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Commit 42b8f308 authored by Joakim Zhang's avatar Joakim Zhang Committed by Greg Kroah-Hartman
Browse files

net: stmmac: stop each tx channel independently 



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: 48863ce5 ("stmmac: add DMA support for GMAC 4.xx")
Signed-off-by: default avatarJoakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e8c9b54f

drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c

+0 −4
Original line number Diff line number Diff line
@@ -63,10 +63,6 @@ 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)