On Mon, Jun 17, 2019 at 02:34:30PM +0200, Arnd Bergmann wrote:
> The newly added variable is only used in an #if block:
>
> drivers/hwmon/max6650.c: In function 'max6650_probe':
> drivers/hwmon/max6650.c:766:33: error: unused variable 'cooling_dev'
> [-Werror=unused-variable]
>
> Change the #if to if() so the compiler can see what is actually
> going on.
>
> Fixes: a8463754a5a9 ("hwmon: (max6650) Use devm function to register thermal
> device")
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
Applied.
Thanks,
Guenter
> ---
> drivers/hwmon/max6650.c | 19 +++++++++----------
> 1 file changed, 9 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c
> index 5fdad4645cca..3d9d371c35b5 100644
> --- a/drivers/hwmon/max6650.c
> +++ b/drivers/hwmon/max6650.c
> @@ -467,8 +467,6 @@ static int max6650_init_client(struct max6650_data *data,
> return 0;
> }
>
> -#if IS_ENABLED(CONFIG_THERMAL)
> -
> static int max6650_get_max_state(struct thermal_cooling_device *cdev,
> unsigned long *state)
> {
> @@ -517,7 +515,6 @@ static const struct thermal_cooling_device_ops
> max6650_cooling_ops = {
> .get_cur_state = max6650_get_cur_state,
> .set_cur_state = max6650_set_cur_state,
> };
> -#endif
>
> static int max6650_read(struct device *dev, enum hwmon_sensor_types type,
> u32 attr, int channel, long *val)
> @@ -795,14 +792,16 @@ static int max6650_probe(struct i2c_client *client,
> if (err)
> return err;
>
> -#if IS_ENABLED(CONFIG_THERMAL)
> - cooling_dev = devm_thermal_of_cooling_device_register(dev, dev->of_node,
> - client->name, data, &max6650_cooling_ops);
> - if (IS_ERR(cooling_dev)) {
> - dev_warn(dev, "thermal cooling device register failed: %ld\n",
> - PTR_ERR(cooling_dev));
> + if (IS_ENABLED(CONFIG_THERMAL)) {
> + cooling_dev = devm_thermal_of_cooling_device_register(dev,
> + dev->of_node, client->name,
> + data, &max6650_cooling_ops);
> + if (IS_ERR(cooling_dev)) {
> + dev_warn(dev, "thermal cooling device register failed:
> %ld\n",
> + PTR_ERR(cooling_dev));
> + }
> }
> -#endif
> +
> return 0;
> }
>
