drivers/w1/slaves/w1_smem.c

   1 /*
   2  *      w1_smem.c
   3  *
   4  * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
   5  *
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the smems of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  20  */
  21
  22 #include <asm/types.h>
  23
  24 #include <linux/kernel.h>
  25 #include <linux/module.h>
  26 #include <linux/moduleparam.h>
  27 #include <linux/device.h>
  28 #include <linux/types.h>
  29
  30 #include "../w1.h"
  31 #include "../w1_int.h"
  32 #include "../w1_family.h"
  33
  34 MODULE_LICENSE("GPL");
  35 MODULE_AUTHOR("Evgeniy Polyakov <johnpol@2ka.mipt.ru>");
  36 MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family.");
  37
  38 static struct w1_family w1_smem_family_01 = {
  39         .fid = W1_FAMILY_SMEM_01,
  40 };
  41
  42 static struct w1_family w1_smem_family_81 = {
  43         .fid = W1_FAMILY_SMEM_81,
  44 };
  45
  46 static int __init w1_smem_init(void)
  47 {
  48         int err;
  49
  50         err = w1_register_family(&w1_smem_family_01);
  51         if (err)
  52                 return err;
  53
  54         err = w1_register_family(&w1_smem_family_81);
  55         if (err) {
  56                 w1_unregister_family(&w1_smem_family_01);
  57                 return err;
  58         }
  59
  60         return 0;
  61 }
  62
  63 static void __exit w1_smem_fini(void)
  64 {
  65         w1_unregister_family(&w1_smem_family_01);
  66         w1_unregister_family(&w1_smem_family_81);
  67 }
  68
  69 module_init(w1_smem_init);
  70 module_exit(w1_smem_fini);