From patchwork Sun Nov 29 19:20:12 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 7719151 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A3128BEEE5 for ; Sun, 29 Nov 2015 19:23:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E71B2205E5 for ; Sun, 29 Nov 2015 19:23:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EC7DF2060A for ; Sun, 29 Nov 2015 19:23:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752432AbbK2TXj (ORCPT ); Sun, 29 Nov 2015 14:23:39 -0500 Received: from nblzone-211-213.nblnetworks.fi ([83.145.211.213]:39773 "EHLO hillosipuli.retiisi.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752425AbbK2TWo (ORCPT ); Sun, 29 Nov 2015 14:22:44 -0500 Received: from lanttu.localdomain (lanttu-e.localdomain [192.168.1.64]) by hillosipuli.retiisi.org.uk (Postfix) with ESMTP id 3ECDA600A6; Sun, 29 Nov 2015 21:22:37 +0200 (EET) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, mchehab@osg.samsung.com, hverkuil@xs4all.nl, javier@osg.samsung.com, Hyun Kwon Subject: [PATCH v2 11/22] v4l: xilinx: Use the new media_entity_graph_walk_start() interface Date: Sun, 29 Nov 2015 21:20:12 +0200 Message-Id: <1448824823-10372-12-git-send-email-sakari.ailus@iki.fi> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1448824823-10372-1-git-send-email-sakari.ailus@iki.fi> References: <1448824823-10372-1-git-send-email-sakari.ailus@iki.fi> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Sakari Ailus Cc: Hyun Kwon --- drivers/media/platform/xilinx/xilinx-dma.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c index bc244a0..0a19824 100644 --- a/drivers/media/platform/xilinx/xilinx-dma.c +++ b/drivers/media/platform/xilinx/xilinx-dma.c @@ -182,10 +182,17 @@ static int xvip_pipeline_validate(struct xvip_pipeline *pipe, struct media_device *mdev = entity->graph_obj.mdev; unsigned int num_inputs = 0; unsigned int num_outputs = 0; + int ret; mutex_lock(&mdev->graph_mutex); /* Walk the graph to locate the video nodes. */ + ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev); + if (ret) { + mutex_unlock(&mdev->graph_mutex); + return ret; + } + media_entity_graph_walk_start(&graph, entity); while ((entity = media_entity_graph_walk_next(&graph))) { @@ -206,6 +213,8 @@ static int xvip_pipeline_validate(struct xvip_pipeline *pipe, mutex_unlock(&mdev->graph_mutex); + media_entity_graph_walk_cleanup(&graph); + /* We need exactly one output and zero or one input. */ if (num_outputs != 1 || num_inputs > 1) return -EPIPE;