USB: add siemens_mpi usb-serial "stub" driver

This driver got rescued from a few years ago and was requested to be
added.  So I cleaned it up, ported it to the latest kernel version and
here it is.

Cc: Thomas Hergenhahn <thomas.hergenhahn@suse.de>
Cc: Emmanuele <iemmav@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 77 insertions, 0 deletions

diff --git a/drivers/usb/serial/siemens_mpi.c b/drivers/usb/serial/siemens_mpi.c
new file mode 100644
index 000000000000..951ea0c6ba77
--- /dev/null
+++ b/drivers/usb/serial/siemens_mpi.c
@@ -0,0 +1,77 @@
+/*
+ * Siemens USB-MPI Serial USB driver
+ *
+ * Copyright (C) 2005 Thomas Hergenhahn <thomas.hergenhahn@suse.de>
+ * Copyright (C) 2005,2008 Greg Kroah-Hartman <gregkh@suse.de>
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License version
+ *	2 as published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+
+/* Version Information */
+#define DRIVER_VERSION "Version 0.1 09/26/2005"
+#define DRIVER_AUTHOR "Thomas Hergenhahn@web.de http://libnodave.sf.net"
+#define DRIVER_DESC "Driver for Siemens USB/MPI adapter"
+
+
+static struct usb_device_id id_table[] = {
+	/* Vendor and product id for 6ES7-972-0CB20-0XA0 */
+	{ USB_DEVICE(0x908, 0x0004) },
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_driver siemens_usb_mpi_driver = {
+	.name =		"siemens_mpi",
+	.probe =	usb_serial_probe,
+	.disconnect =	usb_serial_disconnect,
+	.id_table =	id_table,
+};
+
+static struct usb_serial_driver siemens_usb_mpi_device = {
+	.driver = {
+		.owner =	THIS_MODULE,
+		.name =		"siemens_mpi",
+	},
+	.id_table =		id_table,
+	.num_ports =		1,
+};
+
+static int __init siemens_usb_mpi_init(void)
+{
+	int retval;
+
+	retval = usb_serial_register(&siemens_usb_mpi_device);
+	if (retval)
+		goto failed_usb_serial_register;
+	retval = usb_register(&siemens_usb_mpi_driver);
+	if (retval)
+		goto failed_usb_register;
+	printk(KERN_INFO DRIVER_DESC "\n");
+	printk(KERN_INFO DRIVER_VERSION " " DRIVER_AUTHOR "\n");
+	return retval;
+failed_usb_register:
+	usb_serial_deregister(&siemens_usb_mpi_device);
+failed_usb_serial_register:
+	return retval;
+}
+
+static void __exit siemens_usb_mpi_exit(void)
+{
+	usb_deregister(&siemens_usb_mpi_driver);
+	usb_serial_deregister(&siemens_usb_mpi_device);
+}
+
+module_init(siemens_usb_mpi_init);
+module_exit(siemens_usb_mpi_exit);
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");