drivers/w1/slaves/w1_smem.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *	w1_smem.c
 *
 * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
 */

#include <asm/types.h>

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/types.h>

#include <linux/w1.h>

#define W1_FAMILY_SMEM_01	0x01
#define W1_FAMILY_SMEM_81	0x81

static struct w1_family w1_smem_family_01 = {
	.fid = W1_FAMILY_SMEM_01,
};

static struct w1_family w1_smem_family_81 = {
	.fid = W1_FAMILY_SMEM_81,
};

static int __init w1_smem_init(void)
{
	int err;

	err = w1_register_family(&w1_smem_family_01);
	if (err)
		return err;

	err = w1_register_family(&w1_smem_family_81);
	if (err) {
		w1_unregister_family(&w1_smem_family_01);
		return err;
	}

	return 0;
}

static void __exit w1_smem_fini(void)
{
	w1_unregister_family(&w1_smem_family_01);
	w1_unregister_family(&w1_smem_family_81);
}

module_init(w1_smem_init);
module_exit(w1_smem_fini);

MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family.");
MODULE_LICENSE("GPL");
MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_01));
MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_81));