diff options
Diffstat (limited to 'drivers/acpi/pci_root.c')
-rw-r--r-- | drivers/acpi/pci_root.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index ab2f7dfb0c44..b76db99cced3 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -67,11 +67,10 @@ static struct acpi_scan_handler pci_root_handler = { */ int acpi_is_root_bridge(acpi_handle handle) { + struct acpi_device *device = acpi_fetch_acpi_dev(handle); int ret; - struct acpi_device *device; - ret = acpi_bus_get_device(handle, &device); - if (ret) + if (!device) return 0; ret = acpi_match_device_ids(device, root_device_ids); @@ -215,11 +214,10 @@ static acpi_status acpi_pci_query_osc(struct acpi_pci_root *root, struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle) { + struct acpi_device *device = acpi_fetch_acpi_dev(handle); struct acpi_pci_root *root; - struct acpi_device *device; - if (acpi_bus_get_device(handle, &device) || - acpi_match_device_ids(device, root_device_ids)) + if (!device || acpi_match_device_ids(device, root_device_ids)) return NULL; root = acpi_driver_data(device); @@ -324,7 +322,7 @@ EXPORT_SYMBOL_GPL(acpi_get_pci_dev); * acpi_pci_osc_control_set - Request control of PCI root _OSC features. * @handle: ACPI handle of a PCI root bridge (or PCIe Root Complex). * @mask: Mask of _OSC bits to request control of, place to store control mask. - * @req: Mask of _OSC bits the control of is essential to the caller. + * @support: _OSC supported capability. * * Run _OSC query for @mask and if that is successful, compare the returned * mask of control bits with @req. If all of the @req bits are set in the |