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From: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
To: Marcelo Penna Guerra <eu@marcelopenna.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Andre Hedrick <andre@linux-ide.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Merge the changes from siimage 2.4.22-pre9 to 2.6.0-test2
Date: Thu, 31 Jul 2003 19:24:32 +0200 (MET DST)	[thread overview]
Message-ID: <Pine.SOL.4.30.0307311918170.19082-100000@mion.elka.pw.edu.pl> (raw)
In-Reply-To: <200307311632.56813.eu@marcelopenna.org>


On Thu, 31 Jul 2003, Marcelo Penna Guerra wrote:

> > Are you aware of side effect?
> > [ Disabling DMA on ATAPI devices on SiI680. ]
> >
> > Please consult this change with Alan :-).
>
> No, I'm not. Sorry. I'm look for more information. But dma is working with
> my SiI3112A, everything is stable, so maybe it should be enabled by default
> for this chipset.

Real bug is in siimage_config_drive_for_dma():

		if (!(hwif->atapi_dma))
			goto fast_ata_pio;

Remove these two lines and DMA should be auto-enabled.

BTW unfortunately "it works for me" approach doesn't work in IDE ;-).
--
Bartlomiej


  parent reply	other threads:[~2003-07-31 17:26 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-31 17:49 [PATCH] Merge the changes from siimage 2.4.22-pre9 to 2.6.0-test2 Marcelo Penna Guerra
2003-07-31 15:25 ` Bartlomiej Zolnierkiewicz
2003-07-31 19:32   ` Marcelo Penna Guerra
2003-07-31 17:19     ` Alan Cox
2003-07-31 17:24     ` Bartlomiej Zolnierkiewicz [this message]
2003-08-02  8:29   ` Andre Hedrick
2003-07-31 15:58 ` Alan Cox
2003-08-07  9:49 CASINO_E
2003-08-07 12:29 ` Alan Cox
2003-08-07 13:35   ` Bartlomiej Zolnierkiewicz
2003-08-07 15:53     ` Alan Cox

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