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MdeModulePkg/Usb: Boost the r/w performance by reducing stall time on polling cmd execution status

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Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Elvin Li <elvin.li@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14442 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Feng Tian
2013-06-24 03:03:55 +00:00
committed by erictian
parent 22feb630eb
commit ca24313165
13 changed files with 104 additions and 38 deletions
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6
MdeModulePkg/Bus/Pci/EhciPei/EhcPeim.c
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@@ -2,7 +2,7 @@
PEIM to produce gPeiUsb2HostControllerPpiGuid based on gPeiUsbControllerPpiGuid
which is used to enable recovery function from USB Drivers.
Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2010 - 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
@@ -532,6 +532,8 @@ EhcInitHC (
the subsequent bulk transfer.
@param TimeOut Indicates the maximum time, in millisecond, which the
transfer is allowed to complete.
If Timeout is 0, then the caller must wait for the function
to be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
@param Translator A pointr to the transaction translator data.
@param TransferResult A pointer to the detailed result information of the
bulk transfer.
@@ -995,6 +997,8 @@ ON_EXIT:
@param Data Data buffer to be transmitted or received from USB device.
@param DataLength The size (in bytes) of the data buffer.
@param TimeOut Indicates the maximum timeout, in millisecond.
If Timeout is 0, then the caller must wait for the function
to be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
@param Translator Transaction translator to be used by this device.
@param TransferResult Return the result of this control transfer.