PCI: Make pci_rescan_bus handle add_list

This allows us to allocate resources to hotplug bridges during
remove/rescan.

We need to move the function to setup-bus.c so it can use
__pci_bus_size_bridges and __pci_bus_assign_resources directly to take
the add_list resource tracking list.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 0 insertions, 32 deletions

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 0e84e8c2a6d..aad7d0ff6b0 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1691,38 +1691,6 @@ unsigned int __ref pci_rescan_bus_bridge_resize(struct pci_dev *bridge)
         return max;
 }
 
-/**
- * pci_rescan_bus - scan a PCI bus for devices.
- * @bus: PCI bus to scan
- *
- * Scan a PCI bus and child buses for new devices, adds them,
- * and enables them.
- *
- * Returns the max number of subordinate bus discovered.
- */
-unsigned int __ref pci_rescan_bus(struct pci_bus *bus)
-{
-        unsigned int max;
-        struct pci_dev *dev;
-
-        max = pci_scan_child_bus(bus);
-
-        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);
-        up_read(&pci_bus_sem);
-
-        pci_bus_assign_resources(bus);
-        pci_enable_bridges(bus);
-        pci_bus_add_devices(bus);
-
-        return max;
-}
-EXPORT_SYMBOL_GPL(pci_rescan_bus);
-
 EXPORT_SYMBOL(pci_add_new_bus);
 EXPORT_SYMBOL(pci_scan_slot);
 EXPORT_SYMBOL(pci_scan_bridge);