extern unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd);
extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
int post_reset, u16 *id);
+extern int ata_dev_revalidate(struct ata_device *dev, int post_reset);
extern int ata_dev_configure(struct ata_device *dev, int print_info);
extern int sata_down_spd_limit(struct ata_port *ap);
extern int sata_set_spd_needed(struct ata_port *ap);