The driver can be compile tested with !CONFIG_OF making certain data unused: sound/soc/codecs/gtm601.c:90:34: warning: ‘gtm601_codec_of_match’ defined but not used [-Wunused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> --- sound/soc/codecs/gtm601.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/gtm601.c b/sound/soc/codecs/gtm601.c index ae9e1c70ca57..e1235e695b0f 100644 --- a/sound/soc/codecs/gtm601.c +++ b/sound/soc/codecs/gtm601.c @@ -87,7 +87,7 @@ static int gtm601_platform_probe(struct platform_device *pdev) (struct snd_soc_dai_driver *)dai_driver, 1); } -static const struct of_device_id gtm601_codec_of_match[] = { +static const struct of_device_id gtm601_codec_of_match[] __maybe_unused = { { .compatible = "option,gtm601", .data = (void *)>m601_dai }, { .compatible = "broadmobi,bm818", .data = (void *)&bm818_dai }, {}, -- 2.25.1