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/*
* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
* Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include <linux/err.h>
#include <linux/of.h>
#include <linux/of_graph.h>
#include "omapdss.h"
struct omap_dss_device *
omapdss_of_find_connected_device(struct device_node *node, unsigned int port)
{
struct device_node *remote_node;
struct omap_dss_device *dssdev;
remote_node = of_graph_get_remote_node(node, port, 0);
if (!remote_node)
return NULL;
dssdev = omapdss_find_device_by_node(remote_node);
of_node_put(remote_node);
return dssdev ? dssdev : ERR_PTR(-EPROBE_DEFER);
}
EXPORT_SYMBOL_GPL(omapdss_of_find_connected_device);
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