// 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;
{\r
UINT32 Buffer;\r
\r
+ if (Xhc->UsbLegSupOffset == 0xFFFFFFFF) {\r
+ return;\r
+ }\r
+\r
DEBUG ((EFI_D_INFO, "XhcSetBiosOwnership: called to set BIOS ownership\n"));\r
\r
Buffer = XhcReadExtCapReg (Xhc, Xhc->UsbLegSupOffset);\r
{\r
UINT32 Buffer;\r
\r
+ if (Xhc->UsbLegSupOffset == 0xFFFFFFFF) {\r
+ return;\r
+ }\r
+\r
DEBUG ((EFI_D_INFO, "XhcClearBiosOwnership: called to clear BIOS ownership\n"));\r
\r
Buffer = XhcReadExtCapReg (Xhc, Xhc->UsbLegSupOffset);\r
ExtCapOffset += (NextExtCapReg << 2);\r
} while (NextExtCapReg != 0);\r
\r
- return 0;\r
+ return 0xFFFFFFFF;\r
}\r
\r
/**\r
}\r
}\r
\r
- if (((XhcReadExtCapReg (Xhc, Xhc->DebugCapSupOffset) & 0xFF) != XHC_CAP_USB_DEBUG) ||\r
+ if ((Xhc->DebugCapSupOffset == 0xFFFFFFFF) || ((XhcReadExtCapReg (Xhc, Xhc->DebugCapSupOffset) & 0xFF) != XHC_CAP_USB_DEBUG) ||\r
((XhcReadExtCapReg (Xhc, Xhc->DebugCapSupOffset + XHC_DC_DCCTRL) & BIT0) == 0)) {\r
XhcSetOpRegBit (Xhc, XHC_USBCMD_OFFSET, XHC_USBCMD_RESET);\r
Status = XhcWaitOpRegBit (Xhc, XHC_USBCMD_OFFSET, XHC_USBCMD_RESET, FALSE, Timeout);\r