Force resetting the port by clearing the USB_PORT_STAT_C_RESET bit in
PortChangeStatus
when XhcPollPortStatusChange fails
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
---
MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
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);
--
2.37.2
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