diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index 85348590848bdf16f2d8745179d90f582dd2c2c4..6f879685fedd5dbec5aa5451bace961ec80fbeec 100644
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c
@@ -429,7 +429,7 @@ static int rcar_pci_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static struct of_device_id rcar_pci_of_match[] = {
+static const struct of_device_id rcar_pci_of_match[] = {
 	{ .compatible = "renesas,pci-r8a7790", },
 	{ .compatible = "renesas,pci-r8a7791", },
 	{ .compatible = "renesas,pci-r8a7794", },