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Commit a7e57dce authored by Sachin Kamat's avatar Sachin Kamat Committed by Jonathan Cameron
Browse files

iio: core: Move kernel doc to the right location 



Documentation related to function should be placed above
its implementation. Move it accordingly.

Signed-off-by: default avatarSachin Kamat <sachin.kamat@linaro.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 8caa07c0

drivers/iio/industrialio-core.c

+42 −0
Original line number Diff line number Diff line
@@ -107,6 +107,11 @@ static const char * const iio_chan_info_postfix[] = { 
	[IIO_CHAN_INFO_INT_TIME] = "integration_time",

};



/**

 * iio_find_channel_from_si() - get channel from its scan index

 * @indio_dev:		device

 * @si:			scan index to match

 */

const struct iio_chan_spec

*iio_find_channel_from_si(struct iio_dev *indio_dev, int si)

{
@@ -922,6 +927,10 @@ struct device_type iio_device_type = { 
	.release = iio_dev_release,

};



/**

 * iio_device_alloc() - allocate an iio_dev from a driver

 * @sizeof_priv:	Space to allocate for private structure.

 **/

struct iio_dev *iio_device_alloc(int sizeof_priv)

{

	struct iio_dev *dev;
@@ -962,6 +971,10 @@ struct iio_dev *iio_device_alloc(int sizeof_priv) 
}

EXPORT_SYMBOL(iio_device_alloc);



/**

 * iio_device_free() - free an iio_dev from a driver

 * @dev:		the iio_dev associated with the device

 **/

void iio_device_free(struct iio_dev *dev)

{

	if (dev)
@@ -984,6 +997,20 @@ static int devm_iio_device_match(struct device *dev, void *res, void *data) 
	return *r == data;

}



/**

 * devm_iio_device_alloc - Resource-managed iio_device_alloc()

 * @dev:		Device to allocate iio_dev for

 * @sizeof_priv:	Space to allocate for private structure.

 *

 * Managed iio_device_alloc. iio_dev allocated with this function is

 * automatically freed on driver detach.

 *

 * If an iio_dev allocated with this function needs to be freed separately,

 * devm_iio_device_free() must be used.

 *

 * RETURNS:

 * Pointer to allocated iio_dev on success, NULL on failure.

 */

struct iio_dev *devm_iio_device_alloc(struct device *dev, int sizeof_priv)

{

	struct iio_dev **ptr, *iio_dev;
@@ -1006,6 +1033,13 @@ struct iio_dev *devm_iio_device_alloc(struct device *dev, int sizeof_priv) 
}

EXPORT_SYMBOL_GPL(devm_iio_device_alloc);



/**

 * devm_iio_device_free - Resource-managed iio_device_free()

 * @dev:		Device this iio_dev belongs to

 * @iio_dev:		the iio_dev associated with the device

 *

 * Free iio_dev allocated with devm_iio_device_alloc().

 */

void devm_iio_device_free(struct device *dev, struct iio_dev *iio_dev)

{

	int rc;
@@ -1080,6 +1114,10 @@ static const struct file_operations iio_buffer_fileops = { 


static const struct iio_buffer_setup_ops noop_ring_setup_ops;



/**

 * iio_device_register() - register a device with the IIO subsystem

 * @indio_dev:		Device structure filled by the device driver

 **/

int iio_device_register(struct iio_dev *indio_dev)

{

	int ret;
@@ -1141,6 +1179,10 @@ int iio_device_register(struct iio_dev *indio_dev) 
}

EXPORT_SYMBOL(iio_device_register);



/**

 * iio_device_unregister() - unregister a device from the IIO subsystem

 * @indio_dev:		Device structure representing the device.

 **/

void iio_device_unregister(struct iio_dev *indio_dev)

{

	mutex_lock(&indio_dev->info_exist_lock);

drivers/iio/industrialio-event.c

+6 −0
Original line number Diff line number Diff line
@@ -42,6 +42,12 @@ struct iio_event_interface { 
	struct attribute_group	group;

};



/**

 * iio_push_event() - try to add event to the list for userspace reading

 * @indio_dev:		IIO device structure

 * @ev_code:		What event

 * @timestamp:		When the event occurred

 **/

int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp)

{

	struct iio_event_interface *ev_int = indio_dev->event_interface;

drivers/iio/industrialio-trigger.c

+24 −0
Original line number Diff line number Diff line
@@ -506,6 +506,23 @@ static int devm_iio_trigger_match(struct device *dev, void *res, void *data) 
	return *r == data;

}



/**

 * devm_iio_trigger_alloc - Resource-managed iio_trigger_alloc()

 * @dev:		Device to allocate iio_trigger for

 * @fmt:		trigger name format. If it includes format

 *			specifiers, the additional arguments following

 *			format are formatted and inserted in the resulting

 *			string replacing their respective specifiers.

 *

 * Managed iio_trigger_alloc.  iio_trigger allocated with this function is

 * automatically freed on driver detach.

 *

 * If an iio_trigger allocated with this function needs to be freed separately,

 * devm_iio_trigger_free() must be used.

