MdeModulePkg: Correct function description for AllocateBuffer

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / PciBusDxe / PciIo.h

diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.h b/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.h
index da3de3938e4b7bf5c10557f78d4d3087c600f64e..b7e38ded3fa482b7d05e2ae3e8a08e60aacf0442 100644 (file)
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.h
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.h
@@ -411,7 +411,7 @@ PciIoUnmap (
 \r
 /**\r
   Allocates pages that are suitable for an EfiPciIoOperationBusMasterCommonBuffer\r
-  mapping.\r
+  or EfiPciOperationBusMasterCommonBuffer64 mapping.\r
 \r
   @param  This                  A pointer to the EFI_PCI_IO_PROTOCOL instance.\r
   @param  Type                  This parameter is not used and must be ignored.\r
@@ -424,7 +424,7 @@ PciIoUnmap (
 \r
   @retval EFI_SUCCESS           The requested memory pages were allocated.\r
   @retval EFI_UNSUPPORTED       Attributes is unsupported. The only legal attribute bits are\r
-                                MEMORY_WRITE_COMBINE and MEMORY_CACHED.\r
+                                MEMORY_WRITE_COMBINE, MEMORY_CACHED and DUAL_ADDRESS_CYCLE.\r
   @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
   @retval EFI_OUT_OF_RESOURCES  The memory pages could not be allocated.\r
 \r