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| author | Joakim Zhang <qiangqing.zhang@nxp.com> | 2021-02-25 17:01:10 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-17 16:43:44 +0100 |
| commit | 42b8f308f2bf57618ca9c136842be439359369c4 (patch) | |
| tree | 27cdbc6591819e0a4c196c388f5109208542cd3c | |
| parent | e8c9b54ff89e3d379a42fa4b5e37e56a96ea0cab (diff) | |
| download | linux-stable-42b8f308f2bf57618ca9c136842be439359369c4.tar.gz linux-stable-42b8f308f2bf57618ca9c136842be439359369c4.tar.bz2 linux-stable-42b8f308f2bf57618ca9c136842be439359369c4.zip | |
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>
| -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) |