From: Yijing Wang <wangyijing@huawei.com>Date: Fri, 25 Apr 2014 17:18:29 +0800> Now we can use new pci_is_bridge() helper function> to simplify code.> > Signed-off-by: Yijing Wang <wangyijing@huawei.com>Acked-by: David S. Miller <davem@davemloft.net>