[PATCH 1/2] hwmon: gpio-fan: mark OF related data as maybe unused

[Krzysztof Kozlowski]

The driver can be compile tested with !CONFIG_OF making certain data
unused:

  drivers/hwmon/gpio-fan.c:484:34: error: ‘of_gpio_fan_match’ defined but not used [-Werror=unused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
 drivers/hwmon/gpio-fan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index e75db6f64e8c..be7f06fb7f78 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -481,7 +481,7 @@ static int gpio_fan_get_of_data(struct gpio_fan_data *fan_data)
 	return 0;
 }
 
-static const struct of_device_id of_gpio_fan_match[] = {
+static const struct of_device_id of_gpio_fan_match[] __maybe_unused = {
 	{ .compatible = "gpio-fan", },
 	{},
 };
-- 
2.34.1