fixed DMA not be stopped issue when gBS->ExitBootServices called.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8058 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2009-04-10 08:31:45 +00:00
parent f05b1c14ec
commit 0428a6cb12
10 changed files with 181 additions and 10 deletions

View File

@@ -2,7 +2,7 @@
The definition for UHCI driver model and HC protocol routines.
Copyright (c) 2004 - 2007, Intel Corporation
Copyright (c) 2004 - 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
@@ -23,6 +23,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Protocol/UsbHostController.h>
#include <Protocol/PciIo.h>
#include <Guid/EventGroup.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiDriverEntryPoint.h>
@@ -137,6 +139,12 @@ struct _USB_HC_DEV {
USBHC_MEM_POOL *MemPool;
EFI_UNICODE_STRING_TABLE *CtrlNameTable;
VOID *FrameMapping;
//
// ExitBootServicesEvent is used to stop the EHC DMA operation
// after exit boot service.
//
EFI_EVENT ExitBootServiceEvent;
};
extern EFI_DRIVER_BINDING_PROTOCOL gUhciDriverBinding;