Now no simple/audio cards are using legacy dai_link style for platform.
Let's remove compatible code.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link)
 {
        /* Assumes platform == cpu */
-       if (dai_link->platform) {
-               if (!dai_link->platform->of_node)
-                       dai_link->platform->of_node = dai_link->cpu_of_node;
-       } else {
-               if (!dai_link->platform_of_node)
-                       dai_link->platform_of_node = dai_link->cpu_of_node;
-       }
+       if (!dai_link->platform->of_node)
+               dai_link->platform->of_node = dai_link->cpu_of_node;
+
        return 0;
 
 }