usb/serial/io_edgeport.c

166 	struct urb		*write_urb;		/* write URB for this port */
205 	struct urb		*interrupt_read_urb;		/* our interrupt urb */
209 	struct urb		*read_urb;			/* our bulk read urb */
567 static void edge_interrupt_callback(struct urb *urb)
569 	struct edgeport_serial *edge_serial = urb->context;
573 	unsigned char *data = urb->transfer_buffer;
574 	int length = urb->actual_length;
581 	int status = urb->status;
590 		/* this urb is terminated, clean up */
591 		dev_dbg(&urb->dev->dev, "%s - urb shutting down with status: %d\n", __func__, status);
594 		dev_dbg(&urb->dev->dev, "%s - nonzero urb status received: %d\n", __func__, status);
668 	result = usb_submit_urb(urb, GFP_ATOMIC);
670 		dev_err(&urb->dev->dev,
671 			"%s - Error %d submitting control urb\n",
681 static void edge_bulk_in_callback(struct urb *urb)
683 	struct edgeport_serial	*edge_serial = urb->context;
685 	unsigned char		*data = urb->transfer_buffer;
688 	int status = urb->status;
692 		dev_dbg(&urb->dev->dev, "%s - nonzero read bulk status received: %d\n",
698 	if (urb->actual_length == 0) {
699 		dev_dbg(&urb->dev->dev, "%s - read bulk callback with no data\n", __func__);
705 	raw_data_length = urb->actual_length;
717 	process_rcvd_data(edge_serial, data, urb->actual_length);
742 static void edge_bulk_out_data_callback(struct urb *urb)
744 	struct edgeport_port *edge_port = urb->context;
745 	int status = urb->status;
748 		dev_dbg(&urb->dev->dev,
770 static void edge_bulk_out_cmd_callback(struct urb *urb)
772 	struct edgeport_port *edge_port = urb->context;
773 	int status = urb->status;
776 	dev_dbg(&urb->dev->dev, "%s - FREE URB %p (outstanding %d)\n",
777 		__func__, urb, atomic_read(&CmdUrbs));
781 	kfree(urb->transfer_buffer);
783 	/* Free the command urb */
784 	usb_free_urb(urb);
787 		dev_dbg(&urb->dev->dev,
846 		/* set up our interrupt urb */
856 		/* set up our bulk in urb */
871 			dev_err(dev, "%s - Error %d submitting control urb\n",
1095 		/* if this urb had a transfer buffer already
1214 	struct urb	*urb;
1250 	urb = edge_port->write_urb;
1253 	kfree(urb->transfer_buffer);
1254 	urb->transfer_buffer = NULL;
1287 	/* fill up the urb with all of our data and submit it */
1288 	usb_fill_bulk_urb(urb, edge_serial->serial->dev,
1298 	status = usb_submit_urb(urb, GFP_ATOMIC);
2133 	struct urb *urb;
2137 	/* Allocate our next urb */
2138 	urb = usb_alloc_urb(0, GFP_ATOMIC);
2139 	if (!urb)
2144 		__func__, urb, atomic_read(&CmdUrbs));
2146 	usb_fill_bulk_urb(urb, edge_serial->serial->dev,
2152 	status = usb_submit_urb(urb, GFP_ATOMIC);
2158 		usb_free_urb(urb);
2795 		 * urb, so that the device knows it really is connected. */
2825 				/* set up our interrupt urb */
2862 				/* set up our bulk in urb */
2898 			dev_err(ddev, "%s - Error %d submitting control urb\n",