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authorAya Levin <ayal@nvidia.com>2021-03-07 12:43:24 +0200
committerSaeed Mahameed <saeedm@nvidia.com>2021-04-16 11:48:31 -0700
commit302522e67c70c57bd35c2793d419dba457871ca0 (patch)
tree4230f0050aa8c1372cfeb3a4f2cf2ec975721a43 /drivers
parentb3446acb2b9ae6128587cd2d311214950adfb68b (diff)
net/mlx5: Add helper to initialize 1PPS
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
index 1e7f26b240de..ce696d523493 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
@@ -645,16 +645,19 @@ static int mlx5_get_pps_pin_mode(struct mlx5_clock *clock, u8 pin)
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;
+ if (!clock->ptp_info.n_pins)
+ return;
+
clock->ptp_info.pin_config =
kcalloc(clock->ptp_info.n_pins,
sizeof(*clock->ptp_info.pin_config),
GFP_KERNEL);
if (!clock->ptp_info.pin_config)
- return -ENOMEM;
+ return;
clock->ptp_info.enable = mlx5_ptp_enable;
clock->ptp_info.verify = mlx5_ptp_verify;
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].chan = 0;
}
-
- return 0;
}
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)
{
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;
/* Initialize 1PPS data structures */
- if (MLX5_PPS_CAP(mdev))
- mlx5_get_pps_caps(mdev);
- if (clock->ptp_info.n_pins)
- mlx5_init_pin_config(clock);
+ mlx5_init_pps(mdev);
clock->ptp = ptp_clock_register(&clock->ptp_info,
&mdev->pdev->dev);