WARNING: line length of 81 exceeds 80 columns #226: FILE: drivers/mfd/nct6694.c:139: +int nct6694_write_msg(struct nct6694 *nct6694, struct nct6694_cmd_header *cmd_hd, WARNING: line length of 81 exceeds 80 columns #433: FILE: drivers/mfd/nct6694.c:346: + ret = mfd_add_hotplug_devices(dev, nct6694_dev, ARRAY_SIZE(nct6694_dev)); CHECK: struct mutex definition without comment #575: FILE: include/linux/mfd/nct6694.h:94: + struct mutex access_lock; CHECK: struct mutex definition without comment #576: FILE: include/linux/mfd/nct6694.h:95: + struct mutex irq_lock; WARNING: line length of 81 exceeds 80 columns #587: FILE: include/linux/mfd/nct6694.h:106: +int nct6694_write_msg(struct nct6694 *nct6694, struct nct6694_cmd_header *cmd_hd, total: 0 errors, 3 warnings, 2 checks, 534 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 ceceab5578ca ("mfd: Add core driver for Nuvoton NCT6694") 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, 3 warnings, 2 checks, 534 lines checked