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Under current implementation, when USB control transfer failed with Endpoint Stall error, there is no response reporting to UOS. This logic will result of timeout in UOS kernel and hence a longer enumeration process. This patch reports the Stall Error to UOS by xHCI Completion Event, which will fix this issue. Tracked-On: #1895 Signed-off-by: Xiaoguang Wu <xiaoguang.wu@intel.com> Reviewed-by: Liang Yang <liang3.yang@intel.com> Acked-by: Yu Wang <yu1.wang@intel.com>