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Revert "EhciDxe: Use common buffer for AsyncInterruptTransfer"

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There is concern at the thread
https://lists.01.org/pipermail/edk2-devel/2018-November/031951.html.
And the time point is a little sensitive as it is near edk2-stable201811.

This reverts commit 0cd6452503.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
This commit is contained in:
Star Zeng
2018-11-06 21:45:25 +08:00
parent 1ed6498c4a
commit f87db25620
4 changed files with 95 additions and 57 deletions
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33
MdeModulePkg/Bus/Pci/EhciDxe/EhciUrb.h
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@@ -3,7 +3,7 @@
This file contains URB request, each request is warpped in a
URB (Usb Request Block).
Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
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
@@ -216,7 +216,6 @@ struct _URB {
EFI_USB_DEVICE_REQUEST *Request; // Control transfer only
VOID *RequestPhy; // Address of the mapped request
VOID *RequestMap;
BOOLEAN AllocateCommonBuffer;
VOID *Data;
UINTN DataLen;
VOID *DataPhy; // Address of the mapped user data
@@ -299,21 +298,20 @@ EhcFreeUrb (
/**
Create a new URB and its associated QTD.
@param Ehc The EHCI device.
@param DevAddr The device address.
@param EpAddr Endpoint addrress & its direction.
@param DevSpeed The device speed.
@param Toggle Initial data toggle to use.
@param MaxPacket The max packet length of the endpoint.
@param Hub The transaction translator to use.
@param Type The transaction type.
@param Request The standard USB request for control transfer.
@param AllocateCommonBuffer Indicate whether need to allocate common buffer for data transfer.
@param Data The user data to transfer, NULL if AllocateCommonBuffer is TRUE.
@param DataLen The length of data buffer.
@param Callback The function to call when data is transferred.
@param Context The context to the callback.
@param Interval The interval for interrupt transfer.
@param Ehc The EHCI device.
@param DevAddr The device address.
@param EpAddr Endpoint addrress & its direction.
@param DevSpeed The device speed.
@param Toggle Initial data toggle to use.
@param MaxPacket The max packet length of the endpoint.
@param Hub The transaction translator to use.
@param Type The transaction type.
@param Request The standard USB request for control transfer.
@param Data The user data to transfer.
@param DataLen The length of data buffer.
@param Callback The function to call when data is transferred.
@param Context The context to the callback.
@param Interval The interval for interrupt transfer.
@return Created URB or NULL.
@@ -329,7 +327,6 @@ EhcCreateUrb (
IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Hub,
IN UINTN Type,
IN EFI_USB_DEVICE_REQUEST *Request,
IN BOOLEAN AllocateCommonBuffer,
IN VOID *Data,
IN UINTN DataLen,
IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback,