Current adg.c doesn't assume that requested clock out divide condition
doesn't match. In such case, it will indicate strange message, and will
register NULL clock, etc. It is just a DT setting miss, but is
confusable. This patch check all conditions for it.
Reported-by: Vincenzo De Michele <vincenzo.michele@davinci.de>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87lee2zlf7.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>