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/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 @@
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_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 @@
}
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 @@
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 @@
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 @@
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 @@
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 @@
/* 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 @@
switch_bank(iobase, SET0);
outb(ICR_ETXTHI, iobase+ICR);
}
- dev->trans_start = jiffies;
dev_kfree_skb(skb);
/* Restore set register */