37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/*
|
|
* 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);
|