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Commit c68ce71a authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
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[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: default avatarStephen Hemminger <shemminger@osdl.org>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent ff7907ae

drivers/net/skge.c

+5 −1
Original line number Diff line number Diff line
@@ -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);