linux-kernel - [PATCH 17/40] PCI: Use __pci_bus_size_bridges() directly in pci_assign_unassigned_bus

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Date:	Wed, 19 Sep 2012 11:54:31 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>, Len Brown <lenb@...nel.org>,
	Taku Izumi <izumi.taku@...fujitsu.com>,
	Jiang Liu <jiang.liu@...wei.com>, x86 <x86@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH 17/40] PCI: Use __pci_bus_size_bridges() directly in pci_assign_unassigned_bus_resources()

Now __pci_bus_size_bridges() will not include self bridge.
So we don't need to have our own version in
 pci_assign_unassigned_bus_resources anymore.

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
---
 drivers/pci/setup-bus.c |    8 +-------
 1 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 85f7ec73..56155c9 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1558,17 +1558,11 @@ EXPORT_SYMBOL_GPL(pci_assign_unassigned_bridge_resources);
 
 void pci_assign_unassigned_bus_resources(struct pci_bus *bus)
 {
-	struct pci_dev *dev;
 	LIST_HEAD(add_list); /* list of resources that
 					want additional resources */
 
 	down_read(&pci_bus_sem);
-	list_for_each_entry(dev, &bus->devices, bus_list)
-		if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE ||
-		    dev->hdr_type == PCI_HEADER_TYPE_CARDBUS)
-			if (dev->subordinate)
-				__pci_bus_size_bridges(dev->subordinate,
-						 &add_list, true);
+	__pci_bus_size_bridges(bus, &add_list, false);
 	up_read(&pci_bus_sem);
 	__pci_bus_assign_resources(bus, &add_list, NULL);
 	BUG_ON(!list_empty(&add_list));
-- 
1.7.7

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