leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

net: sh_eth: fix cache coherency issue

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/sh_eth.c
View File

@ -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