The driver can match by multiple methods. Its of_device_id table is referenced via of_match_ptr() so it will be unused for !CONFIG_OF builds:
sound/soc/codecs/tlv320aic23-i2c.c:38:34: warning: ‘tlv320aic23_of_match’ defined but not used [-Wunused-const-variable=] sound/soc/codecs/tlv320adcx140.c:1076:34: warning: ‘tlv320adcx140_of_match’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Krzysztof Kozlowski krzk@kernel.org --- sound/soc/codecs/tlv320adcx140.c | 2 ++ sound/soc/codecs/tlv320aic23-i2c.c | 2 ++ 2 files changed, 4 insertions(+)
diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 53a80246aee1..3f027c8234a6 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -1073,6 +1073,7 @@ static struct snd_soc_dai_driver adcx140_dai_driver[] = { } };
+#ifdef CONFIG_OF static const struct of_device_id tlv320adcx140_of_match[] = { { .compatible = "ti,tlv320adc3140" }, { .compatible = "ti,tlv320adc5140" }, @@ -1080,6 +1081,7 @@ static const struct of_device_id tlv320adcx140_of_match[] = { {}, }; MODULE_DEVICE_TABLE(of, tlv320adcx140_of_match); +#endif
static int adcx140_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) diff --git a/sound/soc/codecs/tlv320aic23-i2c.c b/sound/soc/codecs/tlv320aic23-i2c.c index 5025e5c43783..dbb8f969274c 100644 --- a/sound/soc/codecs/tlv320aic23-i2c.c +++ b/sound/soc/codecs/tlv320aic23-i2c.c @@ -35,11 +35,13 @@ static const struct i2c_device_id tlv320aic23_id[] = {
MODULE_DEVICE_TABLE(i2c, tlv320aic23_id);
+#ifdef CONFIG_OF static const struct of_device_id tlv320aic23_of_match[] = { { .compatible = "ti,tlv320aic23", }, { } }; MODULE_DEVICE_TABLE(of, tlv320aic23_of_match); +#endif
static struct i2c_driver tlv320aic23_i2c_driver = { .driver = {