usbcore: refine warm reset logic
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / usb / serial / siemens_mpi.c
blob74cd4ccdb3fcc1b344de2e969df87c4882825ea4
1 /*
2 * Siemens USB-MPI Serial USB driver
4 * Copyright (C) 2005 Thomas Hergenhahn <thomas.hergenhahn@suse.de>
5 * Copyright (C) 2005,2008 Greg Kroah-Hartman <gregkh@suse.de>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License version
9 * 2 as published by the Free Software Foundation.
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/tty.h>
15 #include <linux/module.h>
16 #include <linux/usb.h>
17 #include <linux/usb/serial.h>
19 /* Version Information */
20 #define DRIVER_VERSION "Version 0.1 09/26/2005"
21 #define DRIVER_AUTHOR "Thomas Hergenhahn@web.de http://libnodave.sf.net"
22 #define DRIVER_DESC "Driver for Siemens USB/MPI adapter"
25 static const struct usb_device_id id_table[] = {
26 /* Vendor and product id for 6ES7-972-0CB20-0XA0 */
27 { USB_DEVICE(0x908, 0x0004) },
28 { },
30 MODULE_DEVICE_TABLE(usb, id_table);
32 static struct usb_driver siemens_usb_mpi_driver = {
33 .name = "siemens_mpi",
34 .probe = usb_serial_probe,
35 .disconnect = usb_serial_disconnect,
36 .id_table = id_table,
39 static struct usb_serial_driver siemens_usb_mpi_device = {
40 .driver = {
41 .owner = THIS_MODULE,
42 .name = "siemens_mpi",
44 .id_table = id_table,
45 .usb_driver = &siemens_usb_mpi_driver,
46 .num_ports = 1,
49 static int __init siemens_usb_mpi_init(void)
51 int retval;
53 retval = usb_serial_register(&siemens_usb_mpi_device);
54 if (retval)
55 goto failed_usb_serial_register;
56 retval = usb_register(&siemens_usb_mpi_driver);
57 if (retval)
58 goto failed_usb_register;
59 printk(KERN_INFO DRIVER_DESC "\n");
60 printk(KERN_INFO DRIVER_VERSION " " DRIVER_AUTHOR "\n");
61 return retval;
62 failed_usb_register:
63 usb_serial_deregister(&siemens_usb_mpi_device);
64 failed_usb_serial_register:
65 return retval;
68 static void __exit siemens_usb_mpi_exit(void)
70 usb_deregister(&siemens_usb_mpi_driver);
71 usb_serial_deregister(&siemens_usb_mpi_device);
74 module_init(siemens_usb_mpi_init);
75 module_exit(siemens_usb_mpi_exit);
76 MODULE_AUTHOR(DRIVER_AUTHOR);
77 MODULE_DESCRIPTION(DRIVER_DESC);
78 MODULE_LICENSE("GPL");