linux-kernel - [Patch net-next 00/11] net: dsa: microchip: common spi probe for the ksz series switches

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Date:   Fri, 17 Jun 2022 14:12:44 +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: [Patch net-next 00/11] net: dsa: microchip: common spi probe for the ksz series switches - part 1

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.
In the next series of patch, it will move ksz_dsa_ops and dsa_switch_ops
from ksz8795.c and ksz9477.c to ksz_common.c and have the common spi
probe all the ksz based switches.

Changes in v1
- Splitted the patch series into two.
- Replaced all occurrence of REG_PORT_STATUS_0 and PORT_FIBER_MODE to
  KSZ8_PORT_STATUS_0 and KSZ8_PORT_FIBER_MODE.
- Separated the tag protocol and phy read/write patch into two.
- Assigned the DSA_TAG_PROTO_NONE as the default value for get_tag_protocol hook.
- Reduced the indentation level by using the if(!dev->dev_ops->mirror_add).
- Added the stp_ctrl_reg as a member in ksz_chip_data and removed the member
  in ksz_dev_ops.
- Removed the r_dyn_mac_table, r_sta_mac_table and w_sta_mac_table from the
  ksz_dev_ops since it is used only in the ksz8795.c.

Changes in RFC v2
- Fixed the compilation issue.
- Reduced the patch set to 15.

Arun Ramadoss (11):
  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 get_phy_flags & mtu to ksz_common

 drivers/net/dsa/microchip/ksz8795.c     | 233 ++++++++--------
 drivers/net/dsa/microchip/ksz8795_reg.h |  16 --
 drivers/net/dsa/microchip/ksz9477.c     | 181 +++++--------
 drivers/net/dsa/microchip/ksz9477_reg.h |   1 -
 drivers/net/dsa/microchip/ksz_common.c  | 342 ++++++++++++++++++------
 drivers/net/dsa/microchip/ksz_common.h  |  80 +++++-
 6 files changed, 517 insertions(+), 336 deletions(-)


base-commit: e8b03391b6a7353368d0d2d6ed2b5f03e0c6112f
-- 
2.36.1