slot->skb = skb;
        slot->dma_addr = dma_addr;
 
-       if (slot->dma_addr & 0xC0000000)
-               bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
-
        return 0;
 }
 
                                  ring->mmio_base);
                        goto err_dma_free;
                }
-               if (ring->dma_base & 0xC0000000)
-                       bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
 
                ring->unaligned = bgmac_dma_unaligned(bgmac, ring,
                                                      BGMAC_DMA_RING_TX);
                        err = -ENOMEM;
                        goto err_dma_free;
                }
-               if (ring->dma_base & 0xC0000000)
-                       bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
 
                ring->unaligned = bgmac_dma_unaligned(bgmac, ring,
                                                      BGMAC_DMA_RING_RX);