diff options
author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2021-04-14 22:54:51 +0300 |
---|---|---|
committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-05-17 13:54:22 +0100 |
commit | 7db4f2cacbede1c6d95552c0d10e77398665a733 (patch) | |
tree | 94383e724d0c97850380c3475c864a19361188d0 /drivers/iio/accel | |
parent | 38934daf7b5c1b35a01748cb7d4272282cc3a890 (diff) | |
download | linux-7db4f2cacbede1c6d95552c0d10e77398665a733.tar.bz2 |
iio: st_sensors: Call st_sensors_power_enable() from bus drivers
In case we would initialize two IIO devices from one physical device,
we shouldn't have a clash on regulators. That's why move
st_sensors_power_enable() call from core to bus drivers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210414195454.84183-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/accel')
-rw-r--r-- | drivers/iio/accel/st_accel_core.c | 21 | ||||
-rw-r--r-- | drivers/iio/accel/st_accel_i2c.c | 17 | ||||
-rw-r--r-- | drivers/iio/accel/st_accel_spi.c | 17 |
3 files changed, 35 insertions, 20 deletions
diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index a1bd7e3b912e..5c258c1ca62d 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -1260,13 +1260,9 @@ int st_accel_common_probe(struct iio_dev *indio_dev) indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &accel_info; - err = st_sensors_power_enable(indio_dev); - if (err) - return err; - err = st_sensors_verify_id(indio_dev); if (err < 0) - goto st_accel_power_off; + return err; adata->num_data_channels = ST_ACCEL_NUMBER_DATA_CHANNELS; indio_dev->num_channels = ST_SENSORS_NUMBER_ALL_CHANNELS; @@ -1275,10 +1271,8 @@ int st_accel_common_probe(struct iio_dev *indio_dev) channels = devm_kmemdup(&indio_dev->dev, adata->sensor_settings->ch, channels_size, GFP_KERNEL); - if (!channels) { - err = -ENOMEM; - goto st_accel_power_off; - } + if (!channels) + return -ENOMEM; if (apply_acpi_orientation(indio_dev, channels)) dev_warn(&indio_dev->dev, @@ -1293,11 +1287,11 @@ int st_accel_common_probe(struct iio_dev *indio_dev) err = st_sensors_init_sensor(indio_dev, pdata); if (err < 0) - goto st_accel_power_off; + return err; err = st_accel_allocate_ring(indio_dev); if (err < 0) - goto st_accel_power_off; + return err; if (adata->irq > 0) { err = st_sensors_allocate_trigger(indio_dev, @@ -1320,9 +1314,6 @@ st_accel_device_register_error: st_sensors_deallocate_trigger(indio_dev); st_accel_probe_trigger_error: st_accel_deallocate_ring(indio_dev); -st_accel_power_off: - st_sensors_power_disable(indio_dev); - return err; } EXPORT_SYMBOL(st_accel_common_probe); @@ -1331,8 +1322,6 @@ void st_accel_common_remove(struct iio_dev *indio_dev) { struct st_sensor_data *adata = iio_priv(indio_dev); - st_sensors_power_disable(indio_dev); - iio_device_unregister(indio_dev); if (adata->irq > 0) st_sensors_deallocate_trigger(indio_dev); diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c index 360e16f2cadb..95e305b88d5e 100644 --- a/drivers/iio/accel/st_accel_i2c.c +++ b/drivers/iio/accel/st_accel_i2c.c @@ -174,16 +174,29 @@ static int st_accel_i2c_probe(struct i2c_client *client) if (ret < 0) return ret; + ret = st_sensors_power_enable(indio_dev); + if (ret) + return ret; + ret = st_accel_common_probe(indio_dev); if (ret < 0) - return ret; + goto st_accel_power_off; return 0; + +st_accel_power_off: + st_sensors_power_disable(indio_dev); + + return ret; } static int st_accel_i2c_remove(struct i2c_client *client) { - st_accel_common_remove(i2c_get_clientdata(client)); + struct iio_dev *indio_dev = i2c_get_clientdata(client); + + st_sensors_power_disable(indio_dev); + + st_accel_common_remove(indio_dev); return 0; } diff --git a/drivers/iio/accel/st_accel_spi.c b/drivers/iio/accel/st_accel_spi.c index 568ff1bae0ee..83d3308ce5cc 100644 --- a/drivers/iio/accel/st_accel_spi.c +++ b/drivers/iio/accel/st_accel_spi.c @@ -123,16 +123,29 @@ static int st_accel_spi_probe(struct spi_device *spi) if (err < 0) return err; + err = st_sensors_power_enable(indio_dev); + if (err) + return err; + err = st_accel_common_probe(indio_dev); if (err < 0) - return err; + goto st_accel_power_off; return 0; + +st_accel_power_off: + st_sensors_power_disable(indio_dev); + + return err; } static int st_accel_spi_remove(struct spi_device *spi) { - st_accel_common_remove(spi_get_drvdata(spi)); + struct iio_dev *indio_dev = spi_get_drvdata(spi); + + st_sensors_power_disable(indio_dev); + + st_accel_common_remove(indio_dev); return 0; } |