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ramips: add ramips_cleanup_dma helper

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18169 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2009-10-26 17:17:29 +00:00
parent 7a797f4b8f
commit 1d4a083881
1 changed files with 13 additions and 4 deletions
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17
target/linux/ramips/files/drivers/net/ramips.c
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@ -50,6 +50,18 @@ ramips_fe_rr(unsigned reg)
return __raw_readl(ramips_fe_base + reg);
}
static void
ramips_cleanup_dma(struct net_device *dev)
{
struct raeth_priv *priv = netdev_priv(dev);
dma_free_coherent(NULL, NUM_RX_DESC * sizeof(struct ramips_rx_dma),
priv->rx, priv->phy_rx);
dma_free_coherent(NULL, NUM_TX_DESC * sizeof(struct ramips_tx_dma),
priv->tx, priv->phy_tx);
}
static int
ramips_alloc_dma(struct net_device *dev)
{
@ -297,10 +309,7 @@ ramips_eth_stop(struct net_device *dev)
netif_stop_queue(dev);
tasklet_kill(&priv->tx_housekeeping_tasklet);
tasklet_kill(&priv->rx_tasklet);
dma_free_coherent(NULL, NUM_TX_DESC * sizeof(struct ramips_tx_dma),
priv->tx, priv->phy_tx);
dma_free_coherent(NULL, NUM_RX_DESC * sizeof(struct ramips_rx_dma),
priv->rx, priv->phy_rx);
ramips_cleanup_dma(dev);
printk(KERN_DEBUG "ramips_eth: stopped\n");
return 0;
}