staging:iio: remove defunct iio_put and iio_get.

All iio dependent modules statically depend on industrialio
so these aren't needed. Not sure why they originally existed,
but they aren't now.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/iio/iio_core.h

@@ -13,16 +13,6 @@
 #ifndef _IIO_CORE_H_
 #define _IIO_CORE_H_
 
-/**
- * iio_put() - internal module reference count reduce
- **/
-void iio_put(void);
-
-/**
- * iio_get() - internal module reference count increase
- **/
-void iio_get(void);
-
 int __iio_add_chan_devattr(const char *postfix,
 			   const char *group,
 			   struct iio_chan_spec const *chan,

drivers/staging/iio/industrialio-core.c

@@ -1018,7 +1018,6 @@ static void iio_dev_release(struct device *device)
 {
 	struct iio_dev *dev_info = container_of(device, struct iio_dev, dev);
 	cdev_del(&dev_info->chrdev);
-	iio_put();
 	kfree(dev_info);
 }
 
@@ -1048,7 +1047,6 @@ struct iio_dev *iio_allocate_device(int sizeof_priv)
 		device_initialize(&dev->dev);
 		dev_set_drvdata(&dev->dev, (void *)dev);
 		mutex_init(&dev->mlock);
-		iio_get();
 	}
 
 	return dev;
@@ -1057,10 +1055,8 @@ EXPORT_SYMBOL(iio_allocate_device);
 
 void iio_free_device(struct iio_dev *dev)
 {
-	if (dev) {
-		iio_put();
+	if (dev)
 		kfree(dev);
-	}
 }
 EXPORT_SYMBOL(iio_free_device);
 
@@ -1173,17 +1169,6 @@ void iio_device_unregister(struct iio_dev *dev_info)
 	device_unregister(&dev_info->dev);
 }
 EXPORT_SYMBOL(iio_device_unregister);
-
-void iio_put(void)
-{
-	module_put(THIS_MODULE);
-}
-
-void iio_get(void)
-{
-	__module_get(THIS_MODULE);
-}
-
 subsys_initcall(iio_init);
 module_exit(iio_exit);
 

drivers/staging/iio/industrialio-trigger.c

@@ -394,7 +394,6 @@ static void iio_trig_release(struct device *device)
 	}
 	kfree(trig->name);
 	kfree(trig);
-	iio_put();
 }
 
 static struct device_type iio_trig_type = {
@@ -461,7 +460,6 @@ struct iio_trigger *iio_allocate_trigger(const char *fmt, ...)
 					  IRQ_NOREQUEST | IRQ_NOAUTOEN,
 					  IRQ_NOPROBE);
 		}
-		iio_get();
 		get_device(&trig->dev);
 	}
 	return trig;