Re: Checkpatch problem with Kconfig help symbol ?

From: Tomas Winkler
Date: Mon Jan 31 2011 - 14:08:13 EST


On Mon, Jan 31, 2011 at 3:42 PM, Andy Whitcroft <apw@xxxxxxxxxxxxx> wrote:
> On Mon, Jan 31, 2011 at 12:15:10PM +0200, Tomas Winkler wrote:
>> On Mon, Jan 31, 2011 at 10:19 AM, Tapio Vihuri <tapio.vihuri@xxxxxxxxx> wrote:
>> > On Fri, 2011-01-21 at 10:17 +0000, ext Andy Whitcroft wrote:
>> >> On Fri, Jan 21, 2011 at 09:19:31AM +0200, Tapio Vihuri wrote:
>> >> > On Thu, 2011-01-20 at 10:38 +0100, ext Michal Marek wrote:
>> >> > > On 20.1.2011 09:06, WANG Cong wrote:
>> >> > > > On Wed, 19 Jan 2011 14:42:48 +0200, Tapio Vihuri wrote:
>> >> > > >
>> >> > > >> Hi
>> >> > > >>
>> >> > > >> Is this false positive ?
>> >> > > >>
>> >> > > >> WARNING: please write a paragraph that describes the config symbol fully
>> >> > > >> #60: FILE: drivers/input/misc/Kconfig:159: + Â Â Â help
>> >> > > >>
>> >> > > >>
>> >> > > >> Interesting enough, also:
>> >> > > >>
>> >> > > >> ./scripts/checkpatch.pl --file drivers/input/misc/Kconfig WARNING:
>> >> > > >> please write a paragraph that describes the config symbol fully #430:
>> >> > > >> FILE: input/misc/Kconfig:430:
>> >> > > >> + Â Â Â help
>> >> > > >>
>> >> > > >>
>> >> > > >> But this is different line.
>> >> > > >>
>> >> > > >
>> >> > > > Seems yes, the Kconfig part of your patch looks fine.
>> >> > >
>> >> > > The check is complaining that the help text is too short:
>> >> > >
>> >> > > +config ECI_CTRL_DEBUG
>> >> > > + bool "ECI controller debug"
>> >> > > + depends on INPUT_ECI_AT20
>> >> > > + help
>> >> > > + Â Say Y here to enable debugging messages for ECI controller driver.
>> >> > >
>> >> > > Michal
>> >> >
>> >> > Hi.
>> >> >
>> >> > That I suspect, and I tried to add four lines more.
>> >> > But it still complain the same.
>> >>
>> >> If you have a patch which has four or more lines and trips this message
>> >> it is false yes. ÂPlease do send me your example, as my current tests
>> >> pass.
>> >>
>> >> -apw
>> >
>> > Hi.
>> >
>> > Sorry for the delay, I had made stupid email filter. Mea Culpa.
>> >
>> > It's working OK. If there is only three lines of help, checkpatch will
>> > complain.
>> > With four lines, it's not.
>> >
>> > I add more help in my case. It toggle driver debug on/off, so I try
>> > harder to figure out how to say it with more words ;)
>> >
>> > BR,
>> > Tapio
>> >
>>
>> I believe that the warning is not descriptive enough, I also had to
>> look into the checkpatch script to
>> figure out what is going on.
>> What about adding little explanation like that:
>>
>> WARNING: please write a paragraph that describes the config symbol
>> fully (4 lines at least)
>
> Yeah that is a little better. ÂI do remind you that if the description
> is good enough shorter than 4 lines then you can ignore checkpatch. ÂIt
> is a style guide not a style enforcer. ÂYou are allowed to ignore things
> if you can justify it.

Please consider patch I've posted
http://marc.info/?l=linux-kernel&m=129647530611677&w=2

Thanks
Tomas
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