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(parent: aa3b388) | patch
mlx5: extend PTP gettime function to read system clock
authorMiroslav Lichvar <mlichvar@redhat.com>
Mon, 3 Dec 2018 12:59:42 +0000 (13:59 +0100)
committerSaeed Mahameed <saeedm@mellanox.com>
Thu, 20 Dec 2018 13:06:00 +0000 (05:06 -0800)
commit6b8d0164648e729e0b138f96d21640de09d29356
tree732560128a19a73aacdab980e52bed3d473a5a34tree | snapshot
parentaa3b388f164275be54ab5b4e1918f476736ce17bcommit | diff
mlx5: extend PTP gettime function to read system clock

Read the system time right before and immediately after reading the low
register of the internal timer. This adds support for the
PTP_SYS_OFFSET_EXTENDED ioctl.

Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c diff | blob | history
drivers/net/ethernet/mellanox/mlx5/core/main.c diff | blob | history
drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h diff | blob | history
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