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@xxxxxxxxxx> --- sound/soc/kirkwood/armada-370-db.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/kirkwood/armada-370-db.c b/sound/soc/kirkwood/armada-370-db.c index 8e44ae37ad1e..81326426da33 100644 --- 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" }, { }, }; -- 2.25.1