On Mon, Aug 23, 2021 at 1:22 PM Alexandru Ardelean <aardelean@xxxxxxxxxxx> wrote: > This change converts the st_sensors_power_enable() function to use > devm_add_action_or_reset() handlers to register regulator_disable hooks for > when the drivers get unloaded. > > The parent device of the IIO device object is used. This is based on the > assumption that all other devm_ calls in the ST sensors use this reference. > > This makes the st_sensors_power_disable() un-needed. > Removing this also changes unload order a bit, as all ST drivers would call > st_sensors_power_disable() first and iio_device_unregister() after that. > > Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > Signed-off-by: Alexandru Ardelean <aardelean@xxxxxxxxxxx> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> We should at some point add proper runtime PM to the ST sensors (cf drivers/iio/gyro/mpu3050-core.c) but that can certainly be built on top of this patch. Yours, Linus Walleij