From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [2.6 patch] select ATA_SFF Date: Tue, 22 Apr 2008 23:38:46 +0900 Message-ID: <480DF876.7070800@gmail.com> References: <20080421213147.GH2633@cs181133002.pp.htv.fi> <480DE3C4.5@ru.mvista.com> <480DE6F5.8060403@gmail.com> <480DE9E8.2070809@ru.mvista.com> <480DEB1F.5060500@gmail.com> <480DF7B7.9030000@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <480DF7B7.9030000@rtr.ca> Sender: linux-kernel-owner@vger.kernel.org To: Mark Lord Cc: Sergei Shtylyov , Jeff Garzik , Adrian Bunk , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, Alan Cox List-Id: linux-ide@vger.kernel.org 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.... -- tejun