diff --git a/drivers/usb/cdns3/cdnsp-mem.c b/drivers/usb/cdns3/cdnsp-mem.c
index 5d4c4bfe15b70..697a4e47c6427 100644
--- a/drivers/usb/cdns3/cdnsp-mem.c
+++ b/drivers/usb/cdns3/cdnsp-mem.c
@@ -882,7 +882,7 @@ static u32 cdnsp_get_endpoint_max_burst(struct usb_gadget *g,
 	if (g->speed == USB_SPEED_HIGH &&
 	    (usb_endpoint_xfer_isoc(pep->endpoint.desc) ||
 	     usb_endpoint_xfer_int(pep->endpoint.desc)))
-		return (usb_endpoint_maxp(pep->endpoint.desc) & 0x1800) >> 11;
+		return usb_endpoint_maxp_mult(pep->endpoint.desc) - 1;
 
 	return 0;
 }