WARNING: please, no space before tabs
#46: FILE: tools/testing/selftests/drivers/net/hw/toeplitz.c:75:
+#define MIN_PKT_SAMPLES 40 ^I/* minimum number of packets to receive */$

WARNING: Block comments use a trailing */ on a separate line
#57: FILE: tools/testing/selftests/drivers/net/hw/toeplitz.c:257:
+ * or the test times out. */

total: 0 errors, 2 warnings, 0 checks, 42 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 77a775508462 ("selftests: drivers: net: hw: Modify toeplitz.c to poll for packets") 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, 2 warnings, 0 checks, 42 lines checked