Re: libata & no PCI: dma_[un]map_single undefined

[Alan Cox]

> If you don't have DMA capabilities, does libata still need ->pad and
> ->pad_dma set?

It shouldn't - nor the prd. You don't need to use the default
ata_port_start in this case. I've just added ata_sff_port_start to my
tree which figures out which to allocate for SFF devices.

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