netdev - [PATCH RFC V2 0/4] add Vertexcom MSE102x support

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Date:   Sat,  4 Dec 2021 14:17:47 +0100
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>, Andrew Lunn <andrew@...n.ch>,
        Michael Heimpold <michael.heimpold@...tech.com>,
        jimmy.shen@...texcom.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Stefan Wahren <stefan.wahren@...e.com>
Subject: [PATCH RFC V2 0/4] add Vertexcom MSE102x support

This patch series adds support for the Vertexcom MSE102x Homeplug GreenPHY
chips [1]. They can be connected either via RGMII, RMII or SPI to a host CPU.
These patches handles only the last one, with an Ethernet over SPI protocol
driver.

The code has been tested only on Raspberry Pi boards, but should work
on other platforms.

Any comments about the code are welcome.

Changes in V2:
- improve lock handling for RX & TX path
- add new patch to introduce IF_PORT_HOMEPLUG as suggested by Andrew Lunn
- address all the comments by Jakub Kicinski, Andrew Lunn, Kernel test robot

[1] - http://www.vertexcom.com/p_homeplug_plc_en.html

Stefan Wahren (4):
  dt-bindings: add vendor Vertexcom
  dt-bindings: net: add Vertexcom MSE102x support
  net: introduce media selection IF_PORT_HOMEPLUG
  net: vertexcom: Add MSE102x SPI support

 .../devicetree/bindings/net/vertexcom-mse102x.yaml |  71 ++
 .../devicetree/bindings/vendor-prefixes.yaml       |   2 +
 drivers/net/ethernet/Kconfig                       |   1 +
 drivers/net/ethernet/Makefile                      |   1 +
 drivers/net/ethernet/vertexcom/Kconfig             |  25 +
 drivers/net/ethernet/vertexcom/Makefile            |   6 +
 drivers/net/ethernet/vertexcom/mse102x.c           | 770 +++++++++++++++++++++
 include/uapi/linux/netdevice.h                     |   3 +-
 8 files changed, 878 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/net/vertexcom-mse102x.yaml
 create mode 100644 drivers/net/ethernet/vertexcom/Kconfig
 create mode 100644 drivers/net/ethernet/vertexcom/Makefile
 create mode 100644 drivers/net/ethernet/vertexcom/mse102x.c

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2.7.4