diff options
Diffstat (limited to 'drivers/pci/host-bridge.c')
| -rw-r--r-- | drivers/pci/host-bridge.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c index 39b2dbe585aa..5f4a2e04c8d7 100644 --- a/drivers/pci/host-bridge.c +++ b/drivers/pci/host-bridge.c @@ -16,13 +16,27 @@ static struct pci_bus *find_pci_root_bus(struct pci_bus *bus) return bus; } -static struct pci_host_bridge *find_pci_host_bridge(struct pci_bus *bus) +struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus) { struct pci_bus *root_bus = find_pci_root_bus(bus); return to_pci_host_bridge(root_bus->bridge); } +struct device *pci_get_host_bridge_device(struct pci_dev *dev) +{ + struct pci_bus *root_bus = find_pci_root_bus(dev->bus); + struct device *bridge = root_bus->bridge; + + kobject_get(&bridge->kobj); + return bridge; +} + +void pci_put_host_bridge_device(struct device *dev) +{ + kobject_put(&dev->kobj); +} + void pci_set_host_bridge_release(struct pci_host_bridge *bridge, void (*release_fn)(struct pci_host_bridge *), void *release_data) @@ -34,7 +48,7 @@ void pci_set_host_bridge_release(struct pci_host_bridge *bridge, void pcibios_resource_to_bus(struct pci_bus *bus, struct pci_bus_region *region, struct resource *res) { - struct pci_host_bridge *bridge = find_pci_host_bridge(bus); + struct pci_host_bridge *bridge = pci_find_host_bridge(bus); struct resource_entry *window; resource_size_t offset = 0; @@ -59,7 +73,7 @@ static bool region_contains(struct pci_bus_region *region1, void pcibios_bus_to_resource(struct pci_bus *bus, struct resource *res, struct pci_bus_region *region) { - struct pci_host_bridge *bridge = find_pci_host_bridge(bus); + struct pci_host_bridge *bridge = pci_find_host_bridge(bus); struct resource_entry *window; resource_size_t offset = 0; |