Import ACPICA 20120320.vendor/acpica/20120320

1 files changed, 23 insertions, 9 deletions

diff --git a/source/components/hardware/hwsleep.c b/source/components/hardware/hwsleep.c
index 0d311435555a..1953ff846e80 100644
--- a/source/components/hardware/hwsleep.c
+++ b/source/components/hardware/hwsleep.c
@@ -55,6 +55,7 @@
  * FUNCTION:    AcpiHwLegacySleep
  *
  * PARAMETERS:  SleepState          - Which sleep state to enter
+ *              Flags               - ACPI_EXECUTE_GTS to run optional method
  *
  * RETURN:      Status
  *
@@ -65,7 +66,8 @@
 
 ACPI_STATUS
 AcpiHwLegacySleep (
-    UINT8                   SleepState)
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
     ACPI_BIT_REGISTER_INFO  *SleepTypeRegInfo;
     ACPI_BIT_REGISTER_INFO  *SleepEnableRegInfo;
@@ -128,9 +130,12 @@ AcpiHwLegacySleep (
         return_ACPI_STATUS (Status);
     }
 
-    /* Execute the _GTS method (Going To Sleep) */
+    /* Optionally execute _GTS (Going To Sleep) */
 
-    AcpiHwExecuteSleepMethod (METHOD_NAME__GTS, SleepState);
+    if (Flags & ACPI_EXECUTE_GTS)
+    {
+        AcpiHwExecuteSleepMethod (METHOD_PATHNAME__GTS, SleepState);
+    }
 
     /* Get current value of PM1A control */
 
@@ -228,6 +233,7 @@ AcpiHwLegacySleep (
  * FUNCTION:    AcpiHwLegacyWakePrep
  *
  * PARAMETERS:  SleepState          - Which sleep state we just exited
+ *              Flags               - ACPI_EXECUTE_BFS to run optional method
  *
  * RETURN:      Status
  *
@@ -239,7 +245,8 @@ AcpiHwLegacySleep (
 
 ACPI_STATUS
 AcpiHwLegacyWakePrep (
-    UINT8                   SleepState)
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
     ACPI_STATUS             Status;
     ACPI_BIT_REGISTER_INFO  *SleepTypeRegInfo;
@@ -289,7 +296,12 @@ AcpiHwLegacyWakePrep (
         }
     }
 
-    AcpiHwExecuteSleepMethod (METHOD_NAME__BFS, SleepState);
+    /* Optionally execute _BFS (Back From Sleep) */
+
+    if (Flags & ACPI_EXECUTE_BFS)
+    {
+        AcpiHwExecuteSleepMethod (METHOD_PATHNAME__BFS, SleepState);
+    }
     return_ACPI_STATUS (Status);
 }
 
@@ -299,6 +311,7 @@ AcpiHwLegacyWakePrep (
  * FUNCTION:    AcpiHwLegacyWake
  *
  * PARAMETERS:  SleepState          - Which sleep state we just exited
+ *              Flags               - Reserved, set to zero
  *
  * RETURN:      Status
  *
@@ -309,7 +322,8 @@ AcpiHwLegacyWakePrep (
 
 ACPI_STATUS
 AcpiHwLegacyWake (
-    UINT8                   SleepState)
+    UINT8                   SleepState,
+    UINT8                   Flags)
 {
     ACPI_STATUS             Status;
 
@@ -320,7 +334,7 @@ AcpiHwLegacyWake (
     /* Ensure EnterSleepStatePrep -> EnterSleepState ordering */
 
     AcpiGbl_SleepTypeA = ACPI_SLEEP_TYPE_INVALID;
-    AcpiHwExecuteSleepMethod (METHOD_NAME__SST, ACPI_SST_WAKING);
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, ACPI_SST_WAKING);
 
     /*
      * GPEs must be enabled before _WAK is called as GPEs
@@ -346,7 +360,7 @@ AcpiHwLegacyWake (
      * Now we can execute _WAK, etc. Some machines require that the GPEs
      * are enabled before the wake methods are executed.
      */
-    AcpiHwExecuteSleepMethod (METHOD_NAME__WAK, SleepState);
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__WAK, SleepState);
 
     /*
      * Some BIOS code assumes that WAK_STS will be cleared on resume
@@ -377,7 +391,7 @@ AcpiHwLegacyWake (
         return_ACPI_STATUS (Status);
     }
 
-    AcpiHwExecuteSleepMethod (METHOD_NAME__SST, ACPI_SST_WORKING);
+    AcpiHwExecuteSleepMethod (METHOD_PATHNAME__SST, ACPI_SST_WORKING);
     return_ACPI_STATUS (Status);
 }