Re: 2.6.23-rc1: pata_via cable detection differs from via82cxxx

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On Saturday 04 August 2007, Alan Cox wrote:
> On Fri, 3 Aug 2007 20:28:39 +0200 (MEST)
> Mikael Pettersson <mikpe@xxxxxxxx> 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
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