hwmon: (max6650) Fix build warning

If CONFIG_OF is not enabled, the following build warning is observed.

drivers/hwmon/max6650.c:137:34: warning:
	‘max6650_dt_match’ defined but not used

Mark max6650_dt_match as __maybe_unused to fix the problem.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c
index 61135a2..95b2346 100644 (file)
--- a/drivers/hwmon/max6650.c
+++ b/drivers/hwmon/max6650.c
@@ -134,7 +134,7 @@ static const u8 tach_reg[] = {
        MAX6650_REG_TACH3,
 };
 
-static const struct of_device_id max6650_dt_match[] = {
+static const struct of_device_id __maybe_unused max6650_dt_match[] = {
        {
                .compatible = "maxim,max6650",
                .data = (void *)1