netdev - [PATCH net-next 3/9] net: stmmac: lpc18xx: use stmmac_get_phy_intf

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Message-Id: <E1vGy5J-0000000DhQD-46Ob@rmk-PC.armlinux.org.uk>
Date: Thu, 06 Nov 2025 11:23:21 +0000
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Vladimir Zapolskiy <vz@...ia.com>
Subject: [PATCH net-next 3/9] net: stmmac: lpc18xx: use
 stmmac_get_phy_intf_sel()

Use stmmac_get_phy_intf_sel() to decode the PHY interface mode to the
phy_intf_sel value, and use the result to program the ethernet mode.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c
index 895d16dc0a4b..0f6be2a17e65 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c
@@ -47,15 +47,14 @@ static int lpc18xx_dwmac_probe(struct platform_device *pdev)
 		return PTR_ERR(reg);
 	}
 
-	if (plat_dat->phy_interface == PHY_INTERFACE_MODE_MII) {
-		ethmode = PHY_INTF_SEL_GMII_MII;
-	} else if (plat_dat->phy_interface == PHY_INTERFACE_MODE_RMII) {
-		ethmode = PHY_INTF_SEL_RMII;
-	} else {
+	if (plat_dat->phy_interface != PHY_INTERFACE_MODE_MII &&
+	    plat_dat->phy_interface != PHY_INTERFACE_MODE_RMII) {
 		dev_err(&pdev->dev, "Only MII and RMII mode supported\n");
 		return -EINVAL;
 	}
 
+	ethmode = stmmac_get_phy_intf_sel(plat_dat->phy_interface);
+
 	regmap_update_bits(reg, LPC18XX_CREG_CREG6,
 			   LPC18XX_CREG_CREG6_ETHMODE_MASK, ethmode);
 
-- 
2.47.3