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Message-Id: <20210414195454.84183-4-andriy.shevchenko@linux.intel.com>
Date: Wed, 14 Apr 2021 22:54:51 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Gaëtan André <rvlander@...tanandre.eu>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Nuno Sá <nuno.sa@...log.com>,
Denis Ciocca <denis.ciocca@...com>, linux-iio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
Peter Meerwald-Stadler <pmeerw@...erw.net>,
Rob Herring <robh+dt@...nel.org>
Subject: [PATCH v1 4/7] 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@...ux.intel.com>
---
drivers/iio/accel/st_accel_core.c | 21 +++++----------------
drivers/iio/accel/st_accel_i2c.c | 17 +++++++++++++++--
drivers/iio/accel/st_accel_spi.c | 17 +++++++++++++++--
drivers/iio/gyro/st_gyro_core.c | 15 +++------------
drivers/iio/gyro/st_gyro_i2c.c | 17 +++++++++++++++--
drivers/iio/gyro/st_gyro_spi.c | 17 +++++++++++++++--
drivers/iio/magnetometer/st_magn_core.c | 15 +++------------
drivers/iio/magnetometer/st_magn_i2c.c | 14 +++++++++++++-
drivers/iio/magnetometer/st_magn_spi.c | 14 +++++++++++++-
drivers/iio/pressure/st_pressure_core.c | 15 +++------------
drivers/iio/pressure/st_pressure_i2c.c | 17 +++++++++++++++--
drivers/iio/pressure/st_pressure_spi.c | 17 +++++++++++++++--
12 files changed, 130 insertions(+), 66 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 @@ int st_accel_common_probe(struct iio_dev *indio_dev)
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;
}
diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
index e000504e1df4..ee3f0ea96ac5 100644
--- a/drivers/iio/gyro/st_gyro_core.c
+++ b/drivers/iio/gyro/st_gyro_core.c
@@ -471,13 +471,9 @@ int st_gyro_common_probe(struct iio_dev *indio_dev)
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &gyro_info;
- err = st_sensors_power_enable(indio_dev);
- if (err)
- return err;
-
err = st_sensors_verify_id(indio_dev);
if (err < 0)
- goto st_gyro_power_off;
+ return err;
gdata->num_data_channels = ST_GYRO_NUMBER_DATA_CHANNELS;
indio_dev->channels = gdata->sensor_settings->ch;
@@ -490,11 +486,11 @@ int st_gyro_common_probe(struct iio_dev *indio_dev)
err = st_sensors_init_sensor(indio_dev, pdata);
if (err < 0)
- goto st_gyro_power_off;
+ return err;
err = st_gyro_allocate_ring(indio_dev);
if (err < 0)
- goto st_gyro_power_off;
+ return err;
if (gdata->irq > 0) {
err = st_sensors_allocate_trigger(indio_dev,
@@ -517,9 +513,6 @@ int st_gyro_common_probe(struct iio_dev *indio_dev)
st_sensors_deallocate_trigger(indio_dev);
st_gyro_probe_trigger_error:
st_gyro_deallocate_ring(indio_dev);
-st_gyro_power_off:
- st_sensors_power_disable(indio_dev);
-
return err;
}
EXPORT_SYMBOL(st_gyro_common_probe);
@@ -528,8 +521,6 @@ void st_gyro_common_remove(struct iio_dev *indio_dev)
{
struct st_sensor_data *gdata = iio_priv(indio_dev);
- st_sensors_power_disable(indio_dev);
-
iio_device_unregister(indio_dev);
if (gdata->irq > 0)
st_sensors_deallocate_trigger(indio_dev);
diff --git a/drivers/iio/gyro/st_gyro_i2c.c b/drivers/iio/gyro/st_gyro_i2c.c
index 8190966e6ff0..a25cc0379e16 100644
--- a/drivers/iio/gyro/st_gyro_i2c.c
+++ b/drivers/iio/gyro/st_gyro_i2c.c
@@ -86,16 +86,29 @@ static int st_gyro_i2c_probe(struct i2c_client *client,
if (err < 0)
return err;
+ err = st_sensors_power_enable(indio_dev);
+ if (err)
+ return err;
+
err = st_gyro_common_probe(indio_dev);
if (err < 0)
- return err;
+ goto st_gyro_power_off;
return 0;
+
+st_gyro_power_off:
+ st_sensors_power_disable(indio_dev);
+
+ return err;
}
static int st_gyro_i2c_remove(struct i2c_client *client)
{
- st_gyro_common_remove(i2c_get_clientdata(client));
+ struct iio_dev *indio_dev = i2c_get_clientdata(client);
+
+ st_sensors_power_disable(indio_dev);
+
+ st_gyro_common_remove(indio_dev);
return 0;
}
diff --git a/drivers/iio/gyro/st_gyro_spi.c b/drivers/iio/gyro/st_gyro_spi.c
index efb862763ca3..18d6a2aeda45 100644
