diff options
Diffstat (limited to 'drivers/acpi/acpica/nsxfname.c')
| -rw-r--r-- | drivers/acpi/acpica/nsxfname.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index e9603fc9586c..c36975c1d1a9 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -241,7 +241,7 @@ static char *acpi_ns_copy_device_id(struct acpi_pnp_device_id *dest, * namespace node and possibly by running several standard * control methods (Such as in the case of a device.) * - * For Device and Processor objects, run the Device _HID, _UID, _CID, _STA, + * For Device and Processor objects, run the Device _HID, _UID, _CID, * _CLS, _ADR, _sx_w, and _sx_d methods. * * Note: Allocates the return buffer, must be freed by the caller. @@ -250,8 +250,9 @@ static char *acpi_ns_copy_device_id(struct acpi_pnp_device_id *dest, * discovery namespace traversal. Therefore, no complex methods can be * executed, especially those that access operation regions. Therefore, do * not add any additional methods that could cause problems in this area. - * this was the fate of the _SUB method which was found to cause such - * problems and was removed (11/2015). + * Because of this reason support for the following methods has been removed: + * 1) _SUB method was removed (11/2015) + * 2) _STA method was removed (02/2018) * ******************************************************************************/ @@ -369,25 +370,13 @@ acpi_get_object_info(acpi_handle handle, if ((type == ACPI_TYPE_DEVICE) || (type == ACPI_TYPE_PROCESSOR)) { /* * Get extra info for ACPI Device/Processor objects only: - * Run the _STA, _ADR and, sx_w, and _sx_d methods. + * Run the _ADR and, sx_w, and _sx_d methods. * * Notes: none of these methods are required, so they may or may * not be present for this device. The Info->Valid bitfield is used * to indicate which methods were found and run successfully. - * - * For _STA, if the method does not exist, then (as per the ACPI - * specification), the returned current_status flags will indicate - * that the device is present/functional/enabled. Otherwise, the - * current_status flags reflect the value returned from _STA. */ - /* Execute the Device._STA method */ - - status = acpi_ut_execute_STA(node, &info->current_status); - if (ACPI_SUCCESS(status)) { - valid |= ACPI_VALID_STA; - } - /* Execute the Device._ADR method */ status = acpi_ut_evaluate_numeric_object(METHOD_NAME__ADR, node, |