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    SubjectRe: [PATCH] gpiolib: wm8994: Use irq_domain mappings for gpios
    On Mon, Jun 04, 2012 at 07:08:43PM +0200, Linus Walleij wrote:

    > I read some drivers/base/regmap code and I think I understand this stuff
    > now, but seriously, it's quite hard to see the forest with all these trees,
    > and regmap is actually one of the finest new things in recent kernels,
    > so can could we create
    > Documentation/driver-model/regmap.txt?

    Of course, someone can!

    > I think this document is needed... I would write it myself if I felt I
    > understood the regmap overall concepts well enough, but I'm
    > certain to get something wrong.

    Well, there's one sure fire way to make sure you've got a good
    understanding :)

    More seriously I'm not sure I could readily tell what's non-obvious and
    worth writing a document about. Personally I always just read the
    commit logs for Linux stuff, they're some of the best documentation I've
    ever seen for software.
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