linux-kernel - [PATCH v8 0/3] Add of-graph helpers to loop over endpoints and find ports by id

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Message-Id: <1424688846-10909-1-git-send-email-p.zabel@pengutronix.de>
Date:	Mon, 23 Feb 2015 11:54:03 +0100
From:	Philipp Zabel <p.zabel@...gutronix.de>
To:	Grant Likely <grant.likely@...aro.org>,
	Benoit Parrot <bparrot@...com>
Cc:	Darren Etheridge <detheridge@...com>, linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mathieu Poirier <mathieu.poirier@...aro.org>,
	David Airlie <airlied@...ux.ie>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andrzej Hajda <a.hajda@...sung.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	kernel@...gutronix.de, Philipp Zabel <p.zabel@...gutronix.de>
Subject: [PATCH v8 0/3] Add of-graph helpers to loop over endpoints and find ports by id

Hi,

Since there now is a merge conflict in imx-drm-core, I've rebased the series
onto v4.0-rc1. Also a new driver touched by this change appeared, so the first
patch now includes a fix for am437x-vfpe, too. I'd be happy to get an ack for
that.

This series converts all existing users of of_graph_get_next_endpoint that pass
a non-NULL prev argument to the function and decrement its refcount themselves
to stop doing that. The of_node_put is moved into of_graph_get_next_endpoint
instead.
This allows to add a for_each_endpoint_of_node helper macro to loop over all
endpoints in a device tree node.

Changes since v8:
 - Rebased onto v4.0-rc1
 - Added fix to am437x-vpfe

The previous version can be found here: https://lkml.org/lkml/2014/12/23/219

regards
Philipp

Philipp Zabel (3):
  of: Decrement refcount of previous endpoint in
    of_graph_get_next_endpoint
  of: Add for_each_endpoint_of_node helper macro
  of: Add of_graph_get_port_by_id function

 drivers/coresight/of_coresight.c                  | 13 ++-----
 drivers/gpu/drm/imx/imx-drm-core.c                | 11 +-----
 drivers/gpu/drm/rcar-du/rcar_du_kms.c             | 15 +++------
 drivers/media/platform/am437x/am437x-vpfe.c       |  1 -
 drivers/media/platform/soc_camera/soc_camera.c    |  3 +-
 drivers/of/base.c                                 | 41 ++++++++++++++++++-----
 drivers/video/fbdev/omap2/dss/omapdss-boot-init.c |  7 +---
 include/linux/of_graph.h                          | 18 ++++++++++
 8 files changed, 61 insertions(+), 48 deletions(-)

-- 
2.1.4

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