linux-kernel - Re: [PATCH 1/3] genclk: add generic framework for managing clocks.

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Date:	Sun, 13 Jul 2008 14:12:32 -0700
From:	David Brownell <david-b@...bell.net>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Dmitry Baryshkov <dbaryshkov@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Haavard Skinnemoen <haavard.skinnemoen@...el.com>,
	Russell King <rmk+lkml@....linux.org.uk>,
	Paul Mundt <lethal@...ux-sh.org>,
	pHilipp Zabel <philipp.zabel@...il.com>,
	Pavel Machek <pavel@....cz>, tony@...mide.com, paul@...an.com,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	ian <spyro@....com>
Subject: Re: [PATCH 1/3] genclk: add generic framework for managing clocks.

On Saturday 12 July 2008, Andrew Morton wrote:
> > +EXPORT_SYMBOL(clk_get_parent);
> 
> As this is a new kernel-wide utility library, it is appropriate that
> all of its public interfaces (at least) be documented.  An appropriate
> way of doing that is via kerneldoc annotation.  Please don't forget to
> document return values and call environment prerequisites (eg: requires
> foo_lock, may be called from interrupt context, etc, etc).

That is, the stuff that's not already documented in <linux/clk.h>;
that's where clk_get_parent() is documented, for example.

I'd suggest a separate (for review!) doc patch to add this to the
stuff that's at the end of Documentation/DocBook/kernel-api.tmpl 
in 2.6.26 ... possibly the existing clk.h interface stuff should
become a <sect1> and the new implementation glue should become
a sibling <sect1>, that will cleanly separate the two.

- Dave
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