On Tue, Dec 31, 2013 at 11:39:40AM -0600, Shawn Bohrer wrote:

From: Shawn Bohrer <redacted>

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 <redacted>
---
 drivers/net/ethernet/mellanox/mlx4/en_clock.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

Acked-by: Richard Cochran <richardcochran@gmail.com>