pci_write_config_dword(sonic->pci, 0x40, sonic->dmaa_port);
pci_write_config_dword(sonic->pci, 0x48, sonic->dmac_port);
if (sonic->irq >= 0)
pci_write_config_dword(sonic->pci, 0x40, sonic->dmaa_port);
pci_write_config_dword(sonic->pci, 0x48, sonic->dmac_port);
if (sonic->irq >= 0)