tf->lbal = 0x4c;
                tf->lbam = 0x4e;
                tf->lbah = 0x55;
-               cmd.tf_flags |= IDE_TFLAG_CUSTOM_HANDLER;
+               cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
        } else          /* cmd == REQ_UNPARK_HEADS */
                tf->command = ATA_CMD_CHK_POWER;
 
-       cmd.tf_flags |= IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
+       cmd.tf_flags |= IDE_TFLAG_CUSTOM_HANDLER;
        cmd.protocol = ATA_PROT_NODATA;
 
        cmd.rq = rq;
 
        if (custom && tf->command == ATA_CMD_SET_MULTI)
                drive->mult_count = drive->mult_req;
 
-       if (custom == 0 || tf->command == ATA_CMD_IDLEIMMEDIATE) {
+       if (custom == 0 || tf->command == ATA_CMD_IDLEIMMEDIATE ||
+           tf->command == ATA_CMD_CHK_POWER) {
                struct request *rq = hwif->rq;
-               u8 err = ide_read_error(drive);
 
                if (blk_pm_request(rq))
                        ide_complete_pm_rq(drive, rq);
                else {
-                       if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE ||
-                           tf->command == ATA_CMD_IDLEIMMEDIATE)
-                               ide_complete_cmd(drive, cmd, stat, err);
+                       u8 err = ide_read_error(drive);
+
+                       ide_complete_cmd(drive, cmd, stat, err);
                        ide_complete_rq(drive, err);
                }
        }