netdev - [PATCH net v5 0/3] Fix PHY handle no longer parsing

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Message-Id: <20230330091404.3293431-1-michael.wei.hong.sit@intel.com>
Date:   Thu, 30 Mar 2023 17:14:01 +0800
From:   Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>
To:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Ong Boon Leong <boon.leong.ong@...el.com>,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux@...linux.org.uk, hkallweit1@...il.com, andrew@...n.ch
Cc:     Looi Hong Aun <hong.aun.looi@...el.com>,
        Voon Weifeng <weifeng.voon@...el.com>,
        Lai Peter Jun Ann <peter.jun.ann.lai@...el.com>
Subject: [PATCH net v5 0/3] Fix PHY handle no longer parsing

After the fixed link support was introduced, it is observed that PHY
no longer attach to the MAC properly. So we introduce a helper
function to determine if the MAC should expect to connect to a PHY
and proceed accordingly.

Michael Sit Wei Hong (3):
  net: phylink: add phylink_expects_phy() method
  net: stmmac: check if MAC needs to attach to a PHY
  net: stmmac: remove redundant fixup to support fixed-link mode

 .../net/ethernet/stmicro/stmmac/dwmac-intel.c |  1 -
 .../net/ethernet/stmicro/stmmac/stmmac_main.c |  4 +++-
 drivers/net/phy/phylink.c                     | 19 +++++++++++++++++++
 include/linux/phylink.h                       |  1 +
 4 files changed, 23 insertions(+), 2 deletions(-)

v2: Initialize fwnode before using the variable
v3: Introduced phylink_expects_phy() method as suggested by Russell King
    remove xpcs_an_inband fixup instead of moving the fixed-link check
    as suggested by Andrew Lunn
v4: Modify phylink_expects_phy() to check for more complete set of
    conditions when no PHY is needed and return false if met.
v5: Enhance phylink_expects_phy() description.
-- 
2.34.1