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Commit c3e5d410 authored by Jonathan Cameron's avatar Jonathan Cameron Committed by Greg Kroah-Hartman
Browse files

staging: iio: unecessary header removal and kernel doc clean up

parent b6e5d69a
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+5 −6
Original line number Diff line number Diff line
@@ -15,10 +15,8 @@
 */
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/fs.h>
#include <linux/poll.h>
#include <linux/module.h>
#include <linux/cdev.h>
#include <linux/slab.h>

@@ -53,7 +51,7 @@ int iio_push_or_escallate_ring_event(struct iio_ring_buffer *ring_buf,
EXPORT_SYMBOL(iio_push_or_escallate_ring_event);

/**
 * iio_ring_open() chrdev file open for ring buffer access
 * iio_ring_open() - chrdev file open for ring buffer access
 *
 * This function relies on all ring buffer implementations having an
 * iio_ring_buffer as their first element.
@@ -91,7 +89,7 @@ static int iio_ring_release(struct inode *inode, struct file *filp)
}

/**
 * iio_ring_rip_outer() chrdev read for ring buffer access
 * iio_ring_rip_outer() - chrdev read for ring buffer access
 *
 * This function relies on all ring buffer implementations having an
 * iio_ring _bufer as their first element.
@@ -136,8 +134,9 @@ static const struct file_operations iio_ring_fileops = {
};

/**
 * __iio_request_ring_buffer_event_chrdev() allocate ring event chrdev
 * __iio_request_ring_buffer_event_chrdev() - allocate ring event chrdev
 * @buf:	ring buffer whose event chrdev we are allocating
 * @id:		id of this ring buffer (typically 0)
 * @owner:	the module who owns the ring buffer (for ref counting)
 * @dev:	device with which the chrdev is associated
 **/
+60 −9
Original line number Diff line number Diff line
@@ -13,9 +13,7 @@

#ifdef CONFIG_IIO_RING_BUFFER

struct iio_handler;
struct iio_ring_buffer;
struct iio_dev;

/**
 * iio_push_ring_event() - ring buffer specific push to event chrdev
@@ -99,7 +97,7 @@ struct iio_ring_access_funcs {
 * @id:			unique id number
 * @access_id:		device id number
 * @length:		[DEVICE] number of datums in ring
 * @bytes_per_datum	[DEVICE] size of individual datum including timestamp
 * @bytes_per_datum:	[DEVICE] size of individual datum including timestamp
 * @bpe:		[DEVICE] size of individual channel value
 * @loopcount:		[INTERN] number of times the ring has looped
 * @scan_el_attrs:	[DRIVER] control of scan elements if that scan mode
@@ -143,6 +141,12 @@ struct iio_ring_buffer {
	int				(*postdisable)(struct iio_dev *);

};

/**
 * iio_ring_buffer_init() - Initialize the buffer structure
 * @ring: buffer to be initialized
 * @dev_info: the iio device the buffer is assocated with
 **/
void iio_ring_buffer_init(struct iio_ring_buffer *ring,
			  struct iio_dev *dev_info);

@@ -201,7 +205,7 @@ struct iio_scan_el {
ssize_t iio_scan_el_store(struct device *dev, struct device_attribute *attr,
			  const char *buf, size_t len);
/**
 * iio_scal_el_show() -	sysfs interface to query whether a scan element is
 * iio_scan_el_show() -	sysfs interface to query whether a scan element
 *			is enabled or not
 * @dev: the target device
 * @attr: the device attribute that is being processed
@@ -210,9 +214,16 @@ ssize_t iio_scan_el_store(struct device *dev, struct device_attribute *attr,
ssize_t iio_scan_el_show(struct device *dev, struct device_attribute *attr,
			 char *buf);

/**
 * iio_scan_el_ts_store() - sysfs interface to set whether a timestamp is included
 *			    in the scan.
 **/
ssize_t iio_scan_el_ts_store(struct device *dev, struct device_attribute *attr,
			     const char *buf, size_t len);

