262 	struct urb *intr_urb;
272 static void ems_usb_read_interrupt_callback(struct urb *urb)  in ems_usb_read_interrupt_callback()  argument
274 	struct ems_usb *dev = urb->context;  in ems_usb_read_interrupt_callback()
281 	switch (urb->status) {  in ems_usb_read_interrupt_callback()
297 		netdev_info(netdev, "Rx interrupt aborted %d\n", urb->status);  in ems_usb_read_interrupt_callback()
301 	err = usb_submit_urb(urb, GFP_ATOMIC);  in ems_usb_read_interrupt_callback()
420 static void ems_usb_read_bulk_callback(struct urb *urb)  in ems_usb_read_bulk_callback()  argument
422 	struct ems_usb *dev = urb->context;  in ems_usb_read_bulk_callback()
431 	switch (urb->status) {  in ems_usb_read_bulk_callback()
439 		netdev_info(netdev, "Rx URB aborted (%d)\n", urb->status);  in ems_usb_read_bulk_callback()
443 	if (urb->actual_length > CPC_HEADER_SIZE) {  in ems_usb_read_bulk_callback()
445 		u8 *ibuf = urb->transfer_buffer;  in ems_usb_read_bulk_callback()
482 			if (start > urb->transfer_buffer_length) {  in ems_usb_read_bulk_callback()
490 	usb_fill_bulk_urb(urb, dev->udev, usb_rcvbulkpipe(dev->udev, 2),  in ems_usb_read_bulk_callback()
491 			  urb->transfer_buffer, RX_BUFFER_SIZE,  in ems_usb_read_bulk_callback()
494 	retval = usb_submit_urb(urb, GFP_ATOMIC);  in ems_usb_read_bulk_callback()
506 static void ems_usb_write_bulk_callback(struct urb *urb)  in ems_usb_write_bulk_callback()  argument
508 	struct ems_tx_urb_context *context = urb->context;  in ems_usb_write_bulk_callback()
518 	usb_free_coherent(urb->dev, urb->transfer_buffer_length,  in ems_usb_write_bulk_callback()
519 			  urb->transfer_buffer, urb->transfer_dma);  in ems_usb_write_bulk_callback()
526 	if (urb->status)  in ems_usb_write_bulk_callback()
527 		netdev_info(netdev, "Tx URB aborted (%d)\n", urb->status);  in ems_usb_write_bulk_callback()
602 		struct urb *urb = NULL;  in ems_usb_start()  local
606 		urb = usb_alloc_urb(0, GFP_KERNEL);  in ems_usb_start()
607 		if (!urb) {  in ems_usb_start()
614 					 &urb->transfer_dma);  in ems_usb_start()
617 			usb_free_urb(urb);  in ems_usb_start()
622 		usb_fill_bulk_urb(urb, dev->udev, usb_rcvbulkpipe(dev->udev, 2),  in ems_usb_start()
625 		urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;  in ems_usb_start()
626 		usb_anchor_urb(urb, &dev->rx_submitted);  in ems_usb_start()
628 		err = usb_submit_urb(urb, GFP_KERNEL);  in ems_usb_start()
630 			usb_unanchor_urb(urb);  in ems_usb_start()
632 					  urb->transfer_dma);  in ems_usb_start()
633 			usb_free_urb(urb);  in ems_usb_start()
638 		usb_free_urb(urb);  in ems_usb_start()
749 	struct urb *urb;  in ems_usb_start_xmit()  local
759 	urb = usb_alloc_urb(0, GFP_ATOMIC);  in ems_usb_start_xmit()
760 	if (!urb) {  in ems_usb_start_xmit()
765 	buf = usb_alloc_coherent(dev->udev, size, GFP_ATOMIC, &urb->transfer_dma);  in ems_usb_start_xmit()
768 		usb_free_urb(urb);  in ems_usb_start_xmit()
804 		usb_free_coherent(dev->udev, size, buf, urb->transfer_dma);  in ems_usb_start_xmit()
805 		usb_free_urb(urb);  in ems_usb_start_xmit()
816 	usb_fill_bulk_urb(urb, dev->udev, usb_sndbulkpipe(dev->udev, 2), buf,  in ems_usb_start_xmit()
818 	urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;  in ems_usb_start_xmit()
819 	usb_anchor_urb(urb, &dev->tx_submitted);  in ems_usb_start_xmit()
825 	err = usb_submit_urb(urb, GFP_ATOMIC);  in ems_usb_start_xmit()
829 		usb_unanchor_urb(urb);  in ems_usb_start_xmit()
830 		usb_free_coherent(dev->udev, size, buf, urb->transfer_dma);  in ems_usb_start_xmit()
856 	usb_free_urb(urb);  in ems_usb_start_xmit()