USB: add driver for the USB debug devices

It's a simple usb-serial driver that just creates a tty device to read
and write from.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 77 insertions, 0 deletions

diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index 2a8dd4cc943d..2f4d303ee36f 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -554,6 +554,17 @@ config USB_SERIAL_OMNINET
           To compile this driver as a module, choose M here: the
           module will be called omninet.
 
+config USB_SERIAL_DEBUG
+        tristate "USB Debugging Device"
+        depends on USB_SERIAL
+        help
+          Say Y here if you have a USB debugging device used to recieve
+          debugging data from another machine.  The most common of these
+          devices is the NetChip TurboCONNECT device.
+
+          To compile this driver as a module, choose M here: the
+          module will be called usb-debug.
+
 config USB_EZUSB
         bool
         depends on USB_SERIAL_KEYSPAN_PDA || USB_SERIAL_XIRCOM || USB_SERIAL_KEYSPAN || USB_SERIAL_WHITEHEAT
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index a5047dc599bb..61166ad450e6 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_USB_SERIAL_BELKIN)			+= belkin_sa.o
 obj-$(CONFIG_USB_SERIAL_CP2101)                 += cp2101.o
 obj-$(CONFIG_USB_SERIAL_CYBERJACK)              += cyberjack.o
 obj-$(CONFIG_USB_SERIAL_CYPRESS_M8)             += cypress_m8.o
+obj-$(CONFIG_USB_SERIAL_DEBUG)                  += usb_debug.o
 obj-$(CONFIG_USB_SERIAL_DIGI_ACCELEPORT)        += digi_acceleport.o
 obj-$(CONFIG_USB_SERIAL_EDGEPORT)               += io_edgeport.o
 obj-$(CONFIG_USB_SERIAL_EDGEPORT_TI)            += io_ti.o
diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c
new file mode 100644
index 000000000000..257a5e436873
--- /dev/null
+++ b/drivers/usb/serial/usb_debug.c
@@ -0,0 +1,65 @@
+/*
+ * USB Debug cable driver
+ *
+ * Copyright (C) 2006 Greg Kroah-Hartman <greg@kroah.com>
+ *
+ *      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>
+
+static struct usb_device_id id_table [] = {
+        { USB_DEVICE(0x0525, 0x127a) },
+        { },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_driver debug_driver = {
+        .name =         "debug",
+        .probe =        usb_serial_probe,
+        .disconnect =   usb_serial_disconnect,
+        .id_table =     id_table,
+        .no_dynamic_id =        1,
+};
+
+static struct usb_serial_driver debug_device = {
+        .driver = {
+                .owner =        THIS_MODULE,
+                .name =         "debug",
+        },
+        .id_table =             id_table,
+        .num_interrupt_in =     NUM_DONT_CARE,
+        .num_bulk_in =          NUM_DONT_CARE,
+        .num_bulk_out =         NUM_DONT_CARE,
+        .num_ports =            1,
+};
+
+static int __init debug_init(void)
+{
+        int retval;
+
+        retval = usb_serial_register(&debug_device);
+        if (retval)
+                return retval;
+        retval = usb_register(&debug_driver);
+        if (retval)
+                usb_serial_deregister(&debug_device);
+        return retval;
+}
+
+static void __exit debug_exit(void)
+{
+        usb_deregister(&debug_driver);
+        usb_serial_deregister(&debug_device);
+}
+
+module_init(debug_init);
+module_exit(debug_exit);
+MODULE_LICENSE("GPL");