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net: sh_eth: fix cache coherency issue

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Fix the problem that may not work receive process by cache coherency issue.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yoshihiro Shimoda 2009-05-24 23:52:35 +00:00 committed by David S. Miller
parent a1dcb6628b
commit e88aae7bb1
1 changed files with 4 additions and 0 deletions
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4
drivers/net/sh_eth.c
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@ -250,6 +250,8 @@ static void sh_eth_ring_format(struct net_device *ndev)
mdp->rx_skbuff[i] = skb;
if (skb == NULL)
break;
dma_map_single(&ndev->dev, skb->tail, mdp->rx_buf_sz,
DMA_FROM_DEVICE);
skb->dev = ndev; /* Mark as being used by this device. */
#if defined(CONFIG_CPU_SUBTYPE_SH7763)
reserve = SH7763_SKB_ALIGN
@ -559,6 +561,8 @@ static int sh_eth_rx(struct net_device *ndev)
mdp->rx_skbuff[entry] = skb;
if (skb == NULL)
break; /* Better luck next round. */
dma_map_single(&ndev->dev, skb->tail, mdp->rx_buf_sz,
DMA_FROM_DEVICE);
skb->dev = ndev;
#if defined(CONFIG_CPU_SUBTYPE_SH7763)
reserve = SH7763_SKB_ALIGN