hwmon: (tmp421) Fix build warning
The following build warning is seen if CONFIG_OF is disabled.
drivers/hwmon/tmp421.c:73:34: warning:
‘tmp421_of_match’ defined but not used
Mark tmp421_of_match as __maybe_unused to fix the problem.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c
index 2732a71..5e63010 100644
--- a/drivers/hwmon/tmp421.c
+++ b/drivers/hwmon/tmp421.c
@@ -70,7 +70,7 @@ static const struct i2c_device_id tmp421_id[] = {
};
MODULE_DEVICE_TABLE(i2c, tmp421_id);
-static const struct of_device_id tmp421_of_match[] = {
+static const struct of_device_id __maybe_unused tmp421_of_match[] = {
{
.compatible = "ti,tmp421",
.data = (void *)2