[PATCH] iio: accel: da280: convert probe to device-managed functions

From: Alexandru Ardelean
Date: Mon Jun 28 2021 - 10:17:36 EST


This is another simple conversion to device-managed functions, requiring
the use of devm_iio_device_register() and moving the disabling of the
device on a devm_add_action_or_reset() hook.

The i2c_set_clientdata() can be removed, as the PM functions can work with
just the device object, to obtain the i2c_client object.

Signed-off-by: Alexandru Ardelean <aardelean@xxxxxxxxxxx>
---
drivers/iio/accel/da280.c | 26 +++++++++-----------------
1 file changed, 9 insertions(+), 17 deletions(-)

diff --git a/drivers/iio/accel/da280.c b/drivers/iio/accel/da280.c
index 5edff9ba72da..9633bdae5fd4 100644
--- a/drivers/iio/accel/da280.c
+++ b/drivers/iio/accel/da280.c
@@ -100,6 +100,11 @@ static enum da280_chipset da280_match_acpi_device(struct device *dev)
return (enum da280_chipset) id->driver_data;
}

+static void da280_disable(void *client)
+{
+ da280_enable(client, false);
+}
+
static int da280_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -118,7 +123,6 @@ static int da280_probe(struct i2c_client *client,

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

indio_dev->info = &da280_info;
indio_dev->modes = INDIO_DIRECT_MODE;
@@ -142,22 +146,11 @@ static int da280_probe(struct i2c_client *client,
if (ret < 0)
return ret;

- ret = iio_device_register(indio_dev);
- if (ret < 0) {
- dev_err(&client->dev, "device_register failed\n");
- da280_enable(client, false);
- }
-
- return ret;
-}
-
-static int da280_remove(struct i2c_client *client)
-{
- struct iio_dev *indio_dev = i2c_get_clientdata(client);
-
- iio_device_unregister(indio_dev);
+ ret = devm_add_action_or_reset(&client->dev, da280_disable, client);
+ if (ret)
+ return ret;

- return da280_enable(client, false);
+ return devm_iio_device_register(&client->dev, indio_dev);
}

#ifdef CONFIG_PM_SLEEP
@@ -194,7 +187,6 @@ static struct i2c_driver da280_driver = {
.pm = &da280_pm_ops,
},
.probe = da280_probe,
- .remove = da280_remove,
.id_table = da280_i2c_id,
};

--
2.31.1