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Date:   Thu, 30 May 2019 16:54:42 +0800
From:   Biao Huang <biao.huang@...iatek.com>
To:     Jose Abreu <joabreu@...opsys.com>
CC:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <netdev@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <yt.shen@...iatek.com>,
        <biao.huang@...iatek.com>, <jianguo.zhang@...iatek.com>,
        <boon.leong.ong@...el.com>, <andrew@...n.ch>
Subject: [PATCH 2/4] net: stmmac: dwmac-mediatek: disable rx watchdog

disable rx watchdog for dwmac-mediatek, then the hw will
issue a rx interrupt once receiving a packet, so the responding time
for rx path will be reduced.

Signed-off-by: Biao Huang <biao.huang@...iatek.com>
---
 .../net/ethernet/stmicro/stmmac/dwmac-mediatek.c   |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
index 3c7a60f..38cd054 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
@@ -356,6 +356,7 @@ static int mediatek_dwmac_probe(struct platform_device *pdev)
 	plat_dat->has_gmac4 = 1;
 	plat_dat->has_gmac = 0;
 	plat_dat->pmt = 0;
+	plat_dat->riwt_off = 1;
 	plat_dat->maxmtu = ETH_DATA_LEN;
 	plat_dat->bsp_priv = priv_plat;
 	plat_dat->init = mediatek_dwmac_init;
-- 
1.7.9.5

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