diff options
Diffstat (limited to 'drivers/acpi/acpica/nsxfname.c')
-rw-r--r-- | drivers/acpi/acpica/nsxfname.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index f3a4d95899f7..21a2ef363ad4 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -379,9 +379,14 @@ acpi_get_object_info(acpi_handle handle, * Get extra info for ACPI Device/Processor objects only: * Run the _STA, _ADR and, sx_w, and _sx_d methods. * - * Note: none of these methods are required, so they may or may + * 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 */ |