqms1Lm6Cezkv3vIcx876KqOImVYbESdfgUjkY Xl/08gUc2RrS3aNGlGyH/UMI1OYrItx/u8B8Tw2lz/B9Hyfd9yaUddJmO fSE/8zmlAW2CGh82lEHYmV//aJxsa3hDneOGiqxUTYynLarGJ0c00zIn1 /ozDgsqtwgdeVL08xHpBCqInzcTUxATZYGjmpWL/4XDT62N4eQdXyhScn JPuJ2kedbNvCstrDCFyM4r7ycy5Jiet9RG/Mn0ifcub7N04YTbCscKuOh LQ8RX3urVxJ9P4KhEpb0y6OKYLn3+dpYhUdfAfQ8axPnsW6nxvWV1mtiF g==; X-IronPort-AV: E=McAfee;i="6600,9927,10783"; a="399150887" X-IronPort-AV: E=Sophos;i="6.01,234,1684825200"; d="scan'208";a="399150887" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jul 2023 22:44:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10783"; a="840584117" X-IronPort-AV: E=Sophos;i="6.01,234,1684825200"; d="scan'208";a="840584117" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jul 2023 22:44:39 -0700 Received: from punajuuri.localdomain (punajuuri.localdomain [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 1CB9512218E; Thu, 27 Jul 2023 08:44:19 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.96) (envelope-from ) id 1qOtmE-004xsZ-13; Thu, 27 Jul 2023 08:43:06 +0300 From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, Philipp Zabel , hverkuil@xs4all.nl, Francesco Dolcini , aishwarya.kothari@toradex.com, Robert Foss , Todor Tomov , Hyun Kwon , bingbu.cao@intel.com, niklas.soderlund@ragnatech.se, Kieran Bingham , Benjamin Mugnier , Sylvain Petinot , Eugen Hristev , Nicolas Ferre , Maxime Ripard , Rui Miguel Silva , Fabio Estevam , Bryan O'Donoghue , Sylwester Nawrocki , Dafna Hirschfeld , Hugues Fruchet , Yong Deng , Paul Kocialkowski , "Lad, Prabhakar" , Benoit Parrot , Steve Longerbeam , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Marco Felsch Subject: [PATCH v6 30/38] media: pxa_camera: Register V4L2 device early Date: Thu, 27 Jul 2023 08:42:47 +0300 Message-Id: <20230727054255.1183255-31-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230727054255.1183255-1-sakari.ailus@linux.intel.com> References: <20230727054255.1183255-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Register V4L2 device before initialising the notifier. This way the device can be made available to the V4L2 async framework from the notifier init time onwards. A subsequent patch will add struct v4l2_device as an argument to v4l2_async_nf_init(). Signed-off-by: Sakari Ailus Tested-by: Philipp Zabel # imx6qp Tested-by: Niklas Söderlund # rcar + adv746x Tested-by: Aishwarya Kothari # Apalis i.MX6Q with TC358743 Tested-by: Lad Prabhakar # Renesas RZ/G2L SMARC --- drivers/media/platform/intel/pxa_camera.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/media/platform/intel/pxa_camera.c b/drivers/media/platform/intel/pxa_camera.c index 2453bf58f92d..6112d31c2228 100644 --- a/drivers/media/platform/intel/pxa_camera.c +++ b/drivers/media/platform/intel/pxa_camera.c @@ -2298,6 +2298,10 @@ static int pxa_camera_probe(struct platform_device *pdev) pcdev->irq = irq; pcdev->base = base; + err = v4l2_device_register(&pdev->dev, &pcdev->v4l2_dev); + if (err) + return err; + v4l2_async_nf_init(&pcdev->notifier); pcdev->res = res; pcdev->pdata = pdev->dev.platform_data; @@ -2315,10 +2319,10 @@ static int pxa_camera_probe(struct platform_device *pdev) } else if (pdev->dev.of_node) { err = pxa_camera_pdata_from_dt(&pdev->dev, pcdev); } else { - return -ENODEV; + err = -ENODEV; } if (err < 0) - return err; + goto exit_v4l2_device_unregister; if (!(pcdev->platform_flags & (PXA_CAMERA_DATAWIDTH_8 | PXA_CAMERA_DATAWIDTH_9 | PXA_CAMERA_DATAWIDTH_10))) { @@ -2384,13 +2388,10 @@ static int pxa_camera_probe(struct platform_device *pdev) pxa_camera_activate(pcdev); platform_set_drvdata(pdev, pcdev); - err = v4l2_device_register(&pdev->dev, &pcdev->v4l2_dev); - if (err) - goto exit_deactivate; err = pxa_camera_init_videobuf2(pcdev); if (err) - goto exit_v4l2_device_unregister; + goto exit_deactivate; /* request irq */ err = devm_request_irq(&pdev->dev, pcdev->irq, pxa_camera_irq, 0, @@ -2403,11 +2404,9 @@ static int pxa_camera_probe(struct platform_device *pdev) pcdev->notifier.ops = &pxa_camera_sensor_ops; err = v4l2_async_nf_register(&pcdev->v4l2_dev, &pcdev->notifier); if (err) - goto exit_v4l2_device_unregister; + goto exit_deactivate; return 0; -exit_v4l2_device_unregister: - v4l2_device_unregister(&pcdev->v4l2_dev); exit_deactivate: pxa_camera_deactivate(pcdev); tasklet_kill(&pcdev->task_eof); @@ -2419,6 +2418,8 @@ static int pxa_camera_probe(struct platform_device *pdev) dma_release_channel(pcdev->dma_chans[0]); exit_notifier_cleanup: v4l2_async_nf_cleanup(&pcdev->notifier); +exit_v4l2_device_unregister: + v4l2_device_unregister(&pcdev->v4l2_dev); return err; }