[PATCH v2 2/2] iio: light: adjd_s311: convert probe to device-managed functions

From: Alexandru Ardelean
Date: Mon Jul 05 2021 - 03:15:16 EST


Now that the driver's buffer is stored on the adjd_s311_data private
object, the driver is a simple conversion to use only device-managed
functions in the probe.

The iio_triggered_buffer_setup() and iio_device_register() functions are
the only ones needing conversion.
And i2c_set_clientdata() is no longer required.

Signed-off-by: Alexandru Ardelean <aardelean@xxxxxxxxxxx>
---
drivers/iio/light/adjd_s311.c | 28 +++-------------------------
1 file changed, 3 insertions(+), 25 deletions(-)

diff --git a/drivers/iio/light/adjd_s311.c b/drivers/iio/light/adjd_s311.c
index caf852554897..6b33975c8d73 100644
--- a/drivers/iio/light/adjd_s311.c
+++ b/drivers/iio/light/adjd_s311.c
@@ -245,7 +245,6 @@ static int adjd_s311_probe(struct i2c_client *client,
return -ENOMEM;

data = iio_priv(indio_dev);
- i2c_set_clientdata(client, indio_dev);
data->client = client;

indio_dev->info = &adjd_s311_info;
@@ -254,32 +253,12 @@ static int adjd_s311_probe(struct i2c_client *client,
indio_dev->num_channels = ARRAY_SIZE(adjd_s311_channels);
indio_dev->modes = INDIO_DIRECT_MODE;

- err = iio_triggered_buffer_setup(indio_dev, NULL,
- adjd_s311_trigger_handler, NULL);
+ err = devm_iio_triggered_buffer_setup(&client->dev, indio_dev, NULL,
+ adjd_s311_trigger_handler, NULL);
if (err < 0)
return err;

- err = iio_device_register(indio_dev);
- if (err)
- goto exit_unreg_buffer;
-
- dev_info(&client->dev, "ADJD-S311 color sensor registered\n");
-
- return 0;
-
-exit_unreg_buffer:
- iio_triggered_buffer_cleanup(indio_dev);
- return err;
-}
-
-static int adjd_s311_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;
+ return devm_iio_device_register(&client->dev, indio_dev);
}

static const struct i2c_device_id adjd_s311_id[] = {
@@ -293,7 +272,6 @@ static struct i2c_driver adjd_s311_driver = {
.name = ADJD_S311_DRV_NAME,
},
.probe = adjd_s311_probe,
- .remove = adjd_s311_remove,
.id_table = adjd_s311_id,
};
module_i2c_driver(adjd_s311_driver);
--
2.31.1