PCI_TONGA_CTRL
pci_error = pci_write_config_byte(eni_dev->pci_dev,PCI_TONGA_CTRL,tonga); \
pci_error = pci_read_config_byte(eni_dev->pci_dev,PCI_TONGA_CTRL,&tonga); \
if ((error = pci_write_config_byte(eni_dev->pci_dev,PCI_TONGA_CTRL,