diff options
| author | Joakim Zhang <qiangqing.zhang@nxp.com> | 2021-02-25 17:01:10 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-17 16:34:29 +0100 |
| commit | f39592bc29e39102917b2de9e5ad770bb6d654cf (patch) | |
| tree | 44a0722ca9324b7a02b5b088ddb368e04321a731 /drivers/net | |
| parent | 9c49181c201d434186ca6b1a7b52e29f4169f6f8 (diff) | |
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: 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>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c index 49f5687879df..32461909264a 100644 --- 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 *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) |