Jonathan Cameron schrieb am 02.08.2015 um 19:33:
> On 24/07/15 14:21, Cristina Opriceana wrote:
>> Fix kernel docs warnings by adding the missing fields,
>> each with its associated description.
>>
>> Signed-off-by: Cristina Opriceana <[email protected]>
> Applied.  Thanks
> 
> Jonathan
>> ---
>>  drivers/iio/industrialio-event.c | 6 ++++++
>>  1 file changed, 6 insertions(+)
>>
>> diff --git a/drivers/iio/industrialio-event.c 
>> b/drivers/iio/industrialio-event.c
>> index 894d813..b2f63f9 100644
>> --- a/drivers/iio/industrialio-event.c
>> +++ b/drivers/iio/industrialio-event.c
>> @@ -32,6 +32,7 @@
>>   * @dev_attr_list:  list of event interface sysfs attribute
>>   * @flags:          file operations related flags including busy flag.
>>   * @group:          event interface sysfs attribute group
>> + * @read_lock:              lock to protect kfifo read operations
>>   */
>>  struct iio_event_interface {
>>      wait_queue_head_t       wait;
>> @@ -75,6 +76,11 @@ EXPORT_SYMBOL(iio_push_event);
>>  
>>  /**
>>   * iio_event_poll() - poll the event queue to find out if it has data
>> + * @filep:  File structure pointer to identify the device
>> + * @wait:   Poll table pointer to add the wait queue on
>> + *
>> + * Return: (POLLIN | POLLRDNORM) if data is available for reading
>> + *     or a negative error code on failure

This can also return 0 if no data is available.

Actually, being unsigned int, the intended negative error code won't
appear - ouch! Any volunteers to address this issue?

>>   */
>>  static unsigned int iio_event_poll(struct file *filep,
>>                           struct poll_table_struct *wait)
>>
> 
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