CHECK: struct mutex definition without comment
#149: FILE: drivers/watchdog/nct6694_wdt.c:79:
+	struct mutex lock;

total: 0 errors, 0 warnings, 1 checks, 329 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 3ca39d2e05a8 ("watchdog: Add Nuvoton NCT6694 WDT 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, 0 warnings, 1 checks, 329 lines checked