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Date:   Thu,  9 May 2019 11:13:41 +0800
From:   Cheng Han <hancheng2009@...il.com>
To:     peppe.cavallaro@...com, alexandre.torgue@...com,
        joabreu@...opsys.com, davem@...emloft.net
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Cheng Han <hancheng2009@...il.com>
Subject: [PATCH] dwmac4_prog_mtl_tx_algorithms() missing write operation

net: ethernet: stmmac: dwmac4_prog_mtl_tx_algorithms() missing write operation

The value of MTL_OPERATION_MODE is not written back

Signed-off-by: Cheng Han <hancheng2009@...il.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index 7e5d5db..b4bb562 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -192,6 +192,8 @@ static void dwmac4_prog_mtl_tx_algorithms(struct mac_device_info *hw,
 	default:
 		break;
 	}
+
+	writel(value, ioaddr + MTL_OPERATION_MODE);
 }
 
 static void dwmac4_set_mtl_tx_queue_weight(struct mac_device_info *hw,
-- 
1.9.1

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