diff options
Diffstat (limited to 'drivers/acpi/pci_root.c')
| -rw-r--r-- | drivers/acpi/pci_root.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 9cfc74192419..2e1a74a967bb 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -151,6 +151,21 @@ static acpi_status try_get_root_bridge_busnr(acpi_handle handle, int *busnum) return AE_OK; } +static void acpi_pci_bridge_scan(struct acpi_device *device) +{ + int status; + struct acpi_device *child = NULL; + + if (device->flags.bus_address) + if (device->parent && device->parent->ops.bind) { + status = device->parent->ops.bind(device); + if (!status) { + list_for_each_entry(child, &device->children, node) + acpi_pci_bridge_scan(child); + } + } +} + static int acpi_pci_root_add(struct acpi_device *device) { int result = 0; @@ -159,6 +174,7 @@ static int acpi_pci_root_add(struct acpi_device *device) acpi_status status = AE_OK; unsigned long value = 0; acpi_handle handle = NULL; + struct acpi_device *child; if (!device) @@ -175,6 +191,8 @@ static int acpi_pci_root_add(struct acpi_device *device) strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS); acpi_driver_data(device) = root; + device->ops.bind = acpi_pci_bind; + /* * Segment * ------- @@ -294,6 +312,12 @@ static int acpi_pci_root_add(struct acpi_device *device) result = acpi_pci_irq_add_prt(device->handle, root->id.segment, root->id.bus); + /* + * Scan and bind all _ADR-Based Devices + */ + list_for_each_entry(child, &device->children, node) + acpi_pci_bridge_scan(child); + end: if (result) { if (!list_empty(&root->node)) |