 *

 * RETURNS:

 * Pointer to allocated iio_trigger on success, NULL on failure.

 */

struct iio_trigger *devm_iio_trigger_alloc(struct device *dev,

						const char *fmt, ...)

{
@@ -532,6 +549,13 @@ struct iio_trigger *devm_iio_trigger_alloc(struct device *dev, 
}

EXPORT_SYMBOL_GPL(devm_iio_trigger_alloc);



/**

 * devm_iio_trigger_free - Resource-managed iio_trigger_free()

 * @dev:		Device this iio_dev belongs to

 * @iio_trig:		the iio_trigger associated with the device

 *

 * Free iio_trigger allocated with devm_iio_trigger_alloc().

 */

void devm_iio_trigger_free(struct device *dev, struct iio_trigger *iio_trig)

{

	int rc;

include/linux/iio/iio.h

+0 −80
Original line number Diff line number Diff line
@@ -490,35 +490,12 @@ struct iio_dev { 
#endif

};



/**

 * iio_find_channel_from_si() - get channel from its scan index

 * @indio_dev:		device

 * @si:			scan index to match

 */

const struct iio_chan_spec

*iio_find_channel_from_si(struct iio_dev *indio_dev, int si);



/**

 * iio_device_register() - register a device with the IIO subsystem

 * @indio_dev:		Device structure filled by the device driver

 **/

int iio_device_register(struct iio_dev *indio_dev);



/**

 * iio_device_unregister() - unregister a device from the IIO subsystem

 * @indio_dev:		Device structure representing the device.

 **/

void iio_device_unregister(struct iio_dev *indio_dev);



int devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev);

void devm_iio_device_unregister(struct device *dev, struct iio_dev *indio_dev);



/**

 * iio_push_event() - try to add event to the list for userspace reading

 * @indio_dev:		IIO device structure

 * @ev_code:		What event

 * @timestamp:		When the event occurred

 **/

int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp);



extern struct bus_type iio_bus_type;
@@ -582,10 +559,6 @@ static inline void *iio_device_get_drvdata(struct iio_dev *indio_dev) 


/* Can we make this smaller? */

#define IIO_ALIGN L1_CACHE_BYTES

/**

 * iio_device_alloc() - allocate an iio_dev from a driver

 * @sizeof_priv: 	Space to allocate for private structure.

 **/

struct iio_dev *iio_device_alloc(int sizeof_priv);



static inline void *iio_priv(const struct iio_dev *indio_dev)
@@ -599,64 +572,11 @@ static inline struct iio_dev *iio_priv_to_dev(void *priv) 
				  ALIGN(sizeof(struct iio_dev), IIO_ALIGN));

}



/**

 * iio_device_free() - free an iio_dev from a driver

 * @indio_dev: 		the iio_dev associated with the device

 **/

void iio_device_free(struct iio_dev *indio_dev);



/**

 * devm_iio_device_alloc - Resource-managed iio_device_alloc()

 * @dev: 		Device to allocate iio_dev for

 * @sizeof_priv: 	Space to allocate for private structure.

 *

 * Managed iio_device_alloc.  iio_dev allocated with this function is

 * automatically freed on driver detach.

 *

 * If an iio_dev allocated with this function needs to be freed separately,

 * devm_iio_device_free() must be used.

 *

 * RETURNS:

 * Pointer to allocated iio_dev on success, NULL on failure.

 */

struct iio_dev *devm_iio_device_alloc(struct device *dev, int sizeof_priv);



/**

 * devm_iio_device_free - Resource-managed iio_device_free()

 * @dev:		Device this iio_dev belongs to

 * @indio_dev: 		the iio_dev associated with the device

 *

 * Free iio_dev allocated with devm_iio_device_alloc().

 */

void devm_iio_device_free(struct device *dev, struct iio_dev *indio_dev);



/**

 * devm_iio_trigger_alloc - Resource-managed iio_trigger_alloc()

 * @dev:		Device to allocate iio_trigger for

 * @fmt:		trigger name format. If it includes format

 *			specifiers, the additional arguments following

 *			format are formatted and inserted in the resulting

 *			string replacing their respective specifiers.

 *

 * Managed iio_trigger_alloc.  iio_trigger allocated with this function is

 * automatically freed on driver detach.

 *

 * If an iio_trigger allocated with this function needs to be freed separately,

 * devm_iio_trigger_free() must be used.

 *

 * RETURNS:

 * Pointer to allocated iio_trigger on success, NULL on failure.

 */

struct iio_trigger *devm_iio_trigger_alloc(struct device *dev,

						const char *fmt, ...);



/**

 * devm_iio_trigger_free - Resource-managed iio_trigger_free()

 * @dev:		Device this iio_dev belongs to

 * @iio_trig:		the iio_trigger associated with the device

 *

 * Free iio_trigger allocated with devm_iio_trigger_alloc().

 */

void devm_iio_trigger_free(struct device *dev, struct iio_trigger *iio_trig);



/**