/* clear for security and sanity on each use */
        memset(pd->port_rcvhdrq, 0, pd->port_rcvhdrq_size);
-       memset((void *)pd->port_rcvhdrtail_kvaddr, 0, PAGE_SIZE);
+       memset(pd->port_rcvhdrtail_kvaddr, 0, PAGE_SIZE);
 
        /*
         * tell chip each time we init it, even if we are re-using previous
                pd->port_rcvhdrq = NULL;
                if (pd->port_rcvhdrtail_kvaddr) {
                        dma_free_coherent(&dd->pcidev->dev, PAGE_SIZE,
-                                        (void *)pd->port_rcvhdrtail_kvaddr,
+                                        pd->port_rcvhdrtail_kvaddr,
                                         pd->port_rcvhdrqtailaddr_phys);
                        pd->port_rcvhdrtail_kvaddr = NULL;
                }
 
        if (dd->ipath_pioavailregs_dma) {
                dma_free_coherent(&dd->pcidev->dev, PAGE_SIZE,
-                                 (void *) dd->ipath_pioavailregs_dma,
+                                 dd->ipath_pioavailregs_dma,
                                  dd->ipath_pioavailregs_phys);
                dd->ipath_pioavailregs_dma = NULL;
        }