iio:pressure:ms5611: Move exports into IIO_MS5611 namespace

In order to avoid unnecessary pollution of the global symbol namespace
move the common/library functions into a specific namespace and import
that into the bus specific device drivers that use them.

For more information see https://lwn.net/Articles/760045/Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Tomasz Duszynski <tduszyns@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220130205701.334592-11-jic23@kernel.org

drivers/iio/pressure/ms5611_core.c

@@ -471,7 +471,7 @@ int ms5611_probe(struct iio_dev *indio_dev, struct device *dev,
 	ms5611_fini(indio_dev);
 	return ret;
 }
-EXPORT_SYMBOL(ms5611_probe);
+EXPORT_SYMBOL_NS(ms5611_probe, IIO_MS5611);
 
 void ms5611_remove(struct iio_dev *indio_dev)
 {
@@ -479,7 +479,7 @@ void ms5611_remove(struct iio_dev *indio_dev)
 	iio_triggered_buffer_cleanup(indio_dev);
 	ms5611_fini(indio_dev);
 }
-EXPORT_SYMBOL(ms5611_remove);
+EXPORT_SYMBOL_NS(ms5611_remove, IIO_MS5611);
 
 MODULE_AUTHOR("Tomasz Duszynski <tduszyns@gmail.com>");
 MODULE_DESCRIPTION("MS5611 core driver");

drivers/iio/pressure/ms5611_i2c.c

@@ -140,3 +140,4 @@ module_i2c_driver(ms5611_driver);
 MODULE_AUTHOR("Tomasz Duszynski <tduszyns@gmail.com>");
 MODULE_DESCRIPTION("MS5611 i2c driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_MS5611);

drivers/iio/pressure/ms5611_spi.c

@@ -142,3 +142,4 @@ module_spi_driver(ms5611_driver);
 MODULE_AUTHOR("Tomasz Duszynski <tduszyns@gmail.com>");
 MODULE_DESCRIPTION("MS5611 spi driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_MS5611);