Re: [PATCH 1/4] libata: ACPI checks for 80wire cable

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Alan Cox wrote:
We can use the ACPI mode information with several drivers as a hint to
cable type. If the ACPI mode set by the BIOS is faster than UDMA33 then
we know the BIOS thinks there are 80wire cables. If it doesn't set such a
mode or it has no ACPI method then we get no further information and can
rely on existing approaches

Introduce the function headers needed. Null it out for non ACPI boxes

Signed-off-by: Alan Cox <alan@xxxxxxxxxx>

I like this patchset.

This is the direction we need to be following.

	Jeff



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