From: Andrew Lunn <andrew@lunn.ch>
To: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Cc: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, f.fainelli@gmail.com,
hkallweit1@gmail.com, davem@davemloft.net
Subject: Re: [PATCH] net: mdio: of: Do not treat fixed-link as PHY
Date: Mon, 30 Mar 2020 18:24:14 +0200 [thread overview]
Message-ID: <20200330162414.GD23477@lunn.ch> (raw)
In-Reply-To: <20200330162130.GF25745@shell.armlinux.org.uk>
On Mon, Mar 30, 2020 at 05:21:30PM +0100, Russell King - ARM Linux admin wrote:
> On Mon, Mar 30, 2020 at 06:17:40PM +0200, Andrew Lunn wrote:
> > On Mon, Mar 30, 2020 at 07:01:36PM +0300, Codrin Ciubotariu wrote:
> > > Some ethernet controllers, such as cadence's macb, have an embedded MDIO.
> > > For this reason, the ethernet PHY nodes are not under an MDIO bus, but
> > > directly under the ethernet node.
> >
> > Hi Codrin
> >
> > That is deprecated. It causes all sorts of problems putting PHY nodes
> > in the MAC without a container.
> >
> > Please fix macb to look for an mdio node, and place your fixed link
> > inside it.
>
> Seems wrong.
Hi Russell
Gerr. You are right.
> fixed links have never needed to be under a mdio node - see
> Documentation/devicetree/bindings/net/ethernet-controller.yaml
macb does crazy stuff. I will take another look.
Andrew
next prev parent reply other threads:[~2020-03-30 16:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-30 16:01 [PATCH] net: mdio: of: Do not treat fixed-link as PHY Codrin Ciubotariu
2020-03-30 16:17 ` Andrew Lunn
2020-03-30 16:21 ` Russell King - ARM Linux admin
2020-03-30 16:24 ` Andrew Lunn [this message]
2020-03-30 16:30 ` Andrew Lunn
2020-03-30 17:22 ` Florian Fainelli
2020-03-31 8:54 ` Codrin.Ciubotariu
2020-03-31 12:59 ` Andrew Lunn
2020-04-01 7:50 ` Codrin.Ciubotariu
2020-04-01 13:06 ` Andrew Lunn
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