From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Higdon Subject: Re: [patch][2/3] ide: add ide_hwif_t->dma_exec_cmd() Date: Mon, 13 Sep 2004 15:31:37 -0700 Sender: linux-ide-owner@vger.kernel.org Message-ID: <20040913223137.GB95391@sgi.com> References: <200409130133.55663.bzolnier@elka.pw.edu.pl> <20040913213552.GA95513@sgi.com> <200409140011.22047.bzolnier@elka.pw.edu.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from omx3-ext.sgi.com ([192.48.171.20]:2462 "EHLO omx3.sgi.com") by vger.kernel.org with ESMTP id S269024AbUIMWb5 (ORCPT ); Mon, 13 Sep 2004 18:31:57 -0400 Content-Disposition: inline In-Reply-To: <200409140011.22047.bzolnier@elka.pw.edu.pl> List-Id: linux-ide@vger.kernel.org To: Bartlomiej Zolnierkiewicz Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, Mikael Starvik , Erik Jacobson On Tue, Sep 14, 2004 at 12:11:21AM +0200, Bartlomiej Zolnierkiewicz wrote: > On Monday 13 September 2004 23:35, Jeremy Higdon wrote: > > > Some real bugs are also fixed: > > > - in Etrax ide.c driver REQ_DRIVE_TASKFILE requests weren't > > > handled properly for drive->addressing == 0 > > > - in trm290.c read and write commands were interchanged > > > - in sgiioc4.c commands weren't sent to disk devices > > DMA commands, PIO ones were sent out > > > Sgiioc4 only is used with multimedia devices. I don't think disks will > > work with it, even if you do send commands. > > It is hard to believe but if this is true it should be documented somewhere. > > Anyway my changes don't make it worse. :-) Okay. I just wanted to be sure you knew. It would be a challenge just to connect a disk to it, so it probably doesn't matter too much. Even if you did and it worked, Multimode 2 DMA speeds would not be too exciting . . . . :-)