iio:accel:adxl372: Move exports into IIO_ADXL372 namespace

To avoid unnecessary pollution of the global symbol namespace move the
driver core exports into their own namespace and import that into the two
bus modules.

For more info see https://lwn.net/Articles/760045/Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220116180535.2367780-9-jic23@kernel.org

drivers/iio/accel/adxl372.c

@@ -1176,7 +1176,7 @@ bool adxl372_readable_noinc_reg(struct device *dev, unsigned int reg)
 {
 	return (reg == ADXL372_FIFO_DATA);
 }
-EXPORT_SYMBOL_GPL(adxl372_readable_noinc_reg);
+EXPORT_SYMBOL_NS_GPL(adxl372_readable_noinc_reg, IIO_ADXL372);
 
 int adxl372_probe(struct device *dev, struct regmap *regmap,
 		  int irq, const char *name)
@@ -1260,7 +1260,7 @@ int adxl372_probe(struct device *dev, struct regmap *regmap,
 
 	return devm_iio_device_register(dev, indio_dev);
 }
-EXPORT_SYMBOL_GPL(adxl372_probe);
+EXPORT_SYMBOL_NS_GPL(adxl372_probe, IIO_ADXL372);
 
 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
 MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer driver");

drivers/iio/accel/adxl372_i2c.c

@@ -67,3 +67,4 @@ module_i2c_driver(adxl372_i2c_driver);
 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
 MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer I2C driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_ADXL372);

drivers/iio/accel/adxl372_spi.c

@@ -59,3 +59,4 @@ module_spi_driver(adxl372_spi_driver);
 MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
 MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer SPI driver");
 MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(IIO_ADXL372);