On Fri, 26 Jul 2019 14:36:16 +0800 Chuhong Yuan <hslester96@xxxxxxxxx> wrote: > Use device-managed APIs to simplify the code. > The remove function is redundant now and can > be deleted. > > Signed-off-by: Chuhong Yuan <hslester96@xxxxxxxxx> Applied, with a similar change to the other patches I modified earlier. Applied to the togreg branch of iio.git and pushed out as testing for the autobuilders to play with it. Thanks, Jonathan > --- > drivers/iio/accel/mxc4005.c | 35 +++++++---------------------------- > 1 file changed, 7 insertions(+), 28 deletions(-) > > diff --git a/drivers/iio/accel/mxc4005.c b/drivers/iio/accel/mxc4005.c > index 637e6e676061..d8b999023ef2 100644 > --- a/drivers/iio/accel/mxc4005.c > +++ b/drivers/iio/accel/mxc4005.c > @@ -424,7 +424,7 @@ static int mxc4005_probe(struct i2c_client *client, > indio_dev->modes = INDIO_DIRECT_MODE; > indio_dev->info = &mxc4005_info; > > - ret = iio_triggered_buffer_setup(indio_dev, > + ret = devm_iio_triggered_buffer_setup(&client->dev, indio_dev, > iio_pollfunc_store_time, > mxc4005_trigger_handler, > NULL); > @@ -452,7 +452,7 @@ static int mxc4005_probe(struct i2c_client *client, > if (ret) { > dev_err(&client->dev, > "failed to init threaded irq\n"); > - goto err_buffer_cleanup; > + return ret; > } > > data->dready_trig->dev.parent = &client->dev; > @@ -460,43 +460,23 @@ static int mxc4005_probe(struct i2c_client *client, > iio_trigger_set_drvdata(data->dready_trig, indio_dev); > indio_dev->trig = data->dready_trig; > iio_trigger_get(indio_dev->trig); > - ret = iio_trigger_register(data->dready_trig); > + ret = devm_iio_trigger_register(&client->dev, > + data->dready_trig); > if (ret) { > dev_err(&client->dev, > "failed to register trigger\n"); > - goto err_trigger_unregister; > + return ret; > } > } > > - ret = iio_device_register(indio_dev); > + ret = devm_iio_device_register(&client->dev, indio_dev); > if (ret < 0) { > dev_err(&client->dev, > "unable to register iio device %d\n", ret); > - goto err_buffer_cleanup; > + return ret; I dropped the print out and tidied this up as return devm_iio_device_register(); > } > > return 0; > - > -err_trigger_unregister: > - iio_trigger_unregister(data->dready_trig); > -err_buffer_cleanup: > - iio_triggered_buffer_cleanup(indio_dev); > - > - return ret; > -} > - > -static int mxc4005_remove(struct i2c_client *client) > -{ > - struct iio_dev *indio_dev = i2c_get_clientdata(client); > - struct mxc4005_data *data = iio_priv(indio_dev); > - > - iio_device_unregister(indio_dev); > - > - iio_triggered_buffer_cleanup(indio_dev); > - if (data->dready_trig) > - iio_trigger_unregister(data->dready_trig); > - > - return 0; > } > > static const struct acpi_device_id mxc4005_acpi_match[] = { > @@ -517,7 +497,6 @@ static struct i2c_driver mxc4005_driver = { > .acpi_match_table = ACPI_PTR(mxc4005_acpi_match), > }, > .probe = mxc4005_probe, > - .remove = mxc4005_remove, > .id_table = mxc4005_id, > }; >