release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/usb/serial/funsoft.c

   1 /*
   2  * Funsoft Serial USB driver
   3  *
   4  * Copyright (C) 2006 Greg Kroah-Hartman <gregkh@suse.de>
   5  *
   6  *      This program is free software; you can redistribute it and/or
   7  *      modify it under the terms of the GNU General Public License version
   8  *      2 as published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/tty.h>
  14 #include <linux/module.h>
  15 #include <linux/usb.h>
  16 #include <linux/usb/serial.h>
  17 #include <linux/uaccess.h>
  18
  19 static int debug;
  20
  21 static const struct usb_device_id id_table[] = {
  22         { USB_DEVICE(0x1404, 0xcddc) },
  23         { },
  24 };
  25 MODULE_DEVICE_TABLE(usb, id_table);
  26
  27 static struct usb_driver funsoft_driver = {
  28         .name =         "funsoft",
  29         .probe =        usb_serial_probe,
  30         .disconnect =   usb_serial_disconnect,
  31         .id_table =     id_table,
  32         .no_dynamic_id =        1,
  33 };
  34
  35 static struct usb_serial_driver funsoft_device = {
  36         .driver = {
  37                 .owner =        THIS_MODULE,
  38                 .name =         "funsoft",
  39         },
  40         .id_table =             id_table,
  41         .usb_driver =           &funsoft_driver,
  42         .num_ports =            1,
  43 };
  44
  45 static int __init funsoft_init(void)
  46 {
  47         int retval;
  48
  49         retval = usb_serial_register(&funsoft_device);
  50         if (retval)
  51                 return retval;
  52         retval = usb_register(&funsoft_driver);
  53         if (retval)
  54                 usb_serial_deregister(&funsoft_device);
  55         return retval;
  56 }
  57
  58 static void __exit funsoft_exit(void)
  59 {
  60         usb_deregister(&funsoft_driver);
  61         usb_serial_deregister(&funsoft_device);
  62 }
  63
  64 module_init(funsoft_init);
  65 module_exit(funsoft_exit);
  66 MODULE_LICENSE("GPL");
  67
  68 module_param(debug, bool, S_IRUGO | S_IWUSR);
  69 MODULE_PARM_DESC(debug, "Debug enabled or not");