WARNING: line length of 84 exceeds 80 columns
#197: FILE: drivers/net/ethernet/renesas/rswitch_l3.c:54:
+				       FIELD_PREP(FWPC1_LTHFW_MASK, l3_ports_mask));

WARNING: line length of 85 exceeds 80 columns
#211: FILE: drivers/net/ethernet/renesas/rswitch_l3.c:68:
+				       FIELD_PREP(FWPC1_LTHFW_MASK, all_ports_mask));

WARNING: char * array declaration might be better as static const
#293: FILE: drivers/net/ethernet/renesas/rswitch_l3.c:150:
+	const char *frame_type_name[] = {

WARNING: line length of 84 exceeds 80 columns
#376: FILE: drivers/net/ethernet/renesas/rswitch_l3.c:233:
+static struct rswitch_l23update *rswitch_get_l23update(struct rswitch_private *priv,

WARNING: line length of 91 exceeds 80 columns
#377: FILE: drivers/net/ethernet/renesas/rswitch_l3.c:234:
+						       struct rswitch_l23update_spec *spec)

WARNING: line length of 81 exceeds 80 columns
#725: FILE: drivers/net/ethernet/renesas/rswitch_l3.c:582:
+					     struct list_head *list, __be32 addr,

WARNING: line length of 82 exceeds 80 columns
#990: FILE: drivers/net/ethernet/renesas/rswitch_main.c:204:
+	ret = rswitch_reg_wait(priv->addr, FWL23UTIM, FWL23UTIM_TR, FWL23UTIM_TR);

total: 0 errors, 7 warnings, 0 checks, 1012 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 f339244a7d86 ("net: renesas: rswitch: add simple l3 routing") 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, 7 warnings, 0 checks, 1012 lines checked