diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c
index 1d59958ad0cefa8aeafb39848990b0142084d480..1355ff0946b960029b7850329c4523663602d711 100644
--- a/drivers/usb/host/ehci-spear.c
+++ b/drivers/usb/host/ehci-spear.c
@@ -150,7 +150,7 @@ static int spear_ehci_hcd_drv_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static struct of_device_id spear_ehci_id_table[] = {
+static const struct of_device_id spear_ehci_id_table[] = {
 	{ .compatible = "st,spear600-ehci", },
 	{ },
 };