net: stmmac: Do not set RX IC bit if RX Coalesce is zero
We may only want to use the RX Watchdog so lets check if RX Coalesce settings are non-zero and only set the RX Interrupt on Completion bit if its not. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -3440,7 +3440,11 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue)
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rx_q->rx_count_frames += priv->rx_coal_frames;
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if (rx_q->rx_count_frames > priv->rx_coal_frames)
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rx_q->rx_count_frames = 0;
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use_rx_wd = priv->use_riwt && rx_q->rx_count_frames;
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use_rx_wd = !priv->rx_coal_frames;
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use_rx_wd |= rx_q->rx_count_frames > 0;
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if (!priv->use_riwt)
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use_rx_wd = false;
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dma_wmb();
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stmmac_set_rx_owner(priv, p, use_rx_wd);
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