From owner-freebsd-current  Thu Dec 23  4: 7:19 1999
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Date: Thu, 23 Dec 1999 12:18:23 +0000 (GMT)
From: Doug Rabson <dfr@nlsystems.com>
To: Soren Schmidt <sos@freebsd.dk>
Cc: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>,
	Bill Paul <wpaul@skynet.ctr.columbia.edu>, current@freebsd.org
Subject: Re: General ata grousing
In-Reply-To: <199912222137.WAA80908@freebsd.dk>
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On Wed, 22 Dec 1999, Soren Schmidt wrote:

> It seems Garrett Wollman wrote:
> > <<On Wed, 22 Dec 1999 21:59:30 +0100 (CET), Soren Schmidt <sos@freebsd.dk> said:
> > 
> > > If you looked at the code, you would see that the ata driver only uses
> > > this ugly method when we are dealing with the standard primary & 
> > > secondary controller which are bound to specific addresses and interrupts.
> > > Those are not configurable.
> > 
> > That's why the resource manager allows you to specify a specific range
> > of resources.  If you want to be sure of getting IRQ 11, specify start
> > == end == 11 and length == 1.
> 
> Right, but I think there where problems with that back when dfr did this
> code. At any rate this is currently being rewritten (again by dfr) to
> handle this better and to make ata register devices as children etc etc.

I think the original reason I didn't touch that part of the code was a
combination of the fact that I needed two interrupts (primary and
secondary controllers) and the desire to leave as much as possible of the
code undisturbed.

--
Doug Rabson				Mail:  dfr@nlsystems.com
Nonlinear Systems Ltd.			Phone: +44 181 442 9037




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