blob: 0093a8e49e14d67af9538d8c98c6265d5ad6bedb [file] [log] [blame]
Stephen Warrenae278a92012-11-19 16:41:20 -07001/*
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>
Arnd Bergmann3d5a9652013-03-19 15:38:50 +010019#include <linux/clocksource.h>
Stephen Warrenae278a92012-11-19 16:41:20 -070020
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;
Rob Herring54196cc2014-05-08 16:09:24 -050030 of_init_fn_1 init_func;
Linus Walleijfdca6792013-11-20 09:58:56 +010031 unsigned clocksources = 0;
Stephen Warrenae278a92012-11-19 16:41:20 -070032
33 for_each_matching_node_and_match(np, __clksrc_of_table, &match) {
Sebastian Hesselbartheeb93d02013-09-26 02:08:17 +020034 if (!of_device_is_available(np))
35 continue;
36
Stephen Warrenae278a92012-11-19 16:41:20 -070037 init_func = match->data;
Rob Herringeffbfdd2013-02-06 14:40:22 -060038 init_func(np);
Linus Walleijfdca6792013-11-20 09:58:56 +010039 clocksources++;
Stephen Warrenae278a92012-11-19 16:41:20 -070040 }
Linus Walleijfdca6792013-11-20 09:58:56 +010041 if (!clocksources)
42 pr_crit("%s: no matching clocksources found\n", __func__);
Stephen Warrenae278a92012-11-19 16:41:20 -070043}