netdev - [PATCH v4 10/11] net: stmmac: dwegmac: Disable coe

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Message-Id: <34960e0fc9db4c9ffeeb1c25c3fe26d2a396f39f.1692696115.git.chenfeiyang@loongson.cn>
Date: Tue, 22 Aug 2023 17:41:18 +0800
From: Feiyang Chen <chenfeiyang@...ngson.cn>
To: andrew@...n.ch,
	hkallweit1@...il.com,
	peppe.cavallaro@...com,
	alexandre.torgue@...s.st.com,
	joabreu@...opsys.com,
	chenhuacai@...ngson.cn
Cc: Feiyang Chen <chenfeiyang@...ngson.cn>,
	linux@...linux.org.uk,
	dongbiao@...ngson.cn,
	guyinggang@...ngson.cn,
	siyanteng@...ngson.cn,
	loongson-kernel@...ts.loongnix.cn,
	netdev@...r.kernel.org,
	loongarch@...ts.linux.dev,
	chris.chenfeiyang@...il.com
Subject: [PATCH v4 10/11] net: stmmac: dwegmac: Disable coe

Some Loongson Platforms do not support coe, so disable them.

Signed-off-by: Feiyang Chen <chenfeiyang@...ngson.cn>
Signed-off-by: Yinggang Gu <guyinggang@...ngson.cn>
---
 drivers/net/ethernet/stmicro/stmmac/hwif.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.c b/drivers/net/ethernet/stmicro/stmmac/hwif.c
index 4674af3d78cb..b535d63c4993 100644
--- a/drivers/net/ethernet/stmicro/stmmac/hwif.c
+++ b/drivers/net/ethernet/stmicro/stmmac/hwif.c
@@ -74,6 +74,11 @@ static int stmmac_dwmac1_quirks(struct stmmac_priv *priv)
 		mac->desc = &ndesc_ops;
 	}
 
+	if (priv->plat->has_egmac && priv->synopsys_id == DWEGMAC_CORE_1_00) {
+		priv->plat->rx_coe = STMMAC_RX_COE_NONE;
+		priv->plat->tx_coe = 0;
+	}
+
 	stmmac_dwmac_mode_quirk(priv);
 	return 0;
 }
-- 
2.39.3