The driver can be compile tested with !CONFIG_OF making certain data unused: drivers/regulator/mp8859.c:132:34: error: ‘mp8859_dt_id’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/regulator/mp8859.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/regulator/mp8859.c b/drivers/regulator/mp8859.c index f2300714d5a9..f893dadf2abb 100644 --- a/drivers/regulator/mp8859.c +++ b/drivers/regulator/mp8859.c @@ -129,7 +129,7 @@ static int mp8859_i2c_probe(struct i2c_client *i2c) return 0; } -static const struct of_device_id mp8859_dt_id[] = { +static const struct of_device_id mp8859_dt_id[] __maybe_unused = { {.compatible = "mps,mp8859"}, {}, }; -- 2.34.1