/* AP memory window (full window is open and active so that modem checks
         * each AP address) 0 means don't check on modem side.
         */
-       iowrite64_lo_hi(0, ipc_mmio->base + ipc_mmio->offset.ap_win_base);
-       iowrite64_lo_hi(0, ipc_mmio->base + ipc_mmio->offset.ap_win_end);
+       iowrite64(0, ipc_mmio->base + ipc_mmio->offset.ap_win_base);
+       iowrite64(0, ipc_mmio->base + ipc_mmio->offset.ap_win_end);
 
-       iowrite64_lo_hi(ipc_mmio->context_info_addr,
+       iowrite64(ipc_mmio->context_info_addr,
                        ipc_mmio->base + ipc_mmio->offset.context_info);
 }
 
        if (!ipc_mmio)
                return;
 
-       iowrite64_lo_hi(addr, ipc_mmio->base + ipc_mmio->offset.psi_address);
+       iowrite64(addr, ipc_mmio->base + ipc_mmio->offset.psi_address);
        writel(size, ipc_mmio->base + ipc_mmio->offset.psi_size);
 }