On Tue, Oct 02, 2018 at 11:10:47PM +0200, Arnd Bergmann wrote:
> When CONFIG_PM_SLEEP is disabled, we get a warning about unused
> suspend/resume functions:
>
> drivers/hwmon/ina3221.c:451:12: error: 'ina3221_resume' defined but not used [-Werror=unused-function]
> static int ina3221_resume(struct device *dev)
> drivers/hwmon/ina3221.c:428:12: error: 'ina3221_suspend' defined but not used [-Werror=unused-function]
> static int ina3221_suspend(struct device *dev)
>
> Picking the correct #ifdef check is hard, so let's remove
> that check and instead mark the functions as __maybe_unused
> to let the compiler silently drop them instead.
>
> Fixes: 7de1ab9dac8e ("hwmon: (ina3221) Add suspend and resume functions")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Applied to hwmon-next.
Thanks,
Guenter
> ---
> drivers/hwmon/ina3221.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c
> index 1e38b4c43fbf..8c3352910cc4 100644
> --- a/drivers/hwmon/ina3221.c
> +++ b/drivers/hwmon/ina3221.c
> @@ -424,8 +424,7 @@ static int ina3221_probe(struct i2c_client *client,
> return 0;
> }
>
> -#ifdef CONFIG_PM
> -static int ina3221_suspend(struct device *dev)
> +static int __maybe_unused ina3221_suspend(struct device *dev)
> {
> struct ina3221_data *ina = dev_get_drvdata(dev);
> int ret;
> @@ -448,7 +447,7 @@ static int ina3221_suspend(struct device *dev)
> return 0;
> }
>
> -static int ina3221_resume(struct device *dev)
> +static int __maybe_unused ina3221_resume(struct device *dev)
> {
> struct ina3221_data *ina = dev_get_drvdata(dev);
> int ret;
> @@ -474,7 +473,6 @@ static int ina3221_resume(struct device *dev)
>
> return 0;
> }
> -#endif
>
> static const struct dev_pm_ops ina3221_pm = {
> SET_SYSTEM_SLEEP_PM_OPS(ina3221_suspend, ina3221_resume)
> --
> 2.18.0
>
