Staging: iio: Staticise non-exported functions

Staticise a number of functions which aren't exported outside their
source files, and also add a __user annotation for the buffer in
iio_event_chrdev_read().

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 9 insertions, 9 deletions

diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 4ff683a3df31..b456dfc8fe27 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -118,7 +118,7 @@ int iio_push_event(struct iio_dev *dev_info,
 EXPORT_SYMBOL(iio_push_event);
 
 /* Generic interrupt line interrupt handler */
-irqreturn_t iio_interrupt_handler(int irq, void *_int_info)
+static irqreturn_t iio_interrupt_handler(int irq, void *_int_info)
 {
         struct iio_interrupt *int_info = _int_info;
         struct iio_dev *dev_info = int_info->dev_info;
@@ -252,10 +252,10 @@ void iio_remove_event_from_list(struct iio_event_handler_list *el,
 }
 EXPORT_SYMBOL(iio_remove_event_from_list);
 
-ssize_t iio_event_chrdev_read(struct file *filep,
-                              char *buf,
-                              size_t count,
-                              loff_t *f_ps)
+static ssize_t iio_event_chrdev_read(struct file *filep,
+                                     char __user *buf,
+                                     size_t count,
+                                     loff_t *f_ps)
 {
         struct iio_event_interface *ev_int = filep->private_data;
         struct iio_detected_event_list *el;
@@ -313,7 +313,7 @@ error_ret:
         return ret;
 }
 
-int iio_event_chrdev_release(struct inode *inode, struct file *filep)
+static int iio_event_chrdev_release(struct inode *inode, struct file *filep)
 {
         struct iio_handler *hand = iio_cdev_to_handler(inode->i_cdev);
         struct iio_event_interface *ev_int = hand->private;
@@ -335,7 +335,7 @@ int iio_event_chrdev_release(struct inode *inode, struct file *filep)
         return 0;
 }
 
-int iio_event_chrdev_open(struct inode *inode, struct file *filep)
+static int iio_event_chrdev_open(struct inode *inode, struct file *filep)
 {
         struct iio_handler *hand = iio_cdev_to_handler(inode->i_cdev);
         struct iio_event_interface *ev_int = hand->private;
diff --git a/drivers/staging/iio/trigger_consumer.h b/drivers/staging/iio/trigger_consumer.h
index a02d70b0d24a..9d52d9637777 100644
--- a/drivers/staging/iio/trigger_consumer.h
+++ b/drivers/staging/iio/trigger_consumer.h
@@ -27,7 +27,7 @@ int iio_device_unregister_trigger_consumer(struct iio_dev *dev_info);
  * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
  * @dev_info: iio_dev associated with the device that will consume the trigger
  **/
-int iio_device_register_trigger_consumer(struct iio_dev *dev_info)
+static int iio_device_register_trigger_consumer(struct iio_dev *dev_info)
 {
         return 0;
 };
@@ -36,7 +36,7 @@ int iio_device_register_trigger_consumer(struct iio_dev *dev_info)
  * iio_device_unregister_trigger_consumer() - reverse the registration process
  * @dev_info: iio_dev associated with the device that consumed the trigger
  **/
-int iio_device_unregister_trigger_consumer(struct iio_dev *dev_info)
+static int iio_device_unregister_trigger_consumer(struct iio_dev *dev_info)
 {
         return 0;
 };