WARNING: line length of 81 exceeds 80 columns
#51: FILE: drivers/net/ethernet/intel/igc/igc_ptp.c:977:
+/* The PTM lock: adapter->ptm_lock must be held when calling igc_ptm_trigger() */

total: 0 errors, 1 warnings, 0 checks, 86 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 ed8c1483e9c8 ("igc: Add lock preventing multiple simultaneous PTM transactions") 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, 1 warnings, 0 checks, 86 lines checked