* [PATCH 1/5] net: sh_eth: fix cache coherency issue
@ 2009-05-25 9:52 Yoshihiro Shimoda
2009-05-26 5:50 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Yoshihiro Shimoda @ 2009-05-25 9:52 UTC (permalink / raw)
To: netdev; +Cc: SH-Linux, Nobuhiro Iwamatsu
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>
---
drivers/net/sh_eth.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index 3ab28bb..a742297 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -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
--
1.5.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 1/5] net: sh_eth: fix cache coherency issue
2009-05-25 9:52 [PATCH 1/5] net: sh_eth: fix cache coherency issue Yoshihiro Shimoda
@ 2009-05-26 5:50 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2009-05-26 5:50 UTC (permalink / raw)
To: shimoda.yoshihiro; +Cc: netdev, linux-sh, iwamatsu.nobuhiro
All 5 patches applied to net-next-2.6
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2009-05-26 5:50 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2009-05-25 9:52 [PATCH 1/5] net: sh_eth: fix cache coherency issue Yoshihiro Shimoda
2009-05-26 5:50 ` David Miller
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).