From 6e4707ed3411d0cb3c1d9a0a093f77fbdf768fa5 Mon Sep 17 00:00:00 2001 From: Chuhong Yuan Date: Fri, 26 Jul 2019 14:36:16 +0800 Subject: [PATCH] iio: mxc4005: Use device-managed APIs Use device-managed APIs to simplify the code. The remove function is redundant now and can be deleted. Signed-off-by: Chuhong Yuan Signed-off-by: Jonathan Cameron --- drivers/iio/accel/mxc4005.c | 40 ++++++------------------------------- 1 file changed, 6 insertions(+), 34 deletions(-) diff --git a/drivers/iio/accel/mxc4005.c b/drivers/iio/accel/mxc4005.c index 637e6e676061..3d5bea651923 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 +460,16 @@ 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); - if (ret < 0) { - dev_err(&client->dev, - "unable to register iio device %d\n", ret); - goto err_buffer_cleanup; - } - - 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; + return devm_iio_device_register(&client->dev, indio_dev); } static const struct acpi_device_id mxc4005_acpi_match[] = { @@ -517,7 +490,6 @@ static struct i2c_driver mxc4005_driver = { .acpi_match_table = ACPI_PTR(mxc4005_acpi_match), }, .probe = mxc4005_probe, - .remove = mxc4005_remove, .id_table = mxc4005_id, };