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>

3 files changed, 86 insertions, 0 deletions

diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index da30784a0ef2..b361f05cafac 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -496,6 +496,14 @@ config USB_SERIAL_SAFE_PADDED
         bool "USB Secure Encapsulated Driver - Padded"
         depends on USB_SERIAL_SAFE
 
+config USB_SERIAL_SIEMENS_MPI
+        tristate "USB Siemens MPI driver"
+        help
+          Say M here if you want to use a Siemens USB/MPI adapter.
+
+          To compile this driver as a module, choose M here: the
+          module will be called siemens_mpi.
+
 config USB_SERIAL_SIERRAWIRELESS
         tristate "USB Sierra Wireless Driver"
         help
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 9a4f59e0ee5f..b75be91eb8f1 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -46,6 +46,7 @@ obj-$(CONFIG_USB_SERIAL_OPTION)			+= option.o
 obj-$(CONFIG_USB_SERIAL_OTI6858)                += oti6858.o
 obj-$(CONFIG_USB_SERIAL_PL2303)                 += pl2303.o
 obj-$(CONFIG_USB_SERIAL_SAFE)                   += safe_serial.o
+obj-$(CONFIG_USB_SERIAL_SIEMENS_MPI)            += siemens_mpi.o
 obj-$(CONFIG_USB_SERIAL_SIERRAWIRELESS)         += sierra.o
 obj-$(CONFIG_USB_SERIAL_SPCP8X5)                += spcp8x5.o
 obj-$(CONFIG_USB_SERIAL_TI)                     += ti_usb_3410_5052.o
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");