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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2021-04-14 22:54:51 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-05-17 13:54:22 +0100
commit7db4f2cacbede1c6d95552c0d10e77398665a733 (patch)
tree94383e724d0c97850380c3475c864a19361188d0 /drivers/iio/pressure
parent38934daf7b5c1b35a01748cb7d4272282cc3a890 (diff)
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/pressure')
-rw-r--r--drivers/iio/pressure/st_pressure_core.c15
-rw-r--r--drivers/iio/pressure/st_pressure_i2c.c17
-rw-r--r--drivers/iio/pressure/st_pressure_spi.c17
3 files changed, 33 insertions, 16 deletions
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
index 789a2928504a..7912b5a68395 100644
--- a/drivers/iio/pressure/st_pressure_core.c
+++ b/drivers/iio/pressure/st_pressure_core.c
@@ -689,13 +689,9 @@ int st_press_common_probe(struct iio_dev *indio_dev)
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &press_info;
- err = st_sensors_power_enable(indio_dev);
- if (err)
- return err;
-
err = st_sensors_verify_id(indio_dev);
if (err < 0)
- goto st_press_power_off;
+ return err;
/*
* Skip timestamping channel while declaring available channels to
@@ -718,11 +714,11 @@ int st_press_common_probe(struct iio_dev *indio_dev)
err = st_sensors_init_sensor(indio_dev, pdata);
if (err < 0)
- goto st_press_power_off;
+ return err;
err = st_press_allocate_ring(indio_dev);
if (err < 0)
- goto st_press_power_off;
+ return err;
if (press_data->irq > 0) {
err = st_sensors_allocate_trigger(indio_dev,
@@ -745,9 +741,6 @@ st_press_device_register_error:
st_sensors_deallocate_trigger(indio_dev);
st_press_probe_trigger_error:
st_press_deallocate_ring(indio_dev);
-st_press_power_off:
- st_sensors_power_disable(indio_dev);
-
return err;
}
EXPORT_SYMBOL(st_press_common_probe);
@@ -756,8 +749,6 @@ void st_press_common_remove(struct iio_dev *indio_dev)
{
struct st_sensor_data *press_data = iio_priv(indio_dev);
- st_sensors_power_disable(indio_dev);
-
iio_device_unregister(indio_dev);
if (press_data->irq > 0)
st_sensors_deallocate_trigger(indio_dev);
diff --git a/drivers/iio/pressure/st_pressure_i2c.c b/drivers/iio/pressure/st_pressure_i2c.c
index 09c6903f99b8..f0a5af314ceb 100644
--- a/drivers/iio/pressure/st_pressure_i2c.c
+++ b/drivers/iio/pressure/st_pressure_i2c.c
@@ -98,16 +98,29 @@ static int st_press_i2c_probe(struct i2c_client *client,
if (ret < 0)
return ret;
+ ret = st_sensors_power_enable(indio_dev);
+ if (ret)
+ return ret;
+
ret = st_press_common_probe(indio_dev);
if (ret < 0)
- return ret;
+ goto st_press_power_off;
return 0;
+
+st_press_power_off:
+ st_sensors_power_disable(indio_dev);
+
+ return ret;
}
static int st_press_i2c_remove(struct i2c_client *client)
{
- st_press_common_remove(i2c_get_clientdata(client));
+ struct iio_dev *indio_dev = i2c_get_clientdata(client);
+
+ st_sensors_power_disable(indio_dev);
+
+ st_press_common_remove(indio_dev);
return 0;
}
diff --git a/drivers/iio/pressure/st_pressure_spi.c b/drivers/iio/pressure/st_pressure_spi.c
index b5ee3ec2764f..b48cf7d01cd7 100644
--- a/drivers/iio/pressure/st_pressure_spi.c
+++ b/drivers/iio/pressure/st_pressure_spi.c
@@ -82,16 +82,29 @@ static int st_press_spi_probe(struct spi_device *spi)
if (err < 0)
return err;
+ err = st_sensors_power_enable(indio_dev);
+ if (err)
+ return err;
+
err = st_press_common_probe(indio_dev);
if (err < 0)
- return err;
+ goto st_press_power_off;
return 0;
+
+st_press_power_off:
+ st_sensors_power_disable(indio_dev);
+
+ return err;
}
static int st_press_spi_remove(struct spi_device *spi)
{
- st_press_common_remove(spi_get_drvdata(spi));
+ struct iio_dev *indio_dev = spi_get_drvdata(spi);
+
+ st_sensors_power_disable(indio_dev);
+
+ st_press_common_remove(indio_dev);
return 0;
}