In AmlCodeGenReturn, the cast to AML_NODE_HEADER* in the call to AmlSetFixedArgument is redundant because ReturnNode is already a AML_NODE_HEADER* . Signed-off-by: Rebecca Cran <quic_rcran@quicinc.com> Reviewed-by: Pierre Gondois <pierre.gondois@arm.com> Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>