commit 13fa2e69b1dda31bddb11fe61f250b9415885ead
author Felipe Balbi <felipe.balbi@linux.intel.com> Mon May 30 13:40:00 2016 +0300
committer Felipe Balbi <felipe.balbi@linux.intel.com> Mon Jun 20 12:32:50 2016 +0300
tree b1ec9aed1d9c089766c591d591caaaca5220e8e8
parent 55a0237f8f47957163125e20ee9260538c5c341c

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

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index eea4127..126e8b8 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -485,8 +485,10 @@
 		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