Re: [PATCH 2/2] extcon: Add new extcon_register_notifier_all() to monitor all external connectors

From: Andy Shevchenko
Date: Thu Mar 30 2017 - 06:43:02 EST


On Thu, Mar 30, 2017 at 12:24 PM, Chanwoo Choi <cw00.choi@xxxxxxxxxxx> wrote:
> On 2017ë 03ì 30ì 18:05, Andy Shevchenko wrote:
>> On Thu, Mar 30, 2017 at 11:39 AM, Chanwoo Choi <cw00.choi@xxxxxxxxxxx> wrote:
>>> The extcon core already provides the extcon_register_notifier() function
>>> in order to register the notifier block which is used to monitor
>>> the status change for the specific external connector such as EXTCON_USB,
>>> EXTCON_USB_HOST and so on. The extcon consumer uses the this function.
>>>
>>> The extcon consumer may need to monitor the all supported external
>>> connectors from the extcon device. In this case, The extcon consumer
>>> should have each notifier_block structure for each external connector.
>>>
>>> This patch adds the new extcon_register_notifier_all() function
>>> that extcon consumer is able to monitor the status change of all
>>> supported external connectors by using only one notifier_block structure.
>>>
>>
>>> +/**
>>> + * extcon_register_notifier_all() - Register a notifier block to get the noti
>>> + * of the status change for all supported external
>>> + * connectors from extcon.
>>> + * @edev: the extcon device that has the external connecotr.
>>> + * @nb: a notifier block to be registered.
>>> + *
>>> + * Note that the second parameter given to the callback of nb (val) is
>>> + * the current state and third parameter is the edev pointer.
>>> + */
>>
>> Have you checked how it looks like in resulting document file (man /
>> html / ...) ?
>> My concern is multi-line short function description.
>>
>
> Actually, I didn't consider the document file as you mentioned.
> Do you think need to add more detailed description?

What I meant is the quite long line in *short* description (fist line
heading with function name).
See Documentation/doc-guide/kernel-doc.rst for the detailed howto.

--
With Best Regards,
Andy Shevchenko