Re: 2.6.18-rc7-git1: AHCI not seeing devices on ICH8 mobo (DG965RY)

From: Robin H. Johnson
Date: Mon Sep 25 2006 - 17:39:50 EST

On Tue, Sep 19, 2006 at 03:24:46PM +0900, Tejun Heo wrote:
> Jeff Garzik wrote:
> >I don't really like this port_tbl approach. I think it complicates
> >things too much.
> >
> >Direct indexing should be fine. For the non-linear case, just make sure
> >the non-existent ports are always dummy ports. If the driver directly
> >references a port we know isn't there, that's just an AHCI bug to be
> >fixed...
> I thought about that too, but it will end up with ata1-6 with dummy 3
> and 4 while the BIOS shows continuous 4 ports. I wanted avoid this
> discrepancy as it could cause confusion to users.
> The other option is adding pp->port_idx to record hw port index. It
> does make the code a bit simpler. What do you think about this?

Jeff - any opinions on Tejun's or my last posts on this, or do you want
to see some code for the idea.

Robin Hugh Johnson
E-Mail : robbat2@xxxxxxxxxx
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