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Date: Mon, 11 Jul 2022 12:05:10 -0400
From: Sean Anderson <sean.anderson@...o.com>
To: Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org
Cc: Jakub Kicinski <kuba@...nel.org>,
Madalin Bucur <madalin.bucur@....com>,
"David S . Miller" <davem@...emloft.net>,
Paolo Abeni <pabeni@...hat.com>,
Ioana Ciornei <ioana.ciornei@....com>,
linux-kernel@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
Andrew Lunn <andrew@...n.ch>,
Sean Anderson <sean.anderson@...o.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Claudiu Manoil <claudiu.manoil@....com>,
Florian Fainelli <f.fainelli@...il.com>,
Frank Rowand <frowand.list@...il.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Li Yang <leoyang.li@....com>,
Michael Ellerman <mpe@...erman.id.au>,
Paul Mackerras <paulus@...ba.org>,
Rob Herring <robh+dt@...nel.org>,
Saravana Kannan <saravanak@...gle.com>,
Shawn Guo <shawnguo@...nel.org>, UNGLinuxDriver@...rochip.com,
Vivien Didelot <vivien.didelot@...il.com>,
Vladimir Oltean <vladimir.oltean@....com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linuxppc-dev@...ts.ozlabs.org
Subject: [RFC PATCH net-next 0/9] net: pcs: Add support for devices probed in the "usual" manner
For a long time, PCSs have been tightly coupled with their MACs. For
this reason, the MAC creates the "phy" or mdio device, and then passes
it to the PCS to initialize. This has a few disadvantages:
- Each MAC must re-implement the same steps to look up/create a PCS
- The PCS cannot use functions tied to device lifetime, such as devm_*.
- Generally, the PCS does not have easy access to its device tree node
I'm not sure if these are terribly large disadvantages. In fact, I'm not
sure if this series provides any benefit which could not be achieved
with judicious use of helper functions. In any case, here it is.
NB: Several (later) patches in this series should not be applied. See
the notes in each commit for details on when they can be applied.
Sean Anderson (9):
dt-bindings: net: Add lynx PCS
dt-bindings: net: Expand pcs-handle to an array
net: pcs: Add helpers for registering and finding PCSs
net: pcs: lynx: Convert to an mdio driver
net: pcs: lynx: Use pcs_get_by_provider to get PCS
net: pcs: lynx: Remove lynx_get_mdio_device and lynx_pcs_destroy
arm64: dts: Add compatible strings for Lynx PCSs
powerpc: dts: Add compatible strings for Lynx PCSs
net: pcs: lynx: Remove remaining users of lynx_pcs_create
.../bindings/net/ethernet-controller.yaml | 7 +-
.../devicetree/bindings/net/fsl,lynx-pcs.yaml | 47 ++++
MAINTAINERS | 1 +
.../arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 30 ++-
.../arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 48 ++--
.../arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 54 +++--
.../dts/freescale/qoriq-fman3-0-10g-0.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-10g-1.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-0.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-1.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-2.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-3.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-4.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-5.dtsi | 3 +-
.../fsl/qoriq-fman3-0-10g-0-best-effort.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi | 3 +-
.../fsl/qoriq-fman3-0-10g-1-best-effort.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi | 3 +-
drivers/net/dsa/ocelot/Kconfig | 2 +
drivers/net/dsa/ocelot/felix_vsc9959.c | 26 +-
drivers/net/dsa/ocelot/seville_vsc9953.c | 26 +-
drivers/net/ethernet/freescale/dpaa2/Kconfig | 1 +
.../net/ethernet/freescale/dpaa2/dpaa2-mac.c | 43 +---
drivers/net/ethernet/freescale/enetc/Kconfig | 1 +
.../net/ethernet/freescale/enetc/enetc_pf.c | 25 +-
drivers/net/pcs/Kconfig | 23 +-
drivers/net/pcs/Makefile | 2 +
drivers/net/pcs/core.c | 226 ++++++++++++++++++
drivers/net/pcs/pcs-lynx.c | 76 ++++--
drivers/of/property.c | 2 +
include/linux/pcs-lynx.h | 6 +-
include/linux/pcs.h | 33 +++
include/linux/phylink.h | 6 +
47 files changed, 566 insertions(+), 197 deletions(-)
create mode 100644 Documentation/devicetree/bindings/net/fsl,lynx-pcs.yaml
create mode 100644 drivers/net/pcs/core.c
create mode 100644 include/linux/pcs.h
--
2.35.1.1320.gc452695387.dirty
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