diff options
| -rw-r--r-- | drivers/acpi/pci_root.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index bce469c0b48a..27adbfdffb0c 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -644,12 +644,19 @@ static int acpi_pci_root_start(struct acpi_device *device) struct acpi_pci_root *root = acpi_driver_data(device); struct acpi_pci_driver *driver; + if (system_state != SYSTEM_BOOTING) + pci_assign_unassigned_bus_resources(root->bus); + mutex_lock(&acpi_pci_root_lock); list_for_each_entry(driver, &acpi_pci_drivers, node) if (driver->add) driver->add(root); mutex_unlock(&acpi_pci_root_lock); + /* need to after hot-added ioapic is registered */ + if (system_state != SYSTEM_BOOTING) + pci_enable_bridges(root->bus); + pci_bus_add_devices(root->bus); return 0; |