diff mbox

[ltsi-3.10,522/595] sh_eth: Fix cache invalidation omission of receive buffer

Message ID 1384917713-15962-523-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman Nov. 20, 2013, 3:20 a.m. UTC 
From: Kouei Abe <kouei.abe.cp@renesas.com>

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 mbox

Patch

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index c6dad5f..fb8479f 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);