From: Jisheng Zhang <jisheng.zh...@synaptics.com>

[ Upstream commit 56311a315da7ebc668dbcc2f1c99689cc10796c4 ]

If the phy enables power saving technology, the dwmac's software reset
needs more time to complete, enlarge dma reset timeout to 200000us.

Signed-off-by: Jisheng Zhang <jisheng.zh...@synaptics.com>
Link: https://lore.kernel.org/r/20201113090902.5c7aab1a@xhacker.debian
Signed-off-by: Jakub Kicinski <k...@kernel.org>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c 
b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
index cb87d31a99dfb..57a53a600aa55 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
@@ -23,7 +23,7 @@ int dwmac_dma_reset(void __iomem *ioaddr)
 
        return readl_poll_timeout(ioaddr + DMA_BUS_MODE, value,
                                 !(value & DMA_BUS_MODE_SFT_RESET),
-                                10000, 100000);
+                                10000, 200000);
 }
 
 /* CSR1 enables the transmit DMA to check for new descriptor */
-- 
2.27.0

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