diff options
Diffstat (limited to 'drivers/pci/hotplug/acpiphp_glue.c')
| -rw-r--r-- | drivers/pci/hotplug/acpiphp_glue.c | 52 |
1 files changed, 13 insertions, 39 deletions
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 7ac315afa430..b136eee7a93b 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -540,53 +540,27 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus) return max; } - /** - * acpiphp_bus_add - add a new bus to acpi subsystem - * @func: acpiphp_func of the bridge + * acpiphp_bus_trim - Trim device objects in an ACPI namespace subtree. + * @handle: ACPI device object handle to start from. */ -static int acpiphp_bus_add(struct acpiphp_func *func) +static void acpiphp_bus_trim(acpi_handle handle) { - acpi_handle handle = func_to_handle(func); - struct acpi_device *device; - int ret_val; - - if (!acpi_bus_get_device(handle, &device)) { - dbg("bus exists... trim\n"); - /* this shouldn't be in here, so remove - * the bus then re-add it... - */ - acpi_bus_trim(device); - } + struct acpi_device *adev = NULL; - ret_val = acpi_bus_scan(handle); - if (!ret_val) - ret_val = acpi_bus_get_device(handle, &device); - - if (ret_val) - dbg("error adding bus, %x\n", -ret_val); - - return ret_val; + acpi_bus_get_device(handle, &adev); + if (adev) + acpi_bus_trim(adev); } - /** - * acpiphp_bus_trim - trim a bus from acpi subsystem - * @handle: handle to acpi namespace + * acpiphp_bus_add - Scan ACPI namespace subtree. + * @handle: ACPI object handle to start the scan from. */ -static int acpiphp_bus_trim(acpi_handle handle) +static void acpiphp_bus_add(acpi_handle handle) { - struct acpi_device *device; - int retval; - - retval = acpi_bus_get_device(handle, &device); - if (retval) { - dbg("acpi_device not found\n"); - return retval; - } - - acpi_bus_trim(device); - return 0; + acpiphp_bus_trim(handle); + acpi_bus_scan(handle); } static void acpiphp_set_acpi_region(struct acpiphp_slot *slot) @@ -649,7 +623,7 @@ static int __ref enable_device(struct acpiphp_slot *slot) goto err_exit; list_for_each_entry(func, &slot->funcs, sibling) - acpiphp_bus_add(func); + acpiphp_bus_add(func_to_handle(func)); num = pci_scan_slot(bus, PCI_DEVFN(slot->device, 0)); if (num == 0) { |