[PATCH 1/4] iio: adc: rcar-gyroadc: mark OF related data as maybe unused

[Krzysztof Kozlowski]

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