diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index c37afa1fe6..d02d8d33fe 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -776,18 +776,26 @@ int ofnode_read_pci_vendev(ofnode node, u16 *vendor, u16 *device)
 
 int ofnode_read_addr_cells(ofnode node)
 {
-	if (ofnode_is_np(node))
+	if (ofnode_is_np(node)) {
 		return of_n_addr_cells(ofnode_to_np(node));
-	else  /* NOTE: this call should walk up the parent stack */
-		return fdt_address_cells(gd->fdt_blob, ofnode_to_offset(node));
+	} else {
+		int parent = fdt_parent_offset(gd->fdt_blob,
+					       ofnode_to_offset(node));
+
+		return fdt_address_cells(gd->fdt_blob, parent);
+	}
 }
 
 int ofnode_read_size_cells(ofnode node)
 {
-	if (ofnode_is_np(node))
+	if (ofnode_is_np(node)) {
 		return of_n_size_cells(ofnode_to_np(node));
-	else  /* NOTE: this call should walk up the parent stack */
-		return fdt_size_cells(gd->fdt_blob, ofnode_to_offset(node));
+	} else {
+		int parent = fdt_parent_offset(gd->fdt_blob,
+					       ofnode_to_offset(node));
+
+		return fdt_size_cells(gd->fdt_blob, parent);
+	}
 }
 
 int ofnode_read_simple_addr_cells(ofnode node)
diff --git a/include/dm/read.h b/include/dm/read.h
index 487ec9e9c9..cac7dd5f18 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -878,14 +878,16 @@ static inline int dev_count_phandle_with_args(const struct udevice *dev,
 
 static inline int dev_read_addr_cells(const struct udevice *dev)
 {
-	/* NOTE: this call should walk up the parent stack */
-	return fdt_address_cells(gd->fdt_blob, dev_of_offset(dev));
+	int parent = fdt_parent_offset(gd->fdt_blob, dev_of_offset(dev));
+
+	return fdt_address_cells(gd->fdt_blob, parent);
 }
 
 static inline int dev_read_size_cells(const struct udevice *dev)
 {
-	/* NOTE: this call should walk up the parent stack */
-	return fdt_size_cells(gd->fdt_blob, dev_of_offset(dev));
+	int parent = fdt_parent_offset(gd->fdt_blob, dev_of_offset(dev));
+
+	return fdt_size_cells(gd->fdt_blob, parent);
 }
 
 static inline int dev_read_simple_addr_cells(const struct udevice *dev)