These pointers are always setup in ide_acpi_init().
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
 
        port = hwif->channel ? drive->dn - 2: drive->dn;
 
-       if (!drive->acpidata) {
-               if (port == 0) {
-                       drive->acpidata = &hwif->acpidata->master;
-                       hwif->acpidata->master.drive = drive;
-               } else {
-                       drive->acpidata = &hwif->acpidata->slave;
-                       hwif->acpidata->slave.drive = drive;
-               }
-       }
-
        DEBPRINT("ENTER: %s at %s, port#: %d, hard_port#: %d\n",
                 hwif->name, dev->bus_id, port, hwif->channel);