regulator: 88pm8607: 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>
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index f704d83..fa99bfc 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -322,7 +322,7 @@
 	nproot = of_node_get(pdev->dev.parent->of_node);
 	if (!nproot)
 		return -ENODEV;
-	nproot = of_find_node_by_name(nproot, "regulators");
+	nproot = of_get_child_by_name(nproot, "regulators");
 	if (!nproot) {
 		dev_err(&pdev->dev, "failed to find regulators node\n");
 		return -ENODEV;