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This change is used to remove the port status polling in port reset functions. Why it's needed is because: 1) The same polling on same port has taken place prior to this removed one. See UsbEnumeratePort()->GetPortStatus(). So this polling in UsbEnumerateNewDev()->ResetPort() is redundant. 2) EDKII Xhci driver hooks all GetPortStatus() operations. If we don't remove this one, XHCI driver's XhcPollPortStatusChange() may enter twice in reset process and wrongly think the device is unplugged. Cc: Star Zeng <star.zeng@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Feng Tian <feng.tian@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>