libata: Add special ata_pio_need_iordy() handling for Compact Flash.

According to the Compact Flash specification r4.1, PIO modes 5 and 6
do not use iordy.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
David Daney 2008-12-10 15:39:12 -08:00 • committed by Jeff Garzik
commit 5c18c4d28b