diff options
Diffstat (limited to 'drivers/acpi/acpica/hwesleep.c')
| -rw-r--r-- | drivers/acpi/acpica/hwesleep.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index 6cbc4e10bfa8..1c409e82c461 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -103,6 +103,7 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument) * FUNCTION: acpi_hw_extended_sleep * * PARAMETERS: sleep_state - Which sleep state to enter + * Flags - ACPI_EXECUTE_GTS to run optional method * * RETURN: Status * @@ -112,7 +113,7 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument) * ******************************************************************************/ -acpi_status acpi_hw_extended_sleep(u8 sleep_state) +acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) { acpi_status status; u8 sleep_type_value; @@ -136,9 +137,11 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) acpi_gbl_system_awake_and_running = FALSE; - /* Execute the _GTS method (Going To Sleep) */ + /* Optionally execute _GTS (Going To Sleep) */ - acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state); + if (flags & ACPI_EXECUTE_GTS) { + acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state); + } /* Flush caches, as per ACPI specification */ @@ -181,6 +184,7 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) * FUNCTION: acpi_hw_extended_wake_prep * * PARAMETERS: sleep_state - Which sleep state we just exited + * Flags - ACPI_EXECUTE_BFS to run optional method * * RETURN: Status * @@ -189,7 +193,7 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) * ******************************************************************************/ -acpi_status acpi_hw_extended_wake_prep(u8 sleep_state) +acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags) { acpi_status status; u8 sleep_type_value; @@ -208,7 +212,11 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state) &acpi_gbl_FADT.sleep_control); } - acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state); + /* Optionally execute _BFS (Back From Sleep) */ + + if (flags & ACPI_EXECUTE_BFS) { + acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state); + } return_ACPI_STATUS(AE_OK); } @@ -217,6 +225,7 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state) * FUNCTION: acpi_hw_extended_wake * * PARAMETERS: sleep_state - Which sleep state we just exited + * Flags - Reserved, set to zero * * RETURN: Status * @@ -225,7 +234,7 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state) * ******************************************************************************/ -acpi_status acpi_hw_extended_wake(u8 sleep_state) +acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags) { ACPI_FUNCTION_TRACE(hw_extended_wake); |