if (test_bit(PC_DMA_ERROR, &pc->flags)) {
                pc->actually_transferred = pc->request_transfer -
                        tape->tape_block_size *
-                       ntohl(get_unaligned((u32 *)&sense[3]));
+                       be32_to_cpu(get_unaligned((u32 *)&sense[3]));
                idetape_update_buffers(pc);
        }
 
 {
        idetape_init_pc(pc);
        pc->c[0] = READ_6;
-       put_unaligned(htonl(length), (unsigned int *) &pc->c[1]);
+       put_unaligned(cpu_to_be32(length), (unsigned int *) &pc->c[1]);
        pc->c[1] = 1;
        pc->callback = &idetape_rw_callback;
        pc->bh = bh;
 {
        idetape_init_pc(pc);
        pc->c[0] = WRITE_6;
-       put_unaligned(htonl(length), (unsigned int *) &pc->c[1]);
+       put_unaligned(cpu_to_be32(length), (unsigned int *) &pc->c[1]);
        pc->c[1] = 1;
        pc->callback = &idetape_rw_callback;
        set_bit(PC_WRITING, &pc->flags);
        idetape_init_pc(pc);
        pc->c[0] = POSITION_TO_ELEMENT;
        pc->c[1] = 2;
-       put_unaligned(htonl(block), (unsigned int *) &pc->c[3]);
+       put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[3]);
        pc->c[8] = partition;
        set_bit(PC_WAIT_FOR_DSC, &pc->flags);
        pc->callback = &idetape_pc_callback;
 {
        idetape_init_pc(pc);
        pc->c[0] = SPACE;
-       put_unaligned(htonl(count), (unsigned int *) &pc->c[1]);
+       put_unaligned(cpu_to_be32(count), (unsigned int *) &pc->c[1]);
        pc->c[1] = cmd;
        set_bit(PC_WAIT_FOR_DSC, &pc->flags);
        pc->callback = &idetape_pc_callback;