From 68e5cfaffaca73bda1263c503f9b186a196dd97b Mon Sep 17 00:00:00 2001
From: Joao Pinto <Joao.Pinto@synopsys.com>
Date: Mon, 13 Mar 2017 10:36:29 +0000
Subject: [PATCH] net: stmmac: added default rx queue size in
 stmmac_dma_interrupt

This patch adds the rx queue default size when dma interrupts are treated,
since dma op mode can be also set there.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 915636ff2fc1..ec363e19cd79 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1455,6 +1455,9 @@ static void stmmac_dma_interrupt(struct stmmac_priv *priv)
 	int status;
 	int rxfifosz = priv->plat->rx_fifo_size;
 
+	if (rxfifosz == 0)
+		rxfifosz = priv->dma_cap.rx_fifo_size;
+
 	status = priv->hw->dma->dma_interrupt(priv->ioaddr, &priv->xstats);
 	if (likely((status & handle_rx)) || (status & handle_tx)) {
 		if (likely(napi_schedule_prep(&priv->napi))) {
-- 
GitLab