> > So I'd prefer two buffers for cleaness' sake.
>
> Hmm, the read and write buffers are 8Kbytes each ... what was
> the architecture that shared 16 Kbyte cachelines? :)
Are you sure they are aligned?
There otherwise would still be a problem at the edges.
> Actually, for those buffers I'd prefer to see the
> buffers allocated using usb_buffer_alloc(), so
> that on architectures that have DMA restrictions
> (SA-1111 for example) there'd be no extra "bounce"
> through a temporary DMA buffer.
Yes, that's even better.
Regards
Oliver
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