diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index 13b45f2..968e352 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -1726,7 +1726,7 @@
 	return 0;
 }
 
-static struct irq_domain_ops pcs_irqdomain_ops = {
+static const struct irq_domain_ops pcs_irqdomain_ops = {
 	.map = pcs_irqdomain_map,
 	.xlate = irq_domain_xlate_onecell,
 };