Linux ATA/IDE development
 help / color / mirror / Atom feed
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Grozdan <neutrino8@gmail.com>
Cc: hancockrwd@gmail.com, linux-kernel@vger.kernel.org,
	linux-ide@vger.kernel.org
Subject: Re: Kernel 2.6.30rc7 limits IDE to UDMA33
Date: Fri, 5 Jun 2009 11:42:45 +0100	[thread overview]
Message-ID: <20090605114245.175499e1@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <c5bd819b0906050335i4e813887sc8f4d901da86a1aa@mail.gmail.com>

> I've relayed your reply to the pata_amd user on the forum. As for my
> case with pata_via, until this is fixed, is there any way to force it
> to use a higher UDMA? Is there a flag that can be passed in, for

In your case given the BIOS appears to be informing us you have a 40wire
cable there isn't much that can be fixed

> example, in /sys somewhere? hdparm fails to set a higher UDMA and I
> looked at sdparm but don't see anything in it to increase UDMA...

Tejun some time ago added stuff to override all of these things:

See Documentation/kernel-parameters.txt

	libata.force=

which will let you override all sorts of autodetection for quirky boards

  reply	other threads:[~2009-06-05 10:41 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <c5bd819b0906021525l13ee9282j1fb270e141985f66@mail.gmail.com>
2009-06-03  4:05 ` Kernel 2.6.30rc7 limits IDE to UDMA33 Robert Hancock
2009-06-03 11:35   ` Grozdan
2009-06-03 12:14     ` Alan Cox
2009-06-03 12:52       ` Grozdan
2009-06-03 13:01         ` Alan Cox
2009-06-03 13:15           ` Grozdan
2009-06-03 13:39           ` Grozdan
2009-06-04 14:50             ` Grozdan
2009-06-05  9:05               ` Alan Cox
2009-06-05 10:35                 ` Grozdan
2009-06-05 10:42                   ` Alan Cox [this message]
2009-06-05 12:43                     ` Grozdan
2009-06-05 13:21                       ` Alan Cox
2009-06-05 14:02                         ` Grozdan
2009-06-06  1:07                     ` Robert Hancock
2009-06-06 14:56                       ` Alan Cox
2009-06-06 18:16                         ` Robert Hancock
2009-06-06 22:08                           ` Alan Cox
2009-06-07  4:39                           ` Grozdan
     [not found]                             ` <4A2BF785.3020402@gmail.com>
2009-06-07 18:24                               ` Grozdan
2009-06-07 18:46                                 ` Michael S. Zick
2009-06-07 19:54                                   ` Alan Cox

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=20090605114245.175499e1@lxorguk.ukuu.org.uk \
    --to=alan@lxorguk.ukuu.org.uk \
    --cc=hancockrwd@gmail.com \
    --cc=linux-ide@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=neutrino8@gmail.com \
    /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