sravan/system76-edk2
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Fix a bug that usb keybarod can not work well when it is inserted at a usb 2.0 hub.

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It's due to AsyncInterruptList does not update the corresponding QTDHw->Data with pci bus master address.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10286 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
erictian
2010-03-19 06:54:35 +00:00
parent 33f30f1ee3
commit aa91de055c
8 changed files with 124 additions and 144 deletions
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7
MdeModulePkg/Bus/Pci/EhciDxe/EhciSched.c
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@ -904,7 +904,12 @@ EhcUpdateAsyncRequest (
QtdHw->ErrCnt = QTD_MAX_ERR;
QtdHw->CurPage = 0;
QtdHw->TotalBytes = (UINT32) Qtd->DataLen;
QtdHw->Page[0] = EHC_LOW_32BIT (Qtd->Data);
//
// calculate physical address by offset.
//
PciAddr = (UINTN)Urb->DataPhy + ((UINTN)Qtd->Data - (UINTN)Urb->Data);
QtdHw->Page[0] = EHC_LOW_32BIT (PciAddr);
QtdHw->PageHigh[0]= EHC_HIGH_32BIT (PciAddr);
}
//