Re: [PATCH] libata_acpi: A different strategy for using ACPIinformation

[Alan Cox]

> Looks fairly reasonable to me. However, I suspect any use of _GTM is 
> somewhat dangerous (at least after the resume) unless we use the _STM 
> and _GTF methods in the proper sequence when resuming. (Is that in the 
> -mm tree now?)

Yes - and we only use it in these drivers to check for cable evidence not
for anything more serious.

> speed we give it is valid, since there is no sane way for the function 
> to indicate failure. (Thus the problem with the "cram in all possible 
> values to see what it supports" strategy for determining mode limits..)

The spec I have says it'll hand back the mode it actually uses which is
effectively a solution for 'failure'
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