diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index 373c3c00d24cdbbe054a1aae60625d97188e6208..c0bc83a7663ee5877edfc0ff768b63a1ed1a2e30 100644
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -115,7 +115,7 @@ static __init int exynos_pm_dt_parse_domains(void)
 }
 #endif /* CONFIG_OF */
 
-static __init void exynos_pm_add_dev_to_genpd(struct platform_device *pdev,
+static __init __maybe_unused void exynos_pm_add_dev_to_genpd(struct platform_device *pdev,
 						struct exynos_pm_domain *pd)
 {
 	if (pdev->dev.bus) {