URB_SEND_ZERO_PACKET 4624 drivers/usb/dwc2/hcd.c 		tflags |= URB_SEND_ZERO_PACKET;
URB_SEND_ZERO_PACKET  512 drivers/usb/dwc2/hcd_intr.c 	    (urb->flags & URB_SEND_ZERO_PACKET) &&