linux-kernel - [RFC Patch net-next 00/17] net: dsa: microchip: common spi probe for the ksz series switches

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Message-ID: <20220527070358.25490-1-arun.ramadoss@microchip.com>
Date:   Fri, 27 May 2022 12:33:41 +0530
From:   Arun Ramadoss <arun.ramadoss@...rochip.com>
To:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC:     Woojung Huh <woojung.huh@...rochip.com>,
        <UNGLinuxDriver@...rochip.com>, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "Russell King" <linux@...linux.org.uk>
Subject: [RFC Patch net-next 00/17] net: dsa: microchip: common spi probe for the ksz series switches

This patch series aims to refactor the ksz_switch_register routine to have the
common flow for the ksz series switch. At present ksz8795.c & ksz9477.c have
its own dsa_switch_ops and switch detect functionality.
In ksz_switch_register, ksz_dev_ops is assigned based on the function parameter
passed by the individual ksz8/ksz9477 switch register function. And then switch
detect is performed based on the ksz_dev_ops.detect hook.  This patch modifies
the ksz_switch_register such a way that switch detect is performed first, based
on the chip ksz_dev_ops is assigned to ksz_device structure. It ensures the
common flow for the existing as well as LAN937x switches.
It also replaces the individual dsa_switch_ops structure to common
dsa_switch_ops in the ksz_common.  Based on the ksz_dev_ops hook pointer,
particular functionality for the switches may or may not executed.
Finally replaces the two spi probes such as ksz8795_spi.c and ksz9477_spi.c to
common ksz_spi.c. These switches have different regmap config and it is
differentited using the platform data.

Arun Ramadoss (17):
  net: dsa: microchip: ksz9477: cleanup the ksz9477_switch_detect
  net: dsa: microchip: move switch chip_id detection to ksz_common
  net: dsa: microchip: move tag_protocol to ksz_common
  net: dsa: microchip: ksz9477: use ksz_read_phy16 & ksz_write_phy16
  net: dsa: microchip: move vlan functionality to ksz_common
  net: dsa: microchip: move the port mirror to ksz_common
  net: dsa: microchip: get P_STP_CTRL in ksz_port_stp_state by
    ksz_dev_ops
  net: dsa: microchip: update the ksz_phylink_get_caps
  net: dsa: microchip: update the ksz_port_mdb_add/del
  net: dsa: microchip: update fdb add/del/dump in ksz_common
  net: dsa: microchip: move the setup, get_phy_flags & mtu to ksz_common
  net: dsa: microchip: common dsa_switch_ops for ksz switches
  net: dsa: microchip: ksz9477: separate phylink mode from switch
    register
  net: dsa: microchip: move ksz_dev_ops to ksz_common.c
  net: dsa: microchip: remove the ksz8/ksz9477_switch_register
  net: dsa: microchip: common menuconfig for ksz series switch
  net: dsa: microchip: common ksz_spi_probe for ksz switches

 drivers/net/dsa/microchip/Kconfig             |  42 +-
 drivers/net/dsa/microchip/Makefile            |  10 +-
 drivers/net/dsa/microchip/ksz8.h              |  46 ++
 drivers/net/dsa/microchip/ksz8795.c           | 309 +++++------
 drivers/net/dsa/microchip/ksz8795_reg.h       |  13 -
 drivers/net/dsa/microchip/ksz8863_smi.c       |   2 +-
 drivers/net/dsa/microchip/ksz9477.c           | 225 ++------
 drivers/net/dsa/microchip/ksz9477.h           |  58 ++
 drivers/net/dsa/microchip/ksz9477_i2c.c       |   2 +-
 drivers/net/dsa/microchip/ksz9477_reg.h       |   1 -
 drivers/net/dsa/microchip/ksz9477_spi.c       | 150 -----
 drivers/net/dsa/microchip/ksz_common.c        | 521 +++++++++++++-----
 drivers/net/dsa/microchip/ksz_common.h        |  91 +--
 .../microchip/{ksz8795_spi.c => ksz_spi.c}    |  85 ++-
 14 files changed, 821 insertions(+), 734 deletions(-)
 create mode 100644 drivers/net/dsa/microchip/ksz9477.h
 delete mode 100644 drivers/net/dsa/microchip/ksz9477_spi.c
 rename drivers/net/dsa/microchip/{ksz8795_spi.c => ksz_spi.c} (61%)


base-commit: 7e062cda7d90543ac8c7700fc7c5527d0c0f22ad
-- 
2.36.1