diff options
Diffstat (limited to 'drivers/acpi/pci_root.c')
| -rw-r--r-- | drivers/acpi/pci_root.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 0703bff5e60..5b01bd6d5ea 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -65,6 +65,9 @@ static struct acpi_scan_handler pci_root_handler = { .ids = root_device_ids, .attach = acpi_pci_root_add, .detach = acpi_pci_root_remove, + .hotplug = { + .ignore = true, + }, }; static DEFINE_MUTEX(osc_lock); @@ -596,7 +599,9 @@ static int acpi_pci_root_add(struct acpi_device *device, pci_assign_unassigned_root_bus_resources(root->bus); } + pci_lock_rescan_remove(); pci_bus_add_devices(root->bus); + pci_unlock_rescan_remove(); return 1; end: @@ -608,6 +613,8 @@ static void acpi_pci_root_remove(struct acpi_device *device) { struct acpi_pci_root *root = acpi_driver_data(device); + pci_lock_rescan_remove(); + pci_stop_root_bus(root->bus); device_set_run_wake(root->bus->bridge, false); @@ -615,6 +622,8 @@ static void acpi_pci_root_remove(struct acpi_device *device) pci_remove_root_bus(root->bus); + pci_unlock_rescan_remove(); + kfree(root); } |