linux-imx

​

    if (!(setting->flags & DS_SYNC))

        return setting->set(drive, arg);

​

    rq = blk_get_request(q, REQ_OP_DRV_IN, 0);

    ide_req(rq)->type = ATA_PRIV_MISC;

    scsi_req(rq)->cmd_len = 5;

    scsi_req(rq)->cmd[0] = REQ_DEVSET_EXEC;

    *(int *)&scsi_req(rq)->cmd[1] = arg;

​

    blk_execute_rq(q, NULL, rq, 0);

    ret = scsi_req(rq)->result;

    blk_put_request(rq);

​

    return ret;

}

​

ide_startstop_t ide_do_devset(ide_drive_t *drive, struct request *rq)

{

​

    err = setfunc(drive, *(int *)&scsi_req(rq)->cmd[1]);

    if (err)

        scsi_req(rq)->result = err;

    ide_complete_rq(drive, 0, blk_rq_bytes(rq));

    return ide_stopped;

}