[RFC PATCH] hwmon: tmp421_disable_channels() can be static

[kernel test robot <lkp@xxxxxxxxx>]

drivers/hwmon/tmp421.c:356:6: warning: symbol 'tmp421_disable_channels' was not declared. Should it be static?

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---
 tmp421.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c
index cec25fb1c7719..162798f7491d9 100644
--- a/drivers/hwmon/tmp421.c
+++ b/drivers/hwmon/tmp421.c
@@ -353,7 +353,7 @@ void tmp421_probe_from_dt(struct i2c_client *client, struct tmp421_data *data)
 	}
 }
 
-void tmp421_disable_channels(struct i2c_client *client, uint8_t mask)
+static void tmp421_disable_channels(struct i2c_client *client, uint8_t mask)
 {
 	int err;
 	int cfg = i2c_smbus_read_byte_data(client, TMP421_CONFIG_REG_2);