Linux Kernel  3.7.1
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led.c
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1 /*
2  * Registration of Cobalt LED platform device.
3  *
4  * Copyright (C) 2007 Yoichi Yuasa <[email protected]>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 #include <linux/errno.h>
21 #include <linux/init.h>
22 #include <linux/ioport.h>
23 #include <linux/platform_device.h>
24 
25 #include <cobalt.h>
26 
27 static struct resource cobalt_led_resource __initdata = {
28  .start = 0x1c000000,
29  .end = 0x1c000000,
30  .flags = IORESOURCE_MEM,
31 };
32 
33 static __init int cobalt_led_add(void)
34 {
35  struct platform_device *pdev;
36  int retval;
37 
40  pdev = platform_device_alloc("cobalt-qube-leds", -1);
41  else
42  pdev = platform_device_alloc("cobalt-raq-leds", -1);
43 
44  if (!pdev)
45  return -ENOMEM;
46 
47  retval = platform_device_add_resources(pdev, &cobalt_led_resource, 1);
48  if (retval)
49  goto err_free_device;
50 
51  retval = platform_device_add(pdev);
52  if (retval)
53  goto err_free_device;
54 
55  return 0;
56 
57 err_free_device:
58  platform_device_put(pdev);
59 
60  return retval;
61 }
62 device_initcall(cobalt_led_add);