196 	struct usb_device*	udev;		/* save off the usb device pointer */  member
361 	result = usb_control_msg (dev->udev,  in tower_open()
362 				  usb_rcvctrlpipe(dev->udev, 0),  in tower_open()
371 		dev_err(&dev->udev->dev,  in tower_open()
381 			  dev->udev,  in tower_open()
382 			  usb_rcvintpipe(dev->udev, dev->interrupt_in_endpoint->bEndpointAddress),  in tower_open()
395 		dev_err(&dev->udev->dev,  in tower_open()
434 		dev_dbg(&dev->udev->dev, "%s: device not opened exactly once\n",  in tower_release()
439 	if (dev->udev == NULL) {  in tower_release()
478 		if (dev->udev)  in tower_abort_transfers()
481 	if (dev->interrupt_out_busy && dev->udev)  in tower_abort_transfers()
517 	if (!dev->udev)  in tower_poll()
564 	if (dev->udev == NULL) {  in tower_read()
572 		dev_dbg(&dev->udev->dev, "read request of 0 bytes\n");  in tower_read()
650 	if (dev->udev == NULL) {  in tower_write()
658 		dev_dbg(&dev->udev->dev, "write request of 0 bytes\n");  in tower_write()
676 	dev_dbg(&dev->udev->dev, "%s: count = %Zd, bytes_to_write = %Zd\n",  in tower_write()
686 			 dev->udev,  in tower_write()
687 			 usb_sndintpipe(dev->udev, dev->interrupt_out_endpoint->bEndpointAddress),  in tower_write()
700 		dev_err(&dev->udev->dev,  in tower_write()
724 	lego_usb_tower_debug_data(&dev->udev->dev, __func__,  in tower_interrupt_in_callback()
733 			dev_dbg(&dev->udev->dev,  in tower_interrupt_in_callback()
748 			dev_dbg(&dev->udev->dev, "%s: received %d bytes\n",  in tower_interrupt_in_callback()
759 	if (dev->interrupt_in_running && dev->udev) {  in tower_interrupt_in_callback()
762 			dev_err(&dev->udev->dev,  in tower_interrupt_in_callback()
781 	lego_usb_tower_debug_data(&dev->udev->dev, __func__,  in tower_interrupt_out_callback()
788 		dev_dbg(&dev->udev->dev,  in tower_interrupt_out_callback()
807 	struct usb_device *udev = interface_to_usbdev(interface);  in tower_probe()  local
827 	dev->udev = udev;  in tower_probe()
920 	result = usb_control_msg (udev,  in tower_probe()
921 				  usb_rcvctrlpipe(udev, 0),  in tower_probe()
976 		dev->udev = NULL;  in tower_disconnect()