*/
        psignal = (char __iomem *)pqhdr + readq(&pqhdr->oSignalBase) +
                (head * readl(&pqhdr->SignalSize));
-       MEMCPY_TOIO(psignal, pSignal, readl(&pqhdr->SignalSize));
+       memcpy_toio(psignal, pSignal, readl(&pqhdr->SignalSize));
 
        VolatileBarrier();
        writel(head, &pqhdr->Head);
        /* copy signal from tail location to the area pointed to by pSignal */
        psource = (char __iomem *) pqhdr + readq(&pqhdr->oSignalBase) +
                (tail * readl(&pqhdr->SignalSize));
-       MEMCPY_FROMIO(pSignal, psource, readl(&pqhdr->SignalSize));
+       memcpy_fromio(pSignal, psource, readl(&pqhdr->SignalSize));
 
        VolatileBarrier();
        writel(tail, &pqhdr->Tail);
                psource =
                    (char *) pqhdr + pqhdr->oSignalBase +
                    (tail * pqhdr->SignalSize);
-               MEMCPY((char *) pSignal + (pqhdr->SignalSize * signalCount),
+               memcpy((char *) pSignal + (pqhdr->SignalSize * signalCount),
                       psource, pqhdr->SignalSize);
 
                VolatileBarrier();
 
                if (clientStr) {                                        \
                        chan->ChannelHeader.oClientString =             \
                                OFFSETOF(type, clientString);           \
-                       MEMCPY(chan->clientString, clientStr,           \
+                       memcpy(chan->clientString, clientStr,           \
                               MINNUM(clientStrLen,                     \
                                      (u32) (MAX_CLIENTSTRING_LEN - 1))); \
                        chan->clientString[MINNUM(clientStrLen,         \
        x->ChannelHeader.Size = COVER(bytes, 4096);
        x->ChannelHeader.Type = UltraVnicChannelProtocolGuid;
        x->ChannelHeader.ZoneGuid = NULL_UUID_LE;
-       MEMCPY(x->vnic.macaddr, macaddr, MAX_MACADDR_LEN);
+       memcpy(x->vnic.macaddr, macaddr, MAX_MACADDR_LEN);
        x->vnic.num_rcv_bufs = num_rcv_bufs;
        x->vnic.mtu = mtu;
        x->vnic.zoneGuid = zoneGuid;
 
 #define OFFSETOF offsetof
 
 #define MEMORYBARRIER mb()
-#define MEMCPY(dest, src, len) memcpy(dest, src, len)
-#define MEMCPY_TOIO(dest, src, len) memcpy_toio(dest, src, len)
-#define MEMCPY_FROMIO(dest, src, len) memcpy_fromio(dest, src, len)
 
 #define CHANNEL_GUID_MISMATCH(chType, chName, field, expected, actual, fil, \
                              lin, logCtx)                              \