From: Andrew Lunn <andrew@lunn.ch>
To: Rob Herring <robh@kernel.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
Corentin Labbe <clabbe.montjoie@gmail.com>,
mark.rutland@arm.com, maxime.ripard@free-electrons.com,
wens@csie.org, linux@armlinux.org.uk, catalin.marinas@arm.com,
will.deacon@arm.com, peppe.cavallaro@st.com,
alexandre.torgue@st.com, frowand.list@gmail.com,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com
Subject: Re: [PATCH v6 11/11] of: mdio: Prevent of_mdiobus_register from scanning mdio-mux nodes
Date: Fri, 6 Oct 2017 00:21:59 +0200 [thread overview]
Message-ID: <20171005222159.GO13247@lunn.ch> (raw)
In-Reply-To: <20171005220927.7rabn3ftvow253xj@rob-hp-laptop>
> Looking at this some more, why can't mdio-mux-mmio be used?
Hi Rob
That was my first thought. And then i dug into the details. The mux is
more than just a couple of bits in an address space. Clocks needs to
be enabled/disabled, and the MAC needs a reset, when the mux changes.
So the mux needs intimate knowledge of MAC.
Andrew
prev parent reply other threads:[~2017-10-05 22:22 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-27 7:34 [PATCH v6 00/11] net: stmmac: dwmac-sun8i: Handle integrated PHY Corentin Labbe
2017-09-27 7:34 ` [PATCH v6 01/11] dt-bindings: net: Restore sun8i dwmac binding Corentin Labbe
2017-10-05 20:59 ` Rob Herring
2017-09-27 7:34 ` [PATCH v6 02/11] arm: dts: sunxi: Restore EMAC changes Corentin Labbe
2017-09-27 7:34 ` [PATCH v6 03/11] arm64: dts: allwinner: " Corentin Labbe
2017-09-27 7:34 ` [PATCH v6 04/11] net: stmmac: sun8i: Restore the compatibles Corentin Labbe
2017-09-27 7:34 ` [PATCH v6 05/11] dt-bindings: net: dwmac-sun8i: update documentation about integrated PHY Corentin Labbe
2017-09-27 10:15 ` Maxime Ripard
2017-09-27 14:02 ` Andrew Lunn
2017-09-28 7:37 ` Corentin Labbe
2017-10-04 19:00 ` Corentin Labbe
2017-10-08 18:33 ` Corentin Labbe
2017-10-09 21:08 ` Maxime Ripard
2017-09-28 4:53 ` Florian Fainelli
2017-09-28 7:07 ` Corentin Labbe
2017-09-27 7:34 ` [PATCH v6 06/11] ARM: dts: sunxi: h3/h5: represent the mdio switch used by sun8i-h3-emac Corentin Labbe
2017-09-27 10:16 ` Maxime Ripard
2017-09-27 13:47 ` Corentin Labbe
2017-09-27 7:34 ` [PATCH v6 07/11] arm64: dts: allwinner: add snps,dwmac-mdio compatible to emac/mdio Corentin Labbe
2017-09-27 7:34 ` [PATCH v6 08/11] net: stmmac: snps,dwmac-mdio MDIOs are automatically registered Corentin Labbe
2017-09-27 7:34 ` [PATCH v6 09/11] net: stmmac: dwmac-sun8i: choose internal PHY via phy-is-integrated Corentin Labbe
2017-09-27 7:34 ` [PATCH v6 10/11] net: stmmac: dwmac-sun8i: Handle integrated/external MDIOs Corentin Labbe
2017-09-27 7:34 ` [PATCH v6 11/11] of: mdio: Prevent of_mdiobus_register from scanning mdio-mux nodes Corentin Labbe
2017-09-27 14:12 ` Andrew Lunn
2017-09-28 4:50 ` Florian Fainelli
2017-10-05 22:09 ` Rob Herring
2017-10-05 22:21 ` Andrew Lunn [this message]
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