Messages in this thread | | | Date | Thu, 24 Apr 2008 16:45:30 +0400 | From | Sergei Shtylyov <> | Subject | Re: [2.6 patch] select ATA_SFF |
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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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