| From 1ae0eaf241bcf29e94ade3007d7dbf61801c4309 Mon Sep 17 00:00:00 2001 |
| From: Kouei Abe <kouei.abe.cp@renesas.com> |
| Date: Fri, 30 Aug 2013 12:41:07 +0900 |
| Subject: sh_eth: Fix cache invalidation omission of receive buffer |
| |
| Signed-off-by: Kouei Abe <kouei.abe.cp@renesas.com> |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| Signed-off-by: David S. Miller <davem@davemloft.net> |
| (cherry picked from commit 7db8e0c14c9cb4adb667b4c558d8ffec8d5b40f2) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| --- |
| drivers/net/ethernet/renesas/sh_eth.c | 3 +++ |
| 1 file changed, 3 insertions(+) |
| |
| diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c |
| index c6dad5f6..fb8479f4 100644 |
| --- a/drivers/net/ethernet/renesas/sh_eth.c |
| +++ b/drivers/net/ethernet/renesas/sh_eth.c |
| @@ -1342,6 +1342,9 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) |
| mdp->rx_skbuff[entry] = NULL; |
| if (mdp->cd->rpadir) |
| skb_reserve(skb, NET_IP_ALIGN); |
| + dma_sync_single_for_cpu(&ndev->dev, rxdesc->addr, |
| + mdp->rx_buf_sz, |
| + DMA_FROM_DEVICE); |
| skb_put(skb, pkt_len); |
| skb->protocol = eth_type_trans(skb, ndev); |
| netif_rx(skb); |
| -- |
| 1.8.4.3.gca3854a |
| |
