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stmmac: hardware TX COE doesn't work when force_thresh_dma_mode is set
Clear the TX COE bit when force_thresh_dma_mode is set even hardware dma capability says support. Tested on BF609. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -2755,6 +2755,10 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
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priv->plat->enh_desc = priv->dma_cap.enh_desc;
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priv->plat->pmt = priv->dma_cap.pmt_remote_wake_up;
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/* TXCOE doesn't work in thresh DMA mode */
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if (priv->plat->force_thresh_dma_mode)
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priv->plat->tx_coe = 0;
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else
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priv->plat->tx_coe = priv->dma_cap.tx_coe;
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if (priv->dma_cap.rx_coe_type2)
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