Re: [PATCH 0/4] PCI legacy I/O port free driver (take 3)

[Andi Kleen]

On Monday 27 February 2006 23:52, Jeff Garzik wrote:

> Its trivial to detect PCI hardware that doesn't support MMIO, the
> "IO-only" hardware Grant mentioned...

But there might be hardware that needs both PIO and MMIO
e.g. graphic cards.

How would the poor firmware distingush between those and 
MMIO only?

-Andi
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