ASoC: kirkwood: armada-370-db: mark OF related data as maybe unused

The driver can be compile tested with !CONFIG_OF making certain data
unused:

  sound/soc/kirkwood/armada-370-db.c:137:34: warning: ‘a370db_dt_ids’ defined but not used [-Wunused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201125164452.89239-8-krzk@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/kirkwood/armada-370-db.c b/sound/soc/kirkwood/armada-370-db.c
index 8e44ae3..8132642 100644 (file)
--- a/sound/soc/kirkwood/armada-370-db.c
+++ b/sound/soc/kirkwood/armada-370-db.c
@@ -134,7 +134,7 @@ static int a370db_probe(struct platform_device *pdev)
        return devm_snd_soc_register_card(card->dev, card);
 }
 
-static const struct of_device_id a370db_dt_ids[] = {
+static const struct of_device_id a370db_dt_ids[] __maybe_unused = {
        { .compatible = "marvell,a370db-audio" },
        { },
 };