[RESEND PATCH 3/5] iio: humidity: hts221: Move symbol exports into IIO_HTS221 namespace

[Jonathan Cameron <jic23@kernel.org>]

From: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Avoid unnecessary pollution of the global symbol namespace by
moving library functions in to a specific namespace and import
that into the drivers that make use of the functions.

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

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/20220220181522.541718-7-jic23@kernel.org
---
 drivers/iio/humidity/hts221_core.c | 5 +++--
 drivers/iio/humidity/hts221_i2c.c  | 1 +
 drivers/iio/humidity/hts221_spi.c  | 1 +
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/humidity/hts221_core.c b/drivers/iio/humidity/hts221_core.c
index da9c08432ef2..517158307d8c 100644
--- a/drivers/iio/humidity/hts221_core.c
+++ b/drivers/iio/humidity/hts221_core.c
@@ -668,7 +668,7 @@ int hts221_probe(struct device *dev, int irq, const char *name,
 
 	return devm_iio_device_register(hw->dev, iio_dev);
 }
-EXPORT_SYMBOL(hts221_probe);
+EXPORT_SYMBOL_NS(hts221_probe, IIO_HTS221);
 
 static int hts221_suspend(struct device *dev)
 {
@@ -694,7 +694,8 @@ static int hts221_resume(struct device *dev)
 	return err;
 }
 
-EXPORT_SIMPLE_DEV_PM_OPS(hts221_pm_ops, hts221_suspend, hts221_resume);
+EXPORT_NS_SIMPLE_DEV_PM_OPS(hts221_pm_ops, hts221_suspend, hts221_resume,
+			    IIO_HTS221);
 
 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics hts221 sensor driver");
diff --git a/drivers/iio/humidity/hts221_i2c.c b/drivers/iio/humidity/hts221_i2c.c
index 933b05e4d972..afbc611f7712 100644
--- a/drivers/iio/humidity/hts221_i2c.c
+++ b/drivers/iio/humidity/hts221_i2c.c
@@ -74,3 +74,4 @@ module_i2c_driver(hts221_driver);
 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics hts221 i2c driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_HTS221);
diff --git a/drivers/iio/humidity/hts221_spi.c b/drivers/iio/humidity/hts221_spi.c
index 888c5eab944c..fc4adb68faf6 100644
--- a/drivers/iio/humidity/hts221_spi.c
+++ b/drivers/iio/humidity/hts221_spi.c
@@ -66,3 +66,4 @@ module_spi_driver(hts221_driver);
 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics hts221 spi driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_HTS221);
-- 
2.36.1