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authorfrançois romieu <romieu@fr.zoreil.com>2015-05-01 22:14:44 +0200
committerDavid S. Miller <davem@davemloft.net>2015-05-04 00:18:27 -0400
commite1efa87241272104d6a12c8b9fcdc4f62634d447 (patch)
tree11869cc8beb2e002cd2347d7fc15f721c26887f5 /drivers/net/ethernet/via
parent810f19bcb862f8889b27e0c9d9eceac9593925dd (diff)
downloadlinux-e1efa87241272104d6a12c8b9fcdc4f62634d447.tar.bz2
via-rhine: dma_wmb transmit barrier.
Follow the now usual transmit descriptor update path: 1. content change 2. dma_wmb 3. ownership change Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/via')
-rw-r--r--drivers/net/ethernet/via/via-rhine.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index 8195fcdff8ab..86ca8b2f0895 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -1849,7 +1849,7 @@ static netdev_tx_t rhine_start_tx(struct sk_buff *skb,
netdev_sent_queue(dev, skb->len);
/* lock eth irq */
- wmb();
+ dma_wmb();
rp->tx_ring[entry].tx_status |= cpu_to_le32(DescOwn);
wmb();