of_changeset_add_prop_string
ret = of_changeset_add_prop_string(ocs, np, "compatible", compat);
EXPORT_SYMBOL_GPL(of_changeset_add_prop_string);
ret = of_changeset_add_prop_string(&chgset, np, "prop-string", "abcde");
unittest(!of_changeset_add_prop_string(&chgset, n22, "prop-str", "abcd"),
ret = of_changeset_add_prop_string(ocs, np, "device_type",
ret = of_changeset_add_prop_string(ocs, np, "device_type", "pci");
int of_changeset_add_prop_string(struct of_changeset *ocs,