diff options
| author | Jose Abreu <Jose.Abreu@synopsys.com> | 2019-11-14 14:42:45 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-11-15 23:25:41 +0300 |
| commit | 09146abebc788a2f133a6eae9cd6dc8c91c05047 (patch) | |
| tree | 1ec2bc7e3eff45b0fd9326e6d97f5af84392418a /drivers/net/ethernet/stmicro | |
| parent | 983db6198f0d0ee406f365069901387e7834c3c0 (diff) | |
| download | linux-09146abebc788a2f133a6eae9cd6dc8c91c05047.tar.xz | |
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>
Diffstat (limited to 'drivers/net/ethernet/stmicro')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 39b4efd521f9..7939ef7e23b7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -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); |