[PATCH 01/15] iio: accel: bma400: Make bma400_remove() return void
From: Uwe Kleine-König <hidden>
Date: 2021-10-13 20:32:47
Also in:
linux-i2c, linux-iio
Subsystem:
bosch sensortec bma400 accelerometer iio driver, iio subsystem and drivers, the rest · Maintainers:
Dan Robertson, Jonathan Cameron, Linus Torvalds
When an i2c or spi driver's remove function returns a non-zero error code nothing happens apart from emitting a generic error message. Make this error message more device specific and return zero instead in the remove callbacks. As the return value of bma400_remove() is unused then, change the function to not yield a return value. Signed-off-by: Uwe Kleine-König <redacted> --- drivers/iio/accel/bma400.h | 2 +- drivers/iio/accel/bma400_core.c | 7 ++++--- drivers/iio/accel/bma400_i2c.c | 4 +++- drivers/iio/accel/bma400_spi.c | 4 +++- 4 files changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/iio/accel/bma400.h b/drivers/iio/accel/bma400.h
index 5ad10db9819f..c4c8d74155c2 100644
--- a/drivers/iio/accel/bma400.h
+++ b/drivers/iio/accel/bma400.h@@ -94,6 +94,6 @@ extern const struct regmap_config bma400_regmap_config; int bma400_probe(struct device *dev, struct regmap *regmap, const char *name); -int bma400_remove(struct device *dev); +void bma400_remove(struct device *dev); #endif
diff --git a/drivers/iio/accel/bma400_core.c b/drivers/iio/accel/bma400_core.c
index 21520e022a21..fd2647b728d3 100644
--- a/drivers/iio/accel/bma400_core.c
+++ b/drivers/iio/accel/bma400_core.c@@ -828,7 +828,7 @@ int bma400_probe(struct device *dev, struct regmap *regmap, const char *name) } EXPORT_SYMBOL(bma400_probe); -int bma400_remove(struct device *dev) +void bma400_remove(struct device *dev) { struct iio_dev *indio_dev = dev_get_drvdata(dev); struct bma400_data *data = iio_priv(indio_dev);
@@ -838,12 +838,13 @@ int bma400_remove(struct device *dev) ret = bma400_set_power_mode(data, POWER_MODE_SLEEP); mutex_unlock(&data->mutex); + 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); iio_device_unregister(indio_dev); - - return ret; } EXPORT_SYMBOL(bma400_remove);
diff --git a/drivers/iio/accel/bma400_i2c.c b/drivers/iio/accel/bma400_i2c.c
index 9dcb7cc9996e..f50df5310beb 100644
--- a/drivers/iio/accel/bma400_i2c.c
+++ b/drivers/iio/accel/bma400_i2c.c@@ -29,7 +29,9 @@ static int bma400_i2c_probe(struct i2c_client *client, static int bma400_i2c_remove(struct i2c_client *client) { - return bma400_remove(&client->dev); + bma400_remove(&client->dev); + + return 0; } static const struct i2c_device_id bma400_i2c_ids[] = {
diff --git a/drivers/iio/accel/bma400_spi.c b/drivers/iio/accel/bma400_spi.c
index 7c2825904e08..9f622e37477b 100644
--- a/drivers/iio/accel/bma400_spi.c
+++ b/drivers/iio/accel/bma400_spi.c@@ -89,7 +89,9 @@ static int bma400_spi_probe(struct spi_device *spi) static int bma400_spi_remove(struct spi_device *spi) { - return bma400_remove(&spi->dev); + bma400_remove(&spi->dev); + + return 0; } static const struct spi_device_id bma400_spi_ids[] = {
--
2.30.2