> Just to make sure I'm not misunderstanding it. So, PDC202xx will lock
> up if you transfer allocation size, reset and then try to drain, but
> it's okay to keep draining as part of continued PIO transfer, right?
The following hang mine:
PIO transfer
Reset state machine
Read data register
DMA transfer in progress
Read data register
And this does not
PIO transfer
Keep reading data register while checking DRQ
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