On Fri, 2 Sept 2022 at 20:39, Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > > On Fri, Sep 2, 2022 at 8:59 PM Crt Mori <cmo@xxxxxxxxxxx> wrote: > > On Fri, 2 Sept 2022 at 17:28, Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > > > On Fri, Sep 2, 2022 at 4:13 PM <cmo@xxxxxxxxxxx> wrote: > > > > + if (current_powerstatus == MLX90632_PWR_STATUS_SLEEP_STEP) > > > > + return mlx90632_pwr_set_sleep_step(data->regmap); > > > > > > > + else > > > > > > Redundant. > > > > > No, the powermode changes among the type. > > Yes. 'else' keyword is always redundant in the > > if (...) > return / break / continue / goto > else > > cases. > In this case current power mode of the sensor is halt, so the else is needed to set it to continuous mode, which means I can't just remove the else here because this statement restores the power mode before this function was entered (and changed powermode for the setup). > > > > + return mlx90632_pwr_continuous(data->regmap); > > ... > > > > > +static int __maybe_unused mlx90632_pm_runtime_suspend(struct device *dev) > > > > > > No __maybe_unused, use pm_ptr() / pm_sleep_ptr() below. > > > > > Care to explain a bit more about this? I just followed what other > > drivers have... > > And other drivers have what I said, but it's a new feature. > If you run `git log --no-merges --grep 'pm_ptr' -- drivers/iio > include/linux/` and read the history it will explain the case. > Thanks for the hint.