regulator: max8660: Use of_get_child_by_name

of_find_node_by_name walks the allnodes list, and can thus walk
outside of the parent node. Use of_get_child_by_name instead.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

drivers/regulator/max8660.c

@@ -330,7 +330,7 @@ static int max8660_pdata_from_dt(struct device *dev,
 	struct max8660_subdev_data *sub;
 	struct of_regulator_match rmatch[ARRAY_SIZE(max8660_reg)];
 
-	np = of_find_node_by_name(dev->of_node, "regulators");
+	np = of_get_child_by_name(dev->of_node, "regulators");
 	if (!np) {
 		dev_err(dev, "missing 'regulators' subnode in DT\n");
 		return -EINVAL;