Re: [patch][2/3] ide: add ide_hwif_t->dma_exec_cmd()

From: Jeremy Higdon
Date: Mon Sep 13 2004 - 17:39:30 EST


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 . . . . :-)
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