Messages in this thread | | | Date | Tue, 22 Apr 2008 10:44:13 -0400 | From | Mark Lord <> | Subject | Re: [2.6 patch] select ATA_SFF |
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Tejun Heo wrote: > Mark Lord wrote: >> Tejun Heo 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? >> .. >> >> SFF stands for "Small Form Factor", as in the "SFF Committee Information >> Specification for Bus Master Programming Interface for IDE ATA >> Controllers Rev 1.0" >> from May 16, 1994. >> >> That document is basically a committee rubber-stamp of the earlier Intel >> "PCI IDE Controller Specification Revision 1.0" dated 3/4/94. > > Ah.. that means we have the whole naming thing wrong. Yewwww.... ..
I suppose. If we were needlessly pedantic, then perhaps the libata-bmdma.c should be renamed to libata-sff.c, and the libata-sff.c should be renamed libata-tf.c
But there's probably been a document or two since then, where the SFF folks have documented the TF interfaces, too.
So.. whatever. :)
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