extern char *ide_xfer_verbose(u8 xfer_rate);
extern void ide_toggle_bounce(ide_drive_t *drive, int on);
extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate);
-int ide_use_fast_pio(ide_drive_t *);
static inline int ide_dev_has_iordy(struct hd_driveid *id)
{