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Commit eaabcd9e authored by Jose Abreu's avatar Jose Abreu Committed by David S. Miller
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net: stmmac: dwxgmac2: Do not disable whole RX in dma_stop_rx() 



We don't need to disable the whole RX when dma_stop_rx() is called
because there may be the need of just disabling 1 DMA channel.

This is also needed for stmmac Flow Control selftest.

Signed-off-by: default avatarJose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a8b91b30

drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c

+0 −4
Original line number Diff line number Diff line
@@ -299,10 +299,6 @@ static void dwxgmac2_dma_stop_rx(void __iomem *ioaddr, u32 chan) 
	value = readl(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));

	value &= ~XGMAC_RXST;

	writel(value, ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan));



	value = readl(ioaddr + XGMAC_RX_CONFIG);

	value &= ~XGMAC_CONFIG_RE;

	writel(value, ioaddr + XGMAC_RX_CONFIG);

}



static int dwxgmac2_dma_interrupt(void __iomem *ioaddr,