This is a conversion to device-managed by using devm_iio_device_register inside probe function, now disabling the regulator and putting bma400 to power down via a devm_add_action_or_reset() hook. The dev_set_drvdata() call, bma400_remove() function and hooks in the I2C and SPI driver struct is removed as devm_iio_device_register function is used to automatically unregister on driver detach. Signed-off-by: Jagath Jog J <jagathjog1996@xxxxxxxxx> --- drivers/iio/accel/bma400.h | 2 -- drivers/iio/accel/bma400_core.c | 39 ++++++++++++++------------------- drivers/iio/accel/bma400_i2c.c | 8 ------- drivers/iio/accel/bma400_spi.c | 8 ------- 4 files changed, 17 insertions(+), 40 deletions(-) diff --git a/drivers/iio/accel/bma400.h b/drivers/iio/accel/bma400.h index c4c8d74155c2..e938da5a57b4 100644 --- a/drivers/iio/accel/bma400.h +++ b/drivers/iio/accel/bma400.h @@ -94,6 +94,4 @@ extern const struct regmap_config bma400_regmap_config; int bma400_probe(struct device *dev, struct regmap *regmap, const char *name); -void bma400_remove(struct device *dev); - #endif diff --git a/drivers/iio/accel/bma400_core.c b/drivers/iio/accel/bma400_core.c index fd2647b728d3..dcc7549c7a0e 100644 --- a/drivers/iio/accel/bma400_core.c +++ b/drivers/iio/accel/bma400_core.c @@ -793,6 +793,19 @@ static const struct iio_info bma400_info = { .write_raw_get_fmt = bma400_write_raw_get_fmt, }; +static void bma400_disable(void *data_ptr) +{ + struct bma400_data *data = data_ptr; + int ret; + + ret = bma400_set_power_mode(data, POWER_MODE_SLEEP); + if (ret) + dev_warn(data->dev, "Failed to put device into sleep mode (%pe)\n", + ERR_PTR(ret)); + + regulator_bulk_disable(ARRAY_SIZE(data->regulators), data->regulators); +} + int bma400_probe(struct device *dev, struct regmap *regmap, const char *name) { struct iio_dev *indio_dev; @@ -822,31 +835,13 @@ int bma400_probe(struct device *dev, struct regmap *regmap, const char *name) indio_dev->num_channels = ARRAY_SIZE(bma400_channels); indio_dev->modes = INDIO_DIRECT_MODE; - dev_set_drvdata(dev, indio_dev); - - return iio_device_register(indio_dev); -} -EXPORT_SYMBOL(bma400_probe); - -void bma400_remove(struct device *dev) -{ - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct bma400_data *data = iio_priv(indio_dev); - int ret; - - mutex_lock(&data->mutex); - ret = bma400_set_power_mode(data, POWER_MODE_SLEEP); - mutex_unlock(&data->mutex); - + ret = devm_add_action_or_reset(dev, bma400_disable, data); if (ret) - dev_warn(dev, "Failed to put device into sleep mode (%pe)\n", ERR_PTR(ret)); - - regulator_bulk_disable(ARRAY_SIZE(data->regulators), - data->regulators); + return ret; - iio_device_unregister(indio_dev); + return devm_iio_device_register(dev, indio_dev); } -EXPORT_SYMBOL(bma400_remove); +EXPORT_SYMBOL(bma400_probe); MODULE_AUTHOR("Dan Robertson <dan@xxxxxxxxxxxxxxx>"); MODULE_DESCRIPTION("Bosch BMA400 triaxial acceleration sensor core"); diff --git a/drivers/iio/accel/bma400_i2c.c b/drivers/iio/accel/bma400_i2c.c index f50df5310beb..56da06537562 100644 --- a/drivers/iio/accel/bma400_i2c.c +++ b/drivers/iio/accel/bma400_i2c.c @@ -27,13 +27,6 @@ static int bma400_i2c_probe(struct i2c_client *client, return bma400_probe(&client->dev, regmap, id->name); } -static int bma400_i2c_remove(struct i2c_client *client) -{ - bma400_remove(&client->dev); - - return 0; -} - static const struct i2c_device_id bma400_i2c_ids[] = { { "bma400", 0 }, { } @@ -52,7 +45,6 @@ static struct i2c_driver bma400_i2c_driver = { .of_match_table = bma400_of_i2c_match, }, .probe = bma400_i2c_probe, - .remove = bma400_i2c_remove, .id_table = bma400_i2c_ids, }; diff --git a/drivers/iio/accel/bma400_spi.c b/drivers/iio/accel/bma400_spi.c index 9f622e37477b..96dc9c215401 100644 --- a/drivers/iio/accel/bma400_spi.c +++ b/drivers/iio/accel/bma400_spi.c @@ -87,13 +87,6 @@ static int bma400_spi_probe(struct spi_device *spi) return bma400_probe(&spi->dev, regmap, id->name); } -static int bma400_spi_remove(struct spi_device *spi) -{ - bma400_remove(&spi->dev); - - return 0; -} - static const struct spi_device_id bma400_spi_ids[] = { { "bma400", 0 }, { } @@ -112,7 +105,6 @@ static struct spi_driver bma400_spi_driver = { .of_match_table = bma400_of_spi_match, }, .probe = bma400_spi_probe, - .remove = bma400_spi_remove, .id_table = bma400_spi_ids, }; -- 2.17.1