WARNING: line length of 82 exceeds 80 columns
#268: FILE: drivers/mfd/zl3073x-i2c.c:21:
+	zldev->regmap = devm_regmap_init_i2c(client, zl3073x_get_regmap_config());

WARNING: struct regmap_config should normally be const
#382: FILE: drivers/mfd/zl3073x.h:7:
+struct regmap_config;

CHECK: struct mutex definition without comment
#415: FILE: include/linux/mfd/zl3073x.h:20:
+	struct mutex		lock;

total: 0 errors, 2 warnings, 1 checks, 312 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 a427f5ff668a ("mfd: Add Microchip ZL3073x 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, 2 warnings, 1 checks, 312 lines checked