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Subject[PATCH net-next 01/10] net: stmmac: dwxgmac: Enable EDMA by default
Date
Enable the EDMA feature by default which gives higher performance.

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>
---
drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h | 2 ++
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | 2 ++
2 files changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
index b8296eb41011..50b41ecb0325 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
@@ -177,6 +177,8 @@
#define XGMAC_BLEN8 BIT(2)
#define XGMAC_BLEN4 BIT(1)
#define XGMAC_UNDEF BIT(0)
+#define XGMAC_TX_EDMA_CTRL 0x00003040
+#define XGMAC_RX_EDMA_CTRL 0x00003044
#define XGMAC_DMA_CH_CONTROL(x) (0x00003100 + (0x80 * (x)))
#define XGMAC_PBLx8 BIT(16)
#define XGMAC_DMA_CH_TX_CONTROL(x) (0x00003104 + (0x80 * (x)))
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
index 7861a938420a..a1ad49680c07 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
@@ -122,6 +122,8 @@ static void dwxgmac2_dma_axi(void __iomem *ioaddr, struct stmmac_axi *axi)
}

writel(value, ioaddr + XGMAC_DMA_SYSBUS_MODE);
+ writel(GENMASK(29, 0), ioaddr + XGMAC_TX_EDMA_CTRL);
+ writel(GENMASK(29, 0), ioaddr + XGMAC_RX_EDMA_CTRL);
}

static void dwxgmac2_dma_rx_mode(void __iomem *ioaddr, int mode,
--
2.7.4
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