[PATCH 2/6] net: calxedaxgmac: remove explicit rx dma buffer polling
From: Rob Herring New received frames will trigger the rx DMA to poll the DMA descriptors, so there is no need to tell the h/w to poll. We also want to enable dropping frames from the fifo when there is no buffer. Signed-off-by: Rob Herring --- drivers/net/ethernet/calxeda/xgmac.c |4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c index 7f5fd17..728fcef 100644 --- a/drivers/net/ethernet/calxeda/xgmac.c +++ b/drivers/net/ethernet/calxeda/xgmac.c @@ -966,7 +966,7 @@ static int xgmac_hw_init(struct net_device *dev) ctrl |= XGMAC_CONTROL_IPC; writel(ctrl, ioaddr + XGMAC_CONTROL); - writel(DMA_CONTROL_DFF | DMA_CONTROL_OSF, ioaddr + XGMAC_DMA_CONTROL); + writel(DMA_CONTROL_OSF, ioaddr + XGMAC_DMA_CONTROL); /* Set the HW DMA mode and the COE */ writel(XGMAC_OMR_TSF | XGMAC_OMR_RFD | XGMAC_OMR_RFA | @@ -1180,8 +1180,6 @@ static int xgmac_rx(struct xgmac_priv *priv, int limit) xgmac_rx_refill(priv); - writel(1, priv->base + XGMAC_DMA_RX_POLL); - return count; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 2/6] net: calxedaxgmac: remove explicit rx dma buffer polling
From: Rob Herring rob.herr...@calxeda.com New received frames will trigger the rx DMA to poll the DMA descriptors, so there is no need to tell the h/w to poll. We also want to enable dropping frames from the fifo when there is no buffer. Signed-off-by: Rob Herring rob.herr...@calxeda.com --- drivers/net/ethernet/calxeda/xgmac.c |4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c index 7f5fd17..728fcef 100644 --- a/drivers/net/ethernet/calxeda/xgmac.c +++ b/drivers/net/ethernet/calxeda/xgmac.c @@ -966,7 +966,7 @@ static int xgmac_hw_init(struct net_device *dev) ctrl |= XGMAC_CONTROL_IPC; writel(ctrl, ioaddr + XGMAC_CONTROL); - writel(DMA_CONTROL_DFF | DMA_CONTROL_OSF, ioaddr + XGMAC_DMA_CONTROL); + writel(DMA_CONTROL_OSF, ioaddr + XGMAC_DMA_CONTROL); /* Set the HW DMA mode and the COE */ writel(XGMAC_OMR_TSF | XGMAC_OMR_RFD | XGMAC_OMR_RFA | @@ -1180,8 +1180,6 @@ static int xgmac_rx(struct xgmac_priv *priv, int limit) xgmac_rx_refill(priv); - writel(1, priv-base + XGMAC_DMA_RX_POLL); - return count; } -- 1.7.9.5 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
