/**
  * Find a pipe that is ready to be scheduled to hardware.
  * @usb:        USB device state populated by cvmx_usb_initialize().
- * @list:       Pipe list to search
+ * @xfer_type:  Transfer type
  *
  * Returns: Pipe or NULL if none are ready
  */
 static struct cvmx_usb_pipe *cvmx_usb_find_ready_pipe(
                struct cvmx_usb_state *usb,
-               struct list_head *list)
+               enum cvmx_usb_transfer xfer_type)
 {
+       struct list_head *list = usb->active_pipes + xfer_type;
        u64 current_frame = usb->frame_number;
        struct cvmx_usb_pipe *pipe;
 
                         * beginning of the frame
                         */
                        pipe = cvmx_usb_find_ready_pipe(usb,
-                                                       usb->active_pipes + CVMX_USB_TRANSFER_ISOCHRONOUS);
+                                                       CVMX_USB_TRANSFER_ISOCHRONOUS);
                        if (likely(!pipe))
                                pipe = cvmx_usb_find_ready_pipe(usb,
-                                                               usb->active_pipes + CVMX_USB_TRANSFER_INTERRUPT);
+                                                               CVMX_USB_TRANSFER_INTERRUPT);
                }
                if (likely(!pipe)) {
                        pipe = cvmx_usb_find_ready_pipe(usb,
-                                                       usb->active_pipes + CVMX_USB_TRANSFER_CONTROL);
+                                                       CVMX_USB_TRANSFER_CONTROL);
                        if (likely(!pipe))
                                pipe = cvmx_usb_find_ready_pipe(usb,
-                                                               usb->active_pipes + CVMX_USB_TRANSFER_BULK);
+                                                               CVMX_USB_TRANSFER_BULK);
                }
                if (!pipe)
                        break;