w1/slaves/w1_smem.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  *  w1_smem.c
0004  *
0005  * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
0006  */
0007
0008 #include <asm/types.h>
0009
0010 #include <linux/kernel.h>
0011 #include <linux/module.h>
0012 #include <linux/moduleparam.h>
0013 #include <linux/device.h>
0014 #include <linux/types.h>
0015
0016 #include <linux/w1.h>
0017
0018 #define W1_FAMILY_SMEM_01   0x01
0019 #define W1_FAMILY_SMEM_81   0x81
0020
0021 static struct w1_family w1_smem_family_01 = {
0022     .fid = W1_FAMILY_SMEM_01,
0023 };
0024
0025 static struct w1_family w1_smem_family_81 = {
0026     .fid = W1_FAMILY_SMEM_81,
0027 };
0028
0029 static int __init w1_smem_init(void)
0030 {
0031     int err;
0032
0033     err = w1_register_family(&w1_smem_family_01);
0034     if (err)
0035         return err;
0036
0037     err = w1_register_family(&w1_smem_family_81);
0038     if (err) {
0039         w1_unregister_family(&w1_smem_family_01);
0040         return err;
0041     }
0042
0043     return 0;
0044 }
0045
0046 static void __exit w1_smem_fini(void)
0047 {
0048     w1_unregister_family(&w1_smem_family_01);
0049     w1_unregister_family(&w1_smem_family_81);
0050 }
0051
0052 module_init(w1_smem_init);
0053 module_exit(w1_smem_fini);
0054
0055 MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
0056 MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family.");
0057 MODULE_LICENSE("GPL");
0058 MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_01));
0059 MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_81));