Subject: Re: [RFR] a new SCSI driver
From: Arjan van de Ven <arjanv@redhat.com>
Reply-To: arjanv@redhat.com
To: john@grabjohn.com
Cc: rmk@arm.linux.org.uk, jgarzik@pobox.com, linux-kernel@vger.kernel.org,
       linux-scsi@vger.kernel.org
In-Reply-To: <200305251119.h4PBJOal000678@81-2-122-30.bradfords.org.uk>
References: <200305251119.h4PBJOal000678@81-2-122-30.bradfords.org.uk>
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Organization: Red Hat, Inc.
Message-Id: <1053859525.1571.0.camel@laptop.fenrus.com>
Mime-Version: 1.0
Date: 25 May 2003 12:45:25 +0200
Sender: linux-kernel-owner@vger.kernel.org
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On Sun, 2003-05-25 at 13:19, john@grabjohn.com wrote:
> > > Thinking ahead, by the 2.8 timescale, PATA could well be legacy hardw=
are=20
> > > which could be supported only by an 'old' IDE driver, much like we al=
ready
> > > have at the moment - I.E. we could remove the current 'old' IDE drive=
r
> > > sometime during the 2.7 timescale, and support SATA only via the SCSI=
 layer.
>=20
> > 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=20
> > it to vanish this quickly.  For example, think about compact flash card=
s,
> > many of which are still driven using PIO mode accesses in todays PDAs.
>=20
> Why couldn't PDAs be served by the 'old' driver then?  Old doesn't mean o=
bsolete.
>=20
> Also embedded world !=3D PDAs.  I was thinking more of things like PVRs, =
and blade
> servers.  What about solid state video cameras?  Are they going to use PI=
O mode
> ATA?
on common misunderstanding ; PATA !=3D PIO mode ATA but Parallel ATA, as
opposed to Serial ATA

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