On Sat, Aug 23, 2025 at 12:06:09AM +1000, Nat Sloss wrote:
> Hi,
>
> I've done recent work on urtwn that fixes transfers when the device is used
> with xhci.
>
> It turns out the root of the problem was a lack of support in the xhci stack
> for the flag USBD_FORCE_SHORT_XFER.
>
>
> There is some previous artwork for ehci/uhci/ohci that has special handling
> for this particuar flag.
>
> Attached is my attempt at fixing this - this would also make possible for me
> to
> revert the last 2 commits to urtwn as I would no longer have to send zero
> lengh xfers in the driver.
>
> Thoughts?
>
Looks appropriate; just also make sure that any in-advance accounting of
TRBs is also adjusted.
Jonathan Kollasch
