From: Vojtech Pavlik <vojtech@suse.cz>
To: torvalds@transmeta.com
Cc: andre@linux-ide.org, linux-kernel@vger.kernel.org
Subject: [patch] Update of the VIA driver to version 3.20
Date: Tue, 30 Jan 2001 10:48:26 +0100 [thread overview]
Message-ID: <20010130104826.A1650@suse.cz> (raw)
Hi!
The current VIA driver in 2.4.0 is version 2.1e. I wouldn't push a new
version, but VIA has released the vt82c686b chip and it's causing a lot
of trouble.
The 2.1e version can't recognize it from the vt82c686a, the only
difference being the revision of the ISA bridge. This causes quite a lot
of trouble, because the 686b chip has some significant changes in its
UDMA programming, because it can do UDMA100.
The 3.20 driver I'm sending a diff for is well tested and working
nicely, also enabling the use of UDMA100 on the vt82c686b.
On some vt82c586b's it fixes crashes and reboots, because it disables a
certain dangerous feature (hold PREQ# till DDACK# unasserted), which
BIOSes sometimes leave enabled.
It also handles 8-bit (command) timing of the ATA bus better.
I know it's a big change, but please put this patch either in 2.4.1 or
in 2.4.2 - it'll help a lot of people and I'll be getting much less
mails about non-working 686b's.
It's against 2.4.1-pre12, but should patch cleanly against pre11 or
anything later.
Thanks.
--
Vojtech Pavlik
SuSE Labs
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next reply other threads:[~2001-01-30 9:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-30 9:48 Vojtech Pavlik [this message]
2001-01-30 9:49 ` [patch] Update of the VIA driver to version 3.20 Vojtech Pavlik
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