netdev - [PATCH 1/4] net: stmmac: dwmac4_lib: increase the timeout for dma reset

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Date:   Wed,  2 Dec 2020 16:59:46 +0800
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     peppe.cavallaro@...com, alexandre.torgue@...com,
        joabreu@...opsys.com
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        linux-imx@....com
Subject: [PATCH 1/4] net: stmmac: dwmac4_lib: increase the timeout for dma reset

From: Fugang Duan <fugang.duan@....com>

Current timeout value is not enough for gmac5 dma reset
on imx8mp platform, increase the timeout range.

Signed-off-by: Fugang Duan <fugang.duan@....com>
Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
index 6e30d7eb4983..0b4ee2dbb691 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
@@ -22,7 +22,7 @@ int dwmac4_dma_reset(void __iomem *ioaddr)
 
 	return readl_poll_timeout(ioaddr + DMA_BUS_MODE, value,
 				 !(value & DMA_BUS_MODE_SFT_RESET),
-				 10000, 100000);
+				 10000, 1000000);
 }
 
 void dwmac4_set_rx_tail_ptr(void __iomem *ioaddr, u32 tail_ptr, u32 chan)
-- 
2.17.1