WARNING: simple_strtoul is obsolete, use kstrtoul instead
#50: FILE: drivers/mfd/zl3073x-core.c:450:
+		addr = simple_strtoul(ptr, &endp, 16);

WARNING: simple_strtoul is obsolete, use kstrtoul instead
#54: FILE: drivers/mfd/zl3073x-core.c:454:
+		val = simple_strtoul(ptr, NULL, 16);

WARNING: simple_strtoul is obsolete, use kstrtoul instead
#68: FILE: drivers/mfd/zl3073x-core.c:468:
+		delay = simple_strtoul(ptr, NULL, 10);

total: 0 errors, 3 warnings, 0 checks, 121 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 1a93d202e3a9 ("mfd: zl3073x: Load mfg file into HW if it is present") 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, 0 checks, 121 lines checked