MdeMdeModulePkg/UsbBusDxe: If DisconnectController() returns an error the USB Bus Driver would retry the DisconnectController() from a timer event until it succeeds

Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14819 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.h

@@ -198,6 +198,7 @@ struct _USB_DEVICE {
   USB_INTERFACE             *ParentIf;
   UINT8                     ParentPort;       // Start at 0
   UINT8                     Tier;
+  BOOLEAN                   DisconnectFail;
 };
 
 //