Patchwork [net-next,v2,1/2] sh_eth: Fix cache invalidation omission of receive buffer

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Submitter Simon Horman
Date Aug. 30, 2013, 3:41 a.m.
Message ID <1377834068-6978-2-git-send-email-horms+renesas@verge.net.au>
Download mbox | patch
Permalink /patch/271076/
State Accepted
Delegated to: David Miller
Headers show

Comments

Simon Horman - Aug. 30, 2013, 3:41 a.m.
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>

---
v2 [Simon Horman]
* Correct indentation

 drivers/net/ethernet/renesas/sh_eth.c | 3 +++
 1 file changed, 3 insertions(+)

Patch

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 4b47300..3c0a24a 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);