The driver can be compile tested with !CONFIG_OF making certain data unused: sound/soc/codecs/es7241.c:206:33: warning: ‘es7241_chip’ defined but not used [-Wunused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> --- sound/soc/codecs/es7241.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/es7241.c b/sound/soc/codecs/es7241.c index 87991bd4acef..2344a0b03518 100644 --- a/sound/soc/codecs/es7241.c +++ b/sound/soc/codecs/es7241.c @@ -203,7 +203,7 @@ static const struct es7241_clock_mode es7241_modes[] = { }, }; -static const struct es7241_chip es7241_chip = { +static const struct es7241_chip es7241_chip __maybe_unused = { .modes = es7241_modes, .mode_num = ARRAY_SIZE(es7241_modes), }; -- 2.25.1