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From: Inochi Amaoto <inochiama@gmail.com>
To: Inochi Amaoto <inochiama@gmail.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Yixun Lan <dlan@kernel.org>,
	"Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-riscv@lists.infradead.org, spacemit@lists.linux.dev,
	linux-kernel@vger.kernel.org, Yixun Lan <dlan@gentoo.org>,
	Longbin Li <looong.bin@gmail.com>
Subject: [PATCH net] net: stmmac: dwmac-spacemit: Fix wrong ctrl register definition
Date: Thu, 18 Jun 2026 14:41:43 +0800	[thread overview]
Message-ID: <20260618064143.1102179-1-inochiama@gmail.com> (raw)

There register layout of the phy ctrl register has something wrong,
fix it to match the right layout

Fixes: 30f0ba420ed3 ("net: stmmac: Add glue layer for Spacemit K3 SoC")
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
---
 .../net/ethernet/stmicro/stmmac/dwmac-spacemit.c    | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-spacemit.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-spacemit.c
index 223754cc5c79..6feffaa3ef3a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-spacemit.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-spacemit.c
@@ -18,10 +18,12 @@
 #include "stmmac_platform.h"
 
 /* ctrl register bits */
-#define CTRL_PHY_INTF_RGMII		BIT(3)
-#define CTRL_PHY_INTF_MII		BIT(4)
-#define CTRL_WAKE_IRQ_EN		BIT(9)
-#define CTRL_PHY_IRQ_EN			BIT(12)
+#define CTRL_PHY_INTF_MODE		GENMASK(4, 3)
+#define CTRL_PHY_INTF_RMII		FIELD_PREP(CTRL_PHY_INTF_MODE, 0)
+#define CTRL_PHY_INTF_RGMII		FIELD_PREP(CTRL_PHY_INTF_MODE, 1)
+#define CTRL_PHY_INTF_MII		FIELD_PREP(CTRL_PHY_INTF_MODE, 3)
+#define CTRL_PHY_IRQ_EN			BIT(9)
+#define CTRL_WAKE_IRQ_EN		BIT(12)
 
 /* dline register bits */
 #define RGMII_RX_DLINE_EN		BIT(0)
@@ -118,7 +120,7 @@ static void spacemit_get_interfaces(struct stmmac_priv *priv, void *bsp_priv,
 
 static int spacemit_set_phy_intf_sel(void *bsp_priv, u8 phy_intf_sel)
 {
-	unsigned int mask = CTRL_PHY_INTF_MII | CTRL_PHY_INTF_RGMII;
+	unsigned int mask = CTRL_PHY_INTF_MODE;
 	struct spacmit_dwmac *dwmac = bsp_priv;
 	unsigned int val = 0;
 
@@ -128,6 +130,7 @@ static int spacemit_set_phy_intf_sel(void *bsp_priv, u8 phy_intf_sel)
 		break;
 
 	case PHY_INTF_SEL_RMII:
+		val = CTRL_PHY_INTF_RMII;
 		break;
 
 	case PHY_INTF_SEL_RGMII:
-- 
2.54.0


             reply	other threads:[~2026-06-18  6:41 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-18  6:41 Inochi Amaoto [this message]
2026-06-18  7:03 ` [PATCH net] net: stmmac: dwmac-spacemit: Fix wrong ctrl register definition Maxime Chevallier
2026-06-18  7:12   ` Inochi Amaoto

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