[PATCH 09/13] usb: ehci-mx6: Fix USB QTD data buffer error

[Marek Vasut]

On 9/16/20 2:57 PM, peng.fan at nxp.com wrote:
> From: Ye Li <ye.li at nxp.com>
> 
> Some iMX6 platforms will meet "EHCI timed out on TD" when reading
> or writing data to USB disk. The root cause is last QTD reports
> data buffer error.
> Accroding to RM, this event indicates that an overrun of incoming
> data or a underrun of outgoing data has occurred for this transaction.
> This would generally be caused by the host controller not being able
> to access required data buffers in memory within necessary latency
> requirements.

How do you even trigger this in U-Boot ?