Messages in this thread | | | Date | Tue, 22 Apr 2008 22:24:05 +0900 | From | Tejun Heo <> | Subject | Re: [2.6 patch] select ATA_SFF |
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Hi,
Sergei Shtylyov wrote: > ADMA is not SFF-8038i compilant, it's the IDE DMA spec of its own. > And I'm seeing references to libata-sff.c... confusing.
In libata, SFF is used for controllers which have TF interface and BMDMA is used for the BMDMA part of SFF-8038i. I think this is the source of confusion here.
> Looks like there's no clean separation within libata-sff.c itself > between SFF-8038i (BMDMA spec) and IDE registers itself -- that confused > me: at first I thought there's a big issue with a patch. :-/ > > 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?
Thanks.
-- tejun
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