From dcaa73dc3411c4d771d1d6a950c6b8a9c71da089 Mon Sep 17 00:00:00 2001
From: Yijing Wang <wangyijing@huawei.com>
Date: Mon, 9 Sep 2013 21:13:05 +0800
Subject: [PATCH] IB/qib: Use pci_is_root_bus() to check whether it is a root
 bus

Use pci_is_root_bus() instead of "if (bus->parent)" statement
for better readability.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
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Reading git-format-patch failed