tree ee54f3bc45192eac61f4c194756405e46a942638
parent ad7d4eaed995d76fb24a18e202fdf5072197ff0a
author Shawn Bohrer <sbohrer@rgmadvisors.com> 1388511580 -0600
committer David S. Miller <davem@davemloft.net> 1388651436 -0500

mlx4_en: Only cycle port if HW timestamp config changes

If the hwtstamp_config matches what is currently set for the device then
simply return.  Without this change any program that tries to enable
hardware timestamps will cause the link to cycle even if hardware
timstamps were already enabled.

Signed-off-by: Shawn Bohrer <sbohrer@rgmadvisors.com>
Acked-By: Hadar Hen Zion <hadarh@mellanox.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>