CHECK: usleep_range is preferred over udelay; see function description of usleep_range() and udelay().
#123: FILE: drivers/net/ethernet/cadence/macb_main.c:649:
+	udelay(50);

total: 0 errors, 0 warnings, 1 checks, 176 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 9e8265ddc458 ("net: cadence: macb: implement EEE TX LPI support") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 176 lines checked