We are operating iMX6 USB OTG port in device mode. We are able to connect the host device and start the transfer.
But after few seconds of working, imx6 USB OTG port is not responding to IN packet sent by Host device.
Based on our understanding, USB device controller should send atleast the NAK packet for the IN token from the Host?
Are there any known issues in imx6? Could you please advise on how to debug this issue further?
Are there any test daemons available to check the USB transfer between PC and imx6 USB device?