usb: dwc3: gadget: disable XFER_NOT_READY

We don't need this IRQ anymore for interrupt or bulk
endpoints.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/dwc3/gadget.c

@@ -485,8 +485,10 @@ static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep,
 		params.param2 |= dep->saved_state;
 	}
 
-	params.param1 = DWC3_DEPCFG_XFER_COMPLETE_EN
-		| DWC3_DEPCFG_XFER_NOT_READY_EN;
+	params.param1 = DWC3_DEPCFG_XFER_COMPLETE_EN;
+
+	if (dep->number <= 1 || usb_endpoint_xfer_isoc(desc))
+		params.param1 |= DWC3_DEPCFG_XFER_NOT_READY_EN;
 
 	if (usb_ss_max_streams(comp_desc) && usb_endpoint_xfer_bulk(desc)) {
 		params.param1 |= DWC3_DEPCFG_STREAM_CAPABLE