From: David Gibson <david@gibson•dropbear.id.au>
To: Olof Johansson <olof@lixom•net>
Cc: linuxppc-dev@ozlabs•org, Paul Mackerras <paulus@samba•org>
Subject: Re: [PATCH 4/6] Device tree aware EMAC driver
Date: Mon, 7 May 2007 14:10:34 +1000 [thread overview]
Message-ID: <20070507041034.GE21287@localhost.localdomain> (raw)
In-Reply-To: <20070507035639.GA5567@lixom.net>
On Sun, May 06, 2007 at 10:56:39PM -0500, Olof Johansson wrote:
> Hi,
>
> On Mon, May 07, 2007 at 11:40:51AM +1000, David Gibson wrote:
> > On Sun, May 06, 2007 at 07:57:23PM -0500, Olof Johansson wrote:
> > > On Mon, May 07, 2007 at 10:30:19AM +1000, David Gibson wrote:
> > > > This is BenH's rewritten, device tree aware driver for the IBM/AMCC
> > > > EMAC, ethernet MAC controller ASIC found on various 4xx CPUs and also
> > > > the Axon bridge. Tweaked to build on current kernels.
> > >
> > > Shouldn't benh have a signoff line on it as well in that case?
> >
> > Well, his patch which I tweaked didn't have his signoff, so I didn't
> > think I ought to add it.
>
> Heh, ok.
>
> > > Is it ibm_emac or ibm_newemac? All file headers say ibm_emac, and there's
> > > still Kconfig references to ibm_emac.
> >
> > It's ibm_newemac, the file headers just haven't been updated. The
> > Kconfig changes referring to ibm_emac are just because the patch moves
> > the suboptions for the old emac driver into their own subdirectory,
> > and it inhibits selecting the old emac driver in arch/powerpc.
>
> Hm, so it both modifies the old driver and adds the new one?
Well, barely. It moves the Kconfig around a little for the old
driver, but doesn't change the actual code at all.
> Is the plan
> to have both of them in parallel? Sounds wasteful, but I guess it'll be
> hard to avoid until 4xx is dead in arch/ppc.
Exactly.
> > > (Is this just posted FYI? If not, it should really go to netdev/jgarzik
> > > instead, right?)
> >
> > This is just FYI at the moment, or rather, it's not really an Ebony
> > related patch but it's in this series because the Ebony support is
> > much more interesting if the ethernet works.
>
> Ok. It really sucks trying to review patches of this size, but I'll try
> to make a few passes over it.
>
> It'd be useful to just see the incremental steps of how it was morphed
> from the current driver, but that's a pain to recreate once you have
> this kind of blob. Especially if you inherited the bulk of it. :-)
Heh. Talk to Ben, but I think he'll be too busy to reply, let alone
reconstruct the patch sequence. My contribution is a one-liner to fix
a recent build failure.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
prev parent reply other threads:[~2007-05-07 4:10 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-04 5:54 [0/6] Ebony support David Gibson
2007-05-04 5:57 ` [PATCH 3/6] Add device tree for Ebony David Gibson
2007-05-04 5:57 ` [PATCH 6/6] Early serial debug support for PPC44x David Gibson
2007-05-04 5:57 ` [PATCH 5/6] Support for the Ebony 440GP reference board in arch/powerpc David Gibson
2007-05-04 14:36 ` Olof Johansson
2007-05-05 18:43 ` Milton Miller
2007-05-05 19:02 ` Olof Johansson
2007-05-05 20:37 ` Segher Boessenkool
2007-05-06 0:43 ` David Gibson
2007-05-06 1:58 ` Segher Boessenkool
2007-05-07 3:22 ` David Gibson
2007-05-07 3:45 ` Olof Johansson
2007-05-07 4:02 ` David Gibson
2007-05-07 10:41 ` Josh Boyer
2007-05-04 5:57 ` [PATCH 1/6] Only legacy ports should allow addr/irq changes via setserial David Gibson
2007-05-04 5:57 ` [PATCH 2/6] Use resource_size_t for serial port IO addresses David Gibson
2007-05-07 0:30 ` [PATCH 4/6] Device tree aware EMAC driver David Gibson
2007-05-07 0:57 ` Olof Johansson
2007-05-07 1:40 ` David Gibson
2007-05-07 3:56 ` Olof Johansson
2007-05-07 4:10 ` David Gibson [this message]
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