+
+ response = 0;
+
+ if (edge_serial->is_epic) {
+ /* EPIC thing, set up our interrupt polling now and our read urb, so
+ * that the device knows it really is connected. */
+ interrupt_in_found = bulk_in_found = bulk_out_found = FALSE;
+ for (i = 0; i < serial->interface->altsetting[0].desc.bNumEndpoints; ++i) {
+ struct usb_endpoint_descriptor *endpoint;
+ int buffer_size;
+
+ endpoint = &serial->interface->altsetting[0].endpoint[i].desc;
+ buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
+ if ((!interrupt_in_found) &&
+ (usb_endpoint_is_int_in(endpoint))) {
+ /* we found a interrupt in endpoint */
+ dbg("found interrupt in");
+
+ /* not set up yet, so do it now */
+ edge_serial->interrupt_read_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!edge_serial->interrupt_read_urb) {
+ err("out of memory");
+ return -ENOMEM;
+ }
+ edge_serial->interrupt_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
+ if (!edge_serial->interrupt_in_buffer) {
+ err("out of memory");
+ usb_free_urb(edge_serial->interrupt_read_urb);
+ return -ENOMEM;
+ }
+ edge_serial->interrupt_in_endpoint = endpoint->bEndpointAddress;
+
+ /* set up our interrupt urb */
+ usb_fill_int_urb(edge_serial->interrupt_read_urb,
+ dev,
+ usb_rcvintpipe(dev, endpoint->bEndpointAddress),
+ edge_serial->interrupt_in_buffer,
+ buffer_size,
+ edge_interrupt_callback,
+ edge_serial,
+ endpoint->bInterval);
+
+ interrupt_in_found = TRUE;
+ }
+
+ if ((!bulk_in_found) &&
+ (usb_endpoint_is_bulk_in(endpoint))) {
+ /* we found a bulk in endpoint */
+ dbg("found bulk in");
+
+ /* not set up yet, so do it now */
+ edge_serial->read_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!edge_serial->read_urb) {
+ err("out of memory");
+ return -ENOMEM;
+ }
+ edge_serial->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
+ if (!edge_serial->bulk_in_buffer) {
+ err ("out of memory");
+ usb_free_urb(edge_serial->read_urb);
+ return -ENOMEM;
+ }
+ edge_serial->bulk_in_endpoint = endpoint->bEndpointAddress;
+
+ /* set up our bulk in urb */
+ usb_fill_bulk_urb(edge_serial->read_urb, dev,
+ usb_rcvbulkpipe(dev, endpoint->bEndpointAddress),
+ edge_serial->bulk_in_buffer,
+ endpoint->wMaxPacketSize,
+ edge_bulk_in_callback,
+ edge_serial);
+ bulk_in_found = TRUE;
+ }
+
+ if ((!bulk_out_found) &&
+ (usb_endpoint_is_bulk_out(endpoint))) {
+ /* we found a bulk out endpoint */
+ dbg("found bulk out");
+ edge_serial->bulk_out_endpoint = endpoint->bEndpointAddress;
+ bulk_out_found = TRUE;
+ }
+ }
+
+ if ((!interrupt_in_found) || (!bulk_in_found) || (!bulk_out_found)) {
+ err ("Error - the proper endpoints were not found!");
+ return -ENODEV;
+ }
+
+ /* start interrupt read for this edgeport this interrupt will
+ * continue as long as the edgeport is connected */
+ response = usb_submit_urb(edge_serial->interrupt_read_urb, GFP_KERNEL);
+ if (response)
+ err("%s - Error %d submitting control urb", __FUNCTION__, response);
+ }
+ return response;