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Re: RFC: PHY Abstraction Layer II

To: "David S. Miller" <davem@xxxxxxxxxxxxx>
Subject: Re: RFC: PHY Abstraction Layer II
From: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Date: Wed, 09 Mar 2005 14:50:14 +1100
Cc: afleming@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx, linuxppc-embedded@xxxxxxxxxx
In-reply-to: <20050308194229.41c23707.davem@xxxxxxxxxxxxx>
References: <1107b64b01fb8e9a6c84359bb56881a6@xxxxxxxxxxxxx> <1110334456.32556.21.camel@gaston> <20050308194229.41c23707.davem@xxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
On Tue, 2005-03-08 at 19:42 -0800, David S. Miller wrote:
> On Wed, 09 Mar 2005 13:14:16 +1100
> Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> wrote:
> > I'll have a closer look when I find some time, see if it makes sense to
> > adapt sungem or not.
> Especially because of the Broadcom PHYs I bet it doesn't.
> Too many chips have to reset the MAC, or do other fancy stuff
> when programming the PHY to make this genphy thing very useful.

Oh, I think genphy is just a generic driver, but his layer has hooks for
other PHY drivers (wasn't it based on sungem_phy in the first place ?)

I discussed several steps of the design with Andy, the idea was to have
something a bit like sungem_phy.c with addditional common library for
doing the link polling & fallback stuff etc... that could be easily
shared by drivers.


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