struct ata_port *ap = qc->ap;
        struct octeon_cf_port *cf_port;
 
-       cf_port = (struct octeon_cf_port *)ap->private_data;
+       cf_port = ap->private_data;
        DPRINTK("ENTER\n");
        /* issue r/w command */
        qc->cursg = qc->sg;
        if (ap->hsm_task_state != HSM_ST_LAST)
                return 0;
 
-       cf_port = (struct octeon_cf_port *)ap->private_data;
+       cf_port = ap->private_data;
 
        dma_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_DMA_CFGX(ocd->dma_engine));
        if (dma_cfg.s.size != 0xfffff) {
                        continue;
 
                ocd = ap->dev->platform_data;
-               cf_port = (struct octeon_cf_port *)ap->private_data;
+               cf_port = ap->private_data;
                dma_int.u64 =
                        cvmx_read_csr(CVMX_MIO_BOOT_DMA_INTX(ocd->dma_engine));
                dma_cfg.u64 =