libata: Add 32bit PIO support
authorAlan Cox <alan@redhat.com>
Mon, 5 Jan 2009 14:16:39 +0000 (14:16 +0000)
committerJeff Garzik <jgarzik@redhat.com>
Thu, 8 Jan 2009 21:34:27 +0000 (16:34 -0500)
commit871af1210f13966ab911ed2166e4ab2ce775b99d
treef17f0016f6e966d54a379a3de6e6bbde3b9359fe
parente427fe042cf90c0652eed9a85e57a8fd8af89890
libata: Add 32bit PIO support

This matters for some controllers and in one or two cases almost doubles
PIO performance. Add a bmdma32 operations set we can inherit and activate
it for some controllers

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
drivers/ata/ata_piix.c
drivers/ata/libata-sff.c
drivers/ata/pata_ali.c
drivers/ata/pata_amd.c
drivers/ata/pata_mpiix.c
drivers/ata/pata_sil680.c
include/linux/libata.h