netdev - [PATCH net-next v3 00/17] net: dsa: microchip: add error handling and register access validation

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Date:   Fri, 26 Aug 2022 12:56:17 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     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>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH net-next v3 00/17] net: dsa: microchip: add error handling and register access validation

changes v4:
- add Reviewed-by: Vladimir Oltean <olteanv@...il.com> to all patches
- fix checkpatch warnings.

changes v3:
- fix build error in the middle of the patch stack.

changes v2:
- add regmap_ranges for KSZ9477
- drop output clock devicetree in driver validation patches. DTs need
  some more refactoring and can be done in a separate patch set.
- remove some unused variables.

This patch series adds error handling for the PHY read/write path and optional
register access validation.
After adding regmap_ranges for KSZ8563 some bugs was detected, so
critical bug fixes are sorted before ragmap_range patch.

Potentially this bug fixes can be ported to stable kernels, but need to be
reworked.

Oleksij Rempel (17):
  net: dsa: microchip: add separate struct ksz_chip_data for KSZ8563
    chip
  net: dsa: microchip: do per-port Gbit detection instead of per-chip
  net: dsa: microchip: don't announce extended register support on non
    Gbit chips
  net: dsa: microchip: allow to pass return values for PHY read/write
    accesses
  net: dsa: microchip: forward error value on all ksz_pread/ksz_pwrite
    functions
  net: dsa: microchip: ksz9477: add error handling to ksz9477_r/w_phy
  net: dsa: microchip: ksz8795: add error handling to ksz8_r/w_phy
  net: dsa: microchip: KSZ9893: do not write to not supported Output
    Clock Control Register
  net: dsa: microchip: add support for regmap_access_tables
  net: dsa: microchip: add regmap_range for KSZ8563 chip
  net: dsa: microchip: ksz9477: remove MII_CTRL1000 check from
    ksz9477_w_phy()
  net: dsa: microchip: add regmap_range for KSZ9477 chip
  net: dsa: microchip: ksz9477: use internal_phy instead of phy_port_cnt
  net: dsa: microchip: remove unused port phy variable
  net: dsa: microchip: ksz9477: remove unused "on" variable
  net: dsa: microchip: remove unused sgmii variable
  net: dsa: microchip: remove IS_9893 flag

 drivers/net/dsa/microchip/ksz8.h         |   4 +-
 drivers/net/dsa/microchip/ksz8795.c      | 111 ++++--
 drivers/net/dsa/microchip/ksz9477.c      |  85 ++---
 drivers/net/dsa/microchip/ksz9477.h      |   4 +-
 drivers/net/dsa/microchip/ksz_common.c   | 450 ++++++++++++++++++++++-
 drivers/net/dsa/microchip/ksz_common.h   | 102 +++--
 drivers/net/dsa/microchip/ksz_spi.c      |   5 +-
 drivers/net/dsa/microchip/lan937x.h      |   4 +-
 drivers/net/dsa/microchip/lan937x_main.c |   8 +-
 9 files changed, 651 insertions(+), 122 deletions(-)

-- 
2.30.2