From c68ce71a340ffb5c589db5d9f9af1ce4ef81baa9 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Tue, 21 Mar 2006 10:57:04 -0800 Subject: [PATCH] [PATCH] skge: use mmiowb Add mmio barriers at the appropriate places, don't have a platform that needs them, but this is where the documentation of the patch says to add them. Signed-off-by: Stephen Hemminger Signed-off-by: Jeff Garzik --- drivers/net/skge.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 5ece10034df9..8c674cdecd7b 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -2394,9 +2394,11 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev) netif_stop_queue(dev); } - dev->trans_start = jiffies; + mmiowb(); spin_unlock(&skge->tx_lock); + dev->trans_start = jiffies; + return NETDEV_TX_OK; } @@ -2730,6 +2732,8 @@ static int skge_poll(struct net_device *dev, int *budget) return 1; /* not done */ netif_rx_complete(dev); + mmiowb(); + hw->intr_mask |= skge->port == 0 ? (IS_R1_F|IS_XA1_F) : (IS_R2_F|IS_XA2_F); skge_write32(hw, B0_IMSK, hw->intr_mask); -- 2.30.2