From patchwork Thu Jul 27 05:42:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 13328848 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 0EAEFEB64DD for ; Thu, 27 Jul 2023 05:47:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232528AbjG0Fro (ORCPT ); Thu, 27 Jul 2023 01:47:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232537AbjG0FrS (ORCPT ); Thu, 27 Jul 2023 01:47:18 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4212935A9 for ; Wed, 26 Jul 2023 22:46:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1690436801; x=1721972801; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=mzPwXf7fbcollwU2PoUOQuHnWqNZFCqgSpJxgd8A6ok=; b=Aqa14F67iCxH9J66xFFoAlzlR4YJd+i/REqq/Awhg6NKByVfRDqcFV0s GjdwPTFQtSMj/ITWIZ0jglzZous1OUCWI7iFXeyMk0UDz5nX7llHTrbBT BnEmqNdEDHLFxrMyS3XzuFrN4YjOPpe/4P4V38tQQwuvVIe9T77GCr3fO Z6LVvS/wFTOaafISsutxH6wBocWah5Wc/ZH2RhRx/yMatZIIbTkwQX2M+ S4b1qIsCFRQF/xql55RDU90jw9JwbMqcsWjQb9vZMGmnLWXARmEA10dbS vEd3GacDrI3chmL0Z5Q6niB7hLkN3m9UGfdK1HDUkKF4JM36ZPHdtVc3X A==; X-IronPort-AV: E=McAfee;i="6600,9927,10783"; a="399150682" X-IronPort-AV: E=Sophos;i="6.01,234,1684825200"; d="scan'208";a="399150682" 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 22:44:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10783"; a="840584092" X-IronPort-AV: E=Sophos;i="6.01,234,1684825200"; d="scan'208";a="840584092" 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 02CD01219B2; Thu, 27 Jul 2023 08:44:19 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.96) (envelope-from ) id 1qOtmE-004xsF-0i; 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 26/38] media: v4l: async: Try more connections Date: Thu, 27 Jul 2023 08:42:43 +0300 Message-Id: <20230727054255.1183255-27-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 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;