修改DO2-DO4初始为低

hc

2023-10-16 def2367077573b56f9fc4f824e5c0377a3a4175a

 kernel/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
..
..
@@ -63,6 +63,10 @@
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 	value &= ~DMA_CONTROL_ST;
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 	writel(value, ioaddr + DMA_CHAN_TX_CONTROL(chan));
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+
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+	value = readl(ioaddr + GMAC_CONFIG);
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+	value &= ~GMAC_CONFIG_TE;
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+	writel(value, ioaddr + GMAC_CONFIG);
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 }
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 void dwmac4_dma_start_rx(void __iomem *ioaddr, u32 chan)