iio:st-sensors: Move exports into IIO_ST_SENSORS namespace

To avoid unnecessary pollution of the global symbol namespace move the
driver core and type specific core exports into their a new namespace
and import that where needed.

For more info see https://lwn.net/Articles/760045/

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Denis Ciocca <denis.ciocca@st.com>
Link: https://lore.kernel.org/r/20220116180535.2367780-14-jic23@kernel.org

5 files changed, 19 insertions, 19 deletions

diff --git a/drivers/iio/common/st_sensors/st_sensors_buffer.c b/drivers/iio/common/st_sensors/st_sensors_buffer.c
index 5f2b1fb95fd7..e2f108ca949c 100644
--- a/drivers/iio/common/st_sensors/st_sensors_buffer.c
+++ b/drivers/iio/common/st_sensors/st_sensors_buffer.c
@@ -76,4 +76,4 @@ st_sensors_get_buffer_element_error:
 
 	return IRQ_HANDLED;
 }
-EXPORT_SYMBOL(st_sensors_trigger_handler);
+EXPORT_SYMBOL_NS(st_sensors_trigger_handler, IIO_ST_SENSORS);
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index eb452d0c423c..fa9bcdf0d190 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -46,7 +46,7 @@ int st_sensors_debugfs_reg_access(struct iio_dev *indio_dev,
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_debugfs_reg_access);
+EXPORT_SYMBOL_NS(st_sensors_debugfs_reg_access, IIO_ST_SENSORS);
 
 static int st_sensors_match_odr(struct st_sensor_settings *sensor_settings,
 			unsigned int odr, struct st_sensor_odr_avl *odr_out)
@@ -106,7 +106,7 @@ int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)
 st_sensors_match_odr_error:
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_set_odr);
+EXPORT_SYMBOL_NS(st_sensors_set_odr, IIO_ST_SENSORS);
 
 static int st_sensors_match_fs(struct st_sensor_settings *sensor_settings,
 					unsigned int fs, int *index_fs_avl)
@@ -199,7 +199,7 @@ int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable)
 set_enable_error:
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_set_enable);
+EXPORT_SYMBOL_NS(st_sensors_set_enable, IIO_ST_SENSORS);
 
 int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable)
 {
@@ -213,7 +213,7 @@ int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable)
 				axis_enable);
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_set_axis_enable);
+EXPORT_SYMBOL_NS(st_sensors_set_axis_enable, IIO_ST_SENSORS);
 
 static void st_reg_disable(void *reg)
 {
@@ -257,7 +257,7 @@ int st_sensors_power_enable(struct iio_dev *indio_dev)
 
 	return devm_add_action_or_reset(parent, st_reg_disable, pdata->vdd_io);
 }
-EXPORT_SYMBOL(st_sensors_power_enable);
+EXPORT_SYMBOL_NS(st_sensors_power_enable, IIO_ST_SENSORS);
 
 static int st_sensors_set_drdy_int_pin(struct iio_dev *indio_dev,
 					struct st_sensors_platform_data *pdata)
@@ -352,7 +352,7 @@ void st_sensors_dev_name_probe(struct device *dev, char *name, int len)
 	/* The name from the match takes precedence if present */
 	strlcpy(name, match, len);
 }
-EXPORT_SYMBOL(st_sensors_dev_name_probe);
+EXPORT_SYMBOL_NS(st_sensors_dev_name_probe, IIO_ST_SENSORS);
 
 int st_sensors_init_sensor(struct iio_dev *indio_dev,
 					struct st_sensors_platform_data *pdata)
@@ -437,7 +437,7 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev,
 
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_init_sensor);
+EXPORT_SYMBOL_NS(st_sensors_init_sensor, IIO_ST_SENSORS);
 
 int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
 {
@@ -486,7 +486,7 @@ int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
 st_accel_set_dataready_irq_error:
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_set_dataready_irq);
+EXPORT_SYMBOL_NS(st_sensors_set_dataready_irq, IIO_ST_SENSORS);
 
 int st_sensors_set_fullscale_by_gain(struct iio_dev *indio_dev, int scale)
 {
@@ -509,7 +509,7 @@ int st_sensors_set_fullscale_by_gain(struct iio_dev *indio_dev, int scale)
 st_sensors_match_scale_error:
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_set_fullscale_by_gain);
+EXPORT_SYMBOL_NS(st_sensors_set_fullscale_by_gain, IIO_ST_SENSORS);
 
 static int st_sensors_read_axis_data(struct iio_dev *indio_dev,
 				     struct iio_chan_spec const *ch, int *data)
@@ -572,7 +572,7 @@ out:
 
 	return err;
 }
-EXPORT_SYMBOL(st_sensors_read_info_raw);
+EXPORT_SYMBOL_NS(st_sensors_read_info_raw, IIO_ST_SENSORS);
 
