diff --git a/drivers/pci/dwc/pcie-designware.c b/drivers/pci/dwc/pcie-designware.c
index 0e03af279259b735ade878bf96be3963270c1b15..ebcdce219acb1c760be457dfcfb4ad4f4baaca0f 100644
--- a/drivers/pci/dwc/pcie-designware.c
+++ b/drivers/pci/dwc/pcie-designware.c
@@ -107,8 +107,9 @@ static void dw_pcie_writel_ob_unroll(struct dw_pcie *pci, u32 index, u32 reg,
 	dw_pcie_writel_dbi(pci, offset + reg, val);
 }
 
-void dw_pcie_prog_outbound_atu_unroll(struct dw_pcie *pci, int index, int type,
-				      u64 cpu_addr, u64 pci_addr, u32 size)
+static void dw_pcie_prog_outbound_atu_unroll(struct dw_pcie *pci, int index,
+					     int type, u64 cpu_addr,
+					     u64 pci_addr, u32 size)
 {
 	u32 retries, val;
 
@@ -200,8 +201,9 @@ static void dw_pcie_writel_ib_unroll(struct dw_pcie *pci, u32 index, u32 reg,
 	dw_pcie_writel_dbi(pci, offset + reg, val);
 }
 
-int dw_pcie_prog_inbound_atu_unroll(struct dw_pcie *pci, int index, int bar,
-				    u64 cpu_addr, enum dw_pcie_as_type as_type)
+static int dw_pcie_prog_inbound_atu_unroll(struct dw_pcie *pci, int index,
+					   int bar, u64 cpu_addr,
+					   enum dw_pcie_as_type as_type)
 {
 	int type;
 	u32 retries, val;