From e1efa87241272104d6a12c8b9fcdc4f62634d447 Mon Sep 17 00:00:00 2001 From: =?utf8?q?fran=C3=A7ois=20romieu?= Date: Fri, 1 May 2015 22:14:44 +0200 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- drivers/net/ethernet/via/via-rhine.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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(); -- 2.20.1