acpica-unix2-20130823
PANKOVs restructure

*** 3,13 ****
   * Module Name: uteval - Object evaluation
   *
   *****************************************************************************/
  
  /*
!  * Copyright (C) 2000 - 2011, 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:
--- 3,13 ----
   * Module Name: uteval - Object evaluation
   *
   *****************************************************************************/
  
  /*
!  * 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:
*** 93,103 ****
      {
          return_ACPI_STATUS (AE_NO_MEMORY);
      }
  
      Info->PrefixNode = PrefixNode;
!     Info->Pathname = Path;
  
      /* Evaluate the object/method */
  
      Status = AcpiNsEvaluate (Info);
      if (ACPI_FAILURE (Status))
--- 93,103 ----
      {
          return_ACPI_STATUS (AE_NO_MEMORY);
      }
  
      Info->PrefixNode = PrefixNode;
!     Info->RelativePathname = Path;
  
      /* Evaluate the object/method */
  
      Status = AcpiNsEvaluate (Info);
      if (ACPI_FAILURE (Status))
*** 134,159 ****
--- 134,164 ----
      /* Map the return object type to the bitmapped type */
  
      switch ((Info->ReturnObject)->Common.Type)
      {
      case ACPI_TYPE_INTEGER:
+ 
          ReturnBtype = ACPI_BTYPE_INTEGER;
          break;
  
      case ACPI_TYPE_BUFFER:
+ 
          ReturnBtype = ACPI_BTYPE_BUFFER;
          break;
  
      case ACPI_TYPE_STRING:
+ 
          ReturnBtype = ACPI_BTYPE_STRING;
          break;
  
      case ACPI_TYPE_PACKAGE:
+ 
          ReturnBtype = ACPI_BTYPE_PACKAGE;
          break;
  
      default:
+ 
          ReturnBtype = 0;
          break;
      }
  
      if ((AcpiGbl_EnableInterpreterSlack) &&
*** 253,263 ****
   *              Flags               - Where the status flags are returned
   *
   * RETURN:      Status
   *
   * DESCRIPTION: Executes _STA for selected device and stores results in
!  *              *Flags.
   *
   *              NOTE: Internal function, no parameter validation
   *
   ******************************************************************************/
  
--- 258,269 ----
   *              Flags               - Where the status flags are returned
   *
   * RETURN:      Status
   *
   * DESCRIPTION: Executes _STA for selected device and stores results in
!  *              *Flags. If _STA does not exist, then the device is assumed
!  *              to be present/functional/enabled (as per the ACPI spec).
   *
   *              NOTE: Internal function, no parameter validation
   *
   ******************************************************************************/
  
*** 277,286 ****
--- 283,297 ----
                  ACPI_BTYPE_INTEGER, &ObjDesc);
      if (ACPI_FAILURE (Status))
      {
          if (AE_NOT_FOUND == Status)
          {
+             /*
+              * if _STA does not exist, then (as per the ACPI specification),
+              * the returned flags will indicate that the device is present,
+              * functional, and enabled.
+              */
              ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
                  "_STA on %4.4s was not found, assuming device is present\n",
                  AcpiUtGetNodeName (DeviceNode)));
  
              *Flags = ACPI_UINT32_MAX;