--- a/drivers/usb/mtu3/mtu3_gadget.c +++ b/drivers/usb/mtu3/mtu3_gadget.c @@ -93,6 +93,13 @@ static int mtu3_ep_enable(struct mtu3_ep mult = usb_endpoint_maxp_mult(desc) - 1; } break; + case USB_SPEED_FULL: + if (usb_endpoint_xfer_isoc(desc)) + interval = clamp_val(desc->bInterval, 1, 16); + else if (usb_endpoint_xfer_int(desc)) + interval = clamp_val(desc->bInterval, 1, 255); + + break; default: break; /*others are ignored */ }