WARNING: line length of 95 exceeds 80 columns
#52: FILE: tools/testing/selftests/ptp/testptp.c:203:
+	while (EOF != (c = getopt(argc, argv, "cd:e:f:F:ghH:i:k:lL:n:o:p:P:sSt:T:w:x:Xy:z"))) {

CHECK: braces {} should be used on all arms of this statement
#61: FILE: tools/testing/selftests/ptp/testptp.c:284:
+			if (!strcasecmp(optarg, "realtime"))
[...]
+			else if (!strcasecmp(optarg, "monotonic"))
[...]
+			else if (!strcasecmp(optarg, "monotonic-raw"))
[...]
+			else {
[...]

CHECK: Unbalanced braces around else statement
#67: FILE: tools/testing/selftests/ptp/testptp.c:290:
+			else {

WARNING: line length of 92 exceeds 80 columns
#94: FILE: tools/testing/selftests/ptp/testptp.c:597:
+					printf("sample #%2d: real time before: %lld.%09u\n",

WARNING: line length of 97 exceeds 80 columns
#99: FILE: tools/testing/selftests/ptp/testptp.c:602:
+					printf("sample #%2d: monotonic time before: %lld.%09u\n",

WARNING: line length of 101 exceeds 80 columns
#104: FILE: tools/testing/selftests/ptp/testptp.c:607:
+					printf("sample #%2d: monotonic-raw time before: %lld.%09u\n",

WARNING: line length of 90 exceeds 80 columns
#117: FILE: tools/testing/selftests/ptp/testptp.c:618:
+					printf("            real time after: %lld.%09u\n",

WARNING: line length of 95 exceeds 80 columns
#122: FILE: tools/testing/selftests/ptp/testptp.c:623:
+					printf("            monotonic time after: %lld.%09u\n",

WARNING: line length of 99 exceeds 80 columns
#127: FILE: tools/testing/selftests/ptp/testptp.c:628:
+					printf("            monotonic-raw time after: %lld.%09u\n",

total: 0 errors, 7 warnings, 2 checks, 100 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 88b3303d096a ("selftest/ptp: update ptp selftest to exercise the gettimex options") 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, 7 warnings, 2 checks, 100 lines checked