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SubjectRe: ICH Intel PATA short cable override...
On 247, 09 04, 2007 at 01:37:22PM +0100, Daniel J Blueman wrote:
> We see that in ata_piix.c, there is a whitelist for (laptop) Intel ICH
> controllers with short cables, tied to specific vendor subsystem IDs.
> Since my mini-ITX Ibase MI910F has the subsystem IDs specified as
> Intel [1], this is unusable.
>
> I can't find another existing mechanism to add short cable
> information, to allow UDMA/66 for my on-board CF socket.

If this board has useful DMI information, you can add DMI quirk for it.
You can look at pata_via.c or pata_ali.c for example.

> Do you suggest I cook a patch to pass a kernel argument eg 'ich=short'
> or 'pata=short', or can you think of a better mechanism?
>
> Thanks,
> Daniel
>
> --- [1]
>
> # lspci -vs 00:1f.2
> 00:1f.2 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E)
> SATA IDE Controller (rev 03) (prog-if 80 [Master])
> Subsystem: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA
> IDE Controller
>
> # lspci -vns 00:1f.2
> 00:1f.2 0101: 8086:2828 (rev 03) (prog-if 80 [Master])
> Subsystem: 8086:2828
> --
> Daniel J Blueman
> -
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--
Andrey Panin | Linux and UNIX system administrator
pazke@donpac.ru | PGP key: wwwkeys.pgp.net
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