Date: Sun, 25 May 2003 12:19:24 +0100
From: john@grabjohn.com
Message-Id: <200305251119.h4PBJOal000678@81-2-122-30.bradfords.org.uk>
To: john@grabjohn.com, rmk@arm.linux.org.uk
Subject: Re: [RFR] a new SCSI driver
Cc: jgarzik@pobox.com, linux-kernel@vger.kernel.org,
       linux-scsi@vger.kernel.org
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1109
Lines: 22

> > Thinking ahead, by the 2.8 timescale, PATA could well be legacy hardware 
> > which could be supported only by an 'old' IDE driver, much like we already
> > have at the moment - I.E. we could remove the current 'old' IDE driver
> > sometime during the 2.7 timescale, and support SATA only via the SCSI layer.

> Rubbish.  PIO mode ATA will be around for some years to come - there
> is just too much invested there (especially in the embedded world) for 
> it to vanish this quickly.  For example, think about compact flash cards,
> many of which are still driven using PIO mode accesses in todays PDAs.

Why couldn't PDAs be served by the 'old' driver then?  Old doesn't mean obsolete.

Also embedded world != PDAs.  I was thinking more of things like PVRs, and blade
servers.  What about solid state video cameras?  Are they going to use PIO mode
ATA?

John.
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