Simplify the return expression. Link: https://lore.kernel.org/r/20200921131053.92752-1-miaoqinglang@huawei.com Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Rob Herring <robh@kernel.org>