From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Jeff Garzik <jeff@garzik.org>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: PATA failure with piix, works with libata
Date: Mon, 6 Mar 2006 13:15:41 +0000 [thread overview]
Message-ID: <20060306131540.GA11265@srcf.ucam.org> (raw)
In-Reply-To: <440B8B39.8090007@garzik.org>
On Sun, Mar 05, 2006 at 08:07:05PM -0500, Jeff Garzik wrote:
> Honestly I'm quite surprised that there is a difference between legacy
> and native mode (more joy :)). ICH seems to want an ack to the bmdma
> status register even on non-DMA commands, since it directly reflects the
> IDE INTRQ line. Perhaps pounding on the Status register will clear that
> condition, thus enabling legacy software to continue successfully
> without worry about this ICH-specific detail. </speculation>
Yeah, that seems to work. Thanks! I'll see if I can clean this up...
--
Matthew Garrett | mjg59@srcf.ucam.org
prev parent reply other threads:[~2006-03-06 13:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-03 18:39 PATA failure with piix, works with libata Matthew Garrett
2006-03-04 14:11 ` Alan Cox
2006-03-06 15:12 ` Matthew Garrett
2006-03-05 22:57 ` Matthew Garrett
2006-03-05 23:40 ` Jeff Garzik
2006-03-06 0:32 ` Matthew Garrett
2006-03-06 0:58 ` Jeff Garzik
2006-03-06 1:03 ` Matthew Garrett
2006-03-06 1:07 ` Jeff Garzik
2006-03-06 13:15 ` Matthew Garrett [this message]
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