netdev - [PATCH v6 9/9] net: stmmac: Disable coe for some Loongson GNET

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Date: Wed, 13 Dec 2023 18:15:02 +0800
From: Yanteng Si <siyanteng@...ngson.cn>
To: andrew@...n.ch,
	hkallweit1@...il.com,
	peppe.cavallaro@...com,
	alexandre.torgue@...s.st.com,
	joabreu@...opsys.com
Cc: Yanteng Si <siyanteng@...ngson.cn>,
	fancer.lancer@...il.com,
	Jose.Abreu@...opsys.com,
	chenhuacai@...ngson.cn,
	linux@...linux.org.uk,
	guyinggang@...ngson.cn,
	netdev@...r.kernel.org,
	loongarch@...ts.linux.dev,
	chris.chenfeiyang@...il.com
Subject: [PATCH v6 9/9] net: stmmac: Disable coe for some Loongson GNET

Some chips of Loongson GNET does not support coe, so disable them.

Signed-off-by: Yanteng Si <siyanteng@...ngson.cn>
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 3724cf698de6..f211880925aa 100644
--- a/drivers/net/ethernet/stmicro/stmmac/hwif.c
+++ b/drivers/net/ethernet/stmicro/stmmac/hwif.c
@@ -73,6 +73,11 @@ static int stmmac_dwmac1_quirks(struct stmmac_priv *priv)
 		mac->desc = &ndesc_ops;
 	}
 
+	if (priv->synopsys_id == DWLGMAC_CORE_1_00) {
+		priv->plat->tx_coe = 0;
+		priv->plat->rx_coe = STMMAC_RX_COE_NONE;
+	}
+
 	stmmac_dwmac_mode_quirk(priv);
 	return 0;
 }
-- 
2.31.4