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Subject[PATCH] iio: humidity: Use device-managed APIs
Date
Use device-managed APIs to simplify the code.
The remove functions are redundant now and can
be deleted.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
---
drivers/iio/humidity/am2315.c | 21 ++++-----------------
drivers/iio/humidity/hdc100x.c | 18 ++++--------------
2 files changed, 8 insertions(+), 31 deletions(-)

diff --git a/drivers/iio/humidity/am2315.c b/drivers/iio/humidity/am2315.c
index f18da7859229..038638e92f4a 100644
--- a/drivers/iio/humidity/am2315.c
+++ b/drivers/iio/humidity/am2315.c
@@ -240,32 +240,20 @@ static int am2315_probe(struct i2c_client *client,
indio_dev->channels = am2315_channels;
indio_dev->num_channels = ARRAY_SIZE(am2315_channels);

- ret = iio_triggered_buffer_setup(indio_dev, iio_pollfunc_store_time,
+ ret = devm_iio_triggered_buffer_setup(&client->dev,
+ indio_dev, iio_pollfunc_store_time,
am2315_trigger_handler, NULL);
if (ret < 0) {
dev_err(&client->dev, "iio triggered buffer setup failed\n");
return ret;
}

- ret = iio_device_register(indio_dev);
+ ret = devm_iio_device_register(&client->dev, indio_dev);
if (ret < 0)
- goto err_buffer_cleanup;
+ return ret;

return 0;

-err_buffer_cleanup:
- iio_triggered_buffer_cleanup(indio_dev);
- return ret;
-}
-
-static int am2315_remove(struct i2c_client *client)
-{
- struct iio_dev *indio_dev = i2c_get_clientdata(client);
-
- iio_device_unregister(indio_dev);
- iio_triggered_buffer_cleanup(indio_dev);
-
- return 0;
}

static const struct i2c_device_id am2315_i2c_id[] = {
@@ -287,7 +275,6 @@ static struct i2c_driver am2315_driver = {
.acpi_match_table = ACPI_PTR(am2315_acpi_id),
},
.probe = am2315_probe,
- .remove = am2315_remove,
.id_table = am2315_i2c_id,
};

diff --git a/drivers/iio/humidity/hdc100x.c b/drivers/iio/humidity/hdc100x.c
index 066e05f92081..5186fd9bfdc5 100644
--- a/drivers/iio/humidity/hdc100x.c
+++ b/drivers/iio/humidity/hdc100x.c
@@ -385,26 +385,17 @@ static int hdc100x_probe(struct i2c_client *client,
hdc100x_set_it_time(data, 1, hdc100x_int_time[1][0]);
hdc100x_update_config(data, HDC100X_REG_CONFIG_ACQ_MODE, 0);

- ret = iio_triggered_buffer_setup(indio_dev, NULL,
+ ret = devm_iio_triggered_buffer_setup(&client->dev,
+ indio_dev, NULL,
hdc100x_trigger_handler,
&hdc_buffer_setup_ops);
if (ret < 0) {
dev_err(&client->dev, "iio triggered buffer setup failed\n");
return ret;
}
- ret = iio_device_register(indio_dev);
+ ret = devm_iio_device_register(&client->dev, indio_dev);
if (ret < 0)
- iio_triggered_buffer_cleanup(indio_dev);
-
- return ret;
-}
-
-static int hdc100x_remove(struct i2c_client *client)
-{
- struct iio_dev *indio_dev = i2c_get_clientdata(client);
-
- iio_device_unregister(indio_dev);
- iio_triggered_buffer_cleanup(indio_dev);
+ return ret;

return 0;
}
@@ -436,7 +427,6 @@ static struct i2c_driver hdc100x_driver = {
.of_match_table = of_match_ptr(hdc100x_dt_ids),
},
.probe = hdc100x_probe,
- .remove = hdc100x_remove,
.id_table = hdc100x_id,
};
module_i2c_driver(hdc100x_driver);
--
2.20.1
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