diff options
author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-05-10 05:01:31 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-05-10 05:01:31 -0700 |
commit | 1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 (patch) | |
tree | d1955a7639e99832590df26466a34d5786a880ae /drivers/net/irda | |
parent | 2b0b05ddc04b6d45e71cd36405df512075786f1e (diff) | |
download | kernel_samsung_espresso10-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.zip kernel_samsung_espresso10-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.gz kernel_samsung_espresso10-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.bz2 |
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>
Diffstat (limited to 'drivers/net/irda')
-rw-r--r-- | drivers/net/irda/au1k_ir.c | 1 | ||||
-rw-r--r-- | drivers/net/irda/donauboe.c | 2 | ||||
-rw-r--r-- | drivers/net/irda/pxaficp_ir.c | 1 | ||||
-rw-r--r-- | drivers/net/irda/sa1100_ir.c | 2 | ||||
-rw-r--r-- | drivers/net/irda/sir_dev.c | 1 | ||||
-rw-r--r-- | drivers/net/irda/smsc-ircc2.c | 2 | ||||
-rw-r--r-- | drivers/net/irda/vlsi_ir.c | 1 | ||||
-rw-r--r-- | drivers/net/irda/w83977af_ir.c | 2 |
8 files changed, 1 insertions, 11 deletions
diff --git a/drivers/net/irda/au1k_ir.c b/drivers/net/irda/au1k_ir.c index b5cbd39..a3d696a 100644 --- a/drivers/net/irda/au1k_ir.c +++ b/drivers/net/irda/au1k_ir.c @@ -546,7 +546,6 @@ static int au1k_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev) dev_kfree_skb(skb); aup->tx_head = (aup->tx_head + 1) & (NUM_IR_DESC - 1); - dev->trans_start = jiffies; return NETDEV_TX_OK; } diff --git a/drivers/net/irda/donauboe.c b/drivers/net/irda/donauboe.c index b7e6625..48bd5ec 100644 --- a/drivers/net/irda/donauboe.c +++ b/drivers/net/irda/donauboe.c @@ -1002,8 +1002,6 @@ toshoboe_hard_xmit (struct sk_buff *skb, struct net_device *dev) toshoboe_checkstuck (self); - dev->trans_start = jiffies; - /* Check if we need to change the speed */ /* But not now. Wait after transmission if mtt not required */ speed=irda_get_next_speed(skb); diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c index 1a54f6b..c192c31 100644 --- a/drivers/net/irda/pxaficp_ir.c +++ b/drivers/net/irda/pxaficp_ir.c @@ -556,7 +556,6 @@ static int pxa_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev) } dev_kfree_skb(skb); - dev->trans_start = jiffies; return NETDEV_TX_OK; } diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c index 1dcdce0..da27050 100644 --- a/drivers/net/irda/sa1100_ir.c +++ b/drivers/net/irda/sa1100_ir.c @@ -715,8 +715,6 @@ static int sa1100_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev) Ser2HSCR0 = si->hscr0 | HSCR0_HSSP | HSCR0_TXE; } - dev->trans_start = jiffies; - return NETDEV_TX_OK; } diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c index de91cd1..1b051da 100644 --- a/drivers/net/irda/sir_dev.c +++ b/drivers/net/irda/sir_dev.c @@ -655,7 +655,6 @@ static netdev_tx_t sirdev_hard_xmit(struct sk_buff *skb, if (likely(actual > 0)) { dev->tx_skb = skb; - ndev->trans_start = jiffies; dev->tx_buff.data += actual; dev->tx_buff.len -= actual; } diff --git a/drivers/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c index 6af84d8..35e4e44 100644 --- a/drivers/net/irda/smsc-ircc2.c +++ b/drivers/net/irda/smsc-ircc2.c @@ -868,7 +868,7 @@ static void smsc_ircc_timeout(struct net_device *dev) spin_lock_irqsave(&self->lock, flags); smsc_ircc_sir_start(self); smsc_ircc_change_speed(self, self->io.speed); - dev->trans_start = jiffies; + dev->trans_start = jiffies; /* prevent tx timeout */ netif_wake_queue(dev); spin_unlock_irqrestore(&self->lock, flags); } diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index e145052..c3d0738 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -1037,7 +1037,6 @@ static netdev_tx_t vlsi_hard_start_xmit(struct sk_buff *skb, wmb(); outw(0, iobase+VLSI_PIO_PROMPT); } - ndev->trans_start = jiffies; if (ring_put(r) == NULL) { netif_stop_queue(ndev); diff --git a/drivers/net/irda/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c index cb0cb75..1f9c3f08 100644 --- a/drivers/net/irda/w83977af_ir.c +++ b/drivers/net/irda/w83977af_ir.c @@ -515,7 +515,6 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb, /* Check for empty frame */ if (!skb->len) { w83977af_change_speed(self, speed); - dev->trans_start = jiffies; dev_kfree_skb(skb); return NETDEV_TX_OK; } else @@ -549,7 +548,6 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb, switch_bank(iobase, SET0); outb(ICR_ETXTHI, iobase+ICR); } - dev->trans_start = jiffies; dev_kfree_skb(skb); /* Restore set register */ |