Retired PciIncompatibleDeviceSupportLib from IntelFrameworkModulePkg.

[mirror_edk2.git] / IntelFrameworkModulePkg / Bus / Pci / PciBusDxe / PciPowerManagement.c

diff --git a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.c b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.c
index 4584198a9cb01adba53a521e1cbd17e1b4de5faf..860d427f352a7b652169267066864ba63b472db2 100644 (file)
--- a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.c
+++ b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.c
@@ -1,6 +1,7 @@
-/*++\r
+/** @file\r
+  Power management support fucntions implementation for PCI Bus module.\r
 \r
-Copyright (c) 2006 - 2007, Intel Corporation\r
+Copyright (c) 2006 - 2009, Intel Corporation\r
 All rights reserved. This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -9,46 +10,29 @@ http://opensource.org/licenses/bsd-license.php
 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
 \r
-Module Name:\r
+**/\r
 \r
-  PciPowerManagement.c\r
+#include "PciBus.h"\r
 \r
-Abstract:\r
-\r
-  PCI Bus Driver\r
-\r
-Revision History\r
+/**\r
+  This function is intended to turn off PWE assertion and\r
+  put the device to D0 state if the device supports\r
+  PCI Power Management.\r
 \r
---*/\r
+  @param PciIoDevice      PCI device instance.\r
 \r
-#include "pcibus.h"\r
+  @retval EFI_UNSUPPORTED PCI Device does not support power management.\r
+  @retval EFI_SUCCESS     Turned off PWE successfully.\r
 \r
+**/\r
 EFI_STATUS\r
 ResetPowerManagementFeature (\r
   IN PCI_IO_DEVICE *PciIoDevice\r
   )\r
-/*++\r
-\r
-Routine Description:\r
-\r
-  This function is intended to turn off PWE assertion and\r
-  put the device to D0 state if the device supports\r
-  PCI Power Management.\r
-\r
-Arguments:\r
-\r
-Returns:\r
-  \r
-  None\r
-\r
---*/\r
-// TODO:    PciIoDevice - add argument and description to function comment\r
-// TODO:    EFI_UNSUPPORTED - add return value to function comment\r
-// TODO:    EFI_SUCCESS - add return value to function comment\r
 {\r
   EFI_STATUS  Status;\r
   UINT8       PowerManagementRegBlock;\r
-  UINT16      PMCSR;\r
+  UINT16      PowerManagementCSR;\r
 \r
   PowerManagementRegBlock = 0;\r
 \r
@@ -66,18 +50,19 @@ Returns:
   //\r
   // Turn off the PWE assertion and put the device into D0 State\r
   //\r
-  PMCSR = 0x8000;\r
+  PowerManagementCSR = 0x8000;\r
 \r
   //\r
   // Write PMCSR\r
   //\r
-  PciIoWrite (\r
-               &PciIoDevice->PciIo,\r
-               EfiPciIoWidthUint16,\r
-               PowerManagementRegBlock + 4,\r
-               1,\r
-               &PMCSR\r
-             );\r
+  PciIoDevice->PciIo.Pci.Write (\r
+                           &PciIoDevice->PciIo,\r
+                           EfiPciIoWidthUint16,\r
+                           PowerManagementRegBlock + 4,\r
+                           1,\r
+                           &PowerManagementCSR\r
+                           );\r
 \r
   return EFI_SUCCESS;\r
 }\r
+\r