From patchwork Mon Jul 17 13:18:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 703942 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 A8E6DC001B0 for ; Mon, 17 Jul 2023 13:22:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231787AbjGQNWW (ORCPT ); Mon, 17 Jul 2023 09:22:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231319AbjGQNVl (ORCPT ); Mon, 17 Jul 2023 09:21:41 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 895CE10E7 for ; Mon, 17 Jul 2023 06:21:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689600067; x=1721136067; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=mzPwXf7fbcollwU2PoUOQuHnWqNZFCqgSpJxgd8A6ok=; b=mJzakf89LNul45vu2W1LehgUvSjyHAPapiB35BqZFFMxRLPEQXwem3gt V15Ar4C/PYFUO7SES/29zoUZ35jfcumOH90Gf04P7ibGdHbX7Tr+M5zo+ HM0AE8xMNI26+5VNM4RGQtbbaKV2lnHxcjBoi24Yv5UrWL9Tro5d03jiJ kB1kaniCoZt+KRm3Pcsk3mZKp3MGBtbt+31AqSnCo1qi/6pQ72uv7DqNr CFdQnjrw8rfVGFr8nqAF4ROiPwdUtgjkLVnOBkmwj5fWxXSAdwcs+T+Sw qMcx83mgKF8TXCn2rXf9Pak2Qr8mH2VOlg2WRCkHCRIMSt2R5vGudiax6 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="432097888" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="432097888" 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 06:20:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="726542009" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="726542009" 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 06:20:36 -0700 Received: from punajuuri.localdomain (punajuuri.localdomain [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 4B3731210A7; Mon, 17 Jul 2023 16:20:16 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.96) (envelope-from ) id 1qLO8G-004s1r-1P; 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 26/38] media: v4l: async: Try more connections Date: Mon, 17 Jul 2023 16:18:57 +0300 Message-Id: <20230717131909.1160787-27-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 When an async sub-device is registered, it used to be that the first one of its connections were matched when found. Continue looking for matches until a notifier no longer has any. 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/v4l2-core/v4l2-async.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index 44f72aa75c19..6b3c02d27ebf 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -789,6 +789,7 @@ int v4l2_async_register_subdev(struct v4l2_subdev *sd) if (!v4l2_dev) continue; +again: asc = v4l2_async_find_match(notifier, sd); if (!asc) continue; @@ -801,13 +802,12 @@ int v4l2_async_register_subdev(struct v4l2_subdev *sd) if (ret) goto err_unbind; - goto out_unlock; + goto again; } /* None matched, wait for hot-plugging */ list_add(&sd->async_list, &subdev_list); -out_unlock: mutex_unlock(&list_lock); return 0;