The driver can be compile tested with !CONFIG_OF making certain data unused: sound/soc/codecs/tas571x.c:892:34: warning: ‘tas571x_of_match’ defined but not used [-Wunused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> --- sound/soc/codecs/tas571x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/tas571x.c b/sound/soc/codecs/tas571x.c index 835a723ce5bc..a3e682376946 100644 --- a/sound/soc/codecs/tas571x.c +++ b/sound/soc/codecs/tas571x.c @@ -773,7 +773,7 @@ static struct snd_soc_dai_driver tas571x_dai = { .ops = &tas571x_dai_ops, }; -static const struct of_device_id tas571x_of_match[]; +static const struct of_device_id tas571x_of_match[] __maybe_unused; static int tas571x_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) @@ -889,7 +889,7 @@ static int tas571x_i2c_remove(struct i2c_client *client) return 0; } -static const struct of_device_id tas571x_of_match[] = { +static const struct of_device_id tas571x_of_match[] __maybe_unused = { { .compatible = "ti,tas5707", .data = &tas5707_chip, }, { .compatible = "ti,tas5711", .data = &tas5711_chip, }, { .compatible = "ti,tas5717", .data = &tas5717_chip, }, -- 2.25.1