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Having the node in zynqmp.dtsi effectively > breaks OP-TEE's insertion of the reserved-memory node, causing > memory access violations during runtime. > > Signed-off-by: Tomas Melin > --- > For further information about the U-Boot logic related > to this, see lib/optee/optee.c in U-Boot repository. What's the behavior with EDK2? U-Boot also have optee driver. How is it probed when you remove this node? Thanks, Michal