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| author |   Jose Abreu <Jose.Abreu@synopsys.com> | 2019-05-24 10:20:24 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-05-24 13:45:56 -0700 |
| commit | eaabcd9e4ec369061a300c00ccc40dde9bc11044 (patch) | |
| tree | 942f6344a89128d9f62861684fc96db828ab6ad2 /drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | |
| parent | net: stmmac: dwmac4/5: Do not disable whole RX in dma_stop_rx() (diff) | |
| download | linux-dev-eaabcd9e4ec369061a300c00ccc40dde9bc11044.tar.xz linux-dev-eaabcd9e4ec369061a300c00ccc40dde9bc11044.zip | |
net: stmmac: dwxgmac2: Do not disable whole RX in dma_stop_rx()
We don't need to disable the whole RX when dma_stop_rx() is called
because there may be the need of just disabling 1 DMA channel.
This is also needed for stmmac Flow Control selftest.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c index e79037f511e1..7861a938420a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c @@ -299,10 +299,6 @@ static void dwxgmac2_dma_stop_rx(void __iomem *ioaddr, u32 chan) value = readl(ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan)); value &= ~XGMAC_RXST; writel(value, ioaddr + XGMAC_DMA_CH_RX_CONTROL(chan)); - - value = readl(ioaddr + XGMAC_RX_CONFIG); - value &= ~XGMAC_CONFIG_RE; - writel(value, ioaddr + XGMAC_RX_CONFIG); } static int dwxgmac2_dma_interrupt(void __iomem *ioaddr, |