diff options
| author | Yinghai Lu <yinghai@kernel.org> | 2012-04-02 18:31:53 -0700 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2012-04-30 14:52:43 -0600 |
| commit | 4fa2649a01a4357a82dcc60ef8fb7b8c441e64ed (patch) | |
| tree | dfe8dd728396fd3034f20de91bb610422a9bc4e6 | |
| parent | 7b54366358008241f88228f02cc80ab352265eac (diff) | |
PCI: add host bridge release support
We need a hook to release host bridge resources allocated when creating
root bus.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
| -rw-r--r-- | drivers/pci/host-bridge.c | 8 | ||||
| -rw-r--r-- | drivers/pci/probe.c | 3 | ||||
| -rw-r--r-- | include/linux/pci.h | 5 |
3 files changed, 15 insertions, 1 deletions
diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c index 122df80592c3..a68dc613a5be 100644 --- a/drivers/pci/host-bridge.c +++ b/drivers/pci/host-bridge.c @@ -27,6 +27,14 @@ static struct pci_host_bridge *find_pci_host_bridge(struct pci_dev *dev) return to_pci_host_bridge(bus->bridge); } +void pci_set_host_bridge_release(struct pci_host_bridge *bridge, + void (*release_fn)(struct pci_host_bridge *), + void *release_data) +{ + bridge->release_fn = release_fn; + bridge->release_data = release_data; +} + static bool resource_contains(struct resource *res1, struct resource *res2) { return res1->start <= res2->start && res1->end >= res2->end; diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 8d291ee15257..4c2f22668ea7 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1137,7 +1137,8 @@ static void pci_release_bus_bridge_dev(struct device *dev) { struct pci_host_bridge *bridge = to_pci_host_bridge(dev); - /* TODO: need to free window->res */ + if (bridge->release_fn) + bridge->release_fn(bridge); pci_free_resource_list(&bridge->windows); diff --git a/include/linux/pci.h b/include/linux/pci.h index 8f4f29d2b606..17b7b5b01b4a 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -378,9 +378,14 @@ struct pci_host_bridge { struct device dev; struct pci_bus *bus; /* root bus */ struct list_head windows; /* pci_host_bridge_windows */ + void (*release_fn)(struct pci_host_bridge *); + void *release_data; }; #define to_pci_host_bridge(n) container_of(n, struct pci_host_bridge, dev) +void pci_set_host_bridge_release(struct pci_host_bridge *bridge, + void (*release_fn)(struct pci_host_bridge *), + void *release_data); /* * The first PCI_BRIDGE_RESOURCE_NUM PCI bus resources (those that correspond |