net: trans_start cleanups
Now that core network takes care of trans_start updates, dont do it
in drivers themselves, if possible. Drivers can avoid one cache miss
(on dev->trans_start) in their start_xmit() handler.
Exceptions are NETIF_F_LLTX drivers
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/s6gmac.c b/drivers/net/s6gmac.c
index 6b12524..a7ff8ea 100644
--- a/drivers/net/s6gmac.c
+++ b/drivers/net/s6gmac.c
@@ -852,8 +852,8 @@
{
struct s6gmac *pd = netdev_priv(dev);
unsigned long flags;
+
spin_lock_irqsave(&pd->lock, flags);
- dev->trans_start = jiffies;
writel(skb->len << S6_GMAC_BURST_PREWR_LEN |
0 << S6_GMAC_BURST_PREWR_CFE |
1 << S6_GMAC_BURST_PREWR_PPE |