/* cs5535 max pio is pio 4, best_pio will check the blacklist.
i think we don't need to rate_filter the incoming xferspeed
since we know we're only going to choose pio */
/* cs5535 max pio is pio 4, best_pio will check the blacklist.
i think we don't need to rate_filter the incoming xferspeed
since we know we're only going to choose pio */