netdev - [PATCH net-next 2/3] net: mvneta: use phylink_generic

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Message-Id: <E1mmYmu-006nOl-MD@rmk-PC.armlinux.org.uk>
Date:   Mon, 15 Nov 2021 10:00:32 +0000
From:   "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next 2/3] net: mvneta: use phylink_generic_validate()

Convert mvneta to use phylink_generic_validate() for the bulk of its
validate() implementation. This network adapter has a restriction
that for 802.3z links, autonegotiation must be enabled.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/ethernet/marvell/mvneta.c | 34 ++++-----------------------
 1 file changed, 4 insertions(+), 30 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 5a7bdca22a63..67a644177880 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3823,8 +3823,6 @@ static void mvneta_validate(struct phylink_config *config,
 			    unsigned long *supported,
 			    struct phylink_link_state *state)
 {
-	__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
-
 	/* We only support QSGMII, SGMII, 802.3z and RGMII modes.
 	 * When in 802.3z mode, we must have AN enabled:
 	 * "Bit 2 Field InBandAnEn In-band Auto-Negotiation enable. ...
@@ -3836,34 +3834,7 @@ static void mvneta_validate(struct phylink_config *config,
 		return;
 	}
 
-	/* Allow all the expected bits */
-	phylink_set(mask, Autoneg);
-	phylink_set_port_modes(mask);
-
-	/* Asymmetric pause is unsupported */
-	phylink_set(mask, Pause);
-
-	/* Half-duplex at speeds higher than 100Mbit is unsupported */
-	if (state->interface != PHY_INTERFACE_MODE_2500BASEX) {
-		phylink_set(mask, 1000baseT_Full);
-		phylink_set(mask, 1000baseX_Full);
-	}
-
-	if (state->interface == PHY_INTERFACE_MODE_2500BASEX) {
-		phylink_set(mask, 2500baseT_Full);
-		phylink_set(mask, 2500baseX_Full);
-	}
-
-	if (!phy_interface_mode_is_8023z(state->interface)) {
-		/* 10M and 100M are only supported in non-802.3z mode */
-		phylink_set(mask, 10baseT_Half);
-		phylink_set(mask, 10baseT_Full);
-		phylink_set(mask, 100baseT_Half);
-		phylink_set(mask, 100baseT_Full);
-	}
-
-	linkmode_and(supported, supported, mask);
-	linkmode_and(state->advertising, state->advertising, mask);
+	phylink_generic_validate(config, supported, state);
 }
 
 static void mvneta_mac_pcs_get_state(struct phylink_config *config,
@@ -5166,6 +5137,9 @@ static int mvneta_probe(struct platform_device *pdev)
 
 	pp->phylink_config.dev = &dev->dev;
 	pp->phylink_config.type = PHYLINK_NETDEV;
+	pp->phylink_config.mac_capabilities = MAC_SYM_PAUSE | MAC_10 |
+		MAC_100 | MAC_1000FD | MAC_2500FD;
+
 	phy_interface_set_rgmii(pp->phylink_config.supported_interfaces);
 	__set_bit(PHY_INTERFACE_MODE_QSGMII,
 		  pp->phylink_config.supported_interfaces);
-- 
2.30.2