update to acpica-unix2-20130927
acpica-unix2-20130823
PANKOVs restructure

@@ -3,11 +3,11 @@
  * Module Name: evgpe - General Purpose Event handling and dispatch
  *
  *****************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2011, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:

@@ -47,10 +47,12 @@
 #include "acnamesp.h"
 
 #define _COMPONENT          ACPI_EVENTS
         ACPI_MODULE_NAME    ("evgpe")
 
+#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
+
 /* Local prototypes */
 
 static void ACPI_SYSTEM_XFACE
 AcpiEvAsynchExecuteGpeMethod (
     void                    *Context);

@@ -88,11 +90,11 @@
     if (!GpeRegisterInfo)
     {
         return_ACPI_STATUS (AE_NOT_EXIST);
     }
 
-    RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo, GpeRegisterInfo);
+    RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo);
 
     /* Clear the run bit up front */
 
     ACPI_CLEAR_BIT (GpeRegisterInfo->EnableForRun, RegisterBit);
 

@@ -427,10 +429,17 @@
              * register, we can safely ignore the entire register.
              */
             if (!(GpeRegisterInfo->EnableForRun |
                   GpeRegisterInfo->EnableForWake))
             {
+                ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS,
+                    "Ignore disabled registers for GPE%02X-GPE%02X: "
+                    "RunEnable=%02X, WakeEnable=%02X\n",
+                    GpeRegisterInfo->BaseGpeNumber,
+                    GpeRegisterInfo->BaseGpeNumber + (ACPI_GPE_REGISTER_WIDTH - 1),
+                    GpeRegisterInfo->EnableForRun,
+                    GpeRegisterInfo->EnableForWake));
                 continue;
             }
 
             /* Read the Status Register */
 

@@ -447,12 +456,17 @@
             {
                 goto UnlockAndExit;
             }
 
             ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS,
-                "Read GPE Register at GPE%02X: Status=%02X, Enable=%02X\n",
-                GpeRegisterInfo->BaseGpeNumber, StatusReg, EnableReg));
+                "Read registers for GPE%02X-GPE%02X: Status=%02X, Enable=%02X, "
+                "RunEnable=%02X, WakeEnable=%02X\n",
+                GpeRegisterInfo->BaseGpeNumber,
+                GpeRegisterInfo->BaseGpeNumber + (ACPI_GPE_REGISTER_WIDTH - 1),
+                StatusReg, EnableReg,
+                GpeRegisterInfo->EnableForRun,
+                GpeRegisterInfo->EnableForWake));
 
             /* Check if there is anything active at all in this register */
 
             EnabledStatusByte = (UINT8) (StatusReg & EnableReg);
             if (!EnabledStatusByte)

@@ -514,10 +528,11 @@
 {
     ACPI_GPE_EVENT_INFO     *GpeEventInfo = Context;
     ACPI_STATUS             Status;
     ACPI_GPE_EVENT_INFO     *LocalGpeEventInfo;
     ACPI_EVALUATE_INFO      *Info;
+    ACPI_GPE_NOTIFY_INFO    *Notify;
 
 
     ACPI_FUNCTION_TRACE (EvAsynchExecuteGpeMethod);
 
 

@@ -532,18 +547,20 @@
     }
 
     Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS);
     if (ACPI_FAILURE (Status))
     {
+        ACPI_FREE (LocalGpeEventInfo);
         return_VOID;
     }
 
     /* Must revalidate the GpeNumber/GpeBlock */
 
     if (!AcpiEvValidGpeEvent (GpeEventInfo))
     {
         Status = AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
+        ACPI_FREE (LocalGpeEventInfo);
         return_VOID;
     }
 
     /*
      * Take a snapshot of the GPE info for this level - we copy the info to

@@ -553,30 +570,38 @@
         sizeof (ACPI_GPE_EVENT_INFO));
 
     Status = AcpiUtReleaseMutex (ACPI_MTX_EVENTS);
     if (ACPI_FAILURE (Status))
     {
+        ACPI_FREE (LocalGpeEventInfo);
         return_VOID;
     }
 
     /* Do the correct dispatch - normal method or implicit notify */
 
     switch (LocalGpeEventInfo->Flags & ACPI_GPE_DISPATCH_MASK)
     {
     case ACPI_GPE_DISPATCH_NOTIFY:
-
         /*
          * Implicit notify.
          * Dispatch a DEVICE_WAKE notify to the appropriate handler.
          * NOTE: the request is queued for execution after this method
          * completes. The notify handlers are NOT invoked synchronously
          * from this thread -- because handlers may in turn run other
          * control methods.
+         *
+         * June 2012: Expand implicit notify mechanism to support
+         * notifies on multiple device objects.
          */
-        Status = AcpiEvQueueNotifyRequest (
-                    LocalGpeEventInfo->Dispatch.DeviceNode,
+        Notify = LocalGpeEventInfo->Dispatch.NotifyList;
+        while (ACPI_SUCCESS (Status) && Notify)
+        {
+            Status = AcpiEvQueueNotifyRequest (Notify->DeviceNode,
                     ACPI_NOTIFY_DEVICE_WAKE);
+
+            Notify = Notify->Next;
+        }
         break;
 
     case ACPI_GPE_DISPATCH_METHOD:
 
         /* Allocate the evaluation information block */

@@ -603,14 +628,14 @@
         {
             ACPI_EXCEPTION ((AE_INFO, Status,
                 "while evaluating GPE method [%4.4s]",
                 AcpiUtGetNodeName (LocalGpeEventInfo->Dispatch.MethodNode)));
         }
-
         break;
 
     default:
+
         return_VOID; /* Should never happen */
     }
 
     /* Defer enabling of GPE until all notify handlers are done */
 

@@ -793,11 +818,10 @@
         }
         break;
 
     case ACPI_GPE_DISPATCH_METHOD:
     case ACPI_GPE_DISPATCH_NOTIFY:
-
         /*
          * Execute the method associated with the GPE
          * NOTE: Level-triggered GPEs are cleared after the method completes.
          */
         Status = AcpiOsExecute (OSL_GPE_HANDLER,

@@ -809,11 +833,10 @@
                 GpeNumber));
         }
         break;
 
     default:
-
         /*
          * No handler or method to run!
          * 03/2010: This case should no longer be possible. We will not allow
          * a GPE to be enabled if it has no handler or method.
          */

@@ -824,5 +847,6 @@
     }
 
     return_UINT32 (ACPI_INTERRUPT_HANDLED);
 }
 
+#endif /* !ACPI_REDUCED_HARDWARE */