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From: Joakim Tjernlund <joakim.tjernlund@transmode.se>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: linuxppc-dev Development <linuxppc-dev@ozlabs.org>,
	Netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH] ucc_geth.c, make PHY device optional.
Date: Wed, 04 Jul 2007 18:44:39 +0200	[thread overview]
Message-ID: <1183567479.20673.225.camel@gentoo-jocke.transmode.se> (raw)
In-Reply-To: <B27F0350-E5ED-48BF-9605-1E6BE29B9E36@kernel.crashing.org>

On Wed, 2007-07-04 at 15:32 +0200, Segher Boessenkool wrote:
> > How about separate autoneg to a property "dumb-phy", which  
> > indicates the
> > PHY/switch doesn't provide MII register interface.
> 
> Something like that I suppose.  But don't call it "dumb phy",
> nor "fake phy", nor anything similar -- there simply is _no_
> phy.  If the Linux code wants to pretend there is one, that's
> one thing, but there is no need to do any of this trickery in
> the device tree.
> 
> > Therefore, it should
> > use the fixed speed and duplex from device node rather than registers.
> 
> Yes.

Not sure I follow, something like this?
  initial-phy-capacity = <speed duplex>
  no-mdio-interface

autoneg does not fit in there.

Jocke

      reply	other threads:[~2007-07-04 16:44 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-29 18:49 [PATCH] ucc_geth.c, make PHY device optional Joakim Tjernlund
2007-07-03  0:52 ` Joakim Tjernlund
2007-07-03  3:42   ` Li Yang-r58472
2007-07-03  7:20     ` Joakim Tjernlund
2007-07-03  8:22       ` Li Yang-r58472
2007-07-03 11:19         ` Joakim Tjernlund
2007-07-03 11:38           ` Li Yang-r58472
2007-07-04  8:50             ` Joakim Tjernlund
2007-07-04 13:13               ` Li Yang-r58472
2007-07-04 13:32                 ` Segher Boessenkool
2007-07-04 16:44                   ` Joakim Tjernlund [this message]

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