pci_epf_free_space
pci_epf_free_space(epf, nvme_epf->reg_bar, BAR_0, PRIMARY_INTERFACE);
pci_epf_free_space(epf, ntb_epc->reg, barno, type);
pci_epf_free_space(epf, epf_test->reg[bar], bar,
pci_epf_free_space(epf, epf_test->reg[bar], bar,
pci_epf_free_space(ntb->epf, ntb->reg, barno, 0);
pci_epf_free_space(ntb->epf, mw_addr, barno, 0);
pci_epf_free_space(ntb->epf, ntb->epf_db, barno, 0);
EXPORT_SYMBOL_GPL(pci_epf_free_space);
void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar,