Re: [PATCH] fpga: dfl: fme: fix kernel-doc comments for some functions

[Randy Dunlap]

On 4/1/24 8:47 PM, Xu Yilun wrote:
> On Thu, Mar 28, 2024 at 08:15:42PM -0400, Peter Colberg wrote:
>> From: Xu Yilun <yilun.xu@xxxxxxxxx>
> 
> I didn't remember I wrote this exact patch, but anyway the patch itself
> is confusing.
> 
>>
>> lkp reported 2 build warnings:
>>
>>    drivers/fpga/dfl/dfl-fme-pr.c:175: warning: Function parameter or member 'feature' not described in 'dfl_fme_create_mgr'
>>
>>>> drivers/fpga/dfl/dfl-fme-pr.c:280: warning: expecting prototype for
>>>> dfl_fme_destroy_bridge(). Prototype was for dfl_fme_destroy_bridges()
>>>> instead
>>
>> Fixes: 29de76240e86 ("fpga: dfl: fme: add partial reconfiguration sub feature support")
>> Reported-by: kernel test robot <lkp@xxxxxxxxx>
>> Signed-off-by: Xu Yilun <yilun.xu@xxxxxxxxx>
>> Signed-off-by: Peter Colberg <peter.colberg@xxxxxxxxx>

All kernel-doc issues with this source file are already fixed in linux-next
by this commit:

commit 782d8e61b5d6
Author: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Date:   Thu Jan 12 22:37:20 2023 -0800

    fpga: dfl: kernel-doc corrections
    
    Fix W=1 kernel-doc warnings in drivers/fpga/:


>> ---
>>  drivers/fpga/dfl-fme-pr.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/fpga/dfl-fme-pr.c b/drivers/fpga/dfl-fme-pr.c
>> index cdcf6dea4cc9..96cb24787ab1 100644
>> --- a/drivers/fpga/dfl-fme-pr.c
>> +++ b/drivers/fpga/dfl-fme-pr.c
>> @@ -166,6 +166,7 @@ static int fme_pr(struct platform_device *pdev, unsigned long arg)
>>   * dfl_fme_create_mgr - create fpga mgr platform device as child device
>>   * @feature: sub feature info
> 
> The member 'feature' is described here. It still causes build warning?
> 
>>   * @pdata: fme platform_device's pdata
>> + * @feature: the dfl fme PR sub feature
> 
> Why adding a duplicated item would fix the warning?
> 
>>   *
>>   * Return: mgr platform device if successful, and error code otherwise.
>>   */
>> @@ -273,7 +274,7 @@ static void dfl_fme_destroy_bridge(struct dfl_fme_bridge *fme_br)
>>  }
>>  
>>  /**
>> - * dfl_fme_destroy_bridges - destroy all fpga bridge platform device
> 
> The prototype is for dfl_fme_destroy_bridges(), why the warning?
> 
>> + * dfl_fme_destroy_bridges - destroy all fpga bridge platform devices
> 
> Correct the plural form in description would fix the warning?
> 
>>   * @pdata: fme platform device's pdata
>>   */
>>  static void dfl_fme_destroy_bridges(struct dfl_feature_platform_data *pdata)
>> -- 
>> 2.44.0
>>
>>
> 

-- 
#Randy