From c405abe2e0623b7841a88d43add2c7c9bc3e74a9 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Thu, 22 Jan 2015 14:55:56 +0800 Subject: [PATCH] stmmac: if force_thresh_dma_mode is set, pass tc to both txmode and rxmode in tx_hard_error_bump_tc interrupt Dont' pass SF_DMA_MODE to rxmode in this case. Signed-off-by: Sonic Zhang Signed-off-by: David S. Miller --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index d7fc2b5a1408..6e2a8fa07da5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1454,7 +1454,11 @@ static void stmmac_dma_interrupt(struct stmmac_priv *priv) /* Try to bump up the dma threshold on this failure */ if (unlikely(tc != SF_DMA_MODE) && (tc <= 256)) { tc += 64; - priv->hw->dma->dma_mode(priv->ioaddr, tc, SF_DMA_MODE); + if (priv->plat->force_thresh_dma_mode) + priv->hw->dma->dma_mode(priv->ioaddr, tc, tc); + else + priv->hw->dma->dma_mode(priv->ioaddr, tc, + SF_DMA_MODE); priv->xstats.threshold = tc; } } else if (unlikely(status == tx_hard_error)) -- 2.34.1