[U-Boot] [PATCH 2/2] document network driver framework

[Mike Frysinger]

On Wednesday 22 July 2009 19:00:40 Andy Fleming wrote:
> On Sat, Jul 18, 2009 at 8:04 PM, Mike Frysinger <vapier at gentoo.org> wrote:
> > +----------------
> > + CONFIG Options
> > +----------------
> > +
> > +The common config defines your device should respect (if applicable):
> > +       CONFIG_MII  - configure in MII mode
> > +       CONFIG_RMII - configure in RMII mode
>
> That's awfully global, and inflexible.  I don't think there's any
> convention here that should be encouraged.  The data bus configuration is a
> per-device attribute.  If some system architects choose to allow this into
> their config files, far be it from me to protest, but I'm against it.

feel free to fix it then.  this is a case of me documenting existing practice 
and not feeling like doing the footwork to fix drivers.  you can not like it 
all you want, but that doesnt change reality.

> Also, CONFIG_MII doesn't mean what you think it means.  It stems from the
> obnoxious overlap in terms set forth by IEEE 802.3.  The MII in this case
> refers to the MII Management bus.  Defining CONFIG_MII will cause
> miiphyutil.c to be built, which is a bit-bang MII Management bus driver. 
> It will also enable some MII Management features.  CONFIG_MII is therefore
> a relevant CONFIG option for most drivers.

yes, that's obvious, so i'm not sure why i missed it (especially considering i 
also wrote support for it in the Blackfin net driver).  i'll update the doc.
-mike
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