summaryrefslogtreecommitdiff
path: root/drivers/pci/remove.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci/remove.c')
-rw-r--r--drivers/pci/remove.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index 513972f3ed13..7c0fd9252e6f 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -111,3 +111,39 @@ void pci_stop_and_remove_bus_device(struct pci_dev *dev)
pci_remove_bus_device(dev);
}
EXPORT_SYMBOL(pci_stop_and_remove_bus_device);
+
+void pci_stop_root_bus(struct pci_bus *bus)
+{
+ struct pci_dev *child, *tmp;
+ struct pci_host_bridge *host_bridge;
+
+ if (!pci_is_root_bus(bus))
+ return;
+
+ host_bridge = to_pci_host_bridge(bus->bridge);
+ list_for_each_entry_safe_reverse(child, tmp,
+ &bus->devices, bus_list)
+ pci_stop_bus_device(child);
+
+ /* stop the host bridge */
+ device_del(&host_bridge->dev);
+}
+
+void pci_remove_root_bus(struct pci_bus *bus)
+{
+ struct pci_dev *child, *tmp;
+ struct pci_host_bridge *host_bridge;
+
+ if (!pci_is_root_bus(bus))
+ return;
+
+ host_bridge = to_pci_host_bridge(bus->bridge);
+ list_for_each_entry_safe(child, tmp,
+ &bus->devices, bus_list)
+ pci_remove_bus_device(child);
+ pci_remove_bus(bus);
+ host_bridge->bus = NULL;
+
+ /* remove the host bridge */
+ put_device(&host_bridge->dev);
+}