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Date:   Wed, 19 Aug 2020 17:58:43 -0700
From:   Jacob Keller <jacob.e.keller@...el.com>
To:     David Miller <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, jiri@...lanox.com, kuba@...nel.org,
        corbet@....net, michael.chan@...adcom.com, luobin9@...wei.com,
        saeedm@...lanox.com, leon@...nel.org, idosch@...lanox.com,
        danieller@...lanox.com
Subject: Re: [net-next v3 1/4] devlink: check flash_update parameter support
 in net core



On 8/19/2020 4:36 PM, David Miller wrote:
> From: Jacob Keller <jacob.e.keller@...el.com>
> Date: Tue, 18 Aug 2020 17:28:15 -0700
> 
>> @@ -991,6 +993,12 @@ enum devlink_trap_group_generic_id {
>>  	}
>>  
>>  struct devlink_ops {
>> +	/**
>> +	 * @supported_flash_update_params:
>> +	 * mask of parameters supported by the driver's .flash_update
>> +	 * implemementation.
>> +	 */
>> +	u32 supported_flash_update_params;
>>  	int (*reload_down)(struct devlink *devlink, bool netns_change,
>>  			   struct netlink_ext_ack *extack);
>>  	int (*reload_up)(struct devlink *devlink,
> 
> Jakub asked if this gave W=1 warnings.  Then you responded that you didn't
> see any warnings with allmodconfig nor allyesconfig, but that isn't the
> question Jakub asked.
> 

Ah, yes I should have been more specific:

> Are you building with W=1 explicitly added to the build?
>

I did

$ make allyesconfig
$ make W=1 &>allyes.txt
$ cat allyes.txt | grep warning | grep devlink
drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c:917: warning: Function
parameter or member 'devlink' not described in 'hinic_init_hwdev'



and
$ make allmodconfig
$ make W=1 *>allmod.txt
$ cat allyes.txt | grep warning | grep devlink
drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c:917: warning: Function
parameter or member 'devlink' not described in 'hinic_init_hwdev'
I also looked at those manually, there's about 15k warnings with W=1 on
allyesconfig, but none of them appear to be related to the changes in
this patch.

> The issue is this kerneldoc might not be formatted correctly, and such
> warnings won't be presented without doing a W=1 build.
> 
> Thank you.
> 

Sure.

I also manually ran:

$ ./scripts/kernel-doc -v -none include/uapi/linux/devlink.h
include/uapi/linux/devlink.h:232: info: Scanning doc for enum
devlink_trap_action
include/uapi/linux/devlink.h:246: info: Scanning doc for enum
devlink_trap_type

Hope this helps clarify.

Thanks,
Jake

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