From patchwork Sun Aug 23 20:17:24 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 7058691 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 9A0A5C05AC for ; Sun, 23 Aug 2015 20:19:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 521FF20694 for ; Sun, 23 Aug 2015 20:19:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 477EB20678 for ; Sun, 23 Aug 2015 20:19:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932105AbbHWUTo (ORCPT ); Sun, 23 Aug 2015 16:19:44 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:58883 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753143AbbHWUSI (ORCPT ); Sun, 23 Aug 2015 16:18:08 -0400 Received: from 177.18.22.230.dynamic.adsl.gvt.net.br ([177.18.22.230] helo=smtp.w2.samsung.com) by bombadil.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZTbiR-0005jx-R0; Sun, 23 Aug 2015 20:18:08 +0000 Received: from mchehab by smtp.w2.samsung.com with local (Exim 4.85) (envelope-from ) id 1ZTbiM-0001uG-Cf; Sun, 23 Aug 2015 17:18:02 -0300 From: Mauro Carvalho Chehab To: Linux Media Mailing List Cc: Mauro Carvalho Chehab , Mauro Carvalho Chehab Subject: [PATCH v7 07/44] [media] media: use media_gobj inside links Date: Sun, 23 Aug 2015 17:17:24 -0300 Message-Id: <8fb52e8c4f3585ef7781d0d3a900ef761ef434dd.1440359643.git.mchehab@osg.samsung.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: References: In-Reply-To: References: Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-8.1 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 Just like entities and pads, links also need to have unique Object IDs along a given media controller. So, let's add a media_gobj inside it and initialize the object then a new link is created. Signed-off-by: Mauro Carvalho Chehab Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index 3bdda16584fe..065f6f08da37 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -438,6 +438,13 @@ int __must_check media_device_register_entity(struct media_device *mdev, media_gobj_init(mdev, MEDIA_GRAPH_ENTITY, &entity->graph_obj); list_add_tail(&entity->list, &mdev->entities); + /* + * Initialize objects at the links + * in the case where links got created before entity register + */ + for (i = 0; i < entity->num_links; i++) + media_gobj_init(mdev, MEDIA_GRAPH_LINK, + &entity->links[i].graph_obj); /* Initialize objects at the pads */ for (i = 0; i < entity->num_pads; i++) media_gobj_init(mdev, MEDIA_GRAPH_PAD, @@ -465,6 +472,8 @@ void media_device_unregister_entity(struct media_entity *entity) return; spin_lock(&mdev->lock); + for (i = 0; i < entity->num_links; i++) + media_gobj_remove(&entity->links[i].graph_obj); for (i = 0; i < entity->num_pads; i++) media_gobj_remove(&entity->pads[i].graph_obj); media_gobj_remove(&entity->graph_obj); diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c index 377c6655c5d0..36d725ec5f3d 100644 --- a/drivers/media/media-entity.c +++ b/drivers/media/media-entity.c @@ -51,6 +51,9 @@ void media_gobj_init(struct media_device *mdev, case MEDIA_GRAPH_PAD: gobj->id = media_gobj_gen_id(type, ++mdev->pad_id); break; + case MEDIA_GRAPH_LINK: + gobj->id = media_gobj_gen_id(type, ++mdev->link_id); + break; } } @@ -491,6 +494,9 @@ media_entity_create_link(struct media_entity *source, u16 source_pad, link->sink = &sink->pads[sink_pad]; link->flags = flags; + /* Initialize graph object embedded at the new link */ + media_gobj_init(source->parent, MEDIA_GRAPH_LINK, &link->graph_obj); + /* Create the backlink. Backlinks are used to help graph traversal and * are not reported to userspace. */ @@ -504,6 +510,9 @@ media_entity_create_link(struct media_entity *source, u16 source_pad, backlink->sink = &sink->pads[sink_pad]; backlink->flags = flags; + /* Initialize graph object embedded at the new link */ + media_gobj_init(sink->parent, MEDIA_GRAPH_LINK, &backlink->graph_obj); + link->reverse = backlink; backlink->reverse = link; diff --git a/include/media/media-device.h b/include/media/media-device.h index 9493721f630e..05414e351f8e 100644 --- a/include/media/media-device.h +++ b/include/media/media-device.h @@ -43,6 +43,7 @@ struct device; * @driver_version: Device driver version * @entity_id: Unique ID used on the last entity registered * @pad_id: Unique ID used on the last pad registered + * @link_id: Unique ID used on the last link registered * @entities: List of registered entities * @lock: Entities list lock * @graph_mutex: Entities graph operation lock @@ -71,6 +72,7 @@ struct media_device { u32 entity_id; u32 pad_id; + u32 link_id; struct list_head entities; diff --git a/include/media/media-entity.h b/include/media/media-entity.h index ce4c654486d6..cd08a96bfbaa 100644 --- a/include/media/media-entity.h +++ b/include/media/media-entity.h @@ -35,10 +35,12 @@ * * @MEDIA_GRAPH_ENTITY: Identify a media entity * @MEDIA_GRAPH_PAD: Identify a media pad + * @MEDIA_GRAPH_LINK: Identify a media link */ enum media_gobj_type { MEDIA_GRAPH_ENTITY, MEDIA_GRAPH_PAD, + MEDIA_GRAPH_LINK, }; #define MEDIA_BITS_PER_TYPE 8 @@ -67,6 +69,7 @@ struct media_pipeline { }; struct media_link { + struct media_gobj graph_obj; struct media_pad *source; /* Source pad */ struct media_pad *sink; /* Sink pad */ struct media_link *reverse; /* Link in the reverse direction */