N900: Fix USB networking not working when cable is already attached during boot

index e6f04ee..f44d731 100644
@@ -1339,14 +1339,37 @@ static int udc_bind_to_driver(struct usb_udc *udc, struct usb_gadget_driver *dri
 	return ret;
 }
 
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver)
+int usb_udc_attach_driver(const char *name, struct usb_gadget_driver *driver)
+{
+	struct usb_udc *udc = NULL;
+	int ret = -ENODEV;
+
+	mutex_lock(&udc_lock);
+	list_for_each_entry(udc, &udc_list, list) {
+		ret = strcmp(name, dev_name(&udc->dev));
+		if (!ret)
+			break;
+	}
+	if (ret) {
+		ret = -ENODEV;
+		goto out;
+	}
+	if (udc->driver) {
+		ret = -EBUSY;
+		goto out;
+	}
+	ret = udc_bind_to_driver(udc, driver);
+out:
+	mutex_unlock(&udc_lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(usb_udc_attach_driver);
+
+int __usb_gadget_probe_driver(struct usb_gadget_driver *driver)
 {
 	struct usb_udc		*udc = NULL;
 	int			ret = -ENODEV;
 
-	if (!driver || !driver->bind || !driver->setup)
-		return -EINVAL;
-
 	mutex_lock(&udc_lock);
 	if (driver->udc_name) {
 		list_for_each_entry(udc, &udc_list, list) {

@@ -1382,6 +1405,36 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver)
 	mutex_unlock(&udc_lock);
 	return ret;
 }
+
+#define USB_GADGET_BIND_RETRIES		5
+#define USB_GADGET_BIND_TIMEOUT		(3 * HZ)
+static void usb_gadget_work(struct work_struct *work)
+{
+	struct usb_gadget_driver *driver = container_of(work,
+						struct usb_gadget_driver,
+						work.work);
+	int res;
+	
+	if (driver->retries++ > USB_GADGET_BIND_RETRIES) {
+		pr_err("couldn't find an available UDC\n");
+		return;
+	}
+
+	res = __usb_gadget_probe_driver(driver);
+	if (res == -ENODEV)
+		schedule_delayed_work(&driver->work, USB_GADGET_BIND_TIMEOUT);
+}
+
+int usb_gadget_probe_driver(struct usb_gadget_driver *driver)
+{
+	if (!driver || !driver->bind || !driver->setup)
+		return -EINVAL;
+
+	INIT_DELAYED_WORK(&driver->work, usb_gadget_work);
+	schedule_delayed_work(&driver->work, 0);
+
+	return 0;
+}
 EXPORT_SYMBOL_GPL(usb_gadget_probe_driver);
 
 int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)

@@ -1392,6 +1445,8 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 	if (!driver || !driver->unbind)
 		return -EINVAL;
 
+	cancel_delayed_work(&driver->work);
+
 	mutex_lock(&udc_lock);
 	list_for_each_entry(udc, &udc_list, list) {
 		if (udc->driver == driver) {

@@ -1573,7 +1628,7 @@ static int __init usb_udc_init(void)
 	udc_class->dev_uevent = usb_udc_uevent;
 	return 0;
 }
-subsys_initcall(usb_udc_init);
+late_initcall_sync(usb_udc_init);
 
 static void __exit usb_udc_exit(void)
 {

index 1a4a4ba..839a47b 100644
@@ -599,6 +599,8 @@ static inline int usb_gadget_activate(struct usb_gadget *gadget)
  * @resume: Invoked on USB resume.  May be called in_interrupt.
  * @reset: Invoked on USB bus reset. It is mandatory for all gadget drivers
  *	and should be called in_interrupt.
+ * @work: Gadget work used to bind to the USB controller.
+ * @retries: Gadget retries to bind to the USB controller.
  * @driver: Driver model state for this driver.
  * @udc_name: A name of UDC this driver should be bound to. If udc_name is NULL,
  *	this driver will be bound to any available UDC.

@@ -662,6 +664,8 @@ struct usb_gadget_driver {
 	void			(*suspend)(struct usb_gadget *);
 	void			(*resume)(struct usb_gadget *);
 	void			(*reset)(struct usb_gadget *);
+	struct delayed_work	work;
+	int			retries;
 
 	/* FIXME support safe rmmod */
 	struct device_driver	driver;