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PCI: rename pci_host_bridge() to find_pci_root_bridge()

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pci_host_bridge() looks like a C++ constructor.  Also separate
find_pci_root_bus() out.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Yinghai Lu 2012-04-02 18:31:53 -07:00 committed by Bjorn Helgaas
parent baa495d9de
commit 459f58ce51
1 changed files with 13 additions and 5 deletions
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18
drivers/pci/host-bridge.c
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@ -16,15 +16,22 @@ void add_to_pci_host_bridges(struct pci_host_bridge *bridge)
list_add_tail(&bridge->list, &pci_host_bridges);
}
static struct pci_host_bridge *pci_host_bridge(struct pci_dev *dev)
static struct pci_bus *find_pci_root_bus(struct pci_dev *dev)
{
struct pci_bus *bus;
struct pci_host_bridge *bridge;
bus = dev->bus;
while (bus->parent)
bus = bus->parent;
return bus;
}
static struct pci_host_bridge *find_pci_host_bridge(struct pci_dev *dev)
{
struct pci_bus *bus = find_pci_root_bus(dev);
struct pci_host_bridge *bridge;
list_for_each_entry(bridge, &pci_host_bridges, list) {
if (bridge->bus == bus)
return bridge;
@ -41,7 +48,7 @@ static bool resource_contains(struct resource *res1, struct resource *res2)
void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
struct resource *res)
{
struct pci_host_bridge *bridge = pci_host_bridge(dev);
struct pci_host_bridge *bridge = find_pci_host_bridge(dev);
struct pci_host_bridge_window *window;
resource_size_t offset = 0;
@ -69,12 +76,13 @@ static bool region_contains(struct pci_bus_region *region1,
void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
struct pci_bus_region *region)
{
struct pci_host_bridge *bridge = pci_host_bridge(dev);
struct pci_host_bridge *bridge = find_pci_host_bridge(dev);
struct pci_host_bridge_window *window;
struct pci_bus_region bus_region;
resource_size_t offset = 0;
list_for_each_entry(window, &bridge->windows, list) {
struct pci_bus_region bus_region;
if (resource_type(res) != resource_type(window->res))
continue;