static struct ata_port_operations cmd640_port_ops = {
.inherits = &ata_sff_port_ops,
/* In theory xfer_noirq is not needed once we kill the prefetcher */
- .sff_data_xfer = ata_sff_data_xfer_noirq,
+ .sff_data_xfer = ata_sff_data_xfer32,
.sff_irq_check = cmd640_sff_irq_check,
.qc_issue = cmd640_qc_issue,
.cable_detect = ata_cable_40wire,