err =pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));if(err) { dev_warn(&pdev->dev,"Warning: couldn't set 64-bit consistent PCI DMA mask.\n"); err =pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));if(err) { dev_err(&pdev->dev,"Can't set consistent PCI DMA m...