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2023-11-07 5e8555e3ea324daaf0e38422bcba48c4df33a0d9

 kernel/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c
..
..
@@ -314,7 +314,12 @@
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 		priv->plat->tx_queues_cfg[queue].mode_to_use = MTL_QUEUE_AVB;
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 	} else if (!qopt->enable) {
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-		return stmmac_dma_qmode(priv, priv->ioaddr, queue, MTL_QUEUE_DCB);
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+		ret = stmmac_dma_qmode(priv, priv->ioaddr, queue,
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+				       MTL_QUEUE_DCB);
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+		if (ret)
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+			return ret;
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+
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+		priv->plat->tx_queues_cfg[queue].mode_to_use = MTL_QUEUE_DCB;
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 	}
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 	/* Port Transmit Rate and Speed Divider */