iio:pressure:zpa2326: Move exports into IIO_ZPA2326 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>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220130205701.334592-10-jic23@kernel.org

diff --git a/drivers/iio/pressure/zpa2326.c b/drivers/iio/pressure/zpa2326.c
index 89295c90f8018e5ba2163a2ba24b0182f4f3d026..67119a9b95fcc375df342b7813581e61077999b5 100644 (file)
--- a/drivers/iio/pressure/zpa2326.c
+++ b/drivers/iio/pressure/zpa2326.c
@@ -162,7 +162,7 @@ bool zpa2326_isreg_writeable(struct device *dev, unsigned int reg)
                return false;
        }
 }
-EXPORT_SYMBOL_GPL(zpa2326_isreg_writeable);
+EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_writeable, IIO_ZPA2326);
 
 bool zpa2326_isreg_readable(struct device *dev, unsigned int reg)
 {
@@ -191,7 +191,7 @@ bool zpa2326_isreg_readable(struct device *dev, unsigned int reg)
                return false;
        }
 }
-EXPORT_SYMBOL_GPL(zpa2326_isreg_readable);
+EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_readable, IIO_ZPA2326);
 
 bool zpa2326_isreg_precious(struct device *dev, unsigned int reg)
 {
@@ -204,7 +204,7 @@ bool zpa2326_isreg_precious(struct device *dev, unsigned int reg)
                return false;
        }
 }
-EXPORT_SYMBOL_GPL(zpa2326_isreg_precious);
+EXPORT_SYMBOL_NS_GPL(zpa2326_isreg_precious, IIO_ZPA2326);
 
 /**
  * zpa2326_enable_device() - Enable device, i.e. get out of low power mode.
@@ -649,7 +649,7 @@ const struct dev_pm_ops zpa2326_pm_ops = {
        SET_RUNTIME_PM_OPS(zpa2326_runtime_suspend, zpa2326_runtime_resume,
                           NULL)
 };
-EXPORT_SYMBOL_GPL(zpa2326_pm_ops);
+EXPORT_SYMBOL_NS_GPL(zpa2326_pm_ops, IIO_ZPA2326);
 
 /**
  * zpa2326_resume() - Request the PM layer to power supply the device.
@@ -1698,7 +1698,7 @@ poweroff:
 
        return err;
 }
-EXPORT_SYMBOL_GPL(zpa2326_probe);
+EXPORT_SYMBOL_NS_GPL(zpa2326_probe, IIO_ZPA2326);
 
 void zpa2326_remove(const struct device *parent)
 {
@@ -1709,7 +1709,7 @@ void zpa2326_remove(const struct device *parent)
        zpa2326_sleep(indio_dev);
        zpa2326_power_off(indio_dev, iio_priv(indio_dev));
 }
-EXPORT_SYMBOL_GPL(zpa2326_remove);
+EXPORT_SYMBOL_NS_GPL(zpa2326_remove, IIO_ZPA2326);
 
 MODULE_AUTHOR("Gregor Boirie <gregor.boirie@parrot.com>");
 MODULE_DESCRIPTION("Core driver for Murata ZPA2326 pressure sensor");

diff --git a/drivers/iio/pressure/zpa2326_i2c.c b/drivers/iio/pressure/zpa2326_i2c.c
index 95d9739444c4b19224b0e1c6a930d1e9417b4607..0db0860d386ba02ddaf348f46f2fd93f01f88c49 100644 (file)
--- a/drivers/iio/pressure/zpa2326_i2c.c
+++ b/drivers/iio/pressure/zpa2326_i2c.c
@@ -87,3 +87,4 @@ module_i2c_driver(zpa2326_i2c_driver);
 MODULE_AUTHOR("Gregor Boirie <gregor.boirie@parrot.com>");
 MODULE_DESCRIPTION("I2C driver for Murata ZPA2326 pressure sensor");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ZPA2326);

diff --git a/drivers/iio/pressure/zpa2326_spi.c b/drivers/iio/pressure/zpa2326_spi.c
index 85201a4bae44c2e5899f00756a09905b9cd9c224..5fbd2586c4ea455e58d3a1438b61c183f21bd978 100644 (file)
--- a/drivers/iio/pressure/zpa2326_spi.c
+++ b/drivers/iio/pressure/zpa2326_spi.c
@@ -91,3 +91,4 @@ module_spi_driver(zpa2326_spi_driver);
 MODULE_AUTHOR("Gregor Boirie <gregor.boirie@parrot.com>");
 MODULE_DESCRIPTION("SPI driver for Murata ZPA2326 pressure sensor");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_ZPA2326);