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Message-Id: <20230208124025.5828-1-guanwentao@uniontech.com>
Date: Wed, 8 Feb 2023 20:40:25 +0800
From: Guan Wentao <guanwentao@...ontech.com>
To: peppe.cavallaro@...com, alexandre.torgue@...s.st.com,
joabreu@...opsys.com
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com, mcoquelin.stm32@...il.com,
netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org,
Guan Wentao <guanwentao@...ontech.com>
Subject: [PATCH] net: stmmac: get phydev->interface from mac for mdio phy init
The phy->interface from mdiobus_get_phy is default from phy_device_create.
In some phy devices like at803x, use phy->interface to init rgmii delay.
Use plat->phy_interface to init if know from stmmac_probe_config_dt.
Fixes: 74371272f97f ("net: stmmac: Convert to phylink and remove phylib logic")
Signed-off-by: Guan Wentao <guanwentao@...ontech.com>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 1a5b8dab5e9b..debfcb045c22 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1162,6 +1162,12 @@ static int stmmac_init_phy(struct net_device *dev)
return -ENODEV;
}
+ /* If we know the interface, it defines which PHY interface */
+ if (priv->plat->phy_interface > 0) {
+ phydev->interface = priv->plat->phy_interface;
+ netdev_dbg(priv->dev, "Override default phy interface\n");
+ }
+
ret = phylink_connect_phy(priv->phylink, phydev);
}
--
2.20.1
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