From: Greg Kroah-Hartman <gre...@linuxfoundation.org>

From: Joakim Zhang <qiangqing.zh...@nxp.com>

commit a3e860a83397bf761ec1128a3f0ba186445992c6 upstream.

If clear GMAC_CONFIG_TE bit, it would stop all tx channels, but users
may only want to stop specific tx channel.

Fixes: 48863ce5940f ("stmmac: add DMA support for GMAC 4.xx")
Signed-off-by: Joakim Zhang <qiangqing.zh...@nxp.com>
Signed-off-by: Jakub Kicinski <k...@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c |    4 ----
 1 file changed, 4 deletions(-)

--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
@@ -63,10 +63,6 @@ void dwmac4_dma_stop_tx(void __iomem *io
 
        value &= ~DMA_CONTROL_ST;
        writel(value, ioaddr + DMA_CHAN_TX_CONTROL(chan));
-
-       value = readl(ioaddr + GMAC_CONFIG);
-       value &= ~GMAC_CONFIG_TE;
-       writel(value, ioaddr + GMAC_CONFIG);
 }
 
 void dwmac4_dma_start_rx(void __iomem *ioaddr, u32 chan)


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