diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c index 8debc4c18c..443df729d2 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c @@ -164,7 +164,7 @@ XhcReset ( // Flow through, same behavior as Host Controller Reset // case EFI_USB_HC_RESET_HOST_CONTROLLER: - if (((XhcReadExtCapReg (Xhc, Xhc->DebugCapSupOffset) & 0xFF) == XHC_CAP_USB_DEBUG) && + if ((Xhc->DebugCapSupOffset != 0xFFFFFFFF) && ((XhcReadExtCapReg (Xhc, Xhc->DebugCapSupOffset) & 0xFF) == XHC_CAP_USB_DEBUG) && ((XhcReadExtCapReg (Xhc, Xhc->DebugCapSupOffset + XHC_DC_DCCTRL) & BIT0) != 0)) { Status = EFI_SUCCESS; goto ON_EXIT; |