Commit 09146abe authored by Jose Abreu's avatar Jose Abreu Committed by David S. Miller
Browse files

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: default avatarJose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 983db619

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

+5 −1
Original line number Diff line number Diff line
@@ -3440,7 +3440,11 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue) 
		rx_q->rx_count_frames += priv->rx_coal_frames;

		if (rx_q->rx_count_frames > priv->rx_coal_frames)

			rx_q->rx_count_frames = 0;

		use_rx_wd = priv->use_riwt && rx_q->rx_count_frames;



		use_rx_wd = !priv->rx_coal_frames;

		use_rx_wd |= rx_q->rx_count_frames > 0;

		if (!priv->use_riwt)

			use_rx_wd = false;



		dma_wmb();

		stmmac_set_rx_owner(priv, p, use_rx_wd);

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