From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Mikael Pettersson <mikpe@it.uu.se>, linux-ide@vger.kernel.org
Subject: Re: 2.6.23-rc1: pata_via cable detection differs from via82cxxx
Date: Sat, 4 Aug 2007 01:12:01 +0200 [thread overview]
Message-ID: <200708040112.01486.bzolnier@gmail.com> (raw)
In-Reply-To: <20070803233217.54c82022@the-village.bc.nu>
On Saturday 04 August 2007, Alan Cox wrote:
> On Fri, 3 Aug 2007 20:28:39 +0200 (MEST)
> Mikael Pettersson <mikpe@it.uu.se> wrote:
>
> > The machine is an Athlon64 laptop with a K8T800 chipset. With the IDE
> > VIA driver the disk is detected as udma/100:
>
> Currently old IDE via driver has a hack in it which goes 'did the BIOS
> set UDMA3+' then I guess the cable is 80 wire regardless. libata doesn't
> do that as it breaks with hotplug, breaks with suspend/resume before the
> driver is loaded and other bits.
>
> Instead we have two things - an ACPI snoop and a table of wonky laptops
> (eg those that use 40 wire ultrashort cables which are valid for UDMA133
> but not detected as 80 wire). If your laptop is done that way then it
> just needs adding to the magic list and/or 2.6.23-rc1-mm should spot it
> by ACPI. I'd prefer the table entry anyway as I don't like relying on ACPI
> so an lspci -vvxx would be appreciated
Please also add it to the laptop table in IDE VIA driver.
Thanks,
Bart
next prev parent reply other threads:[~2007-08-03 23:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-03 18:28 2.6.23-rc1: pata_via cable detection differs from via82cxxx Mikael Pettersson
2007-08-03 22:32 ` Alan Cox
2007-08-03 23:12 ` Bartlomiej Zolnierkiewicz [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-08-04 10:59 Mikael Pettersson
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