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/ak4118.c:407:34: warning: ‘ak4118_of_match’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Krzysztof Kozlowski krzk@kernel.org --- sound/soc/codecs/ak4118.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/sound/soc/codecs/ak4118.c b/sound/soc/codecs/ak4118.c index f44d9a4a8507..5d46ae85566c 100644 --- a/sound/soc/codecs/ak4118.c +++ b/sound/soc/codecs/ak4118.c @@ -404,11 +404,13 @@ static int ak4118_i2c_probe(struct i2c_client *i2c, &soc_component_drv_ak4118, &ak4118_dai, 1); }
+#ifdef CONFIG_OF static const struct of_device_id ak4118_of_match[] = { { .compatible = "asahi-kasei,ak4118", }, {} }; MODULE_DEVICE_TABLE(of, ak4118_of_match); +#endif
static const struct i2c_device_id ak4118_id_table[] = { { "ak4118", 0 },