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Subject: Re: libata-pata works on ICH4-M
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>,
       linux-ide@vger.kernel.org,
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Date: Wed, 12 Apr 2006 10:09:50 +0100
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On Maw, 2006-04-11 at 20:46 +0200, Jan Engelhardt wrote:
> So libata has the overhead of using SCSI commands? At least 
> that's what it suggests to the normal user.

libata issues standard ATA commands to disks and CF cards, and ATAPI to
other devices. The current tree knows how to use LBA28 commands
opportunistically so its generating basically the same command stream as
the old IDE layer