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Date: Mon, 20 Jan 2020 09:56:09 +1100 From: Finn Thain <fthain@...egraphics.com.au> To: "David S. Miller" <davem@...emloft.net> Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>, Chris Zankel <chris@...kel.net>, Laurent Vivier <laurent@...ier.eu>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH net 09/19] net/sonic: Remove explicit memory barriers The explicit memory barriers are redundant now that local irq save/restore pairs and MMIO accessors have been employed. Tested-by: Stan Johnson <userm57@...oo.com> Signed-off-by: Finn Thain <fthain@...egraphics.com.au> --- drivers/net/ethernet/natsemi/sonic.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/ethernet/natsemi/sonic.c b/drivers/net/ethernet/natsemi/sonic.c index 2cde692a0602..6322b4543e0b 100644 --- a/drivers/net/ethernet/natsemi/sonic.c +++ b/drivers/net/ethernet/natsemi/sonic.c @@ -287,12 +287,10 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev) sonic_tda_put(dev, entry, SONIC_TD_LINK, sonic_tda_get(dev, entry, SONIC_TD_LINK) | SONIC_EOL); - wmb(); lp->tx_len[entry] = length; lp->tx_laddr[entry] = laddr; lp->tx_skb[entry] = skb; - wmb(); sonic_tda_put(dev, lp->eol_tx, SONIC_TD_LINK, sonic_tda_get(dev, lp->eol_tx, SONIC_TD_LINK) & ~SONIC_EOL); lp->eol_tx = entry; -- 2.24.1
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