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

Alan Cox
2007-11-09T12:04:42Z

On Thu, 8 Nov 2007 22:46:22 -0500
Jeff Garzik <jeff@garzik.org> 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... :/

We've done it all the time for various devices without problems (eg S3
video cards). I'd like to see it go in - although perhaps attached to a
force_ahci boot param initially