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/alc5623.c:1071:34: warning: ‘alc5623_of_match’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Krzysztof Kozlowski krzk@kernel.org --- sound/soc/codecs/alc5623.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/sound/soc/codecs/alc5623.c b/sound/soc/codecs/alc5623.c index 3d1761a531f5..54f489837162 100644 --- a/sound/soc/codecs/alc5623.c +++ b/sound/soc/codecs/alc5623.c @@ -1068,11 +1068,13 @@ static const struct i2c_device_id alc5623_i2c_table[] = { }; MODULE_DEVICE_TABLE(i2c, alc5623_i2c_table);
+#ifdef CONFIG_OF static const struct of_device_id alc5623_of_match[] = { { .compatible = "realtek,alc5623", }, { } }; MODULE_DEVICE_TABLE(of, alc5623_of_match); +#endif
/* i2c codec control layer */ static struct i2c_driver alc5623_i2c_driver = {