Re: [PATCH 0/2]ACPI support for SATA/PATA

[Mark Lord <liml@rtr.ca>]

zhao, forrest wrote:
> Hello, all
> 
> In ACPI spec 3.0, section 9.9 defines 4 objects for PATA/SATA:
> 
> _GTF is for both PATA and SATA, which is used to return ATA task file
> needed to re-init the drive;
> _SDD is SATA-only object, which is used to inform the platform of the
> type of device attached to a port;
> _GTM and _STM are PATA-only objects, which are used to get/set PATA
> timing information(i.e. PIO and DMA speed).

It seems to be quite common for ICH*M notebooks to use the SATA ports
to attach PATA drives with PATA->SATA bridge chips in the middle.

In this case, one would expect the _GTM and _STM objects to be necessary,
even though Linux thinks it's a SATA situation.

Do the patches take this into account?

Cheers