From: Greg Kroah-Hartman gregkh@linuxfoundation.org
From: Joakim Zhang qiangqing.zhang@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.zhang@nxp.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@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)