Re: "Fix ATAPI transfer lengths" causes CD writing regression

[Alan Cox <alan@lxorguk.ukuu.org.uk>]

> 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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/