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Subject[PATCH net-next 2/2] e1000e: fix PTP on e1000_pch_lpt variants
Date
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.

Reported-by: Rupesh Patel <rupatel@redhat.com>
CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
CC: intel-wired-lan@lists.osuosl.org
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
---
drivers/net/ethernet/intel/e1000e/netdev.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 955b294..206bd6a 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -4374,6 +4374,7 @@ static cycle_t e1000e_cyclecounter_read(const struct cyclecounter *cc)
switch (hw->mac.type) {
case e1000_82574:
case e1000_82583:
+ case e1000_pch_lpt:
systim = e1000e_sanitize_systim(hw, systim);
break;
default:
--
1.8.3.1
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