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>

1 files changed, 65 insertions, 0 deletions

diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c
new file mode 100644
index 00000000000..257a5e43687
--- /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");