===================================================================
@@ -92,3 +92,30 @@ void pci_stop_and_remove_bus_device(stru
pci_destroy_dev(dev);
}
EXPORT_SYMBOL(pci_stop_and_remove_bus_device);
+
+void pci_stop_bus_devices(struct pci_bus *bus)
+{
+ struct pci_dev *dev, *tmp;
+
+ list_for_each_entry_safe_reverse(dev, tmp, &bus->devices, bus_list) {
+ if (dev->subordinate)
+ pci_stop_bus_devices(dev->subordinate);
+ pci_stop_dev(dev);
+ }
+
+}
+EXPORT_SYMBOL(pci_stop_bus_devices);
+
+void pci_remove_host_bridge(struct pci_host_bridge *bridge)
+{
+ struct pci_bus *root = bridge->bus;
+ struct pci_dev *dev, *tmp;
+
+ list_for_each_entry_safe_reverse(dev, tmp, &root->devices, bus_list)
+ pci_stop_and_remove_bus_device(dev);
+
+ pci_remove_bus(root);
+
+ device_unregister(&bridge->dev);
+}
+EXPORT_SYMBOL(pci_remove_host_bridge);
===================================================================
@@ -655,8 +655,10 @@ static int acpi_pci_root_remove(struct a
{
struct acpi_pci_root *root = acpi_driver_data(device);
struct acpi_pci_driver *driver;
+ struct pci_host_bridge *bridge = to_pci_host_bridge(root->bus->bridge);
mutex_lock(&acpi_pci_root_lock);
+ pci_stop_bus_devices(root->bus);
list_for_each_entry(driver, &acpi_pci_drivers, node)
if (driver->remove)
driver->remove(root->device->handle);
@@ -664,6 +666,11 @@ static int acpi_pci_root_remove(struct a
device_set_run_wake(root->bus->bridge, false);
pci_acpi_remove_bus_pm_notifier(device);
+ acpi_pci_irq_del_prt(root->bus);
+ acpi_pci_unbind_root(device);
+
+ pci_remove_host_bridge(bridge);
+
list_del_rcu(&root->node);
mutex_unlock(&acpi_pci_root_lock);
synchronize_rcu();
===================================================================
@@ -734,6 +734,8 @@ extern struct pci_dev *pci_dev_get(struc
extern void pci_dev_put(struct pci_dev *dev);
extern void pci_remove_bus(struct pci_bus *b);
extern void pci_stop_and_remove_bus_device(struct pci_dev *dev);
+extern void pci_stop_bus_devices(struct pci_bus *bus);
+extern void pci_remove_host_bridge(struct pci_host_bridge *bridge);
void pci_setup_cardbus(struct pci_bus *bus);
extern void pci_sort_breadthfirst(void);
#define dev_is_pci(d) ((d)->bus == &pci_bus_type)
===================================================================
@@ -118,3 +118,10 @@ int acpi_pci_bind_root(struct acpi_devic
return 0;
}
+
+void acpi_pci_unbind_root(struct acpi_device *device)
+{
+ device->ops.bind = NULL;
+ device->ops.unbind = NULL;
+}
+
===================================================================
@@ -101,6 +101,7 @@ struct pci_bus;
struct pci_dev *acpi_get_pci_dev(acpi_handle);
int acpi_pci_bind_root(struct acpi_device *device);
+void acpi_pci_unbind_root(struct acpi_device *device);
/* Arch-defined function to add a bus to the system */
Currently there's no PCI-related clean-up code in acpi_pci_root_remove() function. This patch introduces function for hostbridge removal, and brings back pci_stop_bus_devices() function. Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> --- drivers/acpi/pci_bind.c | 7 +++++++ drivers/acpi/pci_root.c | 7 +++++++ drivers/pci/remove.c | 27 +++++++++++++++++++++++++++ include/acpi/acpi_drivers.h | 1 + include/linux/pci.h | 2 ++ 5 files changed, 44 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html