hwmon: (ina209) Fix build warning

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@roeck-us.net>

diff --git a/drivers/hwmon/ina209.c b/drivers/hwmon/ina209.c
index e3854463db840bb8f3c0252887569f8f7d60f245..6a4ec2f2ddb26ccef37ace5def80c28c4e1f585a 100644 (file)
--- 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" },
        { },
 };