[PATCH 6/8] iio: humidity: hts221: Move symbol exports into IIO_HTS221 namespace

Jonathan Cameron
2022-02-20T18:09:05Z

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>
---
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);
--
2.35.1