WARNING: Block comments use * on subsequent lines
#63: FILE: drivers/net/ethernet/renesas/rswitch.c:1689:
+	dma_wmb();	/* ensure that hw won't start and complete before
+			   skb pointer was saved */

WARNING: Block comments use a trailing */ on a separate line
#63: FILE: drivers/net/ethernet/renesas/rswitch.c:1689:
+			   skb pointer was saved */

total: 0 errors, 2 warnings, 0 checks, 43 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 e989435faa7e ("net: renesas: rswitch: fix race window between tx start and complete") 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, 0 checks, 43 lines checked