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net/mlx5: Add helper to initialize 1PPS

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Wrap 1PPS initialization in a helper for a cleaner init flow.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Aya Levin 2021-03-07 12:43:24 +02:00 • committed by Saeed Mahameed
parent b3446acb2b
commit 302522e67c
1 changed files with 17 additions and 8 deletions
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25
drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
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@ -645,16 +645,19 @@ static int mlx5_get_pps_pin_mode(struct mlx5_clock *clock, u8 pin)
return PTP_PF_NONE; return PTP_PF_NONE;
} }
static int mlx5_init_pin_config(struct mlx5_clock *clock) static void mlx5_init_pin_config(struct mlx5_clock *clock)
{ {
int i; int i;
if (!clock->ptp_info.n_pins)
return;
clock->ptp_info.pin_config = clock->ptp_info.pin_config =
kcalloc(clock->ptp_info.n_pins, kcalloc(clock->ptp_info.n_pins,
sizeof(*clock->ptp_info.pin_config), sizeof(*clock->ptp_info.pin_config),
GFP_KERNEL); GFP_KERNEL);
if (!clock->ptp_info.pin_config) if (!clock->ptp_info.pin_config)
return -ENOMEM; return;
clock->ptp_info.enable = mlx5_ptp_enable; clock->ptp_info.enable = mlx5_ptp_enable;
clock->ptp_info.verify = mlx5_ptp_verify; clock->ptp_info.verify = mlx5_ptp_verify;
clock->ptp_info.pps = 1; clock->ptp_info.pps = 1;
@ -667,8 +670,6 @@ static int mlx5_init_pin_config(struct mlx5_clock *clock)
clock->ptp_info.pin_config[i].func = mlx5_get_pps_pin_mode(clock, i); clock->ptp_info.pin_config[i].func = mlx5_get_pps_pin_mode(clock, i);
clock->ptp_info.pin_config[i].chan = 0; clock->ptp_info.pin_config[i].chan = 0;
} }
return 0;
} }
static void mlx5_get_pps_caps(struct mlx5_core_dev *mdev) static void mlx5_get_pps_caps(struct mlx5_core_dev *mdev)
@ -859,6 +860,17 @@ static void mlx5_init_timer_clock(struct mlx5_core_dev *mdev)
} }
} }
static void mlx5_init_pps(struct mlx5_core_dev *mdev)
{
struct mlx5_clock *clock = &mdev->clock;
if (!MLX5_PPS_CAP(mdev))
return;
mlx5_get_pps_caps(mdev);
mlx5_init_pin_config(clock);
}
void mlx5_init_clock(struct mlx5_core_dev *mdev) void mlx5_init_clock(struct mlx5_core_dev *mdev)
{ {
struct mlx5_clock *clock = &mdev->clock; struct mlx5_clock *clock = &mdev->clock;
@ -876,10 +888,7 @@ void mlx5_init_clock(struct mlx5_core_dev *mdev)
clock->ptp_info = mlx5_ptp_clock_info; clock->ptp_info = mlx5_ptp_clock_info;
/* Initialize 1PPS data structures */ /* Initialize 1PPS data structures */
if (MLX5_PPS_CAP(mdev)) mlx5_init_pps(mdev);
mlx5_get_pps_caps(mdev);
if (clock->ptp_info.n_pins)
mlx5_init_pin_config(clock);
clock->ptp = ptp_clock_register(&clock->ptp_info, clock->ptp = ptp_clock_register(&clock->ptp_info,
&mdev->pdev->dev); &mdev->pdev->dev);