From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 43B72C43143 for ; Sat, 29 Sep 2018 18:41:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 172B320882 for ; Sat, 29 Sep 2018 18:41:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 172B320882 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mentor.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727992AbeI3BKo (ORCPT ); Sat, 29 Sep 2018 21:10:44 -0400 Received: from relay1.mentorg.com ([192.94.38.131]:40864 "EHLO relay1.mentorg.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727431AbeI3BKo (ORCPT ); Sat, 29 Sep 2018 21:10:44 -0400 Received: from svr-orw-mbx-02.mgc.mentorg.com ([147.34.90.202]) by relay1.mentorg.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-SHA384:256) id 1g6KAx-0000Ow-VY from Steve_Longerbeam@mentor.com ; Sat, 29 Sep 2018 11:41:12 -0700 Received: from mappy.world.mentorg.com (147.34.91.1) by svr-orw-mbx-02.mgc.mentorg.com (147.34.90.202) with Microsoft SMTP Server (TLS) id 15.0.1320.4; Sat, 29 Sep 2018 11:41:09 -0700 From: Steve Longerbeam To: CC: Mauro Carvalho Chehab , Sakari Ailus , Hans Verkuil , =?UTF-8?q?Niklas=20S=C3=B6derlund?= , Sebastian Reichel , Tomasz Figa , Jacopo Mondi , open list Subject: [PATCH v7 01/17] media: v4l2-fwnode: ignore endpoints that have no remote port parent Date: Sat, 29 Sep 2018 11:40:36 -0700 Message-ID: <20180929184052.19479-2-steve_longerbeam@mentor.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180929184052.19479-1-steve_longerbeam@mentor.com> References: <20180929184052.19479-1-steve_longerbeam@mentor.com> MIME-Version: 1.0 Content-Type: text/plain X-ClientProxiedBy: svr-orw-mbx-04.mgc.mentorg.com (147.34.90.204) To svr-orw-mbx-02.mgc.mentorg.com (147.34.90.202) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Documentation/devicetree/bindings/media/video-interfaces.txt states that the 'remote-endpoint' property is optional. So v4l2_async_notifier_fwnode_parse_endpoint() should not return error if the endpoint has no remote port parent. Just ignore the endpoint, skip adding an asd to the notifier and return 0. __v4l2_async_notifier_parse_fwnode_endpoints() will then continue parsing the remaining port endpoints of the device. Signed-off-by: Steve Longerbeam Acked-by: Hans Verkuil --- Changes since v6: - none Changes since v5: - none Changes since v4: - none Changes since v3: - none Changes since v2: - none Changes since v1: - don't pass an empty endpoint to the parse_endpoint callback, v4l2_async_notifier_fwnode_parse_endpoint() now just ignores them and returns success. The current users of v4l2_async_notifier_parse_fwnode_endpoints() (omap3isp, rcar-vin, intel-ipu3) no longer need modification. --- drivers/media/v4l2-core/v4l2-fwnode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c index 169bdbb1f61a..0b8c736b1606 100644 --- a/drivers/media/v4l2-core/v4l2-fwnode.c +++ b/drivers/media/v4l2-core/v4l2-fwnode.c @@ -367,7 +367,7 @@ static int v4l2_async_notifier_fwnode_parse_endpoint( fwnode_graph_get_remote_port_parent(endpoint); if (!asd->match.fwnode) { dev_warn(dev, "bad remote port parent\n"); - ret = -EINVAL; + ret = -ENOTCONN; goto out_err; } -- 2.17.1