linux-kernel - [PATCH v3 0/5] AX88796C SPI Ethernet Adapter

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Message-Id: <20201021214910.20001-1-l.stelmach@samsung.com>
Date:   Wed, 21 Oct 2020 23:49:05 +0200
From:   Łukasz Stelmach <l.stelmach@...sung.com>
To:     Andrew Lunn <andrew@...n.ch>, jim.cromie@...il.com,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Cc:     Bartłomiej Żolnierkiewicz 
        <b.zolnierkie@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Łukasz Stelmach <l.stelmach@...sung.com>
Subject: [PATCH v3 0/5] AX88796C SPI Ethernet Adapter

This is a driver for AX88796C Ethernet Adapter connected in SPI mode as
found on ARTIK5 evaluation board. The driver has been ported from a
v3.10.9 vendor kernel for ARTIK5 board.

Changes in v3:
  - modify vendor-prefixes.yaml in a separate patch
  - fix several problems in the dt binding
    - removed unnecessary descriptions and properties
    - changed the order of entries
    - fixed problems with missing defines in the example
  - change (1 << N) to BIT(N), left a few (0 << N)
  - replace ax88796c_get_link(), ax88796c_get_link_ksettings(),
    ax88796c_set_link_ksettings(), ax88796c_nway_reset(),
    ax88796c_set_mac_address() with appropriate kernel functions.
  - disable PHY auto-polling in MAC and use PHYLIB to track the state
    of PHY and configure MAC
  - propagate return values instead of returning constants in several
    places
  - add WARN_ON() for unlocked mutex
  - remove local work queue and use the system_wq
  - replace phy_connect_direct() with phy_connect() and move
    devm_register_netdev() to the end of ax88796c_probe()
    (Unlike phy_connect_direct() phy_connect() does not crash if the
    network device isn't registered yet.)
  - remove error messages on ENOMEM
  - move free_irq() to the end of ax88796c_close() to avoid race
    condition
  - implement flow-control

Changes in v2:
  - use phylib
  - added DT bindings
  - moved #includes to *.c files
  - used mutex instead of a semaphore for locking
  - renamed some constants
  - added error propagation for several functions
  - used ethtool for dumping registers
  - added control over checksum offloading
  - remove vendor specific PM
  - removed macaddr module parameter and added support for reading a MAC
    address from platform data (e.g. DT)
  - removed dependency on SPI from NET_VENDOR_ASIX
  - added an entry in the MAINTAINERS file
  - simplified logging with appropriate netif_* and netdev_* helpers
  - lots of style fixes

Łukasz Stelmach (5):
  dt-bindings: vendor-prefixes: Add asix prefix
  dt-bindings: net: Add bindings for AX88796C SPI Ethernet Adapter
  net: ax88796c: ASIX AX88796C SPI Ethernet Adapter Driver
  ARM: dts: exynos: Add Ethernet to Artik 5 board
  ARM: defconfig: Enable ax88796c driver

 .../bindings/net/asix,ax88796c.yaml           |   69 +
 .../devicetree/bindings/vendor-prefixes.yaml  |    2 +
 MAINTAINERS                                   |    6 +
 arch/arm/boot/dts/exynos3250-artik5-eval.dts  |   29 +
 arch/arm/configs/exynos_defconfig             |    2 +
 arch/arm/configs/multi_v7_defconfig           |    2 +
 drivers/net/ethernet/Kconfig                  |    1 +
 drivers/net/ethernet/Makefile                 |    1 +
 drivers/net/ethernet/asix/Kconfig             |   22 +
 drivers/net/ethernet/asix/Makefile            |    6 +
 drivers/net/ethernet/asix/ax88796c_ioctl.c    |  197 +++
 drivers/net/ethernet/asix/ax88796c_ioctl.h    |   27 +
 drivers/net/ethernet/asix/ax88796c_main.c     | 1144 +++++++++++++++++
 drivers/net/ethernet/asix/ax88796c_main.h     |  578 +++++++++
 drivers/net/ethernet/asix/ax88796c_spi.c      |  111 ++
 drivers/net/ethernet/asix/ax88796c_spi.h      |   69 +
 16 files changed, 2266 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/asix,ax88796c.yaml
 create mode 100644 drivers/net/ethernet/asix/Kconfig
 create mode 100644 drivers/net/ethernet/asix/Makefile
 create mode 100644 drivers/net/ethernet/asix/ax88796c_ioctl.c
 create mode 100644 drivers/net/ethernet/asix/ax88796c_ioctl.h
 create mode 100644 drivers/net/ethernet/asix/ax88796c_main.c
 create mode 100644 drivers/net/ethernet/asix/ax88796c_main.h
 create mode 100644 drivers/net/ethernet/asix/ax88796c_spi.c
 create mode 100644 drivers/net/ethernet/asix/ax88796c_spi.h

-- 
2.26.2