TPL deadlock issue was enrolled by the commit of39b0867d. To resolve the issue, this patch separated the timer ticking for all the MTFTP clients to calculate the packet live time in TPL_NOTIFY level. Cc: Wang Fan <fan.wang@intel.com> Cc: Fu Siyuan <siyuan.fu@intel.com> Cc: Ye Ting <ting.ye@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com> (cherry picked from commit0e2a5749d8)