netdev - Re: [PATCH] ucc_geth.c, make PHY device optional.

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Message-Id: <B27F0350-E5ED-48BF-9605-1E6BE29B9E36@kernel.crashing.org>
Date:	Wed, 4 Jul 2007 15:32:20 +0200
From:	Segher Boessenkool <segher@...nel.crashing.org>
To:	Li Yang-r58472 <LeoLi@...escale.com>
Cc:	<joakim.tjernlund@...nsmode.se>,
	linuxppc-dev Development <linuxppc-dev@...abs.org>,
	Netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] ucc_geth.c, make PHY device optional.

> 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.


Segher

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