diff --git a/drivers/irqchip/irq-st.c b/drivers/irqchip/irq-st.c
index 9af48a85c16fcc557e10387ebcc53d346262483c..5e0e250db0be9ed1d12955c35b963ce8fd16f8b2 100644
--- a/drivers/irqchip/irq-st.c
+++ b/drivers/irqchip/irq-st.c
@@ -180,7 +180,7 @@ static int st_irq_syscfg_probe(struct platform_device *pdev)
 	return st_irq_syscfg_enable(pdev);
 }
 
-static int st_irq_syscfg_resume(struct device *dev)
+static int __maybe_unused st_irq_syscfg_resume(struct device *dev)
 {
 	struct st_irq_syscfg *ddata = dev_get_drvdata(dev);