diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/EhciDxe/EhciSched.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/EhciDxe/EhciSched.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/EhciSched.c b/MdeModulePkg/Bus/Pci/EhciDxe/EhciSched.c index 58d4a303dc..0b9d7608ac 100644 --- a/MdeModulePkg/Bus/Pci/EhciDxe/EhciSched.c +++ b/MdeModulePkg/Bus/Pci/EhciDxe/EhciSched.c @@ -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);
}
//
|