From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Higdon <jeremy@sgi.com>
Subject: Re: [patch][2/3] ide: add ide_hwif_t->dma_exec_cmd()
Date: Mon, 13 Sep 2004 14:35:52 -0700
Sender: linux-kernel-owner@vger.kernel.org
Message-ID: <20040913213552.GA95513@sgi.com>
References: <200409130133.55663.bzolnier@elka.pw.edu.pl>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <linux-kernel-owner+glk-linux-kernel=40m.gmane.org-S268991AbUIMVjB@vger.kernel.org>
Content-Disposition: inline
In-Reply-To: <200409130133.55663.bzolnier@elka.pw.edu.pl>
To: Bartlomiej Zolnierkiewicz <bzolnier@elka.pw.edu.pl>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, Mikael Starvik <mikael.starvik@axis.com>, Erik Jacobson <erikj@subway.americas.sgi.com>
List-Id: linux-ide@vger.kernel.org

On Mon, Sep 13, 2004 at 01:33:55AM +0200, Bartlomiej Zolnierkiewicz wrote:
> 
> [patch] ide: add ide_hwif_t->dma_exec_cmd()
> 
> - split off ->dma_exec_cmd() from ->ide_dma_[read,write] functions
> - choose command to execute by ->dma_exec_cmd() in higher layers
>   and remove ->ide_dma_[read,write]
> 
> 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

Sgiioc4 only is used with multimedia devices.  I don't think disks will
work with it, even if you do send commands.

jeremy