wilink_platform_data.c
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/*
* This file is part of wl12xx
*
* Copyright (C) 2010-2011 Texas Instruments, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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 St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/module.h>
#include <linux/err.h>
#include <linux/wl12xx.h>
static struct wl1251_platform_data *wl1251_platform_data;
int __init wl1251_set_platform_data(const struct wl1251_platform_data *data)
{
if (wl1251_platform_data)
return -EBUSY;
if (!data)
return -EINVAL;
wl1251_platform_data = kmemdup(data, sizeof(*data), GFP_KERNEL);
if (!wl1251_platform_data)
return -ENOMEM;
return 0;
}
struct wl1251_platform_data *wl1251_get_platform_data(void)
{
if (!wl1251_platform_data)
return ERR_PTR(-ENODEV);
return wl1251_platform_data;
}
EXPORT_SYMBOL(wl1251_get_platform_data);