Messages in this thread | | | Date | Tue, 6 Nov 2007 12:48:21 +0000 | From | Alan Cox <> | Subject | Re: "Fix ATAPI transfer lengths" causes CD writing regression |
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> 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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