diff --git a/drivers/pci/host/pci-exynos.c b/drivers/pci/host/pci-exynos.c
index 81aa700a8ada7..2c4b27cb4f6c7 100644
--- a/drivers/pci/host/pci-exynos.c
+++ b/drivers/pci/host/pci-exynos.c
@@ -511,7 +511,8 @@ static struct pcie_host_ops exynos_pcie_host_ops = {
 	.host_init = exynos_pcie_host_init,
 };
 
-static int add_pcie_port(struct pcie_port *pp, struct platform_device *pdev)
+static int __init add_pcie_port(struct pcie_port *pp,
+				struct platform_device *pdev)
 {
 	int ret;