[Description]:

 Sync 3 trackers.
 1. A bug that may cause the low/full speed device behind 2.0 hub will not work.
 2. MajorRevision and MinorRevision need updating.
 3. Misuse UhciConvertPollRate in UHCI driver.
[Impaction]:
 EhicDxe, UhciDxe and UsbBusDxe.
[Reference Info]:
 EDK tracker 1122 - A bug that may cause the low/full speed device behind 2.0 hub will not work .
 EDK tracker 1101 - Phoenix found issue in USB and Misuse UhciConvertPollRate in UHCI driver.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5370 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 4 insertions, 3 deletions

diff --git a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c
index 8d527e061b..f5ec52d988 100644
--- a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c
+++ b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c
@@ -1,6 +1,6 @@
 /** @file

 

-Copyright (c) 2007, Intel Corporation

+Copyright (c) 2007 - 2008, 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

@@ -713,13 +713,14 @@ UsbEnumerateNewDev (
   if (Child->Speed != EFI_USB_SPEED_HIGH) {

     //

     // If the child isn't a high speed device, it is necessary to

-    // set the transaction translator. This is quite simple:

+    // set the transaction translator. Port TT is 1-based.

+    // This is quite simple:

     //  1. if parent is of high speed, then parent is our translator

     //  2. otherwise use parent's translator.

     //

     if (Parent->Speed == EFI_USB_SPEED_HIGH) {

       Child->Translator.TranslatorHubAddress  = Parent->Address;

-      Child->Translator.TranslatorPortNumber  = Port;

+      Child->Translator.TranslatorPortNumber  = Port + 1;

 

     } else {

       Child->Translator = Parent->Translator;