From patchwork Mon Jul 17 13:19:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 703939 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 D3BE0C001DC for ; Mon, 17 Jul 2023 13:22:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231831AbjGQNWi (ORCPT ); Mon, 17 Jul 2023 09:22:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231634AbjGQNVn (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 2E4FD10FB 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=Vi00qBs2AZ/5mTwrQ8zQiLsoBSSb/pF4uZM9o+7u3hs=; b=MKIBXBGUjYPjleC7+COVfkdTQNGcm4WaWpvK59aFBT5N+s7IVlKV2zac ZWxjATbSqkP8JLnBpHFxR0phfEULvsO1G3V/Wfgc+k8ZqjDTRAT9UY9VQ HnM8obhVr6m1x6Zk8TZmfEwSAwPd2yE0rtstwyJexmuqzWRjC3k1Cf3ns D053CK/KK4bTPD4T0up3gZobcw4f0Pby5i28oSvqQg4kovXw9NSQhkERG OJ8A8AGVTZsM5zdFPG7EPykxGlH/OPq8tmK//SoE5eDttNr4RqobYJscC ydEF25bbhcF2Bfd0YcYQwhRPspuIlkm61duC9YEylfz+9CgID0P2w0fXY g==; X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="432098064" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="432098064" 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 06:21:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="726542160" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="726542160" 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 7462E1210FA; Mon, 17 Jul 2023 16:20:16 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.96) (envelope-from ) id 1qLO8G-004s2a-1x; 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 35/38] media: davinci: Init async notifier after registering V4L2 device Date: Mon, 17 Jul 2023 16:19:06 +0300 Message-Id: <20230717131909.1160787-36-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 the V4L2 async notifier after registering the V4L2 device, just before parsing DT for async sub-devices. 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 --- .../media/platform/ti/davinci/vpif_capture.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/media/platform/ti/davinci/vpif_capture.c b/drivers/media/platform/ti/davinci/vpif_capture.c index a63c9e51dac4..10b13d8e76e5 100644 --- a/drivers/media/platform/ti/davinci/vpif_capture.c +++ b/drivers/media/platform/ti/davinci/vpif_capture.c @@ -1608,18 +1608,12 @@ static __init int vpif_probe(struct platform_device *pdev) int res_idx = 0; int i, err; - pdev->dev.platform_data = vpif_capture_get_pdata(pdev); - if (!pdev->dev.platform_data) { - dev_warn(&pdev->dev, "Missing platform data. Giving up.\n"); - return -EINVAL; - } - vpif_dev = &pdev->dev; err = initialize_vpif(); if (err) { v4l2_err(vpif_dev->driver, "Error initializing vpif\n"); - goto cleanup; + return err; } err = v4l2_device_register(vpif_dev, &vpif_obj.v4l2_dev); @@ -1646,13 +1640,19 @@ static __init int vpif_probe(struct platform_device *pdev) goto vpif_unregister; } while (++res_idx); + pdev->dev.platform_data = vpif_capture_get_pdata(pdev); + if (!pdev->dev.platform_data) { + dev_warn(&pdev->dev, "Missing platform data. Giving up.\n"); + goto vpif_unregister; + } + vpif_obj.config = pdev->dev.platform_data; subdev_count = vpif_obj.config->subdev_count; vpif_obj.sd = kcalloc(subdev_count, sizeof(*vpif_obj.sd), GFP_KERNEL); if (!vpif_obj.sd) { err = -ENOMEM; - goto vpif_unregister; + goto probe_subdev_out; } if (!vpif_obj.config->asd_sizes[0]) { @@ -1695,14 +1695,13 @@ static __init int vpif_probe(struct platform_device *pdev) return 0; probe_subdev_out: + v4l2_async_nf_cleanup(&vpif_obj.notifier); /* free sub devices memory */ kfree(vpif_obj.sd); vpif_unregister: v4l2_device_unregister(&vpif_obj.v4l2_dev); vpif_free: free_vpif_objs(); -cleanup: - v4l2_async_nf_cleanup(&vpif_obj.notifier); return err; }