/**
 * iio_scan_el_ts_show() - sysfs interface to query if a timestamp is included
 *			   in the scan.
 **/
ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr,
			    char *buf);
/**
@@ -256,6 +267,7 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr,
	__IIO_SCAN_NAMED_EL_C(_name, _string, _number, _bits, _label, _cf)
/**
 * IIO_SCAN_EL_TIMESTAMP - declare a special scan element for timestamps
 * @number: specify where in the scan order this is stored.
 *
 * Odd one out. Handled slightly differently from other scan elements.
 **/
@@ -307,6 +319,11 @@ static inline int iio_scan_mask_query(struct iio_ring_buffer *ring, int bit)
	return !!(mask & (1 << bit));
};

/**
 * iio_scan_mask_set() - set particular bit in the scan mask
 * @ring: the ring buffer whose scan mask we are interested in
 * @bit: the bit to be set.
 **/
static inline int iio_scan_mask_set(struct iio_ring_buffer *ring, int bit)
{
	struct iio_dev *dev_info = ring->indio_dev;
@@ -327,6 +344,11 @@ static inline int iio_scan_mask_set(struct iio_ring_buffer *ring, int bit)
	return 0;
};

/**
 * iio_scan_mask_clear() - clear a particular element from the scan mask
 * @ring: the ring buffer whose scan mask we are interested in
 * @bit: the bit to clear
 **/
static inline int iio_scan_mask_clear(struct iio_ring_buffer *ring, int bit)
{
	if (bit > IIO_MAX_SCAN_LENGTH)
@@ -338,7 +360,7 @@ static inline int iio_scan_mask_clear(struct iio_ring_buffer *ring, int bit)

/**
 * iio_scan_mask_count_to_right() - how many scan elements occur before here
 * @dev_info: the iio_device whose scan mode we are querying
 * @ring: the ring buffer whose scan mask we interested in
 * @bit: which number scan element is this
 **/
static inline int iio_scan_mask_count_to_right(struct iio_ring_buffer *ring,
@@ -357,7 +379,10 @@ static inline int iio_scan_mask_count_to_right(struct iio_ring_buffer *ring,
	return count;
}


/**
 * iio_put_ring_buffer() - notify done with buffer
 * @ring: the buffer we are done with.
 **/
static inline void iio_put_ring_buffer(struct iio_ring_buffer *ring)
{
	put_device(&ring->dev);
@@ -367,23 +392,49 @@ static inline void iio_put_ring_buffer(struct iio_ring_buffer *ring)
	container_of(d, struct iio_ring_buffer, dev)
#define access_dev_to_iio_ring_buffer(d)			\
	container_of(d, struct iio_ring_buffer, access_dev)

/**
 * iio_ring_buffer_register() - register the buffer with IIO core
 * @ring: the buffer to be registered
 * @id: the id of the buffer (typically 0)
 **/
int iio_ring_buffer_register(struct iio_ring_buffer *ring, int id);

/**
 * iio_ring_buffer_unregister() - unregister the buffer from IIO core
 * @ring: the buffer to be unregistered
 **/
void iio_ring_buffer_unregister(struct iio_ring_buffer *ring);

/**
 * iio_read_ring_length() - attr func to get number of datums in the buffer
 **/
ssize_t iio_read_ring_length(struct device *dev,
			     struct device_attribute *attr,
			     char *buf);
/**
 * iio_write_ring_length() - attr func to set number of datums in the buffer
 **/
ssize_t iio_write_ring_length(struct device *dev,
			      struct device_attribute *attr,
			      const char *buf,
			      size_t len);
/**
 * iio_read_ring_bytes_per_datum() - attr for number of bytes in whole datum
 **/
ssize_t iio_read_ring_bytes_per_datum(struct device *dev,
			  struct device_attribute *attr,
			  char *buf);
/**
 * iio_store_ring_enable() - attr to turn the buffer on
 **/
ssize_t iio_store_ring_enable(struct device *dev,
			      struct device_attribute *attr,
			      const char *buf,
			      size_t len);
/**
 * iio_show_ring_enable() - attr to see if the buffer is on
 **/
ssize_t iio_show_ring_enable(struct device *dev,
			     struct device_attribute *attr,
			     char *buf);