Blame view

kernel/linux-imx6_3.14.28/arch/mips/cobalt/buttons.c 1.48 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
45
46
47
48
49
50
51
52
53
54
  /*
   *  Cobalt buttons platform device.
   *
   *  Copyright (C) 2007  Yoichi Yuasa <yuasa@linux-mips.org>
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; either version 2 of the License, or
   *  (at your option) any later version.
   *
   *  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.
   *
   *  You should have received a copy of the GNU General Public License
   *  along with this program; if not, write to the Free Software
   *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
   */
  
  #include <linux/platform_device.h>
  #include <linux/errno.h>
  #include <linux/init.h>
  
  static struct resource cobalt_buttons_resource __initdata = {
  	.start	= 0x1d000000,
  	.end	= 0x1d000003,
  	.flags	= IORESOURCE_MEM,
  };
  
  static __init int cobalt_add_buttons(void)
  {
  	struct platform_device *pd;
  	int error;
  
  	pd = platform_device_alloc("Cobalt buttons", -1);
  	if (!pd)
  		return -ENOMEM;
  
  	error = platform_device_add_resources(pd, &cobalt_buttons_resource, 1);
  	if (error)
  		goto err_free_device;
  
  	error = platform_device_add(pd);
  	if (error)
  		goto err_free_device;
  
  	return 0;
  
   err_free_device:
  	platform_device_put(pd);
  	return error;
  }
  device_initcall(cobalt_add_buttons);