summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/mellanox/mlx4/en_clock.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/net/ethernet/mellanox/mlx4/en_clock.c
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_clock.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_clock.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
index 8a083d73e..038f9ce39 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
@@ -242,6 +242,13 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
unsigned long flags;
u64 ns, zero = 0;
+ /* mlx4_en_init_timestamp is called for each netdev.
+ * mdev->ptp_clock is common for all ports, skip initialization if
+ * was done for other port.
+ */
+ if (mdev->ptp_clock)
+ return;
+
rwlock_init(&mdev->clock_lock);
memset(&mdev->cycles, 0, sizeof(mdev->cycles));