Linux Kernel  3.7.1
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lcd.c
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1 /*
2  * Registration of Cobalt LCD platform device.
3  *
4  * Copyright (C) 2008 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 static struct resource cobalt_lcd_resource __initdata = {
26  .start = 0x1f000000,
27  .end = 0x1f00001f,
28  .flags = IORESOURCE_MEM,
29 };
30 
31 static __init int cobalt_lcd_add(void)
32 {
33  struct platform_device *pdev;
34  int retval;
35 
36  pdev = platform_device_alloc("cobalt-lcd", -1);
37  if (!pdev)
38  return -ENOMEM;
39 
40  retval = platform_device_add_resources(pdev, &cobalt_lcd_resource, 1);
41  if (retval)
42  goto err_free_device;
43 
44  retval = platform_device_add(pdev);
45  if (retval)
46  goto err_free_device;
47 
48  return 0;
49 
50 err_free_device:
51  platform_device_put(pdev);
52 
53  return retval;
54 }
55 device_initcall(cobalt_lcd_add);