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iio: adis16480: Use Managed device functions 

Use the adis managed device functions to setup the buffer and the trigger.
The ultimate goal will be to completely drop the non devm version from
the lib.

Since we are here, drop the `.remove` callback by further using devm
functions.

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20200915120258.161587-8-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Nuno Sá 2020-09-15 14:02:55 +02:00 committed by Jonathan Cameron
parent fa623cddc0
commit 514f641b3b
1 changed files with 25 additions and 30 deletions
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55
drivers/iio/imu/adis16480.c
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@ -1212,6 +1212,16 @@ static int adis16480_get_ext_clocks(struct adis16480 *st)
return 0;
}
static void adis16480_stop(void *data)
{
adis16480_stop_device(data);
}
static void adis16480_clk_disable(void *data)
{
clk_disable_unprepare(data);
}
static int adis16480_probe(struct spi_device *spi)
{
const struct spi_device_id *id = spi_get_device_id(spi);
@ -1245,18 +1255,26 @@ static int adis16480_probe(struct spi_device *spi)
if (ret)
return ret;
ret = devm_add_action_or_reset(&spi->dev, adis16480_stop, indio_dev);
if (ret)
return ret;
ret = adis16480_config_irq_pin(spi->dev.of_node, st);
if (ret)
goto error_stop_device;
return ret;
ret = adis16480_get_ext_clocks(st);
if (ret)
goto error_stop_device;
return ret;
if (!IS_ERR_OR_NULL(st->ext_clk)) {
ret = adis16480_ext_clk_config(st, spi->dev.of_node, true);
if (ret)
goto error_stop_device;
return ret;
ret = devm_add_action_or_reset(&spi->dev, adis16480_clk_disable, st->ext_clk);
if (ret)
return ret;
st->clk_freq = clk_get_rate(st->ext_clk);
st->clk_freq *= 1000; /* micro */
@ -1264,38 +1282,16 @@ static int adis16480_probe(struct spi_device *spi)
st->clk_freq = st->chip_info->int_clk;
}
ret = adis_setup_buffer_and_trigger(&st->adis, indio_dev, NULL);
ret = devm_adis_setup_buffer_and_trigger(&st->adis, indio_dev, NULL);
if (ret)
goto error_clk_disable_unprepare;
return ret;
ret = iio_device_register(indio_dev);
ret = devm_iio_device_register(&spi->dev, indio_dev);
if (ret)
goto error_cleanup_buffer;
return ret;
adis16480_debugfs_init(indio_dev);
return 0;
error_cleanup_buffer:
adis_cleanup_buffer_and_trigger(&st->adis, indio_dev);
error_clk_disable_unprepare:
clk_disable_unprepare(st->ext_clk);
error_stop_device:
adis16480_stop_device(indio_dev);
return ret;
}
static int adis16480_remove(struct spi_device *spi)
{
struct iio_dev *indio_dev = spi_get_drvdata(spi);
struct adis16480 *st = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
adis16480_stop_device(indio_dev);
adis_cleanup_buffer_and_trigger(&st->adis, indio_dev);
clk_disable_unprepare(st->ext_clk);
return 0;
}
@ -1338,7 +1334,6 @@ static struct spi_driver adis16480_driver = {
},
.id_table = adis16480_ids,
.probe = adis16480_probe,
.remove = adis16480_remove,
};
module_spi_driver(adis16480_driver);