diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c index 461b2cd9b5..d8fa41f68f 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c @@ -471,7 +471,16 @@ XhcGetRootHubPortStatus ( // For those devices behind hub, we get its attach/detach event by hooking Get_Port_Status request at control transfer for those hub.
//
ParentRouteChart.Dword = 0;
- XhcPollPortStatusChange (Xhc, ParentRouteChart, PortNumber, PortStatus);
+ Status = XhcPollPortStatusChange (Xhc, ParentRouteChart, PortNumber, PortStatus);
+
+ //
+ // Force resetting the port by clearing the USB_PORT_STAT_C_RESET bit in PortChangeStatus
+ // when XhcPollPortStatusChange fails
+ //
+ if (EFI_ERROR (Status)) {
+ PortStatus->PortChangeStatus &= ~(USB_PORT_STAT_C_RESET);
+ Status = EFI_SUCCESS;
+ }
ON_EXIT:
gBS->RestoreTPL (OldTpl);
|