PCI: convert pci_scan_bus() to use pci_create_root_bus()
I plan to deprecate pci_scan_bus_parented(), so use pci_create_root_bus()
directly instead. pci_scan_bus() itself will be removed as soon as all
callers are gone, so this is just an interim step.
v2: export pci_scan_bus
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 7fc7e14..d09644b 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1649,6 +1649,25 @@
}
EXPORT_SYMBOL(pci_scan_bus_parented);
+struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops,
+ void *sysdata)
+{
+ LIST_HEAD(resources);
+ struct pci_bus *b;
+
+ pci_add_resource(&resources, &ioport_resource);
+ pci_add_resource(&resources, &iomem_resource);
+ b = pci_create_root_bus(NULL, bus, ops, sysdata, &resources);
+ if (b) {
+ b->subordinate = pci_scan_child_bus(b);
+ pci_bus_add_devices(b);
+ } else {
+ pci_free_resource_list(&resources);
+ }
+ return b;
+}
+EXPORT_SYMBOL(pci_scan_bus);
+
#ifdef CONFIG_HOTPLUG
/**
* pci_rescan_bus - scan a PCI bus for devices.
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 5102d74..ff280e0 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -661,15 +661,7 @@
void pci_bus_add_devices(const struct pci_bus *bus);
struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus,
struct pci_ops *ops, void *sysdata);
-static inline struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops,
- void *sysdata)
-{
- struct pci_bus *root_bus;
- root_bus = pci_scan_bus_parented(NULL, bus, ops, sysdata);
- if (root_bus)
- pci_bus_add_devices(root_bus);
- return root_bus;
-}
+struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata);
struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
struct pci_ops *ops, void *sysdata,
struct list_head *resources);