| 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 | |
| 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 | |
| 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); |