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Re: FYI (part II)

To: linux-mips@fnet.fr
Subject: Re: FYI (part II)
From: Harald Koerfgen <hkoerfg1@ford.com>
Date: Fri, 19 Feb 1999 08:09:51 +0100
Organization: Ford Motor Company
References: <XFMail.990218203239.Harald.Koerfgen@home.ivm.de> <19990219002857.A3642@alpha.franken.de>
Hi,

Thomas Bogendoerfer wrote:
> 
> On Thu, Feb 18, 1999 at 08:32:39PM +0100, Harald Koerfgen wrote:
> > This SCSI driver still has rudimentary DMA support and will certainly fail
> > under the following conditions:
> >
> > o Start address not longword aligned
> > o End address not longword aligned
> > o Number oy bytes to be transferred not a multiple of four
> 
> shouldn't happen. You always get addresses from the page/buffer cache,
> which are longword aligned and either page size or block size large.
> 
> Thomas.

Thanks for the explanation, Thomas. That's what I assumed when seeing
that hard drives seem to work, but what about more character oriented
SCSI devices? Scanners and tapes come to mind.

Greetings,
Harald

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