- return submit_bulk_msg(dev, pipe, buffer, len);
+
+ timeout = get_timer(0) + USB_TIMEOUT_MS(pipe);
+ for (;;) {
+ if (get_timer(0) > timeout) {
+ printf("Timeout poll on interrupt endpoint\n");
+ return -ETIMEDOUT;
+ }
+ ret = submit_bulk_msg(dev, pipe, buffer, len);
+ if (ret != -EAGAIN)
+ return ret;
+ }