 /*
  * st_sensors_get_settings_index() - get index of the sensor settings for a
@@ -599,7 +599,7 @@ int st_sensors_get_settings_index(const char *name,
 
 	return -ENODEV;
 }
-EXPORT_SYMBOL(st_sensors_get_settings_index);
+EXPORT_SYMBOL_NS(st_sensors_get_settings_index, IIO_ST_SENSORS);
 
 /*
  * st_sensors_verify_id() - verify sensor ID (WhoAmI) is matching with the
@@ -632,7 +632,7 @@ int st_sensors_verify_id(struct iio_dev *indio_dev)
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_verify_id);
+EXPORT_SYMBOL_NS(st_sensors_verify_id, IIO_ST_SENSORS);
 
 ssize_t st_sensors_sysfs_sampling_frequency_avail(struct device *dev,
 				struct device_attribute *attr, char *buf)
@@ -654,7 +654,7 @@ ssize_t st_sensors_sysfs_sampling_frequency_avail(struct device *dev,
 
 	return len;
 }
-EXPORT_SYMBOL(st_sensors_sysfs_sampling_frequency_avail);
+EXPORT_SYMBOL_NS(st_sensors_sysfs_sampling_frequency_avail, IIO_ST_SENSORS);
 
 ssize_t st_sensors_sysfs_scale_avail(struct device *dev,
 				struct device_attribute *attr, char *buf)
@@ -678,7 +678,7 @@ ssize_t st_sensors_sysfs_scale_avail(struct device *dev,
 
 	return len;
 }
-EXPORT_SYMBOL(st_sensors_sysfs_scale_avail);
+EXPORT_SYMBOL_NS(st_sensors_sysfs_scale_avail, IIO_ST_SENSORS);
 
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics ST-sensors core");
diff --git a/drivers/iio/common/st_sensors/st_sensors_i2c.c b/drivers/iio/common/st_sensors/st_sensors_i2c.c
index 18bd3c3d99bc..ee95082c7410 100644
--- a/drivers/iio/common/st_sensors/st_sensors_i2c.c
+++ b/drivers/iio/common/st_sensors/st_sensors_i2c.c
@@ -61,7 +61,7 @@ int st_sensors_i2c_configure(struct iio_dev *indio_dev,
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_i2c_configure);
+EXPORT_SYMBOL_NS(st_sensors_i2c_configure, IIO_ST_SENSORS);
 
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics ST-sensors i2c driver");
diff --git a/drivers/iio/common/st_sensors/st_sensors_spi.c b/drivers/iio/common/st_sensors/st_sensors_spi.c
index 7c60050e90dc..63e302c3fbaa 100644
--- a/drivers/iio/common/st_sensors/st_sensors_spi.c
+++ b/drivers/iio/common/st_sensors/st_sensors_spi.c
@@ -113,7 +113,7 @@ int st_sensors_spi_configure(struct iio_dev *indio_dev,
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_spi_configure);
+EXPORT_SYMBOL_NS(st_sensors_spi_configure, IIO_ST_SENSORS);
 
 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics ST-sensors spi driver");
diff --git a/drivers/iio/common/st_sensors/st_sensors_trigger.c b/drivers/iio/common/st_sensors/st_sensors_trigger.c
index ab7a5a24fa6e..899b640c0a70 100644
--- a/drivers/iio/common/st_sensors/st_sensors_trigger.c
+++ b/drivers/iio/common/st_sensors/st_sensors_trigger.c
@@ -227,7 +227,7 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_allocate_trigger);
+EXPORT_SYMBOL_NS(st_sensors_allocate_trigger, IIO_ST_SENSORS);
 
 int st_sensors_validate_device(struct iio_trigger *trig,
 			       struct iio_dev *indio_dev)
@@ -239,4 +239,4 @@ int st_sensors_validate_device(struct iio_trigger *trig,
 
 	return 0;
 }
-EXPORT_SYMBOL(st_sensors_validate_device);
+EXPORT_SYMBOL_NS(st_sensors_validate_device, IIO_ST_SENSORS);