1/*
 2 * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
 3 *
 4 * This program is free software; you can redistribute it and/or modify it
 5 * under the terms and conditions of the GNU General Public License,
 6 * version 2, as published by the Free Software Foundation.
 7 *
 8 * This program is distributed in the hope it will be useful, but WITHOUT
 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15 */
16
17#include <linux/init.h>
18#include <linux/of.h>
19#include <linux/clocksource.h>
20
21extern struct of_device_id __clksrc_of_table[];
22
23static const struct of_device_id __clksrc_of_table_sentinel
24	__used __section(__clksrc_of_table_end);
25
26void __init clocksource_of_init(void)
27{
28	struct device_node *np;
29	const struct of_device_id *match;
30	clocksource_of_init_fn init_func;
31	unsigned clocksources = 0;
32
33	for_each_matching_node_and_match(np, __clksrc_of_table, &match) {
34		if (!of_device_is_available(np))
35			continue;
36
37		init_func = match->data;
38		init_func(np);
39		clocksources++;
40	}
41	if (!clocksources)
42		pr_crit("%s: no matching clocksources found\n", __func__);
43}