diff --git a/drivers/pci/controller/dwc/pcie-intel-gw.c b/drivers/pci/controller/dwc/pcie-intel-gw.c
index fc2a12212dec..2d8dbb318087 100644
--- a/drivers/pci/controller/dwc/pcie-intel-gw.c
+++ b/drivers/pci/controller/dwc/pcie-intel-gw.c
@@ -453,7 +453,7 @@ static int intel_pcie_msi_init(struct pcie_port *pp)
 	return 0;
 }
 
-u64 intel_pcie_cpu_addr(struct dw_pcie *pcie, u64 cpu_addr)
+static u64 intel_pcie_cpu_addr(struct dw_pcie *pcie, u64 cpu_addr)
 {
 	return cpu_addr + BUS_IATU_OFFSET;
 }