Messages in this thread Patch in this message | | | From | Biao Huang <> | Subject | [PATCH] net: stmmac: Fix RX Coalesce IOC always true issue | Date | Tue, 9 Jun 2020 17:41:33 +0800 |
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Currently rx_count_frames in stmmac_rx_refill always 0, which leads to use_rx_wd false, and IOC bit of rx_desc3 true forever. Fix it.
Fixes: 6fa9d691b91ac ("net: stmmac: Prevent divide-by-zero") Signed-off-by: Biao Huang <biao.huang@mediatek.com> --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index e6898fd5223f..87b529743fd0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3607,8 +3607,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue) stmmac_refill_desc3(priv, rx_q, p); rx_q->rx_count_frames++; - rx_q->rx_count_frames += priv->rx_coal_frames; - if (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->rx_coal_frames; -- 2.18.0 | |