drivers/hwmon/tmp421.c:356:6: warning: symbol 'tmp421_disable_channels' was not declared. Should it be static? Reported-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- 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);