From owner-freebsd-current  Fri Dec 10  3: 1:33 1999
Delivered-To: freebsd-current@freebsd.org
Received: from freebsd.dk (freebsd.dk [212.242.42.178])
	by hub.freebsd.org (Postfix) with ESMTP
	id 8A8F415388; Fri, 10 Dec 1999 03:01:29 -0800 (PST)
	(envelope-from sos@freebsd.dk)
Received: (from sos@localhost)
	by freebsd.dk (8.9.3/8.9.1) id MAA71445;
	Fri, 10 Dec 1999 12:00:18 +0100 (CET)
	(envelope-from sos)
From: Soren Schmidt <sos@freebsd.dk>
Message-Id: <199912101100.MAA71445@freebsd.dk>
Subject: Re: Partial disabling of wd functionality (Was: Re: HEADSUP:  wd driver will  be retired!)
In-Reply-To: <3850D936.FC555200@altavista.net> from Maxim Sobolev at "Dec 10, 1999 12:43:02 pm"
To: sobomax@altavista.net
Date: Fri, 10 Dec 1999 12:00:18 +0100 (CET)
Cc: peter.jeremy@alcatel.com.au (Peter Jeremy), current@FreeBSD.ORG,
	soren@FreeBSD.ORG
X-Mailer: ELM [version 2.4ME+ PL54 (25)]
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit
Sender: owner-freebsd-current@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

It seems Maxim Sobolev wrote:
> Peter Jeremy wrote:
> 
> > On 1999-Dec-09 10:19:22 +1100, Maxim Sobolev <sobomax@altavista.net> wrote:
> > > Why do not remove from wd driver support for chipsets
> > >already implemented/tested in ata driver?
> >
> > This requires additional developer effort - appropriate changes have to
> > be determined and tested.  It's easy to totally remove the old driver,
> > it would be a fair amount of effort to disable the functionality also
> > provided by the new driver, without affecting the other functionality.
> 
> I'm not talking about disabling all functionality for partcular chips. It would
> be sufficient to disable in wd DMA/UDMA support for chipsets already supported
> by ata, which will encourage all users with these chipsets to use ata (while in
> case of any problems they still will be able to fallback to wd though it would
> work somewhat slower).

When I do my next commit to the ata driver suite, only the Cyrix chipset
will be unsupported, and that is AFAIK used in embedded systems, not in
ordinary PC's. I've got the docs on the Cyrix, so support for that might
actually come too...

-Søren


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message