CHECK: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst #41: FILE: drivers/net/ethernet/intel/e1000e/phy.c:160: + udelay(50); CHECK: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst #50: FILE: drivers/net/ethernet/intel/e1000e/phy.c:184: + udelay(100); CHECK: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst #59: FILE: drivers/net/ethernet/intel/e1000e/phy.c:240: + udelay(50); CHECK: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst #68: FILE: drivers/net/ethernet/intel/e1000e/phy.c:264: + udelay(100); total: 0 errors, 0 warnings, 4 checks, 32 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 fe6bd93002d7 ("e1000e: change usleep_range to udelay in PHY mdic access") 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, 4 checks, 32 lines checked