This will allow device drivers to consistently use io{read,write}XX
also for 64-bit accesses.
Acked-by: NMichael Ellerman <mpe@ellerman.id.au>
Signed-off-by: NHoria Geantă <horia.geanta@nxp.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>