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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w1_smem.c (1247B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 *	w1_smem.c
      4 *
      5 * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
      6 */
      7
      8#include <asm/types.h>
      9
     10#include <linux/kernel.h>
     11#include <linux/module.h>
     12#include <linux/moduleparam.h>
     13#include <linux/device.h>
     14#include <linux/types.h>
     15
     16#include <linux/w1.h>
     17
     18#define W1_FAMILY_SMEM_01	0x01
     19#define W1_FAMILY_SMEM_81	0x81
     20
     21static struct w1_family w1_smem_family_01 = {
     22	.fid = W1_FAMILY_SMEM_01,
     23};
     24
     25static struct w1_family w1_smem_family_81 = {
     26	.fid = W1_FAMILY_SMEM_81,
     27};
     28
     29static int __init w1_smem_init(void)
     30{
     31	int err;
     32
     33	err = w1_register_family(&w1_smem_family_01);
     34	if (err)
     35		return err;
     36
     37	err = w1_register_family(&w1_smem_family_81);
     38	if (err) {
     39		w1_unregister_family(&w1_smem_family_01);
     40		return err;
     41	}
     42
     43	return 0;
     44}
     45
     46static void __exit w1_smem_fini(void)
     47{
     48	w1_unregister_family(&w1_smem_family_01);
     49	w1_unregister_family(&w1_smem_family_81);
     50}
     51
     52module_init(w1_smem_init);
     53module_exit(w1_smem_fini);
     54
     55MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
     56MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family.");
     57MODULE_LICENSE("GPL");
     58MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_01));
     59MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_81));