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| /openbmc/linux/drivers/net/ethernet/mellanox/mlx5/core/lib/ |
| H A D | clock.c | 2226665b Tue Nov 14 15:58:35 CST 2023 Rahul Rameshbabu <rrameshbabu@nvidia.com> net/mlx5: Decouple PHC .adjtime and .adjphase implementations
[ Upstream commit fd64fd13c49a53012ce9170449dcd9eb71c11284 ]
When running a phase adjustment operation, the free running clock should
not be modified at all. The phase control keyword is intended to trigger an
internal servo on the device that will converge to the provided delta. A
free running counter cannot implement phase adjustment.
Fixes: 8e11a68e2e8a ("net/mlx5: Add adjphase function to support hardware-only offset control")
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20231114215846.5902-5-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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