linux-kernel - [PATCH net-next v5 00/23] net: add EEE support for KSZ9477 and AR8035 with i.MX6

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Date:   Mon,  6 Feb 2023 14:50:27 +0100
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>, Wei Fang <wei.fang@....com>,
        Heiner Kallweit <hkallweit1@...il.com>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        Arun.Ramadoss@...rochip.com, intel-wired-lan@...ts.osuosl.org
Subject: [PATCH net-next v5 00/23] net: add EEE support for KSZ9477 and AR8035 with i.MX6

changes v5:
- spell fixes
- move part of genphy_c45_read_eee_abilities() to
  genphy_c45_read_eee_cap1()
- validate MDIO_PCS_EEE_ABLE register against 0xffff val.
- rename *eee_100_10000* to *eee_cap1*
- use linkmode_intersects(phydev->supported, PHY_EEE_CAP1_FEATURES)
  instead of !linkmode_empty()
- add documentation to linkmode/register helpers

changes v4:
- remove following helpers:
  mmd_eee_cap_to_ethtool_sup_t
  mmd_eee_adv_to_ethtool_adv_t
  ethtool_adv_to_mmd_eee_adv_t
  and port drivers from this helpers to linkmode helpers.
- rebase against latest net-next
- port phy_init_eee() to genphy_c45_eee_is_active()

changes v3:
- rework some parts of EEE infrastructure and move it to c45 code.
- add supported_eee storage and start using it in EEE code and by the
  micrel driver.
- add EEE support for ar8035 PHY
- add SmartEEE support to FEC i.MX series.

changes v2:
- use phydev->supported instead of reading MII_BMSR regiaster
- fix @get_eee > @set_eee

With this patch series we provide EEE control for KSZ9477 family of switches and
AR8035 with i.MX6 configuration.
According to my tests, on a system with KSZ8563 switch and 100Mbit idle link,
we consume 0,192W less power per port if EEE is enabled.

Oleksij Rempel (23):
  net: dsa: microchip: enable EEE support
  net: phy: add genphy_c45_read_eee_abilities() function
  net: phy: micrel: add ksz9477_get_features()
  net: phy: export phy_check_valid() function
  net: phy: add genphy_c45_ethtool_get/set_eee() support
  net: phy: c22: migrate to genphy_c45_write_eee_adv()
  net: phy: c45: migrate to genphy_c45_write_eee_adv()
  net: phy: migrate phy_init_eee() to genphy_c45_eee_is_active()
  net: phy: start using genphy_c45_ethtool_get/set_eee()
  net: phy: add driver specific get/set_eee support
  net: phy: at803x: implement ethtool access to SmartEEE functionality
  net: phy: at803x: ar8035: fix EEE support for half duplex links
  net: phy: add PHY specifica flag to signal SmartEEE support
  net: phy: at803x: add PHY_SMART_EEE flag to AR8035
  net: phy: add phy_has_smarteee() helper
  net: fec: add support for PHYs with SmartEEE support
  e1000e: replace EEE ethtool helpers to linkmode variants
  igb: replace EEE ethtool helpers to linkmode variants
  igc: replace EEE ethtool helpers to linkmode variants
  tg3: replace EEE ethtool helpers to linkmode variants
  r8152: replace EEE ethtool helpers to linkmode variants
  net: usb: ax88179_178a: replace EEE ethtool helpers to linkmode
    variants
  net: mdio: drop EEE ethtool helpers in favor to linkmode variants

 drivers/net/dsa/microchip/ksz_common.c       |  65 ++++
 drivers/net/ethernet/broadcom/tg3.c          |   9 +-
 drivers/net/ethernet/freescale/fec_main.c    |  22 +-
 drivers/net/ethernet/intel/e1000e/ethtool.c  |  16 +-
 drivers/net/ethernet/intel/igb/igb_ethtool.c |  23 +-
 drivers/net/ethernet/intel/igc/igc_ethtool.c |  12 +-
 drivers/net/phy/at803x.c                     | 142 ++++++++-
 drivers/net/phy/micrel.c                     |  21 ++
 drivers/net/phy/phy-c45.c                    | 316 ++++++++++++++++++-
 drivers/net/phy/phy.c                        | 155 ++-------
 drivers/net/phy/phy_device.c                 |  26 +-
 drivers/net/usb/ax88179_178a.c               |  24 +-
 drivers/net/usb/r8152.c                      |  34 +-
 include/linux/mdio.h                         | 167 +++++-----
 include/linux/phy.h                          |  28 ++
 include/uapi/linux/mdio.h                    |   8 +
 16 files changed, 808 insertions(+), 260 deletions(-)

-- 
2.30.2