eeh_pci_enable
int eeh_pci_enable(struct eeh_pe *pe, int function);
ret = eeh_pci_enable(pe, EEH_OPT_THAW_MMIO);
ret = eeh_pci_enable(pe, EEH_OPT_THAW_DMA);
ret = eeh_pci_enable(pe, option);
eeh_pci_enable(pe, EEH_OPT_THAW_MMIO);
rc = eeh_pci_enable(pe, EEH_OPT_THAW_DMA);
rc = eeh_pci_enable(pe, EEH_OPT_THAW_MMIO);