Re: [linux-usb-devel] Linux 2.4.4 + USB + CPiA Driver

[David Brownell]

> And I have also found a bug but it seems it's not the 'right' one
> for this problem:
> 
> urb_free_priv () just unmaps the last part (belonging to the last TD)
> of the data buffer.

I'll have to patch that.  Clearly I was thinking I made OHCI do
this the same way as EHCI ... not quite!  :)

This won't be an issue on x86 or other platforms that implement
the mappings by virt_to_bus() calls, or for transfers that fit into
exactly one TD.  Since 4 KBytes fits into one OHCI TD, that
explains why this one may not have been seen "in the wild" yet.

- Dave



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