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Date:   Fri, 3 May 2019 11:40:15 +1000
From:   "Tobin C. Harding" <me@...in.cc>
To:     Johan Hovold <johan@...nel.org>
Cc:     "Tobin C. Harding" <tobin@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Jiri Kosina <jikos@...nel.org>,
        Miroslav Benes <mbenes@...e.cz>,
        Petr Mladek <pmladek@...e.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 3/5] kobject: Fix kernel-doc comment first line

On Thu, May 02, 2019 at 10:39:22AM +0200, Johan Hovold wrote:
> On Thu, May 02, 2019 at 06:25:39PM +1000, Tobin C. Harding wrote: > Adding Jon to CC
> > 
> > On Thu, May 02, 2019 at 09:38:23AM +0200, Johan Hovold wrote:
> > > On Thu, May 02, 2019 at 12:31:40PM +1000, Tobin C. Harding wrote:
> > > > kernel-doc comments have a prescribed format.  This includes parenthesis
> > > > on the function name.  To be _particularly_ correct we should also
> > > > capitalise the brief description and terminate it with a period.
> > > 
> > > Why do think capitalisation and full stop is required for the function
> > > description?
> > > 
> > > Sure, the example in the current doc happen to use that, but I'm not
> > > sure that's intended as a prescription.
> > > 
> > > The old kernel-doc nano-HOWTO specifically did not use this:
> > > 
> > > 	https://www.kernel.org/doc/Documentation/kernel-doc-nano-HOWTO.txt
> > > 
> > 
> > Oh?  I was basing this on Documentation/doc-guide/kernel-doc.rst
> > 
> > 	Function documentation
> > 	----------------------
> > 
> > 	The general format of a function and function-like macro kernel-doc comment is::
> > 
> > 	  /**
> > 	   * function_name() - Brief description of function.
> > 	   * @arg1: Describe the first argument.
> > 	   * @arg2: Describe the second argument.
> > 	   *        One can provide multiple line descriptions
> > 	   *        for arguments.
> > 
> > I figured that was the canonical way to do kernel-doc function
> > comments.  I have however refrained from capitalising and adding the
> > period to argument strings to reduce code churn.  I figured if I'm
> > touching the line to add parenthesis then I might as well make it
> > perfect (if such a thing exists).
>
> I think you may have read too much into that example. Many of the
> current function and parameter descriptions aren't even full sentences,
> so sentence case and full stop doesn't really make any sense.
>
> Looks like we discussed this last fall as well:

Ha, this was funny.  By 'we' at first I thought you meant 'we the kernel
community' but you actually meant we as in 'me and you'.  Clearly you
failed to convince me last time :)

> 	https://lkml.kernel.org/r/20180912093116.GC1089@localhost

I am totally aware this is close to code churn and any discussion is
bikeshedding ... for me just because loads of places don't do this it
still looks nicer to my eyes

/**
* sfn() - Super awesome function.

than

/**
*/ sfn() - super awesome function

I most likely will keep doing these changes if I am touching the
kernel-doc comments for other reasons and then drop the changes if the
subsystem maintainer thinks its code churn.

I defiantly won't do theses changes in GNSS, GREYBUS, or USB SERIAL.

Oh, and I'm totally going to CC you know every time I flick one of these
patches, prepare to get spammed :)

Cheers,
Tobin.

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