If CONFIG_OF is not enabled, the following build warning is observed. drivers/hwmon/ina209.c:590:34: warning: ‘ina209_of_match’ defined but not used Mark ina209_of_match as __maybe_unused to fix the problem. Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- drivers/hwmon/ina209.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/ina209.c b/drivers/hwmon/ina209.c index e3854463db84..6a4ec2f2ddb2 100644 --- a/drivers/hwmon/ina209.c +++ b/drivers/hwmon/ina209.c @@ -587,7 +587,7 @@ static const struct i2c_device_id ina209_id[] = { }; MODULE_DEVICE_TABLE(i2c, ina209_id); -static const struct of_device_id ina209_of_match[] = { +static const struct of_device_id __maybe_unused ina209_of_match[] = { { .compatible = "ti,ina209" }, { }, }; -- 2.7.4