Fix a obvious bug for judge whether the PPB support ISA

[mirror_edk2.git] / DuetPkg / PciBusNoEnumerationDxe / PciEnumeratorSupport.c

diff --git a/DuetPkg/PciBusNoEnumerationDxe/PciEnumeratorSupport.c b/DuetPkg/PciBusNoEnumerationDxe/PciEnumeratorSupport.c
index b763c6cce6b83d0a70b31e3605485fa11a935a27..a21df4cec23786951d78d4c191641426f746a72d 100644 (file)
--- a/DuetPkg/PciBusNoEnumerationDxe/PciEnumeratorSupport.c
+++ b/DuetPkg/PciBusNoEnumerationDxe/PciEnumeratorSupport.c
@@ -1,6 +1,6 @@
 /*++\r
 \r
-Copyright (c) 2005 - 2007, Intel Corporation                                                         \r
+Copyright (c) 2005 - 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
@@ -484,7 +484,7 @@ Returns:
 {\r
   PCI_IO_DEVICE                   *PciIoDevice;\r
   EFI_STATUS                      Status;\r
-  UINT32                          Value;\r
+  UINT8                           Value;\r
   EFI_PCI_IO_PROTOCOL             *PciIo;\r
   UINT8                           Temp;\r
 \r
@@ -818,7 +818,7 @@ Returns:
     // will block forwarding 0x100-0x3ff for each 1KB in the \r
     // first 64KB I/O range.\r
     //\r
-    if (!BridgeControl & EFI_PCI_BRIDGE_CONTROL_ISA) {\r
+    if ((BridgeControl & EFI_PCI_BRIDGE_CONTROL_ISA) != 0) {\r
       PciIoDevice->Attributes |= EFI_PCI_IO_ATTRIBUTE_ISA_IO;\r
     } \r
 \r
@@ -994,7 +994,7 @@ Returns:
       Data  = Value;\r
       Index = 0;\r
       for (Data = Value; Data != 0; Data >>= 1) {\r
-       Index ++;\r
+        Index ++;\r
       }\r
       Value |= ((UINT32)(-1) << Index); \r
 \r