linux-kernel - [RFC PATCH v2 net-next 10/15] net: phylink: support all ethtool port modes with inband modes

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Message-Id: <20230923134904.3627402-11-vladimir.oltean@nxp.com>
Date:   Sat, 23 Sep 2023 16:48:59 +0300
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org
Cc:     "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Madalin Bucur <madalin.bucur@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Camelia Groza <camelia.groza@....com>,
        Li Yang <leoyang.li@....com>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor@...nel.org>,
        Sean Anderson <sean.anderson@...o.com>,
        Maxime Chevallier <maxime.chevallier@...tlin.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>
Subject: [RFC PATCH v2 net-next 10/15] net: phylink: support all ethtool port modes with inband modes

Currently, phylink_parse_mode() filters out all port modes except
ETHTOOL_LINK_MODE_MII_BIT for in-band link modes. But if we're going to
accept backplane port modes with inband autoneg, then we should also
allow ETHTOOL_LINK_MODE_Backplane_BIT.

Use phylink_set_port_modes() to just allow them all, and let the
validate() functions of the MAC and phylink_pcs restrict what they don't
support.

Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
v1->v2: patch is new

 drivers/net/phy/phylink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 88ace7e203c3..6415c7b91053 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -880,7 +880,7 @@ static int phylink_parse_mode(struct phylink *pl,
 		}
 
 		linkmode_zero(pl->supported);
-		phylink_set(pl->supported, MII);
+		phylink_set_port_modes(pl->supported);
 		phylink_set(pl->supported, Autoneg);
 		phylink_set(pl->supported, Asym_Pause);
 		phylink_set(pl->supported, Pause);
-- 
2.34.1