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| author | françois romieu <romieu@fr.zoreil.com> | 2015-05-01 22:14:44 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-05-04 00:18:27 -0400 |
| commit | e1efa87241272104d6a12c8b9fcdc4f62634d447 (patch) | |
| tree | 11869cc8beb2e002cd2347d7fc15f721c26887f5 /drivers/net/ethernet/via/via-rhine.c | |
| parent | 810f19bcb862f8889b27e0c9d9eceac9593925dd (diff) | |
| download | talos-obmc-linux-e1efa87241272104d6a12c8b9fcdc4f62634d447.tar.gz talos-obmc-linux-e1efa87241272104d6a12c8b9fcdc4f62634d447.zip | |
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/via-rhine.c')
| -rw-r--r-- | drivers/net/ethernet/via/via-rhine.c | 2 |
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(); |
