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

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Message-ID: <20060925213938.GE415@curie-int.orbis-terrarum.net>
Date:	Mon, 25 Sep 2006 14:39:38 -0700
From:	"Robin H. Johnson" <robbat2@...too.org>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Tejun Heo <htejun@...il.com>,
	"Robin H. Johnson" <robbat2@...too.org>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.18-rc7-git1: AHCI not seeing devices on ICH8 mobo (DG965RY)

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?
*bump*

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@...too.org
GnuPG FP   : 11AC BA4F 4778 E3F6 E4ED  F38E B27B 944E 3488 4E85

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