12fd66651df6 ("powerpc/rtas: upgrade internal arch spinlocks")
599af4915546 ("powerpc/rtas: remove lock and args fields from global rtas struct")
5ff92e2f274d ("powerpc/rtas: unexport 'rtas' symbol")
804c0a166ffe ("powerpc/rtas: enture rtas_call is called with MMU enabled")