On Sun, Mar 05, 2006 at 02:25:54PM -0800, Andrew Morton wrote:
> Adrian Bunk <[email protected]> wrote:
> >
> > ACPI should depend on, not select PCI.
> >
>
> It's surprising that there's any such linkage, actually. Is it
> impossible for a non-PCI system to have ACPI?
When ACPI was concieved (~1999 according to the spec I have handy)
ISA-only PCs were somewhat scarce. It's probably safe to say anything
that supports ACPI has PCI (For x86[64] at least, I don't know about ia64)
The spec mentions as a minimum requirement for OSPM/ACPI systems
amongst other things..
"A _PRT method for all root PCI bridges"
which pretty much sounds like it's at dependant on PCI (or a later
evolved standard like PCIE) hardware being present.
Dave
--
http://www.codemonkey.org.uk
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