/* Attempts to set drive's PIO mode. Special cases are 8: prefetch off, 9: prefetch on (both never worked)  */
static void cmd64x_set_pio_mode(ide_drive_t *drive, const u8 pio)
/* Attempts to set drive's PIO mode. Special cases are 8: prefetch off, 9: prefetch on (both never worked)  */
static void cmd64x_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
	if (pio == 8 || pio == 9)
		return;
	cmd64x_tune_pio(drive, pio);
}