diff --git a/drivers/power/exynos-tmu.c b/drivers/power/exynos-tmu.c
index 9a093a5..b9968c2 100644
--- a/drivers/power/exynos-tmu.c
+++ b/drivers/power/exynos-tmu.c
@@ -180,7 +180,7 @@
  */
 static int get_tmu_fdt_values(struct tmu_info *info, const void *blob)
 {
-#ifdef CONFIG_OF_CONTROL
+#if CONFIG_IS_ENABLED(OF_CONTROL)
 	fdt_addr_t addr;
 	int node;
 	int error = 0;
diff --git a/drivers/power/pmic/pmic_max77686.c b/drivers/power/pmic/pmic_max77686.c
index 1ad810a..93c8d2b 100644
--- a/drivers/power/pmic/pmic_max77686.c
+++ b/drivers/power/pmic/pmic_max77686.c
@@ -256,7 +256,7 @@
 {
 	static const char name[] = "MAX77686_PMIC";
 	struct pmic *p = pmic_alloc();
-#ifdef CONFIG_OF_CONTROL
+#if CONFIG_IS_ENABLED(OF_CONTROL)
 	const void *blob = gd->fdt_blob;
 	int node, parent, tmp;
 #endif
@@ -266,7 +266,7 @@
 		return -ENOMEM;
 	}
 
-#ifdef CONFIG_OF_CONTROL
+#if CONFIG_IS_ENABLED(OF_CONTROL)
 	node = fdtdec_next_compatible(blob, 0, COMPAT_MAXIM_MAX77686_PMIC);
 	if (node < 0) {
 		debug("PMIC: No node for PMIC Chip in device tree\n");