doc, net: Remove instruction to set net_device::trans_start
Commit 08baf561083bc27a953aa087dd8a664bb2b88e8e ('net:
txq_trans_update() helper') made it unnecessary for most drivers to
set net_device::trans_start (or netdev_queue::trans_start).
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/Documentation/networking/driver.txt b/Documentation/networking/driver.txt
index 83ce060..2128e41 100644
--- a/Documentation/networking/driver.txt
+++ b/Documentation/networking/driver.txt
@@ -58,13 +58,10 @@
TX_BUFFS_AVAIL(dp) > 0)
netif_wake_queue(dp->dev);
-2) Do not forget to update netdev->trans_start to jiffies after
- each new tx packet is given to the hardware.
-
-3) An ndo_start_xmit method must not modify the shared parts of a
+2) An ndo_start_xmit method must not modify the shared parts of a
cloned SKB.
-4) Do not forget that once you return 0 from your ndo_start_xmit
+3) Do not forget that once you return 0 from your ndo_start_xmit
method, it is your driver's responsibility to free up the SKB
and in some finite amount of time.