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path: root/drivers/acpi/acpica/hwsleep.c
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Diffstat (limited to 'drivers/acpi/acpica/hwsleep.c')
-rw-r--r--drivers/acpi/acpica/hwsleep.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index aba3634..8ab325c 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -56,6 +56,7 @@ ACPI_MODULE_NAME("hwsleep")
* FUNCTION: acpi_hw_legacy_sleep
*
* PARAMETERS: sleep_state - Which sleep state to enter
+ * Flags - ACPI_EXECUTE_GTS to run optional method
*
* RETURN: Status
*
@@ -63,7 +64,7 @@ ACPI_MODULE_NAME("hwsleep")
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
******************************************************************************/
-acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
+acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags)
{
struct acpi_bit_register_info *sleep_type_reg_info;
struct acpi_bit_register_info *sleep_enable_reg_info;
@@ -121,9 +122,11 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
return_ACPI_STATUS(status);
}
- /* 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);
+ }
/* Get current value of PM1A control */
@@ -219,6 +222,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
* FUNCTION: acpi_hw_legacy_wake_prep
*
* PARAMETERS: sleep_state - Which sleep state we just exited
+ * Flags - ACPI_EXECUTE_BFS to run optional method
*
* RETURN: Status
*
@@ -228,7 +232,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
*
******************************************************************************/
-acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
+acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags)
{
acpi_status status;
struct acpi_bit_register_info *sleep_type_reg_info;
@@ -279,7 +283,11 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
}
}
- 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(status);
}
@@ -288,6 +296,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
* FUNCTION: acpi_hw_legacy_wake
*
* PARAMETERS: sleep_state - Which sleep state we just exited
+ * Flags - Reserved, set to zero
*
* RETURN: Status
*
@@ -296,7 +305,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
*
******************************************************************************/
-acpi_status acpi_hw_legacy_wake(u8 sleep_state)
+acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags)
{
acpi_status status;