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ramips: add ramips_cleanup_dma helper
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18169 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -50,6 +50,18 @@ ramips_fe_rr(unsigned reg)
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return __raw_readl(ramips_fe_base + reg);
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}
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static void
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ramips_cleanup_dma(struct net_device *dev)
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{
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struct raeth_priv *priv = netdev_priv(dev);
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dma_free_coherent(NULL, NUM_RX_DESC * sizeof(struct ramips_rx_dma),
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priv->rx, priv->phy_rx);
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dma_free_coherent(NULL, NUM_TX_DESC * sizeof(struct ramips_tx_dma),
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priv->tx, priv->phy_tx);
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}
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static int
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ramips_alloc_dma(struct net_device *dev)
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{
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@ -297,10 +309,7 @@ ramips_eth_stop(struct net_device *dev)
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netif_stop_queue(dev);
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tasklet_kill(&priv->tx_housekeeping_tasklet);
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tasklet_kill(&priv->rx_tasklet);
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dma_free_coherent(NULL, NUM_TX_DESC * sizeof(struct ramips_tx_dma),
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priv->tx, priv->phy_tx);
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dma_free_coherent(NULL, NUM_RX_DESC * sizeof(struct ramips_rx_dma),
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priv->rx, priv->phy_rx);
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ramips_cleanup_dma(dev);
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printk(KERN_DEBUG "ramips_eth: stopped\n");
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return 0;
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}
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