root/drivers/net/wireless/ti/wilink_platform_data.c

DEFINITIONS

1. wl1251_set_platform_data
2. wl1251_get_platform_data

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * This file is part of wl12xx
   4  *
   5  * Copyright (C) 2010-2011 Texas Instruments, Inc.
   6  */
   7 
   8 #include <linux/module.h>
   9 #include <linux/err.h>
  10 #include <linux/wl12xx.h>
  11 
  12 static struct wl1251_platform_data *wl1251_platform_data;
  13 
  14 int __init wl1251_set_platform_data(const struct wl1251_platform_data *data)
  15 {
  16         if (wl1251_platform_data)
  17                 return -EBUSY;
  18         if (!data)
  19                 return -EINVAL;
  20 
  21         wl1251_platform_data = kmemdup(data, sizeof(*data), GFP_KERNEL);
  22         if (!wl1251_platform_data)
  23                 return -ENOMEM;
  24 
  25         return 0;
  26 }
  27 
  28 struct wl1251_platform_data *wl1251_get_platform_data(void)
  29 {
  30         if (!wl1251_platform_data)
  31                 return ERR_PTR(-ENODEV);
  32 
  33         return wl1251_platform_data;
  34 }
  35 EXPORT_SYMBOL(wl1251_get_platform_data);