The driver can be compile tested with !CONFIG_OF making certain data unused: sound/soc/codecs/rk3328_codec.c:502:34: warning: ‘rk3328_codec_of_match’ defined but not used [-Wunused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> --- sound/soc/codecs/rk3328_codec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/rk3328_codec.c b/sound/soc/codecs/rk3328_codec.c index 940a2fa933ed..bfefefcc76d8 100644 --- a/sound/soc/codecs/rk3328_codec.c +++ b/sound/soc/codecs/rk3328_codec.c @@ -499,7 +499,7 @@ static int rk3328_platform_probe(struct platform_device *pdev) ARRAY_SIZE(rk3328_dai)); } -static const struct of_device_id rk3328_codec_of_match[] = { +static const struct of_device_id rk3328_codec_of_match[] __maybe_unused = { { .compatible = "rockchip,rk3328-codec", }, {}, }; -- 2.25.1