1 files changed, 53 insertions, 53 deletions
diff --git a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciCommand.c b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciCommand.c
index 31bdd8d234..ab9d3a0025 100644
--- a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciCommand.c
+++ b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciCommand.c
@@ -1,31 +1,30 @@
 /** @file
-  This module implement Pci register operation interface for 
-  Pci device.
-  
-Copyright (c) 2006, Intel Corporation                                                         
-All rights reserved. This program and the accompanying materials                          
-are licensed and made available under the terms and conditions of the BSD License         
-which accompanies this distribution.  The full text of the license may be found at        
-http://opensource.org/licenses/bsd-license.php                                            
-                                                                                          
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+  PCI command register operations supporting functions implementation for PCI Bus module.
 
-**/
+Copyright (c) 2006 - 2009, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution.  The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
+**/
 
 #include "PciBus.h"
 
 /**
   Operate the PCI register via PciIo function interface.
-  
-  @param PciIoDevice    Pointer to instance of PCI_IO_DEVICE
-  @param Command        Operator command
+
+  @param PciIoDevice    Pointer to instance of PCI_IO_DEVICE.
+  @param Command        Operator command.
   @param Offset         The address within the PCI configuration space for the PCI controller.
-  @param Operation      Type of Operation
-  @param PtrCommand     Return buffer holding old PCI command, if operation is not EFI_SET_REGISTER
-  
-  @return status of PciIo operation
+  @param Operation      Type of Operation.
+  @param PtrCommand     Return buffer holding old PCI command, if operation is not EFI_SET_REGISTER.
+
+  @return Status of PciIo operation.
+
 **/
 EFI_STATUS
 PciOperateRegister (
@@ -76,19 +75,19 @@ PciOperateRegister (
 }
 
 /**
-  check the cpability of this device supports
-  
-  @param PciIoDevice  Pointer to instance of PCI_IO_DEVICE
-  
-  @retval TRUE  Support
-  @retval FALSE Not support.
+  Check the cpability supporting by given device.
+
+  @param PciIoDevice   Pointer to instance of PCI_IO_DEVICE.
+
+  @retval TRUE         Cpability supportted.
+  @retval FALSE        Cpability not supportted.
+
 **/
 BOOLEAN
 PciCapabilitySupport (
   IN PCI_IO_DEVICE  *PciIoDevice
   )
 {
-
   if ((PciIoDevice->Pci.Hdr.Status & EFI_PCI_STATUS_CAPABILITY) != 0) {
     return TRUE;
   }
@@ -97,16 +96,17 @@ PciCapabilitySupport (
 }
 
 /**
-  Locate cap reg.
-  
-  @param PciIoDevice         - A pointer to the PCI_IO_DEVICE.
-  @param CapId               - The cap ID.
-  @param Offset              - A pointer to the offset.
-  @param NextRegBlock        - A pointer to the next block.
-  
-  @retval EFI_UNSUPPORTED  Pci device does not support
+  Locate capability register block per capability ID.
+
+  @param PciIoDevice       A pointer to the PCI_IO_DEVICE.
+  @param CapId             The capability ID.
+  @param Offset            A pointer to the offset returned.
+  @param NextRegBlock      A pointer to the next block returned.
+
+  @retval EFI_SUCCESS      Successfuly located capability register block.
+  @retval EFI_UNSUPPORTED  Pci device does not support capability.
   @retval EFI_NOT_FOUND    Pci device support but can not find register block.
-  @retval EFI_SUCCESS      Success to locate capability register block
+
 **/
 EFI_STATUS
 LocateCapabilityRegBlock (
@@ -135,32 +135,32 @@ LocateCapabilityRegBlock (
     if (IS_CARDBUS_BRIDGE (&PciIoDevice->Pci)) {
 
       PciIoRead (
-                  &PciIoDevice->PciIo,
-                  EfiPciIoWidthUint8,
-                  EFI_PCI_CARDBUS_BRIDGE_CAPABILITY_PTR,
-                  1,
-                  &CapabilityPtr
-                );
+        &PciIoDevice->PciIo,
+        EfiPciIoWidthUint8,
+        EFI_PCI_CARDBUS_BRIDGE_CAPABILITY_PTR,
+        1,
+        &CapabilityPtr
+        );
     } else {
 
       PciIoRead (
-                  &PciIoDevice->PciIo,
-                  EfiPciIoWidthUint8,
-                  PCI_CAPBILITY_POINTER_OFFSET,
-                  1,
-                  &CapabilityPtr
-                );
+        &PciIoDevice->PciIo,
+        EfiPciIoWidthUint8,
+        PCI_CAPBILITY_POINTER_OFFSET,
+        1,
+        &CapabilityPtr
+        );
     }
   }
 
   while ((CapabilityPtr >= 0x40) && ((CapabilityPtr & 0x03) == 0x00)) {
     PciIoRead (
-                &PciIoDevice->PciIo,
-                EfiPciIoWidthUint16,
-                CapabilityPtr,
-                1,
-                &CapabilityEntry
-              );
+      &PciIoDevice->PciIo,
+      EfiPciIoWidthUint16,
+      CapabilityPtr,
+      1,
+      &CapabilityEntry
+      );
 
     CapabilityID = (UINT8) CapabilityEntry;