libata: Support chips with 64K PRD quirk
authorAlan Cox <alan@lxorguk.ukuu.org.uk>
Fri, 6 Jul 2007 23:13:52 +0000 (19:13 -0400)
committerJeff Garzik <jeff@garzik.org>
Mon, 9 Jul 2007 16:17:35 +0000 (12:17 -0400)
Add ata_dumb_qc_prep and supporting logic so that a driver can just
specify it needs to be helped in this area. 64K entries are split
as with drivers/ide.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

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