Commits
Bartlomiej Zolnierkiewicz committed 6982daf71ca
ide: convert 'pio_mode' device setting to use DS_SYNC flag
* Convert 'pio_mode' device setting to use DS_SYNC flag.
* Remove unused special_t.b.{set_tune,serviced} and ide_drive_t.tune_req.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>