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(parent: 9372b69) | 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)
commit27f5794f562560b4d9aed923674fa67cfdee1755
tree732560128a19a73aacdab980e52bed3d473a5a34tree | snapshot
parent9372b69146d51b8344a896e560937fc518b9865fcommit | 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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