272 	struct ep_data	*epdata = ep->driver_data;  in epio_complete()  local
277 		epdata->status = req->status;  in epio_complete()
279 		epdata->status = req->actual;  in epio_complete()
287 get_ready_ep (unsigned f_flags, struct ep_data *epdata)  in get_ready_ep()  argument
292 		if (!mutex_trylock(&epdata->lock))  in get_ready_ep()
294 		if (epdata->state != STATE_EP_ENABLED) {  in get_ready_ep()
295 			mutex_unlock(&epdata->lock);  in get_ready_ep()
303 	val = mutex_lock_interruptible(&epdata->lock);  in get_ready_ep()
307 	switch (epdata->state) {  in get_ready_ep()
314 				shortname, epdata, epdata->state);  in get_ready_ep()
318 		mutex_unlock(&epdata->lock);  in get_ready_ep()
324 ep_io (struct ep_data *epdata, void *buf, unsigned len)  in ep_io()  argument
329 	spin_lock_irq (&epdata->dev->lock);  in ep_io()
330 	if (likely (epdata->ep != NULL)) {  in ep_io()
331 		struct usb_request	*req = epdata->req;  in ep_io()
337 		value = usb_ep_queue (epdata->ep, req, GFP_ATOMIC);  in ep_io()
340 	spin_unlock_irq (&epdata->dev->lock);  in ep_io()
345 			spin_lock_irq (&epdata->dev->lock);  in ep_io()
346 			if (likely (epdata->ep != NULL)) {  in ep_io()
347 				DBG (epdata->dev, "%s i/o interrupted\n",  in ep_io()
348 						epdata->name);  in ep_io()
349 				usb_ep_dequeue (epdata->ep, epdata->req);  in ep_io()
350 				spin_unlock_irq (&epdata->dev->lock);  in ep_io()
353 				if (epdata->status == -ECONNRESET)  in ep_io()
354 					epdata->status = -EINTR;  in ep_io()
356 				spin_unlock_irq (&epdata->dev->lock);  in ep_io()
358 				DBG (epdata->dev, "endpoint gone\n");  in ep_io()
359 				epdata->status = -ENODEV;  in ep_io()
362 		return epdata->status;  in ep_io()
517 	struct ep_data		*epdata;  member
530 	struct ep_data		*epdata;  in ep_aio_cancel()  local
534 	epdata = priv->epdata;  in ep_aio_cancel()
536 	if (likely(epdata && epdata->ep && priv->req))  in ep_aio_cancel()
537 		value = usb_ep_dequeue (epdata->ep, priv->req);  in ep_aio_cancel()
598 	struct ep_data		*epdata = priv->epdata;  in ep_aio_complete()  local
601 	spin_lock(&epdata->dev->lock);  in ep_aio_complete()
603 	priv->epdata = NULL;  in ep_aio_complete()
619 			DBG(epdata->dev, "%s fault %d len %d\n",  in ep_aio_complete()
626 	spin_unlock(&epdata->dev->lock);  in ep_aio_complete()
629 	put_ep(epdata);  in ep_aio_complete()
637 	struct ep_data	*epdata,  in ep_aio_rwtail()  argument
659 	value = get_ready_ep(iocb->ki_filp->f_flags, epdata);  in ep_aio_rwtail()
666 	get_ep(epdata);  in ep_aio_rwtail()
667 	priv->epdata = epdata;  in ep_aio_rwtail()
674 	spin_lock_irq(&epdata->dev->lock);  in ep_aio_rwtail()
675 	if (likely(epdata->ep)) {  in ep_aio_rwtail()
676 		req = usb_ep_alloc_request(epdata->ep, GFP_ATOMIC);  in ep_aio_rwtail()
683 			value = usb_ep_queue(epdata->ep, req, GFP_ATOMIC);  in ep_aio_rwtail()
685 				usb_ep_free_request(epdata->ep, req);  in ep_aio_rwtail()
690 	spin_unlock_irq(&epdata->dev->lock);  in ep_aio_rwtail()
692 	mutex_unlock(&epdata->lock);  in ep_aio_rwtail()
696 		put_ep(epdata);  in ep_aio_rwtail()
706 	struct ep_data		*epdata = iocb->ki_filp->private_data;  in ep_aio_read()  local
709 	if (unlikely(usb_endpoint_dir_in(&epdata->desc)))  in ep_aio_read()
716 	return ep_aio_rwtail(iocb, buf, iocb->ki_left, epdata, iov, nr_segs);  in ep_aio_read()
723 	struct ep_data		*epdata = iocb->ki_filp->private_data;  in ep_aio_write()  local
728 	if (unlikely(!usb_endpoint_dir_in(&epdata->desc)))  in ep_aio_write()
743 	return ep_aio_rwtail(iocb, buf, len, epdata, NULL, 0);  in ep_aio_write()