-static ide_startstop_t ide_do_park_unpark(ide_drive_t *drive, struct request *rq)
-{
- ide_task_t task;
- struct ide_taskfile *tf = &task.tf;
-
- memset(&task, 0, sizeof(task));
- if (rq->cmd[0] == REQ_PARK_HEADS) {
- drive->sleep = *(unsigned long *)rq->special;
- drive->dev_flags |= IDE_DFLAG_SLEEPING;
- tf->command = ATA_CMD_IDLEIMMEDIATE;
- tf->feature = 0x44;
- tf->lbal = 0x4c;
- tf->lbam = 0x4e;
- tf->lbah = 0x55;
- task.tf_flags |= IDE_TFLAG_CUSTOM_HANDLER;
- } else /* cmd == REQ_UNPARK_HEADS */
- tf->command = ATA_CMD_CHK_POWER;
-
- task.tf_flags |= IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
- task.rq = rq;
- drive->hwif->data_phase = task.data_phase = TASKFILE_NO_DATA;
- return do_rw_taskfile(drive, &task);
-}
-