WARNING: line length of 89 exceeds 80 columns
#47: FILE: drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c:166:
+	err = mlx5_core_access_reg(dev, in, sizeof(in), out, sizeof(out), MLX5_REG_MTPTM,

WARNING: line length of 90 exceeds 80 columns
#74: FILE: drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c:193:
+	err = mlx5_core_access_reg(mdev, in, sizeof(in), out, sizeof(out), MLX5_REG_MTCTR,

WARNING: line length of 92 exceeds 80 columns
#88: FILE: drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c:207:
+		*device_time = ns_to_ktime(REAL_TIME_TO_NS(device >> 32, device & U32_MAX));

WARNING: line length of 82 exceeds 80 columns
#98: FILE: drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c:217:
+	struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, ptp_info);

total: 0 errors, 4 warnings, 0 checks, 106 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 63ada42be97f ("net/mlx5: Implement PTM cross timestamping support") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 4 warnings, 0 checks, 106 lines checked