--- a/drivers/iio/gyro/st_gyro_spi.c
+++ b/drivers/iio/gyro/st_gyro_spi.c
@@ -90,16 +90,29 @@ static int st_gyro_spi_probe(struct spi_device *spi)
if (err < 0)
return err;
+ err = st_sensors_power_enable(indio_dev);
+ if (err)
+ return err;
+
err = st_gyro_common_probe(indio_dev);
if (err < 0)
- return err;
+ goto st_gyro_power_off;
return 0;
+
+st_gyro_power_off:
+ st_sensors_power_disable(indio_dev);
+
+ return err;
}
static int st_gyro_spi_remove(struct spi_device *spi)
{
- st_gyro_common_remove(spi_get_drvdata(spi));
+ struct iio_dev *indio_dev = spi_get_drvdata(spi);
+
+ st_sensors_power_disable(indio_dev);
+
+ st_gyro_common_remove(indio_dev);
return 0;
}
diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c
index cf3722e42419..018b2523edfe 100644
--- a/drivers/iio/magnetometer/st_magn_core.c
+++ b/drivers/iio/magnetometer/st_magn_core.c
@@ -500,13 +500,9 @@ int st_magn_common_probe(struct iio_dev *indio_dev)
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &magn_info;
- err = st_sensors_power_enable(indio_dev);
- if (err)
- return err;
-
err = st_sensors_verify_id(indio_dev);
if (err < 0)
- goto st_magn_power_off;
+ return err;
mdata->num_data_channels = ST_MAGN_NUMBER_DATA_CHANNELS;
indio_dev->channels = mdata->sensor_settings->ch;
@@ -520,11 +516,11 @@ int st_magn_common_probe(struct iio_dev *indio_dev)
err = st_sensors_init_sensor(indio_dev, pdata);
if (err < 0)
- goto st_magn_power_off;
+ return err;
err = st_magn_allocate_ring(indio_dev);
if (err < 0)
- goto st_magn_power_off;
+ return err;
if (mdata->irq > 0) {
err = st_sensors_allocate_trigger(indio_dev,
@@ -547,9 +543,6 @@ int st_magn_common_probe(struct iio_dev *indio_dev)
st_sensors_deallocate_trigger(indio_dev);
st_magn_probe_trigger_error:
st_magn_deallocate_ring(indio_dev);
-st_magn_power_off:
- st_sensors_power_disable(indio_dev);
-
return err;
}
EXPORT_SYMBOL(st_magn_common_probe);
@@ -558,8 +551,6 @@ void st_magn_common_remove(struct iio_dev *indio_dev)
{
struct st_sensor_data *mdata = iio_priv(indio_dev);
- st_sensors_power_disable(indio_dev);
-
iio_device_unregister(indio_dev);
if (mdata->irq > 0)
st_sensors_deallocate_trigger(indio_dev);
diff --git a/drivers/iio/magnetometer/st_magn_i2c.c b/drivers/iio/magnetometer/st_magn_i2c.c
index c6bb4ce77594..7a7ab27379fc 100644
--- a/drivers/iio/magnetometer/st_magn_i2c.c
+++ b/drivers/iio/magnetometer/st_magn_i2c.c
@@ -78,16 +78,28 @@ static int st_magn_i2c_probe(struct i2c_client *client,
if (err < 0)
return err;
+ err = st_sensors_power_enable(indio_dev);
+ if (err)
+ return err;
+
err = st_magn_common_probe(indio_dev);
if (err < 0)
- return err;
+ goto st_magn_power_off;
return 0;
+
+st_magn_power_off:
+ st_sensors_power_disable(indio_dev);
+
+ return err;
}
static int st_magn_i2c_remove(struct i2c_client *client)
{
struct iio_dev *indio_dev = i2c_get_clientdata(client);
+
+ st_sensors_power_disable(indio_dev);
+
st_magn_common_remove(indio_dev);
return 0;
diff --git a/drivers/iio/magnetometer/st_magn_spi.c b/drivers/iio/magnetometer/st_magn_spi.c
index 3d08d74c367d..ee352f083c02 100644
--- a/drivers/iio/magnetometer/st_magn_spi.c
+++ b/drivers/iio/magnetometer/st_magn_spi.c
@@ -72,16 +72,28 @@ static int st_magn_spi_probe(struct spi_device *spi)
if (err < 0)
return err;
+ err = st_sensors_power_enable(indio_dev);
+ if (err)
+ return err;
+
err = st_magn_common_probe(indio_dev);
if (err < 0)
- return err;
+ goto st_magn_power_off;
return 0;
+
+st_magn_power_off:
+ st_sensors_power_disable(indio_dev);
+
+ return err;
}
static int st_magn_spi_remove(struct spi_device *spi)
{
struct iio_dev *indio_dev = spi_get_drvdata(spi);
+
+ st_sensors_power_disable(indio_dev);
+
st_magn_common_remove(indio_dev);
return 0;
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 @@ int st_press_common_probe(struct iio_dev *indio_dev)
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;
}
--
2.30.2
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