cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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wilink_platform_data.c (741B)


      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
     12static struct wl1251_platform_data *wl1251_platform_data;
     13
     14int __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
     28struct 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}
     35EXPORT_SYMBOL(wl1251_get_platform_data);