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net: stmmac: stop each tx channel independently

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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: 48863ce594 ("stmmac: add DMA support for GMAC 4.xx")
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Joakim Zhang 2021-02-25 17:01:10 +08:00 • committed by Greg Kroah-Hartman
commit d31ae9ec5a
1 changed files with 0 additions and 4 deletions
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4
drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c
View file

@ -60,10 +60,6 @@ void dwmac4_dma_stop_tx(void __iomem *ioaddr, u32 chan)
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)