--- arch/mips/pci/ops-pmcmsp.c
+++ arch/mips/pci/ops-pmcmsp.c
@@ -944,6 +944,7 @@ static struct pci_controller msp_pci_con
.pci_ops = &msp_pci_ops,
.mem_resource = &pci_mem_resource,
.mem_offset = 0,
+ .io_map_base = MSP_PCI_IOSPACE_BASE,
.io_resource = &pci_io_resource,
.io_offset = 0
};