RE: [Intel-wired-lan] [PATCH net-next v3 2/2] e1000e: fix PTP on e1000_pch_lpt variants

From: Brown, Aaron F
Date: Thu Aug 04 2016 - 15:34:25 EST


> From: Intel-wired-lan [mailto:intel-wired-lan-bounces@xxxxxxxxxxxxxxxx] On
> Behalf Of Jarod Wilson
> Sent: Tuesday, July 26, 2016 11:26 AM
> To: linux-kernel@xxxxxxxxxxxxxxx
> Cc: netdev@xxxxxxxxxxxxxxx; intel-wired-lan@xxxxxxxxxxxxxxxx
> Subject: [Intel-wired-lan] [PATCH net-next v3 2/2] e1000e: fix PTP on
> e1000_pch_lpt variants
>
> I've got reports that the Intel I-218V NIC in Intel NUC5i5RYH systems used
> as a PTP slave experiences random ~10 hour clock jumps, which are resolved
> if the same workaround for the 82574 and 82583 is employed, so set the
> appropriate flag2 in e1000_pch_lpt_info too.
>
> Reported-by: Rupesh Patel <rupatel@xxxxxxxxxx>
> CC: Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>
> CC: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
> CC: intel-wired-lan@xxxxxxxxxxxxxxxx
> CC: netdev@xxxxxxxxxxxxxxx
> Signed-off-by: Jarod Wilson <jarod@xxxxxxxxxx>
> ---
> drivers/net/ethernet/intel/e1000e/ich8lan.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)

Tested-by: Aaron Brown <aaron.f.brown@xxxxxxxxx>