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 0cbbb368802f9115844f207a3bd7a912367784fb..860d427f352a7b652169267066864ba63b472db2 100644 (file)
--- a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.c
+++ b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciPowerManagement.c
@@ -1,44 +1,38 @@
-/**@file\r
+/** @file\r
+  Power management support fucntions implementation for PCI Bus module.\r
 \r
-Copyright (c) 2006, 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
-http://opensource.org/licenses/bsd-license.php                                            \r
-                                                                                          \r
-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
+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
+http://opensource.org/licenses/bsd-license.php\r
+\r
+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
 **/\r
 \r
-#include "pcibus.h"\r
+#include "PciBus.h"\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
+  @param PciIoDevice      PCI device instance.\r
 \r
-Returns:\r
-  \r
-  None\r
+  @retval EFI_UNSUPPORTED PCI Device does not support power management.\r
+  @retval EFI_SUCCESS     Turned off PWE successfully.\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
+EFI_STATUS\r
+ResetPowerManagementFeature (\r
+  IN PCI_IO_DEVICE *PciIoDevice\r
+  )\r
 {\r
   EFI_STATUS  Status;\r
   UINT8       PowerManagementRegBlock;\r
-  UINT16      PMCSR;\r
+  UINT16      PowerManagementCSR;\r
 \r
   PowerManagementRegBlock = 0;\r
 \r
@@ -56,18 +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