Blame view

kernel/linux-imx6_3.14.28/drivers/clocksource/clksrc-of.c 1.3 KB
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
  /*
   * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   *
   * This program is distributed in the hope 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.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  #include <linux/init.h>
  #include <linux/of.h>
  #include <linux/clocksource.h>
  
  extern struct of_device_id __clksrc_of_table[];
  
  static const struct of_device_id __clksrc_of_table_sentinel
  	__used __section(__clksrc_of_table_end);
  
  void __init clocksource_of_init(void)
  {
  	struct device_node *np;
  	const struct of_device_id *match;
  	clocksource_of_init_fn init_func;
  	unsigned clocksources = 0;
  
  	for_each_matching_node_and_match(np, __clksrc_of_table, &match) {
  		if (!of_device_is_available(np))
  			continue;
  
  		init_func = match->data;
  		init_func(np);
  		clocksources++;
  	}
  	if (!clocksources)
  		pr_crit("%s: no matching clocksources found
  ", __func__);
  }