Hello Andy, On Mon, Mar 21, 2022 at 10:30:26AM +0200, Andy Shevchenko wrote: > On Sat, Mar 19, 2022 at 8:10 PM Jagath Jog J <jagathjog1996@xxxxxxxxx> wrote: > > > > This is a conversion to device-managed by using devm_iio_device_register > > inside probe function, now disabling the regulator and putting bma400 to > > power down via a devm_add_action_or_reset() hook. > > > > The dev_set_drvdata() call, bma400_remove() function and hooks in the I2C > > and SPI driver struct is removed as devm_iio_device_register function is > > used to automatically unregister on driver detach. > > ... > > > +static void bma400_disable(void *data_ptr) > > +{ > > + struct bma400_data *data = data_ptr; > > + int ret; > > > + ret = bma400_set_power_mode(data, POWER_MODE_SLEEP); > > + if (ret) > > + dev_warn(data->dev, "Failed to put device into sleep mode (%pe)\n", > > + ERR_PTR(ret)); > > By what reason did you remove mutex around this call? > > > + regulator_bulk_disable(ARRAY_SIZE(data->regulators), data->regulators); > > +} Sorry my mistake, I missed this. I will include the mutex calls in next patch version. > > > > -- > With Best Regards, > Andy Shevchenko