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[ramips] fixes dma bug in eth driver, that was caused under high net load. the dma ring was not initialized on time

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18149 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
blogic 2009-10-25 14:34:55 +00:00
parent 95d5066d03
commit 6c7f40ae71
1 changed files with 3 additions and 2 deletions
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5
target/linux/ramips/files/drivers/net/ramips.c
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@ -248,6 +248,8 @@ ramips_eth_irq(int irq, void *dev)
struct raeth_priv *priv = netdev_priv(dev); struct raeth_priv *priv = netdev_priv(dev);
unsigned long fe_int = ramips_fe_rr(RAMIPS_FE_INT_STATUS); unsigned long fe_int = ramips_fe_rr(RAMIPS_FE_INT_STATUS);
ramips_fe_wr(0xFFFFFFFF, RAMIPS_FE_INT_STATUS);
if(fe_int & RAMIPS_RX_DLY_INT) if(fe_int & RAMIPS_RX_DLY_INT)
{ {
ramips_fe_wr(ramips_fe_rr(RAMIPS_FE_INT_ENABLE) & ~(RAMIPS_RX_DLY_INT), ramips_fe_wr(ramips_fe_rr(RAMIPS_FE_INT_ENABLE) & ~(RAMIPS_RX_DLY_INT),
@ -255,8 +257,7 @@ ramips_eth_irq(int irq, void *dev)
tasklet_schedule(&priv->rx_tasklet); tasklet_schedule(&priv->rx_tasklet);
} }
if(fe_int & RAMIPS_TX_DLY_INT) if(fe_int & RAMIPS_TX_DLY_INT)
tasklet_schedule(&priv->tx_housekeeping_tasklet); ramips_eth_tx_housekeeping((unsigned long)dev);
ramips_fe_wr(0xFFFFFFFF, RAMIPS_FE_INT_STATUS);
return IRQ_HANDLED; return IRQ_HANDLED;
} }