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    SubjectRe: [2.6 patch] select ATA_SFF
    Alan Cox wrote:

    >>Sergei Shtylyov wrote:

    >>>>> Jeff, Tejun, what "sff" in the file name actually means? Isn't it
    >>>>>strange that the drivers lacking DMA support or not really compliant
    >>>>>with SFF-8038i have to link with this file?

    >>>>Maybe it should be libata-tf and libata-bmdma, but sff (sans bmdma)
    >>>>and bmdma is acceptable, hopefully, right?

    >>> What's sff sans bmdma?

    >>Supposed to be TF interface. IIRC, the SFF term was first from Alan
    >>although it's entirely possible that I misunderstood it and used it in
    >>the wrong way. Alan, can you please clear up the confusion?

    > The SFF/Intel spec is for PCI IDE (BMDMA or otherwise), so it covers and
    > defines all the common bits of the IDE interface on PCI (and in defining
    > the legacy interface conveniently documents the extended ST-412 interface
    > used by ATA and "pre-ATA" IDE/EIDE controllers).

    If you mean SFF-8038i (which can indeed be named "SFF/Intel"), it
    documents *only* BMDMA. If you mean something else, please be more precise.

    > Alan

    WBR, Sergei



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