From: Alan <alan@lxorguk.ukuu.org.uk>
To: Tejun Heo <htejun@gmail.com>
Cc: Allen Martin <AMartin@nvidia.com>,
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
linux-ide@vger.kernel.org,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Nvidia cable detection problems (was [PATCH] amd74xx: don't configure udma mode higher than BIOS did)
Date: Mon, 5 Feb 2007 19:13:18 +0000 [thread overview]
Message-ID: <20070205191318.39f84ced@localhost.localdomain> (raw)
In-Reply-To: <45C77921.4020808@gmail.com>
> > Well we can certainly do some of that if ACPI is present and active. In
> > particular since _GTM will give us current modes allowing for hotplug and
> > post BIOS boot kexec etc it ought to be safe to do Tejun's hack that way.
> > We could even probe UDMA3+ capable devices by doing _STM to a high mode
> > and _GTM to determine the cable type 8)
>
> Glad to see the problem getting solved. Now that we know the solution,
> any volunteers? :-)
I am currently putting together an experimental pata_acpi driver to play
with this stuff. May take a bit of time while I work out the current acpi
interface gunge and how to expand it.
The fact we have to try each mode to see what we can set doesn't make it
pretty either!
Alan
next prev parent reply other threads:[~2007-02-05 19:00 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-05 7:58 [PATCH] amd74xx: don't configure udma mode higher than BIOS did Tejun Heo
2007-02-05 11:24 ` Alan
2007-02-05 12:16 ` Tejun Heo
2007-02-05 12:33 ` Tejun Heo
2007-02-05 13:24 ` Alan
2007-02-05 14:17 ` Tejun Heo
2007-02-05 13:22 ` Alan
2007-02-05 14:07 ` Tejun Heo
2007-02-05 14:34 ` Nvidia cable detection problems (was [PATCH] amd74xx: don't configure udma mode higher than BIOS did) Alan
2007-02-05 14:50 ` Tejun Heo
2007-02-05 15:49 ` Alan
[not found] ` <58cb370e0702050709w1b7682dr5dff9e7ce69465a@mail.gmail.com>
2007-02-05 17:08 ` Allen Martin
2007-02-05 18:12 ` Alan
2007-02-05 18:36 ` Tejun Heo
2007-02-05 18:55 ` Bartlomiej Zolnierkiewicz
2007-02-05 19:15 ` Tejun Heo
2007-02-05 21:27 ` Bartlomiej Zolnierkiewicz
2007-02-05 22:02 ` Alan
2007-02-05 22:00 ` Bartlomiej Zolnierkiewicz
2007-02-05 19:13 ` Alan [this message]
2007-02-05 21:43 ` Jeff Garzik
2007-02-05 15:32 ` [PATCH] amd74xx: don't configure udma mode higher than BIOS did Sergei Shtylyov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070205191318.39f84ced@localhost.localdomain \
--to=alan@lxorguk.ukuu.org.uk \
--cc=AMartin@nvidia.com \
--cc=bzolnier@gmail.com \
--cc=htejun@gmail.com \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).