The driver can be compile tested with !CONFIG_OF making certain data unused: drivers/crypto/atmel-sha204a.c:129:34: error: ‘atmel_sha204a_dt_ids’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/crypto/atmel-sha204a.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/atmel-sha204a.c b/drivers/crypto/atmel-sha204a.c index 4403dbb0f0b1..44a185a84760 100644 --- a/drivers/crypto/atmel-sha204a.c +++ b/drivers/crypto/atmel-sha204a.c @@ -126,7 +126,7 @@ static void atmel_sha204a_remove(struct i2c_client *client) kfree((void *)i2c_priv->hwrng.priv); } -static const struct of_device_id atmel_sha204a_dt_ids[] = { +static const struct of_device_id atmel_sha204a_dt_ids[] __maybe_unused = { { .compatible = "atmel,atsha204", }, { .compatible = "atmel,atsha204a", }, { /* sentinel */ } -- 2.34.1