diff --git a/drivers/irqchip/irq-st.c b/drivers/irqchip/irq-st.c
index de71bb350d57..fef0521831aa 100644
--- a/drivers/irqchip/irq-st.c
+++ b/drivers/irqchip/irq-st.c
@@ -157,7 +157,7 @@ static int st_irq_syscfg_probe(struct platform_device *pdev)
 	return st_irq_syscfg_enable(pdev);
 }
 
-static int __maybe_unused st_irq_syscfg_resume(struct device *dev)
+static int st_irq_syscfg_resume(struct device *dev)
 {
 	struct st_irq_syscfg *ddata = dev_get_drvdata(dev);
 
@@ -165,12 +165,12 @@ static int __maybe_unused st_irq_syscfg_resume(struct device *dev)
 				  ST_A9_IRQ_MASK, ddata->config);
 }
 
-static SIMPLE_DEV_PM_OPS(st_irq_syscfg_pm_ops, NULL, st_irq_syscfg_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(st_irq_syscfg_pm_ops, NULL, st_irq_syscfg_resume);
 
 static struct platform_driver st_irq_syscfg_driver = {
 	.driver = {
 		.name = "st_irq_syscfg",
-		.pm = &st_irq_syscfg_pm_ops,
+		.pm = pm_sleep_ptr(&st_irq_syscfg_pm_ops),
 		.of_match_table = st_irq_syscfg_match,
 	},
 	.probe = st_irq_syscfg_probe,