28  * @driver - the gadget driver pointer. For use by the class code
31  * @list - for use by the udc class driver
34  * to hold information about udc driver and gadget together.
37 	struct usb_gadget_driver	*driver;  member
103  * @driver: The gadget driver we want to notify
105  * If the udc driver has bus reset handler, it needs to call this when the bus
106  * reset occurs, it notifies the gadget driver that the bus reset occurs as
110 		struct usb_gadget_driver *driver)  in usb_gadget_udc_reset()  argument
112 	driver->reset(gadget);  in usb_gadget_udc_reset()
121  * This call is issued by the UDC Class driver when it's about
122  * to register a gadget driver to the device controller, before
123  * calling gadget driver's bind() method.
132 	return udc->gadget->ops->udc_start(udc->gadget, udc->driver);  in usb_gadget_udc_start()
138  * @driver: The driver to unbind from @gadget
140  * This call is issued by the UDC Class driver after calling
141  * gadget driver's unbind() method.
156  * This is called by driver's core in order to free memory once the last
168  * usb_add_gadget_udc_release - adds a new gadget to the udc class driver list
169  * @parent: the parent device to this udc. Usually the controller driver's
210  * usb_add_gadget_udc - adds a new gadget to the udc class driver list
212  * driver's device.
225 	dev_dbg(&udc->dev, "unregistering UDC driver [%s]\n",  in usb_gadget_remove_driver()
226 			udc->driver->function);  in usb_gadget_remove_driver()
229 	udc->driver->disconnect(udc->gadget);  in usb_gadget_remove_driver()
230 	udc->driver->unbind(udc->gadget);  in usb_gadget_remove_driver()
233 	udc->driver = NULL;  in usb_gadget_remove_driver()
263 	if (udc->driver)  in usb_del_gadget_udc()
270 static int udc_bind_to_driver(struct usb_udc *udc, struct usb_gadget_driver *driver)  in udc_bind_to_driver()  argument
274 	dev_dbg(&udc->dev, "registering UDC driver [%s]\n",  in udc_bind_to_driver()
275 			driver->function);  in udc_bind_to_driver()
277 	udc->driver = driver;  in udc_bind_to_driver()
279 	ret = driver->bind(udc->gadget);  in udc_bind_to_driver()
284 		driver->unbind(udc->gadget);  in udc_bind_to_driver()
293 			udc->driver->function, ret);  in udc_bind_to_driver()
294 	udc->driver = NULL;  in udc_bind_to_driver()
298 int usb_gadget_probe_driver(struct usb_gadget_driver *driver)  in usb_gadget_probe_driver()  argument
303 	if (!driver || !driver->bind || !driver->setup)  in usb_gadget_probe_driver()
309 		if (!udc->driver)  in usb_gadget_probe_driver()
317 	ret = udc_bind_to_driver(udc, driver);  in usb_gadget_probe_driver()
323 int usb_gadget_register_driver(struct usb_gadget_driver *driver)  in usb_gadget_register_driver()  argument
325 	return usb_gadget_probe_driver(driver);  in usb_gadget_register_driver()
329 int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)  in usb_gadget_unregister_driver()  argument
334 	if (!driver || !driver->unbind)  in usb_gadget_unregister_driver()
339 		if (udc->driver == driver) {  in usb_gadget_unregister_driver()