From patchwork Mon Jul 17 13:19:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 703938 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 07C50EB64DC for ; Mon, 17 Jul 2023 13:22:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231838AbjGQNWk (ORCPT ); Mon, 17 Jul 2023 09:22:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231654AbjGQNVn (ORCPT ); Mon, 17 Jul 2023 09:21:43 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6DF9E10FE for ; Mon, 17 Jul 2023 06:21:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689600071; x=1721136071; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=aZNYrtKf3qCDlYodW4Sc0GW1DTYr6bbBCblxG+URckI=; b=nvGl4rpu21VwF0HkVfqXL/wnObXuL7LJcw48Db3MWV068i74w5svAOOi ps4XwrALcf0/R8ksYGBkmIQyftlt8WAgcmIBCIPDMMigGHtV74nPhxXxs S6zLGRTn4nk2JuoOJ0rcYlvX8czm02K8xkmvQ2J6qJHLpg0wEBpc5J1e+ lYMkJUEXW5L3iLzcA16l9AkJat0OM/Z9d4xWpWA/dLqq8aKMApD9VjHep IzNBoAOjc9VkbrGfgKXgXqoeOXUpuRpdlVzxlT/RnOGyCJ2jYkj0GNG8h 2t5DLGecia8soZke6zz/ib3bKAZz3Fs+EX0WpPv2UJRYDK5EAGyecN6pu g==; X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="432098087" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="432098087" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2023 06:21:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="726542159" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="726542159" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2023 06:20:46 -0700 Received: from punajuuri.localdomain (punajuuri.localdomain [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 798EB1210FF; Mon, 17 Jul 2023 16:20:16 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.96) (envelope-from ) id 1qLO8G-004s2f-21; Mon, 17 Jul 2023 16:19:20 +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 v5 36/38] media: qcom: Initialise V4L2 async notifier later Date: Mon, 17 Jul 2023 16:19:07 +0300 Message-Id: <20230717131909.1160787-37-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230717131909.1160787-1-sakari.ailus@linux.intel.com> References: <20230717131909.1160787-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Initialise V4L2 async notifier and parse DT for async sub-devices later, just before registering 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/qcom/camss/camss.c | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index 006855bf076b..b89e2bb5b505 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -1615,14 +1615,6 @@ static int camss_probe(struct platform_device *pdev) if (!camss->vfe) return -ENOMEM; - v4l2_async_nf_init(&camss->notifier); - - num_subdevs = camss_of_parse_ports(camss); - if (num_subdevs < 0) { - ret = num_subdevs; - goto err_cleanup; - } - ret = camss_icc_get(camss); if (ret < 0) goto err_cleanup; @@ -1648,9 +1640,17 @@ static int camss_probe(struct platform_device *pdev) goto err_cleanup; } + v4l2_async_nf_init(&camss->notifier); + + num_subdevs = camss_of_parse_ports(camss); + if (num_subdevs < 0) { + ret = num_subdevs; + goto err_cleanup; + } + ret = camss_register_entities(camss); if (ret < 0) - goto err_register_entities; + goto err_cleanup; if (num_subdevs) { camss->notifier.ops = &camss_subdev_notifier_ops; @@ -1691,9 +1691,8 @@ static int camss_probe(struct platform_device *pdev) err_register_subdevs: camss_unregister_entities(camss); -err_register_entities: - v4l2_device_unregister(&camss->v4l2_dev); err_cleanup: + v4l2_device_unregister(&camss->v4l2_dev); v4l2_async_nf_cleanup(&camss->notifier); return ret;