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path: root/drivers/acpi/scan.c
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Diffstat (limited to 'drivers/acpi/scan.c')
-rw-r--r--drivers/acpi/scan.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 2c4cac576a7..e9227ea2cb2 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1100,6 +1100,12 @@ static void acpi_device_set_id(struct acpi_device *device)
if (ACPI_IS_ROOT_DEVICE(device)) {
hid = ACPI_SYSTEM_HID;
break;
+ } else if (ACPI_IS_ROOT_DEVICE(device->parent)) {
+ /* \_SB_, the only root-level namespace device */
+ hid = ACPI_BUS_HID;
+ strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME);
+ strcpy(device->pnp.device_class, ACPI_BUS_CLASS);
+ break;
}
status = acpi_get_object_info(device->handle, &info);
@@ -1149,18 +1155,6 @@ static void acpi_device_set_id(struct acpi_device *device)
break;
}
- /*
- * \_SB
- * ----
- * Fix for the system root bus device -- the only root-level device.
- */
- if (((acpi_handle)device->parent == ACPI_ROOT_OBJECT) &&
- (device->device_type == ACPI_BUS_TYPE_DEVICE)) {
- hid = ACPI_BUS_HID;
- strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME);
- strcpy(device->pnp.device_class, ACPI_BUS_CLASS);
- }
-
if (hid) {
device->pnp.hardware_id = ACPI_ALLOCATE_ZEROED(strlen (hid) + 1);
if (device->pnp.hardware_id) {