extern int libata_fua;
extern int libata_noacpi;
extern int libata_allow_tpm;
+extern struct device_type ata_port_type;
extern struct ata_link *ata_dev_phys_link(struct ata_device *dev);
extern void ata_force_cbl(struct ata_port *ap);
extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);