1 /*
2 * This file is part of wl12xx
3 *
4 * Copyright (C) 2010-2011 Texas Instruments, Inc.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18 * 02110-1301 USA
19 *
20 */
21
22 #include <linux/module.h>
23 #include <linux/err.h>
24 #include <linux/wl12xx.h>
25
26 static struct wl12xx_platform_data *platform_data;
27
wl12xx_set_platform_data(const struct wl12xx_platform_data * data)28 int __init wl12xx_set_platform_data(const struct wl12xx_platform_data *data)
29 {
30 if (platform_data)
31 return -EBUSY;
32 if (!data)
33 return -EINVAL;
34
35 platform_data = kmemdup(data, sizeof(*data), GFP_KERNEL);
36 if (!platform_data)
37 return -ENOMEM;
38
39 return 0;
40 }
41
wl12xx_get_platform_data(void)42 struct wl12xx_platform_data *wl12xx_get_platform_data(void)
43 {
44 if (!platform_data)
45 return ERR_PTR(-ENODEV);
46
47 return platform_data;
48 }
49 EXPORT_SYMBOL(wl12xx_get_platform_data);
50