The driver can be compile tested with !CONFIG_OF making certain data unused: drivers/iio/adc/rcar-gyroadc.c:286:34: error: ‘rcar_gyroadc_child_match’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/iio/adc/rcar-gyroadc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/rcar-gyroadc.c b/drivers/iio/adc/rcar-gyroadc.c index 27d9e147b4b7..b8972f673c9d 100644 --- a/drivers/iio/adc/rcar-gyroadc.c +++ b/drivers/iio/adc/rcar-gyroadc.c @@ -283,7 +283,7 @@ static const struct of_device_id rcar_gyroadc_match[] = { MODULE_DEVICE_TABLE(of, rcar_gyroadc_match); -static const struct of_device_id rcar_gyroadc_child_match[] = { +static const struct of_device_id rcar_gyroadc_child_match[] __maybe_unused = { /* Mode 1 ADCs */ { .compatible = "fujitsu,mb88101a", -- 2.34.1