Re: [PATCH] Add quirk to set AHCI mode on ICH boards

[Mark Lord]

Jeff Garzik wrote:
> On Thu, Nov 08, 2007 at 10:29:37PM -0500, Mark Lord wrote:
> > And I might even privately patch my own kernels to map the ACHI BAR
> > in the cases where the BIOS didn't...
>
> The inability to do this in the general case is the main reason why
> AHCI was not unconditionally enabled, even in IDE mode, when it was
> originally added...  :/
..

Yeah, that one's always puzzled me.
It's just software,  so why don't we do it?  In the PCI layer, that is?
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